/* ABC — Motion Aesthetics · light editorial */
:root {
  --bg: #f4f1ea;
  --bg-soft: #ece8de;
  --ink: #141414;
  --muted: rgba(20, 20, 20, 0.64);
  --accent: #8a6c2f;
  --serif: "Playfair Display", "Didot", serif;
  --sans: "Inter", sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow: 0 30px 80px -30px rgba(20, 18, 10, 0.35), 0 8px 24px -12px rgba(20, 18, 10, 0.18);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: auto; } /* Lenis owns smoothing — CSS smooth fights it */

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.06rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* grain — very subtle */
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 60;
  opacity: 0.035; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection { background: var(--ink); color: var(--bg); }

.progress {
  position: fixed; top: 0; left: 0; z-index: 70;
  width: 100%; height: 2px;
  background: var(--ink);
  transform-origin: 0 50%;
  transform: scaleX(0);
  opacity: 0.9;
}

/* ── NAV ─────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.4rem clamp(1.2rem, 4vw, 3.5rem);
  background: linear-gradient(to bottom, rgba(244, 241, 234, 0.92), rgba(244, 241, 234, 0));
}
.brand {
  color: var(--ink); text-decoration: none;
  font-family: var(--serif); font-size: 1.5rem; font-weight: 500;
  display: flex; align-items: baseline; gap: 0.55rem;
  padding: 0.4rem 0; /* 44px touch target */
}
.brand small {
  font-family: var(--sans); font-size: 0.62rem; font-weight: 500;
  letter-spacing: 0.42em; opacity: 0.6;
}
.nav-links { display: flex; gap: clamp(1.2rem, 3vw, 2.6rem); }
.nav-links a {
  color: var(--ink); text-decoration: none;
  font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase;
  opacity: 0.72; transition: opacity 180ms var(--ease);
  padding: 0.8rem 0.2rem; /* 44px touch target */
}
.nav-links a:hover { opacity: 1; }

/* ── HERO — light, typographic ───── */
.hero {
  min-height: 100svh;
  display: grid; align-content: center;
  padding: 6rem clamp(1.2rem, 5vw, 4.5rem) 3rem;
  position: relative;
  background:
    radial-gradient(120% 85% at 78% 8%, #fbf9f4 0%, rgba(251, 249, 244, 0) 55%),
    radial-gradient(90% 70% at 10% 100%, #ebe6d9 0%, rgba(235, 230, 217, 0) 60%),
    var(--bg);
}
.hero-title {
  font-family: var(--serif);
  font-size: clamp(3rem, 1rem + 9.5vw, 9rem);
  font-weight: 400; line-height: 1.02;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
.hero-title em { font-style: italic; color: var(--accent); }
.hero-title .line { display: block; overflow: hidden; }
.hero-title .line span {
  display: inline-block;
  transform: translateY(110%);
  animation: riseIn 900ms var(--ease) forwards;
}
.hero-title .line:nth-child(2) span { animation-delay: 120ms; }
@keyframes riseIn { to { transform: translateY(0); } }

.hero-sub {
  margin-top: 2rem;
  font-size: clamp(1rem, 0.9rem + 0.5vw, 1.3rem);
  color: var(--muted); max-width: 36ch;
  opacity: 0; animation: fadeUp 700ms var(--ease) 420ms forwards;
}
.hero-link {
  display: inline-block; width: fit-content; margin-top: 2rem;
  color: var(--ink); text-decoration: none;
  font-size: 0.8rem; letter-spacing: 0.22em; text-transform: uppercase;
  border-bottom: 1px solid rgba(20, 20, 20, 0.35);
  padding: 0.8rem 0 0.55rem; /* 44px touch target */
  transition: border-color 220ms var(--ease);
  opacity: 0; animation: fadeUp 700ms var(--ease) 560ms forwards;
}
.hero-link:hover { border-color: var(--ink); }
.hero-link:active, .contact-mail:active { transform: scale(0.98); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* floating film collage — right side of hero */
.hero-inner { position: relative; z-index: 2; }
.hero-films { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.hf {
  position: absolute;
  aspect-ratio: 9 / 16;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow);
  opacity: 0;
  perspective: 700px; /* depth stage for the cursor tilt on the video inside */
  animation: filmIn 1100ms var(--ease) forwards, float 9s ease-in-out 1.4s infinite alternate;
}
.hf video { width: 100%; height: 100%; object-fit: cover; display: block; }
.hf::after { content: ""; position: absolute; inset: 0; background: var(--bg); opacity: 0.18; }
/* cursor sheen — light reflection sweeping the tiles while the hero is tilting */
.hf::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, 0.34), transparent 58%);
  opacity: 0;
  transition: opacity 500ms var(--ease);
}
.hero.tilting .hf::before { opacity: 1; }
.hf1 { width: clamp(180px, 17vw, 260px); right: 7%; top: 13%; transform: rotate(-4deg) translateY(24px); animation-delay: 500ms, 1.4s; }
.hf2 { width: clamp(150px, 14vw, 215px); right: 24%; top: 42%; transform: rotate(3deg) translateY(24px); animation-delay: 700ms, 1.9s; animation-duration: 1100ms, 11s; }
.hf3 { width: clamp(125px, 11.5vw, 175px); right: 4%; bottom: 9%; transform: rotate(-2deg) translateY(24px); animation-delay: 900ms, 2.3s; animation-duration: 1100ms, 10s; }
@keyframes filmIn { to { opacity: 1; transform: rotate(var(--r, -4deg)) translateY(0); } }
.hf1 { --r: -4deg; } .hf2 { --r: 3deg; } .hf3 { --r: -2deg; }
@keyframes float { from { margin-top: 0; } to { margin-top: -14px; } }
@media (max-width: 1150px) { .hf2 { display: none; } .hf1 { right: 4%; } }

/* ── CASES — copy + native 9:16 film, alternating ── */
.case {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(4rem, 10vh, 8rem) clamp(1.2rem, 4vw, 3rem);
}
.case:nth-child(even) { grid-template-columns: auto minmax(0, 1fr); }
.case:nth-child(even) .case-copy { order: 2; }
.case:nth-child(even) .case-media { order: 1; }
.case:nth-child(even) { background: var(--bg-soft); max-width: none; }
.case:nth-child(even) > * { }
.case:nth-child(even) { padding-left: max(clamp(1.2rem, 4vw, 3rem), calc((100vw - 1200px) / 2 + clamp(1.2rem, 4vw, 3rem))); padding-right: max(clamp(1.2rem, 4vw, 3rem), calc((100vw - 1200px) / 2 + clamp(1.2rem, 4vw, 3rem))); }

.case-tag {
  font-size: 0.72rem; letter-spacing: 0.34em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.9rem;
}
.case-name {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 1rem + 5vw, 5.5rem);
  font-weight: 400; line-height: 1;
}
.case-text {
  margin-top: 1.4rem;
  max-width: 44ch; color: var(--muted);
}
.case-open {
  margin-top: 1.2rem;
  background: none; border: none; cursor: pointer;
  color: var(--ink); font-family: var(--sans);
  font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase;
  border-bottom: 1px solid rgba(20, 20, 20, 0.35);
  padding: 0.7rem 0 0.55rem;
  min-height: 44px;
  transition: border-color 200ms var(--ease), transform 160ms var(--ease);
}
.case-open:hover { border-color: var(--ink); }
.case-open:active { transform: scale(0.97); }

.case-spec {
  margin-top: 1rem;
  font-size: 0.72rem; letter-spacing: 0.08em;
  color: rgba(20, 20, 20, 0.48);
}
.case-media { margin: 0; cursor: pointer; }
.case-media video {
  display: block;
  width: clamp(240px, 26vw, 400px);
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border-radius: 6px;
  box-shadow: var(--shadow);
  background: #e7e2d6;
  transition: transform 450ms var(--ease), box-shadow 450ms var(--ease);
}
@media (hover: hover) and (pointer: fine) {
  .case-media:hover video {
    transform: scale(1.02);
    box-shadow: 0 40px 100px -30px rgba(20, 18, 10, 0.42), 0 10px 30px -12px rgba(20, 18, 10, 0.22);
  }
}

/* ── STUDIO ──────────────────────── */
.studio {
  padding: clamp(7rem, 16vh, 13rem) clamp(1.2rem, 5vw, 4rem);
  background: linear-gradient(180deg, var(--bg) 0%, #f0ece2 100%);
}
.studio > * { margin-left: max(0px, calc((100% - 1200px) / 2)); }
.studio-line {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 1rem + 3.4vw, 4rem);
  font-weight: 400; line-height: 1.22;
  max-width: 22ch;
}
.studio-line em { font-style: italic; color: var(--accent); }
.studio-copy {
  margin-top: 2.6rem;
  max-width: 52ch; color: var(--muted);
}
.studio-steps {
  margin-top: 2.2rem;
  font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(20, 20, 20, 0.7);
}
.studio-steps span { color: var(--accent); padding: 0 0.4rem; }

/* ── CONTACT ─────────────────────── */
.contact {
  background: linear-gradient(180deg, #f0ece2 0%, var(--bg-soft) 40%, #e7e2d4 100%);
  padding: clamp(7rem, 18vh, 13rem) clamp(1.2rem, 5vw, 4rem);
}
.contact-kicker {
  font-size: 0.72rem; letter-spacing: 0.34em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1.4rem;
}
.contact-title {
  font-family: var(--serif);
  font-size: clamp(2.8rem, 1rem + 7vw, 7rem);
  font-weight: 400; line-height: 1.04;
}
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  max-width: 1200px; margin: 0 auto;
  align-items: start;
}
.contact-note {
  margin-top: 1.8rem;
  max-width: 40ch; color: var(--muted);
}
.contact-form { display: grid; gap: 1.6rem; }
.field { display: grid; gap: 0.45rem; }
.field label {
  font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(20, 20, 20, 0.72);
}
.field input, .field textarea {
  background: transparent;
  border: none; border-bottom: 1px solid rgba(20, 20, 20, 0.3);
  padding: 0.55rem 0.1rem;
  font: inherit; color: var(--ink);
  border-radius: 0;
  transition: border-color 200ms var(--ease);
}
.field textarea { resize: vertical; min-height: 96px; }
.field input:focus, .field textarea:focus {
  outline: none;
  border-bottom-color: var(--ink);
}
.field input:focus-visible, .field textarea:focus-visible {
  outline: 2px solid rgba(20, 20, 20, 0.35); outline-offset: 4px;
}
.form-submit {
  justify-self: start;
  background: #141414; color: #f4f1ea;
  border: none; cursor: pointer;
  font-family: var(--sans); font-size: 0.8rem;
  letter-spacing: 0.2em; text-transform: uppercase;
  padding: 1rem 2.2rem;
  min-height: 48px;
  transition: opacity 200ms var(--ease), transform 160ms var(--ease);
}
.form-submit span { color: #f4f1ea; }
.field input::placeholder { color: rgba(20, 20, 20, 0.45); }
.form-submit:hover { opacity: 0.85; }
.form-submit:active { transform: scale(0.97); }
.form-submit:disabled { opacity: 0.5; cursor: wait; }
.form-status { font-size: 0.9rem; color: var(--accent); min-height: 1.3em; margin: 0; }

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ── FOOTER ──────────────────────── */
.footer {
  background: var(--bg-soft); color: var(--muted);
  border-top: 1px solid rgba(20, 20, 20, 0.1);
  padding: 2rem clamp(1.2rem, 4vw, 3.5rem) 2.4rem;
}
.footer-inner {
  display: flex; flex-wrap: wrap; gap: 0.8rem 2.5rem;
  justify-content: space-between;
  font-size: 0.78rem;
}

/* ── LIGHTBOX ────────────────────── */
.lightbox {
  position: fixed; inset: 0; z-index: 80;
  background: rgba(12, 11, 9, 0.94);
  display: grid; place-items: center;
  opacity: 0; pointer-events: none;
  transition: opacity 300ms var(--ease);
}
.lightbox.open { opacity: 1; pointer-events: auto; }
.lightbox-video { max-width: min(92vw, 560px); max-height: 86vh; border-radius: 6px; outline: none; }
.lightbox-close {
  position: absolute; top: 0.8rem; right: 1rem;
  background: none; border: none; cursor: pointer;
  color: #f4f1ea; font-size: 2.4rem; line-height: 1;
  padding: 0.4rem 0.7rem; /* 44px touch target */
  opacity: 0.7; transition: opacity 200ms;
}
.lightbox-close:hover { opacity: 1; }

/* ── REVEAL ──────────────────────── */
.reveal { opacity: 0; transform: translateY(28px); }
.no-js .reveal, .reveal.in { opacity: 1; transform: none; }
.case-copy, .case-media { opacity: 0; transform: translateY(30px); }
.case.in .case-copy, .case.in .case-media { opacity: 1; transform: none; }
.case.in .case-copy { transition: opacity 700ms var(--ease), transform 700ms var(--ease); }
.case.in .case-media { transition: opacity 700ms var(--ease) 120ms, transform 700ms var(--ease) 120ms; }
/* when GSAP owns transforms (desktop parallax), reveal only fades */
body.gsx .case-copy, body.gsx .case-media { transform: none; }
body.gsx .case.in .case-copy { transition: opacity 700ms var(--ease); }
body.gsx .case.in .case-media { transition: opacity 700ms var(--ease) 120ms; }

@media (max-width: 860px) {
  .brand small { display: none; }
  .brand { font-size: 1.25rem; }
  .hero-films { display: none; }
  .hero { padding-bottom: 4rem; }
  .nav { padding: 1.1rem 1rem; }
  .nav-links { gap: 0.7rem; }
  .nav-links a { font-size: 0.68rem; letter-spacing: 0.08em; padding: 0.8rem 0.1rem; }
  .hero-title { font-size: clamp(2.7rem, 1rem + 10vw, 4.5rem); }
  .case, .case:nth-child(even) { grid-template-columns: 1fr; gap: 2.2rem; padding-left: 1.2rem; padding-right: 1.2rem; }
  .case:nth-child(even) .case-copy { order: 2; }
  .case:nth-child(even) .case-media { order: 1; }
  .case-media { justify-self: center; }
  .case-media video { width: min(76vw, 340px); }
  .footer-inner { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-title .line span { transform: none; animation: none; }
  .hero-sub, .hero-link { opacity: 1; animation: none; }
  .hf { opacity: 1; animation: none; transform: rotate(var(--r, -4deg)); }
  .reveal, .case-copy, .case-media { opacity: 1; transform: none; }
}