/* ============================================================
   ACAT Events Platform - Main Stylesheet
   ============================================================ */
:root {
  --green-dark:  #1a5c38;
  --green:       #2e7d52;
  --green-light: #4caf50;
  --gold:        #f0a500;
  --gold-light:  #ffc72c;
  --dark:        #0f1923;
  --dark-2:      #1a2332;
  --text:        #2c3e50;
  --text-light:  #6c757d;
  --bg:          #f8faf8;
  --white:       #ffffff;
  --border:      #e2e8e4;
  --shadow:      0 4px 24px rgba(26,92,56,.10);
  --radius:      12px;
  --font:        'Inter', 'Segoe UI', system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green); text-decoration: none; transition: color .2s; }
a:hover { color: var(--green-dark); }

/* ---- NAVBAR ---- */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(15,25,35,.96); backdrop-filter: blur(12px);
  padding: 0 2rem; display: flex; align-items: center;
  justify-content: space-between; height: 72px;
  border-bottom: 2px solid var(--green);
}
.navbar-brand img { height: 48px; }
.navbar-nav { display: flex; align-items: center; gap: .25rem; list-style: none; }
.navbar-nav .nav-link {
  color: rgba(255,255,255,.85); padding: .5rem .9rem;
  border-radius: 6px; font-size: .9rem; font-weight: 500;
  transition: all .2s;
}
.navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
  color: #fff; background: var(--green);
}
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  display: none; position: absolute; top: 110%; left: 0;
  background: var(--dark-2); border-radius: 8px;
  min-width: 200px; padding: .5rem;
  box-shadow: 0 8px 32px rgba(0,0,0,.4); list-style: none;
}
.nav-dropdown:hover .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a {
  display: block; padding: .5rem 1rem; color: rgba(255,255,255,.8);
  border-radius: 6px; font-size: .875rem;
}
.nav-dropdown-menu a:hover { background: var(--green); color: #fff; }
.btn-register-nav {
  background: var(--gold); color: var(--dark) !important;
  font-weight: 700; padding: .55rem 1.4rem !important; border-radius: 50px !important;
}
.btn-register-nav:hover { background: var(--gold-light); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { width: 24px; height: 2px; background: #fff; border-radius: 2px; }

/* ---- HERO ---- */
.hero {
  min-height: 100vh; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 40%, var(--green-dark) 100%);
  display: flex; align-items: center; justify-content: center; text-align: center;
  padding: 6rem 2rem 4rem;
}
.hero-bg-pattern {
  position: absolute; inset: 0; opacity: .06;
  background-image: radial-gradient(circle at 2px 2px, #fff 1px, transparent 0);
  background-size: 40px 40px;
}
.hero-content { position: relative; z-index: 2; max-width: 900px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(240,165,0,.15); border: 1px solid rgba(240,165,0,.4);
  color: var(--gold-light); padding: .4rem 1.2rem; border-radius: 50px;
  font-size: .875rem; font-weight: 600; margin-bottom: 1.5rem;
  text-transform: uppercase; letter-spacing: .05em;
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.5rem); font-weight: 800;
  color: #fff; line-height: 1.1; margin-bottom: 1rem;
}
.hero h1 span { color: var(--gold); }
.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.3rem); color: rgba(255,255,255,.75);
  margin-bottom: 2rem; max-width: 640px; margin-inline: auto;
}
.hero-meta {
  display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.hero-meta-item { display: flex; align-items: center; gap: .5rem; color: rgba(255,255,255,.85); font-size: .95rem; }
.hero-meta-item svg { color: var(--gold); }
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 3rem; }

/* ---- COUNTDOWN ---- */
.countdown {
  display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 1rem;
}
.countdown-block {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(8px); border-radius: 10px; padding: .9rem 1.2rem;
  min-width: 80px; text-align: center;
}
.countdown-number { font-size: 2rem; font-weight: 800; color: var(--gold); line-height: 1; }
.countdown-label { font-size: .7rem; color: rgba(255,255,255,.6); text-transform: uppercase; letter-spacing: .08em; margin-top: .2rem; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .75rem 2rem; border-radius: 50px; font-size: .95rem;
  font-weight: 600; cursor: pointer; border: none; transition: all .25s;
  text-decoration: none; white-space: nowrap;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(46,125,82,.4); color: #fff; }
.btn-gold { background: var(--gold); color: var(--dark); }
.btn-gold:hover { background: var(--gold-light); transform: translateY(-2px); color: var(--dark); }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.4); }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.1); color: #fff; }
.btn-outline-green { background: transparent; color: var(--green); border: 2px solid var(--green); }
.btn-outline-green:hover { background: var(--green); color: #fff; }
.btn-sm { padding: .5rem 1.2rem; font-size: .85rem; }
.btn-lg { padding: 1rem 2.5rem; font-size: 1.05rem; }
.btn-danger { background: #dc3545; color: #fff; }
.btn-danger:hover { background: #b02a37; color: #fff; }
.btn-success { background: var(--green); color: #fff; }
.btn-warning { background: #ffc107; color: #333; }
.btn-secondary { background: #6c757d; color: #fff; }

/* ---- SECTION LAYOUT ---- */
.section { padding: 5rem 0; }
.section-light { background: #fff; }
.section-dark { background: var(--dark); color: #fff; }
.section-green { background: var(--green-dark); color: #fff; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-tag {
  display: inline-block; background: rgba(46,125,82,.1); color: var(--green);
  border: 1px solid rgba(46,125,82,.3); padding: .3rem 1rem; border-radius: 50px;
  font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 1rem;
}
.section-tag.gold { background: rgba(240,165,0,.1); color: var(--gold); border-color: rgba(240,165,0,.3); }
.section-header h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; color: var(--text); }
.section-dark .section-header h2, .section-green .section-header h2 { color: #fff; }
.section-header p { color: var(--text-light); max-width: 600px; margin: 1rem auto 0; font-size: 1.05rem; }
.section-dark .section-header p { color: rgba(255,255,255,.7); }

/* ---- GRID LAYOUTS ---- */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 1.5rem; }

/* ---- CARDS ---- */
.card {
  background: #fff; border-radius: var(--radius); padding: 2rem;
  box-shadow: var(--shadow); border: 1px solid var(--border);
  transition: transform .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(26,92,56,.15); }
.card-img { width: 100%; height: 220px; object-fit: cover; border-radius: 8px; margin-bottom: 1.2rem; }

/* ---- SPEAKER CARDS ---- */
.speaker-card { text-align: center; }
.speaker-photo {
  width: 120px; height: 120px; border-radius: 50%;
  object-fit: cover; margin: 0 auto 1rem;
  border: 4px solid var(--green-light);
}
.speaker-card h3 { font-size: 1.1rem; margin-bottom: .25rem; }
.speaker-card .role { font-size: .85rem; color: var(--green); font-weight: 600; }
.speaker-card .org { font-size: .8rem; color: var(--text-light); margin-top: .1rem; }
.speaker-type-badge {
  display: inline-block; background: var(--green); color: #fff;
  padding: .2rem .6rem; border-radius: 20px; font-size: .7rem; font-weight: 700;
  text-transform: uppercase; margin-bottom: .5rem;
}
.speaker-type-badge.keynote { background: var(--gold); color: var(--dark); }

/* ---- SCHEDULE ---- */
.schedule-tabs { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 2rem; justify-content: center; }
.tab-btn {
  padding: .6rem 1.5rem; border-radius: 50px; border: 2px solid var(--border);
  background: #fff; cursor: pointer; font-weight: 600; font-size: .9rem;
  transition: all .2s; color: var(--text);
}
.tab-btn.active { background: var(--green); border-color: var(--green); color: #fff; }
.tab-content { display: none; }
.tab-content.active { display: block; }
.schedule-item {
  display: grid; grid-template-columns: 130px 1fr;
  gap: 1rem; padding: 1.2rem; border-radius: 8px; margin-bottom: .75rem;
  background: #fff; border: 1px solid var(--border); align-items: start;
}
.schedule-item:hover { border-color: var(--green-light); box-shadow: 0 2px 12px rgba(46,125,82,.08); }
.schedule-time { font-weight: 700; color: var(--green); font-size: .9rem; }
.schedule-title { font-weight: 600; margin-bottom: .25rem; }
.schedule-meta { font-size: .82rem; color: var(--text-light); }
.schedule-type {
  display: inline-block; padding: .15rem .6rem; border-radius: 20px;
  font-size: .7rem; font-weight: 700; text-transform: uppercase; margin-bottom: .25rem;
}
.type-keynote { background: #fff3cd; color: #856404; }
.type-plenary { background: #d1e7dd; color: #0a3622; }
.type-panel { background: #cfe2ff; color: #084298; }
.type-workshop { background: #f8d7da; color: #842029; }
.type-break { background: #f5f5f5; color: #555; }
.type-networking { background: #e2d9f3; color: #432874; }

/* ---- TICKET CARDS ---- */
.ticket-card {
  background: #fff; border-radius: var(--radius); border: 2px solid var(--border);
  overflow: hidden; transition: all .25s; display: flex; flex-direction: column;
}
.ticket-card.featured { border-color: var(--green); box-shadow: 0 8px 40px rgba(46,125,82,.2); }
.ticket-header { padding: 1.5rem; background: var(--green-dark); color: #fff; text-align: center; }
.ticket-card.featured .ticket-header { background: var(--green); }
.ticket-header h3 { font-size: 1.1rem; margin-bottom: .2rem; }
.ticket-header .pass-label { font-size: .8rem; opacity: .8; text-transform: uppercase; letter-spacing: .05em; }
.ticket-price { text-align: center; padding: 1.5rem; }
.ticket-price .currency { font-size: 1.2rem; color: var(--text-light); vertical-align: top; margin-top: .5rem; display: inline-block; }
.ticket-price .amount { font-size: 3.5rem; font-weight: 800; color: var(--green-dark); line-height: 1; }
.ticket-features { padding: 0 1.5rem 1.5rem; list-style: none; flex: 1; }
.ticket-features li { padding: .5rem 0; border-bottom: 1px solid var(--border); font-size: .9rem; display: flex; align-items: center; gap: .5rem; }
.ticket-features li::before { content: '✓'; color: var(--green); font-weight: 700; }
.ticket-cta { padding: 1.5rem; padding-top: 0; }
.ticket-cta .btn { width: 100%; justify-content: center; }

/* ---- STATS ---- */
.stats-section { background: var(--green-dark); color: #fff; padding: 4rem 0; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 2rem; text-align: center; }
.stat-number { font-size: 3rem; font-weight: 800; color: var(--gold); line-height: 1; }
.stat-label { font-size: .9rem; color: rgba(255,255,255,.8); margin-top: .4rem; text-transform: uppercase; letter-spacing: .05em; }

/* ---- NEWS ---- */
.news-card h3 { font-size: 1.05rem; margin-bottom: .5rem; }
.news-card .meta { font-size: .8rem; color: var(--text-light); margin-bottom: .75rem; display: flex; gap: 1rem; }
.news-category {
  display: inline-block; background: rgba(46,125,82,.1); color: var(--green);
  padding: .2rem .7rem; border-radius: 20px; font-size: .75rem; font-weight: 600; margin-bottom: .75rem;
}

/* ---- VENUE MAP ---- */
.venue-map-container { position: relative; }
.venue-svg-wrapper { background: #e8f5e9; border-radius: var(--radius); overflow: hidden; border: 2px solid var(--green-light); }
.venue-section-info {
  background: #fff; border-radius: var(--radius); padding: 1.5rem;
  border: 1px solid var(--border); min-height: 200px;
}
.venue-section-info h3 { margin-bottom: .75rem; color: var(--green-dark); }
.venue-legend { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.legend-item { display: flex; align-items: center; gap: .4rem; font-size: .8rem; }
.legend-dot { width: 14px; height: 14px; border-radius: 4px; flex-shrink: 0; }

/* ---- REGISTRATION FORM ---- */
.register-section { background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%); padding: 5rem 0; }
.register-form-wrap {
  background: #fff; border-radius: 20px; padding: 2.5rem;
  max-width: 820px; margin: 0 auto; box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.form-step { display: none; }
.form-step.active { display: block; }
.step-indicators { display: flex; justify-content: center; gap: 0; margin-bottom: 2rem; }
.step-indicator {
  display: flex; flex-direction: column; align-items: center;
  position: relative; flex: 1; max-width: 150px;
}
.step-indicator::before {
  content: ''; position: absolute; top: 18px; left: 50%; width: 100%; height: 2px;
  background: var(--border); z-index: 0;
}
.step-indicator:last-child::before { display: none; }
.step-dot {
  width: 36px; height: 36px; border-radius: 50%; background: var(--border);
  display: flex; align-items: center; justify-content: center; font-weight: 700;
  font-size: .85rem; z-index: 1; position: relative; color: var(--text-light);
  transition: all .3s;
}
.step-indicator.active .step-dot { background: var(--green); color: #fff; }
.step-indicator.done .step-dot { background: var(--green-light); color: #fff; }
.step-label { font-size: .7rem; margin-top: .4rem; color: var(--text-light); text-align: center; }
.step-indicator.active .step-label { color: var(--green); font-weight: 600; }
.form-group { margin-bottom: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
label { display: block; font-size: .875rem; font-weight: 600; color: var(--text); margin-bottom: .4rem; }
label .required { color: #dc3545; margin-left: .2rem; }
input, select, textarea {
  width: 100%; padding: .75rem 1rem; border: 2px solid var(--border);
  border-radius: 8px; font-size: .95rem; font-family: var(--font);
  transition: border-color .2s, box-shadow .2s; color: var(--text);
  background: #fff; appearance: none;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(46,125,82,.1);
}
input.error, select.error { border-color: #dc3545; }
.form-error { color: #dc3545; font-size: .8rem; margin-top: .3rem; display: none; }
.form-error.show { display: block; }
.form-note { font-size: .8rem; color: var(--text-light); margin-top: .3rem; }
.checkbox-group { display: flex; flex-wrap: wrap; gap: .75rem; }
.checkbox-item { display: flex; align-items: center; gap: .5rem; }
.checkbox-item input[type="checkbox"] { width: auto; }
.ticket-selector { display: grid; grid-template-columns: repeat(auto-fit,minmax(180px,1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.ticket-option {
  border: 2px solid var(--border); border-radius: 10px; padding: 1rem;
  cursor: pointer; transition: all .2s; text-align: center; position: relative;
}
.ticket-option input[type="radio"] { position: absolute; opacity: 0; }
.ticket-option.selected, .ticket-option:hover { border-color: var(--green); background: rgba(46,125,82,.04); }
.ticket-option h4 { font-size: .9rem; margin-bottom: .25rem; }
.ticket-option .price { font-size: 1.4rem; font-weight: 800; color: var(--green); }
.ticket-option .price small { font-size: .7rem; font-weight: 400; color: var(--text-light); }
.order-summary {
  background: var(--bg); border-radius: 10px; padding: 1.5rem; margin-bottom: 1.5rem;
  border: 1px solid var(--border);
}
.order-row { display: flex; justify-content: space-between; padding: .5rem 0; font-size: .9rem; }
.order-row.total { font-weight: 700; font-size: 1.1rem; border-top: 2px solid var(--border); margin-top: .5rem; padding-top: .75rem; color: var(--green-dark); }

/* ---- CHECKOUT ---- */
.checkout-grid { display: grid; grid-template-columns: 1fr 380px; gap: 2rem; align-items: start; }
.payment-methods { display: grid; gap: .75rem; }
.payment-method-option {
  border: 2px solid var(--border); border-radius: 10px; padding: 1rem 1.2rem;
  cursor: pointer; display: flex; align-items: center; gap: 1rem;
  transition: all .2s;
}
.payment-method-option:hover { border-color: var(--green); }
.payment-method-option.selected { border-color: var(--green); background: rgba(46,125,82,.04); }
.payment-method-option input[type="radio"] { accent-color: var(--green); width: 18px; height: 18px; flex-shrink: 0; }
.payment-method-icon { font-size: 1.5rem; }
.payment-method-label strong { display: block; }
.payment-method-label small { color: var(--text-light); font-size: .8rem; }

/* ---- ALERTS ---- */
.alert {
  padding: .9rem 1.2rem; border-radius: 8px; margin-bottom: 1rem;
  display: flex; align-items: flex-start; gap: .75rem; font-size: .9rem;
  position: relative;
}
.alert-success { background: #d1e7dd; color: #0a3622; border: 1px solid #a3cfbb; }
.alert-error, .alert-danger { background: #f8d7da; color: #842029; border: 1px solid #f1aeb5; }
.alert-info { background: #cfe2ff; color: #084298; border: 1px solid #9ec5fe; }
.alert-warning { background: #fff3cd; color: #664d03; border: 1px solid #ffe69c; }
.alert-close { position: absolute; right: .75rem; top: .75rem; background: none; border: none; cursor: pointer; font-size: 1.2rem; opacity: .6; }

/* ---- BADGES ---- */
.badge { display: inline-block; padding: .25rem .65rem; border-radius: 50px; font-size: .75rem; font-weight: 700; }
.badge-paid { background: #d1e7dd; color: #0a3622; }
.badge-unpaid { background: #f8d7da; color: #842029; }
.badge-pending { background: #fff3cd; color: #664d03; }
.badge-cancelled { background: #f5f5f5; color: #555; }
.badge-refunded { background: #e2d9f3; color: #432874; }
.badge-free { background: #d1e7dd; color: #0a3622; }
.badge-secondary { background: #e9ecef; color: #495057; }

/* ---- SPONSORS ---- */
.sponsors-tier { margin-bottom: 3rem; }
.sponsors-tier-label { text-align: center; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--text-light); margin-bottom: 1.5rem; padding-bottom: .5rem; border-bottom: 1px solid var(--border); }
.sponsors-grid { display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: center; align-items: center; }
.sponsor-logo { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 1.2rem 2rem; display: flex; align-items: center; justify-content: center; transition: all .2s; min-width: 140px; height: 80px; }
.sponsor-logo:hover { border-color: var(--green); box-shadow: var(--shadow); }
.sponsor-logo img { max-height: 50px; max-width: 120px; object-fit: contain; }
.sponsor-logo-name { font-weight: 700; color: var(--text); font-size: .9rem; }

/* ---- GALLERY ---- */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px,1fr)); gap: 1rem; }
.gallery-item { position: relative; border-radius: 8px; overflow: hidden; aspect-ratio: 4/3; cursor: pointer; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.5); opacity: 0; transition: opacity .3s; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 2rem; }
.gallery-item:hover .gallery-overlay { opacity: 1; }

/* ---- LIGHTBOX ---- */
.lightbox { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.9); z-index: 9999; align-items: center; justify-content: center; padding: 2rem; }
.lightbox.open { display: flex; }
.lightbox img { max-height: 85vh; max-width: 90vw; border-radius: 8px; }
.lightbox-close { position: absolute; top: 1rem; right: 1.5rem; color: #fff; font-size: 2rem; cursor: pointer; }

/* ---- FOOTER ---- */
.footer { background: var(--dark); color: rgba(255,255,255,.8); padding: 4rem 0 1.5rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand img { height: 50px; margin-bottom: 1rem; }
.footer-brand p { font-size: .9rem; color: rgba(255,255,255,.6); max-width: 280px; }
.footer-col h4 { color: #fff; margin-bottom: 1rem; font-size: .95rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: .5rem; }
.footer-col ul li a { color: rgba(255,255,255,.6); font-size: .875rem; transition: color .2s; }
.footer-col ul li a:hover { color: var(--gold); }
.footer-contact-item { display: flex; gap: .75rem; margin-bottom: .75rem; font-size: .875rem; color: rgba(255,255,255,.6); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 1.5rem; display: flex; justify-content: space-between; align-items: center; font-size: .82rem; color: rgba(255,255,255,.4); }
.social-links { display: flex; gap: .75rem; }
.social-link { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.6); font-size: .85rem; transition: all .2s; text-decoration: none; }
.social-link:hover { background: var(--green); color: #fff; }

/* ---- SCROLL TO TOP ---- */
.scroll-top { position: fixed; bottom: 2rem; right: 2rem; width: 44px; height: 44px; background: var(--green); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; opacity: 0; transform: translateY(20px); transition: all .3s; z-index: 999; border: none; font-size: 1.2rem; }
.scroll-top.visible { opacity: 1; transform: translateY(0); }

/* ---- RESPONSIVE ---- */
@media (max-width: 968px) {
  .navbar-nav { display: none; }
  .navbar-nav.open { display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: var(--dark-2); padding: 1rem; gap: .25rem; }
  .hamburger { display: flex; }
  .nav-dropdown-menu { position: static; box-shadow: none; background: rgba(255,255,255,.05); }
  .nav-dropdown:hover .nav-dropdown-menu { display: none; }
  .nav-dropdown.open .nav-dropdown-menu { display: block; }
  .form-row { grid-template-columns: 1fr; }
  .checkout-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 640px) {
  .hero h1 { font-size: 2rem; }
  .schedule-item { grid-template-columns: 1fr; }
  .schedule-time { font-size: .8rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}