/* ═══════════════════════════════════════════════════════════════
   Summer Academy — "NOVA"  ·  dark, kinetic, modern
   aurora gradients · neon sun · glassmorphism · big kinetic type
   ═══════════════════════════════════════════════════════════════ */

:root {
  --bg: #080b16;
  --bg-2: #0c1122;
  --panel: rgba(255,255,255,0.045);
  --panel-brd: rgba(255,255,255,0.10);
  --ink: #eef2ff;
  --ink-soft: #9aa6c4;
  --ink-dim: #5f6b8a;

  --sun: #ffc21f;
  --sun-2: #ff9d2e;
  --blue: #43b8ff;
  --blue-2: #2f7bf6;
  --coral: #ff6b4a;
  --mint: #34e0c0;
  --violet: #9b7bff;

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --container: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--sun); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--sun); color: #10131f; }

.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; position: relative; z-index: 1; }
.section { padding-block: clamp(4.5rem, 9vw, 8rem); position: relative; }

/* ── Aurora background ───────────────────────────────── */
.aurora { position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; background: radial-gradient(120% 80% at 50% -10%, #12183300 40%, #0810160 100%), var(--bg); }
.aurora span { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; will-change: transform; }
.aurora .a1 { width: 46vw; height: 46vw; background: #1d5cff; top: -12vh; left: -8vw; animation: drift1 24s ease-in-out infinite; }
.aurora .a2 { width: 40vw; height: 40vw; background: #ff9d2e; top: 20vh; right: -10vw; opacity: 0.35; animation: drift2 30s ease-in-out infinite; }
.aurora .a3 { width: 42vw; height: 42vw; background: #34e0c0; bottom: -16vh; left: 12vw; opacity: 0.3; animation: drift1 28s ease-in-out infinite reverse; }
.aurora .a4 { width: 38vw; height: 38vw; background: #9b7bff; bottom: 4vh; right: 6vw; opacity: 0.3; animation: drift2 34s ease-in-out infinite reverse; }
@keyframes drift1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(6vw,4vh) scale(1.15); } }
@keyframes drift2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-5vw,5vh) scale(1.12); } }
.grain { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.4; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E"); }

/* ── Custom cursor glow ──────────────────────────────── */
.cursor { position: fixed; top: 0; left: 0; width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--sun); transform: translate(-50%,-50%); pointer-events: none; z-index: 9998; transition: width .25s, height .25s, background .25s, border-color .25s; mix-blend-mode: screen; }
.cursor.grow { width: 60px; height: 60px; background: rgba(255,194,31,0.12); border-color: transparent; }
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }

/* ── Scroll progress ─────────────────────────────────── */
.progress { position: fixed; top: 0; left: 0; height: 3px; width: 100%; transform-origin: 0 50%; transform: scaleX(var(--p,0)); background: linear-gradient(90deg, var(--sun), var(--coral), var(--blue)); z-index: 100; }

/* ── Preloader ───────────────────────────────────────── */
.loader { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; background: var(--bg); transition: opacity .7s var(--ease), visibility .7s; }
.loader.done { opacity: 0; visibility: hidden; }
.loader__orb { width: 74px; height: 74px; border-radius: 50%; background: radial-gradient(circle at 34% 30%, var(--sun), var(--sun-2)); box-shadow: 0 0 60px 6px rgba(255,157,46,.55); animation: pulse-orb 1.4s var(--ease) infinite; }
@keyframes pulse-orb { 0%,100% { transform: scale(.86); box-shadow: 0 0 40px 2px rgba(255,157,46,.4); } 50% { transform: scale(1.05); box-shadow: 0 0 80px 12px rgba(255,157,46,.7); } }

/* ── Nav ─────────────────────────────────────────────── */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 90; display: flex; align-items: center; gap: 2rem; padding: 1.15rem clamp(1.25rem,4vw,2.6rem); transition: background .4s var(--ease), padding .4s, backdrop-filter .4s; }
.nav.solid { background: rgba(8,11,22,0.72); backdrop-filter: blur(16px); padding-block: 0.8rem; box-shadow: 0 1px 0 var(--panel-brd); }
.nav__brand { display: flex; align-items: center; gap: 0.6rem; font-family: var(--font-display); font-weight: 600; font-size: 1.12rem; letter-spacing: -0.01em; }
.nav__brand img { width: 38px; height: 38px; border-radius: 50%; }
.nav__brand small { display: block; font-family: var(--font-body); font-size: 0.56rem; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-dim); }
.nav__links { display: flex; gap: 1.7rem; margin-left: auto; }
.nav__links a { font-size: 0.82rem; font-weight: 500; letter-spacing: 0.02em; color: var(--ink-soft); position: relative; transition: color .2s; }
.nav__links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -5px; height: 1.5px; background: var(--sun); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { transform: scaleX(1); }
.nav__cta { font-size: 0.82rem; font-weight: 600; padding: 0.6rem 1.1rem; border-radius: 999px; background: linear-gradient(120deg, var(--sun), var(--sun-2)); color: #14161f; transition: transform .25s var(--ease), box-shadow .25s; box-shadow: 0 8px 24px -8px rgba(255,157,46,.6); }
.nav__cta:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -8px rgba(255,157,46,.8); }
@media (max-width: 760px){ .nav__links { display: none; } }

/* ── Buttons ─────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 0.55rem; font-family: var(--font-display); font-weight: 500; font-size: 0.98rem; padding: 0.95rem 1.7rem; border-radius: 999px; position: relative; overflow: hidden; transition: transform .25s var(--ease), box-shadow .3s, background .3s, color .3s; }
.btn--sun { background: linear-gradient(120deg, var(--sun), var(--sun-2)); color: #14161f; box-shadow: 0 14px 34px -12px rgba(255,157,46,.7); }
.btn--sun:hover { box-shadow: 0 20px 44px -12px rgba(255,157,46,.9); }
.btn--sun::after { content: ""; position: absolute; inset: 0; transform: translateX(-130%) skewX(-18deg); background: linear-gradient(90deg, transparent, rgba(255,255,255,.5), transparent); transition: transform .7s var(--ease); }
.btn--sun:hover::after { transform: translateX(130%) skewX(-18deg); }
.btn--glass { background: var(--panel); border: 1px solid var(--panel-brd); color: var(--ink); backdrop-filter: blur(10px); }
.btn--glass:hover { border-color: var(--sun); color: var(--sun); transform: translateY(-2px); }

/* ── Eyebrow / titles ────────────────────────────────── */
.eyebrow { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.26em; text-transform: uppercase; color: var(--sun); margin-bottom: 1.1rem; }
.eyebrow::before { content: ""; width: 22px; height: 1.5px; background: var(--sun); }
.h-xl { font-family: var(--font-display); font-weight: 600; line-height: 1.02; letter-spacing: -0.03em; font-size: clamp(2.4rem, 6vw, 4.6rem); }
.h-lg { font-family: var(--font-display); font-weight: 600; line-height: 1.05; letter-spacing: -0.02em; font-size: clamp(2rem, 4.4vw, 3.3rem); }
.grad { background: linear-gradient(120deg, var(--sun), var(--coral) 55%, var(--blue)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--ink-soft); font-size: 1.12rem; max-width: 54ch; }

/* ── Hero ────────────────────────────────────────────── */
.hero { min-height: 100svh; display: flex; align-items: center; padding-top: 6rem; position: relative; overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3rem; align-items: center; width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }
.hero__eyebrow { opacity: 0; animation: fade-up .8s .2s var(--ease) forwards; }
.hero__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(3rem, 8.5vw, 6.6rem); line-height: 0.98; letter-spacing: -0.035em; }
.hero__title .w { display: inline-block; opacity: 0; transform: translateY(0.5em) rotate(3deg); animation: word-up .9s var(--ease) forwards; animation-delay: calc(var(--i) * 0.09s + 0.35s); }
@keyframes word-up { to { opacity: 1; transform: none; } }
.hero__sub { margin-top: 1.6rem; color: var(--ink-soft); font-size: 1.18rem; max-width: 44ch; opacity: 0; animation: fade-up .8s .9s var(--ease) forwards; }
.hero__actions { margin-top: 2.2rem; display: flex; flex-wrap: wrap; gap: 1rem; opacity: 0; animation: fade-up .8s 1.05s var(--ease) forwards; }
.hero__stats { margin-top: 2.6rem; display: flex; gap: 2.4rem; flex-wrap: wrap; opacity: 0; animation: fade-up .8s 1.2s var(--ease) forwards; }
.hero__stats b { font-family: var(--font-display); font-weight: 600; font-size: 1.9rem; display: block; background: linear-gradient(120deg,var(--sun),var(--coral)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__stats span { font-size: 0.78rem; color: var(--ink-dim); letter-spacing: 0.04em; text-transform: uppercase; }
@keyframes fade-up { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* hero orb / sun visual */
.hero__orb { position: relative; aspect-ratio: 1; display: grid; place-items: center; }
.hero__sun { width: 62%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 36% 32%, #ffe08a, var(--sun) 42%, var(--sun-2) 78%); box-shadow: 0 0 120px 10px rgba(255,157,46,.5), inset -14px -18px 60px rgba(180,70,0,.4); animation: float 7s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }
.hero__ring { position: absolute; inset: 0; border-radius: 50%; border: 1px dashed rgba(255,194,31,.35); animation: spin 34s linear infinite; }
.hero__ring::before { content: ""; position: absolute; top: -7px; left: 50%; width: 14px; height: 14px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 24px 3px var(--blue); }
.hero__ring--2 { inset: -9%; border-color: rgba(67,184,255,.25); animation-duration: 46s; animation-direction: reverse; }
.hero__ring--2::before { background: var(--coral); box-shadow: 0 0 24px 3px var(--coral); }
@keyframes spin { to { transform: rotate(360deg); } }
.hero__chip { position: absolute; padding: 0.5rem 0.9rem; border-radius: 999px; background: var(--panel); border: 1px solid var(--panel-brd); backdrop-filter: blur(10px); font-size: 0.8rem; font-weight: 600; display: flex; align-items: center; gap: 0.4rem; }
.hero__chip--1 { top: 8%; right: 2%; animation: float 6s ease-in-out infinite; }
.hero__chip--2 { bottom: 12%; left: -4%; animation: float 8s 1s ease-in-out infinite; }
.hero__chip--3 { bottom: 32%; right: -6%; animation: float 7s .5s ease-in-out infinite; }

/* ── Marquee ─────────────────────────────────────────── */
.marquee { border-block: 1px solid var(--panel-brd); overflow: hidden; padding-block: 1.1rem; background: rgba(255,255,255,0.015); }
.marquee__row { display: flex; gap: 2.5rem; width: max-content; animation: scroll-x 30s linear infinite; }
.marquee__row span { font-family: var(--font-display); font-weight: 500; font-size: 1.15rem; color: var(--ink-soft); display: inline-flex; align-items: center; gap: 2.5rem; white-space: nowrap; }
.marquee__row i { color: var(--sun); font-style: normal; }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* ── Reveal ──────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d,0s); }
.reveal.in { opacity: 1; transform: none; }

/* ── Manifesto ───────────────────────────────────────── */
.manifesto { text-align: center; }
.manifesto p { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.5rem, 3.6vw, 2.9rem); line-height: 1.3; letter-spacing: -0.02em; max-width: 20ch; margin: 0 auto; }
.manifesto .word { color: var(--ink-dim); transition: color .3s var(--ease); }
.manifesto .word.lit { color: var(--ink); }
.manifesto .word.key { color: transparent; background: linear-gradient(120deg,var(--sun),var(--coral)); -webkit-background-clip: text; background-clip: text; }

/* ── Pillars (glass cards) ───────────────────────────── */
.pillars__head { max-width: 640px; margin-bottom: 3rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; }
.card { position: relative; background: var(--panel); border: 1px solid var(--panel-brd); border-radius: 22px; padding: 2rem 1.8rem; overflow: hidden; backdrop-filter: blur(8px); transition: transform .4s var(--ease), border-color .4s, background .4s; }
.card::before { content: ""; position: absolute; inset: 0; opacity: 0; background: radial-gradient(400px circle at var(--mx,50%) var(--my,50%), rgba(255,194,31,0.14), transparent 40%); transition: opacity .3s; }
.card:hover::before { opacity: 1; }
.card:hover { transform: translateY(-6px); border-color: rgba(255,194,31,.4); }
.card__ico { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; font-size: 1.5rem; margin-bottom: 1.1rem; background: linear-gradient(135deg, var(--c1,var(--sun)), var(--c2,var(--coral))); color: #14161f; }
.card h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.3rem; margin-bottom: 0.5rem; letter-spacing: -0.01em; }
.card p { color: var(--ink-soft); font-size: 0.98rem; }

/* ── Years (horizontal snap) ─────────────────────────── */
.years__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; margin-bottom: 2.2rem; flex-wrap: wrap; }
.years__scroller { display: flex; gap: 1.3rem; overflow-x: auto; padding-bottom: 1.4rem; scroll-snap-type: x mandatory; scrollbar-width: none; }
.years__scroller::-webkit-scrollbar { display: none; }
.year { scroll-snap-align: start; flex: 0 0 min(340px, 78vw); background: var(--panel); border: 1px solid var(--panel-brd); border-radius: 24px; padding: 2rem; position: relative; overflow: hidden; min-height: 300px; display: flex; flex-direction: column; transition: border-color .4s, transform .4s var(--ease); }
.year:hover { border-color: rgba(67,184,255,.4); transform: translateY(-5px); }
.year__n { font-family: var(--font-display); font-weight: 700; font-size: 5rem; line-height: 0.8; letter-spacing: -0.04em; color: transparent; -webkit-text-stroke: 1.5px var(--accent,var(--sun)); opacity: 0.85; }
.year__age { margin-top: auto; font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent,var(--sun)); font-weight: 600; }
.year h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; margin: 0.4rem 0 0.6rem; }
.year p { color: var(--ink-soft); font-size: 0.96rem; }
.years__hint { font-size: 0.8rem; color: var(--ink-dim); }

/* ── Gallery bento ───────────────────────────────────── */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; gap: 1rem; margin-top: 2.5rem; }
.tile { position: relative; border-radius: 20px; overflow: hidden; border: 1px solid var(--panel-brd); }
.tile img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.tile::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(8,11,22,0.75)); opacity: 0.9; }
.tile span { position: absolute; left: 1rem; bottom: 0.9rem; z-index: 1; font-family: var(--font-display); font-weight: 500; font-size: 0.95rem; }
.tile:hover img { transform: scale(1.08); }
.tile--a { grid-column: span 2; grid-row: span 2; }
.tile--b { grid-column: span 2; }
.tile--tall { grid-row: span 2; }

/* ── Stats ───────────────────────────────────────────── */
.statrow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.3rem; }
.statrow div { background: var(--panel); border: 1px solid var(--panel-brd); border-radius: 20px; padding: 1.8rem; text-align: center; }
.statrow b { font-family: var(--font-display); font-weight: 700; font-size: clamp(2rem, 4vw, 3rem); background: linear-gradient(120deg,var(--sun),var(--coral)); -webkit-background-clip: text; background-clip: text; color: transparent; display: block; line-height: 1; }
.statrow span { font-size: 0.8rem; color: var(--ink-dim); letter-spacing: 0.06em; text-transform: uppercase; }

/* ── Quote ───────────────────────────────────────────── */
.quote { text-align: center; }
.quote blockquote { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.5rem, 3.4vw, 2.6rem); line-height: 1.3; letter-spacing: -0.02em; max-width: 20ch; margin: 0 auto; }
.quote cite { display: block; margin-top: 1.6rem; font-style: normal; font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--sun); }

/* ── CTA ─────────────────────────────────────────────── */
.cta__panel { position: relative; overflow: hidden; border-radius: 32px; padding: clamp(2.6rem, 6vw, 5rem); text-align: center; background: linear-gradient(135deg, rgba(255,157,46,0.14), rgba(67,184,255,0.12)); border: 1px solid var(--panel-brd); }
.cta__panel h2 { font-family: var(--font-display); font-weight: 600; font-size: clamp(2rem, 5vw, 3.6rem); letter-spacing: -0.02em; line-height: 1.05; }
.cta__date { margin: 0.9rem 0 1.8rem; color: var(--sun); font-weight: 600; letter-spacing: 0.04em; }
.cta__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── Footer ──────────────────────────────────────────── */
.footer { border-top: 1px solid var(--panel-brd); padding-top: 4rem; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2.4rem; padding-bottom: 2.6rem; }
.footer__brand { display: flex; align-items: center; gap: 0.7rem; font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; margin-bottom: 0.8rem; }
.footer__brand img { width: 46px; height: 46px; border-radius: 50%; }
.footer p, .footer address { color: var(--ink-soft); font-size: 0.95rem; font-style: normal; line-height: 1.75; }
.footer h4 { font-family: var(--font-display); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--sun); margin-bottom: 1rem; }
.footer a:hover { color: var(--sun); }
.footer__social { display: flex; gap: 0.6rem; margin-top: 1rem; }
.footer__social a { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--panel-brd); display: grid; place-items: center; transition: background .25s, transform .25s, border-color .25s; }
.footer__social a:hover { background: var(--sun); color: #14161f; transform: translateY(-3px); border-color: transparent; }
.footer__social svg { width: 18px; height: 18px; }
.footer__map { border-radius: 18px; overflow: hidden; border: 1px solid var(--panel-brd); line-height: 0; }
.footer__map iframe { width: 100%; height: 220px; border: 0; filter: invert(0.92) hue-rotate(180deg) saturate(0.8) brightness(0.9); }
.footer__base { border-top: 1px solid var(--panel-brd); padding-block: 1.4rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: 0.8rem; color: var(--ink-dim); }

/* ── Responsive (light) ──────────────────────────────── */
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__orb { max-width: 360px; margin-top: 1rem; }
  .grid-3 { grid-template-columns: 1fr; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .statrow { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .hero__title .w, .hero__eyebrow, .hero__sub, .hero__actions, .hero__stats { opacity: 1; animation: none; }
  .manifesto .word { color: var(--ink); }
}