/* ============================================================
   GP Innovation — base
   ============================================================ */
:root {
  --dark: #1a1a1a;
  --dark-soft: #222222;
  --dark-line: rgba(255, 255, 255, 0.08);

  --accent: #ffba00;
  --accent-hover: #e6a800;
  --accent-tint: rgba(255, 186, 0, 0.14);

  --bg: #ffffff;
  --bg-alt: #f5f5f5;
  --text: #222222;
  --text-muted: #777777;
  --border: #d6d6d6;

  --container: 1180px;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 10px 30px rgba(26, 28, 30, 0.08);
  --shadow-lg: 0 20px 50px rgba(26, 28, 30, 0.16);

  --font-head: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --glass-bg: rgba(255, 255, 255, 0.10);
  --glass-bg-strong: rgba(255, 255, 255, 0.18);
  --glass-border: rgba(255, 255, 255, 0.35);
  --glass-blur: blur(20px) saturate(180%);
  --glass-blur-sm: blur(12px) saturate(160%);
}

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

html { scroll-behavior: smooth; }

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.1;
}

section { position: relative; }

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

@media (max-width: 768px) {
  .section-pad { padding: 64px 0; }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dark);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--accent);
}

.section-head {
  max-width: 620px;
  margin-bottom: 56px;
}

.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.section-head h2 {
  font-size: clamp(30px, 4vw, 42px);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 17px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: 24px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1.5px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: linear-gradient(155deg, rgba(255, 199, 51, 0.95), rgba(255, 174, 0, 0.9));
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--dark);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}
.btn-primary:hover {
  background: linear-gradient(155deg, rgba(255, 186, 0, 0.98), rgba(230, 168, 0, 0.94));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.2); }

.btn-dark {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border-color: rgba(26, 26, 26, 0.35);
  color: var(--dark);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}
.btn-dark:hover { background: var(--dark); color: #fff; border-color: var(--dark); box-shadow: none; }

.btn-block { width: 100%; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

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

/* ============================================================
   Placeholder media (stand-in for real photos)
   ============================================================ */
.media-ph {
  position: relative;
  background: linear-gradient(150deg, #2b2b2b, #1a1a1a);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.media-ph::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(255, 255, 255, 0.05) 0px,
    rgba(255, 255, 255, 0.05) 2px,
    transparent 2px,
    transparent 14px
  );
}

.media-ph::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.16) 0%, transparent 40%);
}

.media-ph svg { position: relative; width: 34%; height: 34%; }

.media-ph.light {
  background: linear-gradient(150deg, #f0f0f0, #e0e0e0);
  color: rgba(34, 34, 34, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
}

.media-ph.has-photo { background-size: cover; background-position: center; background-repeat: no-repeat; }
.media-ph.has-photo::before { display: none; }

/* Swap any of these files in assets/img/ to update the photo — no code changes needed */
.model-photo-1 { background-image: url('../img/model-1.jpg'); }
.model-photo-2 { background-image: url('../img/model-2.jpg'); }
.model-photo-3 { background-image: url('../img/model-3.jpg'); }
.model-photo-4 { background-image: url('../img/model-4.jpg'); }

.gallery-photo-1 { background-image: url('../img/gallery-1.jpg'); }
.gallery-photo-2 { background-image: url('../img/gallery-2.jpg'); }
.gallery-photo-3 { background-image: url('../img/gallery-3.jpg'); }
.gallery-photo-4 { background-image: url('../img/gallery-4.jpg'); }
.gallery-photo-5 { background-image: url('../img/gallery-5.jpg'); }
.gallery-photo-6 { background-image: url('../img/gallery-6.jpg'); }

.about-photo { background-image: url('../img/about.jpg'); }

/* ============================================================
   Header / Nav
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #000;
  border-bottom: 1px solid var(--dark-line);
  transition: box-shadow 0.25s ease;
}

.site-header.is-scrolled { box-shadow: 0 8px 24px rgba(0,0,0,0.25); }

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.logo { display: flex; align-items: center; gap: 10px; }

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(155deg, rgba(255, 199, 51, 0.95), rgba(255, 174, 0, 0.92));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
  color: var(--dark);
  border-radius: 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
}

.logo-text {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 21px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
}

.main-nav { display: flex; align-items: center; gap: 40px; }

.nav-links { display: flex; gap: 30px; }
.nav-links-cta { display: none; }

.nav-links a {
  color: rgba(255,255,255,0.78);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}

.nav-links a:hover { color: #fff; }

.nav-cta { display: flex; align-items: center; gap: 18px; }

.nav-cta .btn-primary { padding: 10px 22px; font-size: 13.5px; }

.lang-switch { display: flex; gap: 6px; align-items: center; font-size: 14px; }
.lang-switch a {
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: rgba(255,255,255,0.5);
}
.lang-switch a.active { color: #fff; }
.lang-switch a:not(.active):hover { color: rgba(255,255,255,0.85); }
.lang-switch span { color: rgba(255,255,255,0.3); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}

.nav-toggle span { width: 24px; height: 2px; background: #fff; border-radius: 2px; }

@media (max-width: 980px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta .btn-primary { display: none; }

  .site-header.nav-open .nav-links {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: #000;
    border-bottom: 1px solid var(--dark-line);
    padding: 8px 24px 20px;
  }

  .site-header.nav-open .nav-links a {
    padding: 14px 0;
    border-bottom: 1px solid var(--dark-line);
  }

  .site-header.nav-open .nav-links-cta {
    display: block;
    margin-top: 12px;
  }
  .site-header.nav-open .nav-links-cta a {
    padding: 0;
    border-bottom: none;
  }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  background: var(--dark) url('../img/hero-house.jpg') center/cover no-repeat;
  background-attachment: fixed;
  color: #fff;
  padding: 130px 0 110px;
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
}

.hero .container {
  position: relative;
}

.hero-copy { max-width: 640px; }

.hero h1 {
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.25;
  text-transform: uppercase;
  margin-bottom: 22px;
}

.hero h1 span { color: var(--accent); }

.hero p.lead {
  font-size: 18px;
  color: rgba(255,255,255,0.75);
  max-width: 480px;
  margin-bottom: 34px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 50px; }

.hero-stats { display: flex; gap: 16px; flex-wrap: nowrap; }

.stat-chip {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 14px 22px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 8px 20px rgba(0, 0, 0, 0.2);
}

.stat-chip strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 26px;
  color: #fff;
  white-space: nowrap;
}

.stat-chip span {
  font-size: 12.5px;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 900px) {
  .hero { padding: 46px 0 64px; }
}

@media (max-width: 768px) {
  .hero { background-attachment: scroll; }
}

@media (max-width: 560px) {
  .hero-stats { flex-direction: column; }
  .stat-chip { width: 100%; }
}

/* ============================================================
   Advantages
   ============================================================ */
.advantages { background: var(--bg); }

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

.adv-card {
  padding: 34px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.adv-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
  border-color: transparent;
}

.adv-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(150deg, rgba(255, 186, 0, 0.22), rgba(255, 186, 0, 0.06));
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 186, 0, 0.3);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.7), 0 4px 14px rgba(255, 186, 0, 0.12);
  color: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.adv-icon svg { width: 26px; height: 26px; }

.adv-card h3 { font-size: 20px; text-transform: uppercase; margin-bottom: 10px; }
.adv-card p { color: var(--text-muted); font-size: 15px; }

@media (max-width: 900px) { .adv-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .adv-grid { grid-template-columns: 1fr; } }

/* ============================================================
   Models
   ============================================================ */
.models { background: var(--bg-alt); }

.model-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.model-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.model-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
  background: linear-gradient(165deg, rgba(255, 186, 0, 0.1), rgba(255, 255, 255, 0.85));
}

.model-card:hover .btn {
  background: linear-gradient(155deg, rgba(255, 199, 51, 0.95), rgba(255, 174, 0, 0.9));
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--dark);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.model-card .media-ph { aspect-ratio: 4 / 3; }

.model-body { padding: 24px 22px 28px; display: flex; flex-direction: column; flex: 1; }

.model-body h3 {
  font-size: 22px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.model-specs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.model-specs span {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 20px;
}

.model-body p.desc {
  color: var(--text-muted);
  font-size: 14.5px;
  margin-bottom: 20px;
  flex: 1;
}

.model-price {
  font-family: var(--font-head);
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.model-price strong { display: block; font-size: 24px; color: var(--dark); }

@media (max-width: 1080px) { .model-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .model-grid { grid-template-columns: 1fr; } }

/* ============================================================
   Process
   ============================================================ */
.process { background: var(--dark); color: #fff; }
.process .section-head p { color: rgba(255,255,255,0.6); }
.process .eyebrow { color: var(--accent); }
.process .section-head h2 { color: #fff; }

.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 27px;
  left: 6%;
  right: 6%;
  height: 1px;
  background: var(--dark-line);
}

.step { position: relative; text-align: left; }

.step-num {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border: 1.5px solid rgba(255, 186, 0, 0.55);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 22px;
  position: relative;
  z-index: 1;
}

.step h3 { font-size: 18px; text-transform: uppercase; margin-bottom: 8px; }
.step p { font-size: 14px; color: rgba(255,255,255,0.55); }

@media (max-width: 980px) {
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .timeline::before { display: none; }
}
@media (max-width: 560px) { .timeline { grid-template-columns: 1fr; } }

/* ============================================================
   Gallery
   ============================================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 170px;
  gap: 16px;
}

.gallery-grid .media-ph { border-radius: var(--radius-sm); }
.gallery-grid .media-ph svg { width: 26%; height: 26%; }

.g-wide { grid-column: span 2; }
.g-tall { grid-row: span 2; }

@media (max-width: 900px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 150px; }
  .g-wide { grid-column: span 2; }
}
@media (max-width: 560px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .g-wide, .g-tall { grid-column: span 1; grid-row: span 1; }
}

/* ============================================================
   About / trust
   ============================================================ */
.about .container {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 70px;
  align-items: center;
}

.about-visual { aspect-ratio: 1 / 1; border-radius: var(--radius); }

.about-list { display: grid; gap: 18px; margin-top: 28px; }

.about-list li { display: flex; gap: 14px; align-items: flex-start; font-size: 15.5px; }

.check {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(150deg, rgba(255, 186, 0, 0.22), rgba(255, 186, 0, 0.06));
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 186, 0, 0.3);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.7);
  color: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

.check svg { width: 13px; height: 13px; }

@media (max-width: 900px) {
  .about .container { grid-template-columns: 1fr; }
  .about-visual { order: -1; aspect-ratio: 16/9; }
}

/* ============================================================
   Contact
   ============================================================ */
.contact { background: var(--bg-alt); }

.contact .container {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
}

.contact-info h2 { font-size: clamp(28px, 3.6vw, 36px); text-transform: uppercase; margin-bottom: 16px; }
.contact-info > p { color: var(--text-muted); margin-bottom: 32px; }

.info-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 0;
  border-top: 1px solid var(--border);
}
.info-row:last-of-type { border-bottom: 1px solid var(--border); }

.info-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8), 0 4px 14px rgba(0, 0, 0, 0.06);
  color: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.info-icon svg { width: 18px; height: 18px; }

.info-row strong { display: block; font-size: 15px; margin-bottom: 2px; }
.info-row span, .info-row a { color: var(--text-muted); font-size: 14.5px; }
.info-row a:hover { color: var(--dark); }

.social-row { display: flex; gap: 12px; margin-top: 26px; }
.social-row a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  transition: all 0.2s ease;
}
.social-row a:hover { background: var(--dark); color: #fff; border-color: var(--dark); }
.social-row svg { width: 17px; height: 17px; }

.contact-form {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8), var(--shadow);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 7px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}

.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
  background: #fff;
  transition: border-color 0.2s ease;
}

.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.field textarea { resize: vertical; min-height: 110px; }

.form-note { font-size: 12.5px; color: var(--text-muted); margin-top: 14px; text-align: center; }

.form-success {
  display: none;
  align-items: center;
  gap: 12px;
  background: #eef7ee;
  border: 1px solid #cfe8cf;
  color: #2f6b2f;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  margin-top: 18px;
}
.form-success.show { display: flex; }
.form-success svg { width: 20px; height: 20px; flex-shrink: 0; }

.form-error {
  display: none;
  align-items: center;
  gap: 12px;
  background: #fdeceb;
  border: 1px solid #f3c6c2;
  color: #a33227;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  margin-top: 18px;
}
.form-error.show { display: flex; }
.form-error svg { width: 20px; height: 20px; flex-shrink: 0; }

@media (max-width: 900px) {
  .contact .container { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 28px 22px; }
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: var(--dark); color: rgba(255,255,255,0.6); padding-top: 70px; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 0.9fr 1.1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--dark-line);
}

.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14.5px; max-width: 300px; margin-bottom: 20px; }

.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.footer-social a:hover { background: var(--accent); border-color: var(--accent); color: var(--dark); }
.footer-social svg { width: 16px; height: 16px; }

.footer-col h4 {
  font-family: var(--font-head);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #fff;
  margin-bottom: 18px;
}

.footer-col ul { display: grid; gap: 12px; font-size: 14.5px; }
.footer-col a:hover { color: #fff; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 26px 0;
  font-size: 13px;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-bottom a:hover { color: #fff; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Mobile: center text instead of left-align
   ============================================================ */
@media (max-width: 768px) {
  .hero-copy { text-align: center; }
  .hero-actions { justify-content: center; }
  .stat-chip { text-align: center; }

  .adv-card { text-align: center; }
  .adv-icon { margin-left: auto; margin-right: auto; }

  .model-body { text-align: center; }
  .model-specs { justify-content: center; }

  .step { text-align: center; }
  .step-num { margin-left: auto; margin-right: auto; }

  .about-copy { text-align: center; }
  .about-list li { justify-content: center; }

  .contact-info { text-align: center; }
  .info-row { justify-content: center; }
  .social-row { justify-content: center; }

  .footer-brand { text-align: center; }
  .footer-brand p { margin-left: auto; margin-right: auto; }
  .footer-social { justify-content: center; }
  .footer-col { text-align: center; }
}