/* ============================================================
   Euro Vapour — Single Page Static Site
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:       #1a2536;
  --navy-deep:  #111b29;
  --accent:     #f89818;
  --accent-dk:  #d97d00;
  --light-bg:   #faf7f2;
  --mid-bg:     #f5ede0;
  --white:      #ffffff;
  --text:       #2c3e50;
  --text-muted: #607080;
  --border:     #e8ddd0;
  --font:       'Montserrat', Arial, sans-serif;
  --radius:     8px;
  --shadow:     0 4px 24px rgba(26,37,54,.10);
  --shadow-lg:  0 12px 48px rgba(26,37,54,.16);
  --header-h:   70px;
  --transition: 0.28s ease;
}

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

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
address { font-style: normal; }

h1,h2,h3,h4,h5,h6 { font-family: var(--font); line-height: 1.2; }

/* ---------- Utilities ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.section { padding: 100px 0; }
.section-dark  { background: var(--navy); color: var(--white); }
.section-alt   { background: var(--light-bg); }

.section-header { text-align: center; margin-bottom: 64px; }
.section-header-light { text-align: center; margin-bottom: 64px; }

.section-eyebrow {
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-eyebrow-light {
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 18px;
}
.section-header-light h2 {
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 18px;
}

.section-lead { font-size: 1.1rem; color: var(--text-muted); max-width: 640px; margin: 0 auto; }
.section-lead-light { font-size: 1.1rem; color: rgba(255,255,255,.7); max-width: 640px; margin: 0 auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .02em;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dk);
  border-color: var(--accent-dk);
  box-shadow: 0 6px 20px rgba(248,152,24,.4);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,.12);
  border-color: var(--white);
}

.btn-outline-dark {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline-dark:hover {
  background: var(--accent);
  color: var(--white);
}

.btn-full { width: 100%; }

/* ---------- AOS (Animate on Scroll) ---------- */
[data-aos] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .55s ease, transform .55s ease;
}
[data-aos].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- HEADER ---------- */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(17,27,41,.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.05);
  transition: height var(--transition), background var(--transition),
              box-shadow var(--transition);
}
#site-header.scrolled {
  height: 58px;
  background: rgba(17,27,41,.97);
  box-shadow: 0 2px 16px rgba(0,0,0,.28);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link { display: flex; align-items: center; }
.logo {
  height: 36px;
  width: auto;
  transition: height var(--transition);
}
#site-header.scrolled .logo { height: 28px; }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  color: rgba(255,255,255,.7);
  font-size: .88rem;
  font-weight: 500;
  letter-spacing: .01em;
  padding: 7px 12px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}
.main-nav a:hover { color: var(--white); background: rgba(255,255,255,.07); }
.main-nav a.active { color: var(--accent); }

.nav-cta {
  background: var(--accent) !important;
  color: var(--white) !important;
  padding: 7px 18px !important;
  border-radius: var(--radius) !important;
  font-weight: 600 !important;
  margin-left: 6px;
}
.nav-cta:hover {
  background: var(--accent-dk) !important;
  box-shadow: 0 4px 14px rgba(248,152,24,.4);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--navy-deep);
  overflow: hidden;
}

/* Hero video background */
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    160deg,
    rgba(10,18,30,.72) 0%,
    rgba(10,18,30,.55) 60%,
    rgba(10,18,30,.65) 100%
  );
}

.hero-inner {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 60px) 32px 60px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-content { max-width: 700px; }

.hero-eyebrow {
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900;
  color: var(--white);
  letter-spacing: -.01em;
  line-height: 1.08;
  margin-bottom: 28px;
  text-transform: uppercase;
}

.hero-brand {
  color: var(--accent);
  display: block;
}

.hero-lead {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: rgba(255,255,255,.72);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 580px;
}

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

/* Stats bar */
.stats-bar {
  position: relative;
  z-index: 2;
  background: rgba(10,14,20,.75);
  border-top: 2px solid var(--accent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.stats-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat {
  padding: 36px 20px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.1);
  position: relative;
}
.stat:last-child { border-right: none; }
.stat-num {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -.02em;
  line-height: 1;
}
.stat-suffix {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  margin-top: 8px;
}

/* ---------- BRANDS ---------- */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.brand-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--border);
}
.brand-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.brand-img-wrap {
  width: 100%;
  aspect-ratio: 16/7;
  overflow: hidden;
  background: var(--navy);
}
.brand-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.brand-card:hover .brand-img-wrap img { transform: scale(1.04); }

.brand-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.brand-body h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 10px;
}
.brand-body p {
  font-size: .97rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 22px;
}

/* ---------- TOP SELLERS ---------- */
.products-track-wrap {
  overflow: hidden;
  position: relative;
}

.products-track {
  display: flex;
  gap: 24px;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  transition: transform .35s ease;
}
.products-track:active { cursor: grabbing; }

.product-card {
  flex: 0 0 calc(20% - 20px);
  min-width: 180px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px;
  padding: 24px 16px 20px;
  text-align: center;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.product-card:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--accent);
  transform: translateY(-3px);
}

.product-img-wrap {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  overflow: hidden;
}
.product-img-wrap img {
  max-height: 140px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  transition: transform .3s ease;
}
.product-card:hover .product-img-wrap img { transform: scale(1.06); }

.product-card h4 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}
.product-card p {
  font-size: .82rem;
  color: rgba(255,255,255,.5);
  font-weight: 500;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}
.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.25);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.carousel-dot.active {
  background: var(--accent);
  transform: scale(1.3);
}

/* ---------- SERVICES ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--white);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.service-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.service-card:hover .service-img-wrap img { transform: scale(1.05); }
.service-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(17,27,41,.5));
}

.service-body {
  padding: 28px;
}
.service-icon {
  width: 44px;
  height: 44px;
  background: rgba(248,152,24,.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent);
}
.service-icon svg { width: 22px; height: 22px; }
.service-body h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 10px;
}
.service-body p { font-size: .97rem; color: var(--text-muted); line-height: 1.65; }

/* ---------- ABOUT ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-content .section-eyebrow { text-align: left; }
.about-content h2 {
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 24px;
}
.about-content p {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  line-height: 1.72;
}
.about-thanks {
  font-style: italic;
  color: var(--navy) !important;
  font-weight: 600;
  border-left: 3px solid var(--accent);
  padding-left: 16px;
  margin-bottom: 32px !important;
}

/* Timeline */
.about-timeline { padding-top: 8px; }
.about-timeline h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 32px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.timeline { position: relative; padding-left: 24px; }
.timeline::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

.timeline-item {
  display: flex;
  gap: 20px;
  padding-bottom: 32px;
  position: relative;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--light-bg);
}
.timeline-year {
  font-size: .85rem;
  font-weight: 800;
  color: var(--accent);
  min-width: 38px;
  padding-top: 2px;
  letter-spacing: .04em;
}
.timeline-body strong {
  display: block;
  font-size: .97rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}
.timeline-body p { font-size: .92rem; color: var(--text-muted); line-height: 1.55; margin: 0; }

/* ---------- CERTIFICATIONS ---------- */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.cert-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px;
  padding: 36px 24px 28px;
  text-align: center;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.cert-card:hover {
  background: rgba(248,152,24,.08);
  border-color: rgba(248,152,24,.5);
  transform: translateY(-4px);
}
.cert-img-wrap {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.cert-img-wrap img {
  max-height: 64px;
  max-width: 110px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: .85;
  transition: opacity var(--transition);
}
.cert-card:hover .cert-img-wrap img { opacity: 1; }
.cert-card h4 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 8px;
}
.cert-card p { font-size: .88rem; color: rgba(255,255,255,.55); line-height: 1.5; }

/* ---------- FAQ ---------- */
.faq-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.faq-group-title {
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.faq-group-title + .faq-accordion { margin-bottom: 40px; }

.faq-accordion { border-top: 1px solid var(--border); }

.faq-item { border-bottom: 1px solid var(--border); }

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 18px 0;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color var(--transition);
}
.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform var(--transition);
  line-height: 1;
}
.faq-item.open .faq-question { color: var(--accent); }
.faq-item.open .faq-question::after { transform: rotate(45deg); }

.faq-answer {
  display: none;
  padding: 0 0 18px;
}
.faq-item.open .faq-answer { display: block; }
.faq-answer p {
  font-size: .97rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.faq-answer a { color: var(--accent); text-decoration: underline; }

/* ---------- CONTACT ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.contact-info .section-eyebrow { text-align: left; }
.contact-info h2 {
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 20px;
}
.contact-info > p {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}
.contact-details { margin-bottom: 36px; }

.contact-detail {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}
.contact-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(248,152,24,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}
.contact-icon svg { width: 20px; height: 20px; }
.contact-detail strong { display: block; font-size: .88rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.contact-detail p { font-size: .97rem; color: var(--text-muted); margin: 0; }
.contact-detail a { color: var(--accent); }
.contact-detail a:hover { text-decoration: underline; }

.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: background var(--transition), transform var(--transition);
}
.social-links a:hover { background: var(--accent); transform: translateY(-2px); }
.social-links svg { width: 18px; height: 18px; }

/* Form */
.contact-form-wrap {
  background: var(--white);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.form-row { display: flex; gap: 20px; }
.form-row-half > * { flex: 1 1 0; }

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: .9rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.form-group label span { color: var(--accent); }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: .97rem;
  color: var(--text);
  background: #fafcfe;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(248,152,24,.15);
}
.form-group textarea { resize: vertical; }

.form-note {
  margin-top: 12px;
  font-size: .82rem;
  color: var(--text-muted);
  text-align: center;
}

/* Success message */
.form-success {
  display: none;
  text-align: center;
  padding: 32px;
  color: #1a7a3c;
  background: #e8f8ee;
  border-radius: var(--radius);
  border: 1px solid #a8dfb8;
  font-weight: 600;
  font-size: 1rem;
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255,255,255,.75);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 32px 40px;
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: 40px;
}

.footer-brand .footer-logo {
  height: 36px;
  width: auto;
  margin-bottom: 20px;
}
.footer-brand p {
  font-size: .9rem;
  line-height: 1.6;
  margin-bottom: 16px;
  max-width: 260px;
}
.footer-brand address {
  font-size: .87rem;
  line-height: 1.7;
  color: rgba(255,255,255,.5);
}

.footer-col h4 {
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.footer-col ul li {
  font-size: .9rem;
  margin-bottom: 10px;
  color: rgba(255,255,255,.55);
}
.footer-col ul a {
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--white); }

.footer-socials {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer-socials a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.55);
  font-size: .9rem;
  transition: color var(--transition);
}
.footer-socials a:hover { color: var(--accent); }
.footer-socials svg { width: 18px; height: 18px; flex-shrink: 0; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 20px 32px;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .85rem;
  color: rgba(255,255,255,.35);
}
.footer-legal { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-legal a {
  color: rgba(255,255,255,.35);
  transition: color var(--transition);
}
.footer-legal a:hover { color: rgba(255,255,255,.7); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1100px) {
  .footer-inner { grid-template-columns: 1fr 1fr 1fr; }
  .footer-social-col { grid-column: span 1; }
  .footer-brand { grid-column: span 3; }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  :root { --header-h: 70px; }

  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--navy-deep);
    border-bottom: 1px solid rgba(255,255,255,.07);
    padding: 24px 32px 32px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform .3s ease, opacity .3s ease;
    z-index: 999;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { padding: 12px 16px; border-radius: var(--radius); font-size: 1rem; }
  .nav-cta { display: block; text-align: center; margin-left: 0 !important; margin-top: 8px; }

  .brands-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .faq-columns { grid-template-columns: 1fr; gap: 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: none; border-bottom: 1px solid rgba(255,255,255,.07); }
  .stat:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.07); }
}

@media (max-width: 700px) {
  .container { padding: 0 20px; }
  .section { padding: 72px 0; }

  .hero-inner { padding-left: 20px; padding-right: 20px; }
  .stats-bar .stats-inner { padding: 0 20px; }

  .brands-grid { gap: 20px; }
  .services-grid { gap: 20px; }
  .certs-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

  .product-card { flex: 0 0 calc(50% - 12px); }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    padding: 48px 20px 32px;
  }
  .footer-brand { grid-column: span 2; }
  .footer-social-col { grid-column: span 2; }
  .footer-bottom { padding: 20px; flex-direction: column; align-items: flex-start; }
  .footer-legal { gap: 16px; }

  .contact-form-wrap { padding: 28px 20px; }
  .form-row { flex-direction: column; gap: 0; }

  .header-inner { padding: 0 20px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: 1fr 1fr; }
  .product-card { flex: 0 0 calc(80% - 12px); }
}