/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   Liquid Pixel — Creative Edition
   Bold gradients, animated accents, agency energy
   Revert: rename styles-base.css -> styles.css
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

:root {
  --bg: #ffffff;
  --bg-deep: #f5f7fa;
  --bg-dark: #0c0f1a;
  --surface: #ffffff;
  --surface-hover: #f0f2f5;
  --surface-dark: #161b2e;
  --border: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.15);
  --border-light: rgba(255, 255, 255, 0.1);
  --primary: #0077B6;
  --primary-soft: rgba(0, 119, 182, 0.1);
  --secondary: #8B2FC9;
  --secondary-soft: rgba(139, 47, 201, 0.1);
  --cyan: #00B4D8;
  --magenta: #C850C0;
  --accent-gradient: linear-gradient(135deg, #00B4D8, #8B2FC9);
  --accent-gradient-wide: linear-gradient(135deg, #00B4D8, #0077B6, #8B2FC9, #C850C0);
  --text: #1a1a2e;
  --text-muted: rgba(26, 26, 46, 0.6);
  --text-dim: rgba(26, 26, 46, 0.4);
  --text-light: #e9f2f7;
  --text-light-muted: rgba(233, 242, 247, 0.6);
  --font: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --ease: cubic-bezier(0.25, 0.8, 0.25, 1);
  --radius: 16px;
  --radius-sm: 10px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Typography ── */
h1, h2, h3, h4 {
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 600px;
}

.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* ── Gradient Text Utility ── */
.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.3s var(--ease);
  cursor: pointer;
  border: none;
  font-family: var(--font);
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 15px rgba(0, 119, 182, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 119, 182, 0.4);
}

.btn-gradient {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 15px rgba(139, 47, 201, 0.3);
}
.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(139, 47, 201, 0.4);
}

.btn-secondary {
  background: var(--bg-deep);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border-hover);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}

/* Light variant for dark sections */
.btn-outline-light {
  background: transparent;
  color: var(--text-light);
  border: 2px solid var(--border-light);
}
.btn-outline-light:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-1px);
}

.btn.lg {
  padding: 1rem 2.5rem;
  font-size: 1rem;
}

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 0.5rem 0;
  background: transparent;
  transition: all 0.3s var(--ease);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 1.5rem;
}

.nav-links a:not(.btn) {
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  opacity: 0.85;
  transition: opacity 0.2s, color 0.3s;
}
.nav-links a:not(.btn):hover {
  opacity: 1;
}

.navbar.scrolled .nav-links a:not(.btn) {
  color: var(--text);
}

.nav-links a.btn {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
  width: auto;
}

/* ── Mobile Nav ── */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 101;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  margin: 5px 0;
  transition: all 0.3s var(--ease);
}

.navbar.scrolled .nav-toggle span {
  background: var(--text);
}

@media (max-width: 767px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(12, 15, 26, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    z-index: 100;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a:not(.btn) {
    color: #fff !important;
    font-size: 1.25rem;
    opacity: 1;
  }

  .nav-links a.btn {
    padding: 0.75rem 2rem;
    font-size: 1rem;
  }

  .nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* ── Hero — Full gradient dark section ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 10rem 0 6rem;
  position: relative;
  background: var(--bg-dark);
  color: var(--text-light);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(0, 180, 216, 0.15) 0%, transparent 60%);
  pointer-events: none;
  animation: heroGlow1 8s ease-in-out infinite alternate;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -50%;
  right: -20%;
  width: 70%;
  height: 180%;
  background: radial-gradient(ellipse, rgba(139, 47, 201, 0.12) 0%, transparent 60%);
  pointer-events: none;
  animation: heroGlow2 10s ease-in-out infinite alternate;
}

@keyframes heroGlow1 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(5%, 3%) scale(1.1); }
}

@keyframes heroGlow2 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-4%, -2%) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin-bottom: 1.5rem;
  padding: 0.4rem 0.8rem;
  background: rgba(0, 180, 216, 0.15);
  border: 1px solid rgba(0, 180, 216, 0.25);
  border-radius: 50px;
}

.main-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--text-light);
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-light-muted);
  margin-bottom: 2.5rem;
  line-height: 1.7;
  max-width: 620px;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-ctas .btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-light);
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.hero-ctas .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

/* ── Trusted By — gradient divider ── */
.trusted-by {
  padding: 3rem 0;
  position: relative;
  background: var(--bg);
}

.trusted-by::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
}

.trusted-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.trusted-logo {
  height: 70px;
  width: auto;
  object-fit: contain;
  opacity: 0.5;
  filter: grayscale(100%);
  transition: all 0.4s var(--ease);
}
.trusted-logo:hover {
  opacity: 1;
  filter: grayscale(0%);
  transform: scale(1.05);
}
.driscoll-logo { height: 55px; }

/* ── Section Spacing ── */
section {
  padding: 6rem 0;
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
}

/* Dark section variant */
.section-dark {
  background: var(--bg-dark);
  color: var(--text-light);
}

.section-dark .section-title {
  color: var(--text-light);
}

.section-dark .section-subtitle,
.section-dark p {
  color: var(--text-light-muted);
}

/* ── Cards ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all 0.3s var(--ease);
}
.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

/* ── Tours Carousel — dark section ── */
.tours {
  background: var(--bg-dark);
  color: var(--text-light);
  border: none;
  position: relative;
  overflow: hidden;
}

.tours::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
}

.tours .section-title {
  color: var(--text-light);
}

.carousel-container {
  position: relative;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  gap: 1.5rem;
  padding: 0.5rem 0 2rem;
  scrollbar-width: none;
}
.carousel-track::-webkit-scrollbar { display: none; }

.carousel-card {
  flex: 0 0 85%;
  scroll-snap-align: start;
  background: var(--surface-dark);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s var(--ease);
}
.carousel-card:hover {
  border-color: rgba(0, 180, 216, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.tour-image {
  height: 200px;
  width: 100%;
  background-size: cover;
  background-position: center;
}

.modern-gradient-1 { background: linear-gradient(135deg, #00B4D8 0%, #0077B6 100%); }
.modern-gradient-2 { background: linear-gradient(135deg, #6B21A8 0%, #C850C0 100%); }
.modern-gradient-3 { background: linear-gradient(135deg, #0077B6 0%, #8B2FC9 100%); }

.tour-info {
  padding: 1.5rem;
}
.tour-info h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-light);
}
.tour-info p {
  color: var(--text-light-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.carousel-btn { display: none; }

/* ── Services Grid — gradient border cards ── */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.service-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s var(--ease);
  border: 1px solid var(--border);
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  border-radius: var(--radius) var(--radius) 0 0;
  opacity: 0;
  transition: opacity 0.3s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  border-color: transparent;
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  border-radius: var(--radius-sm);
  color: #fff;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.service-card .btn {
  margin-top: auto;
}

/* ── Industries — dark section ── */
.industries-scroll {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding: 0.5rem 0 1rem;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}
.industries-scroll::-webkit-scrollbar { display: none; }

.industry-card {
  flex: 0 0 280px;
  scroll-snap-align: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all 0.3s var(--ease);
}
.industry-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

.industry-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.industry-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ── FAQ ── */
.faq-list {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0;
}

.faq-item summary {
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text);
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary:hover {
  color: var(--primary);
}

.faq-item summary .faq-toggle {
  color: var(--text-dim);
  font-size: 1.25rem;
  transition: transform 0.3s, color 0.3s;
}

.faq-item[open] summary .faq-toggle {
  transform: rotate(45deg);
  color: var(--secondary);
}

.faq-item p {
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ── Case Studies ── */
.case-studies-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.case-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s var(--ease);
}
.case-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.case-card .case-logo {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  height: 65px;
  width: auto;
  object-fit: contain;
  opacity: 0.6;
  transition: opacity 0.3s;
}

.case-card:hover .case-logo {
  opacity: 0.9;
}

.case-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  padding-right: 60px;
}

.case-card .case-venue {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.case-section-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.case-card .case-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.case-card .btn {
  margin-top: auto;
}

.case-metrics {
  display: flex;
  gap: 2rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.metric {
  text-align: center;
}
.metric-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.metric-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Pricing — featured card with gradient border ── */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: all 0.3s var(--ease);
}
.pricing-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.pricing-card.featured {
  border: none;
  position: relative;
  background: var(--surface);
}

.pricing-card.featured::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 2px;
  background: var(--accent-gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.pricing-card.featured:hover {
  box-shadow: 0 12px 40px rgba(0, 119, 182, 0.15);
}

.pricing-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pricing-amount {
  font-size: 2rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
}

.feature-list {
  list-style: none;
  margin: 0 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex-grow: 1;
}

.feature-list li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding-left: 1.5rem;
  position: relative;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  background: var(--accent-gradient);
  border-radius: 50%;
}

/* ── About ── */
.about-content {
  max-width: 700px;
  margin: 0 auto;
}

.about-content .lead {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.about-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.about-tagline {
  font-weight: 700;
  font-size: 1.1rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 2px solid transparent;
  border-image: var(--accent-gradient) 1;
}

/* ── Footer — dark with gradient top ── */
.contact {
  padding: 6rem 0 2rem;
  background: var(--bg-dark);
  color: var(--text-light);
  position: relative;
}

.contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
}

.footer-inner {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.footer-inner h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  color: var(--text-light);
}

.footer-inner > p {
  color: var(--text-light-muted);
  margin-bottom: 2rem;
  font-size: 1rem;
}

.contact-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.contact-links .btn-outline {
  color: var(--text-light);
  border-color: var(--border-light);
}
.contact-links .btn-outline:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding-top: 1.5rem;
  text-align: center;
  color: var(--text-light-muted);
  font-size: 0.8rem;
}

/* ── Sub-page Hero (shorter) ── */
.hero-subpage {
  min-height: auto;
  padding: 10rem 0 4rem;
}

.hero-subpage .hero-content {
  max-width: 900px;
}

/* ── Tour Embed ── */
.tour-embed {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: 2rem;
}

.tour-embed iframe {
  width: 100%;
  height: 500px;
  border: none;
}

/* ── Tour Grid (sub-pages) ── */
.tour-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.tour-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s var(--ease);
}
.tour-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.tour-card-image {
  height: 220px;
  background-size: cover;
  background-position: center;
}

.tour-card-body {
  padding: 1.5rem;
}

.tour-card-body h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.tour-card-body p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* ── Back Link ── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-light-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  transition: color 0.2s;
}
.back-link:hover {
  color: var(--cyan);
}

/* ── Animations ── */
.fade-in {
  animation: fadeIn 0.8s ease-out forwards;
  opacity: 0;
}
.fade-in-delay {
  animation: fadeIn 0.8s ease-out 0.3s forwards;
  opacity: 0;
}
.slide-up {
  animation: slideUp 0.8s ease-out forwards;
  opacity: 0;
  transform: translateY(20px);
}

@keyframes fadeIn { to { opacity: 1; } }
@keyframes slideUp { to { opacity: 1; transform: translateY(0); } }

/* ── Responsive ── */

@media (min-width: 768px) {
  .container { padding: 0 2.5rem; }
  .section-title { font-size: 2.75rem; }

  .main-title { font-size: 4rem; }
  .hero { padding: 12rem 0 8rem; }
  .hero-desc { font-size: 1.15rem; }

  .carousel-card { flex: 0 0 calc(50% - 0.75rem); }
  .tour-image { height: 240px; }

  .carousel-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: var(--surface-dark);
    border: 1px solid var(--border-light);
    color: var(--text-light);
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    transition: all 0.2s;
    font-size: 0.9rem;
  }
  .carousel-btn:hover {
    background: rgba(0, 180, 216, 0.2);
    border-color: var(--cyan);
    color: var(--cyan);
  }
  .carousel-btn.prev { left: -0.5rem; }
  .carousel-btn.next { right: -0.5rem; }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .case-studies-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .tour-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tour-embed iframe {
    height: 600px;
  }

  .trusted-logo { height: 90px; }
  .driscoll-logo { height: 70px; }
}

@media (min-width: 1024px) {
  .main-title { font-size: 4.5rem; }

  .carousel-card { flex: 0 0 calc(33.333% - 1rem); }
  .carousel-container { padding: 0 3rem; }
  .carousel-btn.prev { left: 0; }
  .carousel-btn.next { right: 0; }

  .tour-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ━━━ Reviews Marquee ━━━ */
#reviews {
  padding: 4rem 0 2rem;
}

.reviews-marquee {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 2rem;
}

.reviews-marquee::-webkit-scrollbar {
  height: 4px;
}

.reviews-marquee::-webkit-scrollbar-track {
  background: transparent;
}

.reviews-marquee::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
}

.reviews-track {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  padding: 0.5rem 0;
}

.review-card {
  flex-shrink: 0;
  width: 340px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.8rem;
  transition: border-color 0.3s ease;
}

.review-card:hover {
  border-color: var(--accent);
}

.review-stars {
  color: #f5a623;
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
  letter-spacing: 0.1em;
}

.review-text {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  font-style: italic;
}

.review-author {
  color: var(--text-dim);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.review-company {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 500;
  margin-top: 0.25rem;
  letter-spacing: 0.04em;
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ━━━ Hero Video ━━━ */
.hero-video {
  margin-top: 2.5rem;
  max-width: 800px;
  width: 100%;
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 0 40px rgba(0, 180, 216, 0.15);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}