/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:     #eeeef0;
  --bg-2:   #e3e3e6;
  --card:   #ffffff;
  --ink:    #1c1c1f;
  --mute:   #55555c;
  --mute-2: #86868f;
  --accent: #00b386;
  --accent-2: #7c3aed;
  --line:   rgba(20,20,25,0.1);

  --gradient-1: #ff006e;
  --gradient-2: #8338ec;
  --gradient-3: #3a86ff;
  --gradient-4: #06ffa5;

  --sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  overflow-x: clip;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.05; letter-spacing: -0.02em; }
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* =============================================================
   3. Utilities
   ============================================================= */
.container { max-width: 1240px; margin-inline: auto; padding-inline: 1.25rem; }
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1rem; background: var(--ink); color: var(--bg);
  z-index: 9999; border-radius: 8px; font-weight: 600;
}
.skip-link:focus { top: 1rem; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.kicker {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.kicker::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 12px var(--accent);
}

/* =============================================================
   4. Typography
   ============================================================= */
.section-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  max-width: 20ch;
}
.section-title em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.eyebrow { color: var(--mute); font-size: 1.05rem; max-width: 56ch; margin-top: 1rem; }

/* =============================================================
   5. Components
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .9rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  transition: transform .3s var(--ease-out), background .3s var(--ease-out), color .3s var(--ease-out);
}
.btn-primary {
  background: var(--ink); color: var(--bg);
}
.btn-primary:hover { transform: translateY(-2px); background: var(--accent); }
.btn-ghost {
  border: 1px solid var(--line); color: var(--ink);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1.1rem 0;
  background: rgba(238,238,240,0.75);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease-out);
}
.nav.is-scrolled { border-color: var(--line); }
.nav .container { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-weight: 700; font-size: 1.1rem; letter-spacing: -0.01em; }
.nav-logo span { color: var(--accent); }
.nav-links { display: none; gap: 2rem; font-size: .92rem; color: var(--mute); }
.nav-links a { position: relative; transition: color .25s var(--ease-out); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -4px; height: 1px; width: 0;
  background: var(--accent); transition: width .3s var(--ease-out);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { width: 100%; }
@media (min-width: 720px) { .nav-links { display: flex; } }

.lang-switch {
  display: flex; align-items: center; gap: 2px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
}
.lang-switch button {
  border: 0; background: none; padding: .35rem .7rem;
  border-radius: 999px; font-family: var(--mono);
  font-size: .74rem; font-weight: 700; letter-spacing: .03em;
  color: var(--mute); transition: background .25s var(--ease-out), color .25s var(--ease-out);
}
.lang-switch button.is-active { background: var(--ink); color: var(--bg); }
.lang-switch button:hover:not(.is-active) { color: var(--ink); }

/* =============================================================
   6. Sections
   ============================================================= */

/* Hero */
.hero {
  position: relative;
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding-top: 6rem;
  overflow: clip;
}
.hero-gradient {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(circle 560px at var(--mx, 25%) var(--my, 20%), color-mix(in srgb, var(--accent) 22%, transparent) 0%, transparent 60%),
    radial-gradient(circle 480px at calc(var(--mx, 75%) + 4%) calc(var(--my, 80%) - 6%), color-mix(in srgb, var(--accent-2) 16%, transparent) 0%, transparent 60%),
    var(--bg);
  filter: blur(80px);
  transition: background .4s ease;
}
.hero-content { position: relative; }
.hero-title {
  font-size: clamp(2.6rem, 8vw, 6rem);
  font-weight: 800;
  max-width: 16ch;
  line-height: .98;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub {
  margin-top: 1.5rem;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--mute);
  max-width: 56ch;
}
.hero-actions { margin-top: 2.4rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-scroll {
  position: absolute; bottom: 2.2rem; left: 1.25rem;
  font-family: var(--mono); font-size: .75rem; color: var(--mute-2);
  display: flex; align-items: center; gap: .6rem;
}
.hero-scroll::after {
  content: ""; width: 1px; height: 32px; background: var(--line);
  position: relative; overflow: hidden;
}
.hero-scroll::before {
  content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--accent);
}

/* Manifesto */
.manifesto {
  padding-block: clamp(4rem, 10vw, 8rem);
  border-top: 1px solid var(--line);
}
.manifesto p {
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  max-width: 60ch;
  color: var(--mute);
  line-height: 1.5;
}
.manifesto strong { color: var(--ink); font-weight: 600; }

/* Stats */
.stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-block: 3rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat-value {
  font-family: var(--mono);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--accent);
}
.stat-label { color: var(--mute); font-size: .88rem; margin-top: .4rem; }

/* Work — grid of project cards */
.work { padding-block: clamp(4rem, 10vw, 7rem); }
.work-header { margin-bottom: 3rem; }
.work-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}
@media (min-width: 720px) { .work-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1280px) { .work-grid { grid-template-columns: repeat(3, 1fr); } }

.work-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--card);
  overflow: hidden;
  transition: transform .35s var(--ease-out), border-color .35s var(--ease-out), box-shadow .35s var(--ease-out);
}
.work-card:hover {
  transform: translateY(-6px);
  border-color: var(--swatch, var(--accent));
  box-shadow: 0 20px 40px -20px rgba(0,0,0,0.5);
}
.work-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background:
    radial-gradient(120% 140% at 15% 15%, color-mix(in srgb, var(--swatch, var(--accent)) 55%, transparent), transparent 60%),
    linear-gradient(135deg, color-mix(in srgb, var(--swatch, var(--accent)) 35%, var(--bg-2)), var(--bg-2));
}
.work-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease-out);
}
.work-card:hover .work-thumb img { transform: scale(1.06); }
.work-thumb-mark {
  font-family: var(--mono);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--ink);
  opacity: .9;
  letter-spacing: -0.02em;
}
.work-body { padding: 1.4rem 1.5rem 1.6rem; }
.work-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.work-name { font-size: 1.3rem; font-weight: 700; }
.work-year { font-family: var(--mono); color: var(--mute-2); font-size: .8rem; white-space: nowrap; margin-top: .3rem; }
.work-tag { font-family: var(--mono); font-size: .78rem; color: var(--swatch, var(--accent)); margin-top: .5rem; display: block; }
.work-desc { color: var(--mute); font-size: .94rem; margin-top: .8rem; }
.work-link {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .88rem; font-weight: 600; color: var(--ink);
  margin-top: 1.2rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: .15rem;
  transition: color .3s var(--ease-out), border-color .3s var(--ease-out);
}
.work-card:hover .work-link { color: var(--swatch, var(--accent)); border-color: var(--swatch, var(--accent)); }

/* Process */
.process { padding-block: clamp(4rem, 10vw, 7rem); border-top: 1px solid var(--line); }
.process-grid { display: grid; gap: 2rem; margin-top: 2.5rem; }
@media (min-width: 720px) { .process-grid { grid-template-columns: repeat(3, 1fr); } }
.process-card { padding: 1.8rem; border: 1px solid var(--line); border-radius: 16px; background: var(--card); }
.process-num { font-family: var(--mono); color: var(--accent); font-size: 1rem; }
.process-title { margin-top: .8rem; font-size: 1.15rem; font-weight: 700; }
.process-desc { margin-top: .6rem; color: var(--mute); font-size: .95rem; }

/* Contact */
.contact { padding-block: clamp(5rem, 12vw, 9rem); border-top: 1px solid var(--line); }
.contact-header { text-align: center; }
.contact-title { font-size: clamp(1.8rem, 5vw, 3rem); max-width: 22ch; margin-inline: auto; }
.contact-note { margin-top: 1rem; color: var(--mute-2); font-size: .92rem; max-width: 46ch; margin-inline: auto; }

.contact-form {
  max-width: 560px;
  margin: 3rem auto 0;
  display: grid;
  gap: 1.1rem;
}
.form-field { display: grid; gap: .5rem; text-align: left; }
.form-field label {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--mute);
}
.form-field input,
.form-field textarea {
  width: 100%;
  padding: .9rem 1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: .98rem;
  transition: border-color .25s var(--ease-out), background .25s var(--ease-out);
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-2);
}
.form-field textarea { min-height: 140px; resize: vertical; }
.contact-form .btn { justify-self: start; margin-top: .4rem; }
.form-status { font-size: .88rem; color: var(--mute); min-height: 1.2em; }
.form-status.is-success { color: var(--accent); }

/* Footer */
.footer {
  padding-block: 2rem;
  border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: .6rem;
  align-items: center; text-align: center;
  color: var(--mute-2); font-size: .85rem;
}
@media (min-width: 720px) {
  .footer { flex-direction: row; justify-content: space-between; }
}

/* =============================================================
   7. Effects
   ============================================================= */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }

.count-up { font-variant-numeric: tabular-nums; }

/* =============================================================
   8. Responsive
   ============================================================= */
@media (min-width: 540px) { .container { padding-inline: 2rem; } }
@media (min-width: 960px) { .container { padding-inline: 2.5rem; } }
@media (min-width: 1280px) { .container { padding-inline: 3rem; } }

/* =============================================================
   9. Reduced motion (intrusive only)
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}