/* ── RESET & BASE ───────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

:root {
  --navy:      #162240;
  --blue:      #1e4da1;
  --blue-mid:  #2a6dd9;
  --cyan:      #3fb8d8;
  --cyan-light:#7dd3ec;
  --white:     #ffffff;
  --gray-50:   #f8fafc;
  --gray-100:  #f1f5f9;
  --gray-300:  #cbd5e1;
  --gray-600:  #475569;
  --gray-800:  #1e293b;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.12);
  --shadow-md: 0 8px 32px rgba(0,0,0,.18);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.25);
  --radius:    16px;
  --transition: .35s cubic-bezier(.4,0,.2,1);
}

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  color: var(--gray-800);
  background: var(--white);
  overflow-x: hidden;
}

/* ── SCROLLBAR ──────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--cyan); border-radius: 3px; }

/* ── CURSOR LIGHT EFFECT ────────────────────── */
.cursor-glow {
  position: fixed;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(63,184,216,.08) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 9999;
  transition: opacity .3s;
}

/* ── NAVBAR ─────────────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 1rem 2rem;
  display: flex; align-items: center; justify-content: space-between;
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(22,34,64,.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0,0,0,.3);
  padding: .75rem 2rem;
}
.nav-logo img { height: 44px; }
.nav-links {
  display: flex; gap: 2rem; list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,.85);
  text-decoration: none;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 500;
  font-size: .88rem;
  letter-spacing: .03em;
  transition: color .2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--cyan);
  transition: width .3s;
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: linear-gradient(135deg, var(--cyan), var(--blue-mid));
  color: var(--white) !important;
  padding: .5rem 1.25rem !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { opacity: .9; transform: translateY(-1px); }
.hamburger { display: none; cursor: pointer; color: white; font-size: 1.5rem; }

/* ── HERO ───────────────────────────────────── */
#hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: var(--navy);
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('../images/hero-bg.jpg');
  background-size: cover; background-position: center;
  transform: scale(1.08);
  transition: transform 8s ease;
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    135deg,
    rgba(22,34,64,.88) 0%,
    rgba(30,77,161,.65) 50%,
    rgba(22,34,64,.82) 100%
  );
}
#hero:hover .hero-bg { transform: scale(1.12); }

/* Animated grid lines */
.hero-grid {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none;
}
.hero-grid::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(63,184,216,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63,184,216,.06) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}
@keyframes gridMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(60px); }
}

/* Floating particles */
.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--cyan);
  opacity: .15;
  animation: float linear infinite;
}
@keyframes float {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: .15; }
  90% { opacity: .15; }
  100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

.hero-content {
  position: relative; z-index: 2;
  text-align: center; color: white;
  padding: 2rem; max-width: 900px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(63,184,216,.15);
  border: 1px solid rgba(63,184,216,.35);
  color: var(--cyan-light);
  padding: .4rem 1rem; border-radius: 50px;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: .78rem; font-weight: 600; letter-spacing: .1em;
  text-transform: uppercase; margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
  animation: fadeDown .8s ease both;
}
.hero-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  font-weight: 900; line-height: 1.05;
  letter-spacing: -.02em;
  margin-bottom: 1.25rem;
  animation: fadeUp .8s .15s ease both;
}
.hero-title em {
  font-style: italic;
  font-weight: 300;
  font-size: 1.08em;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-title span {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 300;
  font-size: 1.2rem; color: rgba(255,255,255,.78);
  max-width: 600px; margin: 0 auto 2.5rem;
  line-height: 1.75;
  animation: fadeUp .8s .3s ease both;
}
.hero-actions {
  display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap;
  animation: fadeUp .8s .45s ease both;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: .6rem;
  background: linear-gradient(135deg, var(--cyan), var(--blue-mid));
  color: white; padding: .9rem 2rem;
  border-radius: 50px;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 700; font-size: .95rem;
  text-decoration: none; border: none; cursor: pointer;
  box-shadow: 0 8px 30px rgba(63,184,216,.4);
  transition: var(--transition);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(63,184,216,.5);
}
.btn-outline {
  display: inline-flex; align-items: center; gap: .6rem;
  background: transparent;
  color: white; padding: .9rem 2rem;
  border-radius: 50px;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 600; font-size: .95rem;
  text-decoration: none;
  border: 2px solid rgba(255,255,255,.35);
  transition: var(--transition);
}
.btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.6);
  transform: translateY(-3px);
}

/* Elevator shaft animation */
.elevator-shaft {
  position: absolute; right: 8%; top: 0; bottom: 0;
  width: 80px; display: flex; flex-direction: column;
  align-items: center; pointer-events: none;
}
.shaft-line {
  width: 2px; flex: 1;
  background: linear-gradient(to bottom,
    transparent,
    rgba(63,184,216,.2) 20%,
    rgba(63,184,216,.4) 50%,
    rgba(63,184,216,.2) 80%,
    transparent
  );
}
.elevator-car {
  position: absolute;
  width: 60px; height: 80px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(63,184,216,.4);
  border-radius: 8px;
  backdrop-filter: blur(4px);
  animation: elevate 6s ease-in-out infinite;
  display: flex; align-items: center; justify-content: center;
}
.elevator-car::before {
  content: '';
  position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 20px;
  background: linear-gradient(to bottom, rgba(63,184,216,.6), transparent);
}
.elevator-car i { color: rgba(63,184,216,.8); font-size: 1.5rem; }
@keyframes elevate {
  0%, 100% { top: 70%; }
  45%, 55% { top: 15%; }
}

/* Scroll indicator */
.scroll-hint {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  color: rgba(255,255,255,.5); font-size: .75rem; letter-spacing: .12em;
  text-transform: uppercase; animation: fadeIn 1s 1s ease both;
}
.scroll-hint span { animation: bounce 2s ease infinite; }
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ── STATS BAR ──────────────────────────────── */
#stats {
  background: linear-gradient(135deg, var(--navy), var(--blue));
  padding: 2.5rem 2rem;
}
.stats-grid {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem;
  text-align: center;
}
.stat-item { color: white; }
.stat-num {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 2.8rem; font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-label {
  font-size: .82rem; letter-spacing: .1em;
  text-transform: uppercase; color: rgba(255,255,255,.6);
  margin-top: .35rem;
}

/* ── SECTIONS ────────────────────────────────── */
section { padding: 6rem 2rem; }
.container { max-width: 1100px; margin: 0 auto; }
.section-tag {
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--cyan); font-size: .75rem; font-weight: 700;
  font-family: 'DM Sans', system-ui, sans-serif;
  letter-spacing: .18em; text-transform: uppercase; margin-bottom: .75rem;
}
.section-tag::before {
  content: ''; width: 24px; height: 2px; background: var(--cyan);
}
.section-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 900;
  color: var(--navy); line-height: 1.1;
  letter-spacing: -.02em;
  margin-bottom: 1.25rem;
}
.section-title em {
  font-style: italic; font-weight: 300;
  color: var(--cyan);
}
.section-desc {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 300;
  font-size: 1.08rem; color: var(--gray-600);
  line-height: 1.8; max-width: 560px;
}

/* ── ABOUT ──────────────────────────────────── */
#about { background: var(--gray-50); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center;
}
.about-image {
  position: relative; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-image img {
  width: 100%; height: 500px; object-fit: cover;
  display: block;
  transition: transform .6s ease;
}
.about-image:hover img { transform: scale(1.03); }
.about-image-badge {
  position: absolute; bottom: 1.5rem; left: 1.5rem;
  background: rgba(22,34,64,.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(63,184,216,.3);
  color: white; padding: 1rem 1.5rem;
  border-radius: 12px;
  display: flex; align-items: center; gap: 1rem;
}
.about-image-badge i { color: var(--cyan); font-size: 1.8rem; }
.about-image-badge strong { display: block; font-size: 1.5rem; font-family: 'Fraunces', Georgia, serif; }
.about-image-badge span { font-size: .78rem; color: rgba(255,255,255,.65); }
.check-list {
  list-style: none; margin: 1.75rem 0 2rem; display: flex; flex-direction: column; gap: .75rem;
}
.check-list li {
  display: flex; align-items: flex-start; gap: .75rem;
  color: var(--gray-600); line-height: 1.5;
}
.check-list li::before {
  content: '';
  width: 20px; height: 20px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--cyan), var(--blue-mid));
  border-radius: 50%; margin-top: .1rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-size: 12px; background-repeat: no-repeat; background-position: center;
}

/* ── SERVICES ────────────────────────────────── */
#services { background: var(--white); }
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; margin-top: 3rem;
}
.service-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: default;
  position: relative;
  background: var(--white);
  border: 1px solid rgba(0,0,0,.07);
}
.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}
.service-img {
  height: 220px; overflow: hidden;
}
.service-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s ease;
}
.service-card:hover .service-img img { transform: scale(1.1); }
.service-body { padding: 1.75rem; }
.service-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--cyan), var(--blue-mid));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
}
.service-icon i { color: white; font-size: 1.25rem; }
.service-card h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.3rem; font-weight: 700; color: var(--navy); margin-bottom: .5rem;
}
.service-card p {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 300;
  font-size: .93rem; color: var(--gray-600); line-height: 1.7;
}
.service-tag {
  position: absolute; top: 1rem; right: 1rem;
  background: var(--navy); color: var(--cyan);
  padding: .25rem .7rem; border-radius: 50px;
  font-size: .72rem; font-weight: 700; letter-spacing: .06em;
}

/* ── FEATURES ────────────────────────────────── */
#features {
  background: linear-gradient(135deg, var(--navy) 0%, #1a3060 100%);
  color: white; position: relative; overflow: hidden;
}
#features::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(63,184,216,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63,184,216,.04) 1px, transparent 1px);
  background-size: 50px 50px;
}
#features .section-title { color: white; }
#features .section-desc { color: rgba(255,255,255,.65); }
.features-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; position: relative;
}
.features-list {
  display: flex; flex-direction: column; gap: 1.5rem; margin-top: 2rem;
}
.feature-item {
  display: flex; gap: 1.25rem;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(63,184,216,.12);
  border-radius: 14px; padding: 1.5rem;
  transition: var(--transition);
}
.feature-item:hover {
  background: rgba(255,255,255,.09);
  border-color: rgba(63,184,216,.3);
  transform: translateX(6px);
}
.feature-icon {
  width: 52px; height: 52px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--cyan), var(--blue-mid));
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
}
.feature-icon i { color: white; font-size: 1.3rem; }
.feature-item h4 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.12rem; font-weight: 700; margin-bottom: .35rem; color: white;
}
.feature-item p {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 300;
  font-size: .9rem; color: rgba(255,255,255,.62); line-height: 1.65;
}
.features-image {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.features-image img { width: 100%; height: 520px; object-fit: cover; }
.features-image::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(22,34,64,.3) 0%, transparent 60%);
}

/* ── GALLERY ────────────────────────────────── */
#gallery { background: var(--gray-50); }
.gallery-header {
  display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 2.5rem;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 240px 240px;
  gap: 1rem;
}
.gallery-item {
  border-radius: 12px; overflow: hidden;
  position: relative; cursor: zoom-in;
}
.gallery-item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
.gallery-item:nth-child(4) { grid-column: span 2; }
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(22,34,64,.5), transparent 50%);
  opacity: 0; transition: opacity .3s;
}
.gallery-item:hover::after { opacity: 1; }
.gallery-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 1rem 1.25rem;
  color: white; font-size: .82rem; font-weight: 600;
  background: linear-gradient(to top, rgba(22,34,64,.85), transparent);
  transform: translateY(100%); transition: transform .3s ease;
  z-index: 2;
}
.gallery-item:hover .gallery-caption { transform: translateY(0); }

/* ── CASE STUDY ──────────────────────────────── */
#case-study {
  background: var(--navy);
  color: white;
  overflow: hidden;
  position: relative;
}
#case-study::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(63,184,216,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63,184,216,.03) 1px, transparent 1px);
  background-size: 50px 50px;
}
.case-study-inner {
  position: relative;
  display: grid; grid-template-columns: 1fr 1fr; gap: 0; min-height: 600px;
}
.case-study-images {
  position: relative; overflow: hidden;
}
.case-study-img-main {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .8s ease;
}
#case-study:hover .case-study-img-main { transform: scale(1.04); }
.case-study-img-secondary {
  position: absolute; bottom: 2rem; right: -2rem;
  width: 200px; height: 140px; object-fit: cover;
  border-radius: 12px;
  border: 3px solid var(--navy);
  box-shadow: var(--shadow-lg);
  transition: transform .4s ease;
}
#case-study:hover .case-study-img-secondary { transform: translateX(-8px) translateY(-4px); }
.case-study-content {
  padding: 5rem 4rem;
  display: flex; flex-direction: column; justify-content: center;
}
.case-study-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(63,184,216,.12);
  border: 1px solid rgba(63,184,216,.3);
  color: var(--cyan);
  padding: .4rem .9rem; border-radius: 50px;
  font-size: .72rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; margin-bottom: 1.5rem; width: fit-content;
}
.case-study-content h2 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 900;
  line-height: 1.1; letter-spacing: -.02em; margin-bottom: 1.25rem;
}
.case-study-content h2 em {
  font-style: italic; font-weight: 300; color: var(--cyan);
}
.case-study-content p {
  color: rgba(255,255,255,.7); line-height: 1.8;
  font-size: 1rem; margin-bottom: 2rem;
}
.case-study-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 2.5rem;
}
.cs-stat {
  border-left: 2px solid rgba(63,184,216,.3); padding-left: 1rem;
}
.cs-stat strong {
  display: block;
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.8rem; font-weight: 900; color: var(--cyan); line-height: 1;
}
.cs-stat span { font-size: .78rem; color: rgba(255,255,255,.55); margin-top: .2rem; display: block; }
.case-study-tags {
  display: flex; gap: .5rem; flex-wrap: wrap;
}
.cs-tag {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.7);
  padding: .3rem .8rem; border-radius: 50px; font-size: .78rem;
}

/* ── ELEVATOR NAVIGATOR ──────────────────────── */
#elevator-nav {
  position: fixed; right: 1.5rem; top: 50%; transform: translateY(-50%);
  z-index: 990; display: flex; flex-direction: column; align-items: center;
  gap: 0;
}
.elev-btn {
  width: 36px; height: 36px;
  background: rgba(22,34,64,.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(63,184,216,.3);
  color: var(--cyan); font-size: .85rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition);
  border-radius: 8px 8px 0 0;
}
.elev-btn:last-child { border-radius: 0 0 8px 8px; border-top: none; }
.elev-btn:hover {
  background: var(--cyan); color: var(--navy);
  border-color: var(--cyan);
}
.elev-shaft {
  width: 36px; position: relative;
  background: rgba(22,34,64,.85);
  backdrop-filter: blur(10px);
  border-left: 1px solid rgba(63,184,216,.3);
  border-right: 1px solid rgba(63,184,216,.3);
}
.elev-rail {
  width: 2px; background: rgba(63,184,216,.15);
  margin: 0 auto; position: absolute;
  top: 0; bottom: 0; left: 50%; transform: translateX(-50%);
}
.elev-floors {
  display: flex; flex-direction: column;
  padding: .5rem 0;
  position: relative; z-index: 1;
}
.elev-floor {
  width: 36px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; position: relative;
  transition: var(--transition);
}
.elev-floor-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: rgba(63,184,216,.3);
  transition: var(--transition);
}
.elev-floor.active .elev-floor-dot {
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(63,184,216,.8);
  transform: scale(1.4);
}
.elev-floor-label {
  position: absolute; right: calc(100% + 8px);
  background: rgba(22,34,64,.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(63,184,216,.25);
  color: var(--cyan); font-size: .65rem; font-weight: 600;
  padding: .25rem .5rem; border-radius: 6px;
  white-space: nowrap; opacity: 0; pointer-events: none;
  transition: opacity .2s, transform .2s;
  transform: translateX(4px);
}
.elev-floor:hover .elev-floor-label,
.elev-floor.active .elev-floor-label {
  opacity: 1; transform: translateX(0);
}
.elev-car {
  position: absolute; left: 50%; transform: translateX(-50%);
  width: 22px; height: 28px;
  background: rgba(22,34,64,.9);
  border: 1px solid rgba(63,184,216,.5);
  border-radius: 4px;
  overflow: hidden;
  transition: top .55s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 0 12px rgba(63,184,216,.45);
  z-index: 2;
}
.elev-car::before {
  content: '';
  position: absolute; top: -6px; left: 50%; transform: translateX(-50%);
  width: 2px; height: 6px; background: rgba(63,184,216,.5);
}
.elev-door {
  position: absolute; top: 0; bottom: 0;
  width: 50%;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--blue-mid) 100%);
  transition: transform .38s cubic-bezier(.4,0,.2,1);
}
.elev-door-left  { left: 0;  border-right: 1px solid rgba(22,34,64,.6); transform-origin: left center; }
.elev-door-right { right: 0; border-left:  1px solid rgba(22,34,64,.6); transform-origin: right center; }
.elev-door-left  { transform: translateX(0); }
.elev-door-right { transform: translateX(0); }
.elev-car.doors-open .elev-door-left  { transform: translateX(-100%); }
.elev-car.doors-open .elev-door-right { transform: translateX(100%); }
.elev-car-inner {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.elev-car-inner i {
  color: var(--cyan); font-size: .55rem;
  opacity: 0; transition: opacity .2s .25s;
}
.elev-car.doors-open .elev-car-inner i { opacity: 1; }
@media (max-width: 960px) { #elevator-nav { display: none; } }

/* ── PROCESS ────────────────────────────────── */
#process { background: white; }
.process-steps {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem;
  margin-top: 3rem; position: relative;
}
.process-steps::before {
  content: '';
  position: absolute; top: 35px; left: 12.5%; right: 12.5%; height: 2px;
  background: linear-gradient(to right, var(--cyan), var(--blue-mid));
}
.process-step { text-align: center; position: relative; }
.step-num {
  width: 70px; height: 70px; border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--blue-mid));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.25rem;
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.6rem; font-weight: 700; color: white;
  box-shadow: 0 8px 24px rgba(63,184,216,.4);
  position: relative; z-index: 1;
}
.process-step h4 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.1rem; font-weight: 700; color: var(--navy); margin-bottom: .5rem;
}
.process-step p {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 300;
  font-size: .88rem; color: var(--gray-600); line-height: 1.65;
}

/* ── CTA BAND ────────────────────────────────── */
#cta-band {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--blue-mid) 60%, var(--navy) 100%);
  padding: 5rem 2rem; text-align: center; color: white;
  position: relative; overflow: hidden;
}
#cta-band::before {
  content: '';
  position: absolute; inset: 0;
  background: url('https://images.unsplash.com/photo-1497366216548-37526070297c?w=1920&q=80') center/cover;
  opacity: .12;
}
#cta-band h2 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 700;
  margin-bottom: 1rem; position: relative;
}
#cta-band p {
  font-size: 1.1rem; opacity: .85; max-width: 540px;
  margin: 0 auto 2rem; position: relative; line-height: 1.7;
}
#cta-band .btn-primary {
  background: white; color: var(--navy);
  box-shadow: 0 8px 30px rgba(0,0,0,.25);
  position: relative;
}
#cta-band .btn-primary:hover { background: var(--gray-50); }

/* ── CONTACT ────────────────────────────────── */
#contact { background: var(--gray-50); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 4rem; align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 2rem; }
.contact-card {
  display: flex; gap: 1.25rem; align-items: flex-start;
  background: white; border-radius: var(--radius); padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.contact-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--cyan), var(--blue-mid));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}
.contact-icon i { color: white; font-size: 1.1rem; }
.contact-card h4 { font-weight: 700; color: var(--navy); margin-bottom: .25rem; font-size: .9rem; }
.contact-card p, .contact-card a {
  color: var(--gray-600); font-size: .92rem;
  text-decoration: none; transition: color .2s;
}
.contact-card a:hover { color: var(--cyan); }
.contact-form {
  background: white; border-radius: var(--radius);
  padding: 2.5rem; box-shadow: var(--shadow-md);
}
.contact-form h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.6rem; font-weight: 700; color: var(--navy); margin-bottom: 1.5rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1rem; }
.form-group label { font-size: .82rem; font-weight: 600; color: var(--gray-600); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: .85rem 1rem;
  border: 1.5px solid var(--gray-300);
  border-radius: 10px;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: .95rem; color: var(--gray-800);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(63,184,216,.15);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--cyan), var(--blue-mid));
  color: white; padding: 1rem; border-radius: 10px;
  font-family: 'DM Sans', system-ui, sans-serif; font-size: 1rem; font-weight: 700;
  border: none; cursor: pointer; transition: var(--transition);
  display: flex; align-items: center; justify-content: center; gap: .6rem;
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(63,184,216,.45); }

/* ── MAP ──────────────────────────────────────── */
#map-section { background: white; padding: 0; }
#map-section iframe {
  width: 100%; height: 420px; border: none; display: block;
  filter: brightness(.9) contrast(1.05);
}

/* ── FOOTER ─────────────────────────────────── */
footer {
  background: var(--navy);
  color: rgba(255,255,255,.65);
  padding: 4rem 2rem 2rem;
}
.footer-grid {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand img { height: 42px; margin-bottom: 1.25rem; }
.footer-brand p {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 300;
  font-size: .9rem; line-height: 1.75; max-width: 280px;
}
.footer-social {
  display: flex; gap: .75rem; margin-top: 1.5rem;
}
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.6); font-size: .9rem;
  text-decoration: none; transition: var(--transition);
}
.footer-social a:hover {
  background: var(--cyan); color: var(--navy);
  border-color: var(--cyan); transform: translateY(-2px);
}
.footer-col h4 {
  color: white; font-weight: 700; font-size: .82rem;
  font-family: 'DM Sans', system-ui, sans-serif;
  letter-spacing: .1em; text-transform: uppercase;
  margin-bottom: 1.25rem; position: relative; padding-bottom: .5rem;
}
.footer-col h4::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 24px; height: 2px; background: var(--cyan);
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: .6rem; }
.footer-col ul a {
  color: rgba(255,255,255,.6); text-decoration: none; font-size: .88rem;
  transition: color .2s;
}
.footer-col ul a:hover { color: var(--cyan); }
.footer-contact-item {
  display: flex; gap: .75rem; align-items: flex-start;
  font-size: .85rem; margin-bottom: .75rem;
}
.footer-contact-item i { color: var(--cyan); margin-top: .15rem; flex-shrink: 0; }
.footer-contact-item a {
  color: rgba(255,255,255,.65); text-decoration: none; transition: color .2s;
}
.footer-contact-item a:hover { color: var(--cyan); }
.footer-bottom {
  max-width: 1100px; margin: 1.75rem auto 0;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
  font-size: .8rem;
}
.footer-bottom a { color: var(--cyan); text-decoration: none; }

/* ── ANIMATIONS ─────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left {
  opacity: 0; transform: translateX(-40px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right {
  opacity: 0; transform: translateX(40px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* ── LIGHTBOX ─────────────────────────────── */
.lightbox {
  position: fixed; inset: 0; z-index: 9998;
  background: rgba(0,0,0,.92);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .3s;
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox img {
  max-width: 90vw; max-height: 90vh;
  border-radius: 8px; box-shadow: var(--shadow-lg);
}
.lightbox-close {
  position: absolute; top: 1.5rem; right: 1.5rem;
  color: white; font-size: 2rem; cursor: pointer;
  background: rgba(255,255,255,.1); border: none;
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

/* ── WHATSAPP FLOAT ─────────────────────────── */
.wa-float {
  position: fixed; bottom: 2rem; right: 5rem; z-index: 997;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,.45);
  text-decoration: none;
  animation: pulse 2.5s ease infinite;
  transition: transform .2s;
}
.wa-float:hover { transform: scale(1.1); }
.wa-float i { color: white; font-size: 1.6rem; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 8px 24px rgba(37,211,102,.45); }
  50% { box-shadow: 0 8px 40px rgba(37,211,102,.7); }
}

/* ── RESPONSIVE ──────────────────────────────── */
@media (max-width: 960px) {
  .about-grid, .features-grid, .contact-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .process-steps::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .elevator-shaft { display: none; }
  .features-image { order: -1; }
}
@media (max-width: 640px) {
  section { padding: 4rem 1.25rem; }
  .nav-links { display: none; }
  .hamburger { display: block; }
  .services-grid { grid-template-columns: 1fr; }
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .gallery-item:nth-child(1) { grid-column: span 2; grid-row: span 1; }
  .gallery-item:nth-child(4) { grid-column: span 2; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-title { font-size: 2rem; }
  .wa-float { right: 10px; }
  .case-study-inner { grid-template-columns: 1fr; }
  .case-study-content { padding: 2rem 1.25rem; }
}

/* Mobile nav */
#mobile-nav {
  position: fixed; inset: 0; z-index: 999;
  background: rgba(22,34,64,.97);
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2rem;
  transform: translateX(100%); transition: transform .35s ease;
}
#mobile-nav.open { transform: translateX(0); }
#mobile-nav a {
  color: white; text-decoration: none; font-size: 1.5rem;
  font-family: 'Fraunces', Georgia, serif; font-weight: 600;
  letter-spacing: .06em;
}
.mobile-close {
  position: absolute; top: 1.5rem; right: 1.5rem;
  color: white; font-size: 1.5rem; cursor: pointer;
  background: none; border: none;
}

/* Toast */
.toast {
  position: fixed; bottom: 6rem; right: 2rem; z-index: 9999;
  background: var(--navy); color: white;
  padding: 1rem 1.5rem; border-radius: 12px;
  border-left: 4px solid var(--cyan);
  box-shadow: var(--shadow-md);
  transform: translateX(200%); transition: transform .4s ease;
  display: flex; align-items: center; gap: .75rem; font-size: .9rem;
}
.toast.show { transform: translateX(0); }
.toast i { color: var(--cyan); }