/* ============================================
   Strong Tower AI — Global Stylesheet
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap');

:root {
  --navy:       #0D1B2A;
  --blue:       #1565C0;
  --blue-light: #1976D2;
  --blue-pale:  #E3F0FF;
  --white:      #FFFFFF;
  --off-white:  #F5F8FC;
  --gray-light: #EEF2F7;
  --gray-mid:   #8A9BB0;
  --gray-dark:  #3D4F61;
  --text:       #1A2B3C;
  --shadow-sm:  0 2px 8px rgba(13,27,42,0.08);
  --shadow-md:  0 6px 24px rgba(13,27,42,0.12);
  --shadow-lg:  0 16px 48px rgba(13,27,42,0.16);
  --radius:     10px;
  --radius-lg:  18px;
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Typography ───────────────────────────── */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; color: var(--navy); }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p  { color: var(--gray-dark); }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}

/* ── Buttons ──────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 6px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn-primary:hover {
  background: var(--blue-light);
  border-color: var(--blue-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(21,101,192,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
}
.btn-outline-dark {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline-dark:hover {
  background: var(--navy);
  color: var(--white);
}

/* ── Navigation ───────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(13,27,42,0.08);
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: 0 4px 24px rgba(13,27,42,0.10); }

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo img { height: 44px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  color: var(--gray-dark);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--blue);
  transition: width var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--navy); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta { margin-left: 8px; }
.nav-cta .btn { padding: 10px 24px; font-size: 0.85rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 26px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Hero ─────────────────────────────────── */
.hero {
  position: relative;
  padding: 140px 0 100px;
  background: linear-gradient(145deg, var(--navy) 0%, #102038 55%, #0f2d54 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(21,101,192,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(21,101,192,0.10) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-content { }
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(21,101,192,0.2);
  border: 1px solid rgba(21,101,192,0.4);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #7BB8FF;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-label span { width: 6px; height: 6px; border-radius: 50%; background: #7BB8FF; display: inline-block; }

.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: #5BA4F5; }
.hero-sub {
  color: rgba(255,255,255,0.68);
  font-size: 1.05rem;
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 36px;
  width: 100%;
  max-width: 400px;
  backdrop-filter: blur(8px);
}
.hero-card-title {
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-stat-list { display: flex; flex-direction: column; gap: 16px; }
.hero-stat {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.07);
}
.hero-stat-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: rgba(21,101,192,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hero-stat-icon svg { width: 22px; height: 22px; color: #5BA4F5; }
.hero-stat-text strong {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
}
.hero-stat-text span { font-size: 0.78rem; color: rgba(255,255,255,0.5); }

/* ── Sections ─────────────────────────────── */
.section { padding: 96px 0; }
.section-alt { background: var(--off-white); }
.section-dark { background: var(--navy); }

.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { max-width: 560px; margin: 0 auto; font-size: 1.05rem; }

/* ── Services Grid ────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--blue);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(21,101,192,0.2);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--blue-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.service-icon svg { width: 28px; height: 28px; color: var(--blue); }
.service-card h3 { margin-bottom: 12px; }
.service-card p { font-size: 0.9rem; line-height: 1.7; }

/* ── Why Us ───────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.why-content h2 { margin-bottom: 20px; }
.why-content > p { margin-bottom: 36px; }

.why-list { display: flex; flex-direction: column; gap: 20px; }
.why-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.why-check {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.why-check svg { width: 14px; height: 14px; color: white; }
.why-item-text strong { display: block; font-weight: 700; margin-bottom: 4px; }
.why-item-text span { font-size: 0.88rem; color: var(--gray-dark); }

.why-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.why-metric {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
}
.why-metric strong {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: #5BA4F5;
  line-height: 1;
  margin-bottom: 8px;
}
.why-metric span { font-size: 0.8rem; color: rgba(255,255,255,0.55); }
.why-metric.featured {
  background: var(--blue);
  grid-column: span 2;
}
.why-metric.featured strong { color: var(--white); font-size: 2.6rem; }
.why-metric.featured span { color: rgba(255,255,255,0.7); }

/* ── Process ──────────────────────────────── */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 36px; left: calc(12.5% + 18px); right: calc(12.5% + 18px);
  height: 2px;
  background: var(--gray-light);
  z-index: 0;
}
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}
.step-num {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--blue);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.process-step h3 { margin-bottom: 8px; font-size: 1rem; }
.process-step p { font-size: 0.85rem; }

/* ── CTA Band ─────────────────────────────── */
.cta-band {
  background: linear-gradient(135deg, var(--blue) 0%, #0d47a1 100%);
  padding: 80px 0;
}
.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.cta-band h2 { color: var(--white); }
.cta-band p { color: rgba(255,255,255,0.75); margin-top: 10px; }
.cta-band-actions { display: flex; gap: 14px; flex-shrink: 0; }

/* ── Testimonials ─────────────────────────── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
}
.stars { color: #F59E0B; font-size: 1rem; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-card blockquote {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--gray-dark);
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--blue-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--blue);
  flex-shrink: 0;
}
.author-name { font-weight: 700; font-size: 0.88rem; }
.author-role { font-size: 0.78rem; color: var(--gray-mid); }

/* ── Page Hero (inner pages) ──────────────── */
.page-hero {
  padding: 120px 0 72px;
  background: linear-gradient(145deg, var(--navy) 0%, #102038 100%);
  text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: 16px; }
.page-hero p { color: rgba(255,255,255,0.65); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}
.breadcrumb a { color: rgba(255,255,255,0.6); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: #5BA4F5; }

/* ── About Page ───────────────────────────── */
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-story img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.about-story-text h2 { margin-bottom: 20px; }
.about-story-text p { margin-bottom: 16px; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.value-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition);
}
.value-card:hover { box-shadow: var(--shadow-md); }
.value-icon {
  width: 50px; height: 50px;
  border-radius: 12px;
  background: var(--blue-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.value-icon svg { width: 24px; height: 24px; color: var(--blue); }
.value-card h3 { margin-bottom: 6px; font-size: 1.05rem; }
.value-card p { font-size: 0.88rem; }

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.team-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition);
}
.team-card:hover { box-shadow: var(--shadow-md); }
.team-avatar {
  width: 88px; height: 88px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue) 0%, #0d47a1 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.6rem;
  font-weight: 800;
  color: white;
}
.team-card h3 { margin-bottom: 4px; font-size: 1.1rem; }
.team-card .role { color: var(--blue); font-size: 0.82rem; font-weight: 600; margin-bottom: 12px; }
.team-card p { font-size: 0.85rem; }

/* ── Contact Page ─────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 5fr 4fr;
  gap: 60px;
  align-items: flex-start;
}

.form-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  box-shadow: var(--shadow-sm);
}
.form-card h2 { margin-bottom: 8px; }
.form-card > p { margin-bottom: 32px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 7px;
  letter-spacing: 0.03em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid #DDE3EA;
  border-radius: 8px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(21,101,192,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A9BB0' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }

.form-submit { width: 100%; padding: 16px; font-size: 1rem; margin-top: 8px; }

.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}
.form-success .success-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: #E8F5E9;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.form-success .success-icon svg { width: 32px; height: 32px; color: #2E7D32; }
.form-success h3 { color: var(--navy); margin-bottom: 10px; }
.form-success p { font-size: 0.9rem; }

.contact-sidebar { display: flex; flex-direction: column; gap: 24px; }

.info-card {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  color: white;
}
.info-card h3 { color: white; margin-bottom: 6px; font-size: 1.1rem; }
.info-card p { color: rgba(255,255,255,0.6); font-size: 0.88rem; margin-bottom: 20px; }
.info-items { display: flex; flex-direction: column; gap: 16px; }
.info-item { display: flex; align-items: center; gap: 14px; }
.info-item-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(21,101,192,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.info-item-icon svg { width: 18px; height: 18px; color: #7BB8FF; }
.info-item-text strong { display: block; font-size: 0.82rem; font-weight: 700; color: rgba(255,255,255,0.5); letter-spacing: 0.05em; margin-bottom: 2px; }
.info-item-text span { font-size: 0.88rem; color: var(--white); }

.booking-card {
  background: var(--blue-pale);
  border: 1px solid rgba(21,101,192,0.15);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
}
.booking-card h3 { margin-bottom: 6px; }
.booking-card p { font-size: 0.88rem; margin-bottom: 20px; }
.booking-times { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.booking-time-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--white);
  border: 1.5px solid rgba(21,101,192,0.2);
  border-radius: 8px;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  transition: all var(--transition);
}
.booking-time-btn:hover,
.booking-time-btn.selected {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--white);
}
.booking-time-btn span { font-size: 0.75rem; opacity: 0.65; font-weight: 500; }

/* ── Footer ───────────────────────────────── */
.footer {
  background: var(--off-white);
  border-top: 1px solid var(--gray-light);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
}
.footer-brand img { height: 40px; margin-bottom: 16px; }
.footer-brand p {
  color: var(--gray-mid);
  font-size: 0.85rem;
  line-height: 1.7;
  max-width: 260px;
}
.footer-col h4 {
  color: var(--navy);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  color: var(--gray-mid);
  font-size: 0.875rem;
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--blue); }

.footer-bottom {
  border-top: 1px solid var(--gray-light);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer-bottom p { color: var(--gray-mid); font-size: 0.8rem; }
.footer-social { display: flex; gap: 12px; }
.social-link {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.social-link:hover { background: var(--blue); }
.social-link svg { width: 16px; height: 16px; color: var(--gray-dark); }
.social-link:hover svg { color: white; }

/* ── Responsive ───────────────────────────── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { gap: 48px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .process-steps::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .why-grid { grid-template-columns: 1fr; }
  .why-visual { order: -1; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .cta-band-inner { flex-direction: column; text-align: center; }
  .cta-band-actions { justify-content: center; }
  .about-story { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .form-card { padding: 28px 20px; }
  .process-steps { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
}

/* ── Mobile Menu ──────────────────────────── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: rgba(13,27,42,0.98);
  backdrop-filter: blur(12px);
  z-index: 999;
  padding: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.mobile-menu.open { display: block; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu ul a {
  display: block;
  padding: 12px 16px;
  color: rgba(255,255,255,0.78);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all var(--transition);
}
.mobile-menu ul a:hover,
.mobile-menu ul a.active { color: white; background: rgba(21,101,192,0.2); }
.mobile-menu .btn { width: 100%; justify-content: center; margin-top: 16px; }

/* ── Chatbot Widget ───────────────────────── */
#st-chatbot {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  font-family: 'Montserrat', sans-serif;
}

#st-chat-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.2s;
}
#st-chat-toggle:hover { background: var(--blue-light); transform: scale(1.06); }

#st-chat-panel {
  position: absolute;
  bottom: 68px;
  right: 0;
  width: 340px;
  max-height: 520px;
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(12px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}
#st-chat-panel.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

#st-chat-header {
  background: var(--navy);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
#st-chat-header-info { display: flex; align-items: center; gap: 10px; }
#st-chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.03em;
}
#st-chat-name { color: #fff; font-size: 14px; font-weight: 700; }
#st-chat-status { color: var(--gray-mid); font-size: 11px; margin-top: 1px; }

#st-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--off-white);
}

.st-msg {
  max-width: 82%;
  padding: 10px 13px;
  border-radius: 14px;
  font-size: 13.5px;
  line-height: 1.5;
  word-break: break-word;
}
.st-msg-assistant {
  background: #fff;
  color: var(--text);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
  box-shadow: var(--shadow-sm);
}
.st-msg-user {
  background: var(--blue);
  color: #fff;
  border-bottom-right-radius: 4px;
  align-self: flex-end;
}

.st-typing { display: flex; align-items: center; gap: 5px; padding: 12px 14px; }
.st-typing span {
  width: 7px; height: 7px;
  background: var(--gray-mid);
  border-radius: 50%;
  animation: st-bounce 1.2s infinite ease-in-out;
}
.st-typing span:nth-child(2) { animation-delay: 0.2s; }
.st-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes st-bounce {
  0%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-6px); }
}

#st-chat-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid var(--gray-light);
  background: #fff;
}
#st-chat-input {
  flex: 1;
  border: 1px solid var(--gray-light);
  border-radius: 20px;
  padding: 8px 14px;
  font-size: 13px;
  font-family: 'Montserrat', sans-serif;
  outline: none;
  transition: border-color 0.2s;
  color: var(--text);
}
#st-chat-input:focus { border-color: var(--blue); }
#st-chat-send {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s;
}
#st-chat-send:hover { background: var(--blue-light); }
#st-chat-send:disabled { opacity: 0.5; cursor: not-allowed; }

.st-booking-btn {
  align-self: flex-start;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  margin-top: 2px;
}
.st-booking-btn:hover { background: var(--blue-light); transform: scale(1.03); }

@media (max-width: 400px) {
  #st-chat-panel { width: calc(100vw - 32px); right: -4px; }
  #st-chatbot { bottom: 16px; right: 16px; }
}

/* ── Animations ───────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }