/* ============================================================
   BusGo - Main Stylesheet
   Aesthetic: Bold utilitarian - strong typography, clean grids
   Fonts: Syne (display) + DM Sans (body)
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --brand: #0A2463;
  --brand-mid: #1B4FD8;
  --brand-light: #E8EFFE;
  --accent: #FF6B35;
  --accent-light: #FFF0EB;
  --success: #0E8A4F;
  --success-light: #E6F7EF;
  --warning: #B45309;
  --warning-light: #FEF3C7;
  --danger: #C0392B;
  --danger-light: #FDECEA;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-400: #9CA3AF;
  --gray-600: #4B5563;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --white: #FFFFFF;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.14);
}

html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: 'DM Sans', sans-serif; color: var(--gray-800); background: var(--gray-50); line-height: 1.6; }
h1,h2,h3,h4,h5,h6 { font-family: 'Syne', sans-serif; font-weight: 700; line-height: 1.2; color: var(--gray-900); }
a { color: var(--brand-mid); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

/* ---- NAVBAR ---- */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: var(--brand);
  box-shadow: 0 2px 12px rgba(10,36,99,.4);
}
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-brand { display: flex; align-items: center; gap: .5rem; text-decoration: none; }
.brand-icon { font-size: 1.5rem; }
.brand-name { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.4rem; color: var(--white); letter-spacing: -.5px; }
.nav-links { display: flex; align-items: center; gap: .25rem; }
.nav-links a { color: rgba(255,255,255,.8); padding: .4rem .85rem; border-radius: 6px; font-size: .9rem; font-weight: 500; transition: all .2s; text-decoration: none; }
.nav-links a:hover, .nav-links a.active { color: #fff; background: rgba(255,255,255,.15); }
.nav-user { display: flex !important; align-items: center; gap: .5rem; }
.user-avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: #fff; font-size: .8rem; font-weight: 700; display: flex; align-items: center; justify-content: center; font-family: 'Syne',sans-serif; }
.btn-primary-sm { background: var(--accent) !important; color: #fff !important; padding: .4rem 1rem !important; border-radius: 6px; font-weight: 600 !important; }
.btn-primary-sm:hover { background: #e55a27 !important; }
.btn-outline-sm { border: 1px solid rgba(255,255,255,.4) !important; color: rgba(255,255,255,.9) !important; padding: .35rem .85rem !important; border-radius: 6px; }
.btn-outline-sm:hover { background: rgba(255,255,255,.1) !important; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 4px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: .3s; }

/* ---- ALERTS ---- */
.alert { display: flex; align-items: center; gap: .75rem; padding: .9rem 1.5rem; font-size: .9rem; font-weight: 500; }
.alert-icon { font-weight: 700; font-size: 1rem; width: 20px; height: 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.alert-error { background: var(--danger-light); color: var(--danger); }
.alert-error .alert-icon { background: var(--danger); color: #fff; }
.alert-success { background: var(--success-light); color: var(--success); }
.alert-success .alert-icon { background: var(--success); color: #fff; }
.alert-info { background: var(--brand-light); color: var(--brand); }
.alert-info .alert-icon { background: var(--brand-mid); color: #fff; }

/* ---- HERO ---- */
.hero {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-mid) 100%);
  padding: 5rem 1.5rem 6rem;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; right: -100px; top: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,107,53,.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-content { max-width: 800px; margin: 0 auto; text-align: center; position: relative; z-index: 1; }
.hero-badge { display: inline-block; background: rgba(255,107,53,.2); color: #ffb899; border: 1px solid rgba(255,107,53,.3); padding: .3rem .9rem; border-radius: 20px; font-size: .8rem; font-weight: 600; letter-spacing: .5px; text-transform: uppercase; margin-bottom: 1.25rem; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); color: #fff; margin-bottom: 1rem; letter-spacing: -1px; }
.hero h1 span { color: #FF8C5A; }
.hero p { font-size: 1.1rem; color: rgba(255,255,255,.75); max-width: 560px; margin: 0 auto 2.5rem; }

/* ---- SEARCH BOX ---- */
.search-card {
  background: var(--white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 2rem;
  max-width: 900px; margin: 0 auto;
}
.search-card h2 { font-size: 1.1rem; margin-bottom: 1.5rem; color: var(--gray-800); }
.search-grid { display: grid; grid-template-columns: 1fr 1fr 1fr auto; gap: 1rem; align-items: end; }
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group label { font-size: .8rem; font-weight: 600; color: var(--gray-600); text-transform: uppercase; letter-spacing: .5px; }
.form-group input, .form-group select, .form-group textarea {
  padding: .7rem 1rem; border: 1.5px solid var(--gray-200);
  border-radius: var(--radius); font-family: 'DM Sans', sans-serif;
  font-size: .95rem; color: var(--gray-800);
  background: var(--gray-50); transition: border-color .2s, box-shadow .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--brand-mid);
  box-shadow: 0 0 0 3px rgba(27,79,216,.1);
  background: #fff;
}
.form-group textarea { resize: vertical; min-height: 90px; }
.form-group input.error { border-color: var(--danger); }
.field-error { font-size: .8rem; color: var(--danger); margin-top: .2rem; }

/* ---- BUTTONS ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .75rem 1.75rem; border: none; border-radius: var(--radius); font-family: 'Syne', sans-serif; font-weight: 700; font-size: .95rem; cursor: pointer; transition: all .2s; text-decoration: none; white-space: nowrap; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #e55a27; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(255,107,53,.35); }
.btn-secondary { background: var(--brand); color: #fff; }
.btn-secondary:hover { background: #071b4a; }
.btn-outline { background: transparent; color: var(--brand-mid); border: 2px solid var(--brand-mid); }
.btn-outline:hover { background: var(--brand-mid); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #0a6b3d; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #a93226; }
.btn-lg { padding: .95rem 2.25rem; font-size: 1rem; }
.btn-sm { padding: .45rem 1rem; font-size: .82rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .6; cursor: not-allowed; pointer-events: none; }

/* ---- CONTAINER / LAYOUT ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 4rem 1.5rem; }
.section-sm { padding: 2rem 1.5rem; }
.section-title { text-align: center; margin-bottom: 3rem; }
.section-title h2 { font-size: 2rem; margin-bottom: .5rem; }
.section-title p { color: var(--gray-600); font-size: 1rem; }

/* ---- CARDS ---- */
.card { background: var(--white); border: 1.5px solid var(--gray-200); border-radius: var(--radius-lg); overflow: hidden; transition: box-shadow .25s; }
.card:hover { box-shadow: var(--shadow); }
.card-body { padding: 1.5rem; }
.card-header { padding: 1rem 1.5rem; border-bottom: 1px solid var(--gray-200); display: flex; align-items: center; justify-content: space-between; }
.card-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--gray-200); background: var(--gray-50); }

/* ---- BUS/SCHEDULE RESULT CARD ---- */
.result-card { background: var(--white); border: 1.5px solid var(--gray-200); border-radius: var(--radius-lg); margin-bottom: 1rem; overflow: hidden; transition: all .25s; }
.result-card:hover { box-shadow: var(--shadow); border-color: var(--brand-mid); }
.result-card-body { padding: 1.5rem; display: grid; grid-template-columns: 1fr auto 1fr auto auto; align-items: center; gap: 1.5rem; }
.rc-company { font-size: .75rem; color: var(--gray-400); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; margin-bottom: .15rem; }
.rc-bus-type { display: inline-flex; align-items: center; gap: .3rem; font-size: .75rem; font-weight: 600; padding: .2rem .6rem; border-radius: 20px; }
.type-express { background: #EEF2FF; color: #4338CA; }
.type-luxury  { background: #FEF9C3; color: #92400E; }
.type-standard{ background: var(--gray-100); color: var(--gray-600); }
.type-sleeper { background: #F0FDF4; color: #166534; }
.rc-time { font-family: 'Syne',sans-serif; font-size: 1.6rem; font-weight: 800; color: var(--gray-900); }
.rc-city { font-size: .85rem; color: var(--gray-600); margin-top: .15rem; }
.rc-duration { text-align: center; }
.rc-duration-line { display: flex; align-items: center; gap: .5rem; margin-bottom: .3rem; }
.rc-line { flex: 1; height: 1.5px; background: var(--gray-200); }
.rc-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand-mid); flex-shrink: 0; }
.rc-dur-text { font-size: .78rem; color: var(--gray-400); text-align: center; white-space: nowrap; }
.rc-price { text-align: right; }
.rc-price-amount { font-family: 'Syne',sans-serif; font-size: 1.6rem; font-weight: 800; color: var(--accent); }
.rc-price-label { font-size: .75rem; color: var(--gray-400); }
.rc-seats { font-size: .78rem; color: var(--success); font-weight: 600; margin-top: .25rem; }
.rc-seats.low { color: var(--warning); }
.rc-seats.sold { color: var(--danger); }
.rc-amenities { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: .6rem; }
.amenity-tag { font-size: .7rem; padding: .15rem .5rem; border-radius: 4px; background: var(--brand-light); color: var(--brand); font-weight: 500; }

/* ---- SEAT MAP ---- */
.seat-map-container { background: var(--white); border: 1.5px solid var(--gray-200); border-radius: var(--radius-lg); padding: 2rem; }
.bus-front { text-align: center; padding: .75rem; background: var(--gray-100); border-radius: var(--radius) var(--radius) 0 0; font-size: .8rem; font-weight: 700; color: var(--gray-600); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1rem; }
.seat-grid { display: flex; flex-direction: column; gap: .5rem; }
.seat-row { display: flex; align-items: center; gap: .5rem; }
.seat-row-num { font-size: .75rem; color: var(--gray-400); width: 20px; text-align: center; }
.seat-gap { width: 32px; }
.seat {
  width: 38px; height: 38px; border-radius: 6px 6px 4px 4px;
  border: 2px solid var(--gray-200); background: var(--white);
  cursor: pointer; font-size: .75rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  transition: all .15s; color: var(--gray-600);
  font-family: 'Syne', sans-serif;
}
.seat:hover:not(.booked):not(.selected) { border-color: var(--brand-mid); background: var(--brand-light); color: var(--brand); }
.seat.selected { background: var(--brand-mid); border-color: var(--brand); color: #fff; }
.seat.booked { background: var(--gray-100); border-color: var(--gray-200); color: var(--gray-400); cursor: not-allowed; }
.seat-legend { display: flex; gap: 1.5rem; margin-top: 1.5rem; justify-content: center; flex-wrap: wrap; }
.legend-item { display: flex; align-items: center; gap: .5rem; font-size: .8rem; color: var(--gray-600); }
.legend-box { width: 24px; height: 24px; border-radius: 4px; border: 2px solid; }
.legend-available .legend-box { background: #fff; border-color: var(--gray-200); }
.legend-selected .legend-box  { background: var(--brand-mid); border-color: var(--brand); }
.legend-booked .legend-box   { background: var(--gray-100); border-color: var(--gray-200); }

/* ---- BOOKING STEPS ---- */
.steps { display: flex; align-items: center; gap: 0; margin-bottom: 2.5rem; }
.step { display: flex; align-items: center; gap: .75rem; flex: 1; }
.step:last-child { flex: 0; }
.step-num { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: 'Syne',sans-serif; font-weight: 800; font-size: .9rem; flex-shrink: 0; }
.step.done .step-num { background: var(--success); color: #fff; }
.step.active .step-num { background: var(--brand-mid); color: #fff; box-shadow: 0 0 0 4px rgba(27,79,216,.2); }
.step.pending .step-num { background: var(--gray-100); color: var(--gray-400); }
.step-label { font-size: .82rem; font-weight: 600; }
.step.done .step-label { color: var(--success); }
.step.active .step-label { color: var(--brand-mid); }
.step.pending .step-label { color: var(--gray-400); }
.step-line { flex: 1; height: 2px; background: var(--gray-200); }
.step-line.done { background: var(--success); }

/* ---- BOOKING SUMMARY ---- */
.booking-summary { background: var(--brand); color: #fff; border-radius: var(--radius-lg); padding: 1.75rem; }
.booking-summary h3 { font-size: 1rem; margin-bottom: 1.25rem; opacity: .7; text-transform: uppercase; letter-spacing: .5px; }
.summary-row { display: flex; justify-content: space-between; align-items: center; padding: .6rem 0; border-bottom: 1px solid rgba(255,255,255,.1); font-size: .9rem; }
.summary-row:last-child { border-bottom: none; }
.summary-label { opacity: .75; }
.summary-value { font-weight: 600; }
.summary-total { font-family: 'Syne',sans-serif; font-size: 1.5rem; font-weight: 800; color: #FF8C5A; }

/* ---- FORMS ---- */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-section-title { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--gray-400); padding-bottom: .5rem; border-bottom: 1.5px solid var(--gray-200); margin-bottom: 1.25rem; margin-top: 1.75rem; }
.radio-group { display: flex; flex-direction: column; gap: .6rem; }
.radio-option { display: flex; align-items: center; gap: .75rem; padding: .75rem 1rem; border: 1.5px solid var(--gray-200); border-radius: var(--radius); cursor: pointer; transition: all .2s; }
.radio-option:hover { border-color: var(--brand-mid); }
.radio-option.selected { border-color: var(--brand-mid); background: var(--brand-light); }
.radio-option input { accent-color: var(--brand-mid); }
.radio-icon { font-size: 1.2rem; }
.radio-label { font-weight: 600; font-size: .9rem; }
.radio-sublabel { font-size: .78rem; color: var(--gray-600); }
.payment-icons { margin-left: auto; font-size: .75rem; color: var(--gray-400); }

/* ---- BADGE / STATUS ---- */
.badge { display: inline-flex; align-items: center; padding: .25rem .65rem; border-radius: 20px; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .4px; }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger  { background: var(--danger-light); color: var(--danger); }
.badge-info    { background: var(--brand-light); color: var(--brand-mid); }
.badge-gray    { background: var(--gray-100); color: var(--gray-600); }

/* ---- TICKET / BOOKING CARD ---- */
.ticket {
  background: var(--white); border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg); overflow: hidden;
}
.ticket-header { background: var(--brand); color: #fff; padding: 1.25rem 1.75rem; display: flex; justify-content: space-between; align-items: center; }
.ticket-ref { font-family: 'Syne',sans-serif; font-size: 1.1rem; font-weight: 800; letter-spacing: 1px; }
.ticket-body { padding: 1.75rem; }
.ticket-route { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.ticket-city { font-family: 'Syne',sans-serif; font-size: 1.8rem; font-weight: 800; color: var(--gray-900); }
.ticket-arrow { color: var(--gray-400); font-size: 1.5rem; }
.ticket-meta { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 1rem; }
.ticket-meta-item { }
.ticket-meta-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .5px; color: var(--gray-400); font-weight: 700; margin-bottom: .25rem; }
.ticket-meta-value { font-weight: 600; color: var(--gray-900); font-size: .92rem; }
.ticket-divider { border: none; border-top: 2px dashed var(--gray-200); margin: 1.5rem 0; }

/* ---- FEATURES ---- */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.feature-card { background: var(--white); border: 1.5px solid var(--gray-200); border-radius: var(--radius-lg); padding: 1.75rem; text-align: center; }
.feature-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; margin: 0 auto 1rem; }
.feature-card h3 { font-size: 1rem; margin-bottom: .5rem; }
.feature-card p { font-size: .88rem; color: var(--gray-600); }

/* ---- POPULAR ROUTES ---- */
.routes-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.route-card { background: var(--white); border: 1.5px solid var(--gray-200); border-radius: var(--radius-lg); padding: 1.5rem; display: flex; align-items: center; justify-content: space-between; cursor: pointer; transition: all .25s; text-decoration: none; color: inherit; }
.route-card:hover { border-color: var(--brand-mid); box-shadow: var(--shadow); transform: translateY(-2px); text-decoration: none; color: inherit; }
.route-cities { font-family: 'Syne',sans-serif; font-weight: 700; font-size: 1rem; color: var(--gray-900); }
.route-km { font-size: .8rem; color: var(--gray-400); margin-top: .25rem; }
.route-price { font-family: 'Syne',sans-serif; font-weight: 800; font-size: 1.1rem; color: var(--accent); }

/* ---- EMPTY STATE ---- */
.empty-state { text-align: center; padding: 5rem 2rem; }
.empty-icon { font-size: 4rem; margin-bottom: 1rem; }
.empty-state h3 { font-size: 1.3rem; margin-bottom: .5rem; }
.empty-state p { color: var(--gray-600); max-width: 360px; margin: 0 auto 1.5rem; }

/* ---- FOOTER ---- */
.footer { background: var(--gray-900); color: rgba(255,255,255,.7); margin-top: 4rem; }
.footer-container { max-width: 1200px; margin: 0 auto; padding: 3.5rem 1.5rem; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem; }
.footer-brand .nav-brand .brand-name { color: #fff; }
.footer-brand p { font-size: .88rem; margin-top: .75rem; max-width: 240px; line-height: 1.7; }
.footer-links h4 { font-family: 'Syne',sans-serif; font-size: .85rem; text-transform: uppercase; letter-spacing: .5px; color: #fff; margin-bottom: 1rem; }
.footer-links a { display: block; font-size: .88rem; color: rgba(255,255,255,.6); padding: .2rem 0; transition: color .2s; text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); text-align: center; padding: 1.25rem 1.5rem; font-size: .82rem; }

/* ---- AUTH PAGES ---- */
.auth-page { min-height: calc(100vh - 64px); display: flex; align-items: center; justify-content: center; padding: 2rem 1.5rem; background: var(--gray-50); }
.auth-card { background: var(--white); border: 1.5px solid var(--gray-200); border-radius: var(--radius-lg); padding: 2.5rem; width: 100%; max-width: 440px; box-shadow: var(--shadow-lg); }
.auth-header { text-align: center; margin-bottom: 2rem; }
.auth-header h1 { font-size: 1.75rem; }
.auth-header p { color: var(--gray-600); margin-top: .4rem; font-size: .9rem; }
.auth-footer { text-align: center; margin-top: 1.5rem; font-size: .88rem; color: var(--gray-600); }

/* ---- PAGE HEADER ---- */
.page-header { background: var(--brand); padding: 2.5rem 1.5rem; color: #fff; }
.page-header-inner { max-width: 1200px; margin: 0 auto; }
.page-header h1 { color: #fff; font-size: 1.8rem; margin-bottom: .35rem; }
.page-header p { opacity: .75; font-size: .95rem; }

/* ---- TABLES ---- */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
thead th { font-family: 'Syne',sans-serif; font-size: .75rem; text-transform: uppercase; letter-spacing: .5px; color: var(--gray-600); padding: .75rem 1rem; border-bottom: 2px solid var(--gray-200); text-align: left; white-space: nowrap; }
tbody td { padding: .85rem 1rem; border-bottom: 1px solid var(--gray-100); vertical-align: middle; }
tbody tr:hover td { background: var(--gray-50); }

/* ---- UTILITY ---- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-400); }
.text-sm { font-size: .85rem; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.page-layout { display: grid; grid-template-columns: 1fr 340px; gap: 2rem; max-width: 1200px; margin: 0 auto; padding: 2.5rem 1.5rem; }
.sidebar { }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .search-grid { grid-template-columns: 1fr 1fr; }
  .result-card-body { grid-template-columns: 1fr 1fr; }
  .page-layout { grid-template-columns: 1fr; }
  .footer-container { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--brand); padding: 1rem 1.5rem; gap: .25rem; box-shadow: var(--shadow); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .search-grid { grid-template-columns: 1fr; }
  .result-card-body { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-container { grid-template-columns: 1fr; }
  .ticket-meta { grid-template-columns: 1fr 1fr; }
  .steps { overflow-x: auto; padding-bottom: .5rem; }
}