:root {
  --bg: #F4F3EF;
  --card: #FFFFFF;
  --card-border: rgba(0,0,0,0.06);
  --text: #1A1A1A;
  --text-sec: #6B6B6E;
  --text-dim: #A0A0A3;
  --accent: #E8502E;
  --accent-soft: rgba(232,80,46,0.08);
  --green: #2AB558;
  --radius: 20px;
  --gap: 10px;
  --font: 'Onest', sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --shadow: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.08);
  --nav-bg: rgba(244,243,239,0.85);
  --chip-bg: rgba(0,0,0,0.035);
  --chip-border: rgba(0,0,0,0.06);
  --glow: rgba(232,80,46,0.04);
  --mesh1: rgba(232,80,46,0.06);
  --mesh2: rgba(255,160,60,0.05);
}

[data-theme="dark"] {
  --bg: #0C0C0D;
  --card: #161618;
  --card-border: rgba(255,255,255,0.06);
  --text: #F2F2F2;
  --text-sec: #8A8A8E;
  --text-dim: #505053;
  --accent-soft: rgba(232,80,46,0.12);
  --shadow: 0 1px 3px rgba(0,0,0,0.2);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.3);
  --nav-bg: rgba(22,22,24,0.82);
  --chip-bg: rgba(255,255,255,0.04);
  --chip-border: rgba(255,255,255,0.06);
  --glow: rgba(232,80,46,0.06);
  --mesh1: rgba(232,80,46,0.08);
  --mesh2: rgba(255,160,60,0.06);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background 0.45s, color 0.45s;
}

/* ——— NAV ——— */
nav {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  transition: background 0.45s, border-color 0.45s;
}

nav a {
  padding: 8px 16px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-sec);
  text-decoration: none;
  border-radius: 12px;
  transition: all 0.2s;
}

nav a:hover { color: var(--text); background: var(--chip-bg); }

.theme-toggle {
  width: 34px; height: 34px;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: var(--card);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
  transition: all 0.3s;
  flex-shrink: 0;
  position: relative;
  margin-left: 4px;
}

.theme-toggle:hover { border-color: var(--accent); transform: rotate(20deg); }
.theme-toggle .icon-sun, .theme-toggle .icon-moon {
  position: absolute; transition: opacity 0.3s, transform 0.3s;
}
.theme-toggle .icon-moon { opacity: 0; transform: rotate(-90deg) scale(0.5); }
[data-theme="dark"] .theme-toggle .icon-sun { opacity: 0; transform: rotate(90deg) scale(0.5); }
[data-theme="dark"] .theme-toggle .icon-moon { opacity: 1; transform: rotate(0) scale(1); }

/* ——— LAYOUT ——— */
.container { max-width: 1060px; margin: 0 auto; padding: 0 20px; }

.grid { display: grid; gap: var(--gap); }

.section-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  margin-bottom: 16px;
  padding-top: 72px;
}

/* ——— CARD ——— */
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: background 0.45s, border-color 0.3s, transform 0.4s cubic-bezier(0.2,0,0,1), box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(232,80,46,0.12);
}

.card.static:hover { transform: none; box-shadow: var(--shadow); border-color: var(--card-border); }

.card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(500px circle at var(--mx,50%) var(--my,50%), var(--glow), transparent 60%);
  opacity: 0; transition: opacity 0.35s; pointer-events: none;
}
.card:hover::before { opacity: 1; }

/* ============ HERO ============ */
.hero-grid {
  grid-template-columns: 1fr;
  padding-top: 90px;
}

.hero-intro {
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 340px;
}

.hero-intro .mesh {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 15% 85%, var(--mesh1), transparent 50%),
    radial-gradient(ellipse at 85% 15%, var(--mesh2), transparent 50%);
  animation: meshMove 14s ease-in-out infinite alternate;
}

@keyframes meshMove {
  0% { filter: hue-rotate(0deg) brightness(1); }
  100% { filter: hue-rotate(10deg) brightness(1.05); }
}

.hero-intro .inner { position: relative; z-index: 1; }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 0.7rem;
  color: var(--accent); margin-bottom: 14px;
}

.status-dot {
  width: 7px; height: 7px; background: var(--green);
  border-radius: 50%; animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(42,181,88,0.4); }
  50% { box-shadow: 0 0 0 5px rgba(42,181,88,0); }
}

.hero-intro h1 {
  font-size: 2.8rem; font-weight: 800;
  line-height: 1.05; letter-spacing: -0.035em;
  margin-bottom: 14px;
}

.hero-intro p {
  font-size: 1.05rem; color: var(--text-sec);
  line-height: 1.65; max-width: 520px;
}

.hero-cta {
  display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap;
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 13px;
  font-size: 0.9rem; font-weight: 600;
  text-decoration: none; font-family: var(--font);
  cursor: pointer; border: none; transition: all 0.25s;
}

.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(232,80,46,0.25); }

.btn-outline {
  background: var(--chip-bg); color: var(--text);
  border: 1px solid var(--card-border);
}
.btn-outline:hover { border-color: var(--accent); transform: translateY(-2px); }

/* stack strip — full width, no card, just logos */
.stack-strip {
  padding: 48px 0 32px;
}

.stack-marquee {
  overflow: hidden; width: 100%;
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.stack-track {
  display: flex; gap: 36px; align-items: center;
  animation: scroll 26s linear infinite;
  width: max-content;
}

@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.stack-logo {
  width: 44px; height: 44px; flex-shrink: 0;
  opacity: 0.35; transition: opacity 0.3s;
}

.stack-logo:hover { opacity: 0.85; }

/* ============ SERVICES ============ */
.services-grid {
  grid-template-columns: 1fr 1fr 1fr;
}

.svc-card {
  padding: 28px;
  display: flex; flex-direction: column;
  justify-content: space-between;
  min-height: 220px;
  gap: 24px;
}

.svc-card .svc-top {
  display: flex; align-items: flex-start;
  justify-content: space-between;
}

.svc-icon {
  font-size: 1.4rem;
  width: 46px; height: 46px; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft);
  transition: background 0.3s, transform 0.3s;
}

.svc-card:hover .svc-icon {
  background: var(--accent);
  color: #fff;
  transform: scale(1.05);
}

.svc-num {
  font-family: var(--mono); font-size: 0.62rem;
  color: var(--text-dim);
}

.svc-card h3 {
  font-size: 1.2rem; font-weight: 700;
  letter-spacing: -0.02em; line-height: 1.25;
  margin-bottom: 8px;
}

.svc-card p {
  font-size: 0.85rem; color: var(--text-sec); line-height: 1.6;
}

/* ============ CONTACTS ============ */
.contacts-grid { grid-template-columns: 1fr 1fr; }
.contact-item {
  display: flex; align-items: center; gap: 16px;
  padding: 22px 26px; cursor: pointer;
}

.contact-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); flex-shrink: 0;
  transition: background 0.25s, transform 0.25s;
}

.contact-item:hover .contact-icon {
  background: var(--accent);
  color: #fff;
  transform: scale(1.05);
}

.contact-info { flex: 1; }

.contact-name {
  font-size: 0.95rem; font-weight: 600;
  margin-bottom: 2px;
}

.contact-value {
  font-size: 0.8rem; color: var(--text-sec);
}

.contact-arrow {
  font-size: 1.1rem; color: var(--text-dim);
  transition: transform 0.25s, color 0.25s;
}

.contact-item:hover .contact-arrow {
  transform: translateX(4px); color: var(--accent);
}

/* ============ FOOTER ============ */
footer {
  padding: 28px 0; text-align: center;
  font-size: 0.75rem; color: var(--text-dim);
  border-top: 1px solid var(--card-border);
  max-width: 1060px; margin: 0 auto;
}

/* ============ ANIMATIONS ============ */
.fade-up {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.55s cubic-bezier(0.2,0,0,1), transform 0.55s cubic-bezier(0.2,0,0,1);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

.stagger > *:nth-child(1) { transition-delay: 0s; }
.stagger > *:nth-child(2) { transition-delay: 0.05s; }
.stagger > *:nth-child(3) { transition-delay: 0.1s; }
.stagger > *:nth-child(4) { transition-delay: 0.15s; }
.stagger > *:nth-child(5) { transition-delay: 0.2s; }

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .hero-grid, .services-grid, .contacts-grid {
    grid-template-columns: 1fr;
  }
  .hero-grid { grid-template-rows: auto; padding-top: 76px; }
  .hero-intro { grid-column: 1; grid-row: auto; padding: 32px; }
  .hero-intro h1 { font-size: 2rem; }
  .stack-card { grid-column: 1; }
  .svc-main { grid-row: auto; min-height: auto; }
  .about-text { grid-row: auto; }
  .cta-card { padding: 40px 24px; }
  .cta-card h2 { font-size: 1.5rem; }
  nav { gap: 2px; }
  nav a { padding: 7px 10px; font-size: 0.7rem; }
}