* {
    box-sizing: border-box;
}

:root {
    --navy: #071a2d;
    --blue: #0d5bd7;
    --cyan: #3ec6e0;
    --accent: #c6699e;
    --accent-dark: #b3558d;
    --ink: #182230;
    --muted: #647184;
    --line: #dce3ea;
    --background: #f4f7fa;
    --white: #ffffff;
    --max-width: 1180px;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Inter", Arial, sans-serif;
    color: var(--ink);
    background: var(--white);
    line-height: 1.65;
}

a {
    color: inherit;
}

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

.container {
    width: min(calc(100% - 40px), var(--max-width));
    margin: 0 auto;
}

.hero-container {
    width: min(calc(100% - 80px), 1400px);
    margin: 0 auto;
}

/* HEADER */

.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 4px 18px rgba(7, 26, 45, 0.08);
    backdrop-filter: blur(12px);
}

.nav-wrap {
    min-height: 88px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    text-decoration: none;
}

    .brand img {
        width: auto;
        height: 36px;
        display: block;
    }

    .brand:hover img {
        transform: scale(1.03);
    }

.site-nav {
    display: flex;
    align-items: center;
    gap: 26px;
}

    .site-nav a {
        color: var(--navy);
        text-decoration: none;
        font-size: 0.9rem;
        font-weight: 700;
    }

        .site-nav a:hover,
        .site-nav a[aria-current="page"] {
            color: var(--accent-dark);
        }

            .site-nav a[aria-current="page"]:not(.nav-button) {
                border-bottom: 2px solid var(--accent);
            }

.nav-button {
    padding: 10px 18px;
    border: 1px solid var(--navy);
    border-radius: 999px;
}

.site-nav .nav-button:hover,
.site-nav .nav-button[aria-current="page"] {
    color: var(--white);
    border-color: var(--accent);
    background: var(--accent);
}

.menu-toggle {
    display: none;
    padding: 8px;
    border: 0;
    background: none;
}

    .menu-toggle span {
        display: block;
        width: 26px;
        height: 2px;
        margin: 5px 0;
        background: var(--navy);
    }

/* HERO IMAGE */

.hero-image-section {
    width: 100%;
    padding-top: 88px;
    background: var(--navy);
}

.hero-banner-image {
    width: 100%;
    height: auto;
    object-fit: contain;
}

/* HERO BUTTONS */

.hero-button-section {
    padding: 30px 0;
    border-bottom: 1px solid var(--line);
    background: var(--white);
}

.hero-button-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 22px;
}

.hero-button {
    min-width: 240px;
    min-height: 58px;
    font-size: 1rem;
}

.abstract-button {
    color: var(--white);
    background: var(--accent);
}

    .abstract-button:hover {
        background: var(--accent-dark);
    }

.programme-button {
    color: var(--white);
    background: var(--navy);
}

    .programme-button:hover {
        background: #102f4d;
    }

/* GENERAL BUTTONS */

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.button {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 800;
}

    .button.primary {
        color: var(--white);
        background: var(--blue);
    }

        .button.primary:hover {
            background: #0949ad;
        }

    .button.secondary {
        color: var(--white);
        border: 1px solid rgba(255, 255, 255, 0.5);
    }

    .button.outline-dark {
        color: var(--navy);
        border: 1px solid var(--navy);
        background: transparent;
    }

        .button.outline-dark:hover {
            color: var(--white);
            background: var(--navy);
        }

.disabled-button {
    pointer-events: none;
    opacity: 0.62;
    cursor: not-allowed;
}

/* GENERAL LAYOUT */

.section {
    padding: 100px 0;
}

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

.two-column {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 80px;
    align-items: start;
}

h2 {
    margin: 0 0 20px;
    font-size: clamp(2.25rem, 5vw, 4.2rem);
    line-height: 1.05;
    letter-spacing: -0.045em;
}

h3 {
    margin: 0;
    font-size: 1.2rem;
}

p {
    margin-top: 0;
}

.section-heading {
    max-width: 850px;
}

.section-label {
    margin: 0 0 12px;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.78rem;
    font-weight: 800;
}

.section-intro {
    max-width: 760px;
    color: var(--muted);
    font-size: 1.05rem;
}

.subsection {
    margin-top: 80px;
}

.inner-page {
    padding-top: 88px;
}

.page-hero {
    padding: 110px 0 90px;
    color: var(--white);
    background: linear-gradient(135deg, #123a60 0%, #1f5f98 100%);
}

    .page-hero .section-label {
        margin-bottom: 18px;
        color: #8ed9eb;
    }

    .page-hero h1 {
        max-width: 1200px;
        margin: 0 0 24px;
        font-size: clamp(2.8rem, 7vw, 5.4rem);
        line-height: 1.02;
        letter-spacing: -0.05em;
    }

    .page-hero p:last-child {
        max-width: 900px;
        margin: 0;
        color: rgba(255, 255, 255, 0.84);
        font-size: 1.08rem;
    }

.subsection-title {
    margin-bottom: 28px;
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    letter-spacing: -0.03em;
}


/* CALLOUT */

.callout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 54px;
    border-radius: 26px;
    color: var(--white);
    background: var(--navy);
}

    .callout > div {
        max-width: 760px;
    }

    .callout h2 {
        margin-bottom: 12px;
    }

    .callout p:last-child {
        margin-bottom: 0;
        color: rgba(255, 255, 255, 0.76);
    }

/* HOMEPAGE PREVIEWS */

.home-link-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 44px;
}

.home-link-card {
    min-height: 330px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 34px;
    border: 1px solid var(--line);
    border-radius: 20px;
    color: var(--ink);
    background: var(--white);
    text-decoration: none;
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

    .home-link-card:hover {
        transform: translateY(-5px);
        border-color: rgba(198, 105, 158, 0.45);
        box-shadow: 0 18px 40px rgba(7, 26, 45, 0.09);
    }

.home-link-number {
    display: block;
    margin-bottom: 44px;
    color: var(--accent);
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1;
}

.home-link-card h3 {
    margin-bottom: 14px;
    font-size: 1.55rem;
    line-height: 1.25;
}

.home-link-card p {
    margin-bottom: 24px;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.65;
}

.home-link-card .text-link {
    font-size: 0.95rem;
}

.home-sponsor-preview {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

    .home-sponsor-preview > div {
        max-width: 760px;
    }

/* TOPICS OF INTEREST */

.topics-heading {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 60px;
    align-items: end;
    margin-bottom: 42px;
}

    .topics-heading .subsection-title {
        margin-bottom: 0;
    }

.topics-intro {
    max-width: 650px;
    margin: 0;
    color: var(--muted);
    font-size: 1.05rem;
}

.topic-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.topic-card {
    position: relative;
    min-height: 350px;
    display: flex;
    flex-direction: column;
    padding: 30px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--white);
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

    .topic-card::after {
        content: "";
        position: absolute;
        right: -70px;
        bottom: -70px;
        width: 140px;
        height: 140px;
        border-radius: 50%;
        background: rgba(13, 91, 215, 0.06);
        transition: transform 180ms ease;
    }

    .topic-card:hover {
        transform: translateY(-6px);
        border-color: rgba(13, 91, 215, 0.35);
        box-shadow: 0 18px 45px rgba(7, 26, 45, 0.11);
    }

        .topic-card:hover::after {
            transform: scale(1.25);
        }

.topic-icon {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    margin-bottom: 28px;
    border-radius: 15px;
    color: var(--blue);
    background: rgba(13, 91, 215, 0.1);
    transition: background 180ms ease, color 180ms ease;
}

.topic-card:hover .topic-icon {
    color: var(--white);
    background: var(--blue);
}

.topic-icon svg {
    width: 28px;
    height: 28px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.topic-card h4 {
    position: relative;
    z-index: 1;
    margin: 0 0 12px;
    font-size: 1.25rem;
    line-height: 1.3;
}

.topic-card > p {
    position: relative;
    z-index: 1;
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.topic-tags {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: auto 0 0;
    padding: 26px 0 0;
    list-style: none;
}

    .topic-tags li {
        padding: 6px 10px;
        border-radius: 999px;
        color: var(--muted);
        background: var(--background);
        font-size: 0.74rem;
        font-weight: 700;
    }

.topics-note {
    margin: 30px 0 0;
    color: var(--muted);
    text-align: center;
    font-size: 0.9rem;
}

/* SUBMISSION PROCESS */

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.process-card {
    position: relative;
    min-height: 360px;
    padding: 30px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--white);
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

    .process-card:hover {
        transform: translateY(-6px);
        border-color: rgba(198, 105, 158, 0.45);
        box-shadow: 0 18px 45px rgba(7, 26, 45, 0.1);
    }

.calendar-badge {
    width: 92px;
    margin-bottom: 28px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--white);
    box-shadow: 0 8px 22px rgba(7, 26, 45, 0.08);
}

.calendar-badge-wide {
    width: 112px;
}

.calendar-month {
    padding: 8px 10px;
    color: var(--white);
    background: var(--accent);
    text-align: center;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.16em;
}

.calendar-day {
    min-height: 64px;
    display: grid;
    place-items: center;
    color: var(--navy);
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
}

.calendar-range {
    font-size: 1.65rem;
}

.process-card h4 {
    margin: 0 0 8px;
    font-size: 1.3rem;
    line-height: 1.25;
}

.process-full-date {
    margin: 0 0 16px;
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 800;
}

.process-card > p:last-child {
    margin: 0;
    color: var(--muted);
}

/* SUBMISSION GUIDELINES */

.submission-columns {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 80px;
}

.submission-panel {
    padding: 34px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--white);
}

    .submission-panel h3 {
        margin-bottom: 22px;
        font-size: 1.5rem;
    }

.feature-list {
    margin: 0;
    padding-left: 22px;
}

    .feature-list li {
        margin-bottom: 12px;
    }

.download-list {
    display: grid;
    gap: 12px;
}

.download-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-radius: 12px;
    color: var(--ink);
    text-decoration: none;
    font-weight: 700;
}

    .download-link span {
        color: var(--blue);
        font-size: 0.9rem;
    }

    .download-link:hover {
        border-color: var(--blue);
    }

.small-note {
    margin: 22px 0 0;
    color: var(--muted);
    font-size: 0.9rem;
}

/* CARD GRIDS */

.card-grid {
    display: grid;
    gap: 22px;
    margin-top: 44px;
}

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

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

    .card-grid.five {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }

/* IMPORTANT DATE CARDS */

.info-card {
    min-height: 270px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--white);
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

    .info-card:hover {
        transform: translateY(-5px);
        border-color: rgba(13, 91, 215, 0.3);
        box-shadow: 0 18px 40px rgba(7, 26, 45, 0.09);
    }

.card-number {
    display: block;
    margin-bottom: 38px;
    color: var(--accent);
    font-size: 2.1rem;
    font-weight: 800;
    line-height: 1;
}

.info-card h3 {
    margin: 0 0 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(198, 105, 158, 0.2);
    color: var(--muted);
    font-size: 1rem;
    font-weight: 600;
}

.info-card p {
    margin: 0;
    color: var(--navy);
    font-size: 1.35rem;
    font-weight: 800;
}

/* PROGRAMME PAGE */

.programme-day-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 44px;
}

.programme-day-card {
    padding: 32px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--white);
}

.programme-day-heading {
    margin-bottom: 28px;
}

.programme-day-number {
    display: inline-block;
    margin-bottom: 16px;
    padding: 10px 18px;
    border-radius: 999px;
    color: var(--white);
    background: var(--blue);
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: 0.02em;
}
.programme-day-date {
    margin: 0;
    color: var(--navy);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.4;
}

.programme-day-card h3 {
    margin-bottom: 14px;
    font-size: 1.45rem;
}

.programme-day-card > p {
    color: var(--muted);
}

.programme-features {
    margin: 24px 0 0;
    padding-left: 20px;
}

    .programme-features li {
        margin-bottom: 8px;
    }

.programme-detail-heading {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 60px;
    align-items: end;
    margin-bottom: 44px;
}

.programme-timeline {
    display: grid;
    gap: 36px;
}

.programme-timeline-day {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 40px;
    padding: 34px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--white);
}

.programme-timeline-title span {
    display: inline-block;
    margin-bottom: 10px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.78rem;
    font-weight: 800;
}

.programme-timeline-title h3 {
    font-size: 1.4rem;
}

.programme-session-list {
    border-top: 1px solid var(--line);
}

.programme-session {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 22px;
    padding: 22px 0;
    border-bottom: 1px solid var(--line);
}

.programme-time {
    color: var(--blue);
    font-size: 0.9rem;
    font-weight: 800;
}

.programme-session p {
    margin: 5px 0 0;
    color: var(--muted);
}

.programme-update-box {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 60px;
    align-items: start;
    padding: 42px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--white);
}

    .programme-update-box h2 {
        margin-bottom: 0;
    }

    .programme-update-box p:last-child {
        margin-bottom: 0;
    }


/* BREAK ROWS */

.programme-session.programme-break {
    align-items: center;
    padding-top: 16px;
    padding-bottom: 16px;
    background: rgba(0, 0, 0, 0.025);
}

    .programme-session.programme-break strong {
        color: var(--muted);
        font-size: 0.95rem;
    }


/* SPEAKERS PAGE */

.speaker-grid {
    display: grid;
    gap: 28px;
    margin-top: 44px;
}

.speaker-profile-card {
    display: grid;
    grid-template-columns: 320px 1fr;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--white);
}

.speaker-image-wrap {
    min-height: 390px;
    background: var(--background);
}

.speaker-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.speaker-profile-placeholder {
    width: 100%;
    height: 100%;
    min-height: 390px;
    margin: 0;
    border-radius: 0;
}

.speaker-profile-content {
    padding: 42px;
}

.speaker-type {
    margin-bottom: 14px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.78rem;
    font-weight: 800;
}

.speaker-profile-content h3 {
    margin-bottom: 8px;
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    line-height: 1.1;
    letter-spacing: -0.035em;
}

.speaker-role {
    margin-bottom: 24px;
    color: var(--blue);
    font-weight: 700;
}

.speaker-profile-content > p:not( .speaker-type, .speaker-role, .speaker-talk-label, .speaker-talk-title ) {
    color: var(--muted);
}

.speaker-talk-label {
    margin: 30px 0 6px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.75rem;
    font-weight: 800;
}

.speaker-talk-title {
    margin-bottom: 0;
    color: var(--navy);
    font-size: 1.05rem;
    font-weight: 800;
}

.speaker-section-heading {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 60px;
    align-items: end;
    margin-bottom: 44px;
}

.contributor-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.contributor-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--white);
}

.contributor-avatar {
    width: 68px;
    height: 68px;
    flex: 0 0 68px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: var(--blue);
    background: rgba(13, 91, 215, 0.1);
    font-size: 0.78rem;
    font-weight: 800;
}

.contributor-card h3 {
    margin-bottom: 4px;
}

.contributor-card p {
    margin: 0;
    color: var(--muted);
}

.speakers-coming-soon {
    max-width: 820px;
    margin: 0 auto;
    padding: 72px 54px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: var(--white);
    text-align: center;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.05);
}

.speakers-coming-soon-icon {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 8px;
    width: 86px;
    height: 86px;
    margin: 0 auto 30px;
    padding-bottom: 25px;
    border-radius: 50%;
    background: rgba(198, 105, 158, 0.12);
}

    .speakers-coming-soon-icon span {
        display: block;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--accent);
    }

        .speakers-coming-soon-icon span:nth-child(2) {
            transform: translateY(-8px);
        }

.speakers-coming-soon h2 {
    margin-bottom: 20px;
    font-size: clamp(2rem, 4vw, 3.2rem);
}

.speakers-coming-soon > p:not(.section-label) {
    max-width: 640px;
    margin-right: auto;
    margin-left: auto;
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.75;
}

.speakers-coming-soon .button {
    margin-top: 16px;
}

/* REGISTRATION PAGE */

.registration-status-card {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 30px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--background);
}

.registration-status-dot {
    width: 12px;
    height: 12px;
    flex: 0 0 12px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 6px rgba(198, 105, 158, 0.12);
}

.registration-status-label {
    margin: 0 0 3px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.09em;
    font-size: 0.74rem;
    font-weight: 800;
}

.registration-status-text {
    margin: 0;
    color: var(--navy);
    font-weight: 800;
}


/* REGISTRATION OPTIONS */

.registration-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    margin-top: 44px;
}

.registration-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 420px;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--white);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

    .registration-card:hover {
        transform: translateY(-5px);
        border-color: rgba(198, 105, 158, 0.45);
        box-shadow: 0 18px 40px rgba(7, 26, 45, 0.08);
    }

.featured-registration-card {
    border-color: rgba(198, 105, 158, 0.5);
    box-shadow: 0 18px 45px rgba(7, 26, 45, 0.08);
}

.registration-type {
    margin-bottom: 20px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.78rem;
    font-weight: 800;
}

.registration-card h3 {
    margin-bottom: 14px;
    font-size: 1.35rem;
}

.registration-price {
    margin-bottom: 24px;
    color: var(--navy);
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
}

.registration-features {
    margin: 0;
    padding-left: 20px;
}

    .registration-features li {
        margin-bottom: 10px;
        color: var(--muted);
    }

.registration-card-button {
    width: 100%;
    margin-top: auto;
    color: var(--white);
    background: var(--accent);
    border: 2px solid var(--accent);
    text-align: center;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

    .registration-card-button:hover {
        color: var(--white);
        background: var(--blue);
        border-color: var(--blue);
        transform: translateY(-2px);
    }


/* REGISTRATION BENEFITS */

.registration-heading {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 60px;
    align-items: end;
    margin-bottom: 44px;
}

.registration-benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.registration-benefit-card {
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--white);
}

.registration-benefit-icon {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    margin-bottom: 24px;
    border-radius: 14px;
    color: var(--blue);
    background: rgba(13, 91, 215, 0.1);
}

    .registration-benefit-icon svg {
        width: 27px;
        height: 27px;
        fill: none;
        stroke: currentColor;
        stroke-width: 1.8;
        stroke-linecap: round;
        stroke-linejoin: round;
    }

.registration-benefit-card h3 {
    margin-bottom: 10px;
}

.registration-benefit-card p {
    margin: 0;
    color: var(--muted);
}


/* REGISTRATION INFORMATION */

.registration-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 44px;
}

.registration-info-card {
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--white);
}

    .registration-info-card h3 {
        margin-bottom: 12px;
        font-size: 1.3rem;
    }

    .registration-info-card p {
        color: var(--muted);
    }


/* OLD DISABLED BUTTON SUPPORT */

.registration-coming-soon {
    display: inline-block;
    align-self: flex-start;
    margin-top: auto;
    padding: 8px 12px;
    border-radius: 999px;
    color: var(--muted);
    background: var(--background);
    font-size: 0.78rem;
    font-weight: 800;
}

.disabled-button {
    pointer-events: none;
    opacity: 0.62;
    cursor: not-allowed;
}

/* ==================================================
   COMMITTEE PAGE
================================================== */

.committee-section-header {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 60px;
    align-items: end;
    margin-bottom: 44px;
}

    .committee-section-header .section-intro {
        margin: 0;
    }


/* PROGRAMME COMMITTEE */

.programme-committee-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.committee-person-card {
    display: grid;
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 20px;
    align-items: center;
    min-height: 150px;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--white);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

    .committee-person-card:hover {
        transform: translateY(-4px);
        border-color: rgba(198, 105, 158, 0.35);
        box-shadow: 0 14px 32px rgba(0, 0, 0, 0.07);
    }

.committee-person-photo {
    width: 105px;
    height: 105px;
    border-radius: 50%;
    border: 3px solid var(--background);
    object-fit: cover;
    object-position: center;
}

.committee-person-content {
    min-width: 0;
}

.committee-person-card h3 {
    margin: 0 0 7px;
    color: var(--navy);
    font-size: 1.12rem;
    line-height: 1.35;
}

.committee-person-affiliation {
    margin: 0;
    color: var(--muted);
    font-size: 0.94rem;
    line-height: 1.5;
}


/* ORGANISING COMMITTEE */

.organising-committee-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.organising-committee-card {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 26px;
    align-items: center;
    min-height: 220px;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--white);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

    .organising-committee-card:hover {
        transform: translateY(-5px);
        border-color: rgba(198, 105, 158, 0.35);
        box-shadow: 0 16px 36px rgba(0, 0, 0, 0.08);
    }

.organising-committee-photo {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    border: 4px solid var(--background);
    object-fit: cover;
    object-position: center;
}

.organising-committee-content {
    min-width: 0;
}

.organising-committee-card .committee-role {
    margin: 0 0 8px;
    color: var(--pink);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    line-height: 1.3;
    text-transform: uppercase;
}

.organising-committee-card h3 {
    margin: 0 0 8px;
    color: var(--navy);
    font-size: 1.4rem;
    line-height: 1.3;
}



/* SPONSORS PAGE */

.sponsor-logo-grid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 24px;
    margin-top: 44px;
}

.logo-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 220px;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--white);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

    .logo-card:hover {
        transform: translateY(-5px);
        border-color: rgba(198,105,158,.35);
        box-shadow: 0 18px 40px rgba(0,0,0,.08);
    }

.logo-placeholder {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 120px;
    margin-bottom: 20px;
    background: none;
    border: none;
}

.sponsor-logo {
    width: auto;
    max-width: 220px;
    max-height: 100px;
    object-fit: contain;
}

.logo-card h3 {
    margin: 0;
    font-size: 1rem;
    line-height: 1.4;
}



/* WWRF PARTNER */

.partner-section-heading {
    display: grid;
    grid-template-columns: minmax(0, 0.7fr) minmax(320px, 0.3fr);
    gap: 60px;
    align-items: center;
}

.wwrf-partner-grid {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.wwrf-partner-card {
    width: 100%;
    max-width: 420px;
    min-height: 240px;
    padding: 36px;
}

    .wwrf-partner-card .logo-placeholder {
        height: 150px;
        margin-bottom: 0;
    }

    .wwrf-partner-card .sponsor-logo {
        max-width: 300px;
        max-height: 135px;
    }

/* VENUE AND TRAVEL PAGE */

.venue-status-card {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 28px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--background);
}

.venue-status-dot {
    width: 12px;
    height: 12px;
    flex: 0 0 12px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 6px rgba(198, 105, 158, 0.12);
}

.venue-status-label {
    margin: 0 0 3px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.09em;
    font-size: 0.74rem;
    font-weight: 800;
}

.venue-status-text {
    margin: 0;
    color: var(--navy);
    font-weight: 800;
}

.venue-map-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 50px;
    align-items: stretch;
}

.venue-map-content {
    padding: 20px 0;
}

.address-card {
    margin: 28px 0;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--white);
}

.address-label {
    margin-bottom: 10px;
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: 0.09em;
    font-size: 0.75rem;
    font-weight: 800;
}

.address-card address {
    color: var(--ink);
    font-style: normal;
    line-height: 1.7;
}

.venue-link-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.map-frame-wrap {
    min-height: 480px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--white);
}

.venue-map-frame {
    width: 100%;
    height: 100%;
    min-height: 480px;
    display: block;
    border: 0;
}

.travel-heading,
.hotel-heading {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 60px;
    align-items: end;
    margin-bottom: 44px;
}

.travel-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.travel-card {
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--white);
}

.travel-icon {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    margin-bottom: 26px;
    border-radius: 15px;
    color: var(--blue);
    background: rgba(13, 91, 215, 0.1);
}

    .travel-icon svg {
        width: 28px;
        height: 28px;
        fill: none;
        stroke: currentColor;
        stroke-width: 1.8;
        stroke-linecap: round;
        stroke-linejoin: round;
    }

.travel-card h3 {
    margin-bottom: 12px;
    font-size: 1.4rem;
}

.travel-card p {
    color: var(--muted);
}

.hotel-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.hotel-card {
    min-height: 390px;
    display: flex;
    flex-direction: column;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--white);
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

    .hotel-card:hover {
        transform: translateY(-5px);
        border-color: rgba(13, 91, 215, 0.3);
        box-shadow: 0 18px 40px rgba(7, 26, 45, 0.09);
    }

.hotel-card-top {
    margin-bottom: 20px;
}

.hotel-category {
    margin-bottom: 14px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.76rem;
    font-weight: 800;
}

.hotel-card h3 {
    margin-bottom: 8px;
    font-size: 1.4rem;
    line-height: 1.3;
}

.hotel-address {
    margin: 0;
    color: var(--blue);
    font-size: 0.9rem;
    font-weight: 700;
}

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

.hotel-button {
    align-self: flex-start;
    margin-top: auto;
}

.hotel-search-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    margin-top: 30px;
    padding: 32px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--white);
}

    .hotel-search-panel h3 {
        margin-bottom: 8px;
        font-size: 1.35rem;
    }

    .hotel-search-panel p {
        max-width: 700px;
        margin-bottom: 0;
        color: var(--muted);
    }

.visitor-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.visitor-info-card {
    padding: 32px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--white);
}

    .visitor-info-card h3 {
        margin-bottom: 14px;
        font-size: 1.45rem;
    }

    .visitor-info-card > p:not(.section-label) {
        color: var(--muted);
    }
/* CONTACT PAGE */

.contact-primary-card {
    padding: 38px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--background);
}

.contact-person-role {
    margin-bottom: 10px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.76rem;
    font-weight: 800;
}

.contact-primary-card h3 {
    margin-bottom: 6px;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    letter-spacing: -0.035em;
}

.contact-organisation {
    margin-bottom: 28px;
    color: var(--muted);
    font-weight: 700;
}

.contact-method-list {
    display: grid;
    gap: 14px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 14px;
    color: var(--ink);
    background: var(--white);
    text-decoration: none;
    font-weight: 700;
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

    .contact-method:hover {
        transform: translateY(-2px);
        border-color: rgba(13, 91, 215, 0.35);
        box-shadow: 0 10px 26px rgba(7, 26, 45, 0.08);
    }

.contact-method-icon {
    width: 46px;
    height: 46px;
    flex: 0 0 46px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    color: var(--blue);
    background: rgba(13, 91, 215, 0.1);
}

    .contact-method-icon svg {
        width: 23px;
        height: 23px;
        fill: none;
        stroke: currentColor;
        stroke-width: 1.8;
        stroke-linecap: round;
        stroke-linejoin: round;
    }

.contact-method small {
    display: block;
    margin-bottom: 2px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.68rem;
    font-weight: 800;
}

.contact-area-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    margin-top: 44px;
}

.contact-area-card {
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--white);
}

.contact-area-icon {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    margin-bottom: 24px;
    border-radius: 14px;
    color: var(--blue);
    background: rgba(13, 91, 215, 0.1);
}

    .contact-area-icon svg {
        width: 27px;
        height: 27px;
        fill: none;
        stroke: currentColor;
        stroke-width: 1.8;
        stroke-linecap: round;
        stroke-linejoin: round;
    }

.contact-area-card h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.contact-area-card p {
    margin-bottom: 0;
    color: var(--muted);
}

.contact-link-list {
    display: grid;
    gap: 12px;
    margin-top: 26px;
}
/* FOOTER */

.site-footer {
    padding: 32px 0;
   background: rgba(255, 255, 255, 0.96);
    background: var(--white);
}

.footer-wrap {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

    .footer-wrap p {
        margin: 0;
    }

@media (max-width: 1180px) {
    .card-grid.five {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* TABLET */

@media (max-width: 900px) {
    .menu-toggle {
        display: block;
    }

    .site-nav {
        position: absolute;
        top: 88px;
        right: 0;
        left: 0;
        display: none;
        max-height: calc(100vh - 88px);
        overflow-y: auto;
        flex-direction: column;
        align-items: flex-start;
        padding: 24px 20px;
        background: var(--white);
        border-top: 1px solid var(--line);
        box-shadow: 0 14px 30px rgba(7, 26, 45, 0.12);
    }

        .site-nav.open {
            display: flex;
        }

    .hero-button-row {
        flex-wrap: wrap;
    }

    .hero-button {
        min-width: 210px;
    }

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

    .registration-grid,
    .registration-benefit-grid,
    .registration-info-grid,
    .home-link-grid {
        grid-template-columns: 1fr;
    }

    .registration-heading {
        grid-template-columns: 1fr;
        gap: 18px;
    }

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


    .home-sponsor-preview {
        align-items: flex-start;
        flex-direction: column;
    }

    .programme-day-grid {
        grid-template-columns: 1fr;
    }

    .programme-detail-heading,
    .programme-timeline-day {
        grid-template-columns: 1fr;
    }

    .programme-timeline-day {
        gap: 24px;
    }

    .programme-update-box {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 32px;
    }
    .speaker-profile-card {
        grid-template-columns: 1fr;
    }

    .speaker-image-wrap,
    .speaker-profile-placeholder {
        min-height: 360px;
    }

    .speaker-section-heading {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .contributor-grid {
        grid-template-columns: 1fr;
    }
    .committee-section-header {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .programme-committee-grid,
    .organising-committee-grid {
        grid-template-columns: 1fr;
    }
    .sponsor-logo-grid {
        grid-template-columns: repeat(2,1fr);
    }
    .partner-section-heading {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .registration-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .venue-map-grid,
    .travel-heading,
    .hotel-heading {
        grid-template-columns: 1fr;
    }

    .travel-grid,
    .hotel-grid {
        grid-template-columns: 1fr;
    }

    .visitor-info-grid {
        grid-template-columns: 1fr;
    }

    .hotel-search-panel {
        align-items: flex-start;
        flex-direction: column;
    }

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

    .two-column,
    .card-grid.five,
    .submission-columns {
        grid-template-columns: 1fr;
    }

    .topics-heading {
        grid-template-columns: 1fr;
        gap: 18px;
    }

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

    .two-column {
        gap: 30px;
    }

    .callout {
        align-items: flex-start;
        flex-direction: column;
    }
}

/* MOBILE */

@media (max-width: 620px) {
    .container {
        width: min(calc(100% - 28px), var(--max-width));
    }

    .hero-container {
        width: min(calc(100% - 28px), 1400px);
    }

    .brand img {
        height: 38px;
    }

    .hero-image-section {
        padding-top: 88px;
        overflow-x: auto;
    }

    .hero-banner-image {
        width: 100%;
        min-width: 700px;
    }

    .hero-button-row {
        flex-direction: column;
    }

    .hero-button {
        width: 100%;
        min-width: 0;
    }

    .card-grid.five {
        grid-template-columns: 1fr;
    }

    .programme-session {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .programme-update-box {
        padding: 24px;
    }


    .topic-grid,
    .process-grid {
        grid-template-columns: 1fr;
    }

    .topic-card,
    .process-card {
        min-height: auto;
    }

    .speaker-profile-content {
        padding: 28px;
    }

    .speaker-image-wrap,
    .speaker-profile-placeholder {
        min-height: 300px;
    }

    .speakers-coming-soon {
        padding: 50px 24px;
    }

    .speakers-coming-soon-icon {
        width: 74px;
        height: 74px;
        padding-bottom: 21px;
    }

    .committee-person-card {
        grid-template-columns: 68px minmax(0, 1fr);
        gap: 16px;
        padding: 18px;
    }

    .committee-person-photo {
        width: 62px;
        height: 62px;
    }

    .committee-person-card h3 {
        font-size: 1rem;
    }

    .organising-committee-card {
        grid-template-columns: 1fr;
        gap: 18px;
        padding: 24px;
        text-align: center;
    }

    .organising-committee-photo {
        width: 110px;
        height: 110px;
        margin: 0 auto;
    }
    .sponsor-logo-grid {
        grid-template-columns: 1fr;
    }

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

    .partner-section-heading {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .wwrf-partner-grid {
        justify-content: flex-start;
    }


    .venue-link-row {
        flex-direction: column;
    }

        .venue-link-row .button,
        .hotel-button {
            width: 100%;
        }

    .map-frame-wrap,
    .venue-map-frame {
        min-height: 360px;
    }

    .contact-area-grid {
        grid-template-columns: 1fr;
    }

    .contact-primary-card {
        padding: 28px;
    }

    .contact-method {
        align-items: flex-start;
    }

    .section {
        padding: 72px 0;
    }

    .programme-item {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .callout {
        padding: 34px 26px;
    }

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