/* Lumen Stream — a cinema foyer: dark, warm, one way in. */
:root {
	--bg: #07070c;
	--surface: #12121a;
	--ink: #f5f3f7;
	--muted: #9d9aa8;
	--line: rgba(245, 243, 247, 0.1);
	--accent: #ff5a6e;
	--on-accent: #fff;
	--font-display: "Sora", system-ui, sans-serif;
	--font-body: "Inter", system-ui, sans-serif;
	--display-weight: 700;
	--display-tracking: -0.035em;
	--radius: 14px;
	--pad: clamp(16px, 4vw, 56px);
}

h1, h2, h3 { font-family: var(--font-display); margin: 0; letter-spacing: -0.03em; }
h2 { font-size: clamp(20px, 2vw, 26px); font-weight: 600; }

.nav { position: fixed; inset: 0 0 auto; z-index: 30; background: linear-gradient(180deg, rgba(7, 7, 12, 0.8), transparent); transition: background 0.3s; }
.nav.is-scrolled { background: rgba(7, 7, 12, 0.92); backdrop-filter: blur(16px); }
.nav-inner { display: flex; align-items: center; gap: 40px; height: 72px; padding: 0 var(--pad); }
.logo { font-family: var(--font-display); font-weight: 800; font-size: 26px; letter-spacing: -0.05em; text-decoration: none; }
.logo span { color: var(--accent); font-size: 0.5em; vertical-align: 0.9em; margin-left: 2px; }
.nav-links { display: flex; gap: 26px; font-size: 15px; flex: 1; }
.nav-links a { text-decoration: none; color: var(--muted); transition: color 0.2s; }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--ink); }
.nav-end { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.signin { text-decoration: none; font-size: 15px; color: var(--muted); }
.signin:hover { color: var(--ink); }
@media (max-width: 860px) { .nav-links { display: none; } }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 11px 20px; border-radius: 10px; border: 0; background: var(--accent); color: var(--on-accent); font-weight: 600; font-size: 15px; text-decoration: none; transition: transform 0.2s, background 0.2s, box-shadow 0.3s; white-space: nowrap; }
.btn:hover { background: #ff7385; transform: translateY(-1px); box-shadow: 0 10px 30px -10px rgba(255, 90, 110, 0.7); }
.btn-lg { padding: 0 28px; min-height: 58px; font-size: 17px; }

.hero { position: relative; min-height: 92vh; display: flex; align-items: flex-end; padding: 120px var(--pad) clamp(56px, 8vw, 96px); overflow: hidden; }
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 60%; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(0deg, var(--bg) 2%, rgba(7, 7, 12, 0.35) 45%, rgba(7, 7, 12, 0.2)), linear-gradient(90deg, rgba(7, 7, 12, 0.85), transparent 65%); }
.hero-copy { position: relative; max-width: 720px; }
.now { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 14px; color: rgba(245, 243, 247, 0.8); margin: 0 0 22px; }
.now span { padding: 5px 10px; border-radius: 6px; background: rgba(255, 255, 255, 0.12); backdrop-filter: blur(8px); font-weight: 500; color: #fff; }
.hero h1 { font-size: clamp(48px, 7vw, 104px); font-weight: 800; line-height: 0.95; letter-spacing: -0.05em; }
.lede { font-size: clamp(17px, 1.5vw, 20px); color: rgba(245, 243, 247, 0.78); max-width: 46ch; margin: 24px 0 32px; }
.signup { display: flex; gap: 8px; flex-wrap: wrap; max-width: 620px; }
.signup label { flex: 1; min-width: 240px; }
.signup input { width: 100%; min-height: 58px; padding: 0 20px; border-radius: 10px; border: 1px solid rgba(255, 255, 255, 0.2); background: rgba(20, 20, 28, 0.7); backdrop-filter: blur(10px); color: #fff; font-size: 17px; }
.signup input:focus { outline: none; border-color: var(--accent); }
.signup .sent { display: none; width: 100%; margin: 6px 0 0; color: #7ff0b2; }
.signup.is-sent .sent { display: block; }

.row { padding: 24px var(--pad) 32px; }
.row-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 18px; }
.row-head a { font-size: 14px; color: var(--muted); text-decoration: none; }
.row-head a:hover { color: var(--ink); }

.poster { position: relative; display: block; border-radius: var(--radius); overflow: hidden; aspect-ratio: 2 / 3; background: var(--surface); text-decoration: none; transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1), box-shadow 0.35s; }
.poster img { width: 100%; height: 100%; object-fit: cover; }
.poster::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0, 0, 0, 0.75), transparent 45%); }
.poster:hover { transform: scale(1.04); box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.8), 0 0 0 2px rgba(255, 255, 255, 0.7); z-index: 2; }
.p-info { position: absolute; left: 14px; right: 14px; bottom: 14px; z-index: 1; display: grid; gap: 2px; }
.p-title { font-family: var(--font-display); font-weight: 700; font-size: clamp(16px, 1.5vw, 21px); letter-spacing: -0.03em; line-height: 1.1; text-transform: uppercase; }
.p-genre { font-size: 12px; color: rgba(255, 255, 255, 0.7); }

.top { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.top li { display: grid; grid-template-columns: 0.55fr 1fr; align-items: end; }
.rank { font-family: var(--font-display); font-weight: 800; font-size: clamp(90px, 11vw, 190px); line-height: 0.78; letter-spacing: -0.08em; color: var(--bg); -webkit-text-stroke: 2px rgba(245, 243, 247, 0.45); margin-right: -12px; z-index: 1; position: relative; }
@media (max-width: 1000px) { .top { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; } .top li { flex: none; width: 240px; scroll-snap-align: start; } }

.wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
@media (max-width: 1000px) { .wall { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 520px) { .wall { grid-template-columns: repeat(2, 1fr); } }

.feature { padding: 48px var(--pad); }
.feature-card { position: relative; display: grid; grid-template-columns: 300px 1fr; gap: clamp(24px, 4vw, 56px); align-items: center; padding: clamp(24px, 3vw, 40px); border-radius: 24px; overflow: hidden; background: radial-gradient(80% 120% at 0% 50%, rgba(79, 111, 179, 0.4), transparent 60%), var(--surface); border: 1px solid var(--line); }
.feature-card img { border-radius: var(--radius); box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.8); }
.badge { font-size: 13px; font-weight: 600; color: var(--accent); }
.feature h2 { font-size: clamp(40px, 5vw, 72px); font-weight: 800; letter-spacing: -0.05em; margin: 12px 0 16px; text-transform: uppercase; line-height: 0.95; }
.feature-copy p { color: var(--muted); font-size: 17px; max-width: 52ch; margin: 0 0 20px; }
.facts { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0 0 28px; font-size: 13px; }
.facts li { padding: 5px 10px; border: 1px solid var(--line); border-radius: 6px; color: var(--muted); }
@media (max-width: 760px) { .feature-card { grid-template-columns: 1fr; } .feature-card img { max-width: 220px; } }

.channels { padding: 48px var(--pad); }
.chan { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(8, 1fr); gap: 12px; }
.chan li { display: flex; align-items: baseline; justify-content: center; gap: 1px; padding: 28px 12px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); font-family: var(--font-display); font-size: 19px; letter-spacing: -0.03em; transition: background 0.25s; }
.chan li:hover { background: #1b1b26; }
.chan span { color: var(--muted); font-weight: 400; }
@media (max-width: 1000px) { .chan { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 520px) { .chan { grid-template-columns: repeat(2, 1fr); } }

.faq { padding: clamp(56px, 8vw, 96px) var(--pad); }
.faq-inner { max-width: 820px; margin: 0 auto; }
.faq h2 { font-size: clamp(32px, 3.6vw, 48px); font-weight: 700; margin-bottom: 28px; text-align: center; }
details { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 4px; font-size: 18px; font-weight: 500; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 26px; font-weight: 300; color: var(--muted); transition: transform 0.25s; }
details[open] summary::after { transform: rotate(45deg); }
details p { margin: 0 4px 22px; color: var(--muted); max-width: 64ch; }

.join { padding: clamp(56px, 8vw, 110px) var(--pad); text-align: center; background: radial-gradient(60% 100% at 50% 100%, rgba(255, 90, 110, 0.22), transparent 70%); }
.join h2 { font-size: clamp(40px, 5.6vw, 80px); font-weight: 800; letter-spacing: -0.05em; margin-bottom: 32px; }
.join .signup { margin: 0 auto; }

.foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding: 28px var(--pad) 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.foot .logo { font-size: 20px; color: var(--ink); }
.foot a { color: var(--ink); }

.study .cs-end { background: radial-gradient(80% 140% at 100% 100%, rgba(255, 90, 110, 0.3), transparent 60%), var(--surface); color: var(--ink); border: 1px solid var(--line); }
.study .cs-end a { border-radius: 10px; }