/* NordicLev — Apple/Tesla Design System
   ─────────────────────────────────────────
   - Tesla: black hero, full-bleed product, minimal UI, dramatic light
   - Apple: cinematic scroll, sticky-pinned headings, big typography
   - NordicLev: deep navy + maglev green accent, Bergen heritage
*/

:root {
  /* Brand */
  --nl-blue:        #003a91;   /* brochure cover blue */
  --nl-blue-deep:   #00255e;
  --nl-blue-bright: #1a73e8;
  --nl-green:       #4caf50;   /* MAGLEV green accent (brochure-accurate) */
  --nl-green-bright:#66bb6a;
  --nl-green-deep:  #2e7d32;

  /* Neutrals */
  --nl-ink:        #0a0a0c;
  --nl-ink-soft:   #1a1a1f;
  --nl-grey-900:   #18181b;
  --nl-grey-800:   #27272a;
  --nl-grey-700:   #3f3f46;
  --nl-grey-500:   #71717a;
  --nl-grey-300:   #d4d4d8;
  --nl-grey-100:   #f4f4f5;
  --nl-cream:      #f6f5f0;
  --nl-white:      #ffffff;

  /* Type — Apple-style stack with Helvetica Neue fallback */
  --nl-font-display: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --nl-font-body:    'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --nl-font-mono:    'SF Mono', 'JetBrains Mono', ui-monospace, Menlo, monospace;

  /* Type scale — Apple/Tesla aggressive scale */
  --fs-hero:    clamp(56px, 9vw, 132px);
  --fs-display: clamp(40px, 6vw, 88px);
  --fs-h1:      clamp(32px, 4.5vw, 64px);
  --fs-h2:      clamp(24px, 3vw, 40px);
  --fs-h3:      clamp(20px, 2vw, 28px);
  --fs-lead:    clamp(18px, 1.4vw, 24px);
  --fs-body:    17px;
  --fs-small:   14px;
  --fs-micro:   12px;

  /* Spacing */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  16px;
  --sp-4:  24px;
  --sp-5:  32px;
  --sp-6:  48px;
  --sp-7:  64px;
  --sp-8:  96px;
  --sp-9:  128px;
  --sp-10: 192px;

  /* Layout */
  --container:    1280px;
  --container-lg: 1440px;
  --radius-sm:    8px;
  --radius-md:    16px;
  --radius-lg:    24px;
  --radius-pill:  999px;

  /* Motion — fjord-tempo (always slower than instinct) */
  --ease-smooth:  cubic-bezier(0.22, 1, 0.36, 1);
  --ease-glide:   cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast:     200ms;
  --dur-base:     400ms;
  --dur-slow:     700ms;
  --dur-cinema:   1200ms;
}

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

html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--nl-font-body);
  font-size: var(--fs-body);
  line-height: 1.5;
  color: var(--nl-ink);
  background: var(--nl-white);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--dur-fast) var(--ease-smooth); }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }

/* ─────────────────────────────────────────  Type */
.hero-text {
  font-family: var(--nl-font-display);
  font-size: var(--fs-hero);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.04em;
}
.display { font-family: var(--nl-font-display); font-size: var(--fs-display); font-weight: 700; line-height: 1; letter-spacing: -0.03em; }
.h1      { font-family: var(--nl-font-display); font-size: var(--fs-h1); font-weight: 700; line-height: 1.05; letter-spacing: -0.025em; }
.h2      { font-family: var(--nl-font-display); font-size: var(--fs-h2); font-weight: 600; line-height: 1.1; letter-spacing: -0.02em; }
.h3      { font-family: var(--nl-font-display); font-size: var(--fs-h3); font-weight: 600; line-height: 1.2; letter-spacing: -0.01em; }
.lead    { font-size: var(--fs-lead); line-height: 1.5; color: var(--nl-grey-500); font-weight: 400; }

.eyebrow {
  font-family: var(--nl-font-mono);
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--nl-green);
}

/* ─────────────────────────────────────────  Layout */
.container    { max-width: var(--container);    margin-inline: auto; padding-inline: var(--sp-5); }
.container-lg { max-width: var(--container-lg); margin-inline: auto; padding-inline: var(--sp-5); }

.section { padding-block: var(--sp-9); }
.section-tight { padding-block: var(--sp-7); }

/* ─────────────────────────────────────────  Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 64px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--nl-grey-300);
}
.nav-inner {
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--container-lg); margin-inline: auto; padding-inline: var(--sp-5);
}
.nav-logo {
  font-family: var(--nl-font-display); font-weight: 700; font-size: 18px; letter-spacing: 0.08em; color: var(--nl-ink);
}
.nav-menu {
  display: flex; gap: var(--sp-6); list-style: none;
}
.nav-menu a {
  color: var(--nl-grey-700); font-size: 14px; font-weight: 500; transition: color var(--dur-fast) var(--ease-smooth);
}
.nav-menu a:hover { color: var(--nl-green-deep); }
.nav-cta {
  background: var(--nl-ink); color: var(--nl-white);
  padding: 8px 16px; border-radius: var(--radius-pill); font-size: 13px; font-weight: 600;
  transition: background var(--dur-fast) var(--ease-smooth), transform var(--dur-fast) var(--ease-smooth);
}
.nav-cta:hover { background: var(--nl-green-deep); color: var(--nl-white); transform: translateY(-1px); }

/* Hamburger button — hidden by default, shown on mobile */
.nav-burger {
  display: none;
  width: 36px; height: 36px;
  border: 1px solid var(--nl-grey-300);
  border-radius: var(--radius-sm);
  background: var(--nl-white);
  align-items: center; justify-content: center;
  cursor: pointer;
  padding: 0;
  margin-left: 8px;
}
.nav-burger svg { color: var(--nl-ink); }
.nav-burger:hover { border-color: var(--nl-ink); }

/* Mobile menu panel — hidden by default */
.nav-mobile {
  display: none;
  position: fixed; top: 64px; left: 0; right: 0;
  background: var(--nl-white);
  border-bottom: 1px solid var(--nl-grey-300);
  padding: var(--sp-3) var(--sp-4) var(--sp-5);
  box-shadow: 0 24px 48px -16px rgba(0,0,0,0.12);
  z-index: 99;
}
.nav-mobile.open { display: block; }
.nav-mobile ul {
  list-style: none;
  display: flex; flex-direction: column; gap: 4px;
}
.nav-mobile a {
  display: block;
  padding: 14px 16px;
  font-size: 16px; font-weight: 500;
  color: var(--nl-ink);
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease-smooth);
}
.nav-mobile a:hover, .nav-mobile a:focus {
  background: var(--nl-grey-100);
  color: var(--nl-green-deep);
}
.nav-mobile .nav-mobile-cta {
  margin-top: var(--sp-3);
  background: var(--nl-ink);
  color: var(--nl-white);
  text-align: center;
  padding: 14px;
  border-radius: var(--radius-pill);
  font-weight: 600;
}
.nav-mobile .nav-mobile-cta:hover { background: var(--nl-green-deep); color: var(--nl-white); }

@media (max-width: 960px) {
  .nav-menu { display: none; }
  .nav-cta { display: none; }
  .nav-burger { display: inline-flex; }
}

/* ─────────────────────────────────────────  Hero — Tesla-black, sticky Apple-style */
.hero {
  position: relative;
  min-height: 960px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.45) 55%, var(--nl-white) 100%),
    linear-gradient(180deg, rgba(255,255,255,0.20) 0%, rgba(255,255,255,0.10) 40%, rgba(255,255,255,0.55) 100%),
    url('../img/fjord-hero.jpg') center top / cover no-repeat,
    var(--nl-cream);
  color: var(--nl-ink);
  overflow: hidden;
  isolation: isolate;
  padding-top: 96px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-sticky {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
}
.hero-content {
  position: relative; z-index: 2;
  text-align: center; padding: var(--sp-7) var(--sp-5);
  max-width: 1200px;
}
.hero-eyebrow {
  display: inline-block; margin-bottom: var(--sp-4);
  font-family: var(--nl-font-mono); font-size: var(--fs-micro); font-weight: 500;
  letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--nl-green-deep);
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(46, 125, 50, 0.25); border-radius: var(--radius-pill);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
}
.hero h1 {
  font-family: var(--nl-font-display); font-weight: 700;
  font-size: var(--fs-hero); line-height: 0.92; letter-spacing: -0.04em;
  margin-bottom: var(--sp-5);
  color: var(--nl-ink);
  text-shadow: 0 2px 24px rgba(255, 255, 255, 0.6);
}
.hero h1 .accent { color: var(--nl-green-deep); }
.hero-lead {
  font-size: var(--fs-lead); line-height: 1.45;
  color: var(--nl-grey-700);
  max-width: 720px; margin: 0 auto var(--sp-6);
  text-shadow: 0 1px 12px rgba(255, 255, 255, 0.7);
}
.hero-cta-group { display: flex; gap: var(--sp-3); justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius-pill);
  font-size: 15px; font-weight: 600; letter-spacing: 0.01em;
  transition: all var(--dur-base) var(--ease-smooth);
}
.btn-primary {
  background: var(--nl-white); color: var(--nl-ink);
}
.btn-primary:hover { background: var(--nl-green-bright); color: var(--nl-white); transform: translateY(-2px); box-shadow: 0 12px 32px -8px rgba(76, 175, 80, 0.4); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.78); color: var(--nl-ink);
  border: 1px solid var(--nl-grey-300);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
}
.btn-ghost:hover { background: var(--nl-white); border-color: var(--nl-ink); }

.hero-lineup {
  position: relative;
  z-index: 1;
  width: 96%; max-width: 1600px;
  margin-top: var(--sp-5);
  pointer-events: none;
  transition: transform var(--dur-slow) var(--ease-glide);
}
.hero-lineup img {
  width: 100%;
  filter: drop-shadow(0 40px 80px rgba(0, 0, 0, 0.6)) drop-shadow(0 0 80px rgba(76, 175, 80, 0.18));
  transform-origin: center bottom;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-inline: var(--sp-5);
  max-width: 1200px;
  transition: opacity var(--dur-slow) var(--ease-glide);
}

/* ─────────────────────────────────────────  Stats strip */
.stats {
  background: var(--nl-cream);
  color: var(--nl-ink);
  padding: var(--sp-7) 0;
  border-top: 1px solid var(--nl-grey-300);
  border-bottom: 1px solid var(--nl-grey-300);
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
  text-align: center;
}
.stat-num {
  font-family: var(--nl-font-display);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 700; line-height: 1; letter-spacing: -0.03em;
  color: var(--nl-green-bright);
  margin-bottom: var(--sp-2);
}
.stat-label {
  font-size: 14px; color: var(--nl-grey-500);
  letter-spacing: 0.02em;
}

/* ─────────────────────────────────────────  Section heading + CTA helpers */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--sp-7);
}
.section-head h2 { margin-block: var(--sp-3); }
.section-head .lead { color: var(--nl-grey-500); }
.industries .section-head .lead,
.industries-head .lead,
.cta-band .section-head .lead,
.tech .section-head .lead { color: var(--nl-grey-500); }
.industries .section-head .lead { color: rgba(255,255,255,0.7); }
.section-cta { text-align: center; margin-top: var(--sp-7); }

/* ─────────────────────────────────────────  Product teaser grid */
.product-teasers {
  padding: var(--sp-9) 0;
  background: var(--nl-white);
}
.teaser-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
  max-width: var(--container-lg);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}
.teaser {
  display: flex; flex-direction: column;
  background: var(--nl-grey-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: var(--nl-ink);
  transition: transform var(--dur-base) var(--ease-smooth), box-shadow var(--dur-base) var(--ease-smooth);
  border: 1px solid transparent;
}
.teaser:hover {
  transform: translateY(-4px);
  box-shadow: 0 32px 64px -20px rgba(0, 0, 0, 0.15);
  border-color: var(--nl-green);
}
.teaser-image {
  background: linear-gradient(180deg, var(--nl-grey-100) 0%, #ffffff 100%);
  padding: var(--sp-6) var(--sp-5);
  display: grid; place-items: center;
  height: 280px;
}
.teaser-image img {
  max-width: 100%; max-height: 100%; object-fit: contain;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.10));
  transition: transform var(--dur-slow) var(--ease-glide);
}
.teaser:hover .teaser-image img { transform: scale(1.04); }
.teaser-body {
  padding: var(--sp-5);
  background: var(--nl-white);
  border-top: 1px solid var(--nl-grey-100);
}
.teaser-eyebrow {
  font-family: var(--nl-font-mono);
  font-size: var(--fs-micro);
  font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--nl-green-deep);
  display: block; margin-bottom: var(--sp-2);
}
.teaser-body h3 {
  font-family: var(--nl-font-display);
  font-size: 22px; font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.teaser-body p {
  font-size: 14px; line-height: 1.5;
  color: var(--nl-grey-500);
  margin-bottom: var(--sp-3);
}
.teaser-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 600; color: var(--nl-green-deep);
  transition: gap var(--dur-fast) var(--ease-smooth);
}
.teaser:hover .teaser-arrow { gap: 12px; }

.btn-ghost-dark {
  background: transparent; color: var(--nl-ink);
  border: 1px solid var(--nl-grey-300);
}
.btn-ghost-dark:hover {
  background: var(--nl-ink); color: var(--nl-white); border-color: var(--nl-ink);
}

/* ─────────────────────────────────────────  Product showcase — Apple-style alternating sections (legacy, used on product pages) */
.product-section {
  padding: var(--sp-10) 0;
  position: relative;
}
.product-section + .product-section { border-top: 1px solid var(--nl-grey-100); }

.product-section.dark {
  background: var(--nl-ink);
  color: var(--nl-white);
}
.product-section.dark + .product-section { border-top: 0; }

.product-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--sp-8); align-items: center;
  max-width: var(--container-lg); margin-inline: auto; padding-inline: var(--sp-5);
}
.product-grid.reverse { direction: rtl; }
.product-grid.reverse > * { direction: ltr; }

.product-copy h2 {
  font-family: var(--nl-font-display);
  font-size: var(--fs-display); font-weight: 700;
  line-height: 1; letter-spacing: -0.03em;
  margin-block: var(--sp-3) var(--sp-4);
}
.product-copy .eyebrow {
  display: inline-block; margin-bottom: var(--sp-2);
}
.product-section.dark .eyebrow { color: var(--nl-green-bright); }
.product-copy p {
  font-size: var(--fs-lead); line-height: 1.55;
  color: var(--nl-grey-500); max-width: 540px; margin-bottom: var(--sp-5);
}
.product-section.dark .product-copy p { color: rgba(255, 255, 255, 0.7); }

.spec-row { display: flex; gap: var(--sp-6); flex-wrap: wrap; margin-bottom: var(--sp-5); }
.spec-row .spec { }
.spec-num {
  font-family: var(--nl-font-display); font-size: 36px; font-weight: 700;
  line-height: 1; letter-spacing: -0.02em; color: var(--nl-green-deep);
}
.product-section.dark .spec-num { color: var(--nl-green-bright); }
.spec-label { font-size: 13px; color: var(--nl-grey-500); margin-top: 4px; letter-spacing: 0.02em; }
.product-section.dark .spec-label { color: rgba(255, 255, 255, 0.5); }

.product-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 15px; font-weight: 600; color: var(--nl-green-deep);
  border-bottom: 1px solid currentColor; padding-bottom: 2px;
  transition: gap var(--dur-fast) var(--ease-smooth);
}
.product-section.dark .product-link { color: var(--nl-green-bright); }
.product-link:hover { gap: 12px; }

.product-visual {
  position: relative;
  display: grid; place-items: center;
  min-height: 480px;
}
.product-visual img {
  max-width: 100%; max-height: 560px; object-fit: contain;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.15));
}
.product-section.dark .product-visual img {
  filter: drop-shadow(0 30px 80px rgba(0, 0, 0, 0.6));
}

/* ─────────────────────────────────────────  Technology section — sticky Apple */
.tech {
  background: linear-gradient(180deg, var(--nl-grey-100) 0%, var(--nl-white) 100%);
  padding: var(--sp-10) 0;
}
.tech-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5);
  max-width: var(--container); margin-inline: auto; padding-inline: var(--sp-5);
  margin-top: var(--sp-7);
}
.tech-card {
  background: var(--nl-white);
  border-radius: var(--radius-lg);
  padding: var(--sp-6) var(--sp-5);
  border: 1px solid var(--nl-grey-100);
  transition: transform var(--dur-base) var(--ease-smooth), box-shadow var(--dur-base) var(--ease-smooth);
}
.tech-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 32px 64px -16px rgba(0, 58, 145, 0.12);
}
.tech-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(135deg, var(--nl-green) 0%, var(--nl-blue-bright) 100%);
  display: grid; place-items: center;
  margin-bottom: var(--sp-4);
  color: var(--nl-white);
  box-shadow: 0 8px 24px -6px rgba(0, 58, 145, 0.35);
}
.tech-icon svg { width: 26px; height: 26px; }
.tech-card h3 { font-size: 22px; font-weight: 600; margin-bottom: var(--sp-2); letter-spacing: -0.01em; }
.tech-card p { font-size: 15px; line-height: 1.55; color: var(--nl-grey-500); }

/* ─────────────────────────────────────────  Industries strip */
.industries {
  background: var(--nl-cream);
  color: var(--nl-ink);
  padding: var(--sp-9) 0;
}
.industries-head { text-align: center; margin-bottom: var(--sp-7); }
.industries-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--sp-3);
  max-width: var(--container-lg); margin-inline: auto; padding-inline: var(--sp-5);
}
.industry {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  padding: var(--sp-5) var(--sp-3);
  background: var(--nl-white);
  border: 1px solid var(--nl-grey-300);
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--nl-grey-700);
  transition: all var(--dur-base) var(--ease-smooth);
  text-decoration: none;
}
.industry svg { color: var(--nl-green-deep); transition: transform var(--dur-base) var(--ease-smooth); }
.industry:hover {
  border-color: var(--nl-green);
  background: rgba(76, 175, 80, 0.04);
  color: var(--nl-ink);
  transform: translateY(-3px);
  box-shadow: 0 18px 36px -16px rgba(0, 0, 0, 0.12);
}
.industry:hover svg { transform: scale(1.08); }
.industry-name { font-size: 13px; font-weight: 500; }

/* ─────────────────────────────────────────  CTA */
.cta-band {
  background: linear-gradient(135deg, var(--nl-blue-deep) 0%, var(--nl-blue) 60%, var(--nl-green-deep) 100%);
  color: var(--nl-white);
  padding: var(--sp-10) 0;
  text-align: center;
}
.cta-band h2 { font-size: var(--fs-display); font-weight: 700; line-height: 1; letter-spacing: -0.03em; margin-bottom: var(--sp-4); }
.cta-band p { font-size: var(--fs-lead); color: rgba(255, 255, 255, 0.8); max-width: 640px; margin: 0 auto var(--sp-6); }

/* ─────────────────────────────────────────  Footer — light, Bergen-warm */
.footer {
  background: var(--nl-cream);
  color: var(--nl-grey-700);
  padding: var(--sp-8) 0 var(--sp-5);
  font-size: 14px;
  border-top: 1px solid var(--nl-grey-300);
}
.footer-bergen {
  position: relative;
  max-width: var(--container-lg);
  margin: 0 auto var(--sp-7);
  padding-inline: var(--sp-5);
}
.footer-bergen-photo {
  width: 100%; height: 240px;
  background: url('../img/bergen-harbour.jpg') center 60% / cover no-repeat;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.footer-bergen-photo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.05) 0%, rgba(0,0,0,0.35) 100%);
}
.footer-bergen-label {
  position: absolute; left: var(--sp-7); bottom: var(--sp-5);
  z-index: 2;
  color: var(--nl-white);
  font-family: var(--nl-font-display); font-size: 22px; font-weight: 600;
  letter-spacing: -0.01em;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-6);
  max-width: var(--container-lg); margin-inline: auto; padding-inline: var(--sp-5);
  margin-bottom: var(--sp-6);
}
.footer h4 { font-size: 13px; color: var(--nl-ink); font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: var(--sp-3); }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 8px; }
.footer ul a { font-size: 14px; color: var(--nl-grey-700); transition: color var(--dur-fast) var(--ease-smooth); }
.footer ul a:hover { color: var(--nl-green-deep); }
.footer-brand { font-family: var(--nl-font-display); font-weight: 700; font-size: 24px; color: var(--nl-ink); letter-spacing: 0.06em; margin-bottom: var(--sp-3); }
.footer-tag { max-width: 320px; line-height: 1.55; color: var(--nl-grey-700); }
.footer-bottom {
  border-top: 1px solid var(--nl-grey-300);
  padding-top: var(--sp-4);
  max-width: var(--container-lg); margin-inline: auto; padding-inline: var(--sp-5);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-3);
  font-size: 13px;
  color: var(--nl-grey-500);
}

/* ─────────────────────────────────────────  Reveal animation (Apple scroll-driven) */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity var(--dur-cinema) var(--ease-smooth), transform var(--dur-cinema) var(--ease-smooth);
  }
  .reveal.in { opacity: 1; transform: translateY(0); }
}

/* ─────────────────────────────────────────  Responsive */
@media (max-width: 960px) {
  .nav-menu { display: none; }
  .product-grid { grid-template-columns: 1fr; gap: var(--sp-6); }
  .product-grid.reverse { direction: ltr; }
  .tech-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-6); }
  .industries-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .stats-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────  PRODUCT PAGE STYLES */
/* Breadcrumb */
.breadcrumb {
  padding: calc(64px + var(--sp-5)) 0 var(--sp-4);
  background: var(--nl-grey-100);
  font-size: 13px;
  color: var(--nl-grey-500);
}
.breadcrumb-inner {
  max-width: var(--container-lg);
  margin-inline: auto;
  padding-inline: var(--sp-5);
  display: flex; align-items: center; gap: 8px;
}
.breadcrumb a { color: var(--nl-grey-500); text-decoration: none; }
.breadcrumb a:hover { color: var(--nl-green-deep); }
.breadcrumb .sep { color: var(--nl-grey-300); }

/* Product page hero */
.product-hero {
  background: var(--nl-grey-100);
  padding: var(--sp-7) 0 var(--sp-9);
  border-bottom: 1px solid var(--nl-grey-300);
}
.product-hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--sp-7); align-items: center;
  max-width: var(--container-lg);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}
.product-hero-copy .eyebrow { margin-bottom: var(--sp-3); display: inline-block; }
.product-hero-copy h1 {
  font-family: var(--nl-font-display);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 700;
  line-height: 1; letter-spacing: -0.03em;
  margin-bottom: var(--sp-4);
}
.product-hero-copy .lead {
  font-size: var(--fs-lead); line-height: 1.5;
  color: var(--nl-grey-500);
  margin-bottom: var(--sp-5);
}
.product-hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--nl-grey-300);
}
.product-hero-stats .stat-num {
  font-size: 28px;
  color: var(--nl-green-deep);
}
.product-hero-stats .stat-label {
  font-size: 12px;
  color: var(--nl-grey-500);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.product-hero-visual {
  display: grid; place-items: center;
}
.product-hero-visual img {
  max-width: 100%; max-height: 600px; object-fit: contain;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.15));
}

/* Section: full spec / comparison tables */
.product-tables {
  padding: var(--sp-9) 0;
  background: var(--nl-white);
}
.product-tables h2 {
  font-family: var(--nl-font-display);
  font-size: var(--fs-h2); font-weight: 700;
  margin-bottom: var(--sp-2); letter-spacing: -0.02em;
}
.product-tables .table-intro {
  color: var(--nl-grey-500);
  margin-bottom: var(--sp-5);
  font-size: var(--fs-lead);
}
.spec-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--nl-grey-100);
  margin-bottom: var(--sp-7);
}
.spec-table {
  width: 100%; border-collapse: collapse;
  font-size: 14px;
}
.spec-table th, .spec-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--nl-grey-100);
}
.spec-table thead {
  background: var(--nl-grey-100);
}
.spec-table thead th {
  font-weight: 600;
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--nl-grey-700);
  border-bottom: 1px solid var(--nl-grey-300);
}
.spec-table tbody tr:hover { background: rgba(76, 175, 80, 0.04); }
.spec-table tbody td:first-child {
  font-weight: 600; color: var(--nl-ink);
}
.spec-table .highlight {
  background: rgba(76, 175, 80, 0.08) !important;
  color: var(--nl-green-deep);
  font-weight: 600;
}

/* Section: applications */
.product-applications {
  padding: var(--sp-9) 0;
  background: var(--nl-grey-100);
}
.applications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--sp-3);
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--sp-5);
  margin-top: var(--sp-5);
}
.application-tag {
  background: var(--nl-white);
  border: 1px solid var(--nl-grey-300);
  border-radius: var(--radius-pill);
  padding: 12px 20px;
  text-align: center;
  font-size: 14px; font-weight: 500;
  color: var(--nl-ink);
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease-smooth);
}
.application-tag:hover {
  border-color: var(--nl-green);
  background: rgba(76, 175, 80, 0.06);
  color: var(--nl-green-deep);
}

/* Section: related products */
.related-products {
  padding: var(--sp-9) 0;
  background: var(--nl-white);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-3);
  max-width: var(--container-lg);
  margin-inline: auto;
  padding-inline: var(--sp-5);
  margin-top: var(--sp-5);
}
.related-card {
  display: flex; flex-direction: column;
  background: var(--nl-grey-100);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-decoration: none;
  transition: transform var(--dur-base) var(--ease-smooth);
}
.related-card:hover { transform: translateY(-3px); }
.related-card .related-img {
  background: var(--nl-white);
  padding: var(--sp-3);
  display: grid; place-items: center;
  height: 140px;
}
.related-card .related-img img {
  max-width: 100%; max-height: 100%; object-fit: contain;
}
.related-card .related-name {
  padding: var(--sp-3);
  font-size: 13px; font-weight: 600;
  color: var(--nl-ink);
  text-align: center;
  border-top: 1px solid var(--nl-grey-300);
}

@media (max-width: 960px) {
  .product-hero-grid { grid-template-columns: 1fr; }
  .product-hero-stats { grid-template-columns: 1fr 1fr; }
  .teaser-grid { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 540px) {
  .teaser-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; }
}

/* ─────────────────────────────────────────  Use-case grid (industry pages) */
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
}
.usecase-card {
  background: var(--nl-grey-100);
  border-radius: var(--radius-md);
  padding: var(--sp-5);
  border-left: 3px solid var(--nl-green);
}
.usecase-card h3 {
  font-size: 18px; font-weight: 600;
  margin-bottom: var(--sp-2);
  letter-spacing: -0.01em;
}
.usecase-card p {
  font-size: 15px; line-height: 1.5;
  color: var(--nl-grey-700);
}
@media (max-width: 720px) {
  .usecase-grid { grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────  Contact page */
.contact-blocks {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
  margin-top: var(--sp-5);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--nl-grey-300);
}
.contact-block h3 {
  font-family: var(--nl-font-mono);
  font-size: var(--fs-micro); font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--nl-green-deep);
  margin-bottom: 8px;
}
.contact-block p {
  font-size: 15px; line-height: 1.5;
  color: var(--nl-ink);
}
.contact-block a { color: var(--nl-ink); }
.contact-block a:hover { color: var(--nl-green-deep); }

.contact-form {
  background: var(--nl-white);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  border: 1px solid var(--nl-grey-300);
  width: 100%;
  display: flex; flex-direction: column; gap: var(--sp-3);
}
.contact-form h3 {
  font-family: var(--nl-font-display);
  font-size: 22px; font-weight: 600;
  margin-bottom: var(--sp-3);
}
.contact-form label {
  display: flex; flex-direction: column;
  gap: 4px;
  font-size: 13px; font-weight: 500;
  color: var(--nl-grey-700);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  padding: 10px 12px;
  border: 1px solid var(--nl-grey-300);
  border-radius: var(--radius-sm);
  font-family: inherit; font-size: 15px;
  background: var(--nl-white); color: var(--nl-ink);
  transition: border-color var(--dur-fast) var(--ease-smooth);
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--nl-green);
}
.contact-form button {
  margin-top: var(--sp-3);
  align-self: flex-start;
}

@media (max-width: 720px) {
  .contact-blocks { grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────  Product FAQ */
.product-faq {
  padding: var(--sp-9) 0;
  background: var(--nl-cream);
  border-top: 1px solid var(--nl-grey-300);
}
.faq-list {
  max-width: 880px;
  margin-inline: auto;
  padding-inline: var(--sp-5);
  margin-top: var(--sp-5);
  display: flex; flex-direction: column; gap: var(--sp-3);
}
.faq-item {
  background: var(--nl-white);
  border: 1px solid var(--nl-grey-300);
  border-radius: var(--radius-md);
  padding: var(--sp-4) var(--sp-5);
  transition: border-color var(--dur-fast) var(--ease-smooth);
}
.faq-item[open] { border-color: var(--nl-green); }
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.005em;
  list-style: none;
  display: flex; justify-content: space-between; align-items: flex-start; gap: var(--sp-3);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  color: var(--nl-green-deep);
  font-size: 24px; line-height: 1;
  transition: transform var(--dur-fast) var(--ease-smooth);
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p {
  margin-top: var(--sp-3);
  font-size: 15px; line-height: 1.6;
  color: var(--nl-grey-700);
}