/* =========================
   1) Design Tokens (Local Service)
   ========================= */
:root {
  /* Brand (swap per client) */
  --brand-500: #0ea5e9;   /* primary (sky) */
  --brand-600: #0284c7;   /* hover */
  --brand-700: #0369a1;   /* pressed */
  --accent-500: #f97316;  /* accent (orange) */

  /* Neutrals */
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-2: #f8fafc;  /* slate-50 */
  --text: #0f172a;       /* slate-900 */
  --muted: #475569;      /* slate-600 */
  --border: #e2e8f0;     /* slate-200 */

  /* Typography */
  --font-sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --text-base: 16px;
  --line: 1.55;

  --h1: clamp(2.1rem, 4.2vw, 3.1rem);
  --h2: clamp(1.6rem, 2.8vw, 2.25rem);
  --h3: 1.25rem;

  /* Layout */
  --container: 1120px;
  --gutter: 20px;

  /* Spacing */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-8: 32px;
  --s-10: 40px;
  --s-12: 48px;
  --s-14: 56px;

  /* Radius */
  --r-1: 12px;
  --r-2: 16px;
  --r-3: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.12);

  /* Motion */
  --ease: cubic-bezier(.2,.8,.2,1);
  --dur-1: 140ms;
  --dur-2: 220ms;
  --dur-3: 360ms;
}

/* =========================
   2) Base / Reset
   ========================= */
* { box-sizing: border-box; }
html { font-size: var(--text-base); }
body {
  margin: 0;
  font-family: var(--font-sans);
  line-height: var(--line);
  color: var(--text);
  background: var(--bg);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: none; }
p { margin: 0 0 var(--s-4); color: var(--muted); }
h1, h2, h3 { margin: 0 0 var(--s-3); line-height: 1.15; }
h1 { font-size: var(--h1); }
h2 { font-size: var(--h2); }
h3 { font-size: var(--h3); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section { padding: var(--s-12) 0; }
.section--alt { background: var(--surface-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.stack > * + * { margin-top: var(--s-4); }

.grid {
  display: grid;
  gap: var(--s-6);
}
@media (min-width: 820px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.hr {
  height: 1px;
  background: var(--border);
  margin: var(--s-8) 0;
}

/* =========================
   3) Components
   ========================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.brand-mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  gap: var(--s-4);
  align-items: center;
  flex-wrap: wrap;
}
.nav a {
  color: var(--muted);
  font-weight: 600;
}
.nav a:hover { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 12px 16px;
  border-radius: var(--r-2);
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 800;
  transition: transform var(--dur-1) var(--ease),
              background var(--dur-1) var(--ease),
              border-color var(--dur-1) var(--ease),
              box-shadow var(--dur-1) var(--ease);
  will-change: transform;
}

.btn-primary {
  background: var(--brand-600);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--brand-700); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-accent {
  background: var(--accent-500);
  color: #111827;
  box-shadow: var(--shadow-sm);
}
.btn-accent:hover { transform: translateY(-1px); }
.btn-accent:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--brand-500); transform: translateY(-1px); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.9rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: var(--s-6);
  box-shadow: var(--shadow-sm);
}

.card-title { color: var(--text); margin-bottom: var(--s-2); font-weight: 900; }
.small { font-size: 0.95rem; }

.kpi {
  display: flex;
  gap: var(--s-4);
  flex-wrap: wrap;
}
.kpi .item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-2);
  padding: 10px 12px;
  font-weight: 800;
}
.kpi .item span { color: var(--muted); font-weight: 700; }

.hero {
  padding: var(--s-14) 0 var(--s-12);
  background:
    radial-gradient(800px 400px at 20% 10%, rgba(14,165,233,0.14), transparent 60%),
    radial-gradient(700px 380px at 90% 0%, rgba(249,115,22,0.12), transparent 55%);
}
.hero h1 { letter-spacing: -0.03em; }
.hero .lead { font-size: 1.1rem; max-width: 52ch; }

.hero-actions {
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
  margin-top: var(--s-5);
}

.trust-row {
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
  margin-top: var(--s-6);
  color: var(--muted);
  font-weight: 700;
}
.trust-pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 10px;
  background: rgba(255,255,255,0.7);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--s-8) 0;
  background: var(--surface-2);
}
.footer-grid {
  display: grid;
  gap: var(--s-6);
}
@media (min-width: 820px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}
.footer-links a { color: var(--muted); font-weight: 700; display: inline-block; margin: 6px 0; }
.footer-links a:hover { color: var(--text); }

.muted {
  color: var(--muted);
  opacity: 0.85;
}

.site-footer .muted {
  font-size: 0.85rem;
}

.site-footer a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.site-footer a:hover {
  color: var(--text);
}

/* =========================
   4) Motion / Animations
   ========================= */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; transform: translateY(10px); }
.reveal.is-visible { animation: fadeUp var(--dur-3) var(--ease) forwards; }