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

:root {
  --black:       #0d0d0d;
  --dark:        #161616;
  --navy:        #1c3654;
  --offwhite:    #f2f0eb;
  --white:       #ffffff;
  --gold:        #c8a96e;
  --gray-mid:    #6b6b6b;
  --gray-light:  #b0b0b0;
  --border-dark: rgba(255,255,255,0.10);
  --border-light:rgba(0,0,0,0.10);
  --font: 'Inter', system-ui, sans-serif;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-weight: 300;
  color: var(--dark);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; width: 100%; }

/* ── Utility ──────────────────────────────────────────────── */
.label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-light);
}
.label--dark { color: var(--gray-mid); }

.section-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

/* ── Navigation ───────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  height: 64px;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}
#nav.scrolled {
  background: rgba(13,13,13,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border-dark);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}
.nav-logo svg { width: 36px; height: 36px; }
.nav-logo-text {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  text-decoration: none;
  color: rgba(255,255,255,0.72);
  transition: color 0.25s;
}
.nav-links a:hover { color: var(--white); }

.nav-cta {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.35);
  padding: 9px 20px;
  transition: background 0.25s, border-color 0.25s;
}
.nav-cta:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}

/* hamburger — hidden on desktop */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
  transform-origin: center;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* mobile dropdown panel */
.nav-mobile {
  display: none;
  position: fixed;
  top: 64px;
  left: 0; right: 0;
  z-index: 99;
  background: rgba(13,13,13,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-dark);
  padding: 24px 32px 32px;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-mobile.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.nav-mobile ul {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.nav-mobile ul li a {
  display: block;
  padding: 14px 0;
  font-size: 15px;
  font-weight: 300;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: rgba(255,255,255,0.78);
  border-bottom: 1px solid var(--border-dark);
  transition: color 0.2s;
}
.nav-mobile ul li:first-child a { border-top: 1px solid var(--border-dark); }
.nav-mobile ul li a:hover { color: var(--white); }
.nav-mobile-cta {
  display: inline-block;
  margin-top: 4px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.35);
  padding: 12px 24px;
  transition: background 0.25s, border-color 0.25s;
}
.nav-mobile-cta:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}

/* ── Hero ─────────────────────────────────────────────────── */
#hero {
  position: relative;
  height: 100svh;
  min-height: 640px;
  background: var(--black);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    #0a0f17 0%,
    #111a26 40%,
    #0d1520 70%,
    #070b10 100%
  );
}

/* Decorative diagonal line — echoes Volvo iron mark */
.hero-bg::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -5%;
  width: 55%;
  height: 140%;
  background: linear-gradient(
    105deg,
    transparent 0%,
    rgba(28,54,84,0.18) 40%,
    rgba(28,54,84,0.28) 50%,
    rgba(28,54,84,0.18) 60%,
    transparent 100%
  );
  transform: skewX(-6deg);
}

/* Photo placeholder — swap src when photos available */
.hero-photo-slot {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-photo-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

/* Use this class on the placeholder when there's no real photo */
.hero-photo-slot .placeholder-hint {
  position: absolute;
  bottom: 50%;
  left: 50%;
  transform: translate(-50%, 50%);
  color: rgba(255,255,255,0.12);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: center;
  pointer-events: none;
}

.hero-gradient-bottom {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60%;
  background: linear-gradient(to top, rgba(13,13,13,0.92) 0%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 72px 120px 72px;
  margin-bottom: 40px;
}

.hero-eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.30em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(64px, 9vw, 128px);
  font-weight: 200;
  letter-spacing: -0.02em;
  line-height: 0.95;
  color: var(--white);
}

.hero-subtitle {
  margin-top: 24px;
  font-size: 16px;
  font-weight: 300;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.02em;
  max-width: 440px;
}

.hero-actions {
  margin-top: 40px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.btn-primary {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--dark);
  background: var(--white);
  padding: 14px 32px;
  transition: background 0.25s, color 0.25s;
}
.btn-primary:hover {
  background: var(--offwhite);
}

.btn-ghost {
  display: inline-block;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: rgba(255,255,255,0.72);
  border-bottom: 1px solid rgba(255,255,255,0.35);
  padding-bottom: 2px;
  transition: color 0.25s, border-color 0.25s;
}
.btn-ghost:hover {
  color: var(--white);
  border-color: var(--white);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  right: 72px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.35);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.hero-scroll-line {
  width: 40px;
  height: 1px;
  background: rgba(255,255,255,0.25);
}

/* ── Stats Strip ──────────────────────────────────────────── */
#stats {
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.stat-item {
  padding: 36px 40px;
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.stat-item:last-child { border-right: none; }

.stat-value {
  font-size: 30px;
  font-weight: 200;
  letter-spacing: -0.03em;
  color: var(--dark);
  line-height: 1;
}
.stat-value span {
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 0;
  color: var(--gray-mid);
  margin-left: 2px;
}

.stat-price .stat-value {
  color: var(--navy);
}

/* ── About Section ────────────────────────────────────────── */
#about {
  background: var(--offwhite);
  padding: 120px 72px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text h2 {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 200;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--dark);
  margin-bottom: 32px;
}
.about-text h2 em {
  font-style: italic;
  font-weight: 200;
  color: var(--navy);
}

.about-text p {
  font-size: 16px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--gray-mid);
  margin-bottom: 20px;
}

.about-highlights {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.about-highlight {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-light);
}
.about-highlight:first-child { border-top: 1px solid var(--border-light); }

.ah-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
}
.ah-icon svg { width: 22px; height: 22px; }

.ah-text strong {
  display: block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--dark);
  margin-bottom: 4px;
}
.ah-text span {
  font-size: 13px;
  font-weight: 300;
  color: var(--gray-mid);
}

.about-visual {
  position: relative;
}

.photo-main {
  width: 100%;
  aspect-ratio: 4/3;
  background: #c8c4bc;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.photo-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.5);
}
.photo-placeholder svg { width: 40px; height: 40px; opacity: 0.5; }
.photo-placeholder span {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.photo-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--navy);
  color: var(--white);
  padding: 24px 28px;
}
.photo-badge strong {
  display: block;
  font-size: 24px;
  font-weight: 200;
  letter-spacing: -0.02em;
}
.photo-badge span {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

/* ── Gallery ──────────────────────────────────────────────── */
#gallery {
  background: var(--dark);
  padding: 100px 72px;
}

.gallery-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
}

.gallery-header h2 {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 200;
  letter-spacing: -0.02em;
  color: var(--white);
}

.gallery-note {
  font-size: 12px;
  font-weight: 300;
  color: var(--gray-light);
  letter-spacing: 0.06em;
  max-width: 240px;
  text-align: right;
  line-height: 1.6;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 3px;
}

.gallery-item {
  position: relative;
  background: #1a1a1a;
  overflow: hidden;
  cursor: pointer;
}
.gallery-item:first-child {
  grid-column: span 2;
  grid-row: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--transition);
}
.gallery-item:hover img {
  transform: scale(1.04);
}

/* cursor hint */
.gallery-item { cursor: zoom-in; }

/* ── Lightbox ─────────────────────────────────────────────── */
.lb-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.93);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.lb-overlay.lb-open {
  opacity: 1;
  pointer-events: auto;
}

.lb-stage {
  position: relative;
  max-width: 90vw;
  max-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lb-img {
  display: block;
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 2px;
  opacity: 0;
  transform: scale(0.97);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.lb-img.lb-loaded {
  opacity: 1;
  transform: scale(1);
}

.lb-close {
  position: fixed;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  cursor: pointer;
  color: var(--white);
  transition: background 0.2s;
}
.lb-close:hover { background: rgba(255,255,255,0.18); }
.lb-close svg { width: 18px; height: 18px; }

.lb-arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  cursor: pointer;
  color: var(--white);
  transition: background 0.2s;
}
.lb-arrow:hover { background: rgba(255,255,255,0.16); }
.lb-arrow svg { width: 22px; height: 22px; }
.lb-prev { left: 20px; }
.lb-next { right: 20px; }
.lb-arrow[hidden] { display: none; }

.lb-caption {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  white-space: nowrap;
}

.lb-counter {
  position: fixed;
  top: 26px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.35);
}

@media (max-width: 640px) {
  .lb-prev { left: 8px; }
  .lb-next { right: 8px; }
  .lb-arrow { width: 40px; height: 40px; }
}

.gallery-ph {
  width: 100%;
  aspect-ratio: 4/3;
  background: #1c1c1c;
  border: 1px solid rgba(255,255,255,0.06);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: rgba(255,255,255,0.18);
  transition: background 0.3s;
}
.gallery-item:first-child .gallery-ph {
  aspect-ratio: unset;
  position: absolute;
  inset: 0;
  height: 100%;
}
.gallery-item:hover .gallery-ph {
  background: #222;
}
.gallery-ph svg { width: 28px; height: 28px; }
.gallery-ph span {
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ── Features ─────────────────────────────────────────────── */
#features {
  background: var(--white);
  padding: 120px 72px;
}

.features-header {
  max-width: 560px;
  margin-bottom: 72px;
}
.features-header h2 {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 200;
  letter-spacing: -0.02em;
  color: var(--dark);
  line-height: 1.2;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.feature-item {
  padding: 40px 40px 40px 0;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.feature-item:nth-child(n+4) { border-bottom: none; }

.fi-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
}
.fi-icon svg { width: 28px; height: 28px; }

.fi-title {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--dark);
}
.fi-desc {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--gray-mid);
}

/* ── Specs ────────────────────────────────────────────────── */
#specs {
  background: var(--offwhite);
  padding: 120px 72px;
}

.specs-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
}

.specs-left h2 {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 200;
  letter-spacing: -0.02em;
  color: var(--dark);
  line-height: 1.2;
  position: sticky;
  top: 100px;
}

.specs-table {
  display: flex;
  flex-direction: column;
}

.specs-group {
  margin-bottom: 48px;
}
.specs-group-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray-mid);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 0;
}

.spec-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
}
.spec-key {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray-mid);
}
.spec-val {
  font-size: 14px;
  font-weight: 400;
  color: var(--dark);
}

/* ── Service history ──────────────────────────────────────── */
#service {
  background: var(--offwhite);
  padding: 120px 72px;
  border-top: 1px solid var(--border-light);
}

.service-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  align-items: start;
}

.service-left h2 {
  margin: 16px 0 0;
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 200;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--black);
  position: sticky;
  top: 100px;
}

.service-right {
  display: flex;
  flex-direction: column;
}

.service-intro {
  margin-top: 20px;
  font-size: 0.95rem;
  color: var(--gray-mid);
  line-height: 1.6;
}

.service-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.service-list li {
  display: flex;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border-light);
}

.service-list li:first-child {
  border-top: 1px solid var(--border-light);
}

.service-bullet {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  margin-top: 6px;
}

.service-entry {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.service-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--black);
  letter-spacing: 0.01em;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--gray-mid);
  line-height: 1.6;
  margin: 0;
}

/* ── Contact / CTA ────────────────────────────────────────── */
#contact {
  background: var(--navy);
  padding: 120px 72px;
}

.contact-grid {
  max-width: 560px;
}

.contact-left {}

.contact-left h2 {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 200;
  letter-spacing: -0.03em;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 24px;
}

.contact-price-block {
  margin: 40px 0;
  padding: 32px 0;
  border-top: 1px solid rgba(255,255,255,0.12);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.contact-price-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 8px;
}
.contact-price {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 200;
  letter-spacing: -0.04em;
  color: var(--white);
  line-height: 1;
}
.contact-price sup {
  font-size: 0.35em;
  font-weight: 400;
  letter-spacing: 0.1em;
  vertical-align: super;
  color: rgba(255,255,255,0.55);
  margin-right: 4px;
}
.contact-price-note {
  margin-top: 8px;
  font-size: 12px;
  font-weight: 300;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.04em;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-info-row {
  display: flex;
  align-items: center;
  gap: 16px;
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  font-weight: 300;
}
.contact-info-row svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.5;
}
.contact-info-row a {
  color: var(--white);
  text-decoration: none;
}
.contact-info-row a:hover { text-decoration: underline; }



/* ── Footer ───────────────────────────────────────────────── */
#footer {
  background: var(--black);
  padding: 48px 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-dark);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}
.footer-logo svg { width: 28px; height: 28px; opacity: 0.5; }
.footer-logo-text {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
}

.footer-note {
  font-size: 11px;
  font-weight: 300;
  color: rgba(255,255,255,0.2);
  letter-spacing: 0.05em;
}

/* ── Fade-in Animation ────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--transition), transform 0.7s var(--transition);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up-delay-1 { transition-delay: 0.10s; }
.fade-up-delay-2 { transition-delay: 0.20s; }
.fade-up-delay-3 { transition-delay: 0.30s; }
.fade-up-delay-4 { transition-delay: 0.40s; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  #nav { padding: 0 32px; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-mobile { display: block; }

  #hero .hero-content { padding: 0 40px 64px; }
  .hero-scroll { right: 40px; }

  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .stat-item:nth-child(4),
  .stat-item:nth-child(5) { border-top: 1px solid var(--border-light); }

  #about { padding: 80px 40px; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .photo-badge { display: none; }

  #gallery { padding: 80px 40px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item:first-child { grid-column: span 2; grid-row: span 1; }

  #features { padding: 80px 40px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-item:nth-child(n+4) { border-bottom: 1px solid var(--border-light); }
  .feature-item:last-child { border-bottom: none; }

  #specs { padding: 80px 40px; }
  .specs-inner { grid-template-columns: 1fr; gap: 40px; }
  .specs-left h2 { position: static; }

  #service { padding: 80px 40px; }
  .service-inner { grid-template-columns: 1fr; gap: 40px; }
  .service-left h2 { position: static; }

  #contact { padding: 80px 40px; }


  #footer { padding: 36px 40px; flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 640px) {
  #hero .hero-content { padding: 0 24px 56px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(5) { grid-column: span 2; border-top: 1px solid var(--border-light); }
  #about, #gallery, #features, #specs, #service, #contact { padding: 64px 24px; }
  .gallery-grid { grid-template-columns: 1fr; gap: 2px; }
  .gallery-item:first-child { grid-column: span 1; }
  .gallery-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .gallery-note { max-width: 100%; text-align: left; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-item:nth-child(n+4) { border-bottom: 1px solid var(--border-light); }
  .feature-item:last-child { border-bottom: none; }
  .form-row { grid-template-columns: 1fr; }
  #footer { padding: 28px 24px; }
}