/* ── Tokens ── */
:root {
  --green-900: #0f2914;
  --green-800: #1a3d1f;
  --green-700: #1f4a25;
  --green-600: #276533;
  --green-500: #348040;
  --green-400: #4a9e58;
  --green-300: #6dba7a;

  --yellow-600: #eeb723;
  --yellow-500: #f5c842;
  --yellow-400: #f9d96a;
  --yellow-200: #fdf0bc;

  --surface-0: #0d1f10;
  --surface-1: #111e14;
  --surface-2: #162019;
  --surface-3: #1c2b1f;
  --surface-4: #243228;

  --text-primary: #e8f0e9;
  --text-secondary: #9ab09d;
  --text-muted: #5a7a5e;

  --border: rgba(39, 101, 51, 0.25);
  --border-hover: rgba(238, 183, 35, 0.4);

  --radius: 12px;
  --radius-sm: 8px;
  --transition: 200ms ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--surface-0);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 31, 16, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--green-600), var(--yellow-600));
  border-radius: 6px;
  flex-shrink: 0;
}

.logo-text {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.lang-toggle {
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.lang-toggle:hover {
  border-color: var(--yellow-600);
  background: var(--surface-4);
}

.lang-current {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--yellow-500);
  letter-spacing: 0.04em;
}

/* ── Hero ── */
.hero {
  position: relative;
  padding: 6rem 2rem 4rem;
  overflow: hidden;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--yellow-600);
  margin-bottom: 1rem;
}

.hero-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.hero-title span {
  color: var(--green-400);
}

.hero-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 480px;
}

.hero-accent {
  position: absolute;
  top: -60px;
  right: -60px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(39, 101, 51, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

/* ── Services Grid ── */
.services {
  flex: 1;
  padding: 0 2rem 5rem;
}

.services-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

/* ── Card ── */
.card {
  background: var(--surface-1);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  cursor: pointer;
  transition: background var(--transition);
  position: relative;
}

.card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green-600), var(--yellow-600));
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  background: var(--surface-3);
}

.card:hover::after {
  opacity: 1;
}

.card:hover .card-arrow {
  color: var(--yellow-500);
  transform: translateX(4px);
}

.card:hover .card-icon svg {
  stroke: var(--yellow-500);
}

.card-icon {
  width: 44px;
  height: 44px;
  background: var(--surface-4);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}

.card-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--green-400);
  transition: stroke var(--transition);
}

.card-body {
  flex: 1;
}

.card-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
  letter-spacing: -0.01em;
}

.card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.card-arrow {
  font-size: 1.1rem;
  color: var(--text-muted);
  align-self: flex-end;
  transition: color var(--transition), transform var(--transition);
}

/* ── Footer ── */
.site-footer {
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.site-footer p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .hero { padding: 4rem 1.25rem 3rem; }
  .services { padding: 0 1.25rem 4rem; }
  .header-inner { padding: 0 1.25rem; }
  .services-grid { grid-template-columns: 1fr; }
  .card { padding: 1.5rem; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}