:root {
    --bg: #1a1a1a;
    --bg-soft: #262626;
    --surface: #2f2f2f;
    --surface-alt: #202020;
    --text: #f7f7f7;
    --muted: #d6d6d6;
    --line: rgba(255, 255, 255, 0.14);
    --brand-red: #ed1c24;
    --brand-orange: #f15a24;
    --brand-amber: #f7931e;
    --brand-sand: #c69c6d;
    --radius: 18px;
    --radius-sm: 12px;
    --shadow: 0 18px 36px rgba(0, 0, 0, 0.34);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: radial-gradient(circle at 20% 8%, rgba(241, 90, 36, 0.22), transparent 30%),
    radial-gradient(circle at 78% 0%, rgba(237, 28, 36, 0.18), transparent 28%),
    var(--bg);
    color: var(--text);
    font-family: "Open Sans", sans-serif;
    line-height: 1.6;
}

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

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

.container {
    width: min(1140px, 92vw);
    margin: 0 auto;
}

.kicker {
    margin: 0 0 12px;
    color: var(--brand-amber);
    font-family: "Source Code Pro", monospace;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.82rem;
}

h1,
h2,
h3,
h4 {
    margin: 0;
    font-family: "Arvo", serif;
    letter-spacing: -0.02em;
    line-height: 1.14;
}

h1 {
    font-size: clamp(2rem, 5.2vw, 4.4rem);
}

h2 {
    font-size: clamp(1.5rem, 3.2vw, 2.6rem);
}

.lead {
    max-width: 700px;
    color: #f2f2f2;
    margin: 16px 0 0;
    font-size: clamp(1rem, 1.8vw, 1.2rem);
}

.section {
    padding: 84px 0;
}

.section.alt {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0));
}

.section-head {
    margin-bottom: 24px;
}

.section-head p {
    margin-top: 10px;
    color: var(--muted);
}

.section-head.center {
    text-align: center;
}

.center {
    text-align: center;
}

.mt-24 {
    margin-top: 24px;
}

.mt-32 {
    margin-top: 32px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 99;
    backdrop-filter: blur(9px);
    background: rgba(20, 20, 20, 0.78);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 84px;
    gap: 18px;
}

.brand img {
    width: 220px;
}

.site-nav {
    display: flex;
    gap: 18px;
    align-items: center;
    font-weight: 700;
    font-size: 0.93rem;
}

.site-nav a {
    color: #f0f0f0;
}

.site-nav a:hover,
.site-nav a.active {
    color: var(--brand-amber);
}

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: transparent;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    margin: 6px 0;
    background: #fff;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid transparent;
    padding: 12px 22px;
    font-weight: 800;
    transition: all 0.24s ease;
}

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

.btn-primary,
.btn-nav {
    color: #fff;
    background: linear-gradient(120deg, var(--brand-red), var(--brand-orange));
    box-shadow: 0 8px 24px rgba(241, 90, 36, 0.3);
}

.btn-ghost {
    border-color: rgba(255, 255, 255, 0.42);
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.hero-section {
    position: relative;
    overflow: hidden;
    padding: 90px 0 82px;
}

.hero-backdrop {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(115deg, rgba(18, 18, 18, 0.92), rgba(18, 18, 18, 0.62) 55%, rgba(237, 28, 36, 0.24)),
    url("../images/hero-2026.jpg");
    background-size: cover, cover;
    background-position: center, center 36%;
    background-repeat: no-repeat, no-repeat;
    transform: scale(1.02);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h1 span {
    color: var(--brand-amber);
}

.hero-meta {
    margin-top: 24px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.hero-meta div {
    border: 1px solid var(--line);
    background: rgba(20, 20, 20, 0.56);
    border-radius: var(--radius-sm);
    padding: 12px;
}

.hero-meta small {
    color: #d8d8d8;
    font-family: "Source Code Pro", monospace;
}

.hero-meta strong {
    display: block;
    margin-top: 4px;
    color: #fff;
}

.hero-actions {
    margin-top: 26px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.video-highlight {
    margin-top: 14px;
}

.video-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    color: #1a1a1a;
    background: linear-gradient(120deg, #f7931e, #fbb03b);
    border-radius: 999px;
    padding: 12px 20px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    box-shadow: 0 10px 24px rgba(251, 176, 59, 0.35);
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.video-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(251, 176, 59, 0.42);
}

.video-link i {
    font-size: 1.16rem;
}

.countdown-section {
    margin-top: -24px;
}

.panel {
    padding: 26px;
    border-radius: var(--radius);
    border: 1px solid rgba(247, 147, 30, 0.5);
    background: linear-gradient(135deg, rgba(241, 90, 36, 0.18), rgba(26, 26, 26, 0.95) 60%);
    box-shadow: var(--shadow);
}

.panel p {
    margin: 8px 0 0;
    color: var(--muted);
}

.countdown {
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.count-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    text-align: center;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
}

.count-card span {
    display: block;
    font-weight: 800;
    font-size: clamp(1.6rem, 3vw, 2.3rem);
}

.count-card small {
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    font-size: 0.72rem;
}

.split {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 24px;
    align-items: center;
}

.split.reverse {
    grid-template-columns: 0.95fr 1.05fr;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.stats-grid article {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 14px;
    background: var(--surface-alt);
}

.stats-grid strong {
    display: block;
    font-size: 1.8rem;
    color: var(--brand-amber);
}

.stats-grid span {
    color: var(--muted);
    font-size: 0.92rem;
}

.talks-summary {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: linear-gradient(120deg, rgba(241, 90, 36, 0.16), rgba(32, 32, 32, 0.95));
    padding: 20px;
}

.talks-summary p {
    margin: 0;
    color: #f0f0f0;
}

.image-card {
    border-radius: var(--radius);
    border: 1px solid var(--line);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.program-coming-soon {
    border: 1px solid rgba(247, 147, 30, 0.42);
    border-radius: var(--radius-sm);
    background: linear-gradient(120deg, rgba(237, 28, 36, 0.18), rgba(26, 26, 26, 0.95));
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.program-coming-soon i {
    font-size: 1.2rem;
    color: var(--brand-amber);
}

.program-coming-soon p {
    margin: 0;
    color: #efefef;
}

.location-teaser {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface-alt);
}

.location-content {
    padding: 18px;
}

.location-content h3 {
    font-size: 1.28rem;
}

.location-content p {
    color: var(--muted);
    margin: 10px 0 14px;
}

.sponsors-section {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sponsor-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.sponsor-grid.support {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 620px;
    margin: 0 auto;
}

.sponsor-grid a,
.sponsor-placeholder-card {
    min-height: 128px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #161616;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    overflow: hidden;
}

.sponsor-placeholder-card {
    border: 0;
}

.sponsor-grid img,
.sponsor-placeholder-card img {
    width: 160%;
    max-width: none;
    height: 100px;
    object-fit: contain;
}

.sponsor-grid img[src$="em-breve.svg"] {
    width: 100%;
    height: 84px;
}

.page-hero {
    padding: 86px 0 56px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(120deg, rgba(241, 90, 36, 0.18), rgba(26, 26, 26, 0.98) 55%);
}

.home-gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.home-gallery-grid img {
    width: 100%;
    height: 190px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--line);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.gallery-grid a {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--line);
    min-height: 170px;
    display: block;
}

.gallery-grid img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-grid a:hover img {
    transform: scale(1.06);
}

.location-layout {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 16px;
    align-items: start;
}

.location-map {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.location-info {
    display: grid;
    gap: 10px;
}

.info-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface-alt);
    padding: 16px;
}

.info-card h3 {
    font-size: 1.04rem;
    display: flex;
    gap: 8px;
    align-items: center;
    color: var(--brand-amber);
}

.info-card p {
    margin: 8px 0 0;
    color: var(--muted);
}

.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: #151515;
    margin-top: 30px;
}

.footer-grid {
    padding: 34px 0;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 20px;
}

.footer-logo {
    width: 170px;
}

.footer-grid p {
    color: var(--muted);
}

.footer-grid h4 {
    margin-bottom: 10px;
    color: var(--brand-amber);
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 999px;
}

.social-links a:hover {
    color: var(--brand-amber);
    border-color: rgba(247, 147, 30, 0.6);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 14px 0;
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    color: #bebebe;
    font-size: 0.9rem;
}

.reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: all 0.7s ease;
}

.reveal.in-view {
    opacity: 1;
    transform: none;
}

@media (max-width: 1024px) {
    .home-gallery-grid,
    .gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sponsor-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

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

    .site-nav {
        position: absolute;
        top: calc(100% + 10px);
        left: 4vw;
        right: 4vw;
        background: #202020;
        border: 1px solid var(--line);
        border-radius: 12px;
        box-shadow: var(--shadow);
        display: grid;
        gap: 12px;
        padding: 16px;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-8px);
        transition: all 0.22s ease;
    }

    .site-nav.is-open {
        opacity: 1;
        pointer-events: auto;
        transform: none;
    }

    .split,
    .location-layout,
    .footer-grid,
    .hero-meta,
    .countdown {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 66px 0;
    }

    .page-hero {
        padding-top: 70px;
    }
}

@media (max-width: 560px) {
    .home-gallery-grid,
    .gallery-grid,
    .sponsor-grid,
    .sponsor-grid.support {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        gap: 10px;
    }
}