/* ============================================================
   CONSTRUTEKS — styles.css
   Archetype: Industrial Dark · Accent amber #F5A800
   ============================================================ */

/* === TOKENS === */
:root {
  --bg:          #0d0d0d;
  --bg-2:        #141414;
  --bg-3:        #1a1a1a;
  --bg-card:     #181818;
  --ink:         #f0f0ee;
  --ink-soft:    #b8b8b6;
  --ink-mute:    #6a6a68;
  --amber:       #F5A800;
  --amber-dim:   rgba(245,168,0,0.15);
  --amber-glow:  rgba(245,168,0,0.08);
  --steel:       #8A8A88;
  --line:        rgba(240,240,238,0.08);
  --line-amber:  rgba(245,168,0,0.25);
  --radius:      6px;
  --radius-lg:   12px;
  --nav-h:       72px;
  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

html {
  overflow-x: clip;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul, ol { list-style: none; }

/* === REVEAL ANIMATIONS === */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.75s var(--ease-out), transform 0.75s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
/* Defensive: data-split elements must never inherit reveal's opacity:0 */
.reveal[data-split] {
  opacity: 1;
  transform: none;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4 {
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 700; }
p  { font-size: clamp(0.95rem, 1.2vw, 1.05rem); color: var(--ink-soft); line-height: 1.7; }
em { font-style: italic; color: var(--amber); }

.section-num {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.5rem;
}
.section-tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), background 0.2s;
  text-transform: uppercase;
  white-space: nowrap;
}
.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--amber);
  color: #0d0d0d;
  box-shadow: 0 4px 24px rgba(245,168,0,0.3);
}
.btn-primary:hover {
  background: #ffba1a;
  box-shadow: 0 8px 32px rgba(245,168,0,0.45);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-amber);
}
.btn-ghost:hover {
  border-color: var(--amber);
  color: var(--amber);
  background: var(--amber-glow);
}

/* === NAV === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  transition: background 0.4s var(--ease-out), backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(13,13,13,0.9);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom-color: var(--line);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav-logo img { height: 42px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav-links a {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: color 0.2s;
  position: relative;
}
.nav-links a:not(.nav-cta-link)::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease-out);
}
.nav-links a:not(.nav-cta-link):hover {
  color: var(--ink);
}
.nav-links a:not(.nav-cta-link):hover::after {
  transform: scaleX(1);
  transform-origin: left;
}
.nav-cta-link {
  padding: 0.55rem 1.25rem;
  background: var(--amber);
  color: #0d0d0d !important;
  border-radius: var(--radius);
  font-weight: 700;
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s !important;
}
.nav-cta-link::after { display: none !important; }
.nav-cta-link:hover {
  background: #ffba1a;
  box-shadow: 0 4px 20px rgba(245,168,0,0.4);
  transform: translateY(-1px) !important;
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink);
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
  border-radius: 2px;
}
.nav-burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out), padding 0.3s;
}
.nav-mobile.is-open {
  max-height: 320px;
  padding: 0.5rem 0;
}
.nav-mobile a {
  padding: 1rem 2rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  transition: color 0.2s, background 0.2s;
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile a:hover { color: var(--amber); background: var(--amber-glow); }

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  padding-top: var(--nav-h);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle 800px at var(--mx, 40%) var(--my, 40%),
      rgba(245,168,0,0.12) 0%, transparent 65%),
    radial-gradient(circle 400px at 85% 80%,
      rgba(245,168,0,0.06) 0%, transparent 55%),
    radial-gradient(ellipse at 0% 100%, rgba(245,168,0,0.05) 0%, transparent 50%),
    var(--bg);
  pointer-events: none;
  transition: background 0.1s linear;
}

.hero-grain {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.035;
  mix-blend-mode: overlay;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

.hero-vignette {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(13,13,13,0.6) 100%);
  pointer-events: none;
}

.hero-layout {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  min-height: calc(100vh - var(--nav-h));
  min-height: calc(100svh - var(--nav-h));
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--amber);
}

.hero-title {
  font-size: clamp(3.2rem, 6.5vw, 6rem);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.hero-sub {
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  color: var(--ink-soft);
  max-width: 44ch;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.hero-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px var(--line);
}
.hero-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(245,168,0,0.08) 0%, transparent 60%);
}
.hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
  transition: transform 8s ease-out;
}
.hero-img-wrap:hover .hero-img { transform: scale(1.03); }

.hero-scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  animation: scrollBob 2.5s ease-in-out infinite;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--amber));
}
.scroll-label {
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
@keyframes scrollBob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* === ABOUT === */
.about {
  padding: 8rem 2rem;
  position: relative;
  overflow: hidden;
}
.about-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 4rem;
  align-items: start;
}
.about-label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-top: 0.6rem;
}
.about-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  margin-bottom: 2rem;
  max-width: 22ch;
}
.about-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.about-img-strip {
  width: 100%;
  height: 320px;
  overflow: hidden;
  margin-top: 4rem;
  border-radius: var(--radius-lg);
  opacity: 0.35;
}
.about-img-strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
}

/* === PRODUCTS === */
.products {
  padding: 6rem 2rem 8rem;
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.products-header {
  max-width: 1280px;
  margin: 0 auto 4rem;
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
}
.products-header h2 { flex: 1; }
.products-header p { color: var(--ink-mute); font-size: 0.9rem; }

.products-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s, transform 0.3s var(--ease-out), box-shadow 0.3s;
  opacity: 0;
  transform: translateY(28px);
}
.product-card.is-visible {
  opacity: 1;
  transform: none;
}
.product-card:hover {
  border-color: var(--line-amber);
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 0 1px var(--line-amber);
}

.card-img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--bg-3);
}
.card-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out), filter 0.4s;
  filter: saturate(0.85);
}
.product-card:hover .card-img-wrap img {
  transform: scale(1.06);
  filter: saturate(1.1);
}

.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}
.card-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}
.card-body h3 {
  font-size: 1.1rem;
  color: var(--ink);
}
.card-body p {
  font-size: 0.88rem;
  line-height: 1.55;
  flex: 1;
}
.card-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--amber);
  margin-top: 0.5rem;
  transition: gap 0.2s, letter-spacing 0.2s;
  gap: 0.25rem;
}
.card-link:hover { letter-spacing: 0.1em; }

/* === STATS === */
.stats {
  padding: 6rem 2rem;
  background: var(--bg);
  position: relative;
}
.stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 25% 50%, rgba(245,168,0,0.05) 0%, transparent 60%),
    radial-gradient(ellipse at 75% 50%, rgba(245,168,0,0.04) 0%, transparent 55%);
  pointer-events: none;
}
.stats-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat-item {
  padding: 2.5rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-2);
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
}
.stat-item.is-visible { opacity: 1; transform: none; }
.stat-item:hover {
  border-color: var(--line-amber);
  transform: translateY(-3px);
}
.stat-number {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.1rem;
  margin-bottom: 0.6rem;
}
.count-up {
  font-size: clamp(2.8rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--amber);
  line-height: 1;
  letter-spacing: -0.03em;
}
.stat-unit {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  line-height: 1.4;
}

/* === GALLERY === */
.gallery {
  padding: 6rem 2rem;
  background: var(--bg-2);
  border-top: 1px solid var(--line);
}
.gallery-header {
  max-width: 1280px;
  margin: 0 auto 3rem;
}
.gallery-header h2 { margin: 0.4rem 0 0.75rem; }

.gallery-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 260px 260px;
  gap: 1rem;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--bg-3);
  opacity: 0;
  transform: scale(0.97);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.gallery-item.is-visible {
  opacity: 1;
  transform: none;
}
.gallery-item--large {
  grid-row: 1 / 3;
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.05);
  transition: transform 0.7s var(--ease-out), filter 0.4s;
}
.gallery-item:hover img {
  transform: scale(1.06);
  filter: saturate(1.05) contrast(1.08);
}
.gallery-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 2rem 1.5rem 1.25rem;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 100%);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  transform: translateY(100%);
  transition: transform 0.4s var(--ease-out);
}
.gallery-item:hover .gallery-caption { transform: translateY(0); }

/* === WHY === */
.why {
  padding: 8rem 2rem;
  background: var(--bg);
  border-top: 1px solid var(--line);
}
.why-inner {
  max-width: 1280px;
  margin: 0 auto;
}
.why-label {
  margin-bottom: 4rem;
}
.why-label h2 { margin-top: 0.4rem; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.why-item {
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-2);
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
}
.why-item:hover {
  border-color: var(--line-amber);
  transform: translateY(-4px);
}
.why-icon {
  width: 44px; height: 44px;
  margin-bottom: 1.25rem;
  color: var(--amber);
}
.why-icon svg { width: 100%; height: 100%; }
.why-item h3 {
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
}
.why-item p { font-size: 0.87rem; }

/* === QUOTE FORM === */
.quote-section {
  padding: 8rem 2rem;
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.quote-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(245,168,0,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.quote-inner {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}
.quote-heading {
  margin-bottom: 3rem;
}
.quote-heading h2 { margin: 0.4rem 0 1rem; }
.quote-heading p   { max-width: 55ch; }

.quote-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.form-group label span { color: var(--amber); }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.875rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
  -webkit-appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--ink-mute); }
.form-group select { cursor: pointer; }
.form-group select option { background: var(--bg-2); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(245,168,0,0.12);
}
.form-group input.is-error,
.form-group select.is-error {
  border-color: #e53e3e;
  box-shadow: 0 0 0 3px rgba(229,62,62,0.12);
}
.form-group textarea { resize: vertical; min-height: 130px; }

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}
.form-note {
  font-size: 0.78rem;
  color: var(--ink-mute);
  line-height: 1.5;
}

.btn-submit {
  position: relative;
  min-width: 200px;
  overflow: hidden;
}
.btn-default-text,
.btn-sending-text,
.btn-check-icon { transition: opacity 0.3s, transform 0.3s var(--ease-out); }
.btn-sending-text { position: absolute; opacity: 0; transform: translateY(8px); }
.btn-check-icon   { position: absolute; opacity: 0; width: 18px; height: 18px; transform: scale(0.5); }

.btn-submit.is-sending .btn-default-text { opacity: 0; transform: translateY(-8px); }
.btn-submit.is-sending .btn-sending-text { opacity: 1; transform: none; }
.btn-submit.is-sent    .btn-default-text { opacity: 0; }
.btn-submit.is-sent    .btn-sending-text { opacity: 0; }
.btn-submit.is-sent    .btn-check-icon   { opacity: 1; transform: scale(1); }
.btn-submit.is-sent    { background: #22c55e; box-shadow: 0 4px 24px rgba(34,197,94,0.3); }
.btn-submit:disabled   { pointer-events: none; opacity: 0.7; }

/* === FOOTER === */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--line);
}
.footer-top {
  max-width: 1280px;
  margin: 0 auto;
  padding: 5rem 2rem 4rem;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 4rem;
}
.footer-brand img { margin-bottom: 1.25rem; }
.footer-tagline { font-size: 0.9rem; max-width: 28ch; }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.footer-col h4 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1.25rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col li, .footer-col p {
  font-size: 0.88rem;
  color: var(--ink-mute);
}
.footer-col a {
  color: var(--ink-mute);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--amber); }

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: var(--ink-mute);
}
.footer-bottom a { color: var(--ink-mute); transition: color 0.2s; }
.footer-bottom a:hover { color: var(--amber); }

/* card with two images — swap on hover */
.card-img-multi { position: relative; overflow: hidden; }
.card-img-multi .card-img-main,
.card-img-multi .card-img-hover {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: opacity 0.5s var(--ease-out);
}
.card-img-multi .card-img-hover { opacity: 0; }
.product-card:hover .card-img-multi .card-img-main  { opacity: 0; }
.product-card:hover .card-img-multi .card-img-hover { opacity: 1; }

/* === RESPONSIVE === */
@media (max-width: 1280px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid       { grid-template-columns: repeat(2, 1fr); }
  .stats-grid     { grid-template-columns: repeat(2, 1fr); }
  .footer-top     { grid-template-columns: 1fr; }
  .footer-cols    { grid-template-columns: repeat(3, 1fr); }
  .about-inner    { grid-template-columns: 160px 1fr; }
}

@media (max-width: 768px) {
  .nav-links  { display: none; }
  .nav-burger { display: flex; }
  .nav-mobile { display: flex; }

  .hero-layout {
    grid-template-columns: 1fr;
    padding: 3rem 1.5rem 5rem;
  }
  .hero-img-wrap { display: none; }
  .hero-title { font-size: clamp(2.6rem, 10vw, 3.5rem); }

  .about-inner    { grid-template-columns: 1fr; }
  .about-label    { flex-direction: row; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
  .about-cols     { grid-template-columns: 1fr; }
  .products-grid  { grid-template-columns: repeat(2, 1fr); }
  .stats-grid     { grid-template-columns: repeat(2, 1fr); }
  .why-grid       { grid-template-columns: 1fr 1fr; }
  .gallery-grid   { grid-template-columns: 1fr; grid-template-rows: 240px 200px 200px; }
  .gallery-item--large { grid-row: auto; }
  .gallery-caption { transform: none; }
  .form-row       { grid-template-columns: 1fr; }
  .footer-top     { grid-template-columns: 1fr; }
  .footer-cols    { grid-template-columns: 1fr 1fr; }
  .form-footer    { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .why-grid      { grid-template-columns: 1fr; }
  .stats-grid    { grid-template-columns: 1fr 1fr; }
  .footer-cols   { grid-template-columns: 1fr; }
  .hero-actions  { flex-direction: column; }
  .hero-actions .btn { text-align: center; justify-content: center; }
}

/* === PREFERS-REDUCED-MOTION: only disable truly intrusive effects === */
@media (prefers-reduced-motion: reduce) {
  .hero-scroll-indicator { animation: none; }
}