/* ── Theme Definitions ─────────────────────────────────────────────────── */
/* 4 themes with meaningful visual differences: fonts, radii, shadows, dividers */

/* Modern Light — clean white, sharp, green accent, DM Sans */
[data-theme="modern-light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --accent: #16a34a;
  --accent-hover: #15803d;
  --accent-rgb: 22, 163, 74;
  --border: #e2e8f0;
  --hero-overlay: linear-gradient(135deg, rgba(22,163,74,0.72) 0%, rgba(21,128,61,0.88) 100%);
  --hero-text: #ffffff;
  --hero-btn-bg: #ffffff;
  --hero-btn-text: #16a34a;
  --hero-align: center;
  --trust-bg: #16a34a;
  --trust-text: #ffffff;
  --cta-overlay: linear-gradient(135deg, rgba(30,41,59,0.88) 0%, rgba(15,23,42,0.94) 100%);
  --cta-text: #f1f5f9;
  --footer-bg: #1e293b;
  --footer-text: #94a3b8;
  --footer-heading: #f1f5f9;
  --footer-link: #94a3b8;
  --footer-link-hover: #ffffff;
  --demo-banner-bg: #fef3c7;
  --demo-banner-border: #f59e0b;
  --demo-banner-text: #92400e;
  --font-heading: 'DM Sans', 'Inter', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 0.5rem;
  --card-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.06);
  --card-shadow-hover: 0 8px 24px rgba(0,0,0,0.1);
  --card-border: 1px solid #e2e8f0;
  --icon-bg: #dcfce7;
  --icon-color: #16a34a;
  --header-bg: #ffffff;
  --header-shadow: 0 1px 3px rgba(0,0,0,0.08);
  --header-scrolled-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Bold Dark — navy/charcoal, dramatic, blue accent, Outfit */
[data-theme="bold-dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-rgb: 59, 130, 246;
  --border: #334155;
  --hero-overlay: linear-gradient(180deg, rgba(15,23,42,0.55) 0%, rgba(15,23,42,0.9) 100%);
  --hero-text: #ffffff;
  --hero-btn-bg: #3b82f6;
  --hero-btn-text: #ffffff;
  --hero-align: left;
  --trust-bg: #1e293b;
  --trust-text: #e2e8f0;
  --cta-overlay: linear-gradient(135deg, rgba(59,130,246,0.88) 0%, rgba(37,99,235,0.94) 100%);
  --cta-text: #ffffff;
  --footer-bg: #020617;
  --footer-text: #64748b;
  --footer-heading: #e2e8f0;
  --footer-link: #64748b;
  --footer-link-hover: #e2e8f0;
  --demo-banner-bg: #1e3a5f;
  --demo-banner-border: #3b82f6;
  --demo-banner-text: #93c5fd;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 0.75rem;
  --card-shadow: 0 4px 12px rgba(0,0,0,0.4);
  --card-shadow-hover: 0 8px 32px rgba(0,0,0,0.5);
  --card-border: 1px solid #334155;
  --icon-bg: rgba(59,130,246,0.15);
  --icon-color: #60a5fa;
  --header-bg: #0f172a;
  --header-shadow: 0 1px 3px rgba(0,0,0,0.3);
  --header-scrolled-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

/* Warm Classic — cream, soft, classic, orange accent, Playfair Display */
[data-theme="warm-classic"] {
  --bg-primary: #fef7f0;
  --bg-secondary: #fdf2e9;
  --bg-card: #ffffff;
  --text-primary: #44290f;
  --text-secondary: #78562b;
  --accent: #ea580c;
  --accent-hover: #c2410c;
  --accent-rgb: 234, 88, 12;
  --border: #e8d5c4;
  --hero-overlay: linear-gradient(135deg, rgba(234,88,12,0.68) 0%, rgba(194,65,12,0.85) 100%);
  --hero-text: #ffffff;
  --hero-btn-bg: #ffffff;
  --hero-btn-text: #ea580c;
  --hero-align: center;
  --trust-bg: #ea580c;
  --trust-text: #ffffff;
  --cta-overlay: linear-gradient(135deg, rgba(68,41,15,0.88) 0%, rgba(45,26,9,0.94) 100%);
  --cta-text: #fef7f0;
  --footer-bg: #44290f;
  --footer-text: #a0845e;
  --footer-heading: #fef7f0;
  --footer-link: #a0845e;
  --footer-link-hover: #fef7f0;
  --demo-banner-bg: #fef3c7;
  --demo-banner-border: #f59e0b;
  --demo-banner-text: #92400e;
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 1rem;
  --card-shadow: 0 2px 8px rgba(68,41,15,0.06), 0 4px 16px rgba(68,41,15,0.06);
  --card-shadow-hover: 0 8px 24px rgba(68,41,15,0.12);
  --card-border: 1px solid #e8d5c4;
  --icon-bg: #fff1e6;
  --icon-color: #ea580c;
  --header-bg: #fef7f0;
  --header-shadow: 0 1px 3px rgba(68,41,15,0.06);
  --header-scrolled-shadow: 0 4px 12px rgba(68,41,15,0.1);
}

/* Fresh Vibrant — white + gradient pops, purple-cyan, DM Sans, extra-rounded */
[data-theme="fresh-vibrant"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f0f9ff;
  --bg-card: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --accent: #8b5cf6;
  --accent-hover: #7c3aed;
  --accent-rgb: 139, 92, 246;
  --border: #e0e7ff;
  --hero-overlay: linear-gradient(135deg, rgba(139,92,246,0.72) 0%, rgba(6,182,212,0.78) 100%);
  --hero-text: #ffffff;
  --hero-btn-bg: #ffffff;
  --hero-btn-text: #8b5cf6;
  --hero-align: center;
  --trust-bg: linear-gradient(135deg, #8b5cf6, #06b6d4);
  --trust-text: #ffffff;
  --cta-overlay: linear-gradient(135deg, rgba(139,92,246,0.9) 0%, rgba(6,182,212,0.9) 100%);
  --cta-text: #ffffff;
  --footer-bg: #1e1b4b;
  --footer-text: #a5b4fc;
  --footer-heading: #e0e7ff;
  --footer-link: #a5b4fc;
  --footer-link-hover: #ffffff;
  --demo-banner-bg: #ede9fe;
  --demo-banner-border: #8b5cf6;
  --demo-banner-text: #5b21b6;
  --font-heading: 'DM Sans', 'Inter', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 1.5rem;
  --card-shadow: 0 1px 3px rgba(139,92,246,0.06), 0 4px 16px rgba(139,92,246,0.08);
  --card-shadow-hover: 0 8px 32px rgba(139,92,246,0.15);
  --card-border: 1px solid #e0e7ff;
  --icon-bg: #ede9fe;
  --icon-color: #8b5cf6;
  --header-bg: #ffffff;
  --header-shadow: 0 1px 3px rgba(139,92,246,0.06);
  --header-scrolled-shadow: 0 4px 16px rgba(139,92,246,0.1);
}

/* ── Reset + Base Typography ──────────────────────────────────────────── */

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  transition: background-color 0.3s, color 0.3s;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; height: auto; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 1.5rem; }

.section-title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 3rem;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  text-align: center;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }

/* ── Demo Banner + Theme Selector Tabs ────────────────────────────────── */

.demo-banner {
  background: var(--demo-banner-bg);
  border-bottom: 2px solid var(--demo-banner-border);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--demo-banner-text);
  z-index: 100;
}
.demo-banner strong { font-weight: 700; }
.demo-banner-text { flex: 1; min-width: 200px; }

.theme-selector {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.theme-tab {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  border: 2px solid transparent;
  border-radius: 2rem;
  background: transparent;
  color: var(--demo-banner-text);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  font-family: var(--font-body);
}
.theme-tab:hover { background: rgba(0,0,0,0.06); }
.theme-tab.active {
  background: rgba(0,0,0,0.1);
  border-color: var(--demo-banner-text);
}

.theme-swatch-circle {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(0,0,0,0.15);
}

/* ── Sticky Header + Mobile Hamburger Menu ────────────────────────────── */

header {
  background: var(--header-bg, var(--bg-primary));
  box-shadow: var(--header-shadow);
  padding: 0.85rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
  transition: background-color 0.3s, box-shadow 0.3s;
}
header.scrolled {
  box-shadow: var(--header-scrolled-shadow);
}
header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}
.logo-img {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.375rem;
}

nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
nav a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}
nav a:hover { color: var(--accent); }
nav .nav-cta {
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
  color: #fff;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 60;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
  border-radius: 2px;
}
.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Hero (full-viewport, background image, overlay) ──────────────────── */

.hero {
  min-height: 85vh;
  position: relative;
  display: flex;
  align-items: center;
  background-color: var(--accent);
  background-image: var(--hero-bg, none);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--hero-text);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--hero-overlay);
  z-index: 1;
}
.hero .container {
  position: relative;
  z-index: 2;
  padding-top: 3rem;
  padding-bottom: 5rem;
}
.hero-content {
  text-align: var(--hero-align, center);
  max-width: 700px;
  margin: 0 auto;
}
[data-theme="bold-dark"] .hero-content { margin: 0; }

.hero h1 {
  font-size: 3.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.hero .tagline {
  font-size: 1.15rem;
  opacity: 0.9;
  margin-bottom: 0.75rem;
  font-style: italic;
}
.hero .hero-text {
  font-size: 1.2rem;
  opacity: 0.92;
  margin-bottom: 2.5rem;
  max-width: 580px;
  line-height: 1.7;
}
[data-theme="modern-light"] .hero .hero-text,
[data-theme="warm-classic"] .hero .hero-text,
[data-theme="fresh-vibrant"] .hero .hero-text {
  margin-left: auto;
  margin-right: auto;
}

.hero .btn {
  background: var(--hero-btn-bg);
  color: var(--hero-btn-text);
  font-size: 1.1rem;
  padding: 1rem 2rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.hero .btn:hover {
  opacity: 0.92;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

.hero-divider {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
  z-index: 3;
}
[data-theme="modern-light"] .hero-divider {
  background: var(--bg-secondary);
  clip-path: polygon(100% 0, 0 100%, 100% 100%);
}
[data-theme="bold-dark"] .hero-divider {
  background: var(--bg-secondary);
  clip-path: ellipse(55% 100% at 50% 100%);
}
[data-theme="warm-classic"] .hero-divider {
  background: var(--bg-secondary);
  clip-path: ellipse(70% 100% at 50% 100%);
  height: 80px;
}
[data-theme="fresh-vibrant"] .hero-divider {
  display: none;
}

/* ── Trust Badges Bar ──────────────────────────────────────────────────── */

.trust-bar {
  background: var(--trust-bg);
  color: var(--trust-text);
  padding: 1.25rem 0;
}
.trust-bar .container {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}
.trust-badge {
  text-align: center;
}
.trust-badge .value {
  font-size: 1.75rem;
  font-weight: 700;
  font-family: var(--font-heading);
  display: block;
  line-height: 1.2;
}
.trust-badge .label {
  font-size: 0.85rem;
  opacity: 0.9;
}

/* ── Services Grid (icon circles + cards + hover) ─────────────────────── */

.services {
  background: var(--bg-secondary);
  padding: 5rem 0;
}
.services .section-title,
.services .section-subtitle { text-align: center; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.service-card {
  background: var(--bg-card);
  border: var(--card-border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  text-align: center;
  transition: box-shadow 0.25s, transform 0.25s;
  box-shadow: var(--card-shadow);
}
.service-card:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-4px);
}

.service-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--icon-bg);
  color: var(--icon-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.service-card h3 {
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  font-size: 1.15rem;
}
.service-card p { color: var(--text-secondary); font-size: 0.95rem; }

/* ── About (2-column: text left, image right) ─────────────────────────── */

.about {
  background: var(--bg-primary);
  padding: 5rem 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.about-text h2 { font-size: 2rem; margin-bottom: 1.5rem; }
.about-text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.about-image {
  position: relative;
}
.about-image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--card-shadow-hover);
  object-fit: cover;
  aspect-ratio: 4/3;
}
.about-image .photo-credit {
  position: absolute;
  bottom: 0.5rem;
  right: 0.75rem;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.7);
  background: rgba(0,0,0,0.4);
  padding: 0.15rem 0.4rem;
  border-radius: 0.25rem;
}

/* ── Gallery Strip (photo grid with hover zoom) ───────────────────────── */

.gallery {
  background: var(--bg-secondary);
  padding: 5rem 0;
}
.gallery .section-title { text-align: center; margin-bottom: 2.5rem; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 4/3;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery-item:hover img {
  transform: scale(1.08);
}
.gallery-item .photo-credit {
  position: absolute;
  bottom: 0.4rem;
  right: 0.5rem;
  font-size: 0.65rem;
  color: rgba(255,255,255,0.8);
  background: rgba(0,0,0,0.45);
  padding: 0.1rem 0.35rem;
  border-radius: 0.2rem;
  opacity: 0;
  transition: opacity 0.3s;
}
.gallery-item:hover .photo-credit { opacity: 1; }

/* ── Testimonials (star ratings, modern cards) ─────────────────────────── */

.testimonials {
  background: var(--bg-primary);
  padding: 5rem 0;
}
.testimonials .section-title { text-align: center; margin-bottom: 2.5rem; }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}
.testimonial-card {
  background: var(--bg-card);
  border: var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--card-shadow);
}
.testimonial-stars {
  color: #f59e0b;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  letter-spacing: 0.1em;
}
.testimonial-card .quote {
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.7;
  font-size: 0.95rem;
}
.testimonial-card .quote::before {
  content: "\201C";
  font-size: 2.5rem;
  color: var(--accent);
  line-height: 0;
  vertical-align: -0.6rem;
  margin-right: 0.1rem;
}
.testimonial-card .attribution {
  font-weight: 600;
  color: var(--text-primary);
}
.testimonial-card .role {
  color: var(--text-secondary);
  font-size: 0.85rem;
}
.testimonial-card .demo-note {
  font-size: 0.72rem;
  color: var(--text-secondary);
  opacity: 0.55;
  margin-top: 0.5rem;
}

/* ── CTA (background image + overlay) ──────────────────────────────────── */

.cta {
  position: relative;
  background-color: var(--footer-bg);
  background-image: var(--cta-bg, none);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--cta-text);
  padding: 5rem 0;
  text-align: center;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--cta-overlay);
  z-index: 1;
}
.cta .container {
  position: relative;
  z-index: 2;
}
.cta h2 { font-size: 2rem; margin-bottom: 1rem; }
.cta p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  max-width: 550px;
  margin-left: auto;
  margin-right: auto;
}
.cta .btn {
  background: var(--hero-btn-bg, #ffffff);
  color: var(--hero-btn-text, var(--accent));
  font-size: 1.1rem;
  padding: 1rem 2rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.cta .btn:hover { opacity: 0.92; transform: translateY(-2px); }
.cta .phone {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cta-text);
  margin-bottom: 0.5rem;
}
.cta .address { opacity: 0.75; margin-top: 0.75rem; }

/* ── Footer (3-column grid) ───────────────────────────────────────────── */

footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 3.5rem 0 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--footer-heading);
  margin-bottom: 0.75rem;
}
.footer-logo {
  width: 2rem;
  height: 2rem;
  border-radius: 0.25rem;
}
.footer-col h4 {
  color: var(--footer-heading);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  font-weight: 600;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul a,
.footer-col p a {
  color: var(--footer-link);
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-col ul a:hover,
.footer-col p a:hover { color: var(--footer-link-hover); }
.footer-col p {
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
}
.footer-bottom .demo-note {
  margin-top: 0.4rem;
  font-size: 0.75rem;
  opacity: 0.6;
}

/* ── Scroll Reveal Animations ──────────────────────────────────────────── */

@keyframes revealUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ── Responsive Breakpoints ───────────────────────────────────────────── */

@media (max-width: 768px) {
  nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-primary);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    box-shadow: -4px 0 20px rgba(0,0,0,0.15);
    transition: right 0.3s ease;
    z-index: 55;
  }
  nav.open { right: 0; }
  nav a { font-size: 1.1rem; margin: 0; }
  nav .nav-cta { text-align: center; width: 100%; }

  .hamburger { display: flex; }

  .hero { min-height: 70vh; }
  .hero h1 { font-size: 2.2rem; }
  .hero .hero-text { font-size: 1.05rem; }

  .about-grid { grid-template-columns: 1fr; }
  .about-image { order: -1; }

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

  .trust-bar .container { gap: 1.5rem; }
  .trust-badge .value { font-size: 1.35rem; }

  .demo-banner { flex-direction: column; text-align: center; }
  .theme-selector { justify-content: center; }

  [data-theme="bold-dark"] .hero-content { text-align: center; margin: 0 auto; }

  .section-title { font-size: 1.6rem; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .hero { min-height: 60vh; }
  .trust-bar .container { gap: 1rem; }
  .gallery-grid { grid-template-columns: 1fr; }
  .theme-tab span:last-child { display: none; }
  .theme-tab { padding: 0.3rem; }
  .container { padding: 0 1rem; }
}