/* ============================================================
   Ahmed — AI-Primed Studio  ·  v2 "liquid" build
   Palette: #060608 black · violet #7C3AED · cyan #22D3EE (accent) · amber #F59E0B
   Type: Syne (display) · Instrument Sans (body) · JetBrains Mono (utility)
   ============================================================ */

:root {
  --bg: #060608;
  --bg-soft: #0c0c11;
  --ink: #f2f2f5;
  --ink-dim: #a7a7b4;
  --ink-faint: #5c5c6b;
  --violet: #7c3aed;
  --cyan: #22d3ee;
  --amber: #f59e0b;
  --accent: var(--cyan);
  --line: rgba(242, 242, 245, 0.09);
  --font-display: "Syne", sans-serif;
  --font-body: "Instrument Sans", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --ease: cubic-bezier(0.65, 0, 0.35, 1); /* power3.inOut equivalent for CSS */
  --dur-fast: 0.3s;
}

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

html { scroll-behavior: auto; } /* Lenis owns scrolling */

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* ---------- fluid canvas ---------- */

.fluid-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ---------- loader ---------- */

.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.loader__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.loader__count {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.5rem, 10vw, 7rem);
  line-height: 1;
  background: linear-gradient(120deg, var(--violet), var(--cyan) 55%, var(--amber));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.loader__label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
}

.loader__wipe {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--violet), var(--cyan) 55%, var(--amber));
  transform: scaleY(0);
  transform-origin: top;
  z-index: 1;
}

html:not(.js) .loader { display: none; }

/* ---------- nav ---------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1.25rem, 4vw, 3rem);
  background: linear-gradient(180deg, rgba(6, 6, 8, 0.85), rgba(6, 6, 8, 0));
}

.nav__mark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-decoration: none;
}

.nav__mark-sub {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--ink-dim);
  margin-left: 0.4rem;
}

.nav__links {
  display: flex;
  gap: clamp(1rem, 3vw, 2.25rem);
}

.nav__links a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}

.nav__links a:hover,
.nav__links a:focus-visible {
  color: var(--accent);
}

.nav__links a:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 4px;
}

@media (max-width: 640px) {
  .nav { padding: 0.9rem 1.1rem; gap: 1rem; }
  .nav__mark { font-size: 0.95rem; }
  .nav__links { gap: 0.85rem; }
  .nav__links a { font-size: 0.7rem; letter-spacing: 0.06em; }
  .nav__mark-sub { display: none; }
}

/* ---------- shared ---------- */

main { position: relative; z-index: 1; }

section {
  position: relative;
  padding: clamp(5rem, 12vh, 9rem) clamp(1.25rem, 6vw, 6rem);
  max-width: 1200px;
  margin: 0 auto;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--accent);
}

/* Lift body text off bright liquid regions */
.hero__sub,
.process__intro,
.work__intro,
.contact__sub,
.process__step p,
.spec-card__desc,
.section-title {
  text-shadow: 0 1px 16px rgba(6, 6, 8, 0.9), 0 0 3px rgba(6, 6, 8, 0.7);
}

.eyebrow--section { margin-bottom: 1rem; }

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5.5vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
  max-width: 18ch;
}

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.6rem;
  border: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease),
              background-color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease);
}

.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: var(--accent);
  color: var(--bg);
  font-weight: 500;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: #5be4fa;
}

.btn--ghost {
  border-color: var(--line);
  color: var(--ink-dim);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.btn:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 3px;
}

.btn--large {
  font-size: 1rem;
  padding: 1.1rem 2.2rem;
}

/* Reveal elements start hidden only when JS is running */
html.js .reveal-line,
html.js .reveal-title,
html.js .reveal-block,
html.js .spec-card,
html.js .process__step {
  opacity: 0;
}

/* ---------- hero ---------- */

.hero {
  min-height: 100vh;
  max-width: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 6rem;
}

.hero__content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 8.5vw, 6.5rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 1.4rem 0 1.6rem;
  will-change: transform;
}

.hero__sub {
  max-width: 34rem;
  color: var(--ink-dim);
  margin-bottom: 2.25rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.hero__scroll-line {
  width: 1px;
  height: 3rem;
  background: linear-gradient(180deg, var(--accent), transparent);
}

.hero__scroll-text {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
  text-transform: uppercase;
}

/* ---------- services ---------- */

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 2.5rem;
}

@media (max-width: 720px) {
  .spec-grid { grid-template-columns: 1fr; }
}

.spec-card {
  background: var(--bg-soft);
  padding: 2rem 1.75rem 2.25rem;
  position: relative;
  overflow: hidden;
  transition: background-color var(--dur-fast) var(--ease);
  will-change: transform, opacity;
}

.spec-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), var(--cyan), var(--amber));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--ease);
}

.spec-card:hover::after { transform: scaleX(1); }

.spec-card:hover { background: #101018; }

.spec-card__index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
}

.spec-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.45rem;
  margin: 0.9rem 0 0.7rem;
}

.spec-card__desc {
  color: var(--ink-dim);
  font-size: 0.98rem;
}

.spec-card__tag {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--amber);
}

/* ---------- process ---------- */

.process__intro {
  max-width: 36rem;
  color: var(--ink-dim);
  margin-bottom: 3rem;
}

.process__list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}

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

.process__step {
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
  will-change: transform, opacity;
}

.process__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
}

.process__step h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0.8rem 0 0.6rem;
}

.process__step p {
  color: var(--ink-dim);
  font-size: 0.98rem;
}

/* ---------- work ---------- */

.work__intro {
  max-width: 36rem;
  color: var(--ink-dim);
  margin-bottom: 2.5rem;
}

.work__frame {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  aspect-ratio: 16 / 9;
  will-change: transform, opacity;
}

.work__frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.work__caption {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-faint);
}

@media (max-width: 640px) {
  .work__frame { aspect-ratio: 4 / 5; }
}

/* ---------- contact ---------- */

.contact {
  text-align: center;
  padding-top: clamp(7rem, 18vh, 12rem);
  padding-bottom: clamp(7rem, 18vh, 12rem);
}

.contact .eyebrow--section { margin-bottom: 1.25rem; }

.section-title--contact {
  margin-left: auto;
  margin-right: auto;
  max-width: 16ch;
}

.contact__sub {
  max-width: 32rem;
  margin: 0 auto 2.5rem;
  color: var(--ink-dim);
}

/* ---------- footer ---------- */

.footer {
  position: relative;
  z-index: 1;
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 2rem clamp(1.25rem, 4vw, 3rem);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-faint);
  text-align: center;
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html.js .reveal-line,
  html.js .reveal-title,
  html.js .reveal-block,
  html.js .spec-card,
  html.js .process__step {
    opacity: 1;
  }
  .loader { display: none; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}