/* ─── Design tokens: dark only ──────────────────────────────── */
:root {
  --bg:            #13161D;
  --surface:       #1C2030;
  --surface-2:     #232840;
  --border:        #2A3050;
  --text:          #D8DEEE;
  --text-muted:    #6A748F;
  --accent:        #00CEC9;
  --accent-dim:    rgba(0, 206, 201, 0.10);
  --accent-border: rgba(0, 206, 201, 0.28);
  --accent-glow:   rgba(0, 206, 201, 0.16);
  --font-ui:   'Segoe UI Variable Display', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Cascadia Code', 'Consolas', 'Courier New', monospace;
}

/* ─── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: var(--font-ui); text-wrap: balance; line-height: 1.13; }

/* ─── Eyebrow pill ──────────────────────────────────────────── */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 11px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 3px;
}
.eyebrow::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ─── Buttons ───────────────────────────────────────────────── */
.btn-primary {
  background: var(--accent);
  color: #0a0f14;
  border: none;
  padding: 10px 22px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  font-family: var(--font-ui);
  transition: opacity .18s, transform .15s;
}
.btn-primary:hover { opacity: .82; transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 22px;
  border-radius: 4px;
  font-weight: 500;
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  font-family: var(--font-ui);
  transition: border-color .18s, color .18s;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* ─── Language switcher ─────────────────────────────────────── */
.lang-switcher { display: flex; align-items: center; }
.lang-sep { color: var(--border); font-size: 13px; padding: 0 2px; user-select: none; }
.lang-form { display: flex; align-items: center; gap: 2px; }
.lang-btn {
  background: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 5px 9px;
  border-radius: 3px;
  transition: color .18s, background .18s, border-color .18s;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active {
  color: var(--accent);
  background: var(--accent-dim);
  border-color: var(--accent-border);
}

/* ─── Layout ────────────────────────────────────────────────── */
.container { max-width: 1080px; margin: 0 auto; padding: 0 40px; }
section { padding: 100px 0; }

/* ─── Nav ───────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  background: rgba(19, 22, 29, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.nav-logo-img {
  height: 38px;
  width: auto;
  display: block;
  mix-blend-mode: screen;
}
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14px;
  transition: color .18s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { transform: scaleX(1); }

/* ─── Hero ──────────────────────────────────────────────────── */
#hero {
  padding-top: 130px;
  padding-bottom: 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 60% 70% at 72% 45%, var(--accent-glow) 0%, transparent 65%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 56px;
  align-items: center;
}
.hero-eyebrow { margin-bottom: 28px; }
.hero-h1 {
  font-size: clamp(36px, 5.2vw, 62px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 26px;
  color: var(--text);
}
.hero-h1 .highlight { color: var(--accent); }
.hero-lead {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 430px;
  margin-bottom: 40px;
  line-height: 1.72;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

.video-wrap {
  position: relative;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 0 60px var(--accent-glow), inset 0 0 1px var(--accent-border);
}
.video-wrap video { display: block; width: 100%; height: 100%; object-fit: cover; }

/* ─── Section header ────────────────────────────────────────── */
.section-head { margin-bottom: 56px; }
.section-head .eyebrow { margin-bottom: 18px; }
.section-head h2 {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
}
.section-head p { color: var(--text-muted); font-size: 17px; max-width: 560px; }

/* ─── Philosophy ────────────────────────────────────────────── */
#philosophy {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.phi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.phi-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: border-color .25s, transform .2s;
}
.phi-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s;
}
.phi-card:hover { border-color: var(--accent-border); transform: translateY(-4px); }
.phi-card:hover::after { transform: scaleX(1); }
.phi-icon {
  width: 42px; height: 42px;
  border-radius: 8px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 22px;
}
.phi-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
.phi-card p { font-size: 14px; color: var(--text-muted); line-height: 1.65; }

/* ─── Services ──────────────────────────────────────────────── */
.svc-list { display: flex; flex-direction: column; gap: 4px; }
.svc-row {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 26px 30px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: default;
  transition: border-color .2s, background .2s;
}
.svc-row:hover { border-color: var(--accent-border); background: var(--surface-2); }
.svc-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  opacity: .5;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.svc-content h3 { font-size: 17px; font-weight: 700; margin-bottom: 5px; }
.svc-content p { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; }
.svc-meta { text-align: right; min-width: 160px; }
.svc-meta-label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: .7;
  display: block;
  margin-bottom: 4px;
}
.svc-meta-tech { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

/* ─── Process ───────────────────────────────────────────────── */
#process {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.process-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 60px;
  position: relative;
}
.process-track::before {
  content: '';
  position: absolute;
  top: 19px;
  left: calc(12.5% + 10px);
  right: calc(12.5% + 10px);
  height: 1px;
  background: linear-gradient(to right, var(--accent) 0%, var(--border) 70%);
}
.step { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 0 14px; }
.step-circle {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 22px;
  position: relative;
  z-index: 1;
  transition: border-color .22s, background .22s;
}
.step:hover .step-circle { border-color: var(--accent); background: var(--accent-dim); }
.step h3 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 13px; color: var(--text-muted); line-height: 1.65; }

/* ─── Contact ───────────────────────────────────────────────── */
.contact-card {
  max-width: 680px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 76px 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 280px; height: 1px;
  background: linear-gradient(to right, transparent, var(--accent), transparent);
}
.contact-card::after {
  content: '';
  position: absolute;
  top: -80px; left: 50%;
  transform: translateX(-50%);
  width: 320px; height: 160px;
  background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.contact-card .eyebrow { margin-bottom: 28px; }
.contact-card h2 {
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
}
.contact-card p {
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 38px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.contact-ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ─── Contact form ──────────────────────────────────────────── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
  margin-top: 4px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.form-input {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 11px 14px;
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 14px;
  width: 100%;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.form-input::placeholder { color: var(--text-muted); opacity: .55; }
.form-input:focus {
  border-color: var(--accent-border);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.form-submit { width: 100%; margin-top: 6px; padding: 13px; font-size: 14px; }

.form-feedback {
  border-radius: 4px;
  padding: 12px 16px;
  font-size: 14px;
  margin-bottom: 8px;
  text-align: left;
}
.form-feedback--success {
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  color: var(--accent);
}
.form-feedback--error {
  background: rgba(220, 60, 60, 0.08);
  border: 1px solid rgba(220, 60, 60, 0.28);
  color: #f87171;
}

/* ─── Footer ────────────────────────────────────────────────── */
footer { border-top: 1px solid var(--border); padding: 30px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; }
.footer-copy { font-size: 13px; color: var(--text-muted); }

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 860px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .container { padding: 0 20px; }
  .hero-inner { grid-template-columns: 1fr; }
  .video-wrap { display: none; }
  .phi-grid { grid-template-columns: 1fr; }
  .svc-row { grid-template-columns: 40px 1fr; }
  .svc-meta { display: none; }
  .process-track { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .process-track::before { display: none; }
  section { padding: 68px 0; }
  .contact-card { padding: 48px 24px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}