/* ============================================================
   Antai Zirconium — Main Stylesheet
   Target: B2B overseas buyers, SEO-optimized static site
   ============================================================ */

/* ---------- CSS Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  color: #1a2332;
  background: #fff;
  line-height: 1.65;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- CSS Variables ---------- */
:root {
  --navy:   #0d2545;
  --blue:   #1a5fc8;
  --sky:    #e8f2ff;
  --gold:   #c8960a;
  --light:  #f5f8fc;
  --border: #dde4ef;
  --text:   #1a2332;
  --muted:  #6b7a94;
  --white:  #ffffff;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(13,37,69,.10);
  --shadow-lg: 0 12px 40px rgba(13,37,69,.16);
  --transition: .25s ease;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
}
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p { color: #3a4a60; }
.section-label {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--sky);
  padding: .28em .9em;
  border-radius: 50px;
  margin-bottom: 1rem;
}
.section-title { margin-bottom: .6rem; }
.section-sub { color: var(--muted); font-size: 1.05rem; max-width: 580px; }

/* ---------- Layout ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section-alt { background: var(--light); }
.section-dark { background: var(--navy); color: var(--white); }
.section-dark h2, .section-dark h3, .section-dark .section-label { color: var(--white); }
.section-dark .section-label { background: rgba(255,255,255,.12); }
.section-dark p, .section-dark .section-sub { color: rgba(255,255,255,.78); }
.section-header { margin-bottom: 52px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.four-col { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---------- Navigation ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo img { height: 44px; width: auto; object-fit: contain; }
.nav-logo span { font-weight: 700; font-size: 1.1rem; color: var(--navy); }
.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-links a {
  padding: .5rem 1rem;
  border-radius: 6px;
  font-size: .95rem;
  font-weight: 500;
  color: var(--text);
  transition: background var(--transition), color var(--transition);
}
.nav-links a:hover, .nav-links a.active { background: var(--sky); color: var(--blue); }
.nav-cta {
  background: var(--blue) !important;
  color: var(--white) !important;
  padding: .5rem 1.2rem !important;
  border-radius: 6px !important;
  font-weight: 600 !important;
  margin-left: 8px;
  transition: opacity var(--transition) !important;
}
.nav-cta:hover { opacity: .88 !important; background: var(--blue) !important; }
.nav-hamburger { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--navy); margin: 5px 0; border-radius: 2px;
  transition: var(--transition);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: .75rem 1.8rem;
  border-radius: 8px; font-weight: 600; font-size: 1rem;
  cursor: pointer; transition: var(--transition); border: none;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #1450a8; }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.7); }
.btn-outline:hover { background: rgba(255,255,255,.12); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: #0a1b38; }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: #a87808; }

/* ---------- Hero ---------- */
.hero {
  min-height: 92vh;
  background: linear-gradient(135deg, #0a1b38 0%, #0d2545 50%, #1a3a6e 100%);
  display: flex; align-items: center;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url('../images/factory-aerial.jpg') center/cover no-repeat;
  opacity: .18;
}
.hero-inner {
  position: relative; z-index: 2;
  max-width: 1200px; margin: 0 auto; padding: 80px 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(200,150,10,.2); border: 1px solid rgba(200,150,10,.45);
  color: #f0c53a; font-size: .82rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  padding: .35em 1em; border-radius: 50px; margin-bottom: 1.4rem;
}
.hero h1 { color: #fff; margin-bottom: 1.2rem; }
.hero h1 span { color: #f0c53a; }
.hero-sub { color: rgba(255,255,255,.80); font-size: 1.1rem; margin-bottom: 2rem; max-width: 500px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 2.8rem; }
.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; }
.hero-stat { text-align: left; }
.hero-stat .num { font-size: 1.9rem; font-weight: 800; color: #f0c53a; line-height: 1; }
.hero-stat .label { font-size: .82rem; color: rgba(255,255,255,.65); margin-top: 3px; }
.hero-img-block { position: relative; }
.hero-img-main {
  border-radius: 16px; overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,.4);
  border: 3px solid rgba(255,255,255,.12);
}
.hero-img-main img { width: 100%; height: 420px; object-fit: cover; }
.hero-badge-float {
  position: absolute; bottom: -18px; left: -18px;
  background: var(--white); border-radius: 12px; padding: 14px 20px;
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 12px;
}
.hero-badge-float .icon { font-size: 1.8rem; }
.hero-badge-float strong { display: block; font-size: .88rem; color: var(--navy); }
.hero-badge-float span { font-size: .78rem; color: var(--muted); }

/* ---------- Trust Bar ---------- */
.trust-bar {
  background: var(--navy);
  padding: 18px 0;
  border-bottom: 3px solid var(--gold);
}
.trust-bar-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; justify-content: space-around; align-items: center; flex-wrap: wrap; gap: 16px;
}
.trust-item {
  display: flex; align-items: center; gap: 10px;
  color: rgba(255,255,255,.88); font-size: .9rem; font-weight: 500;
}
.trust-item .icon { font-size: 1.2rem; color: var(--gold); }

/* ---------- Features / Advantages ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-card {
  background: var(--white);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 32px 28px;
  transition: all .3s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
}
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-left-width: 5px;
}
.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: .75rem;
  color: var(--navy);
  font-weight: 700;
}
.feature-card p {
  font-size: .92rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ---------- Product Cards ---------- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; }
.product-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: var(--transition);
  display: flex; flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.product-card-badge {
  position: absolute; top: 14px; right: 14px;
  background: var(--gold); color: #fff;
  font-size: .72rem; font-weight: 700; text-transform: uppercase;
  padding: .25em .8em; border-radius: 50px;
}
.product-img-wrap { position: relative; height: 200px; overflow: hidden; background: var(--light); }
.product-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .product-img-wrap img { transform: scale(1.06); }
.product-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.product-grade { font-size: .8rem; font-weight: 700; color: var(--blue); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 6px; }
.product-card h3 { margin-bottom: 12px; }
.product-specs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.spec-tag {
  background: var(--sky); color: var(--blue);
  font-size: .78rem; font-weight: 600;
  padding: .2em .7em; border-radius: 50px;
}
.product-card p { font-size: .9rem; color: var(--muted); flex: 1; margin-bottom: 20px; }
.product-card .btn { align-self: flex-start; font-size: .88rem; padding: .55rem 1.2rem; }

/* ---------- Image Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  gap: 12px;
}
.gallery-item {
  overflow: hidden; border-radius: 10px;
  position: relative; cursor: pointer;
  background: var(--navy);
}
.gallery-item img {
  width: 100%; height: 240px; object-fit: cover;
  transition: transform .4s ease, opacity .3s ease;
}
.gallery-item:hover img { transform: scale(1.07); opacity: .88; }
.gallery-item.tall img { height: 492px; }
.gallery-item.wide { grid-column: span 2; }
.gallery-item.wide img { height: 240px; }
.gallery-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,.7));
  color: #fff; padding: 24px 16px 14px;
  font-size: .85rem; font-weight: 600;
  opacity: 0; transition: opacity .3s ease;
}
.gallery-item:hover .gallery-caption { opacity: 1; }

/* ---------- Video Section ---------- */
.video-section { padding: 88px 0; background: var(--navy); }
.video-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 48px; }
.video-card {
  border-radius: 16px; overflow: hidden; position: relative;
  background: #0a1b38;
  border: 1px solid rgba(255,255,255,.1);
  transition: var(--transition);
}
.video-card:hover { border-color: rgba(200,150,10,.5); box-shadow: 0 16px 48px rgba(0,0,0,.4); }
.video-placeholder {
  height: 300px; background: linear-gradient(135deg, #0d2545, #1a3a6e);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 16px;
  cursor: pointer; transition: background var(--transition);
  position: relative; overflow: hidden;
}
.video-placeholder:hover { background: linear-gradient(135deg, #1a3a6e, #0d2545); }
.video-placeholder-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: .22;
}
.video-play-btn {
  width: 72px; height: 72px; border-radius: 50%;
  background: rgba(200,150,10,.9);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; color: #fff;
  box-shadow: 0 8px 32px rgba(200,150,10,.4);
  transition: transform .3s ease, box-shadow .3s ease;
  position: relative; z-index: 2;
}
.video-placeholder:hover .video-play-btn {
  transform: scale(1.1);
  box-shadow: 0 12px 40px rgba(200,150,10,.6);
}
.video-card-body { padding: 24px 28px; }
.video-card-body h3 { color: var(--white); margin-bottom: 8px; }
.video-card-body p { color: rgba(255,255,255,.65); font-size: .92rem; }
.video-upload-note {
  display: flex; align-items: center; gap: 10px;
  margin-top: 12px;
  background: rgba(200,150,10,.15); border: 1px solid rgba(200,150,10,.3);
  color: rgba(255,255,255,.75); font-size: .82rem;
  padding: .6em 1em; border-radius: 8px;
}
.video-upload-note .icon { font-size: 1rem; }

/* ---------- Applications ---------- */
.app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.app-card {
  border-radius: var(--radius); overflow: hidden;
  position: relative; min-height: 260px;
  display: flex; align-items: flex-end;
  background: var(--navy);
}
.app-card-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transition: transform .4s ease;
}
.app-card:hover .app-card-bg { transform: scale(1.05); }
.app-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(13,37,69,.85) 100%);
}
.app-card-body {
  position: relative; z-index: 2;
  padding: 24px; color: #fff;
}
.app-card-body h3 { color: #fff; margin-bottom: 6px; }
.app-card-body p { font-size: .88rem; color: rgba(255,255,255,.78); }

/* ---------- Clients ---------- */
.clients-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.client-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  transition: var(--transition);
}
.client-card:hover { box-shadow: var(--shadow); border-color: var(--blue); }
.client-flag { font-size: 1.8rem; margin-bottom: 10px; }
.client-card h4 { font-size: 1rem; margin-bottom: 4px; }
.client-card p { font-size: .85rem; color: var(--muted); }
.client-tag {
  display: inline-block; margin-top: 10px;
  background: var(--sky); color: var(--blue);
  font-size: .75rem; font-weight: 700; padding: .2em .7em; border-radius: 50px;
}

/* ---------- Spec Table ---------- */
.spec-table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th {
  background: var(--navy); color: var(--white);
  padding: 14px 18px; text-align: left; font-size: .88rem;
  white-space: nowrap;
}
.spec-table td {
  padding: 12px 18px; border-bottom: 1px solid var(--border);
  font-size: .9rem; white-space: nowrap;
}
.spec-table tr:last-child td { border-bottom: none; }
.spec-table tr:nth-child(even) td { background: var(--light); }
.spec-table td:first-child { font-weight: 600; color: var(--navy); }
.spec-good { color: #16a34a; font-weight: 700; }
.spec-table .grade-tag {
  background: var(--sky); color: var(--blue); font-size: .78rem;
  font-weight: 700; padding: .2em .6em; border-radius: 50px;
}

/* ---------- Process Steps ---------- */
.process-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
.process-steps::before {
  content: '';
  position: absolute; top: 36px; left: 10%; right: 10%;
  height: 2px; background: var(--border); z-index: 0;
}
.process-step { text-align: center; position: relative; z-index: 1; }
.step-num {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--white); border: 3px solid var(--blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin: 0 auto 16px;
  box-shadow: 0 0 0 6px rgba(26,95,200,.1);
}
.process-step h4 { font-size: .95rem; margin-bottom: 6px; }
.process-step p { font-size: .82rem; color: var(--muted); }

/* ---------- Lab / About Gallery ---------- */
.lab-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.lab-item { border-radius: 10px; overflow: hidden; position: relative; }
.lab-item img { width: 100%; height: 220px; object-fit: cover; transition: transform .4s ease; }
.lab-item:hover img { transform: scale(1.05); }
.lab-item.span2 { grid-column: span 2; }
.lab-item.span2 img { height: 220px; }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: ''; position: absolute; left: 10px; top: 8px; bottom: 8px;
  width: 2px; background: var(--border);
}
.timeline-item { position: relative; padding: 0 0 32px 28px; }
.timeline-dot {
  position: absolute; left: -30px; top: 6px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--blue); border: 3px solid var(--white);
  box-shadow: 0 0 0 3px var(--blue);
}
.timeline-year { font-size: .8rem; font-weight: 700; color: var(--blue); text-transform: uppercase; margin-bottom: 4px; }
.timeline-item h4 { margin-bottom: 4px; }
.timeline-item p { font-size: .9rem; color: var(--muted); }

/* ---------- Contact Form ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: span 2; }
.form-group label { font-size: .88rem; font-weight: 600; color: var(--navy); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: .7rem 1rem; border: 1px solid var(--border);
  border-radius: 8px; font-size: .95rem; font-family: inherit;
  background: var(--white); color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,95,200,.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ---------- Footer ---------- */
.footer { background: #07111f; color: rgba(255,255,255,.75); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand { }
.footer-brand img { height: 42px; width: auto; margin-bottom: 16px; filter: brightness(0) invert(1); opacity: .85; }
.footer-brand p { font-size: .9rem; line-height: 1.7; max-width: 280px; }
.footer-col h4 { color: var(--white); font-size: .95rem; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: .88rem; opacity: .75; transition: opacity var(--transition); }
.footer-col ul li a:hover { opacity: 1; color: var(--white); }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: .88rem; }
.footer-contact-item .icon { font-size: 1rem; color: var(--gold); flex-shrink: 0; margin-top: 2px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: .82rem; opacity: .6; flex-wrap: wrap; gap: 12px;
}

/* ---------- CTA Strip ---------- */
.cta-strip {
  background: linear-gradient(135deg, var(--blue), var(--navy));
  padding: 64px 0; text-align: center;
}
.cta-strip h2 { color: var(--white); margin-bottom: .75rem; }
.cta-strip p { color: rgba(255,255,255,.78); font-size: 1.05rem; margin-bottom: 2rem; }
.cta-strip .btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ---------- Country Badges ---------- */
.country-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.country-badge {
  display: flex; align-items: center; gap: 8px;
  background: var(--white); border: 1px solid var(--border);
  padding: .45em 1.1em; border-radius: 50px;
  font-size: .88rem; font-weight: 500;
  transition: var(--transition);
}
.country-badge:hover { background: var(--sky); border-color: var(--blue); }
.country-badge .flag { font-size: 1.1rem; }

/* ---------- Stats Strip ---------- */
.stats-strip { background: var(--navy); padding: 56px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-item .big { font-size: 2.8rem; font-weight: 800; color: var(--gold); line-height: 1; }
.stat-item .unit { font-size: 1rem; font-weight: 600; color: var(--gold); }
.stat-item .desc { font-size: .88rem; color: rgba(255,255,255,.65); margin-top: 8px; }

/* ---------- Scroll to Top ---------- */
.scroll-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 200;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--blue); color: #fff;
  border: none; cursor: pointer; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow);
  opacity: 0; pointer-events: none;
  transition: opacity .3s ease, transform .3s ease;
}
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover { transform: translateY(-3px); }

/* ---------- Lightbox ---------- */
.lightbox-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,.92);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .3s ease;
}
.lightbox-overlay.open { opacity: 1; pointer-events: auto; }
.lightbox-inner { position: relative; max-width: 90vw; max-height: 90vh; }
.lightbox-inner img { max-width: 90vw; max-height: 85vh; object-fit: contain; border-radius: 8px; }
.lightbox-close {
  position: absolute; top: -44px; right: 0;
  background: none; border: none; color: #fff; font-size: 1.8rem; cursor: pointer;
}
.lightbox-caption { color: rgba(255,255,255,.75); text-align: center; margin-top: 12px; font-size: .88rem; }

/* ---------- Mobile ---------- */
@media (max-width: 1024px) {
  .four-col { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .process-steps { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .process-steps::before { display: none; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .two-col, .three-col, .four-col,
  .feature-grid, .app-grid, .gallery-grid,
  .video-grid, .lab-grid, .clients-grid { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-img-block { display: none; }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: block; }
  .nav-links.open { 
    display: flex; flex-direction: column; 
    position: absolute; top: 70px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    padding: 12px 24px; gap: 4px; box-shadow: var(--shadow);
  }
  .product-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: span 1; }
  .footer-grid { grid-template-columns: 1fr; }
  .trust-bar-inner { flex-direction: column; gap: 12px; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .gallery-item.wide { grid-column: span 1; }
  .gallery-item.tall img, .gallery-item img { height: 200px; }
}
@media (max-width: 480px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
  .hero { min-height: auto; }
  .hero-inner { padding: 60px 20px; }
  .hero-stats { gap: 20px; }
  .hero-stat .num { font-size: 1.5rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: 1fr; }
}