/* ===== Tokens ===== */
:root {
  --bg: #0b0b0d;
  --bg-alt: #131316;
  --bg-raised: #18181c;
  --text: #f2f1ed;
  --text-dim: #a3a3ac;
  --text-faint: #6e6e76;
  --accent: #4361ee;
  --accent-dim: #2f47b8;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --font-display: "Clash Display", "General Sans", sans-serif;
  --font-body: "General Sans", -apple-system, sans-serif;

  --radius-card: 16px;
  --radius-input: 8px;
  --radius-pill: 999px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== Reset ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; }
input, textarea, select { font: inherit; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.section__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section__title {
  font-size: clamp(1.75rem, 1.4rem + 1.5vw, 2.5rem);
  margin-bottom: 48px;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-pill);
  padding: 13px 26px;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
  border: 1px solid transparent;
}
.btn:active { transform: scale(0.97); }
.btn--primary { background: var(--accent); color: #ffffff; }
.btn--primary:hover { background: #5470f5; }
.btn--ghost { background: transparent; border-color: var(--border-strong); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); }
.btn--sm { padding: 9px 18px; font-size: 0.85rem; }
.btn--lg { padding: 15px 30px; font-size: 1rem; }
.btn--block { width: 100%; }

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.nav.is-scrolled {
  background: rgba(11, 11, 13, 0.82);
  backdrop-filter: blur(14px);
  border-color: var(--border);
}
.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
.nav__links {
  display: flex;
  gap: 32px;
  flex: 1;
  justify-content: center;
  font-size: 0.92rem;
  color: var(--text-dim);
}
.nav__links a { transition: color 0.2s var(--ease); }
.nav__links a:hover { color: var(--text); }
.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.4rem;
}
.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px 24px 24px;
  background: rgba(11, 11, 13, 0.98);
  border-bottom: 1px solid var(--border);
}
.nav__mobile a {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
}
.nav__mobile .btn { margin-top: 16px; }
.nav__mobile.is-open { display: flex; }

/* ===== Hero ===== */
.hero {
  padding: 152px 24px 96px;
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero__headline {
  font-size: clamp(2.4rem, 1.7rem + 3vw, 4.2rem);
  overflow: hidden;
}
.hero__headline .line {
  display: block;
  overflow: hidden;
}
.hero__headline em {
  font-style: normal;
  color: var(--accent);
}
.hero__sub {
  margin-top: 24px;
  max-width: 46ch;
  font-size: 1.1rem;
  color: var(--text-dim);
}
.hero__actions {
  margin-top: 36px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero__visual {
  position: relative;
}
.hero__frame {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border);
}
.hero__frame img { width: 100%; height: 100%; object-fit: cover; }

.media-placeholder {
  aspect-ratio: 4 / 5;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  padding: 24px;
  color: var(--text-faint);
  background:
    linear-gradient(155deg, rgba(67, 97, 238, 0.16), transparent 60%),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0 2px, transparent 2px 14px),
    var(--bg-raised);
}
.media-placeholder i { font-size: 2rem; color: var(--accent); }
.media-placeholder span { font-size: 0.85rem; }
.hero__frame--float .media-placeholder { aspect-ratio: 4 / 3; }
.media-placeholder--fill { position: absolute; inset: 0; aspect-ratio: auto; }
.hero__frame--float {
  position: absolute;
  width: 46%;
  bottom: -8%;
  left: -12%;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

/* ===== Services ===== */
.services { padding: 96px 0; background: var(--bg-alt); }
.services__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
}
.service {
  background: var(--bg-alt);
  padding: 48px 40px;
}
.service--accent { background: linear-gradient(160deg, rgba(67, 97, 238, 0.14), var(--bg-alt) 55%); }
.service__num {
  font-family: var(--font-display);
  color: var(--text-faint);
  font-size: 0.85rem;
}
.service__icon {
  display: block;
  font-size: 2rem;
  color: var(--accent);
  margin: 20px 0 16px;
}
.service h3 { font-size: 1.6rem; margin-bottom: 12px; }
.service p { color: var(--text-dim); max-width: 42ch; }
.service__list { margin-top: 24px; display: flex; flex-direction: column; gap: 10px; }
.service__list li {
  color: var(--text-dim);
  font-size: 0.92rem;
  padding-left: 22px;
  position: relative;
}
.service__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 12px; height: 1px;
  background: var(--accent);
}

/* ===== Work / Sticky Stack ===== */
.work { padding: 96px 0 0; }
.stack { position: relative; }
.stack-card {
  position: sticky;
  top: 0;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.stack-card__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.stack-card__media img,
.stack-card__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5);
}
.stack-card__info {
  position: relative;
  z-index: 1;
  max-width: 620px;
  padding: 40px;
  border-radius: var(--radius-card);
  background: rgba(11, 11, 13, 0.55);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(6px);
}
.stack-card__tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 14px;
}
.stack-card__info h3 {
  font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.1rem);
  margin-bottom: 14px;
}
.stack-card__info p { color: var(--text-dim); }

/* ===== Process ===== */
.process { padding: 96px 0; background: var(--bg-alt); }
.process__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.process__item i { font-size: 1.8rem; color: var(--accent); }
.process__item h3 { font-size: 1.3rem; margin: 16px 0 10px; }
.process__item p { color: var(--text-dim); font-size: 0.95rem; }

/* ===== About ===== */
.about { padding: 96px 0; }
.about__grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  align-items: center;
}
.about__visual img { border-radius: var(--radius-card); border: 1px solid var(--border); }
.about__copy p { color: var(--text-dim); margin-bottom: 20px; max-width: 56ch; }
.about__copy .btn { margin-top: 8px; }

/* ===== CTA / Contact ===== */
.cta { padding: 96px 0 120px; }
.cta__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  border-top: 1px solid var(--border);
  padding-top: 72px;
}
.cta__copy h2 {
  font-size: clamp(1.8rem, 1.4rem + 1.8vw, 2.6rem);
  margin-bottom: 18px;
}
.cta__copy p { color: var(--text-dim); max-width: 40ch; margin-bottom: 32px; }
.cta__contact a { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; }
.cta__social { display: flex; gap: 16px; margin-top: 20px; font-size: 1.3rem; color: var(--text-dim); }
.cta__social a:hover { color: var(--accent); }

.cta__form {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 0.85rem; color: var(--text-dim); }
.field input,
.field select,
.field textarea {
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-input);
  padding: 12px 14px;
  color: var(--text);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.field textarea { resize: vertical; }
.field__note { color: var(--accent); font-size: 0.9rem; text-align: center; }

/* ===== Footer ===== */
.footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer__inner p { color: var(--text-faint); font-size: 0.85rem; }

/* ===== Reveal ===== */
.reveal { opacity: 0; transform: translateY(28px); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__toggle { display: block; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__frame--float { display: none; }
  .services__grid { grid-template-columns: 1fr; }
  .process__grid { grid-template-columns: 1fr; gap: 32px; }
  .about__grid { grid-template-columns: 1fr; }
  .about__visual { max-width: 320px; }
  .cta__grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .hero { padding: 128px 20px 64px; }
  .section__inner { padding: 0 20px; }
  .stack-card__info { padding: 28px; }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}