/* ============================================================
   Gbooky — Main Stylesheet
   Colors: #0F172A navy / #0EA5E9 sky / #FFFFFF white
   Font:   Inter
   Radius: 2-3px square feel, no capsules
   ============================================================ */

/* ── Variables ── */
:root {
  --clr-white:       #FFFFFF;
  --clr-bg:          #F8FAFC;
  --clr-bg-alt:      #F1F5F9;
  --clr-primary:     #0F172A;
  --clr-sky:         #0EA5E9;
  --clr-sky-dark:    #0284C7;
  --clr-sky-light:   #E0F2FE;
  --clr-sky-xlight:  #F0F9FF;
  --clr-body:        #334155;
  --clr-muted:       #64748B;
  --clr-border:      #E2E8F0;
  --clr-border-dark: #CBD5E1;
  --clr-dark:        #020617;

  --font-main:       'Inter', sans-serif;

  --fs-h1:    52px;
  --fs-h2:    36px;
  --fs-h3:    24px;
  --fs-h4:    20px;
  --fs-body:  16px;
  --fs-sub:   15px;
  --fs-small: 13px;
  --fs-xs:    12px;

  --lh-h1:   1.1;
  --lh-h2:   1.25;
  --lh-h3:   1.35;
  --lh-body: 1.65;

  --radius-sm:  2px;
  --radius:     3px;
  --radius-md:  6px;
  --radius-lg:  8px;

  --shadow-sm:  0 1px 3px rgba(15,23,42,0.08);
  --shadow:     0 4px 16px rgba(15,23,42,0.08);
  --shadow-lg:  0 8px 32px rgba(15,23,42,0.12);

  --header-h:   64px;
  --transition: 0.18s ease;
  --max-w:      1200px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-main);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--clr-body);
  background: var(--clr-white);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; font-size: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ── Page wrap ── */
.page-wrap { min-height: calc(100vh - var(--header-h)); }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1 { font-size: var(--fs-h1); font-weight: 800; line-height: var(--lh-h1); color: var(--clr-primary); letter-spacing: -1.5px; }
h2 { font-size: var(--fs-h2); font-weight: 700; line-height: var(--lh-h2); color: var(--clr-primary); letter-spacing: -0.5px; }
h3 { font-size: var(--fs-h3); font-weight: 600; line-height: var(--lh-h3); color: var(--clr-primary); }
h4 { font-size: var(--fs-h4); font-weight: 600; color: var(--clr-primary); }
p  { font-size: var(--fs-body); line-height: var(--lh-body); color: var(--clr-body); }

.text-sky    { color: var(--clr-sky); }
.text-muted  { color: var(--clr-muted); }
.text-white  { color: var(--clr-white); }
.text-primary { color: var(--clr-primary); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: var(--fs-sub);
  line-height: 1;
  padding: 11px 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary {
  background: var(--clr-sky);
  color: var(--clr-white);
  border-color: var(--clr-sky);
}
.btn-primary:hover {
  background: var(--clr-sky-dark);
  border-color: var(--clr-sky-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(14,165,233,0.3);
}
.btn-outline {
  background: transparent;
  color: var(--clr-primary);
  border-color: var(--clr-border-dark);
}
.btn-outline:hover {
  border-color: var(--clr-sky);
  color: var(--clr-sky);
}
.btn-ghost {
  background: transparent;
  color: var(--clr-body);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--clr-bg); color: var(--clr-primary); }

.btn-sm { padding: 8px 14px; font-size: var(--fs-small); }
.btn-lg { padding: 14px 28px; font-size: var(--fs-body); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: var(--clr-white);
  border-bottom: 1px solid var(--clr-border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: var(--shadow);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
  margin-right: 16px;
  text-decoration: none;
}
.logo-g {
  font-size: 22px;
  font-weight: 800;
  color: var(--clr-sky);
  letter-spacing: -0.5px;
  line-height: 1;
}
.logo-booky {
  font-size: 22px;
  font-weight: 700;
  color: var(--clr-primary);
  letter-spacing: -0.5px;
  line-height: 1;
}

/* Primary nav */
.primary-nav { margin-left: auto; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-item { position: relative; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-size: var(--fs-sub);
  font-weight: 500;
  color: var(--clr-body);
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.nav-link:hover { color: var(--clr-primary); background: var(--clr-bg); }
.nav-link.active { color: var(--clr-sky); }

/* Nav arrow */
.nav-chevron {
  width: 14px;
  height: 14px;
  color: var(--clr-muted);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.nav-item:hover .nav-chevron,
.nav-item:focus-within .nav-chevron { transform: rotate(180deg); }

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 16px;
  flex-shrink: 0;
}

/* Cart icon */
.cart-btn {
  position: relative;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--clr-body);
  transition: background var(--transition), color var(--transition);
}
.cart-btn:hover { background: var(--clr-bg); color: var(--clr-primary); }

/* User avatar */
.user-avatar-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px 4px 4px;
  border-radius: var(--radius);
  border: 1px solid var(--clr-border);
  background: var(--clr-white);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
}
.user-avatar-btn:hover { border-color: var(--clr-border-dark); background: var(--clr-bg); }
.user-avatar-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--clr-sky-light);
  color: var(--clr-sky-dark);
  font-size: var(--fs-xs);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
  flex-shrink: 0;
}
.user-firstname {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--clr-primary);
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* User dropdown */
.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  min-width: 200px;
  padding: 6px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 100;
}
.user-avatar-btn.open .user-dropdown,
.user-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.user-dropdown-header {
  padding: 10px 12px 8px;
  border-bottom: 1px solid var(--clr-border);
  margin-bottom: 4px;
}
.user-dropdown-name {
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--clr-primary);
}
.user-dropdown-email {
  font-size: var(--fs-xs);
  color: var(--clr-muted);
  margin-top: 2px;
}
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--clr-body);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
  width: 100%;
  text-align: left;
}
.dropdown-item:hover { background: var(--clr-bg); color: var(--clr-primary); }
.dropdown-item svg { width: 15px; height: 15px; flex-shrink: 0; color: var(--clr-muted); }
.dropdown-item:hover svg { color: var(--clr-sky); }
.dropdown-divider { height: 1px; background: var(--clr-border); margin: 4px 0; }
.dropdown-item.logout { color: #DC2626; }
.dropdown-item.logout:hover { background: #FEF2F2; }
.dropdown-item.logout svg { color: #DC2626; }

/* ============================================================
   MOBILE DRAWER
   ============================================================ */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 7px;
  border-radius: var(--radius);
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--clr-body);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.5);
  backdrop-filter: blur(3px);
  z-index: 1100;
  opacity: 0;
  transition: opacity var(--transition);
}
.mobile-overlay.open { opacity: 1; }

.mobile-drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 280px;
  max-width: 88vw;
  background: var(--clr-white);
  border-left: 1px solid var(--clr-border);
  z-index: 1200;
  transform: translateX(100%);
  transition: transform 0.28s ease;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--clr-border);
}
.drawer-close {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius);
  color: var(--clr-muted);
  font-size: 18px;
  transition: background var(--transition), color var(--transition);
}
.drawer-close:hover { background: var(--clr-bg); color: var(--clr-primary); }
.drawer-nav { padding: 12px 16px 24px; flex: 1; display: flex; flex-direction: column; }
.drawer-list { flex: 1; }
.drawer-item > a {
  display: block;
  padding: 13px 4px;
  font-size: var(--fs-body);
  font-weight: 500;
  color: var(--clr-body);
  border-bottom: 1px solid var(--clr-border);
  transition: color var(--transition);
}
.drawer-item > a:hover { color: var(--clr-sky); }
.drawer-cta { margin-top: 20px; width: 100%; justify-content: center; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--clr-primary);
  padding: 64px 0 0;
  margin-top: 0;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo { margin-bottom: 12px; }
.footer-logo .logo-g { color: var(--clr-sky); }
.footer-logo .logo-booky { color: var(--clr-white); }
.footer-tagline {
  font-size: var(--fs-sub);
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
  margin-bottom: 20px;
}
.footer-socials { display: flex; gap: 8px; }
.social-link {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  color: rgba(255,255,255,0.5);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.social-link:hover { border-color: var(--clr-sky); color: var(--clr-sky); background: rgba(14,165,233,0.08); }
.footer-heading {
  font-size: var(--fs-xs);
  font-weight: 700;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: var(--fs-sub);
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--clr-white); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}
.footer-copy { font-size: var(--fs-small); color: rgba(255,255,255,0.35); }
.footer-email {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.4);
  transition: color var(--transition);
}
.footer-email:hover { color: var(--clr-sky); }

/* ============================================================
   UTILITY
   ============================================================ */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-label {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--clr-sky);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--clr-sky-light);
  color: var(--clr-sky-dark);
}
.divider { height: 1px; background: var(--clr-border); margin: 0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  :root { --fs-h1: 42px; --fs-h2: 30px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root {
    --fs-h1: 32px;
    --fs-h2: 26px;
    --fs-h3: 20px;
    --fs-body: 15px;
  }
  .primary-nav { display: none; }
  .header-actions .btn { display: none; }
  .hamburger { display: flex; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
}

@media (max-width: 480px) {
  :root { --fs-h1: 28px; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: 56px 0; }
}