/* =============================================
   RAB DESIGN STUDIO — PREMIUM CSS
   Color System derived from brand logo:
   - Sapphire Blue: #1A6BCC / #2480E8
   - Warm Gold / Amber: #C9860F / #E8A020
   - Deep Charcoal: #1A1A1E / #2C2C32
   - Warm White: #FAFAF8
   - Walnut Brown: #8B6240
   - Soft Grey: #E8E6E1
============================================= */

/* ======= RESET & TOKENS ======= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #2480E8;
  --blue-dark: #1A60BE;
  --blue-light: #5BA3F5;
  --gold: #C9860F;
  --gold-light: #E8A020;
  --gold-pale: #F5E4C0;
  --charcoal: #1A1A1E;
  --charcoal-mid: #2C2C32;
  --charcoal-soft: #3D3D45;
  --walnut: #8B6240;
  --warm-white: #FAFAF8;
  --off-white: #F2F0EB;
  --soft-grey: #E8E6E1;
  --mid-grey: #9B9895;
  --text-primary: #1A1A1E;
  --text-secondary: #5A5855;
  --text-muted: #8A8784;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.10);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.14);
  --shadow-blue: 0 8px 32px rgba(36,128,232,0.25);
  --shadow-gold: 0 8px 32px rgba(201,134,15,0.25);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; }

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--warm-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.nav-open { overflow: hidden; }

img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
address { font-style: normal; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-pad { padding: 96px 0; }

/* ======= PRELOADER ======= */
.preloader {
  position: fixed; inset: 0; z-index: 10000;
  background: var(--charcoal);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader-inner { text-align: center; }
.preloader-logo {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  margin-bottom: 32px;
}
.pre-rab {
  font-family: var(--font-display);
  font-size: 2.8rem; font-weight: 600; letter-spacing: 0.2em;
  color: var(--blue-light);
}
.pre-design {
  font-family: var(--font-body);
  font-size: 1.4rem; font-weight: 700; letter-spacing: 0.4em;
  color: #fff;
}
.pre-studio {
  font-family: var(--font-body);
  font-size: 0.75rem; font-weight: 400; letter-spacing: 0.6em;
  color: var(--gold-light); text-transform: uppercase;
}
.preloader-bar {
  width: 200px; height: 2px; background: rgba(255,255,255,0.15);
  border-radius: 2px; overflow: hidden;
}
.preloader-fill {
  height: 100%; width: 0; background: linear-gradient(90deg, var(--blue), var(--gold-light));
  animation: preload-fill 1.8s ease-out forwards;
}
@keyframes preload-fill { to { width: 100%; } }

/* ======= NAVIGATION ======= */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 24px;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.navbar.scrolled {
  background: rgba(250, 250, 248, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.08), var(--shadow-sm);
  padding: 0 24px;
}
.nav-container {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 80px;
}
.nav-logo {
  display: flex; align-items: center; gap: 12px;
}
.nav-logo-img {
  width: 52px; height: 52px; object-fit: contain;
  border-radius: 8px;
}
.nav-brand-text { display: flex; flex-direction: column; }
.nav-brand-name {
  font-family: var(--font-display);
  font-size: 1.1rem; font-weight: 600; color: var(--charcoal);
  line-height: 1.2; letter-spacing: 0.02em;
}
.nav-brand-tagline {
  font-size: 0.62rem; font-weight: 500; letter-spacing: 0.12em;
  color: var(--blue); text-transform: uppercase;
}
.navbar:not(.scrolled) .nav-brand-name { color: #fff; }
.navbar:not(.scrolled) .nav-brand-tagline { color: rgba(255,255,255,0.7); }

.nav-menu {
  display: flex; align-items: center; gap: 8px; list-style: none;
}
.nav-link {
  font-size: 0.82rem; font-weight: 500; letter-spacing: 0.06em;
  color: var(--text-secondary); padding: 8px 14px; border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  text-transform: uppercase;
}
.nav-link:hover { color: var(--blue); background: rgba(36,128,232,0.06); }
.navbar:not(.scrolled) .nav-link { color: rgba(255,255,255,0.85); }
.navbar:not(.scrolled) .nav-link:hover { color: #fff; background: rgba(255,255,255,0.1); }

.nav-cta-link {
  background: var(--blue) !important;
  color: #fff !important;
  padding: 10px 20px !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
  box-shadow: var(--shadow-blue);
  transition: background var(--transition), transform var(--transition-fast) !important;
}
.nav-cta-link:hover {
  background: var(--blue-dark) !important;
  transform: translateY(-1px);
  color: #fff !important;
}

.nav-hamburger {
  display: none; flex-direction: column; gap: 5px; padding: 8px;
  width: 40px; height: 40px; align-items: center; justify-content: center;
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: #fff; border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.navbar.scrolled .nav-hamburger span { background: var(--charcoal); }
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ======= BUTTONS ======= */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; border-radius: 50px;
  font-family: var(--font-body); font-size: 0.88rem; font-weight: 600;
  letter-spacing: 0.04em; cursor: pointer;
  transition: all var(--transition); white-space: nowrap; border: 2px solid transparent;
}
.btn i { font-size: 0.85em; }

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff; border-color: transparent;
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(36,128,232,0.4);
  background: linear-gradient(135deg, var(--blue-light), var(--blue));
}

.btn-outline {
  background: transparent; color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1); border-color: #fff;
  transform: translateY(-2px);
}

.btn-light {
  background: #fff; color: var(--charcoal);
  box-shadow: var(--shadow-md);
}
.btn-light:hover {
  background: var(--off-white); transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-light {
  background: transparent; color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.15); border-color: #fff;
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* ======= SECTION HEADERS ======= */
.section-label {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--blue);
  margin-bottom: 16px;
}
.section-label::before {
  content: ''; display: block; width: 28px; height: 2px;
  background: currentColor; border-radius: 2px;
}
.section-label.light { color: rgba(255,255,255,0.7); }
.section-label.light::before { background: rgba(255,255,255,0.5); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600; line-height: 1.15; color: var(--charcoal);
  margin-bottom: 20px;
}
.section-title em {
  font-style: italic; color: var(--blue);
}
.section-title.light { color: #fff; }
.section-title.light em { color: var(--gold-light); }

.section-subtitle {
  font-size: 1rem; color: var(--text-secondary); line-height: 1.7;
  max-width: 560px; margin: 0 auto;
}

.section-header { text-align: center; margin-bottom: 60px; }

/* ======= REVEAL ANIMATIONS ======= */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0; transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.revealed { opacity: 1 !important; transform: none !important; }

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.35s; }
.delay-4 { transition-delay: 0.5s; }

/* ======= HERO ======= */
.hero-section {
  position: relative; min-height: 100svh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; background: var(--charcoal);
}

.hero-bg-gallery { position: absolute; inset: 0; z-index: 0; }
.hero-bg-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1.2s ease;
  transform: scale(1.05);
  animation: hero-zoom 8s ease-in-out infinite alternate;
}
.hero-bg-slide.active { opacity: 1; }
@keyframes hero-zoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.0); }
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(
    160deg,
    rgba(26,26,30,0.82) 0%,
    rgba(26,26,30,0.65) 50%,
    rgba(36,128,232,0.15) 100%
  );
}

.hero-content {
  position: relative; z-index: 2;
  text-align: center; padding: 120px 24px 80px;
  max-width: 900px; margin: 0 auto;
}

.hero-eyebrow {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.25em;
  text-transform: uppercase; color: rgba(255,255,255,0.7);
  margin-bottom: 24px;
}
.eyebrow-line {
  display: block; width: 40px; height: 1px;
  background: var(--gold-light);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 600; line-height: 1.08;
  color: #fff; margin-bottom: 24px;
  letter-spacing: -0.01em;
}
.hero-headline em {
  font-style: italic; color: var(--gold-light);
  position: relative;
}

.hero-subtext {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: rgba(255,255,255,0.75); line-height: 1.75;
  margin-bottom: 40px; max-width: 580px; margin-left: auto; margin-right: auto;
}
.hero-br { display: none; }

.hero-actions {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 16px;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex; align-items: center; justify-content: center;
  gap: 40px; flex-wrap: wrap;
  padding: 28px 40px;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
}
.hero-stat { text-align: center; }
.stat-number {
  font-family: var(--font-display);
  font-size: 2.4rem; font-weight: 700; color: var(--gold-light);
  line-height: 1;
}
.stat-plus { font-size: 1.4rem; color: var(--gold-light); font-weight: 700; }
.stat-label {
  display: block; font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.08em; color: rgba(255,255,255,0.55); margin-top: 6px;
  text-transform: uppercase;
}
.hero-stat-divider {
  width: 1px; height: 50px;
  background: rgba(255,255,255,0.15);
}

.hero-scroll-indicator {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 2; text-align: center; display: flex; flex-direction: column;
  align-items: center; gap: 8px;
  font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}
@keyframes scroll-pulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.3); }
}

.hero-slide-dots {
  position: absolute; bottom: 36px; right: 40px; z-index: 2;
  display: flex; gap: 8px;
}
.slide-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.3); border: none;
  cursor: pointer; transition: all var(--transition);
}
.slide-dot.active {
  background: var(--gold-light); width: 24px; border-radius: 4px;
}

/* ======= TRUST STRIP ======= */
.trust-strip {
  background: var(--charcoal-mid); padding: 20px 24px;
}
.trust-container {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 20px;
}
.trust-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.06em;
  color: rgba(255,255,255,0.7); text-transform: uppercase;
}
.trust-item i { color: var(--gold-light); font-size: 1rem; }
.trust-divider {
  width: 1px; height: 20px; background: rgba(255,255,255,0.15);
}

/* ======= ABOUT ======= */
.about-section { background: var(--warm-white); }

.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}

.about-visual { position: relative; }
.about-img-main {
  position: relative; border-radius: var(--radius-lg);
  overflow: hidden; aspect-ratio: 4/3;
  box-shadow: var(--shadow-lg);
}
.about-img-main img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.8s ease;
}
.about-img-main:hover img { transform: scale(1.04); }

.about-img-badge {
  position: absolute; bottom: -24px; right: -24px;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff; border-radius: var(--radius-md);
  padding: 20px 24px; text-align: center;
  box-shadow: var(--shadow-blue);
}
.badge-number {
  display: block; font-family: var(--font-display);
  font-size: 2.4rem; font-weight: 700; line-height: 1;
}
.badge-text {
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.06em;
  opacity: 0.85; text-transform: uppercase;
}

.about-img-secondary {
  position: absolute; bottom: -60px; left: -32px;
  width: 44%; border-radius: var(--radius-md);
  overflow: hidden; box-shadow: var(--shadow-lg);
  border: 4px solid var(--warm-white);
  aspect-ratio: 3/4;
}
.about-img-secondary img { width: 100%; height: 100%; object-fit: cover; }

.about-lead {
  font-family: var(--font-display);
  font-size: 1.35rem; font-weight: 400; line-height: 1.6;
  color: var(--charcoal); margin-bottom: 16px;
  font-style: italic;
}
.about-body {
  font-size: 0.97rem; line-height: 1.8; color: var(--text-secondary);
  margin-bottom: 32px;
}

.about-pillars { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
.pillar {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px; background: var(--off-white);
  border-radius: var(--radius-md); border-left: 3px solid var(--blue);
  transition: transform var(--transition), box-shadow var(--transition);
}
.pillar:hover { transform: translateX(4px); box-shadow: var(--shadow-sm); }
.pillar i { font-size: 1.2rem; color: var(--blue); margin-top: 2px; flex-shrink: 0; }
.pillar strong { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 4px; }
.pillar span { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.5; }

/* ======= SERVICES ======= */
.services-section {
  background: var(--off-white);
  position: relative; overflow: hidden;
}
.services-section::before {
  content: ''; position: absolute; top: -80px; right: -80px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(36,128,232,0.06) 0%, transparent 70%);
}

.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: #fff; border-radius: var(--radius-lg);
  padding: 36px 28px; position: relative; overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.05);
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card::before {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--blue-light));
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.service-card:hover::before { transform: scaleX(1); }

.service-card.featured {
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--charcoal-mid) 100%);
  color: #fff;
}
.service-card.featured::before {
  background: linear-gradient(90deg, var(--gold-light), var(--gold));
}
.service-card.featured h3 { color: #fff; }
.service-card.featured p { color: rgba(255,255,255,0.7); }
.service-card.featured .service-features li { color: rgba(255,255,255,0.8); }
.service-card.featured .service-cta { color: var(--gold-light); }
.service-card.featured .service-cta:hover { color: #fff; }
.service-card.featured .service-icon-wrap { background: rgba(255,255,255,0.1); color: var(--gold-light); }

.service-badge {
  position: absolute; top: 20px; right: 20px;
  background: var(--gold); color: #fff;
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 4px 10px; border-radius: 50px;
}

.service-icon-wrap {
  width: 56px; height: 56px; border-radius: var(--radius-md);
  background: rgba(36,128,232,0.08); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 20px;
  transition: background var(--transition), color var(--transition);
}
.service-card:hover .service-icon-wrap {
  background: var(--blue); color: #fff;
}
.service-card.featured:hover .service-icon-wrap {
  background: var(--gold); color: #fff;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem; font-weight: 600;
  color: var(--charcoal); margin-bottom: 12px; line-height: 1.3;
}
.service-card p {
  font-size: 0.88rem; line-height: 1.7;
  color: var(--text-secondary); margin-bottom: 20px;
}

.service-features {
  list-style: none; display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 24px;
}
.service-features li {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.82rem; color: var(--text-secondary);
}
.service-features li i { color: var(--blue); font-size: 0.7rem; }
.service-card.featured .service-features li i { color: var(--gold-light); }

.service-cta {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.04em;
  color: var(--blue); transition: gap var(--transition-fast), color var(--transition-fast);
}
.service-cta:hover { gap: 10px; color: var(--blue-dark); }
.service-cta i { font-size: 0.7em; }

/* ======= PROJECTS ======= */
.projects-section { background: var(--warm-white); }

.projects-filter {
  display: flex; justify-content: center; gap: 12px;
  margin-bottom: 40px; flex-wrap: wrap;
}
.filter-btn {
  padding: 10px 24px; border-radius: 50px;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.06em;
  color: var(--text-secondary); background: var(--off-white);
  border: 1px solid var(--soft-grey);
  transition: all var(--transition-fast);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--charcoal); color: #fff; border-color: var(--charcoal);
}

.projects-masonry {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px; margin-bottom: 60px;
}

.project-card {
  border-radius: var(--radius-md); overflow: hidden;
  transition: transform var(--transition), opacity var(--transition);
}
.project-card.hidden { display: none; }

.project-img {
  position: relative; overflow: hidden; aspect-ratio: 3/4;
}
.project-card:nth-child(1), .project-card:nth-child(5) { aspect-ratio: auto; }
.project-card:nth-child(1) .project-img, .project-card:nth-child(5) .project-img {
  aspect-ratio: 3/2;
}
.project-card:nth-child(2) { grid-row: span 2; }
.project-card:nth-child(2) .project-img { aspect-ratio: auto; height: 100%; }

.project-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.8s ease;
}
.project-card:hover .project-img img { transform: scale(1.06); }

.project-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(26,26,30,0.92) 0%, rgba(26,26,30,0.3) 50%, transparent 100%);
  opacity: 0; transition: opacity var(--transition);
  display: flex; align-items: flex-end; padding: 24px;
}
.project-card:hover .project-overlay { opacity: 1; }

.project-overlay-content { transform: translateY(10px); transition: transform var(--transition); }
.project-card:hover .project-overlay-content { transform: translateY(0); }

.project-tag {
  display: inline-block; font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--gold-light); background: rgba(201,134,15,0.2);
  padding: 3px 10px; border-radius: 50px; margin-bottom: 8px;
}
.project-overlay-content h4 {
  font-family: var(--font-display);
  font-size: 1.1rem; font-weight: 600; color: #fff; margin-bottom: 4px;
}
.project-overlay-content p {
  font-size: 0.78rem; color: rgba(255,255,255,0.65); margin-bottom: 12px;
}
.project-view-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.78rem; font-weight: 600; color: #fff;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 8px 16px; border-radius: 50px;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.project-view-btn:hover {
  background: var(--blue); border-color: var(--blue);
}

.projects-cta { text-align: center; }
.projects-cta p {
  font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 20px;
  font-family: var(--font-display); font-style: italic;
}

/* ======= LIGHTBOX ======= */
.lightbox {
  position: fixed; inset: 0; z-index: 9000;
  background: rgba(10,10,12,0.96);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.lightbox.active { opacity: 1; visibility: visible; }

.lightbox-content {
  max-width: 90vw; max-height: 85vh; text-align: center;
}
.lightbox-content img {
  max-width: 100%; max-height: 78vh; object-fit: contain;
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
}
.lightbox-caption {
  font-family: var(--font-display); font-size: 1rem; font-style: italic;
  color: rgba(255,255,255,0.7); margin-top: 16px;
}

.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute; width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,0.1); color: #fff;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; transition: all var(--transition-fast);
}
.lightbox-close { top: 24px; right: 24px; }
.lightbox-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover {
  background: var(--blue); border-color: var(--blue); transform: translateY(-50%) scale(1.1);
}
.lightbox-close:hover { transform: scale(1.1); }

/* ======= PROCESS ======= */
.process-section { background: var(--off-white); }

.process-timeline {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 32px; position: relative;
}
.process-timeline::before {
  content: ''; position: absolute; top: 36px; left: 16.66%;
  right: 16.66%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue), var(--gold-light), var(--blue), transparent);
}

.process-step {
  text-align: center; padding: 32px 20px;
  background: #fff; border-radius: var(--radius-lg);
  position: relative; box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.05);
  transition: transform var(--transition), box-shadow var(--transition);
}
.process-step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

.process-step-number {
  position: absolute; top: -16px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-display); font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.15em; color: var(--blue);
  background: var(--off-white); padding: 4px 12px; border-radius: 50px;
  border: 1px solid rgba(36,128,232,0.2);
}

.process-step-icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(36,128,232,0.1), rgba(36,128,232,0.05));
  border: 2px solid rgba(36,128,232,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: var(--blue);
  margin: 8px auto 20px; transition: all var(--transition);
}
.process-step:hover .process-step-icon {
  background: var(--blue); color: #fff; border-color: var(--blue);
}

.process-step h3 {
  font-family: var(--font-display);
  font-size: 1.1rem; font-weight: 600; color: var(--charcoal);
  margin-bottom: 10px;
}
.process-step p {
  font-size: 0.85rem; line-height: 1.7; color: var(--text-secondary);
}

/* ======= WHY CHOOSE US ======= */
.why-section { position: relative; overflow: hidden; padding: 96px 0; }
.why-bg-image {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  background-attachment: fixed;
}
.why-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(26,26,30,0.93) 0%, rgba(26,96,190,0.75) 100%);
}

.why-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}

.why-lead {
  font-size: 1.05rem; line-height: 1.75; margin-bottom: 32px;
}
.why-lead.light { color: rgba(255,255,255,0.75); }

.why-features { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
.why-feature {
  display: flex; gap: 16px; align-items: flex-start;
}
.why-feature-icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.1); color: var(--gold-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.why-feature strong { display: block; font-size: 0.92rem; color: #fff; margin-bottom: 4px; }
.why-feature span { font-size: 0.82rem; color: rgba(255,255,255,0.6); line-height: 1.5; }

.why-visual { display: flex; align-items: center; justify-content: center; }
.why-card-stack {
  display: flex; flex-direction: column; gap: 20px; width: 100%; max-width: 340px;
}
.why-card {
  display: flex; align-items: center; gap: 20px;
  padding: 24px 28px; border-radius: var(--radius-md);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  transition: transform var(--transition), background var(--transition);
}
.why-card:hover {
  transform: translateX(8px);
  background: rgba(255,255,255,0.12);
}
.why-card i { font-size: 1.8rem; color: var(--gold-light); flex-shrink: 0; }
.why-card strong { display: block; font-size: 1.1rem; color: #fff; font-weight: 700; }
.why-card span { font-size: 0.78rem; color: rgba(255,255,255,0.6); }

.why-card-1 { transform: translateX(20px); }
.why-card-3 { transform: translateX(20px); }

/* ======= TESTIMONIALS ======= */
.testimonials-section { background: var(--warm-white); }

.testimonials-carousel { position: relative; overflow: hidden; }
.testimonial-track {
  display: flex; 
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
  min-width: 100%; padding: 48px 56px;
  background: var(--off-white); border-radius: var(--radius-xl);
  text-align: center;
  border: 1px solid var(--soft-grey);
}
.testimonial-stars {
  display: flex; justify-content: center; gap: 4px;
  color: var(--gold); font-size: 1.1rem; margin-bottom: 28px;
}
.testimonial-text {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.4rem); font-style: italic;
  line-height: 1.65; color: var(--charcoal);
  margin-bottom: 36px; max-width: 680px; margin-left: auto; margin-right: auto;
}
.testimonial-author {
  display: flex; align-items: center; justify-content: center; gap: 16px;
}
.testimonial-avatar {
  width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff; font-weight: 700; font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
}
.testimonial-author strong { display: block; font-size: 0.95rem; font-weight: 600; }
.testimonial-author span { font-size: 0.78rem; color: var(--text-muted); }

.testimonial-controls {
  display: flex; align-items: center; justify-content: center;
  gap: 20px; margin-top: 32px;
}
.tc-btn {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--off-white); color: var(--charcoal);
  border: 1px solid var(--soft-grey);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast);
}
.tc-btn:hover { background: var(--charcoal); color: #fff; }
.tc-dots { display: flex; gap: 8px; }
.tc-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--soft-grey); cursor: pointer; border: none;
  transition: all var(--transition-fast);
}
.tc-dot.active { background: var(--blue); width: 24px; border-radius: 4px; }

/* ======= FAQ ======= */
.faq-section { background: var(--off-white); }
.faq-grid {
  display: grid; grid-template-columns: 1fr 1.5fr;
  gap: 80px; align-items: start;
}
.faq-intro p {
  font-size: 0.97rem; line-height: 1.75; color: var(--text-secondary);
}

.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: #fff; border-radius: var(--radius-md);
  border: 1px solid var(--soft-grey); overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item.open { box-shadow: var(--shadow-md); border-color: rgba(36,128,232,0.2); }

.faq-question {
  width: 100%; text-align: left; padding: 20px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-size: 0.92rem; font-weight: 600; color: var(--charcoal);
  background: none; transition: color var(--transition-fast);
}
.faq-question:hover { color: var(--blue); }
.faq-item.open .faq-question { color: var(--blue); }

.faq-icon {
  font-size: 0.8rem; flex-shrink: 0; color: var(--blue);
  transition: transform var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 24px 20px; }
.faq-answer p {
  font-size: 0.88rem; line-height: 1.75; color: var(--text-secondary);
  border-top: 1px solid var(--soft-grey); padding-top: 16px;
}

/* ======= CTA BANNER ======= */
.cta-banner {
  position: relative; padding: 96px 24px;
  overflow: hidden; text-align: center;
}
.cta-banner-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  background-attachment: fixed;
}
.cta-banner-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(26,96,190,0.88), rgba(26,26,30,0.80));
}
.cta-banner-content {
  position: relative; z-index: 1;
  max-width: 640px; margin: 0 auto;
}
.cta-banner-content h2 {
  font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600; color: #fff; line-height: 1.15; margin-bottom: 16px;
}
.cta-banner-content p {
  font-size: 1.05rem; color: rgba(255,255,255,0.75);
  margin-bottom: 36px; line-height: 1.6;
}
.cta-banner-actions {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 16px;
}

/* ======= CONTACT ======= */
.contact-section { background: var(--warm-white); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: start;
}

.contact-info-card {
  background: var(--charcoal); color: #fff;
  border-radius: var(--radius-xl); padding: 40px 36px;
  display: flex; flex-direction: column; gap: 28px;
}
.contact-info-item {
  display: flex; gap: 16px; align-items: flex-start;
}
.contact-info-icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08); color: var(--gold-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.contact-info-item strong {
  display: block; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.5); margin-bottom: 6px;
}
.contact-info-item span, .contact-info-item a {
  font-size: 0.88rem; color: rgba(255,255,255,0.85); line-height: 1.6;
}
.contact-info-item a:hover { color: var(--gold-light); }

.contact-social {
  display: flex; gap: 12px; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px;
}
.social-btn {
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; transition: all var(--transition-fast);
}
.social-btn:hover { background: var(--blue); color: #fff; }
.social-btn.social-whatsapp:hover { background: #25D366; }

/* FORM */
.contact-form-wrap {
  background: var(--off-white); border-radius: var(--radius-xl);
  padding: 44px 40px;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-secondary);
}
.form-group input, .form-group select, .form-group textarea {
  font-family: var(--font-body); font-size: 0.92rem;
  padding: 14px 18px; border-radius: var(--radius-md);
  border: 1.5px solid var(--soft-grey); background: #fff;
  color: var(--text-primary); outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--blue); box-shadow: 0 0 0 3px rgba(36,128,232,0.12);
}
.form-group input::placeholder, .form-group textarea::placeholder {
  color: var(--mid-grey);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select { appearance: none; cursor: pointer; }

.form-success {
  display: none; align-items: center; justify-content: center; gap: 10px;
  padding: 16px; border-radius: var(--radius-md);
  background: rgba(34,197,94,0.1); color: #16a34a;
  font-weight: 600; font-size: 0.92rem;
}
.form-success.show { display: flex; }
.form-success i { font-size: 1.2rem; }

/* ======= FOOTER ======= */
.footer { background: var(--charcoal); color: rgba(255,255,255,0.75); }
.footer-top { padding: 80px 0 60px; }
.footer-grid {
  display: grid; grid-template-columns: 1.8fr 1fr 1fr 1.4fr; gap: 48px;
}
.footer-logo { width: 72px; border-radius: 8px; margin-bottom: 16px; }
.footer-tagline {
  font-size: 0.88rem; line-height: 1.7; color: rgba(255,255,255,0.55);
  margin-bottom: 24px; max-width: 280px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.07); color: rgba(255,255,255,0.6);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; transition: all var(--transition-fast);
}
.footer-social a:hover { background: var(--blue); color: #fff; }

.footer-col h4 {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.15em;
  text-transform: uppercase; color: #fff; margin-bottom: 20px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  font-size: 0.85rem; color: rgba(255,255,255,0.55);
  transition: color var(--transition-fast);
}
.footer-col ul a:hover { color: #fff; }

.footer-col address p {
  display: flex; gap: 10px; font-size: 0.85rem;
  color: rgba(255,255,255,0.55); line-height: 1.6; margin-bottom: 12px;
}
.footer-col address i { color: var(--gold-light); flex-shrink: 0; margin-top: 3px; }
.footer-col address a { color: rgba(255,255,255,0.55); }
.footer-col address a:hover { color: #fff; }

.footer-bottom {
  padding: 20px 0; border-top: 1px solid rgba(255,255,255,0.07);
}
.footer-bottom p {
  text-align: center; font-size: 0.78rem; color: rgba(255,255,255,0.35);
}

/* ======= FLOATING ELEMENTS ======= */
.whatsapp-float {
  position: fixed; bottom: 90px; right: 24px; z-index: 900;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-float:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 8px 32px rgba(37,211,102,0.5);
}
.whatsapp-tooltip {
  position: absolute; right: 68px;
  background: var(--charcoal); color: #fff;
  font-size: 0.75rem; font-weight: 600;
  padding: 6px 12px; border-radius: 6px; white-space: nowrap;
  opacity: 0; transform: translateX(8px);
  transition: all var(--transition-fast);
  pointer-events: none;
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; transform: translateX(0); }

.back-to-top {
  position: fixed; bottom: 24px; right: 24px; z-index: 900;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--charcoal); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: all var(--transition);
}
.back-to-top.show {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.back-to-top:hover {
  background: var(--blue); transform: translateY(-2px);
}

/* ======= RESPONSIVE — TABLET ======= */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { max-width: 560px; margin: 0 auto; padding-bottom: 60px; }
  
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  
  .projects-masonry {
    grid-template-columns: repeat(2, 1fr);
  }
  .project-card:nth-child(2) { grid-row: auto; }
  .project-card:nth-child(2) .project-img { aspect-ratio: 3/4; }
  
  .process-timeline { grid-template-columns: repeat(2, 1fr); }
  .process-timeline::before { display: none; }
  
  .why-grid { grid-template-columns: 1fr; gap: 48px; }
  .why-visual { order: -1; }
  .why-card-stack { flex-direction: row; max-width: 100%; flex-wrap: wrap; }
  .why-card { flex: 1; min-width: 200px; }
  .why-card-1, .why-card-3 { transform: none; }
  
  .faq-grid { grid-template-columns: 1fr; gap: 48px; }
  
  .contact-grid { grid-template-columns: 1fr; }
  
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

/* ======= RESPONSIVE — MOBILE ======= */
@media (max-width: 768px) {
  .section-pad { padding: 64px 0; }

  /* ---- MOBILE NAV FULLSCREEN OVERLAY ---- */
  .nav-menu {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 999;
    background: var(--charcoal);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 100px 0 48px;
    gap: 0;
    overflow-y: auto;
    opacity: 0; visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }
  .nav-menu.open { opacity: 1; visibility: visible; }

  /* All nav items as list rows */
  .nav-menu li {
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.07);
  }
  .nav-menu li:first-child { border-top: 1px solid rgba(255,255,255,0.07); }

  /* Regular links */
  .nav-link {
    display: block;
    width: 100%;
    max-width: 100% !important;
    font-size: 1.05rem !important;
    font-weight: 500 !important;
    letter-spacing: 0.1em !important;
    text-align: left !important;
    padding: 18px 28px !important;
    color: rgba(255,255,255,0.75) !important;
    background: transparent !important;
    border-radius: 0 !important;
    transition: color 0.2s ease, background 0.2s ease !important;
  }
  .nav-link:hover {
    color: #fff !important;
    background: rgba(255,255,255,0.05) !important;
  }

  /* CTA button — separate at bottom */
  .nav-menu li:last-child {
    border-bottom: none;
    margin-top: 24px;
    padding: 0 28px;
  }
  .nav-cta-link {
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    width: 100% !important;
    padding: 16px 28px !important;
    border-radius: var(--radius-md) !important;
    background: var(--blue) !important;
    color: #fff !important;
    font-size: 0.88rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.08em !important;
    text-align: center !important;
    margin-top: 0 !important;
    box-shadow: var(--shadow-blue) !important;
  }

  .nav-hamburger { display: flex; z-index: 1001; }

  /* ---- HERO ---- */
  .hero-headline { font-size: 2.4rem; }
  .hero-subtext { font-size: 0.95rem; }
  .hero-stats { gap: 24px; padding: 20px 24px; flex-direction: column; gap: 16px; }
  .hero-stat-divider { display: none; }

  /* ---- TRUST ---- */
  .trust-container { gap: 16px; }
  .trust-divider { display: none; }
  .trust-item { font-size: 0.72rem; }

  /* ---- SERVICES ---- */
  .services-grid { grid-template-columns: 1fr; }

  /* ---- PROJECTS ---- */
  .projects-masonry { grid-template-columns: 1fr 1fr; }

  /* ---- TESTIMONIALS ---- */
  .testimonial-card { padding: 32px 24px; }

  /* ---- CONTACT ---- */
  .contact-form-wrap { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }

  /* ---- FOOTER ---- */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  /* ---- MISC ---- */
  .hero-slide-dots { display: none; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-content { padding: 100px 16px 60px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  /* Fix right-side overflow: pull badge inside the visual box */
  .about-visual { overflow: hidden; padding-bottom: 0; }
  .about-img-badge {
    position: relative;
    bottom: auto; right: auto;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    border-radius: var(--radius-md);
    margin-top: 16px;
    padding: 14px 20px;
    width: 100%;
  }
  .about-img-secondary { display: none; }

  .projects-masonry { grid-template-columns: 1fr; }

  .cta-banner-actions { flex-direction: column; align-items: center; }
  .cta-banner-actions .btn { width: 100%; justify-content: center; }

  .process-timeline { grid-template-columns: 1fr; }

  .why-card-stack { flex-direction: column; }

  /* Prevent any element from overflowing the viewport width */
  .about-img-main { overflow: hidden; }
  .whatsapp-tooltip { display: none; }
}