/* TerraVector Design System — shared tokens + reusable components */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

/* ── Tokens ─────────────────────────────────────────────────── */
:root {
  /* Base palette */
  --white:      #FFFFFF;
  --gray-50:    #F8F9FA;
  --gray-100:   #F1F3F5;
  --gray-200:   #E9ECEF;
  --gray-400:   #ADB5BD;
  --gray-500:   #8E9499;
  --gray-600:   #6C757D;
  --gray-700:   #495057;
  --gray-900:   #111827;

  /* Accent — deep slate-teal */
  --teal:       #1D6A72;
  --teal-dark:  #155960;
  --teal-light: #E8F4F5;

  /* Dark surfaces */
  --dark:       #0F1F21;
  --dark-70:    rgba(15,31,33,0.72);

  /* Legacy aliases — interior pages keep working until they adopt new tokens */
  --earth:      var(--dark);
  --chalk:      var(--gray-50);
  --clay:       var(--teal);
  --stone:      var(--gray-600);
  --ink:        var(--gray-900);
  --mist:       var(--gray-400);
  --sand:       var(--gray-100);
}

/* ── Base typography ────────────────────────────────────────── */
body {
  font-family: 'Inter', sans-serif;
  background: var(--gray-50);
  color: var(--gray-900);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.5px;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn-primary {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  padding: 14px 32px;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
  letter-spacing: -0.2px;
}
.btn-primary:hover {
  background: var(--teal-dark);
  transform: translateY(-1px);
}
.btn-primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--teal);
  border: 1.5px solid var(--teal);
  padding: 13px 30px;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-secondary:hover {
  background: var(--teal-light);
}

.btn-ghost {
  display: inline-block;
  color: var(--gray-600);
  background: var(--gray-100);
  padding: 12px 24px;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 14px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}
.btn-ghost:hover { background: var(--gray-200); }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 32px;
}

.card-hover {
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
}
.card-hover:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  border-color: var(--teal);
  transform: translateY(-2px);
}

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

.section-pad     { padding: 96px 0; }
.section-pad-sm  { padding: 64px 0; }

/* ── Typography utilities ───────────────────────────────────── */
.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 12px;
}

/* Legacy alias used by existing HTML */
.section-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.section-title-light { color: #fff; }

.section-divider {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: 0;
}

/* ── Form elements ──────────────────────────────────────────── */
.form-input {
  padding: 12px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  background: var(--white);
  width: 100%;
  min-height: 48px;
  outline: none;
  color: var(--gray-900);
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
  touch-action: manipulation;
}
.form-input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(29,106,114,0.12);
}

.form-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray-600);
  margin-bottom: 5px;
  display: block;
}

/* ── Spinner ────────────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }

.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: none;
}

/* ── Trust badges ───────────────────────────────────────────── */
.badge-verified {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px;
  background: var(--teal-light); color: var(--teal-dark);
  font-family: 'Inter', sans-serif;
  font-weight: 700; font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  border-radius: 999px;
  white-space: nowrap;
  vertical-align: middle;
  cursor: help;
  outline: none;
}

.badge-verified--inline {
  padding: 3px 9px;
  font-size: 10.5px;
  letter-spacing: 1px;
}

.badge-verified[data-tip] { position: relative; }

.badge-verified[data-tip]::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%; bottom: calc(100% + 8px);
  transform: translateX(-50%);
  min-width: 220px; max-width: 280px;
  padding: 10px 12px;
  background: var(--gray-900); color: var(--white);
  font-size: 12px; font-weight: 500;
  text-transform: none; letter-spacing: 0;
  line-height: 1.45;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
  white-space: normal;
  opacity: 0; visibility: hidden;
  transition: opacity 0.15s, visibility 0.15s;
  z-index: 50;
  pointer-events: none;
}

.badge-verified[data-tip]::before {
  content: '';
  position: absolute;
  left: 50%; bottom: calc(100% + 2px);
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--gray-900);
  opacity: 0; visibility: hidden;
  transition: opacity 0.15s, visibility 0.15s;
  z-index: 51;
}

.badge-verified[data-tip]:hover::after,
.badge-verified[data-tip]:hover::before,
.badge-verified[data-tip]:focus::after,
.badge-verified[data-tip]:focus::before,
.badge-verified[data-tip]:focus-visible::after,
.badge-verified[data-tip]:focus-visible::before {
  opacity: 1; visibility: visible;
}