/* =============================================================
   König Flooring — Main Stylesheet
   Palette: #000000 bg / #ff3131 primary (red) / #ffffff white
   Fonts: League Spartan (display) + DM Sans (body)
============================================================= */

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

:root {
  --bg:        #000000;
  --bg-2:      #0a0a0a;
  --bg-3:      #111111;
  --primary:   #c0392b;
  --white:     #ffffff;
  --muted:     rgba(255, 255, 255, 0.5);
  --border:    rgba(255, 255, 255, 0.08);
  --font-disp: 'League Spartan', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

html {
  scroll-behavior: auto;
  background: var(--bg);
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--white);
  overflow-x: hidden;
  max-width: 100vw;
}

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

/* =============================================================
   NAV
============================================================= */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 22px 0;
  transition: background 0.4s ease, transform 0.4s cubic-bezier(0.76, 0, 0.24, 1), padding 0.3s ease;
}

.site-nav.scrolled {
  background: rgba(14, 13, 11, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.site-nav.nav-hidden {
  transform: translateY(-110%);
}

.nav-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  align-items: center;
  gap: 48px;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  margin-left: 24px;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(245, 240, 232, 0.6);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--white); }

.nav-cta {
  padding: 10px 24px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--primary);
  border: none;
  border-radius: 2px;
  font-family: var(--font-body);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--white);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.nav-burger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s;
}

/* Lang switcher */
.lang-switcher {
  position: relative;
  margin-left: auto;
  flex-shrink: 0;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid rgba(245, 240, 232, 0.18);
  color: rgba(245, 240, 232, 0.65);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: 2px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.lang-btn::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 4px solid currentColor;
  opacity: 0.6;
  transition: transform 0.2s ease;
}

.lang-btn:hover {
  border-color: rgba(245, 240, 232, 0.45);
  color: var(--white);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 148px;
  background: #111111;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 10;
}

.lang-dropdown.is-open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.lang-dropdown.is-open ~ .lang-btn::after,
.lang-switcher:has(.lang-dropdown.is-open) .lang-btn::after {
  transform: rotate(180deg);
}

.lang-option {
  display: block;
  width: 100%;
  padding: 11px 16px;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: rgba(245, 240, 232, 0.55);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.lang-option:last-child {
  border-bottom: none;
}

.lang-option:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
}

.lang-option.is-active {
  color: var(--primary);
  cursor: default;
}

/* Mobile nav */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 800;
  background: var(--bg-2);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.mobile-nav.is-open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.mobile-nav a {
  font-family: var(--font-disp);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.06em;
  transition: color 0.2s;
}

.mobile-nav a:hover { color: var(--primary); }

/* =============================================================
   HERO
============================================================= */

.hero {
  position: relative;
  min-height: 100vh;
  max-width: 100vw;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* ADD IMAGE: Replace this gradient with a full-bleed background image
   of a forest or natural wood texture. Use:
   background-image: url('../assets/images/hero-bg.jpg');
   background-size: cover; background-position: center; */
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../assets/images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(14, 13, 11, 0.7) 0%, rgba(14, 13, 11, 0.2) 60%, transparent 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 48px;
  padding-top: 100px;
}

.hero-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 28px;
  opacity: 0;
}

.hero-heading {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 32px;
}

.hero-line {
  display: block;
  font-family: var(--font-disp);
  font-size: clamp(3.8rem, 7.5vw, 7.5rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--white);
  overflow: hidden;
}

.hero-line--italic {
  font-style: normal;
  font-weight: 800;
  color: var(--primary);
}

.hero-line-inner {
  display: block;
  transform: translateY(100%);
}

.hero-sub {
  max-width: 520px;
  font-size: clamp(0.95rem, 1.4vw, 1.1rem);
  font-weight: 300;
  line-height: 1.75;
  color: var(--muted);
  margin-bottom: 44px;
  opacity: 0;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  opacity: 0;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  opacity: 0;
}

.hero-scroll-line {
  display: block;
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, var(--primary), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
  margin: 0 auto;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); transform-origin: top; }
  50%       { opacity: 1;   transform: scaleY(0.6); transform-origin: top; }
}

/* =============================================================
   BUTTONS
============================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
}

.btn-primary {
  background: var(--primary);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--white);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(245, 240, 232, 0.3);
}

.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* =============================================================
   SECTION COMMONS
============================================================= */

.section-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 20px;
}

.section-heading {
  font-family: var(--font-disp);
  font-size: clamp(2.8rem, 5vw, 5rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--white);
}

.section-heading em {
  font-style: normal;
  color: var(--primary);
  font-weight: 800;
}

/* =============================================================
   TRUST STRIP
============================================================= */

.trust-strip {
  position: relative;
  z-index: 1;
  max-width: 100vw;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.trust-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 32px 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 48px;
  flex: 1;
  justify-content: center;
  opacity: 0;
  transform: translateY(10px);
}

.trust-icon {
  color: var(--primary);
  font-size: 0.55rem;
  flex-shrink: 0;
}

.trust-label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(245, 240, 232, 0.7);
  white-space: nowrap;
}

.trust-divider {
  width: 1px;
  height: 28px;
  background: var(--border);
  flex-shrink: 0;
}

/* =============================================================
   SUSTAINABILITY
============================================================= */

.sustain-section {
  position: relative;
  z-index: 1;
  max-width: 100vw;
  background: var(--bg);
  padding: 140px 0;
}

.sustain-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: start;
}

.sustain-heading {
  margin-bottom: 36px;
}

.sustain-body {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.85;
  color: rgba(245, 240, 232, 0.7);
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(20px);
}

.sustain-body:last-of-type { margin-bottom: 48px; }

.sustain-stats {
  display: flex;
  gap: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

.sustain-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  opacity: 0;
  transform: translateY(16px);
}

.stat-num {
  font-family: var(--font-disp);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.sustain-image-wrap {
  position: relative;
  align-self: stretch;
  min-height: 600px;
}

/* ADD IMAGE: Replace gradient with:
   background-image: url('../assets/images/sustainability.jpg');
   background-size: cover; background-position: center; */
.sustain-image {
  position: sticky;
  top: 120px;
  height: 70vh;
  border-radius: 2px;
  background-image: url('../assets/images/sustainability.jpeg');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.sustain-badge {
  position: absolute;
  bottom: 32px;
  left: -20px;
  background: var(--primary);
  color: var(--bg);
  padding: 20px 24px;
  border-radius: 2px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.sustain-badge-text {
  font-family: var(--font-disp);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

/* =============================================================
   PROCESS
============================================================= */

.process-section {
  position: relative;
  z-index: 1;
  max-width: 100vw;
  background: var(--bg-2);
  padding: 140px 0;
}

.process-header {
  max-width: 1320px;
  margin: 0 auto 100px;
  padding: 0 48px;
}

.process-intro {
  font-size: 1rem;
  font-weight: 300;
  color: var(--muted);
  margin-top: 20px;
  letter-spacing: 0.04em;
}

.process-steps {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  flex-direction: column;
  gap: 120px;
}

.process-step {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  opacity: 0;
  transform: translateY(40px);
}

.process-step--reverse {
  grid-template-columns: 1fr 1fr;
}

.process-step--reverse .process-img { order: 2; }
.process-step--reverse .process-text { order: 1; }

/* ADD IMAGES: Replace each gradient with an image URL */
.process-img {
  height: 520px;
  border-radius: 2px;
  overflow: hidden;
}

.process-img--1 {
  background-image: url('../assets/images/process-1.jpg');
  background-size: cover;
  background-position: center;
}

.process-img--2 {
  background-image: url('../assets/images/process-2.jpeg');
  background-size: cover;
  background-position: center;
}

.process-img--3 {
  background-image: url('../assets/images/process-3.jpg');
  background-size: cover;
  background-position: center;
}

.process-num {
  display: block;
  font-family: var(--font-disp);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--primary);
  margin-bottom: 16px;
}

.process-title {
  font-family: var(--font-disp);
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 24px;
}

.process-body {
  font-size: 0.98rem;
  font-weight: 300;
  line-height: 1.85;
  color: rgba(245, 240, 232, 0.65);
}

/* =============================================================
   COLLECTIONS
============================================================= */

.collections-section {
  position: relative;
  z-index: 1;
  max-width: 100vw;
  background: var(--bg);
  padding: 140px 0;
}

.collections-header {
  max-width: 1320px;
  margin: 0 auto 72px;
  padding: 0 48px;
}

.collections-grid {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.collection-card {
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
}

.collection-img {
  height: 520px;
  overflow: hidden;
  border-radius: 2px;
  margin-bottom: 28px;
}

.collection-img-inner {
  height: 100%;
  width: 100%;
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.collection-card:hover .collection-img-inner {
  transform: scale(1.04);
}

.collection-img--essence .collection-img-inner {
  background-image: url('../assets/images/collection-essence.jpg');
  background-size: cover;
  background-position: center;
}

.collection-img--essence-pro .collection-img-inner {
  background-image: url('../assets/images/collection-essence-pro.jpg');
  background-size: cover;
  background-position: center;
}

.collection-img--prestige .collection-img-inner {
  background-image: url('../assets/images/collection-prestige.jpg');
  background-size: cover;
  background-position: center;
}

.collection-spec {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}

.collection-name {
  font-family: var(--font-disp);
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 10px;
}

.collection-desc {
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--muted);
  margin-bottom: 20px;
}

.collection-link {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.2s, gap 0.2s;
}

.collection-link:hover {
  border-color: var(--primary);
  gap: 12px;
}

/* =============================================================
   CERTIFICATIONS
============================================================= */

.cert-section {
  position: relative;
  z-index: 1;
  max-width: 100vw;
  background: var(--bg-3);
  padding: 140px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cert-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 48px;
}

.cert-heading {
  margin-bottom: 72px;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.cert-item {
  opacity: 0;
  transform: translateY(20px);
}

.cert-badge {
  width: 80px;
  height: 80px;
  border: 1px solid rgba(196, 149, 106, 0.35);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-disp);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  line-height: 1.3;
  color: var(--primary);
  margin-bottom: 24px;
}

.cert-name {
  font-family: var(--font-disp);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.cert-desc {
  font-size: 0.88rem;
  font-weight: 300;
  line-height: 1.8;
  color: rgba(245, 240, 232, 0.55);
}

/* =============================================================
   TRADE
============================================================= */

.trade-section {
  position: relative;
  z-index: 1;
  max-width: 100vw;
  background: var(--bg-2);
  padding: 140px 0;
}

.trade-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

.trade-heading {
  margin-bottom: 28px;
}

.trade-body {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.85;
  color: rgba(245, 240, 232, 0.65);
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(16px);
}

.trade-note {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 36px;
}

.trade-benefits {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 40px;
  opacity: 0;
  transform: translateY(16px);
}

.trade-benefit {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 2px;
}

.trade-benefit::before {
  content: '—';
  color: var(--primary);
  font-size: 0.8rem;
  flex-shrink: 0;
}

.trade-benefit-label {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(245, 240, 232, 0.75);
}

/* ADD IMAGE: Showroom interior or stacked flooring samples, professional -->
.trade-image-wrap {
  height: 600px;
  opacity: 0;
  transform: translateX(30px);
}

.trade-image {
  height: 100%;
  border-radius: 2px;
  background-image: url('../assets/images/trade-showroom.jpeg');
  background-size: cover;
  background-position: center;
}

/* =============================================================
   FOOTER
============================================================= */

.site-footer {
  position: relative;
  z-index: 1;
  max-width: 100vw;
  background: #0a0908;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 80px 48px 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 80px;
  margin-bottom: 72px;
}

.footer-logo-img {
  height: 32px;
  width: auto;
  object-fit: contain;
  margin-bottom: 14px;
}

.footer-tagline {
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--muted);
  letter-spacing: 0.06em;
  line-height: 1.6;
}

.footer-nav {
  display: flex;
  gap: 80px;
  justify-content: flex-end;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 4px;
}

.footer-col a,
.footer-location {
  font-size: 0.88rem;
  font-weight: 300;
  color: rgba(245, 240, 232, 0.5);
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  font-weight: 300;
  color: rgba(245, 240, 232, 0.35);
  letter-spacing: 0.04em;
}

.footer-legal {
  display: flex;
  gap: 28px;
}

.footer-legal a {
  color: rgba(245, 240, 232, 0.35);
  transition: color 0.2s;
}

.footer-legal a:hover { color: var(--white); }

/* =============================================================
   RESPONSIVE
============================================================= */

@media (max-width: 1024px) {
  .nav-inner    { padding: 0 32px; gap: 32px; }
  .hero-inner   { padding: 0 32px; }
  .trust-inner  { padding: 20px 32px; }
  .sustain-inner,
  .process-header,
  .process-steps,
  .collections-header,
  .collections-grid,
  .cert-inner,
  .trade-inner,
  .footer-inner  { padding-left: 32px; padding-right: 32px; }
  .sustain-inner { gap: 60px; }
  .trade-inner   { gap: 60px; }
  .cert-grid     { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}

@media (max-width: 900px) {
  .nav-links    { display: none; }
  .nav-cta      { display: none; }
  .nav-burger   { display: flex; }
  .lang-switcher { margin-left: 0; }

  .trust-inner  { flex-wrap: wrap; gap: 0; }
  .trust-item   { flex: 0 0 50%; padding: 16px 24px; justify-content: flex-start; }
  .trust-divider { display: none; }

  .sustain-inner {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .sustain-image { position: relative; top: 0; height: 480px; }
  .sustain-image-wrap { min-height: unset; }

  .process-step,
  .process-step--reverse { grid-template-columns: 1fr; gap: 40px; }
  .process-step--reverse .process-img { order: 0; }
  .process-step--reverse .process-text { order: 0; }
  .process-img  { height: 360px; }

  .collections-grid { grid-template-columns: 1fr; gap: 48px; }
  .collection-img { height: 400px; }

  .cert-grid    { grid-template-columns: repeat(2, 1fr); }

  .trade-inner  { grid-template-columns: 1fr; gap: 56px; }
  .trade-image-wrap { height: 400px; opacity: 1; transform: none; }

  .footer-top   { grid-template-columns: 1fr; gap: 48px; }
  .footer-nav   { justify-content: flex-start; gap: 48px; flex-wrap: wrap; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 600px) {
  .nav-inner   { padding: 0 20px; }
  .hero-inner  { padding: 0 20px; padding-top: 100px; }

  .hero-line   { font-size: clamp(3rem, 12vw, 4.5rem); }
  .hero-ctas   { flex-direction: column; align-items: flex-start; gap: 12px; }
  .hero-ctas .btn { width: 100%; max-width: 300px; justify-content: center; }

  .trust-item  { flex: 0 0 100%; padding: 12px 20px; }

  .sustain-section,
  .process-section,
  .collections-section,
  .cert-section,
  .trade-section { padding: 88px 0; }

  .sustain-inner,
  .process-header,
  .process-steps,
  .collections-header,
  .collections-grid,
  .cert-inner,
  .trade-inner,
  .footer-inner { padding-left: 20px; padding-right: 20px; }

  .sustain-stats { flex-direction: column; gap: 24px; }

  .process-steps { gap: 72px; }
  .process-img   { height: 280px; }

  .collections-grid { gap: 40px; }
  .collection-img   { height: 320px; }

  .cert-grid    { grid-template-columns: 1fr 1fr; gap: 24px; }
  .cert-badge   { width: 60px; height: 60px; font-size: 0.72rem; }

  .footer-nav   { gap: 32px; }
  .footer-inner { padding: 60px 20px 32px; }
}

/* ── Email Popup ──────────────────────────────────────────── */
.email-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.email-popup-overlay.is-open {
  opacity: 1;
  visibility: visible;
}
.email-popup {
  background: #0e0d0b;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 4px;
  padding: 52px 48px;
  width: 100%;
  max-width: 580px;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.35s cubic-bezier(0.22,1,0.36,1);
}
.email-popup-overlay.is-open .email-popup {
  transform: translateY(0);
}
.popup-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: rgba(255,255,255,0.4);
  font-size: 1rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
  transition: color 0.2s;
}
.popup-close:hover { color: #fff; }
.popup-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 12px;
}
.popup-title {
  font-family: var(--font-disp);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  color: var(--text);
  margin: 0 0 10px;
  line-height: 1.15;
}
.popup-sub {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0 0 32px;
  line-height: 1.6;
}
.popup-form { display: flex; flex-direction: column; gap: 16px; }
.popup-row  { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.popup-field { display: flex; flex-direction: column; gap: 6px; }
.popup-field-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.popup-input {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 2px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 12px 14px;
  transition: border-color 0.2s;
  outline: none;
  -webkit-appearance: none;
}
.popup-input:focus {
  border-color: var(--green);
}
.popup-textarea { resize: vertical; min-height: 100px; }
.popup-submit { margin-top: 8px; width: 100%; justify-content: center; }
.popup-success { text-align: center; padding: 48px 0; font-family: var(--font-body); font-size: 1.05rem; color: var(--green); }

/* mobile nav cta button */
.mobile-nav-cta {
  background: none;
  border: none;
  color: inherit;
  font-family: var(--font-body);
  font-size: inherit;
  cursor: pointer;
  padding: 0;
  text-align: left;
}

@media (max-width: 600px) {
  .email-popup { padding: 40px 24px; }
  .popup-row   { grid-template-columns: 1fr; }
}