/* ============ Tandav Labs: black/white ============ */
:root {
  --bg: #050505;
  --ink: #f4f4f2;
  --mut: #9a9a96;
  --dim: #5c5c58;
  --line: rgba(255, 255, 255, 0.14);
  --font-d: "Space Grotesk", "Helvetica Neue", sans-serif;
  --font-b: "Inter", "Helvetica Neue", sans-serif;
  --pad: clamp(20px, 5vw, 72px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-b);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: #fff; color: #000; }

/* ---- reveal animation ---- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============ NAV ============ */
#nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--pad);
  transition: background 0.4s, backdrop-filter 0.4s;
}
#nav.scrolled { background: rgba(5, 5, 5, 0.72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.nav-logo img { height: 34px; width: auto; }
.nav-links { display: flex; gap: clamp(16px, 3vw, 40px); }
.nav-links a {
  font-family: var(--font-d);
  font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--mut); transition: color 0.25s;
}
.nav-links a:hover { color: var(--ink); }
@media (max-width: 700px) {
  #nav { padding: 14px 20px; }
  .nav-logo img { height: 22px; }
  .nav-links { gap: 14px; }
  .nav-links a { font-size: 11px; letter-spacing: 0.08em; }
}

/* ============ HERO ============ */
.hero { position: relative; height: 100svh; overflow: hidden; background: #000; }
.hero video {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
}
@media (orientation: portrait) {
  .hero video { object-fit: contain; }
}
.hero-tint {
  position: absolute; inset: 0;
  background: rgba(0, 0, 0, 0.35);
  pointer-events: none;
  transition: opacity 1.2s ease;
}
.hero.played .hero-tint { opacity: 0; }
.hero-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(5,5,5,0.9) 0%, rgba(5,5,5,0) 32%);
  pointer-events: none;
}
.hero-copy {
  position: absolute; left: 50%; bottom: clamp(56px, 11vh, 120px);
  transform: translateX(-50%);
  width: max-content; max-width: 90vw;
  text-align: center;
  opacity: 0;
  transition: opacity 1.4s ease 0.2s;
}
.hero.played .hero-copy { opacity: 1; }
.hero-eyebrow {
  font-family: var(--font-d);
  font-size: 14px; letter-spacing: 0.3em; text-transform: uppercase;
  color: #c9c9d8; margin-top: 16px;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.8);
}
.hero-title {
  font-family: var(--font-d); font-weight: 700;
  font-size: clamp(26px, 3.2vw, 44px);
  line-height: 1.15; letter-spacing: -0.01em;
  color: #ffffff;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.8);
}
#replay {
  position: absolute; right: var(--pad); bottom: clamp(48px, 9vh, 96px);
  width: 44px; height: 44px; border-radius: 50%;
  background: transparent; color: var(--mut);
  border: 1px solid var(--line);
  font-size: 18px; cursor: pointer;
  opacity: 0; pointer-events: none;
  transition: opacity 0.5s, color 0.25s, border-color 0.25s;
}
.hero.played #replay { opacity: 1; pointer-events: auto; }
#replay:hover { color: var(--ink); border-color: var(--ink); }
@media (max-width: 700px) {
  #replay { right: 16px; bottom: 16px; width: 38px; height: 38px; }
}
.hero-scroll {
  position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%);
  width: 1px; height: 52px; overflow: hidden;
}
.hero-scroll span {
  position: absolute; left: 0; top: -50%;
  width: 1px; height: 50%;
  background: linear-gradient(to bottom, transparent, #fff);
  animation: drip 2.2s ease-in-out infinite;
}
@keyframes drip { 0% { top: -50%; } 100% { top: 110%; } }

/* ============ MANIFESTO ============ */
.manifesto { padding: clamp(110px, 16vh, 200px) var(--pad); border-bottom: 1px solid var(--line); }
.statement {
  font-family: var(--font-d); font-weight: 400;
  font-size: clamp(24px, 3.4vw, 44px);
  line-height: 1.35; letter-spacing: -0.01em;
  max-width: 1040px;
}
.statement em { font-style: normal; color: var(--mut); display: block; margin-top: 0.7em; }
.duality { list-style: none; margin-top: clamp(40px, 6vh, 64px); max-width: 1040px; }
.duality li {
  display: grid; grid-template-columns: 1fr clamp(40px, 6vw, 90px) 1fr;
  align-items: baseline;
  padding: clamp(14px, 2.2vh, 22px) 0;
  border-top: 1px solid var(--line);
  font-family: var(--font-d);
  font-size: clamp(17px, 2.4vw, 30px);
  letter-spacing: -0.01em;
}
.duality li:last-child { border-bottom: 1px solid var(--line); }
.duality .gone {
  text-align: right; color: var(--dim);
  text-decoration: line-through;
  text-decoration-color: rgba(255, 255, 255, 0.4);
  text-decoration-thickness: 1px;
}
.duality .to { text-align: center; color: var(--dim); font-size: 0.8em; }
.duality .born { color: var(--ink); }
@media (max-width: 600px) {
  .duality li { grid-template-columns: 1fr 34px 1fr; font-size: 15px; }
}
.stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px; margin-top: clamp(60px, 9vh, 110px);
}
.stats div { border-top: 1px solid var(--line); padding-top: 18px; }
.stats b { font-family: var(--font-d); font-weight: 700; font-size: clamp(32px, 3.6vw, 52px); display: block; line-height: 1; }
.stats span { font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--dim); display: block; margin-top: 10px; }

/* ============ SECTIONS ============ */
.section { padding: clamp(90px, 14vh, 170px) var(--pad); border-bottom: 1px solid var(--line); }
.section-head { margin-bottom: clamp(48px, 7vh, 84px); max-width: 720px; }
.section-head .index {
  font-family: var(--font-d); font-size: 13px; letter-spacing: 0.2em; color: var(--dim);
  display: block; margin-bottom: 14px;
}
.section-head h2 {
  font-family: var(--font-d); font-weight: 700;
  font-size: clamp(34px, 4.6vw, 64px);
  letter-spacing: -0.02em; line-height: 1.05;
  width: fit-content;
  background: linear-gradient(115deg, #ffffff 0%, #ffc07a 38%, #ff7a59 68%, #e34fa4 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.section-head p { color: var(--mut); margin-top: 18px; max-width: 560px; }

/* ============ WORK GRID ============ */
.filters {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin: -24px 0 clamp(36px, 5vh, 56px);
}
.filter {
  font-family: var(--font-d);
  font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 10px 20px; border-radius: 999px;
  background: transparent; color: var(--mut);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: color 0.25s, border-color 0.25s, background 0.25s;
}
.filter:hover { color: var(--ink); border-color: rgba(255, 255, 255, 0.45); }
.filter.active { background: #ffffff; color: #000000; border-color: #ffffff; }
.card.hide { display: none; }
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(20px, 2.6vw, 40px);
}
.card {
  grid-column: span 12; display: block;
  border: 1px solid var(--line);
  background: #0c0c0e;
  transition: border-color 0.35s ease, background 0.35s ease;
}
.card:hover { border-color: rgba(255, 255, 255, 0.38); background: #101012; }
@media (min-width: 860px) {
  .span7 { grid-column: span 7; }
  .span5 { grid-column: span 5; }
  .span12 { grid-column: span 12; }
}
.card figure {
  overflow: hidden; border-bottom: 1px solid var(--line);
  aspect-ratio: 16 / 10; background: #0a0a0a;
}
.card.wide figure { aspect-ratio: 21 / 8; }
.card figure img {
  width: 100%; height: 100%; object-fit: cover; object-position: top center;
  filter: grayscale(1) contrast(1.05);
  transform: scale(1.001);
  transition: filter 0.6s ease, transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.card:hover figure img { filter: grayscale(0); transform: scale(1.035); }
.card-meta { padding: 22px 24px 26px; }
.card-meta .tag {
  font-family: var(--font-d); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--dim);
}
.card-meta h3 {
  font-family: var(--font-d); font-weight: 500; font-size: clamp(20px, 2vw, 26px);
  letter-spacing: -0.01em; margin-top: 8px;
}
.card-meta .arrow { display: inline-block; font-size: 0.8em; color: var(--dim); transition: transform 0.3s, color 0.3s; }
.card:hover .arrow { transform: translate(3px, -3px); color: var(--ink); }
.card-meta p { color: var(--mut); font-size: 14.5px; margin-top: 8px; max-width: 560px; }

/* ============ CAPABILITIES ============ */
.caps { list-style: none; }
.caps li {
  display: grid; grid-template-columns: 90px 1fr; gap: 20px;
  padding: clamp(28px, 4vh, 44px) 0;
  border-top: 1px solid var(--line);
  transition: padding-left 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.caps li:hover { padding-left: 14px; }
.caps .num { font-family: var(--font-d); font-size: 14px; color: var(--dim); padding-top: 6px; }
.caps h3 { font-family: var(--font-d); font-weight: 500; font-size: clamp(22px, 2.6vw, 32px); letter-spacing: -0.01em; }
.caps p { color: var(--mut); margin-top: 8px; max-width: 620px; }
@media (max-width: 600px) { .caps li { grid-template-columns: 48px 1fr; } }

/* ============ FOUNDER ============ */
.founder {
  display: grid; grid-template-columns: minmax(260px, 420px) 1fr;
  gap: clamp(36px, 5vw, 80px); align-items: start;
}
@media (max-width: 860px) { .founder { grid-template-columns: 1fr; } }
.founder-photo { border: 1px solid var(--line); overflow: hidden; }
.founder-photo img {
  filter: grayscale(1) contrast(1.02);
  transition: filter 0.6s ease;
  width: 100%;
}
.founder-photo:hover img { filter: grayscale(0); }
.founder-bio h3 {
  font-family: var(--font-d); font-weight: 700; font-size: clamp(28px, 3.4vw, 44px); letter-spacing: -0.02em;
  width: fit-content;
  background: linear-gradient(115deg, #ffffff 0%, #ffc07a 38%, #ff7a59 68%, #e34fa4 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.founder-bio .role {
  font-family: var(--font-d); font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--dim); margin: 8px 0 24px;
}
.founder-bio > p { color: var(--mut); max-width: 620px; margin-bottom: 16px; }
.timeline { list-style: none; margin: 34px 0; max-width: 620px; }
.timeline li {
  display: flex; gap: 22px; align-items: baseline;
  padding: 12px 0; border-top: 1px solid var(--line);
  font-size: 14.5px; color: var(--mut);
}
.timeline li span { font-family: var(--font-d); color: var(--ink); font-size: 13px; letter-spacing: 0.08em; flex: 0 0 44px; }
.link-out {
  font-family: var(--font-d); font-size: 14px; letter-spacing: 0.08em;
  border-bottom: 1px solid var(--line); padding-bottom: 3px;
  transition: border-color 0.3s;
}
.link-out:hover { border-color: var(--ink); }

/* ============ FOOTER ============ */
footer { padding: clamp(90px, 14vh, 170px) var(--pad) 40px; }
.footer-cta h2 {
  font-family: var(--font-d); font-weight: 700;
  font-size: clamp(38px, 6vw, 88px);
  line-height: 1.04; letter-spacing: -0.02em;
  width: fit-content;
  background: linear-gradient(115deg, #ffffff 0%, #ffc07a 38%, #ff7a59 68%, #e34fa4 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.footer-cta p { color: var(--mut); margin: 22px 0 26px; }
.footer-base {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 28px;
  margin-top: clamp(70px, 10vh, 130px);
  padding-top: 32px; border-top: 1px solid var(--line);
}
.footer-logo { height: 54px; width: auto; }
.footer-info p { font-size: 13.5px; color: var(--dim); line-height: 1.7; }
.footer-copy { font-size: 12px; color: var(--dim); }