:root {
    --ink: #17384b;
    --muted: #647b8b;
    --primary: #3088ca;
    --primary-dark: #17679f;
    --accent: #5ec7e8;
    --accent-blue: #78b7e8;
    --pink: #ff94aa;
    --surface: #ffffff;
    --tint: #eef7fd;
    --dark: #082f4a;
    --line: rgba(23, 56, 75, .12);
    --shadow: 0 24px 70px rgba(24, 93, 139, .14);
    --radius-xl: 8px;
    --radius-lg: 6px;
    --radius-md: 4px;
    --container: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--surface);
    font-family: "Lato", "Segoe UI", Arial, sans-serif;
    font-weight: 400;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

    body.custom-modal-open {
        overflow: hidden;
    }

button,
input,
select,
textarea {
    font: inherit;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

button, input, select {
    font: inherit;
}

button {
    cursor: pointer;
}

.container {
    width: min(var(--container), calc(100% - 40px));
    margin-inline: auto;
}

.section {
    position: relative;
    padding: 110px 0;
}

.section-light {
    background: #fff;
}

.section-tint {
    background: var(--tint);
}

.section-dark {
    background: var(--dark);
    color: #fff;
    overflow: hidden;
}

    .section-dark::before {
        content: "";
        position: absolute;
        width: 480px;
        height: 480px;
        border-radius: 50%;
        background: rgba(94,199,232,.12);
        filter: blur(12px);
        left: -180px;
        top: -160px;
    }

    .section-dark::after {
        content: "";
        position: absolute;
        width: 420px;
        height: 420px;
        border-radius: 50%;
        background: rgba(120,183,232,.11);
        right: -160px;
        bottom: -160px;
    }

.section > .container {
    position: relative;
    z-index: 1;
}

.page-loader {
    position: fixed;
    inset: 0;
    display: grid;
    place-content: center;
    gap: 18px;
    text-align: center;
    background: #f5faff;
    z-index: 9999;
    transition: opacity .45s ease, visibility .45s ease;
}

    .page-loader.hidden {
        opacity: 0;
        visibility: hidden;
    }

    .page-loader p {
        margin: 0;
        color: var(--muted);
        font-size: 14px;
    }

.loader-mark {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 7px;
    height: 52px;
}

    .loader-mark span {
        width: 12px;
        border-radius: 999px;
        background: linear-gradient(180deg, var(--accent), var(--primary));
        animation: pulsebars .9s ease-in-out infinite alternate;
    }

        .loader-mark span:nth-child(1) {
            height: 24px;
        }

        .loader-mark span:nth-child(2) {
            height: 48px;
            animation-delay: .15s;
        }

        .loader-mark span:nth-child(3) {
            height: 34px;
            animation-delay: .3s;
        }

@keyframes pulsebars {
    to {
        transform: translateY(-8px);
        opacity: .55;
    }
}

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    color: #fff;
    transition: background .25s ease, box-shadow .25s ease, color .25s ease;
}

    .site-header .logo1 {
        display: none;
    }

    .site-header .logo2 {
        display: block;
    }


    .site-header.scrolled {
        color: var(--ink);
        background: rgba(255,255,255,.93);
        box-shadow: 0 12px 40px rgba(8,47,74,.1);
        backdrop-filter: blur(18px);
    }

        .site-header.scrolled .logo1 {
            display: block !important;
        }

        .site-header.scrolled .logo2 {
            display: none !important;
        }


        .nav-wrap {
            min-height: 84px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            min-width: 230px;
        }

            .brand img {
                height: 48px;
            }

            .brand span {
                display: flex;
                flex-direction: column;
                line-height: 1.2;
                max-width: 250px;
            }

            .brand strong {
                letter-spacing: .07em;
                font-size: 14px;
            }

            .brand small {
                opacity: .72;
                font-size: 11px;
                margin-top: 4px;
            }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            font-weight: 650;
            font-size: 14px;
        }

            .main-nav > a:not(.nav-cta) {
                position: relative;
                padding: 29px 0;
            }

                .main-nav > a:not(.nav-cta)::after {
                    content: "";
                    position: absolute;
                    height: 2px;
                    left: 0;
                    right: 100%;
                    bottom: 22px;
                    background: var(--accent);
                    transition: right .25s ease;
                }

            .main-nav > a:hover::after {
                right: 0;
            }

        .nav-cta {
            padding: 12px 18px;
            border: 1px solid rgba(255,255,255,.32);
            border-radius: 999px;
        }

        .scrolled .nav-cta {
            border-color: var(--line);
            background: var(--primary);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid rgba(255,255,255,.25);
            background: transparent;
            padding: 10px;
        }

            .nav-toggle span {
                display: block;
                height: 2px;
                margin: 5px 0;
                background: currentColor;
                transition: .25s;
            }

        .hero {
            position: relative;
            min-height: 100vh;
            overflow: hidden;
            color: #fff;
            background: linear-gradient( 135deg, #06283f 0%, #0b456b 48%, #176b99 100% );
            padding: 145px 0 46px;
        }

        .hero-grid {
            position: absolute;
            inset: 0;
            opacity: .12;
            background-image: linear-gradient(rgba(255,255,255,.16) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.16) 1px, transparent 1px);
            background-size: 60px 60px;
            mask-image: linear-gradient(to bottom, black, transparent 85%);
        }

        .hero-orb {
            position: absolute;
            border-radius: 50%;
            filter: blur(4px);
        }

        .hero-orb-one {
            width: 460px;
            height: 460px;
            right: -120px;
            top: -70px;
            background: rgba(94, 199, 232, .09);
        }

        .hero-orb-two {
            width: 390px;
            height: 390px;
            left: -170px;
            bottom: 70px;
            background: rgba(120, 183, 232, .08);
        }

        .hero-layout {
            position: relative;
            display: grid;
            grid-template-columns: 1.22fr .78fr;
            gap: 70px;
            align-items: center;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border: 1px solid rgba(255,255,255,.2);
            border-radius: 999px;
            background: rgba(255,255,255,.08);
            font-size: 13px;
            letter-spacing: .02em;
            margin-bottom: 20px;
        }

            .eyebrow span {
                width: 8px;
                height: 8px;
                border-radius: 50%;
                background: var(--accent);
                box-shadow: 0 0 0 6px rgba(94,199,232,.12);
            }

        h2 {
            margin: 0;
            font-family: "Lato", "Segoe UI", Arial, sans-serif;
            font-size: clamp(34px, 4vw, 52px);
            font-weight: 300;
            line-height: 1.12;
            letter-spacing: -.02em;
        }

        .hero h1 em {
            color: #d7f2ff;
            font-style: normal;
        }

        .hero-subtitle {
            max-width: 690px;
            margin: 0 0 30px;
            color: rgba(255,255,255,.78);
            font-size: 18px;
        }

        .hero-meta {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 28px;
        }

        .meta-card {
            min-height: 78px;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 15px;
            border: 1px solid rgba(255,255,255,.14);
            background: rgba(255,255,255,.07);
            border-radius: 18px;
            backdrop-filter: blur(8px);
        }

            .meta-card svg {
                width: 25px;
                height: 25px;
                fill: none;
                stroke: #d7f2ff;
                stroke-width: 1.7;
                flex: 0 0 auto;
            }

            .meta-card span {
                display: flex;
                flex-direction: column;
            }

            .meta-card strong {
                font-size: 14px;
            }

            .meta-card small {
                color: rgba(255,255,255,.62);
                font-size: 11px;
                margin-top: 3px;
            }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 52px;
            padding: 13px 24px;
            border: 0;
            border-radius: 14px;
            font-weight: 750;
            transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
        }

            .btn:hover {
                transform: translateY(-2px);
            }

        .btn-primary {
            color: #0b3552;
            background: linear-gradient(135deg, #d7f2ff, #85d5f2);
            box-shadow: 0 15px 35px rgba(94,199,232,.22);
        }

        .btn-secondary {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 14px 30px rgba(48,136,202,.18);
        }

        .btn-ghost {
            color: #fff;
            border: 1px solid rgba(255,255,255,.26);
            background: rgba(255,255,255,.07);
        }

        .btn-full {
            width: 100%;
        }

        .hero-panel {
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, .17);
            border-radius: 30px;
            background: rgba(5, 40, 64, .54);
            backdrop-filter: blur(18px);
            box-shadow: 0 40px 90px rgba(0, 20, 35, .30);
        }

        .hero-illustration {
            position: relative;
            display: grid;
            place-items: center;
            height: 430px;
            padding: 34px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, .48);
            border-radius: 22px;
            background: linear-gradient( 145deg, #d6e8f2 0%, #bdd8e7 100% );
            box-shadow: inset 0 0 0 1px rgba(48, 136, 202, .06), 0 20px 50px rgba(0, 28, 47, .16);
        }

            .hero-illustration img {
                display: block;
                width: min(88%, 430px);
                max-width: 100%;
                max-height: 100%;
                object-fit: contain;
                opacity: 1;
                filter: drop-shadow(0 1px 0 rgba(6, 40, 63, .18)) drop-shadow(0 18px 28px rgba(7, 61, 98, .17));
            }

        @media (max-width: 600px) {
            .hero-illustration {
                height: 290px;
                padding: 24px;
            }

                .hero-illustration img {
                    width: min(88%, 290px);
                }
        }

        .countdown-label {
            margin: 18px 0 10px;
            text-align: center;
            color: rgba(255,255,255,.63);
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: .13em;
        }

        .countdown {
            display: grid;
            grid-template-columns: repeat(4,1fr);
            gap: 7px;
        }

            .countdown > div {
                padding: 10px 5px;
                border-radius: 14px;
                text-align: center;
                background: rgba(5,39,61,.35);
            }

            .countdown strong {
                display: block;
                font-size: 26px;
                line-height: 1;
            }

            .countdown span {
                color: rgba(255,255,255,.57);
                font-size: 10px;
            }

        .capacity-note {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 15px;
            color: rgba(255,255,255,.73);
            font-size: 12px;
        }

            .capacity-note span {
                width: 8px;
                height: 8px;
                border-radius: 50%;
                background: #ffbf69;
                box-shadow: 0 0 0 5px rgba(255,191,105,.12);
            }

        .hero-partners {
            position: relative;
            margin-top: 52px;
        }

            .hero-partners > p {
                margin: 0 0 14px;
                color: rgba(255,255,255,.48);
                text-transform: uppercase;
                font-size: 11px;
                letter-spacing: .14em;
            }

.partner-row {
    display: grid;
    grid-template-columns: repeat(4, 140px);
    justify-content: center;
    gap: 9px;
    margin: 0 auto 20px auto;
}

    .partner-row img {
        width: 100%;
        height: 100px;
        padding: 10px;
        object-fit: contain;
        border: 1px solid rgba(255, 255, 255, .10);
        border-radius: 14px;
        background: #fff;
    }

        .section-kicker {
            display: inline-block;
            margin-bottom: 16px;
            color: var(--primary);
            font-size: 18px;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: .16em;
        }

        .section-dark .section-kicker {
            color: #8ed9f4;
        }

        h2 {
            margin-bottom: 30px;
            font-size: clamp(34px, 4vw, 52px);
            line-height: 1.08;
            letter-spacing: -.035em;
        }

        .section-heading > p, .center-heading > p, .section-title-row > p {
            color: var(--muted);
            font-size: 17px;
        }

        .split-layout {
            display: grid;
            grid-template-columns: .92fr 1.08fr;
            gap: 70px;
            align-items: start;
        }

        .section-heading > p {
            max-width: 600px;
            margin: 24px 0 32px;
        }

        .stat-row {
            display: grid;
            grid-template-columns: repeat(3,1fr);
            gap: 12px;
        }

            .stat-row > div {
                padding: 18px;
                border: 1px solid var(--line);
                border-radius: 18px;
                background: #fff;
            }

            .stat-row strong {
                display: block;
                color: var(--primary);
                font-size: 32px;
                line-height: 1;
            }

            .stat-row span {
                color: var(--muted);
                font-size: 12px;
            }

        .topics-card {
            padding: 32px;
            border-radius: var(--radius-xl);
            background: var(--dark);
            color: #fff;
            box-shadow: var(--shadow);
        }

            .topics-card h3 {
                margin: 0 0 20px;
                font-size: 24px;
            }

        .topic-list {
            display: grid;
            gap: 10px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

            .topic-list li {
                display: flex;
                align-items: center;
                gap: 14px;
                padding: 13px 0;
                border-bottom: 1px solid rgba(255,255,255,.1);
                color: rgba(255,255,255,.78);
            }

                .topic-list li:last-child {
                    border-bottom: 0;
                }

            .topic-list span {
                display: grid;
                place-items: center;
                min-width: 38px;
                height: 38px;
                border-radius: 12px;
                background: rgba(94,199,232,.14);
                color: #bde9fb;
                font-size: 12px;
                font-weight: 800;
            }

        .section-title-row {
            display: grid;
            grid-template-columns: 1.25fr .75fr;
            gap: 70px;
            align-items: end;
            margin-bottom: 44px;
        }

            .section-title-row > p {
                margin: 0;
            }

            .section-title-row.light > p {
                color: rgba(255,255,255,.62);
            }
        /* =========================
   Организационный комитет
   ========================= */

        .committee-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 20px;
        }

        .person-card {
            position: relative;
            display: grid;
            grid-template-columns: 138px minmax(0, 1fr);
            gap: 24px;
            align-items: center;
            min-height: 190px;
            padding: 20px;
            overflow: hidden;
            border: 1px solid rgba(23, 56, 75, .09);
            border-radius: 24px;
            background: rgba(255, 255, 255, .88);
            box-shadow: 0 16px 45px rgba(24, 93, 139, .08);
            transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
        }

            .person-card::before {
                content: "";
                position: absolute;
                top: -70px;
                right: -70px;
                width: 160px;
                height: 160px;
                border-radius: 50%;
                background: rgba(48, 136, 202, .07);
                pointer-events: none;
            }

            .person-card:hover {
                transform: translateY(-5px);
                border-color: rgba(48, 136, 202, .24);
                box-shadow: 0 24px 60px rgba(24, 93, 139, .14);
            }
            /* Если количество карточек нечётное,
   последняя карточка располагается по центру */
            .person-card:last-child:nth-child(odd) {
                grid-column: 1 / -1;
                width: calc(50% - 10px);
                justify-self: center;
            }

        .person-photo {
            position: relative;
            width: 138px;
            height: 158px;
            overflow: hidden;
            border-radius: 19px;
            background: linear-gradient( 145deg, var(--primary-dark), var(--primary) );
            box-shadow: 0 14px 30px rgba(23, 103, 159, .18);
        }

            .person-photo::after {
                content: "";
                position: absolute;
                inset: 0;
                border: 1px solid rgba(255, 255, 255, .16);
                border-radius: inherit;
                pointer-events: none;
            }

            .person-photo img {
                width: 100%;
                height: 100%;
                display: block;
                object-fit: cover;
                object-position: center top;
                transition: transform .5s ease;
            }

        .person-card:hover .person-photo img {
            transform: scale(1.045);
        }

        .person-body {
            position: relative;
            z-index: 1;
            min-width: 0;
        }

            .person-body h3 {
                margin: 0 0 11px;
                color: var(--ink);
                font-size: 21px;
                font-weight: 750;
                line-height: 1.22;
                letter-spacing: -.02em;
            }

        .person-title {
            color: var(--muted);
            font-size: 13px;
            line-height: 1.65;
        }

            .person-title p {
                margin: 0 0 7px;
            }

                .person-title p:last-child {
                    margin-bottom: 0;
                }

            .person-title strong,
            .person-title b {
                color: var(--primary-dark);
                font-weight: 700;
            }

            .person-title a {
                color: var(--primary);
                text-decoration: underline;
                text-decoration-color: rgba(48, 136, 202, .3);
                text-underline-offset: 3px;
            }

            .person-title ul,
            .person-title ol {
                margin: 8px 0 0;
                padding-left: 19px;
            }

            .person-title li {
                margin-bottom: 4px;
            }

        @media (max-width: 860px) {
            .committee-grid {
                grid-template-columns: 1fr;
            }

            .person-card:last-child:nth-child(odd) {
                grid-column: auto;
                width: 100%;
            }
        }

        @media (max-width: 600px) {
            .committee-grid {
                gap: 15px;
            }

            .person-card {
                grid-template-columns: 96px minmax(0, 1fr);
                gap: 17px;
                min-height: 142px;
                padding: 16px;
                border-radius: 20px;
            }

            .person-photo {
                width: 96px;
                height: 116px;
                border-radius: 15px;
            }

            .person-body h3 {
                margin-bottom: 8px;
                font-size: 17px;
            }

            .person-title {
                font-size: 12px;
                line-height: 1.5;
            }
        }
        /* =========================
   Международные лекторы
   ========================= */

        .speaker-grid {
            display: grid;
            grid-template-columns: repeat(1, minmax(0, 1fr));
            gap: 24px;
        }

        .speaker-card {
            position: relative;
            display: grid;
            grid-template-columns: 310px minmax(0, 1fr);
            min-height: 330px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 26px;
            background: rgba(255, 255, 255, .07);
            box-shadow: 0 22px 60px rgba(0, 0, 0, .16);
            backdrop-filter: blur(14px);
            transition: transform .3s ease, border-color .3s ease, background .3s ease, box-shadow .3s ease;
        }

            .speaker-card:hover {
                transform: translateY(-6px);
                border-color: rgba(94, 199, 232, .35);
                background: rgba(255, 255, 255, .095);
                box-shadow: 0 30px 75px rgba(0, 0, 0, .24);
            }

        .speaker-photo {
            position: relative;
            min-height: 100%;
            overflow: hidden;
            background: linear-gradient( 145deg, var(--primary-dark), var(--primary) );
        }

            .speaker-photo img {
                width: 100%;
                height: 100%;
                min-height: 330px;
                object-fit: cover;
                object-position: center top;
                transition: transform .55s ease, filter .55s ease;
            }

        .speaker-card:hover .speaker-photo img {
            transform: scale(1.045);
        }

        .speaker-photo::after {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background: linear-gradient( to top, rgba(8, 47, 74, .88) 0%, rgba(8, 47, 74, .18) 42%, transparent 70% );
        }

        .speaker-photo span {
            position: absolute;
            z-index: 2;
            left: 16px;
            right: 16px;
            bottom: 16px;
            display: inline-flex;
            align-items: center;
            width: fit-content;
            max-width: calc(100% - 32px);
            padding: 7px 11px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: 999px;
            color: #fff;
            background: rgba(8, 47, 74, .56);
            font-size: 11px;
            font-weight: 650;
            line-height: 1.35;
            text-overflow: ellipsis;
            white-space: nowrap;
            backdrop-filter: blur(10px);
        }

            .speaker-photo span::before {
                content: "";
                width: 7px;
                height: 7px;
                margin-right: 7px;
                flex: 0 0 auto;
                border-radius: 50%;
                background: var(--accent);
                box-shadow: 0 0 0 4px rgba(94, 199, 232, .14);
            }

        .speaker-body {
            display: flex;
            flex-direction: column;
            justify-content: start;
            min-width: 0;
            padding: 30px;
        }

            .speaker-body h3 {
                margin: 0 0 12px;
                color: #fff;
                font-size: clamp(22px, 2vw, 28px);
                font-weight: 750;
                line-height: 1.15;
                letter-spacing: -.025em;
            }

        .speaker-role {
            margin: 0 0 18px;
            padding-bottom: 18px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
            color: var(--accent);
            font-size: 13px;
            font-weight: 650;
            line-height: 1.55;
        }

        .speaker-body > p:not(.speaker-role),
        .speaker-body > div,
        .speaker-body > ul,
        .speaker-body > ol {
            margin-top: 0;
            margin-bottom: 14px;
            color: rgba(255, 255, 255, .66);
            font-size: 13px;
            line-height: 1.65;
        }

        .speaker-body ul,
        .speaker-body ol {
            padding-left: 20px;
        }

        .speaker-body li {
            margin-bottom: 6px;
        }

        .speaker-body a {
            color: var(--accent);
            text-decoration: underline;
            text-decoration-color: rgba(94, 199, 232, .35);
            text-underline-offset: 3px;
        }

            .speaker-body a:hover {
                text-decoration-color: currentColor;
            }

        .speaker-body > :last-child {
            margin-bottom: 0;
        }

        @media (max-width: 1050px) {
            .speaker-card {
                grid-template-columns: 175px minmax(0, 1fr);
            }

            .speaker-photo img {
                min-height: 350px;
            }

            .speaker-body {
                padding: 24px;
            }
        }

        @media (max-width: 860px) {
            .speaker-grid {
                grid-template-columns: 1fr;
            }

            .speaker-card {
                grid-template-columns: 230px minmax(0, 1fr);
                min-height: 340px;
            }

            .speaker-photo img {
                min-height: 340px;
            }
        }

        @media (max-width: 600px) {
            .speaker-grid {
                gap: 18px;
            }

            .speaker-card {
                display: block;
                min-height: auto;
                border-radius: 22px;
            }

            .speaker-photo {
                height: 320px;
                min-height: 0;
            }

                .speaker-photo img {
                    height: 100%;
                    min-height: 0;
                }

            .speaker-body {
                padding: 24px 20px;
            }

                .speaker-body h3 {
                    font-size: 23px;
                }

            .speaker-role {
                margin-bottom: 15px;
                padding-bottom: 15px;
            }
        }

        .center-heading {
            max-width: 760px;
            margin: 0 auto 46px;
            text-align: center;
        }

            .center-heading > p {
                margin: 18px auto 0;
            }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(2,1fr);
            gap: 24px;
            max-width: 940px;
            margin: auto;
        }

        .pricing-card {
            position: relative;
            padding: 34px;
            border: 1px solid var(--line);
            border-radius: var(--radius-xl);
            background: #fff;
            box-shadow: 0 18px 55px rgba(24,93,139,.08);
        }

            .pricing-card.featured {
                border-color: rgba(48,136,202,.28);
                box-shadow: 0 24px 70px rgba(24,93,139,.13);
            }

        .pricing-badge {
            display: inline-flex;
            padding: 7px 11px;
            border-radius: 999px;
            background: rgba(94,199,232,.18);
            color: var(--primary-dark);
            font-size: 11px;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: .08em;
        }

            .pricing-badge.muted {
                background: rgba(120,183,232,.13);
                color: #3f78ad;
            }

        .pricing-card h3 {
            margin: 18px 0 6px;
            font-size: 28px;
        }

        .price {
            display: flex;
            flex-direction: column;
            padding-bottom: 22px;
            border-bottom: 1px solid var(--line);
        }

            .price strong {
                font-size: 34px;
                line-height: 1.2;
            }

            .price span {
                color: var(--muted);
                font-size: 12px;
            }

        .pricing-card ul {
            display: grid;
            gap: 11px;
            margin: 24px 0 28px;
            padding: 0;
            list-style: none;
        }

        .pricing-card li {
            position: relative;
            padding-left: 28px;
            color: var(--muted);
        }

            .pricing-card li::before {
                content: "✓";
                position: absolute;
                left: 0;
                top: 1px;
                display: grid;
                place-items: center;
                width: 19px;
                height: 19px;
                border-radius: 50%;
                background: rgba(94,199,232,.19);
                color: var(--primary);
                font-size: 11px;
                font-weight: 900;
            }

        .registration-layout {
            display: grid;
            grid-template-columns: .78fr 1.22fr;
            gap: 54px;
            align-items: start;
        }

        .registration-copy {
            position: sticky;
            top: 120px;
        }

            .registration-copy > p {
                color: var(--muted);
                font-size: 16px;
            }

        .notice-card {
            display: flex;
            gap: 14px;
            margin-top: 28px;
            padding: 18px;
            border: 1px solid rgba(48,136,202,.15);
            border-radius: 18px;
            background: rgba(255,255,255,.7);
        }

            .notice-card svg {
                width: 24px;
                height: 24px;
                flex: 0 0 auto;
                fill: none;
                stroke: var(--primary);
                stroke-width: 1.7;
            }

            .notice-card strong {
                display: block;
            }

            .notice-card p {
                margin: 4px 0 0;
                color: var(--muted);
                font-size: 12px;
            }

        .payment-mini {
            margin-top: 16px;
            padding: 18px;
            border-radius: 18px;
            color: #fff;
            background: var(--dark);
        }

            .payment-mini span {
                display: block;
                color: #8ed9f4;
                font-size: 11px;
                text-transform: uppercase;
                letter-spacing: .1em;
            }

            .payment-mini strong {
                display: block;
                margin-top: 6px;
                font-size: 14px;
            }

        .registration-form {
            position: relative;
            padding: 36px;
            border-radius: var(--radius-xl);
            background: #fff;
            box-shadow: var(--shadow);
        }

        .form-progress {
            position: absolute;
            inset: 0 0 auto;
            height: 5px;
            overflow: hidden;
            border-radius: 32px 32px 0 0;
            background: #e5eef5;
        }

            .form-progress span {
                display: block;
                height: 100%;
                background: linear-gradient(90deg,var(--primary),var(--accent));
                transition: width .25s ease;
            }

        .form-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            margin-bottom: 28px;
        }

            .form-head small {
                color: var(--primary);
                font-weight: 750;
            }

            .form-head h3 {
                margin: 2px 0 0;
                font-size: 28px;
            }

        .secure-pill {
            padding: 7px 10px;
            border-radius: 999px;
            background: var(--tint);
            color: var(--primary-dark);
            font-size: 10px;
            font-weight: 750;
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(2,1fr);
            gap: 16px;
        }

        .field {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }

        .field-wide {
            grid-column: 1 / -1;
        }

        .field > span, .participation-choice legend {
            color: #405a6a;
            font-size: 12px;
            font-weight: 750;
        }

        .field input, .field select {
            width: 100%;
            min-height: 49px;
            padding: 11px 13px;
            border: 1px solid #d7e5ee;
            border-radius: 12px;
            background: #fbfdff;
            color: var(--ink);
            outline: 0;
            transition: border .2s, box-shadow .2s, background .2s;
        }

            .field input:focus, .field select:focus {
                border-color: var(--primary);
                box-shadow: 0 0 0 4px rgba(48,136,202,.10);
                background: #fff;
            }

        .field.invalid input, .field.invalid select {
            border-color: #d84d63;
            box-shadow: 0 0 0 4px rgba(216,77,99,.08);
        }

        .participation-choice {
            display: grid;
            grid-template-columns: repeat(2,1fr);
            gap: 12px;
            margin: 24px 0 18px;
            padding: 0;
            border: 0;
        }

            .participation-choice legend {
                grid-column: 1 / -1;
                margin-bottom: 6px;
            }

        .choice-card {
            position: relative;
            cursor: pointer;
        }

            .choice-card input {
                position: absolute;
                opacity: 0;
                pointer-events: none;
            }

            .choice-card span {
                display: flex;
                flex-direction: column;
                min-height: 76px;
                justify-content: center;
                padding: 14px 16px;
                border: 1px solid #d7e5ee;
                border-radius: 15px;
                background: #fbfdff;
                transition: .2s;
            }

            .choice-card strong {
                font-size: 15px;
            }

            .choice-card small {
                color: var(--muted);
                font-size: 11px;
            }

            .choice-card input:checked + span {
                border-color: var(--primary);
                background: rgba(48,136,202,.06);
                box-shadow: 0 0 0 4px rgba(48,136,202,.08);
            }

        .consent {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin: 0 0 18px;
            color: var(--muted);
            font-size: 12px;
            cursor: pointer;
        }

            .consent input {
                margin-top: 3px;
                accent-color: var(--primary);
            }

        .form-error {
            min-height: 20px;
            margin: 0 0 10px;
            color: #c83d54;
            font-size: 12px;
        }

        .submit-btn.loading {
            pointer-events: none;
            opacity: .8;
        }

        .submit-btn i {
            display: none;
            width: 18px;
            height: 18px;
            margin-left: 10px;
            border: 2px solid rgba(11,53,82,.25);
            border-top-color: #0b3552;
            border-radius: 50%;
            animation: spin .7s linear infinite;
        }

        .submit-btn.loading i {
            display: block;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }

        .stream-section {
            padding-block: 100px;
        }

        .stream-layout {
            display: grid;
            grid-template-columns: .75fr 1.25fr;
            gap: 60px;
            align-items: center;
        }

            .stream-layout p {
                color: rgba(255,255,255,.62);
            }

        .stream-info {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 24px;
            color: #fff;
            font-size: 13px;
        }

        .live-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #ff6078;
            box-shadow: 0 0 0 7px rgba(255,96,120,.12);
        }

        .video-placeholder {
            aspect-ratio: 16/9;
            display: grid;
            place-items: center;
            align-content: center;
            text-align: center;
            border: 1px solid rgba(255,255,255,.13);
            border-radius: 28px;
            background: radial-gradient(circle at 50% 40%, rgba(94,199,232,.16), transparent 50%), rgba(255,255,255,.06);
            box-shadow: 0 30px 80px rgba(0,0,0,.22);
        }

        .play-button {
            display: grid;
            place-items: center;
            width: 74px;
            height: 74px;
            margin-bottom: 18px;
            border-radius: 50%;
            background: #fff;
            box-shadow: 0 16px 40px rgba(0,0,0,.22);
        }

            .play-button span {
                margin-left: 5px;
                width: 0;
                height: 0;
                border-top: 10px solid transparent;
                border-bottom: 10px solid transparent;
                border-left: 16px solid var(--primary);
            }

        .video-placeholder strong {
            font-size: 22px;
        }

        .video-placeholder small {
            color: rgba(255,255,255,.55);
        }
        /* =========================
   Спонсоры и партнёры
   ========================= */

        .sponsors-heading {
            margin-top: 82px;
        }

        .sponsor-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 18px;
            align-items: stretch;
        }

        .sponsor-grid-general {
            grid-template-columns: minmax(300px, 480px);
            justify-content: center;
        }

        .sponsor-card {
            position: relative;
            display: grid;
            place-items: center;
            min-width: 0;
            min-height: 166px;
            padding: 26px;
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: 22px;
            background: var(--surface);
            box-shadow: 0 14px 42px rgba(24, 93, 139, .07);
            transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
        }

            .sponsor-card::before {
                content: "";
                position: absolute;
                top: -80px;
                right: -80px;
                width: 170px;
                height: 170px;
                border-radius: 50%;
                background: rgba(48, 136, 202, .045);
                pointer-events: none;
            }

            .sponsor-card:hover {
                transform: translateY(-5px);
                border-color: rgba(48, 136, 202, .22);
                box-shadow: 0 22px 58px rgba(24, 93, 139, .13);
            }

        .sponsor-card-general {
            min-height: 220px;
            padding: 38px 52px;
            border-color: rgba(48, 136, 202, .18);
            box-shadow: 0 22px 65px rgba(24, 93, 139, .11);
        }

        .sponsor-logo {
            position: relative;
            z-index: 1;
            display: grid;
            place-items: center;
            width: 100%;
            height: 94px;
        }

        .sponsor-card-general .sponsor-logo {
            height: 120px;
        }

        .sponsor-logo img {
            display: block;
            width: auto;
            height: auto;
            object-fit: contain;
            object-position: center;
            transition: transform .35s ease, filter .35s ease;
        }

        .sponsor-card:hover .sponsor-logo img {
            transform: scale(1.035);
        }
        /*
   Обычный горизонтальный логотип.
   Ограничиваем прежде всего по высоте,
   чтобы он не выглядел слишком маленьким.
*/
        .logo-wide .sponsor-logo img {
            max-width: 88%;
            max-height: 58px;
        }

        .sponsor-card-general.logo-wide .sponsor-logo img {
            max-width: 86%;
            max-height: 82px;
        }
        /*
   Квадратный или почти квадратный логотип.
   Он получает меньший размер, чтобы визуально
   не доминировать над горизонтальными логотипами.
*/
        .logo-square .sponsor-logo img {
            max-width: 140px;
            max-height: 140px;
        }

        .sponsor-card-general.logo-square .sponsor-logo img {
            max-width: 150px;
            max-height: 150px;
        }
        /*
   Вертикальный логотип.
*/
        .logo-tall .sponsor-logo img {
            max-width: 64px;
            max-height: 78px;
        }

        .sponsor-card-general.logo-tall .sponsor-logo img {
            max-width: 82px;
            max-height: 100px;
        }
        /*
   Для файлов, внутри которых много пустого
   прозрачного пространства.
*/
        .logo-compact .sponsor-logo img {
            max-width: 96%;
            max-height: 72px;
        }

        .sponsor-card-general.logo-compact .sponsor-logo img {
            max-width: 94%;
            max-height: 96px;
        }

        @media (max-width: 1050px) {
            .sponsor-grid {
                grid-template-columns: repeat(3, minmax(0, 1fr));
            }
        }

        @media (max-width: 860px) {
            .sponsor-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .sponsor-grid-general {
                grid-template-columns: minmax(280px, 440px);
            }

            .sponsors-heading {
                margin-top: 68px;
            }
        }

        @media (max-width: 600px) {
            .sponsor-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 12px;
            }

            .sponsor-grid-general {
                grid-template-columns: 1fr;
            }

            .sponsor-card {
                min-height: 126px;
                padding: 18px;
                border-radius: 18px;
            }

            .sponsor-card-general {
                min-height: 170px;
                padding: 26px;
            }

            .sponsor-logo {
                height: 72px;
            }

            .sponsor-card-general .sponsor-logo {
                height: 96px;
            }

            .logo-wide .sponsor-logo img {
                max-width: 92%;
                max-height: 46px;
            }

            .logo-square .sponsor-logo img {
                max-width: 78px;
                max-height: 78px;
            }

            .logo-tall .sponsor-logo img {
                max-width: 50px;
                max-height: 64px;
            }

            .logo-compact .sponsor-logo img {
                max-width: 98%;
                max-height: 58px;
            }

            .sponsors-heading {
                margin-top: 54px;
            }
        }



        .gallery-placeholder {
            min-height: 340px;
            display: grid;
            place-items: center;
            align-content: center;
            text-align: center;
            border: 1px dashed rgba(48,136,202,.3);
            border-radius: var(--radius-xl);
            background: rgba(255,255,255,.6);
        }

        .gallery-icon {
            position: relative;
            width: 74px;
            height: 62px;
            border-radius: 15px;
            background: linear-gradient(145deg,var(--primary),var(--accent));
        }

            .gallery-icon::before {
                content: "";
                position: absolute;
                left: 12px;
                top: 12px;
                width: 13px;
                height: 13px;
                border-radius: 50%;
                background: rgba(255,255,255,.9);
            }

            .gallery-icon::after {
                content: "";
                position: absolute;
                left: 10px;
                right: 10px;
                bottom: 10px;
                height: 26px;
                clip-path: polygon(0 100%, 35% 25%, 58% 72%, 75% 40%, 100% 100%);
                background: rgba(255,255,255,.88);
            }

        .gallery-placeholder h3 {
            margin: 22px 0 4px;
            font-size: 24px;
        }

        .gallery-placeholder p {
            margin: 0;
            color: var(--muted);
        }

        .contact-layout {
            display: grid;
            grid-template-columns: .8fr 1.2fr;
            gap: 26px;
        }

        .contact-card {
            padding: 38px;
            border-radius: var(--radius-xl);
            background: var(--tint);
        }

        .contact-list {
            display: grid;
            gap: 13px;
            margin: 28px 0;
        }

            .contact-list > a, .contact-list > div {
                display: flex;
                gap: 14px;
                padding: 14px;
                border-radius: 16px;
                background: #fff;
            }

        .contact-icon {
            display: grid;
            place-items: center;
            width: 42px;
            height: 42px;
            flex: 0 0 auto;
            border-radius: 12px;
            background: rgba(48,136,202,.1);
            color: var(--primary);
            font-weight: 900;
        }

        .contact-list div > div {
            display: flex;
            flex-direction: column;
        }

        .contact-list small {
            color: var(--muted);
        }

        .contact-list strong {
            font-size: 15px;
        }

        .contact-list p {
            margin: 1px 0 0;
            color: var(--muted);
            font-size: 12px;
        }

        .map-wrap {
            min-height: 520px;
            overflow: hidden;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow);
        }

            .map-wrap iframe {
                width: 100%;
                height: 100%;
                min-height: 520px;
                border: 0;
            }

        .site-footer {
            padding: 46px 0 20px;
            color: rgba(255,255,255,.76);
            background: #051f33;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr .8fr .4fr;
            gap: 30px;
            align-items: center;
        }

        .footer-brand {
            display: flex;
            gap: 14px;
            align-items: center;
        }

            .footer-brand img {
                height: 72px;
            }


        .footer-grid p {
            color: #fff;
            margin: 4px 0 0;
            font-size: 12px;
            max-width: 300px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            margin-top: 32px;
            padding-top: 18px;
            border-top: 1px solid rgba(255,255,255,.1);
            color: rgba(255,255,255,.42);
            font-size: 11px;
        }

        .custom-modal {
            position: fixed;
            inset: 0;
            z-index: 3000;
            display: grid;
            place-items: center;
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transition: .25s;
        }

            .custom-modal.open {
                opacity: 1;
                visibility: visible;
            }

        .custom-modal-backdrop {
            position: absolute;
            inset: 0;
            background: rgba(4,28,45,.72);
            backdrop-filter: blur(8px);
        }

        .custom-modal-card {
            position: relative;
            width: min(560px, 100%);
            max-height: calc(100vh - 40px);
            overflow: auto;
            padding: 36px;
            border-radius: 28px;
            background: #fff;
            box-shadow: 0 35px 100px rgba(0,0,0,.25);
        }

        .custom-modal-close {
            position: absolute;
            right: 18px;
            top: 15px;
            width: 38px;
            height: 38px;
            border: 0;
            border-radius: 50%;
            color: var(--muted);
            background: var(--tint);
            font-size: 24px;
        }

        .success-icon {
            display: grid;
            place-items: center;
            width: 68px;
            height: 68px;
            border-radius: 50%;
            color: #fff;
            background: linear-gradient(145deg,var(--primary),var(--accent));
            font-size: 30px;
            font-weight: 900;
        }

        .custom-modal-card h2 {
            margin: 20px 0 8px;
            font-size: 32px;
        }

        .custom-modal-card > p {
            color: var(--muted);
        }

        .payment-box {
            margin: 22px 0 14px;
            padding: 22px;
            border-radius: 20px;
            background: var(--tint);
        }

            .payment-box > span {
                color: var(--primary);
                font-size: 11px;
                font-weight: 800;
                text-transform: uppercase;
                letter-spacing: .08em;
            }

            .payment-box h3 {
                margin: 7px 0 14px;
            }

            .payment-box ol {
                padding-left: 20px;
                color: var(--muted);
                font-size: 13px;
            }

        [data-reveal] {
            opacity: 0;
            transform: translateY(26px);
            transition: opacity .7s ease, transform .7s ease;
        }

            [data-reveal].visible {
                opacity: 1;
                transform: none;
            }

        @media (max-width: 1050px) {
            .main-nav {
                gap: 17px;
            }

                .main-nav > a:not(.nav-cta) {
                    font-size: 12px;
                }

            .hero-layout {
                gap: 32px;
            }

            .hero h1 {
                font-size: clamp(40px,5.5vw,62px);
            }

            .partner-row {
                grid-template-columns: repeat(4,1fr);
            }

            .sponsor-grid {
                grid-template-columns: repeat(3,1fr);
            }
        }

        @media (max-width: 860px) {
            .nav-toggle {
                display: block;
                color: inherit;
            }

            .main-nav {
                position: fixed;
                inset: 76px 20px auto;
                display: none;
                padding: 18px;
                border-radius: 20px;
                color: var(--ink);
                background: #fff;
                box-shadow: var(--shadow);
            }

                .main-nav.open {
                    display: grid;
                }

                .main-nav > a:not(.nav-cta) {
                    padding: 10px;
                }

                    .main-nav > a:not(.nav-cta)::after {
                        display: none;
                    }

            .nav-cta {
                text-align: center;
                color: #fff;
                background: var(--primary);
            }

            .hero {
                padding-top: 120px;
            }

            .hero-layout, .split-layout, .registration-layout, .stream-layout, .contact-layout {
                grid-template-columns: 1fr;
            }

            .hero-panel {
                max-width: 560px;
                margin: auto;
            }

            .registration-copy {
                position: static;
            }

            .section-title-row {
                grid-template-columns: 1fr;
                gap: 14px;
                align-items: start;
            }

            .speaker-grid {
                grid-template-columns: 1fr;
            }

            .committee-grid {
                grid-template-columns: 1fr;
            }

            .person-card:last-child {
                grid-column: auto;
                max-width: none;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .footer-links {
                align-items: flex-start;
            }
        }

        @media (max-width: 600px) {
            .container {
                width: min(100% - 28px, var(--container));
            }

            .section {
                padding: 78px 0;
            }

            .nav-wrap {
                min-height: 72px;
            }

            .brand {
                min-width: 0;
            }

                .brand img {
                    height: 42px;
                }

                .brand strong {
                    font-size: 12px;
                }

                .brand small {
                    display: none;
                }

            .hero {
                min-height: auto;
                padding: 105px 0 36px;
            }

            .eyebrow {
                align-items: flex-start;
                border-radius: 14px;
                font-size: 11px;
            }

            .hero h1 {
                margin-top: 20px;
                font-size: 40px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-meta {
                grid-template-columns: 1fr;
            }

            .hero-actions {
                display: grid;
            }

            .hero-panel {
                padding: 16px;
                border-radius: 24px;
            }

            .countdown strong {
                font-size: 20px;
            }

            .partner-row {
                grid-template-columns: repeat(2,1fr);
            }

                .partner-row img {
                    height: 98px;
                }

            .stat-row {
                grid-template-columns: 1fr;
            }

            .topics-card {
                padding: 22px;
            }

            .person-card {
                align-items: flex-start;
            }

            .person-photo {
                width: 78px;
                height: 94px;
            }

            .pricing-grid {
                grid-template-columns: 1fr;
            }

            .pricing-card, .registration-form, .contact-card {
                padding: 24px;
                border-radius: 24px;
            }

            .form-head {
                align-items: flex-start;
            }

            .secure-pill {
                display: none;
            }

            .form-grid, .participation-choice {
                grid-template-columns: 1fr;
            }

            .field-wide {
                grid-column: auto;
            }

            .sponsor-grid {
                grid-template-columns: repeat(2,1fr);
            }

            .sponsor-card {
                min-height: 110px;
            }

            .map-wrap, .map-wrap iframe {
                min-height: 380px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .footer-bottom {
                flex-direction: column;
            }

            .custom-modal-card {
                padding: 28px 20px 20px;
            }
        }

        .language-switcher {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            margin-left: 8px;
            padding: 3px;
            border: 1px solid rgba(16, 65, 75, 0.2);
            border-radius: 999px;
        }

        .main-nav .language-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 32px;
            padding: 0 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 900;
            line-height: 1;
            letter-spacing: 0.06em;
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
        }

            .main-nav .language-link:hover {
                transform: translateY(-1px);
            }

            .main-nav .language-link.active {
                color: #fff;
                background-color: var(--primary);
                pointer-events: none;
            }

        @media (max-width: 991.98px) {
            .language-switcher {
                width: fit-content;
                margin-top: 12px;
                margin-left: 0;
            }
        }

/* ==========================================================
   PROGRAM
   ========================================================== */

.program-tabs-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 46px;
}

.program-tabs {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin: 0;
    padding: 7px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(255, 255, 255, .82);
    box-shadow: 0 12px 38px rgba(24, 93, 139, .07);
    backdrop-filter: blur(10px);
}

    .program-tabs .nav-item {
        margin: 0;
    }

.program-day-tab {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 180px;
    padding: 13px 20px !important;
    border: 0 !important;
    border-radius: 14px !important;
    color: var(--muted) !important;
    background: transparent !important;
    text-align: left;
    transition: color .25s ease, background .25s ease, box-shadow .25s ease, transform .25s ease;
}

    .program-day-tab:hover {
        color: var(--primary) !important;
        transform: translateY(-1px);
    }

    .program-day-tab.active {
        color: #fff !important;
        background: linear-gradient( 135deg, var(--primary-dark), var(--primary) ) !important;
        box-shadow: 0 10px 28px rgba(48, 136, 202, .24);
    }

.program-day-title {
    font-size: 14px;
    font-weight: 700;
    line-height: 1.25;
}

.program-day-date {
    margin-top: 3px;
    font-size: 11px;
    font-weight: 400;
    opacity: .72;
}


/* ==========================================================
   CONTENT
   ========================================================== */

.program-content {
    width: min(100%, 1040px);
    margin-inline: auto;
}

.program-day-pane {
    outline: none;
}

.program-topic {
    margin-bottom: 54px;
}

    .program-topic:last-child {
        margin-bottom: 0;
    }


/* ==========================================================
   TOPIC HEADER
   ========================================================== */

.program-topic-header {
    position: relative;
    display: grid;
    grid-template-columns: 5px 1fr;
    gap: 20px;
    margin-bottom: 22px;
    padding: 24px 28px;
    overflow: hidden;
    border: 1px solid rgba(48, 136, 202, .12);
    border-radius: 22px;
    background: linear-gradient( 135deg, rgba(48, 136, 202, .075), rgba(255, 255, 255, .96) 65% );
}

    .program-topic-header::after {
        content: "";
        position: absolute;
        width: 170px;
        height: 170px;
        right: -85px;
        top: -100px;
        border-radius: 50%;
        background: rgba(48, 136, 202, .05);
    }

.program-topic-marker {
    position: relative;
    z-index: 1;
    width: 5px;
    border-radius: 999px;
    background: linear-gradient( to bottom, var(--primary), var(--accent) );
}

.program-topic-title {
    position: relative;
    z-index: 1;
    margin: 0;
    color: var(--ink);
    font-family: "Lato", "Segoe UI", Arial, sans-serif;
    font-size: 21px;
    font-weight: 700;
    line-height: 1.35;
}

.program-topic-subtitle {
    position: relative;
    z-index: 1;
    margin-top: 7px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.5;
}


/* ==========================================================
   MODERATORS
   ========================================================== */

.program-moderators {
    display: grid;
    grid-template-columns: 170px 1fr;
    gap: 24px;
    margin-bottom: 24px;
    padding: 22px 24px;
    border: 1px solid rgba(48, 136, 202, .10);
    border-radius: 18px;
    background: var(--tint);
}

.program-moderators-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--primary-dark);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.program-moderators-icon {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    flex: 0 0 auto;
    margin-top: -3px;
    border-radius: 10px;
    color: var(--primary);
    background: rgba(48, 136, 202, .10);
}

    .program-moderators-icon svg {
        width: 17px;
        height: 17px;
        fill: none;
        stroke: currentColor;
        stroke-width: 1.7;
        stroke-linecap: round;
        stroke-linejoin: round;
    }

.program-moderators-list {
    display: grid;
    gap: 14px;
}

.program-person + .program-person {
    padding-top: 14px;
    border-top: 1px solid rgba(23, 56, 75, .09);
}

.program-person-name {
    margin-bottom: 3px;
    color: var(--ink);
    font-size: 14px;
    font-weight: 700;
}

.program-person-description {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.55;
}

    .program-person-description > span:not(:last-child)::after {
        content: ", ";
    }

.program-person-location {
    color: var(--primary-dark);
}

    .program-person-location::before {
        content: "• ";
    }


/* ==========================================================
   TIMELINE
   ========================================================== */

.program-timeline {
    position: relative;
}

.program-item {
    position: relative;
    display: grid;
    grid-template-columns: 95px 28px minmax(0, 1fr);
    gap: 0;
    padding-bottom: 18px;
}

    .program-item:last-child {
        padding-bottom: 0;
    }

.program-time {
    padding: 18px 16px 0 0;
    text-align: right;
}

    .program-time time {
        display: inline-flex;
        flex-direction: column;
        align-items: flex-end;
    }

    .program-time strong {
        color: var(--primary-dark);
        font-size: 15px;
        font-weight: 700;
        line-height: 1;
    }

    .program-time span {
        position: relative;
        margin-top: 5px;
        color: var(--muted);
        font-size: 11px;
    }

        .program-time span::before {
            content: "— ";
        }


/* Timeline line */

.program-timeline-point {
    position: relative;
    display: flex;
    justify-content: center;
}

    .program-timeline-point::before {
        content: "";
        position: absolute;
        top: 0;
        bottom: -18px;
        left: 50%;
        width: 1px;
        transform: translateX(-50%);
        background: rgba(48, 136, 202, .18);
    }

.program-item:first-child .program-timeline-point::before {
    top: 28px;
}

.program-item:last-child .program-timeline-point::before {
    bottom: auto;
    height: 28px;
}

.program-timeline-point span {
    position: relative;
    z-index: 2;
    width: 13px;
    height: 13px;
    margin-top: 25px;
    border: 3px solid #fff;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(48, 136, 202, .12), 0 4px 12px rgba(48, 136, 202, .20);
}


/* ==========================================================
   LECTURE CARD
   ========================================================== */

.program-lecture-card {
    position: relative;
    padding: 22px 24px;
    border: 1px solid rgba(23, 56, 75, .09);
    border-radius: 19px;
    background: #fff;
    box-shadow: 0 10px 32px rgba(24, 93, 139, .055);
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

    .program-lecture-card:hover {
        transform: translateY(-2px);
        border-color: rgba(48, 136, 202, .20);
        box-shadow: 0 16px 42px rgba(24, 93, 139, .10);
    }

.program-lecture-title {
    margin: 0;
    color: var(--ink);
    font-family: "Lato", "Segoe UI", Arial, sans-serif;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.45;
}

.program-lecture-subtitle {
    margin-top: 7px;
    color: var(--primary);
    font-size: 13px;
    line-height: 1.5;
}


/* ==========================================================
   SPEAKERS IN PROGRAM
   ========================================================== */

.program-speakers {
    display: grid;
    gap: 10px;
    margin-top: 17px;
    padding-top: 16px;
    border-top: 1px solid rgba(23, 56, 75, .08);
}

.program-speaker {
    position: relative;
    padding-left: 16px;
}

    .program-speaker::before {
        content: "";
        position: absolute;
        left: 0;
        top: 8px;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--accent);
    }

.program-speaker-name {
    color: var(--ink);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.4;
}

.program-speaker-info {
    margin-top: 2px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}

    .program-speaker-info > span:not(:last-child)::after {
        content: ", ";
    }

.program-speaker-location {
    color: var(--primary-dark);
}

    .program-speaker-location::before {
        content: "• ";
    }


/* ==========================================================
   TABLET
   ========================================================== */

@media (max-width: 860px) {

    .program-content {
        width: 100%;
    }

    .program-moderators {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .program-moderators-label {
        align-items: center;
    }

    .program-item {
        grid-template-columns: 82px 24px minmax(0, 1fr);
    }

    .program-time {
        padding-right: 12px;
    }
}


/* ==========================================================
   MOBILE
   ========================================================== */

@media (max-width: 600px) {

    .program-tabs-wrap {
        margin-bottom: 30px;
    }

    .program-tabs {
        display: grid;
        width: 100%;
        gap: 7px;
        padding: 6px;
        border-radius: 16px;
    }

    .program-day-tab {
        width: 100%;
        min-width: 0;
        padding: 12px 15px !important;
        border-radius: 11px !important;
    }

    .program-day-title {
        font-size: 13px;
    }

    .program-day-date {
        font-size: 10px;
    }


    .program-topic {
        margin-bottom: 38px;
    }

    .program-topic-header {
        grid-template-columns: 4px 1fr;
        gap: 14px;
        margin-bottom: 15px;
        padding: 18px;
        border-radius: 17px;
    }

    .program-topic-title {
        font-size: 17px;
    }

    .program-topic-subtitle {
        font-size: 12px;
    }


    .program-moderators {
        margin-bottom: 18px;
        padding: 17px;
        border-radius: 15px;
    }

    .program-moderators-icon {
        width: 30px;
        height: 30px;
    }


    /*
       На мобильном время переносим
       непосредственно над карточкой
    */

    .program-item {
        display: grid;
        grid-template-columns: 18px minmax(0, 1fr);
        padding-bottom: 14px;
    }

    .program-time {
        grid-column: 2;
        grid-row: 1;
        padding: 0 0 8px;
        text-align: left;
    }

        .program-time time {
            flex-direction: row;
            align-items: center;
            gap: 5px;
        }

        .program-time strong {
            font-size: 13px;
        }

        .program-time span {
            margin: 0;
            font-size: 11px;
        }

            .program-time span::before {
                content: "—";
                margin-right: 4px;
            }


    .program-timeline-point {
        grid-column: 1;
        grid-row: 1 / span 2;
    }

        .program-timeline-point::before {
            bottom: -14px;
        }

        .program-timeline-point span {
            width: 10px;
            height: 10px;
            margin-top: 5px;
            border-width: 2px;
        }

    .program-item:first-child .program-timeline-point::before {
        top: 6px;
    }

    .program-item:last-child .program-timeline-point::before {
        height: 7px;
    }


    .program-lecture-card {
        grid-column: 2;
        grid-row: 2;
        padding: 17px;
        border-radius: 16px;
    }

    .program-lecture-title {
        font-size: 15px;
        line-height: 1.4;
    }

    .program-lecture-subtitle {
        font-size: 12px;
    }

    .program-speakers {
        margin-top: 14px;
        padding-top: 13px;
    }

    .program-speaker-name {
        font-size: 12px;
    }

    .program-speaker-info {
        font-size: 11px;
    }
}

/* ==========================================================
   PROGRAM SECTION
   ========================================================== */

.program-section {
    position: relative;
    overflow: hidden;
}

    .program-section::before {
        content: "";
        position: absolute;
        width: 440px;
        height: 440px;
        right: -180px;
        top: -190px;
        border-radius: 50%;
        background: rgba(48, 136, 202, .06);
        pointer-events: none;
    }

    .program-section::after {
        content: "";
        position: absolute;
        width: 320px;
        height: 320px;
        left: -180px;
        bottom: 80px;
        border-radius: 50%;
        background: rgba(94, 199, 232, .05);
        pointer-events: none;
    }

    .program-section > .container {
        position: relative;
        z-index: 1;
    }


/* Header */

.program-section-head {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr);
    gap: 70px;
    align-items: end;
    margin-bottom: 36px;
}

.program-section-title {
    max-width: 700px;
}

    .program-section-title h2 {
        margin-bottom: 18px;
    }

    .program-section-title > p {
        max-width: 620px;
        margin: 0;
        color: var(--muted);
        font-size: 17px;
        line-height: 1.65;
    }


/* Date / location */

.program-section-meta {
    display: grid;
    gap: 10px;
}

.program-meta-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 15px 17px;
    border: 1px solid rgba(48, 136, 202, .10);
    border-radius: 16px;
    background: rgba(255, 255, 255, .72);
}

.program-meta-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    border-radius: 12px;
    color: var(--primary);
    background: rgba(48, 136, 202, .09);
}

    .program-meta-icon svg {
        width: 20px;
        height: 20px;
        fill: none;
        stroke: currentColor;
        stroke-width: 1.7;
        stroke-linecap: round;
        stroke-linejoin: round;
    }

.program-meta-item > div {
    display: flex;
    flex-direction: column;
}

.program-meta-item small {
    margin-bottom: 2px;
    color: var(--muted);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.program-meta-item strong {
    color: var(--ink);
    font-size: 13px;
    font-weight: 700;
}


/* Download row */

.program-download-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.program-download-note {
    color: var(--muted);
    font-size: 12px;
}

    .program-download-note span {
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

        .program-download-note span::before {
            content: "";
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 0 5px rgba(94, 199, 232, .10);
        }

.program-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    padding: 11px 16px;
    border: 1px solid rgba(48, 136, 202, .16);
    border-radius: 13px;
    color: var(--primary-dark);
    background: #fff;
    box-shadow: 0 8px 24px rgba(24, 93, 139, .06);
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

    .program-download-btn:hover {
        transform: translateY(-2px);
        border-color: rgba(48, 136, 202, .30);
        box-shadow: 0 13px 30px rgba(24, 93, 139, .10);
    }

    .program-download-btn svg {
        width: 20px;
        height: 20px;
        fill: none;
        stroke: var(--primary);
        stroke-width: 1.8;
        stroke-linecap: round;
        stroke-linejoin: round;
    }

    .program-download-btn > span {
        display: flex;
        flex-direction: column;
        color: var(--ink);
        font-size: 12px;
        font-weight: 700;
        line-height: 1.2;
    }

    .program-download-btn small {
        margin-top: 2px;
        color: var(--muted);
        font-size: 9px;
        font-weight: 400;
    }


/* Main white program area */

.program-main-card {
    padding: 38px;
    border: 1px solid rgba(23, 56, 75, .08);
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, .92);
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
}
@media (max-width: 860px) {

    .program-section-head {
        grid-template-columns: 1fr;
        gap: 28px;
        align-items: start;
    }

    .program-section-meta {
        grid-template-columns: repeat(2, 1fr);
    }

    .program-main-card {
        padding: 28px;
    }
}
@media (max-width: 600px) {

    .program-section-head {
        margin-bottom: 26px;
    }

    .program-section-title > p {
        font-size: 15px;
    }

    .program-section-meta {
        grid-template-columns: 1fr;
    }

    .program-download-row {
        align-items: stretch;
        flex-direction: column;
    }

    .program-download-btn {
        justify-content: center;
    }

    .program-main-card {
        padding: 16px;
        border-radius: 22px;
    }
}