/* ══════════════════════════════════════════════════════════════
   Portugal Travel Hub — Design System
   Fonts:  Bodoni Moda (headings) · Inter (body)
   Colors: Ocean Blue #0a3d6b · Gold #c9a84c
   ══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Bodoni+Moda:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600&display=swap');

/* ── Design Tokens ──────────────────────────────────────────── */
:root {
  --blue:         #0a3d6b;
  --blue-mid:     #1a5fa3;
  --blue-light:   #2980d4;
  --blue-glow:    rgba(10, 61, 107, 0.18);
  --gold:         #c9a84c;
  --gold-light:   #e8c97a;
  --gold-glow:    rgba(201, 168, 76, 0.28);
  --white:        #ffffff;
  --off-white:    #f6f4ef;
  --text:         #1a1a2e;
  --text-mid:     #4a5568;
  --text-light:   #718096;
  --surface:      rgba(255,255,255,0.06);
  --glass:        rgba(255,255,255,0.10);
  --glass-border: rgba(255,255,255,0.20);
  --shadow-xs:    0 1px 4px rgba(10,61,107,0.06);
  --shadow-sm:    0 2px 8px rgba(10,61,107,0.06), 0 8px 24px rgba(10,61,107,0.08);
  --shadow:       0 4px 16px rgba(10,61,107,0.10), 0 12px 40px rgba(10,61,107,0.12);
  --shadow-lg:    0 8px 32px rgba(10,61,107,0.16), 0 24px 64px rgba(10,61,107,0.14);
  --shadow-gold:  0 8px 32px rgba(201,168,76,0.35);
  --font-heading: 'Bodoni Moda', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --radius-sm:    8px;
  --radius:       16px;
  --radius-lg:    20px;
  --radius-pill:  50px;
  --ease:         cubic-bezier(0.4, 0, 0.2, 1);
  --transition:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Base ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--off-white);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { display: block; max-width: 100%; }
a   { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Accessibility ──────────────────────────────────────────── */
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }
.skip-link {
  position: absolute; top: -100%; left: 16px;
  background: var(--blue); color: var(--white);
  padding: 8px 16px; border-radius: var(--radius-sm); z-index: 9999;
  font-family: var(--font-body); font-size: 0.875rem; transition: top 0.2s;
}
.skip-link:focus { top: 16px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius-pill);
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 500;
  letter-spacing: 0.025em; cursor: pointer; min-height: 48px;
  white-space: nowrap; border: none; position: relative; overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition),
    background var(--transition), border-color var(--transition), color var(--transition);
}
.btn::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255,255,255,0.20) 50%, transparent 65%);
  background-size: 200% 100%; background-position: 200% 0;
  transition: background-position 0.55s var(--ease); pointer-events: none;
}
.btn:hover::after { background-position: -200% 0; }
.btn:active       { transform: translateY(0) scale(0.98) !important; }

.btn-primary {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  color: var(--blue); font-weight: 600;
  box-shadow: 0 4px 16px rgba(201,168,76,0.32), 0 1px 4px rgba(201,168,76,0.18);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(201,168,76,0.50), 0 4px 12px rgba(201,168,76,0.24);
}

.btn-blue {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-mid) 100%);
  color: var(--white); font-weight: 500; box-shadow: var(--shadow);
}
.btn-blue:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.btn-outline {
  border: 1.5px solid var(--glass-border) !important;
  color: var(--white) !important; backdrop-filter: blur(12px);
  background: var(--glass) !important; font-weight: 400;
}
.btn-outline::after { display: none; }
.btn-outline:hover {
  border-color: rgba(201,168,76,0.65) !important;
  color: var(--gold) !important; background: rgba(201,168,76,0.09) !important;
}

/* ── Submit button (forms — rectangular exception) ──────────── */
.btn-submit {
  width: 100%; padding: 15px; border-radius: 14px; min-height: 52px;
  font-family: var(--font-body); font-size: 1rem; font-weight: 600;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-mid) 100%);
  color: var(--white); cursor: pointer; border: none;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  box-shadow: 0 4px 20px rgba(10,61,107,0.28); position: relative; overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}
.btn-submit:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(10,61,107,0.38); }
.btn-submit:disabled { opacity: 0.65; cursor: not-allowed; transform: none !important; }
.btn-submit .spinner {
  width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.35);
  border-top-color: var(--white); border-radius: 50%;
  animation: spin 0.7s linear infinite; display: none;
}
.btn-submit.loading .spinner  { display: block; }
.btn-submit.loading .btn-text { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.btn-social {
  width: 100%; padding: 13px; border-radius: var(--radius-sm); min-height: 48px;
  border: 1.5px solid rgba(10,61,107,0.12); background: var(--white);
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 500;
  color: var(--text); cursor: pointer; display: flex; align-items: center;
  justify-content: center; gap: 10px; transition: var(--transition); box-shadow: var(--shadow-xs);
}
.btn-social:hover { border-color: rgba(10,61,107,0.25); background: rgba(10,61,107,0.025); box-shadow: var(--shadow-sm); }
.btn-social svg { width: 20px; height: 20px; }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); border: 1px solid rgba(10,61,107,0.07);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 32px rgba(10,61,107,0.14), 0 24px 56px rgba(10,61,107,0.10);
  border-color: rgba(201,168,76,0.30);
}
.card--elevated { box-shadow: var(--shadow); }
.card--glass { background: var(--glass); border: 1px solid var(--glass-border); backdrop-filter: blur(12px); }

.partner-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 40px 32px;
  box-shadow: var(--shadow-sm); border: 1px solid rgba(10,61,107,0.07);
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition), border-left-color var(--transition);
}
.partner-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 32px rgba(10,61,107,0.14), 0 24px 56px rgba(10,61,107,0.10);
  border-color: rgba(201,168,76,0.35); border-left: 3px solid var(--gold);
}

.dest-card {
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.dest-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 28px 72px rgba(10,61,107,0.22), 0 8px 24px rgba(10,61,107,0.10);
}

/* ── Hero text ──────────────────────────────────────────────── */
.hero-title { text-shadow: 0 2px 4px rgba(0,0,0,0.25), 0 4px 24px rgba(10,61,107,0.40); }
.hero-title em { font-style: italic; color: var(--gold-light); }

/* ── Toast ──────────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 32px; right: 24px; z-index: 9999;
  display: flex; align-items: center; gap: 10px;
  padding: 14px 24px; border-radius: var(--radius);
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 500;
  background: var(--blue); color: var(--white); box-shadow: var(--shadow-lg);
  transform: translateY(100px); opacity: 0;
  transition: transform 0.35s var(--ease), opacity 0.35s var(--ease); max-width: 360px;
}
.toast--visible { transform: translateY(0); opacity: 1; }
.toast--success { background: #1a7a4c; }
.toast--error   { background: #c0392b; }
.toast--info    { background: var(--blue-mid); }
.toast__icon    { font-size: 1rem; flex-shrink: 0; }

/* ── Section commons ────────────────────────────────────────── */
.section-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-heading); font-size: clamp(2rem, 4vw, 3rem);
  color: var(--blue); line-height: 1.1; font-weight: 700;
}
.section-title em { font-style: italic; }
.section-subtitle {
  margin-top: 16px; color: var(--text-mid); font-size: 1.05rem;
  max-width: 540px; margin-left: auto; margin-right: auto; line-height: 1.7;
}

/* ── Reveal ─────────────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Utilities ──────────────────────────────────────────────── */
.text-heading { font-family: var(--font-heading); }
.text-body    { font-family: var(--font-body); }
.text-gold    { color: var(--gold); }
.text-blue    { color: var(--blue); }
.text-mid     { color: var(--text-mid); }