:root {
    --bg: #0b0e13;
    --panel: rgba(255, 255, 255, .06);
    --panel2: rgba(255, 255, 255, .09);
    --text: rgba(255, 255, 255, .90);
    --muted: rgba(255, 255, 255, .65);
    --brand: #ff6a00;
    --brand2: #ff2d2d;
    --line: rgba(255, 255, 255, .10);
    --shadow: 0 18px 40px rgba(0, 0, 0, .35);
    --radius: 18px;
}

html {
    scroll-behavior: smooth;
}

body {
    background: radial-gradient(1200px 700px at 20% -10%, rgba(255, 106, 0, .18), transparent 60%),
        radial-gradient(900px 600px at 90% 0%, rgba(255, 45, 45, .14), transparent 55%),
        radial-gradient(900px 600px at 50% 110%, rgba(255, 106, 0, .10), transparent 55%),
        var(--bg);
    color: var(--text);
}

/* Navbar */
.navbar {
    backdrop-filter: blur(10px);
    background: rgba(11, 14, 19, .72);
    border-bottom: 1px solid var(--line);
}

.navbar .nav-link {
    color: var(--muted);
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
    color: #fff;
}

.brand-badge {
    background: linear-gradient(90deg, var(--brand), var(--brand2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 800;
    letter-spacing: .4px;
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    font-weight: 800;
    letter-spacing: .2px;
}

.section-kicker {
    color: var(--muted);
    max-width: 62ch;
}

/* Cards */
.glass {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.glass-2 {
    background: var(--panel2);
}

.icon-pill {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(255, 106, 0, .18);
    border: 1px solid rgba(255, 106, 0, .25);
    color: #ffd2b0;
}

/* Buttons */
.btn-brand {
    background: linear-gradient(90deg, var(--brand), var(--brand2));
    border: 0;
    color: #fff;
    box-shadow: 0 12px 30px rgba(255, 106, 0, .18);
}

.btn-brand:hover {
    opacity: .92;
    color: #fff;
}

.btn-outline-light {
    border-color: rgba(255, 255, 255, .25);
    color: #fff;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, .08);
}

/* Hero */
.hero {
    padding-top: 110px;
    padding-bottom: 70px;
}

.hero h1 {
    font-weight: 900;
    letter-spacing: -.5px;
    line-height: 1.02;
}

.hero .lead {
    color: var(--muted);
    max-width: 70ch;
}

.hero-art {
    min-height: 360px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background:
        radial-gradient(400px 260px at 30% 30%, rgba(255, 106, 0, .35), transparent 60%),
        radial-gradient(380px 260px at 80% 20%, rgba(255, 45, 45, .25), transparent 55%),
        linear-gradient(180deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .03)),
        url("https://images.unsplash.com/photo-1544025162-d76694265947?auto=format&fit=crop&w=1400&q=80");
    background-size: cover;
    background-position: center;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.hero-art::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(11, 14, 19, .85), rgba(11, 14, 19, .35));
}

.hero-badges {
    position: absolute;
    inset: auto 16px 16px 16px;
    z-index: 2;
}

.badge-soft {
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .12);
    color: rgba(255, 255, 255, .85);
    padding: .55rem .75rem;
    border-radius: 999px;
    display: inline-flex;
    gap: .5rem;
    align-items: center;
}

/* Full-width hero video + countdown */
.hero-video-section {
    padding: 0 0 80px;
}

.hero-video-wrap {
    width: 100%;
    position: relative;
}

.hero-video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 0;
}

.tarih-bilgisi {
    position: absolute;
    left: 50%;
    bottom: 50px;
    transform: translateX(-50%);
    z-index: 2;
    width: min(90%, 720px);
    padding: 16px 20px;
    border-radius: var(--radius);
    background: rgba(11, 14, 19, .55);
    border: 1px solid rgba(255, 255, 255, .12);
    backdrop-filter: blur(6px);
}

/* List styling */
.list-check li {
    margin-bottom: .55rem;
    color: rgba(255, 255, 255, .78);
}

.list-check li i {
    color: #ffb37a;
}

/* Sponsorship cards */
.sponsor-card {
    height: 100%;
    transition: transform .18s ease, background .18s ease;
}

.sponsor-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, .085);
}

.hr-soft {
    border-color: var(--line);
    opacity: 1;
}

/* Footer */
footer {
    border-top: 1px solid var(--line);
    background: rgba(0, 0, 0, .18);
}

/* Small helper */
.text-muted-2 {
    color: var(--muted) !important;
}

.anchor-offset {
    scroll-margin-top: 90px;
}

/* Section Parallax */
.section-parallax {
    position: relative;
    overflow: hidden;
}

.section-parallax-bg {
    position: absolute;
    top: -20%;
    left: 0;
    width: 100%;
    height: 140%;
    background-size: cover;
    background-position: center;
    will-change: transform;
    z-index: -1;
    opacity: 0.15;
    /* Subtle background */
}

.section-parallax-blur {
    filter: blur(6px);
}

.section-parallax-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, var(--bg) 0%, transparent 50%, var(--bg) 100%);
    z-index: 0;
}