/* Parkinson's on Canvas - Main Stylesheet */
/* Fonts: Cormorant Garamond (display) + DM Sans (body) */

/* ── Design Tokens ── */
:root {
    /* Primary palette — pulled from hero image */
    --deep-sapphire: #1a3a5c;
    --vivid-blue: #2d6da8;
    --bright-azure: #4a9ad4;
    --warm-amber: #d4922a;
    --rich-gold: #e8a830;
    --copper-glow: #c67a28;
    --burnt-sienna: #b85c1e;

    /* Neutrals */
    --ink: #0f1a28;
    --charcoal: #1e2a38;
    --slate: #3a4a5c;
    --mist: #8a9ab0;
    --pearl: #f0f2f6;
    --warm-white: #fafbfd;
    --cream: #f5f0e8;

    /* Accents */
    --coral: #e85d4a;
    --emerald: #2cb67d;
    --violet: #8b5cf6;

    /* Functional */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-xl: 40px;
    --shadow-sm: 0 2px 8px rgba(15, 26, 40, 0.06);
    --shadow-md: 0 8px 30px rgba(15, 26, 40, 0.1);
    --shadow-lg: 0 20px 60px rgba(15, 26, 40, 0.14);
    --shadow-glow: 0 0 40px rgba(232, 168, 48, 0.2);
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', sans-serif;
    color: var(--charcoal);
    line-height: 1.7;
    overflow-x: hidden;
    background: var(--warm-white);
}

/* ── Typography ── */
h1, h2, h3, .section-title, .invitation-quote, .topics-slogan {
    font-family: 'Cormorant Garamond', serif;
}

/* ── Navbar ── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 22px 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
    background: linear-gradient(180deg, rgba(15, 26, 40, 0.7) 0%, transparent 100%);
}

.navbar.scrolled {
    background: rgba(250, 251, 253, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06), var(--shadow-sm);
    padding: 14px 50px;
}

.nav-links {
    display: flex;
    gap: 38px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.92);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: var(--transition);
    position: relative;
    padding: 4px 0;
}

.navbar.scrolled .nav-links a {
    color: var(--slate);
}

.nav-links a:hover {
    color: var(--rich-gold);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--warm-amber), var(--rich-gold));
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 1px;
}

.nav-links a:hover::after {
    width: 100%;
}

/* ── Hero Section ── */
.hero {
    height: 100vh;
    min-height: 600px;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--ink);
}

.hero picture {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-poster {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 45%;
    display: block;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(15, 26, 40, 0.35) 0%, rgba(15, 26, 40, 0.05) 40%, rgba(15, 26, 40, 0.55) 100%),
        radial-gradient(ellipse at 30% 80%, rgba(15, 26, 40, 0.3), transparent 70%);
    pointer-events: none;
    z-index: 1;
}

/* Hero overlay text — hidden on desktop (text is in the image), shown on mobile */
.hero-overlay-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 24px;
    display: none;
}

.hero-tagline {
    display: inline-block;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--rich-gold);
    margin-bottom: 16px;
    background: rgba(232, 168, 48, 0.12);
    padding: 8px 20px;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(232, 168, 48, 0.25);
}

.hero-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 4rem;
    font-weight: 600;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 24px;
    text-shadow: 0 2px 30px rgba(0, 0, 0, 0.4);
}

.hero-title em {
    font-style: italic;
    color: var(--rich-gold);
}

.hero-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.5px;
}

.hero-divider {
    width: 32px;
    height: 1px;
    background: var(--rich-gold);
    opacity: 0.6;
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2.5s infinite;
    z-index: 10;
}

.scroll-indicator span {
    display: block;
    width: 28px;
    height: 46px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 14px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: #fff;
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-8px); }
    60% { transform: translateX(-50%) translateY(-4px); }
}

@keyframes scroll {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 28px; }
}

/* ── Sections ── */
section {
    padding: 100px 10%;
    position: relative;
}

.section-title {
    font-size: 3.2rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 12px;
    color: var(--deep-sapphire);
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.section-subtitle {
    text-align: center;
    color: var(--mist);
    font-size: 1.05rem;
    margin-bottom: 60px;
    font-weight: 400;
}

/* ── Invitation Section ── */
#invitation {
    background:
        radial-gradient(ellipse at 20% 0%, rgba(45, 109, 168, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 100%, rgba(232, 168, 48, 0.06) 0%, transparent 60%),
        linear-gradient(180deg, var(--warm-white) 0%, var(--cream) 100%);
}

.invitation-content {
    max-width: 820px;
    margin: 0 auto;
    text-align: left;
}

.invitation-content p {
    font-size: 1.15rem;
    line-height: 2;
    color: var(--slate);
    margin-bottom: 28px;
}

.invitation-content strong {
    color: var(--deep-sapphire);
    font-weight: 600;
}

.invitation-signature {
    text-align: left;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 2px solid rgba(232, 168, 48, 0.2);
    position: relative;
}

.invitation-signature::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--warm-amber), var(--rich-gold));
}

.invitation-signature p {
    font-size: 1rem !important;
    line-height: 1.7 !important;
    margin-bottom: 4px !important;
}

.invitation-quote {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--warm-amber);
    padding: 36px 40px;
    border-left: 4px solid var(--rich-gold);
    background: linear-gradient(135deg, rgba(232, 168, 48, 0.08) 0%, rgba(212, 146, 42, 0.04) 100%);
    margin-top: 48px;
    text-align: center;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    line-height: 1.5;
}

/* ── General Information ── */
#general-info {
    background: var(--warm-white);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    max-width: 840px;
    margin: 0 auto;
}

.info-card {
    background: #fff;
    padding: 44px 36px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(15, 26, 40, 0.06);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--vivid-blue), var(--rich-gold));
    transform: scaleX(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: left;
}

.info-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.info-card:hover::before {
    transform: scaleX(1);
}

.info-card-icon {
    width: 68px;
    height: 68px;
    margin: 0 auto 22px;
    background: linear-gradient(135deg, var(--vivid-blue), var(--deep-sapphire));
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(45, 109, 168, 0.25);
    transition: var(--transition);
}

.info-card:hover .info-card-icon {
    background: linear-gradient(135deg, var(--rich-gold), var(--warm-amber));
    box-shadow: 0 6px 20px rgba(232, 168, 48, 0.3);
    transform: scale(1.05);
}

.info-card-icon svg {
    width: 30px;
    height: 30px;
    fill: #fff;
}

.info-card h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--deep-sapphire);
}

.info-card p {
    color: var(--mist);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ── Main Topics Section ── */
#main-topics {
    background:
        radial-gradient(ellipse at 10% 90%, rgba(45, 109, 168, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 10%, rgba(198, 122, 40, 0.1) 0%, transparent 50%),
        linear-gradient(175deg, var(--ink) 0%, var(--charcoal) 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

#main-topics::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.015'%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

#main-topics .section-title {
    color: #fff;
}

#main-topics .section-subtitle {
    color: rgba(255, 255, 255, 0.5);
}

.topics-slogan {
    font-size: 2.6rem;
    text-align: center;
    color: var(--rich-gold);
    margin-bottom: 60px;
    font-style: italic;
    font-weight: 500;
    text-shadow: 0 0 60px rgba(232, 168, 48, 0.15);
}

.art-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin: 60px 0;
    flex-wrap: wrap;
}

.paint-brush {
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: float 3s ease-in-out infinite;
}

.paint-brush:nth-child(1) { animation-delay: 0s; }
.paint-brush:nth-child(2) { animation-delay: 0.3s; }
.paint-brush:nth-child(3) { animation-delay: 0.6s; }
.paint-brush:nth-child(4) { animation-delay: 0.9s; }
.paint-brush:nth-child(5) { animation-delay: 1.2s; }

.brush-tip {
    width: 30px;
    height: 60px;
    border-radius: 50% 50% 5px 5px;
}

.brush-handle {
    width: 12px;
    height: 100px;
    background: linear-gradient(to bottom, #8b5e3c, #c2865a);
    border-radius: 3px;
}

.paint-brush:nth-child(1) .brush-tip { background: var(--coral); }
.paint-brush:nth-child(2) .brush-tip { background: var(--bright-azure); }
.paint-brush:nth-child(3) .brush-tip { background: var(--rich-gold); }
.paint-brush:nth-child(4) .brush-tip { background: var(--violet); }
.paint-brush:nth-child(5) .brush-tip { background: var(--emerald); }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(-5deg); }
    50% { transform: translateY(-15px) rotate(5deg); }
}

.palette {
    width: 200px;
    height: 150px;
    background: linear-gradient(145deg, #a0714e, #7a5236);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    position: relative;
    margin: 0 40px;
    box-shadow: inset 0 -10px 20px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.3);
}

.palette::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 25px;
    width: 30px;
    height: 30px;
    background: var(--charcoal);
    border-radius: 50%;
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.5);
}

.paint-dot {
    position: absolute;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.paint-dot:nth-child(1) { background: var(--coral); top: 20px; right: 30px; }
.paint-dot:nth-child(2) { background: var(--bright-azure); top: 50px; right: 50px; }
.paint-dot:nth-child(3) { background: var(--rich-gold); top: 35px; right: 80px; }
.paint-dot:nth-child(4) { background: var(--violet); top: 70px; right: 25px; }
.paint-dot:nth-child(5) { background: var(--emerald); top: 80px; right: 60px; }

.topics-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.topic-item {
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.03);
    position: relative;
    overflow: hidden;
}

.topic-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: linear-gradient(180deg, var(--rich-gold), var(--warm-amber));
    transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 0 2px 2px 0;
}

.topic-item:hover {
    background: rgba(232, 168, 48, 0.08);
    border-color: rgba(232, 168, 48, 0.25);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.topic-item:hover::before {
    height: 100%;
}

.topic-item h4 {
    font-family: 'Cormorant Garamond', serif;
    color: var(--rich-gold);
    margin-bottom: 10px;
    font-size: 1.3rem;
    font-weight: 600;
}

.topic-item p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* ── Schedule Section ── */
#schedule {
    background:
        radial-gradient(ellipse at 80% 20%, rgba(232, 168, 48, 0.05) 0%, transparent 50%),
        linear-gradient(180deg, var(--cream) 0%, var(--warm-white) 100%);
}

.schedule-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 50px;
}

.schedule-tab {
    padding: 14px 36px;
    background: #fff;
    border: 2px solid rgba(45, 109, 168, 0.2);
    border-radius: var(--radius-xl);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    letter-spacing: 0.3px;
    color: var(--slate);
}

.schedule-tab:hover {
    border-color: var(--vivid-blue);
    color: var(--vivid-blue);
    box-shadow: 0 4px 16px rgba(45, 109, 168, 0.12);
}

.schedule-tab.active {
    background: linear-gradient(135deg, var(--vivid-blue), var(--deep-sapphire));
    border-color: transparent;
    color: #fff;
    box-shadow: 0 6px 24px rgba(45, 109, 168, 0.3);
}

.schedule-day {
    display: none;
    max-width: 900px;
    margin: 0 auto;
}

.schedule-day.active {
    display: block;
}

.day-header {
    text-align: center;
    margin-bottom: 40px;
}

.day-header h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--deep-sapphire);
    margin-bottom: 10px;
}

.day-header p {
    color: var(--mist);
    font-size: 1.05rem;
}

.day-header .venue {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--vivid-blue), var(--deep-sapphire));
    color: #fff;
    padding: 10px 24px;
    border-radius: var(--radius-xl);
    margin-top: 18px;
    font-weight: 500;
    font-size: 0.88rem;
    letter-spacing: 0.3px;
    box-shadow: 0 4px 16px rgba(45, 109, 168, 0.25);
}

.day-header .venue svg {
    width: 16px;
    height: 16px;
    fill: #fff;
}

.schedule-item {
    display: flex;
    padding: 26px 30px;
    background: #fff;
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(15, 26, 40, 0.04);
    position: relative;
    overflow: hidden;
}

.schedule-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--vivid-blue), var(--bright-azure));
    opacity: 0;
    transition: opacity var(--transition);
}

.schedule-item:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.schedule-item:hover::before {
    opacity: 1;
}

.schedule-time {
    min-width: 130px;
    font-weight: 700;
    color: var(--vivid-blue);
    font-size: 1rem;
    letter-spacing: 0.3px;
}

.schedule-content h4 {
    font-family: 'Cormorant Garamond', serif;
    color: var(--deep-sapphire);
    margin-bottom: 4px;
    font-size: 1.2rem;
    font-weight: 600;
}

.schedule-content p {
    color: var(--slate);
    font-size: 0.88rem;
    font-weight: 500;
    font-style: italic;
}

.schedule-break {
    background: linear-gradient(135deg, rgba(232, 168, 48, 0.06), rgba(212, 146, 42, 0.03));
    border-left: 3px solid var(--rich-gold);
}

.schedule-break h4 {
    color: var(--warm-amber) !important;
}

/* ── Speakers Section ── */
#speakers {
    background: var(--warm-white);
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
    max-width: 1000px;
    margin: 0 auto;
}

.speaker-card {
    text-align: center;
    padding: 32px 24px;
    transition: var(--transition);
    border-radius: var(--radius-md);
    background: transparent;
}

.speaker-card:hover {
    transform: translateY(-6px);
    background: #fff;
    box-shadow: var(--shadow-md);
}

.speaker-image {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--pearl), #e0e4ec);
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mist);
    transition: var(--transition);
    border: 3px solid transparent;
}

.speaker-card:hover .speaker-image {
    border-color: var(--bright-azure);
    box-shadow: 0 0 0 6px rgba(74, 154, 212, 0.12);
}

.speaker-image svg {
    width: 50px;
    height: 50px;
}

.host-card .speaker-image {
    background: linear-gradient(145deg, var(--vivid-blue), var(--deep-sapphire));
    color: #fff;
    box-shadow: 0 6px 24px rgba(45, 109, 168, 0.3);
}

.host-card:hover .speaker-image {
    border-color: var(--rich-gold);
    box-shadow: 0 0 0 6px rgba(232, 168, 48, 0.15), 0 6px 24px rgba(45, 109, 168, 0.3);
}

.speaker-card h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--deep-sapphire);
    margin-bottom: 4px;
}

.speaker-card .title {
    color: var(--warm-amber);
    font-weight: 600;
    font-size: 0.82rem;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.speaker-card p {
    color: var(--mist);
    font-size: 0.88rem;
}

/* ── Speaker Photo & Bio Link ── */
.speaker-has-photo {
    overflow: hidden;
    padding: 0;
    background: none;
    box-shadow: 0 4px 20px rgba(15, 26, 40, 0.18);
}

.speaker-has-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.speaker-card.has-photo:hover .speaker-has-photo {
    box-shadow: 0 6px 28px rgba(15, 26, 40, 0.25);
}

.speaker-bio-link {
    text-decoration: none;
    color: var(--deep-sapphire);
    cursor: pointer;
    transition: color var(--transition);
    border-bottom: 1.5px solid transparent;
}

.speaker-bio-link:hover {
    color: var(--warm-amber);
    border-bottom-color: var(--warm-amber);
}

/* ── Speaker Modal ── */
.speaker-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(15, 26, 40, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    justify-content: center;
    align-items: center;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.speaker-modal-overlay.active {
    display: flex;
    opacity: 1;
}

.speaker-modal {
    background: #fff;
    border-radius: var(--radius-lg);
    max-width: 720px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 30px 80px rgba(15, 26, 40, 0.3);
    animation: modalSlideUp 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalSlideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.speaker-modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--mist);
    cursor: pointer;
    transition: color var(--transition);
    z-index: 1;
    line-height: 1;
    padding: 4px 8px;
}

.speaker-modal-close:hover {
    color: var(--deep-sapphire);
}

.speaker-modal-header {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 36px 36px 0;
}

.speaker-modal-photo {
    width: 120px;
    height: 120px;
    min-width: 120px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 6px 24px rgba(15, 26, 40, 0.2);
    border: 3px solid var(--bright-azure);
}

.speaker-modal-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.speaker-modal-name h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--deep-sapphire);
    margin-bottom: 4px;
    line-height: 1.2;
}

.speaker-modal-name p {
    color: var(--warm-amber);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.speaker-modal-body {
    padding: 28px 36px 36px;
}

.speaker-modal-body p {
    font-size: 0.95rem;
    line-height: 1.85;
    color: var(--slate);
    margin-bottom: 16px;
}

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

@media (max-width: 768px) {
    .speaker-modal {
        max-height: 90vh;
        border-radius: var(--radius-md);
    }

    .speaker-modal-header {
        flex-direction: column;
        text-align: center;
        padding: 28px 24px 0;
    }

    .speaker-modal-photo {
        width: 100px;
        height: 100px;
        min-width: 100px;
    }

    .speaker-modal-name h3 {
        font-size: 1.5rem;
    }

    .speaker-modal-body {
        padding: 20px 24px 28px;
    }

    .speaker-modal-body p {
        font-size: 0.9rem;
    }
}

/* ── Contact Section ── */
#contact {
    background:
        radial-gradient(ellipse at 20% 80%, rgba(45, 109, 168, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(198, 122, 40, 0.1) 0%, transparent 50%),
        linear-gradient(175deg, var(--deep-sapphire) 0%, var(--ink) 100%);
    color: #fff;
}

#contact .section-title {
    color: #fff;
}

#contact .section-subtitle {
    color: rgba(255, 255, 255, 0.45);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 32px;
    color: var(--rich-gold);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 24px;
}

.contact-item-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: rgba(74, 154, 212, 0.12);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.contact-item:hover .contact-item-icon {
    background: rgba(232, 168, 48, 0.15);
    transform: scale(1.05);
}

.contact-item-icon svg {
    width: 22px;
    height: 22px;
    fill: var(--bright-azure);
    transition: fill var(--transition);
}

.contact-item:hover .contact-item-icon svg {
    fill: var(--rich-gold);
}

.contact-item-text p {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.82rem;
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.contact-item-text a {
    color: #fff;
    text-decoration: none;
    transition: color var(--transition);
    font-weight: 500;
}

.contact-item-text a:hover {
    color: var(--rich-gold);
}

/* ── Footer ── */
footer {
    background: var(--ink);
    color: rgba(255, 255, 255, 0.4);
    text-align: center;
    padding: 0 20px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-logo {
    background: #fff;
    padding: 28px 0;
    margin-bottom: 28px;
    margin-left: -20px;
    margin-right: -20px;
}

.footer-logo a {
    display: inline-block;
    transition: var(--transition);
}

.footer-logo a:hover {
    opacity: 0.8;
    transform: scale(0.98);
}

.footer-logo img {
    height: 120px;
}

.footer-content p {
    margin-bottom: 8px;
    font-size: 0.85rem;
    letter-spacing: 0.3px;
}

.footer-bottom {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.82rem;
}

.footer-bottom a {
    color: var(--bright-azure);
    text-decoration: none;
    transition: color var(--transition);
    font-weight: 500;
}

.footer-bottom a:hover {
    color: var(--rich-gold);
}

.heart {
    color: var(--coral);
}

/* ── Mobile Menu ── */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: #fff;
    transition: var(--transition);
    border-radius: 1px;
}

.navbar.scrolled .mobile-toggle span {
    background: var(--charcoal);
}

/* ── Responsive: Tablet ── */
@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
        position: absolute;
        right: 20px;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(15, 26, 40, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 28px;
        transform: translateX(-100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links a {
        color: #fff;
        font-size: 1.1rem;
        letter-spacing: 2px;
    }

    .navbar {
        padding: 15px 20px;
    }

    /* ── Mobile hero: show vertical poster + overlay text ── */
    .hero {
        min-height: 100vh;
        min-height: 100svh;
    }

    .hero-poster {
        object-position: center center;
    }

    /* Hero overlay stays hidden — the vertical poster has baked-in text */

    section {
        padding: 70px 6%;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .topics-slogan {
        font-size: 1.6rem;
    }

    .art-visual {
        gap: 15px;
    }

    .paint-brush .brush-handle {
        height: 60px;
    }

    .paint-brush .brush-tip {
        width: 20px;
        height: 40px;
    }

    .palette {
        width: 120px;
        height: 90px;
        margin: 20px;
    }

    .schedule-tabs {
        flex-direction: column;
        align-items: center;
    }

    .schedule-tab {
        width: 240px;
        text-align: center;
    }

    .schedule-item {
        flex-direction: column;
    }

    .schedule-time {
        margin-bottom: 8px;
    }

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

    .speakers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .speaker-card {
        padding: 20px 16px;
    }

    .invitation-quote {
        font-size: 1.3rem;
        padding: 28px 24px;
    }
}

/* ── Responsive: Small Mobile ── */
@media (max-width: 480px) {
    .speakers-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.8rem;
    }

    section {
        padding: 56px 5%;
    }
}