/* ── RAUL QUIROGA — portfolio ─────────────────────────────
   Dark cinematic, Kolder-inspired. The work is the star. */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:     #0a0a0b;
  --bg-2:   #111113;
  --ink:    #f4f4f2;
  --dim:    #8a8a88;
  --line:   #232325;
  --accent: #f4f4f2;
  --sans: 'Archivo', -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img, video, iframe { display: block; max-width: 100%; }

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 40px 48px;
  color: var(--ink);
  text-shadow: 0 1px 10px rgba(0,0,0,0.55);
  background: linear-gradient(to bottom, rgba(10,10,11,0.35) 0%, rgba(10,10,11,0.18) 40%, rgba(10,10,11,0) 100%);
  pointer-events: none;
}
.nav a { pointer-events: auto; }
.nav .logo {
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 14px;
}
.nav .links { display: flex; gap: 28px; font-size: 13px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; }
.nav .links a { opacity: 0.92; transition: opacity 0.2s; }
.nav .links a:hover, .nav .links a.active { opacity: 1; }

/* ── HERO (index) — full-bleed background loop ── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}
.hero {
  position: relative;
  height: 100svh;
  overflow: hidden;
  background: var(--bg-2);
}
.hero .video-wrap { position: absolute; inset: 0; }
.hero .video-wrap iframe {
  position: absolute;
  top: 50%; left: 50%;
  width: 100vw;
  height: 56.25vw;
  min-height: 100svh;
  min-width: 177.78svh;
  transform: translate(-50%, -50%);
  border: 0;
  pointer-events: none;
}
.hero .scrim {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,10,11,0.7) 0%, rgba(10,10,11,0) 30%);
}
.hero .hero-copy {
  position: absolute;
  left: 40px; bottom: 40px; right: 40px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.hero .tagline {
  color: var(--ink);
  font-size: clamp(16px, 1.6vw, 20px);
  letter-spacing: 0.02em;
  max-width: 44ch;
  text-shadow: 0 1px 14px rgba(0,0,0,0.6);
}
.sound-btn {
  border: 1px solid rgba(244,244,242,0.4);
  background: rgba(10,10,11,0.35);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 12px 22px;
  border-radius: 999px;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: background 0.2s, border-color 0.2s;
}
.sound-btn:hover { background: rgba(244,244,242,0.12); border-color: var(--ink); }

/* ── REEL LIGHTBOX ── */
.lightbox {
  position: fixed; inset: 0;
  z-index: 100;
  background: rgba(6,6,7,0.88);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 5vh 4vw;
}
.lightbox.open { display: flex; }
.lightbox-inner {
  position: relative;
  width: min(1100px, 100%);
}
.lightbox-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 12px;
  overflow: hidden;
}
.lightbox-frame iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
}
.lightbox-close {
  position: absolute;
  top: -44px; right: 0;
  background: none;
  border: 0;
  color: var(--ink);
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
  opacity: 0.8;
  transition: opacity 0.2s;
}
.lightbox-close:hover { opacity: 1; }

/* ── WORK GRID ── */
.section { padding: 90px 40px; max-width: 1400px; margin: 0 auto; }
.section-label {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 36px;
}
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.tile { position: relative; display: block; overflow: hidden; background: var(--bg-2); }
.tile .media {
  aspect-ratio: 16 / 9;
  width: 100%;
  object-fit: cover;
  background: linear-gradient(135deg, #17171a 0%, #101012 60%, #0c0c0e 100%);
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.4s;
}
.tile:hover .media { transform: scale(1.03); }
.tile .meta {
  position: absolute;
  left: 24px; bottom: 20px; right: 24px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  text-shadow: 0 1px 12px rgba(0,0,0,0.7);
}
.tile .title { font-weight: 700; font-size: 19px; letter-spacing: 0.01em; }
.tile .kind  { font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--dim); white-space: nowrap; }
.tile .num {
  position: absolute; top: 18px; left: 24px;
  font-size: 12px; letter-spacing: 0.2em; color: var(--dim);
}

/* ── PROJECT PAGE ── */
.project-head { padding: 120px 40px 30px; max-width: 1400px; margin: 0 auto; }
.project-head h1 {
  font-size: clamp(30px, 4.5vw, 56px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
  text-transform: uppercase;
}
.project-head .kind { color: var(--dim); font-size: 13px; letter-spacing: 0.18em; text-transform: uppercase; margin-top: 12px; }

.player {
  max-width: 1400px;
  margin: 24px auto 0;
  padding: 0 40px;
}
.player .frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--bg-2);
  border-radius: 12px;
  overflow: hidden;
}
.player iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.project-body {
  max-width: 1400px;
  margin: 0 auto;
  padding: 48px 40px 90px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 60px;
}
.project-body .context p { font-size: 18px; line-height: 1.7; max-width: 60ch; color: var(--ink); }
.project-body .context p + p { margin-top: 1em; }
.essentials { font-size: 14px; }
.essentials dt {
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--dim); margin-top: 22px;
}
.essentials dt:first-child { margin-top: 0; }
.essentials dd { margin-top: 4px; }

/* process strip (F1 page) */
.process { max-width: 1400px; margin: 0 auto; padding: 0 40px 90px; }
.process h2 { font-size: 13px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--dim); margin-bottom: 24px; }
.process .strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.process .strip .cell { aspect-ratio: 16/10; background: var(--bg-2); border: 1px solid var(--line); }
.process .note { color: var(--dim); font-size: 14px; margin-top: 16px; max-width: 60ch; }

/* prev / next */
.pager {
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between;
  max-width: 1400px; margin: 0 auto;
  padding: 34px 40px 20px;
  font-size: 14px; letter-spacing: 0.06em;
}
.pager a { color: var(--dim); transition: color 0.2s; }
.pager a:hover { color: var(--ink); }

/* ── R&D PAGE ── */
.rnd-head {
  max-width: 900px;
  margin: 0 auto;
  padding: 140px 24px 20px;
}
.rnd-head h1 {
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.rnd-sub { color: var(--dim); margin-top: 10px; font-size: 15px; max-width: 55ch; }
.rnd-list { max-width: 900px; margin: 0 auto; padding: 30px 24px 90px; }
.rnd-item { border-top: 1px solid var(--line); padding: 44px 0 50px; }
.rnd-item:first-child { border-top: 0; }
.rnd-num { font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--dim); }
.rnd-item h2 { font-size: 20px; font-weight: 700; margin-top: 8px; letter-spacing: 0.01em; }
.rnd-q { margin-top: 14px; font-size: 17px; font-weight: 500; color: var(--ink); max-width: 58ch; line-height: 1.5; }
.rnd-body { margin-top: 10px; font-size: 15px; line-height: 1.8; color: #d9d9d6; max-width: 62ch; }
.rnd-link { text-decoration: underline; text-underline-offset: 3px; }
.rnd-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 22px; }
.rnd-strip-single { grid-template-columns: 1fr; }
.rnd-strip .cell { aspect-ratio: 16/10; background: var(--bg-2); border: 1px solid var(--line); object-fit: cover; width: 100%; border-radius: 8px; cursor: zoom-in; transition: border-color 0.2s; }
.rnd-strip .cell:hover { border-color: var(--dim); }
.rnd-rule { margin-top: 16px; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim); }
@media (max-width: 800px) {
  .rnd-head { padding: 110px 20px 10px; }
  .rnd-list { padding: 20px 20px 70px; }
  .rnd-strip { grid-template-columns: 1fr; }
}

/* ── ABOUT ── */
.about {
  max-width: 1400px; margin: 0 auto;
  padding: 110px 40px 50px;
  display: grid; grid-template-columns: 20% 30%; gap: 50px;
  justify-content: center;
  align-items: center;
}
.about .portrait { background: var(--bg-2); border: 1px solid var(--line); width: 100%; height: auto; }
.about h1 { font-size: clamp(20px, 2.2vw, 28px); font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em; line-height: 1.2; }
.about .intro { margin-top: 22px; font-size: 15.5px; line-height: 1.85; max-width: 58ch; color: #d9d9d6; }
.about .intro p + p { margin-top: 1em; }
.bts-row { max-width: 1400px; margin: 0 auto; padding: 0 40px 90px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.bts-row .cell { aspect-ratio: 3/2; background: var(--bg-2); border: 1px solid var(--line); object-fit: cover; width: 100%; }

/* ── CONTACT PAGE / FORM ── */
.contact-page {
  max-width: 560px;
  margin: 0 auto;
  padding: 140px 24px 80px;
}
.contact-page h1 {
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.contact-sub { color: var(--dim); margin-top: 8px; font-size: 15px; }
.contact-form { margin-top: 36px; display: grid; gap: 22px; }
.contact-form label {
  display: grid; gap: 8px;
  font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--dim);
}
.contact-form input, .contact-form textarea {
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  padding: 13px 14px;
  border-radius: 8px;
  transition: border-color 0.2s;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--dim);
}
.contact-form textarea { resize: vertical; }
.contact-form button {
  justify-self: start;
  border: 1px solid rgba(244,244,242,0.4);
  background: none;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 13px 34px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.contact-form button:hover { background: rgba(244,244,242,0.12); border-color: var(--ink); }
.sent-title {
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-top: 36px;
}

/* ── CONTACT FOOTER ── */
.contact {
  border-top: 1px solid var(--line);
  padding: 80px 40px;
  text-align: center;
}
.contact .cta { font-size: 13px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--dim); }
.contact .email {
  display: inline-block;
  margin-top: 14px;
  font-size: clamp(22px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.01em;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.2s;
}
.contact .email:hover { border-color: var(--ink); }
.contact .socials { margin-top: 26px; display: flex; gap: 20px; justify-content: center; }
.contact .socials a { color: var(--dim); transition: color 0.2s; display: inline-flex; }
.contact .socials a:hover { color: var(--ink); }
.contact .fine { margin-top: 30px; color: var(--dim); font-size: 12px; letter-spacing: 0.08em; }

/* ── RESPONSIVE ── */
@media (max-width: 800px) {
  .nav { padding: 14px 16px 30px; }
  .nav .logo { font-size: 12px; letter-spacing: 0.1em; white-space: nowrap; }
  .nav .links { gap: 13px; font-size: 11px; letter-spacing: 0.06em; }
  .hero .hero-copy { left: 20px; right: 20px; bottom: 28px; }
  .lightbox { padding: 2vh 3vw; }
  .section, .player, .project-head, .process, .pager { padding-left: 20px; padding-right: 20px; }
  .work-grid { grid-template-columns: 1fr; }
  .project-body, .about { grid-template-columns: 1fr; gap: 36px; padding-left: 20px; padding-right: 20px; }
  .process .strip, .bts-row { grid-template-columns: 1fr; }
  .contact { padding: 60px 20px; }
}