/* ============================================================
   phangngacamping.com — Shared Design System
   Klang Suan 68 | Palm Garden Retreat — PhangNga Camping
   2026
   ============================================================ */

/* ── TOKENS ── */
:root {
  --green:       #1B5E20;
  --green-dark:  #0F3512;
  --green-mid:   #2E7D32;
  --green-light: #E8F5E9;
  --gold:        #F57F17;
  --gold-light:  #FFF8E1;
  --bg:          #FAFAF7;
  --surface:     #FFFFFF;
  --text:        #1A1A1A;
  --muted:       #6B7280;
  --border:      #E5E7EB;
  --overlay:     rgba(15,53,18,0.62);
  --airbnb:      #FF5A5F;

  --f-display: 'Playfair Display', Georgia, serif;
  --f-body:    'DM Sans', system-ui, sans-serif;

  --xs:  8px;
  --sm:  16px;
  --md:  32px;
  --lg:  64px;
  --xl:  110px;

  --r-sm: 8px;
  --r-md: 16px;
  --r-lg: 32px;

  --shadow:       0 4px 24px rgba(0,0,0,0.08);
  --shadow-hover: 0 16px 48px rgba(0,0,0,0.14);
  --ease:         cubic-bezier(0.4,0,0.2,1);
  --t:            0.3s var(--ease);
}

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--f-body); background: var(--bg); color: var(--text); line-height: 1.65; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: var(--f-body); cursor: pointer; }
ul { list-style: none; }

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4 { font-family: var(--f-display); line-height: 1.15; }

/* ── LAYOUT ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--md);
}

.section { padding: var(--xl) 0; }
.section-alt { background: #F2F5F2; }

.section-header {
  text-align: center;
  margin-bottom: var(--lg);
}

.section-label {
  display: inline-block;
  background: var(--green-light);
  color: var(--green);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: var(--sm);
}

.section-header h2 {
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--xs);
}

.section-header p {
  color: var(--muted);
  font-size: 17px;
  max-width: 520px;
  margin: 0 auto;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--r-sm);
  font-family: var(--f-body);
  font-size: 15px;
  font-weight: 600;
  transition: var(--t);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--green);
  color: #fff;
}
.btn-primary:hover {
  background: #145214;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(27,94,32,0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}
.btn-secondary:hover {
  background: var(--green);
  color: #fff;
  transform: translateY(-2px);
}

.btn-airbnb {
  background: var(--airbnb);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,90,95,0.28);
}
.btn-airbnb:hover {
  background: #e04b50;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255,90,95,0.38);
}

.btn-ghost-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.45);
}
.btn-ghost-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.9);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
}

/* ── CARDS ── */
.card {
  background: var(--surface);
  border-radius: var(--r-md);
  box-shadow: var(--shadow);
  transition: var(--t);
}

.card-highlight {
  padding: var(--md);
  border-top: 3px solid transparent;
}
.card-highlight:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-top-color: var(--gold);
}
.card-icon {
  font-size: 42px;
  display: block;
  margin-bottom: var(--sm);
}
.card-highlight h3 {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 8px;
}
.card-highlight p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.65;
}

/* ── AMENITY PILL ── */
.amenity-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 14px;
  transition: var(--t);
  background: var(--surface);
}
.amenity-pill:hover {
  border-color: var(--green);
  background: var(--green-light);
}
.amenity-pill.safe {
  border-color: #A5D6A7;
  background: #F1F8F1;
}

/* ── SCROLL ANIMATION ── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.fade-up.visible { opacity: 1; transform: none; }

.fade-up:nth-child(2) { transition-delay: 0.08s; }
.fade-up:nth-child(3) { transition-delay: 0.16s; }
.fade-up:nth-child(4) { transition-delay: 0.24s; }
.fade-up:nth-child(5) { transition-delay: 0.32s; }
.fade-up:nth-child(6) { transition-delay: 0.40s; }

/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--md);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.navbar.at-top {
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.08), 0 4px 16px rgba(0,0,0,0.04);
}

.nav-logo {
  font-family: var(--f-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--green);
  transition: color var(--t);
}
.nav-logo span { color: var(--gold); }
.navbar.at-top .nav-logo { color: #fff; }
.navbar.at-top .nav-logo span { color: #FFD54F; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--md);
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: color var(--t);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transition: transform var(--t);
  transform-origin: left;
}
.nav-links a:hover { color: var(--green); }
.nav-links a:hover::after { transform: scaleX(1); }
.navbar.at-top .nav-links a { color: rgba(255,255,255,0.88); }
.navbar.at-top .nav-links a::after { background: rgba(255,255,255,0.6); }
.navbar.at-top .nav-links a:hover { color: #fff; }

.nav-actions { display: flex; align-items: center; gap: var(--sm); }

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  padding: 6px;
  flex-direction: column;
  gap: 5px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--t);
}
.navbar.at-top .nav-hamburger span { background: #fff; }

/* Mobile nav overlay */
.nav-mobile {
  display: none;
  position: fixed;
  top: 70px; left: 0; right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  box-shadow: 0 12px 32px rgba(0,0,0,0.1);
  padding: var(--md);
  z-index: 999;
  flex-direction: column;
  gap: var(--xs);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 12px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: color var(--t);
}
.nav-mobile a:last-of-type { border-bottom: none; }
.nav-mobile a:hover { color: var(--green); }
.nav-mobile .btn { margin-top: var(--sm); width: 100%; justify-content: center; }

/* ── PAGE HEADER (inner pages) ── */
.page-header {
  background: var(--green);
  padding: 120px 0 64px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(245,127,23,0.12) 0%, transparent 60%);
}
.page-header h1 {
  font-size: clamp(36px, 5vw, 54px);
  font-weight: 700;
  margin-bottom: var(--sm);
  position: relative;
}
.page-header p {
  font-size: 17px;
  opacity: 0.8;
  position: relative;
  max-width: 480px;
  margin: 0 auto;
}

/* ── FOOTER ── */
.footer {
  background: var(--green-dark);
  color: rgba(255,255,255,0.72);
  padding: var(--lg) 0 var(--md);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--lg);
  margin-bottom: var(--lg);
}
.footer-brand {
  font-family: var(--f-display);
  font-size: 23px;
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--sm);
}
.footer-brand span { color: var(--gold); }
.footer p { font-size: 14px; line-height: 1.75; }
.footer h4 {
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--sm);
}
.footer-links { display: flex; flex-direction: column; gap: 9px; }
.footer-links a {
  color: rgba(255,255,255,0.58);
  font-size: 14px;
  transition: color var(--t);
}
.footer-links a:hover { color: var(--gold); }
.footer-social { display: flex; flex-direction: column; gap: 10px; }
.social-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  transition: color var(--t);
}
.social-link:hover { color: var(--gold); }
.social-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0;
  transition: background var(--t);
}
.social-link:hover .social-icon { background: rgba(245,127,23,0.2); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--md);
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}

/* ── BOOKING CTA BAND ── */
.cta-band {
  background: var(--green);
  padding: var(--lg) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 65% 50%, rgba(245,127,23,0.18) 0%, transparent 55%);
}
.cta-band .container { position: relative; }
.cta-band h2 {
  font-size: clamp(28px, 4vw, 42px);
  color: #fff;
  font-weight: 700;
  margin-bottom: var(--sm);
}
.cta-band p {
  color: rgba(255,255,255,0.75);
  font-size: 17px;
  margin-bottom: var(--md);
  max-width: 520px;
  margin-left: auto; margin-right: auto;
}
.cta-band-btns {
  display: flex;
  gap: var(--sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* ── LANG TOGGLE ── */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: var(--sm);
}

.lang-btn {
  background: none;
  border: none;
  font-family: var(--f-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--muted);
  cursor: pointer;
  padding: 4px 7px;
  border-radius: 4px;
  transition: color var(--t), background var(--t);
  line-height: 1;
}

.lang-btn:hover { color: var(--green); background: var(--green-light); }
.lang-btn.active { color: var(--green); }

.lang-sep {
  color: var(--border);
  font-size: 11px;
  pointer-events: none;
  user-select: none;
}

.navbar.at-top .lang-btn { color: rgba(255,255,255,0.6); }
.navbar.at-top .lang-btn:hover { color: #fff; background: rgba(255,255,255,0.12); }
.navbar.at-top .lang-btn.active { color: #fff; }
.navbar.at-top .lang-sep { color: rgba(255,255,255,0.25); }

.lang-toggle-mobile {
  padding: 12px 0;
  border-top: 1px solid var(--border);
  margin-top: 4px;
  justify-content: flex-start;
  gap: 4px;
}

.lang-toggle-mobile .lang-btn { font-size: 14px; padding: 6px 10px; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  :root { --md: 24px; --lg: 48px; --xl: 80px; }
}

@media (max-width: 768px) {
  :root { --md: 20px; --lg: 40px; --xl: 64px; }
  .nav-links, .nav-actions .btn { display: none; }
  .nav-actions .lang-toggle { display: none; }
  .nav-hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--md); }
  .section { padding: 56px 0; }
}

@media (max-width: 480px) {
  :root { --md: 16px; }
}