@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Playfair+Display:wght@700&display=swap');

:root {
    --bg-deep: #0b1533;
    --bg-glow: #15b5ff;
    --card: rgba(20, 27, 57, 0.8);
    --accent: #ff6b6b;
    --accent-2: #7cffc0;
    --accent-3: #f9d85e;
    --text: #f8fafc;
    --muted: #cbd5f5;
    --shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
    --radius: 16px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
    color: var(--text);
    background: var(--bg-deep);
    position: relative;
    overflow-x: hidden;
}

.no-scroll {
    overflow: hidden;
}

.bg-gradient {
    position: fixed;
    inset: -10% -10% auto -10%;
    height: 60vh;
    background: radial-gradient(circle at 20% 20%, rgba(124, 255, 192, 0.35), transparent 38%),
    radial-gradient(circle at 80% 10%, rgba(249, 216, 94, 0.35), transparent 45%),
    radial-gradient(circle at 40% 70%, rgba(255, 107, 107, 0.28), transparent 45%),
    linear-gradient(135deg, #0b1330 0%, #0d1a46 45%, #0b1330 100%);
    z-index: -2;
}

.bg-bubbles {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 10% 80%, rgba(14, 165, 233, 0.16), transparent 30%),
    radial-gradient(circle at 90% 70%, rgba(34, 197, 94, 0.12), transparent 28%);
    z-index: -1;
}

.snow,
.snow::before,
.snow::after {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-repeat: repeat;
    background-size: 300px 300px;
    z-index: 0;
}

.snow {
    background-image:
        radial-gradient(3px 3px at 20px 30px, rgba(255,255,255,0.85) 50%, transparent 60%),
        radial-gradient(4px 4px at 100px 120px, rgba(255,255,255,0.8) 50%, transparent 60%),
        radial-gradient(3px 3px at 200px 80px, rgba(255,255,255,0.75) 50%, transparent 60%),
        radial-gradient(5px 5px at 240px 200px, rgba(255,255,255,0.7) 50%, transparent 60%);
    animation: snow 10s linear infinite;
    opacity: 0.5;
}

.snow::before {
    content: "";
    background-image:
        radial-gradient(3px 3px at 50px 150px, rgba(255,255,255,0.7) 50%, transparent 60%),
        radial-gradient(4px 4px at 250px 200px, rgba(255,255,255,0.65) 50%, transparent 60%),
        radial-gradient(3px 3px at 150px 40px, rgba(255,255,255,0.6) 50%, transparent 60%),
        radial-gradient(5px 5px at 300px 260px, rgba(255,255,255,0.55) 50%, transparent 60%);
    animation: snow 15s linear infinite;
    opacity: 0.38;
}

.snow::after {
    content: "";
    background-image:
        radial-gradient(3px 3px at 80px 60px, rgba(255,255,255,0.6) 50%, transparent 60%),
        radial-gradient(4px 4px at 180px 220px, rgba(255,255,255,0.55) 50%, transparent 60%),
        radial-gradient(3px 3px at 260px 180px, rgba(255,255,255,0.5) 50%, transparent 60%),
        radial-gradient(5px 5px at 320px 120px, rgba(255,255,255,0.5) 50%, transparent 60%);
    animation: snow 12s linear infinite;
    opacity: 0.32;
}

@keyframes snow {
    0% { transform: translateY(-20px); }
    100% { transform: translateY(80px); }
}

.page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 64px 24px 96px;
}

.countdown {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(120deg, rgba(255, 107, 107, 0.25), rgba(124, 255, 192, 0.25));
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    padding: 12px 16px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(6px);
    font-weight: 700;
    color: var(--text);
}

.countdown #countdown-value {
    font-size: 16px;
    letter-spacing: 0.02em;
}

.hero {
    background: var(--card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.hero-top {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 28px;
    align-items: center;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 13px;
    color: var(--accent-2);
    margin: 0 0 10px;
    font-weight: 700;
}

h1 {
    font-family: 'Playfair Display', 'Space Grotesk', serif;
    font-size: clamp(28px, 4vw, 42px);
    margin: 0 0 10px;
    line-height: 1.2;
}

.lede {
    margin: 0 0 16px;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}

.cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: 12px;
    background: linear-gradient(120deg, rgba(255, 107, 107, 0.95), rgba(249, 216, 94, 0.95));
    color: #0b1533;
    text-decoration: none;
    font-weight: 800;
    letter-spacing: 0.01em;
    box-shadow: 0 12px 30px rgba(255, 107, 107, 0.35);
    transition: transform 140ms ease, box-shadow 140ms ease;
}

.cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(255, 107, 107, 0.45);
}

.ghost-btn {
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    font-weight: 700;
    cursor: pointer;
    transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.ghost-btn:hover {
    transform: translateY(-1px);
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.12);
}

.icon-btn {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    padding: 10px;
}

.status {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 999px;
    background: linear-gradient(120deg, rgba(124, 255, 192, 0.18), rgba(21, 181, 255, 0.25));
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text);
    font-weight: 600;
}

.hero-art {
    position: relative;
    display: grid;
    place-items: center;
}

.hero-art img {
    width: 100%;
    max-width: 360px;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.25));
}

.floating {
    animation: float 6s ease-in-out infinite;
}

.floating.delay {
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.calendar {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 16px;
}

.info-card {
    margin-top: 18px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    padding: 22px 24px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(8px);
}

.info-header {
    display: flex;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
}

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

.steps {
    margin: 12px 0 0;
    padding-left: 20px;
    color: var(--muted);
    line-height: 1.6;
}

.supplies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
    margin-top: 12px;
    color: var(--muted);
}

.supply-block {
    padding: 14px;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.supply-block h4 {
    margin: 0;
    color: var(--text);
    font-size: 16px;
}

.supply-block .days {
    color: var(--accent-3);
    font-weight: 700;
    margin: 4px 0 8px;
}

.supply-block ul {
    margin: 0;
    padding-left: 18px;
}

.door {
    position: relative;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    padding: 24px 16px;
    color: var(--text);
    font-size: 32px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
    overflow: hidden;
}

.door::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255, 107, 107, 0.16), transparent 35%),
    radial-gradient(circle at 80% 80%, rgba(124, 255, 192, 0.16), transparent 35%),
    radial-gradient(circle at 50% 50%, rgba(249, 216, 94, 0.12), transparent 35%);
    z-index: 0;
}

.door span {
    position: relative;
    z-index: 1;
}

.door:hover {
    transform: translateY(-4px) scale(1.01);
    border-color: rgba(255, 255, 255, 0.16);
    box-shadow: 0 35px 80px rgba(0, 0, 0, 0.45);
}

.door.locked {
    color: #7c88a5;
    border-color: rgba(255, 255, 255, 0.06);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    filter: grayscale(0.35);
    opacity: 0.82;
    cursor: pointer;
}

.door.locked::before {
    content: "❄︎";
    position: absolute;
    left: 12px;
    top: 10px;
    font-size: 18px;
    color: rgba(255, 255, 255, 0.4);
}

.door.current {
    border-color: rgba(124, 255, 192, 0.9);
    box-shadow: 0 25px 60px rgba(124, 255, 192, 0.25);
}

.door.open {
    border-color: rgba(255, 107, 107, 0.9);
    box-shadow: 0 25px 60px rgba(255, 107, 107, 0.3);
}

.challenge {
    margin-top: 32px;
    background: var(--card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.challenge-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

h2 {
    margin: 0;
    font-size: clamp(22px, 3vw, 30px);
}

.challenge-text {
    color: var(--muted);
    line-height: 1.6;
    margin: 8px 0 12px;
}

.badge {
    padding: 10px 14px;
    border-radius: 999px;
    background: linear-gradient(120deg, rgba(124, 255, 192, 0.28), rgba(21, 181, 255, 0.28));
    color: #0b1533;
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

h3 {
    margin: 16px 0 8px;
    font-size: 16px;
    letter-spacing: 0.02em;
}

ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.6;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    max-width: 320px;
    padding: 14px 16px;
    border-radius: 14px;
    background: linear-gradient(120deg, rgba(255, 107, 107, 0.95), rgba(249, 216, 94, 0.9));
    color: #fff;
    font-weight: 600;
    box-shadow: var(--shadow);
    transform: translateY(150%);
    transition: transform 180ms ease, opacity 180ms ease;
    opacity: 0;
}

.toast.visible {
    transform: translateY(0);
    opacity: 1;
}

.disclaimer {
    position: fixed;
    inset: 0;
    background: rgba(0, 7, 30, 0.75);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    z-index: 30;
}

.disclaimer-card {
    max-width: 520px;
    width: 100%;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04));
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 35px 80px rgba(0, 0, 0, 0.4);
}

.disclaimer-list {
    margin: 12px 0 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.6;
}

.disclaimer-actions {
    margin-top: 18px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.hidden {
    display: none;
}

@media (max-width: 720px) {
    .hero, .challenge {
        padding: 22px;
    }

    .calendar {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }

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