/* ============================================================
   EMAX TÜRKİYE — Industrial Showcase Stylesheet
   ============================================================ */

:root {
  --bg: #0a0a0c;
  --bg-2: #111114;
  --bg-3: #17171b;
  --surface: #1c1c22;
  --line: #2a2a32;
  --text: #e8e8ec;
  --muted: #9a9aa3;
  --dim: #6a6a73;
  --accent: #d72638;          /* EMAX red */
  --accent-2: #ff3a4d;
  --accent-soft: rgba(215, 38, 56, 0.12);
  --warning: #f5b800;         /* warning-label yellow */
  --steel: #c9ccd1;
  --steel-dark: #8a8d94;

  --radius: 8px;
  --radius-lg: 14px;
  --shadow: 0 10px 40px rgba(0,0,0,0.4);
  --shadow-card: 0 20px 60px rgba(0,0,0,0.35);

  --container: 1240px;
  --header-h: 76px;

  --font-display: 'Barlow Condensed', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s ease; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font: inherit; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
h1 { font-size: clamp(2.6rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.5rem); }
h3 { font-size: 1.5rem; letter-spacing: 0; }
h4 { font-size: 1.1rem; letter-spacing: 0.02em; }
h5 { font-size: 0.95rem; letter-spacing: 0.05em; }

.accent { color: var(--accent); }
.kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
  padding-left: 28px;
  position: relative;
}
.kicker::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 18px; height: 2px;
  background: var(--accent);
  transform: translateY(-50%);
}
.kicker.light { color: var(--warning); }
.kicker.light::before { background: var(--warning); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel);
  padding: 8px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.03);
  margin-bottom: 30px;
}
.eyebrow .dash { color: var(--accent); margin: 0 4px; font-weight: 700; }
.flag {
  display: inline-block;
  width: 22px; height: 14px;
  border-radius: 2px;
  border: 1px solid rgba(255,255,255,0.2);
}
.flag.tr {
  background: #e30a17 url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 20'><circle cx='12' cy='10' r='4.5' fill='white'/><circle cx='13.5' cy='10' r='3.6' fill='%23e30a17'/><polygon points='17,7 16,10 19,8 16,8 19,12' fill='white'/></svg>") center/cover;
}
.flag.pk {
  background: linear-gradient(to right, white 0 25%, #01411c 25% 100%);
  position: relative;
}
.flag.pk::after {
  content: "";
  position: absolute;
  right: 22%; top: 50%;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: white;
  transform: translateY(-50%);
  box-shadow: -3px -1px 0 0 #01411c;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all .25s ease;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 8px 25px rgba(215, 38, 56, 0.35);
}
.btn-primary:hover {
  background: var(--accent-2);
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(215, 38, 56, 0.5);
}
.btn-ghost {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255,255,255,0.02);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-block { width: 100%; }

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 10, 12, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: all .3s ease;
}
.site-header.scrolled {
  background: rgba(10, 10, 12, 0.92);
  border-bottom-color: var(--line);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* logo */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.logo-mark {
  width: 42px; height: 42px;
  background: var(--accent);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: white;
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}
.logo-mark .logo-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 5px;
  background: var(--warning);
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo-text strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.05em;
}
.logo-text em {
  font-style: normal;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--muted);
  margin-top: 2px;
}

/* nav */
.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav a {
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--steel);
  position: relative;
}
.nav a:hover { color: var(--text); }
.nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width .25s ease;
}
.nav a:not(.nav-cta):hover::after { width: 100%; }
.nav .nav-cta {
  padding: 10px 22px;
  background: var(--accent);
  color: white;
  border-radius: var(--radius);
  font-weight: 600;
}
.nav .nav-cta:hover {
  background: var(--accent-2);
  color: white;
}

.hamburger {
  display: none;
  width: 32px; height: 32px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.hamburger span {
  width: 24px; height: 2px;
  background: var(--text);
  transition: transform .25s ease, opacity .25s ease;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 60px;
  overflow: hidden;
  background: var(--bg);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(215, 38, 56, 0.18), transparent 70%),
    radial-gradient(ellipse 40% 50% at 20% 80%, rgba(245, 184, 0, 0.06), transparent 70%),
    linear-gradient(180deg, #0a0a0c 0%, #0d0d10 100%);
  z-index: 0;
}
.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 75%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  min-height: calc(100vh - var(--header-h) - 100px);
}
.hero h1 {
  margin-bottom: 24px;
  font-weight: 800;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--steel);
  max-width: 540px;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  border-top: 1px solid var(--line);
  padding-top: 30px;
  max-width: 540px;
}
.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.stat span {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-art {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a1f, #0d0d10);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line);
}
.hero-art img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(1.05) contrast(1.05);
}
.hero-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.4));
  pointer-events: none;
}
.hero-badge {
  position: absolute;
  bottom: 24px; left: 24px; right: 24px;
  z-index: 2;
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 14px 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hero-badge strong {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  color: var(--accent);
}
.hero-badge span {
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* marquee */
.hero-marquee {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 3;
  background: var(--accent);
  color: white;
  padding: 14px 0;
  overflow: hidden;
  border-top: 3px solid var(--warning);
}
.marquee-track {
  display: inline-flex;
  gap: 36px;
  white-space: nowrap;
  animation: marquee 35s linear infinite;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ===== SECTIONS ===== */
.section {
  padding: 120px 0;
  position: relative;
}
.section-head { margin-bottom: 60px; }
.section-head.center {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 70px;
}
.section-head.center .kicker { padding-left: 0; }
.section-head.center .kicker::before { display: none; }
.section-sub {
  color: var(--muted);
  font-size: 1.05rem;
  margin-top: 18px;
  max-width: 600px;
}
.section-head.center .section-sub { margin: 18px auto 0; }

.lead {
  font-size: 1.15rem;
  color: var(--steel);
  margin-bottom: 20px;
  font-weight: 400;
}

/* ===== ABOUT ===== */
.about { background: var(--bg-2); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}
.about-body p { color: var(--muted); margin-bottom: 16px; }
.about-points {
  margin-top: 50px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.point {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 20px;
  align-items: start;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: all .3s ease;
}
.point:hover {
  border-color: var(--accent);
  transform: translateX(4px);
}
.point-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.point h4 {
  margin-bottom: 4px;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}
.point p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
}

/* ===== PRODUCTS ===== */
.products { background: var(--bg); }
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all .35s ease;
  position: relative;
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--shadow-card);
}
.product-card.featured {
  grid-column: span 2;
  grid-row: span 1;
  flex-direction: row;
}
.product-card.featured .product-image {
  flex: 1;
  aspect-ratio: auto;
  min-height: 100%;
}
.product-card.featured .product-body {
  flex: 1;
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.product-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a1f, #0d0d10);
}
.product-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.product-card:hover .product-image img { transform: scale(1.05); }
.product-image .tag {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--accent);
  color: white;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 4px;
}
.product-image .tag.accent-tag {
  background: var(--warning);
  color: #1a1a1a;
}
.product-body {
  padding: 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-body h3 {
  margin-bottom: 12px;
  font-size: 1.4rem;
  letter-spacing: 0;
}
.product-body p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}
.product-meta {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
  font-size: 0.85rem;
}
.product-meta li {
  color: var(--muted);
}
.product-meta strong {
  color: var(--text);
  font-weight: 600;
  display: inline;
}

.cta-card {
  background: linear-gradient(135deg, var(--accent), #8a1525);
  color: white;
  display: grid;
  place-items: center;
  text-align: center;
  border: none;
  min-height: 320px;
}
.cta-card:hover { border: none; transform: translateY(-6px); }
.cta-inner {
  padding: 40px;
  max-width: 320px;
}
.cta-card h3 { color: white; margin-bottom: 16px; font-size: 1.5rem; }
.cta-card p {
  color: rgba(255,255,255,0.85);
  margin-bottom: 24px;
  font-size: 0.95rem;
}
.cta-card .btn-primary {
  background: white;
  color: var(--accent);
  box-shadow: none;
}
.cta-card .btn-primary:hover {
  background: #1a1a1a;
  color: white;
}

/* ===== SPECS ===== */
.specs { background: var(--bg-2); }
.specs-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}
.specs-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.spec-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: all .3s ease;
}
.spec-row:hover {
  border-color: var(--accent);
  background: rgba(215, 38, 56, 0.04);
}
.spec-icon {
  width: 48px; height: 48px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  border-radius: 50%;
  font-weight: 700;
}
.spec-row h4 {
  margin-bottom: 4px;
  font-size: 1rem;
  letter-spacing: 0.02em;
}
.spec-row p {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0;
}

/* ===== WHY EMAX ===== */
.why { background: var(--bg); }
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.why-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--line);
}
.why-image img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.why-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.85), transparent 50%);
}
.why-overlay {
  position: absolute;
  bottom: 30px; left: 30px; right: 30px;
  z-index: 2;
  display: flex;
  align-items: end;
  gap: 20px;
}
.big-num {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 800;
  line-height: 0.85;
  color: var(--accent);
}
.why-overlay span:not(.big-num) {
  font-size: 0.9rem;
  color: var(--steel);
  max-width: 200px;
  padding-bottom: 6px;
}
.why-content h2 { margin-bottom: 20px; }
.why-list {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.why-list li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 16px;
  align-items: start;
}
.check {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.85rem;
  margin-top: 4px;
}
.why-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 4px;
  color: var(--text);
}
.why-list p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
}

/* ===== CONTACT ===== */
.contact {
  background: linear-gradient(135deg, #15151a 0%, #0d0d10 100%);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: "";
  position: absolute;
  top: -200px; right: -200px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(215, 38, 56, 0.15), transparent 70%);
  pointer-events: none;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 70px;
  position: relative;
  z-index: 2;
}
.contact-info h2 { margin-bottom: 20px; }
.contact-info > p {
  color: var(--muted);
  margin-bottom: 40px;
  max-width: 480px;
}
.contact-blocks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.contact-block {
  display: flex;
  flex-direction: column;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: all .25s ease;
}
a.contact-block:hover {
  border-color: var(--accent);
  background: rgba(215, 38, 56, 0.06);
  transform: translateY(-3px);
}
.cb-label {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.cb-value {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
  word-break: break-word;
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}
.contact-form h3 {
  margin-bottom: 24px;
  font-size: 1.6rem;
  color: var(--text);
}
.field { margin-bottom: 18px; display: flex; flex-direction: column; }
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field label {
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
  font-weight: 500;
}
.field input,
.field select,
.field textarea {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--text);
  transition: border-color .25s ease, background .25s ease;
  font-size: 0.95rem;
  resize: vertical;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-2);
}
.field input::placeholder,
.field textarea::placeholder { color: var(--dim); }
.form-note {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 14px;
  text-align: center;
}

/* ===== FOOTER ===== */
.site-footer {
  background: #050507;
  padding: 70px 0 0;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
}
.footer-grid p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 16px;
  max-width: 320px;
}
.footer-grid h5 {
  color: var(--text);
  margin-bottom: 18px;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
}
.footer-grid ul li { margin-bottom: 10px; }
.footer-grid ul a {
  color: var(--muted);
  font-size: 0.9rem;
}
.footer-grid ul a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
  font-size: 0.85rem;
}

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s ease, transform .8s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 50px; }
  .hero-art { max-width: 480px; margin: 0 auto; }
  .about-grid, .specs-grid, .why-grid, .contact-grid {
    grid-template-columns: 1fr; gap: 50px;
  }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-card.featured { grid-column: span 2; flex-direction: column; }
  .product-card.featured .product-image { aspect-ratio: 4/3; min-height: auto; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 90px 0; }
}

@media (max-width: 720px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--bg);
    flex-direction: column;
    padding: 40px 24px;
    gap: 20px;
    border-top: 1px solid var(--line);
  }
  .nav.open a {
    font-family: var(--font-display);
    font-size: 1.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
  }
  .hamburger { display: flex; }
  .hero { padding-top: calc(var(--header-h) + 30px); padding-bottom: 100px; }
  .hero-stats { grid-template-columns: 1fr; gap: 16px; }
  .hero-actions { width: 100%; }
  .hero-actions .btn { flex: 1; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card.featured { grid-column: span 1; }
  .specs-list { grid-template-columns: 1fr; }
  .contact-blocks { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 22px; }
  .footer-grid { grid-template-columns: 1fr; }
  .why-overlay { flex-direction: column; align-items: start; gap: 8px; }
  .why-overlay span:not(.big-num) { padding-bottom: 0; }
  .section { padding: 70px 0; }
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
}