/* ============================================================
   SEOEUN PLANT TECH — Design System
   Deep navy + steel · Archivo grotesk · IBM Plex Mono
   Mobile-first, responsive, accessible
   ============================================================ */

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

:root {
  /* Ink / Navy */
  --ink:        #0c1a2b;
  --navy-900:   #07101c;
  --navy-850:   #0a1726;
  --navy-800:   #0e2034;
  --navy-700:   #143150;
  --navy-600:   #1c4068;

  /* Accent — engineering blue */
  --accent:     #1f6feb;
  --accent-600: #1858c4;
  --accent-300: #7aa8f0;
  --cyan:       #3fbaf0;

  /* Steel neutrals */
  --steel:      #56697f;
  --steel-2:    #7c8da1;
  --steel-3:    #aab6c4;

  /* Light surfaces */
  --bg:         #f4f6f9;
  --bg-2:       #e9edf2;
  --surface:    #ffffff;

  /* Text */
  --text-1:     #0c1a2b;
  --text-2:     #45586c;
  --text-3:     #82909f;

  /* Lines */
  --border:     rgba(12, 26, 43, 0.12);
  --hair:       rgba(12, 26, 43, 0.07);

  /* On-dark */
  --on-dark-1:  rgba(255,255,255,0.95);
  --on-dark-2:  rgba(255,255,255,0.62);
  --on-dark-3:  rgba(255,255,255,0.40);
  --on-dark-line: rgba(255,255,255,0.12);

  /* Fonts */
  --font-sans: 'Archivo', 'Noto Sans KR', 'Noto Sans SC', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Space Mono', ui-monospace, monospace;

  /* Shape */
  --radius: 4px;
  --shadow-sm: 0 1px 2px rgba(12,26,43,0.06), 0 1px 3px rgba(12,26,43,0.05);
  --shadow-md: 0 8px 30px rgba(12,26,43,0.08), 0 2px 8px rgba(12,26,43,0.05);
  --shadow-lg: 0 24px 60px rgba(8,16,28,0.16);

  /* Layout */
  --maxw: 1280px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --section-y: clamp(4.5rem, 9vw, 8.5rem);
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

::selection { background: var(--accent); color: #fff; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--steel-3); border-radius: 6px; border: 2px solid var(--bg-2); }
::-webkit-scrollbar-thumb:hover { background: var(--steel-2); }

/* ============================================================
   TYPE UTILITIES
   ============================================================ */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}
.eyebrow::before {
  content: '';
  width: 26px; height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}
.eyebrow.on-dark { color: var(--cyan); }
.eyebrow.on-dark::before { background: var(--cyan); }
.eyebrow.center { justify-content: center; }

.display {
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.02;
  font-size: clamp(2.4rem, 6vw, 5rem);
  color: var(--text-1);
}
.h-sec {
  font-weight: 750;
  letter-spacing: -0.02em;
  line-height: 1.08;
  font-size: clamp(1.9rem, 4.2vw, 3.3rem);
  color: var(--text-1);
  text-wrap: balance;
}
.h-sec.on-dark { color: #fff; }
.lead {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--text-2);
  font-weight: 400;
  line-height: 1.75;
  max-width: 60ch;
  text-wrap: pretty;
}
.lead.on-dark { color: var(--on-dark-2); }
.accent-txt { color: var(--accent); }

/* ============================================================
   LAYOUT
   ============================================================ */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); position: relative; }
.section--tight { padding-block: clamp(3rem, 6vw, 5.5rem); }
.sec-head { max-width: 46rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.sec-head .eyebrow { margin-bottom: 1.1rem; }
.sec-head .lead { margin-top: 1.25rem; }

.panel-dark { background: var(--navy-850); color: var(--on-dark-1); }
.panel-alt  { background: var(--bg-2); }
.panel-line-top { border-top: 1px solid var(--hair); }

/* ============================================================
   REVEAL (subtle, professional)
   ============================================================ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1); }
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: .07s; } .d2 { transition-delay: .14s; }
.d3 { transition-delay: .21s; } .d4 { transition-delay: .28s; }
.d5 { transition-delay: .35s; } .d6 { transition-delay: .42s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-sans); font-weight: 600; font-size: 0.92rem;
  padding: 0.85rem 1.5rem; border: 1px solid transparent;
  text-decoration: none; cursor: pointer; transition: all .2s ease;
  border-radius: var(--radius); white-space: nowrap; line-height: 1;
}
.btn svg { width: 1.05em; height: 1.05em; }
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-600); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--ghost { background: transparent; color: var(--text-1); border-color: var(--border); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--on-dark { background: #fff; color: var(--navy-850); }
.btn--on-dark:hover { background: var(--accent); color: #fff; transform: translateY(-1px); }
.btn--ghost-dark { background: transparent; color: #fff; border-color: var(--on-dark-line); }
.btn--ghost-dark:hover { border-color: #fff; background: rgba(255,255,255,0.06); }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 1000;
  height: 72px; display: flex; align-items: center;
  transition: background .35s ease, box-shadow .35s ease, height .35s ease, border-color .35s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(255,255,255,0.86);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  box-shadow: 0 1px 0 rgba(12,26,43,0.06);
  border-bottom-color: var(--hair);
  height: 64px;
}
.nav-inner { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); display: flex; align-items: center; gap: 1.5rem; }
.nav-logo { flex-shrink: 0; display: flex; align-items: center; }
.nav-logo img { height: 34px; width: auto; }
.nav-links { list-style: none; display: flex; align-items: center; gap: 0.2rem; margin-left: auto; }
.nav-links a {
  font-size: 0.85rem; font-weight: 500; color: var(--text-2);
  text-decoration: none; padding: 0.55rem 0.85rem; border-radius: var(--radius);
  transition: color .2s, background .2s; white-space: nowrap; position: relative;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a.active { color: var(--accent); }
.nav-links a.active::after { content: ''; position: absolute; left: 0.85rem; right: 0.85rem; bottom: 0.2rem; height: 2px; background: var(--accent); border-radius: 2px; }
.nav-right { display: flex; align-items: center; gap: 0.6rem; flex-shrink: 0; margin-left: auto; }

/* language switch */
.lang { display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.lang a {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 500; letter-spacing: 0.06em;
  padding: 0.42rem 0.6rem; text-decoration: none; color: var(--text-3);
  transition: background .2s, color .2s; line-height: 1;
}
.lang a + a { border-left: 1px solid var(--border); }
.lang a:hover { color: var(--accent); }
.lang a.active { background: var(--navy-850); color: #fff; }

.nav-cta { padding: 0.55rem 1.1rem; font-size: 0.85rem; }

.hamburger {
  display: none; flex-direction: column; align-items: flex-end; justify-content: center; gap: 6px;
  background: rgba(127,184,235,0.1); border: 1px solid rgba(127,184,235,0.28); border-radius: 6px;
  cursor: pointer; padding: 11px 12px; margin: 0; transition: background .25s, border-color .25s;
}
.hamburger span { display: block; height: 2.5px; border-radius: 2px; background: #fff; box-shadow: 0 0 6px rgba(0,0,0,0.25); transition: transform .3s, opacity .3s, width .25s, background-color .25s; }
.hamburger span:nth-child(1) { width: 24px; }
.hamburger span:nth-child(2) { width: 18px; }
.hamburger span:nth-child(3) { width: 24px; }
.hamburger:hover { background: rgba(127,184,235,0.18); border-color: var(--cyan); }
.nav.scrolled .hamburger { background: rgba(31,111,235,0.08); border-color: var(--border); }
.nav.scrolled .hamburger span { background: var(--navy-850); box-shadow: none; }
.nav.scrolled .hamburger:hover { background: rgba(31,111,235,0.14); border-color: var(--accent); }
.hamburger.open span:nth-child(1) { width: 24px; transform: translateY(8.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { width: 24px; transform: translateY(-8.5px) rotate(-45deg); }

/* mobile drawer */
.drawer {
  position: fixed; inset: 0; z-index: 999; background: var(--navy-850);
  display: flex; flex-direction: column; padding: 6rem var(--gutter) 2.5rem;
  transform: translateX(100%); transition: transform .4s cubic-bezier(.5,0,.2,1);
  visibility: hidden;
}
.drawer.open { transform: none; visibility: visible; }
.drawer a.drawer-link {
  font-size: 1.4rem; font-weight: 650; color: #fff; text-decoration: none;
  padding: 0.85rem 0; border-bottom: 1px solid var(--on-dark-line); display: flex; align-items: center; justify-content: space-between;
}
.drawer a.drawer-link span { font-family: var(--font-mono); font-size: 0.7rem; color: var(--on-dark-3); }
.drawer-foot { margin-top: auto; display: flex; flex-direction: column; gap: 1rem; }
.drawer-lang { display: flex; gap: 0.5rem; }
.drawer-lang a { font-family: var(--font-mono); font-size: 0.78rem; color: var(--on-dark-2); border: 1px solid var(--on-dark-line); padding: 0.5rem 0.9rem; border-radius: var(--radius); text-decoration: none; }
.drawer-lang a.active { background: #fff; color: var(--navy-850); }

@media (max-width: 1080px) {
  .nav-links a { padding: 0.5rem 0.6rem; font-size: 0.8rem; }
}
@media (max-width: 920px) {
  .nav-links, .nav-right .nav-cta { display: none; }
  .hamburger { display: flex; flex-shrink: 0; }
  .nav-right { gap: 0.5rem; flex-shrink: 1; min-width: 0; }
  .lang { flex-shrink: 1; min-width: 0; }
  .lang a { padding: 0.4rem 0.5rem; font-size: 0.66rem; }
}
@media (max-width: 430px) {
  .nav-inner { gap: 0.4rem; }
  .nav-logo img { height: 24px; }
  .nav-right { gap: 0.28rem; }
  .lang a { padding: 0.26rem 0.28rem; font-size: 0.52rem; letter-spacing: 0.01em; }
  .hamburger { padding: 8px 9px; gap: 5px; }
  .hamburger span:nth-child(1), .hamburger span:nth-child(3) { width: 18px; }
  .hamburger span:nth-child(2) { width: 14px; }
  .hamburger.open span:nth-child(1), .hamburger.open span:nth-child(3) { width: 18px; }
}
@media (max-width: 360px) {
  .nav-inner { gap: 0.3rem; }
  .lang a { padding: 0.22rem 0.22rem; font-size: 0.46rem; letter-spacing: 0; }
  .nav-right { gap: 0.22rem; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  background: var(--navy-900); color: #fff; overflow: hidden;
  padding-top: 72px;
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; opacity: 0.9; }
.hero::after { /* vignette + depth */
  content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(120% 90% at 78% 15%, rgba(31,111,235,0.18), transparent 55%),
    linear-gradient(180deg, rgba(7,16,28,0.2), rgba(7,16,28,0.55));
}
.hero-inner { position: relative; z-index: 2; width: 100%; max-width: var(--maxw); margin: 0 auto; padding: clamp(2rem,5vw,4rem) var(--gutter); }
.hero-grid { display: grid; grid-template-columns: minmax(0,1fr); gap: 3rem; align-items: end; }

.hero-eyebrow { margin-bottom: 1.6rem; }
.hero h1 {
  font-weight: 800; letter-spacing: -0.025em; line-height: 0.98;
  font-size: clamp(2.7rem, 7.5vw, 6.2rem); text-transform: uppercase;
  color: #fff;
}
.hero h1 .blue { color: var(--cyan); display: inline-block; }
.hero-sub { margin-top: 1.5rem; font-size: clamp(1.05rem, 2.1vw, 1.5rem); font-weight: 600; color: var(--on-dark-1); letter-spacing: -0.01em; }
.hero-desc { margin-top: 1.1rem; font-size: clamp(0.92rem, 1.3vw, 1.05rem); color: var(--on-dark-2); max-width: 54ch; line-height: 1.7; }
.hero-desc strong { color: var(--on-dark-1); font-weight: 600; }

.hero-badges { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 2rem; }
.hero-badge {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em;
  padding: 0.5rem 0.9rem; border: 1px solid var(--on-dark-line); border-radius: var(--radius);
  color: var(--on-dark-1); background: rgba(255,255,255,0.03); transition: all .2s;
}
.hero-badge:hover { border-color: var(--cyan); color: var(--cyan); }

.hero-cta { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2.4rem; }

/* hero stat rail */
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--on-dark-line); margin-top: clamp(2.5rem,5vw,4rem); padding-top: 2rem;
}
.hero-stat { padding-right: 1.5rem; }
.hero-stat + .hero-stat { border-left: 1px solid var(--on-dark-line); padding-left: 1.5rem; }
.hero-stat-num { font-weight: 800; font-size: clamp(1.8rem, 3.5vw, 2.9rem); letter-spacing: -0.02em; color: #fff; display: flex; align-items: baseline; gap: 2px; line-height: 1; }
.hero-stat-num .u { font-size: 0.5em; font-weight: 600; color: var(--cyan); }
.hero-stat-label { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-dark-2); margin-top: 0.6rem; line-height: 1.4; }

.scroll-hint { position: absolute; bottom: 1.6rem; left: 50%; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }
.scroll-hint span { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.2em; color: var(--on-dark-3); text-transform: uppercase; }
.scroll-hint i { display: block; width: 1px; height: 32px; background: linear-gradient(var(--cyan), transparent); animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine { 0%,100%{ transform: scaleY(0.4); opacity:.4; transform-origin: top; } 50%{ transform: scaleY(1); opacity:1; } }

@media (max-width: 720px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 1.6rem 0; border-top: none; }
  .hero-stat { padding: 0 1rem; border-left: 1px solid var(--on-dark-line); }
  .hero-stat:nth-child(1) { border-left: none; }
  .hero-stat:nth-child(3) { border-left: none; }
  .scroll-hint { display: none; }
}

/* ============================================================
   TRUST STRIP (cert marquee)
   ============================================================ */
.trust { background: var(--navy-850); border-top: 1px solid var(--on-dark-line); overflow: hidden; }
.trust-inner { display: flex; align-items: center; gap: clamp(2rem,5vw,4rem); padding-block: 1.4rem; }
.trust-label { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--on-dark-3); white-space: nowrap; flex-shrink: 0; padding-left: var(--gutter); }
.marquee { overflow: hidden; flex: 1; -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.marquee-track { display: inline-flex; align-items: center; gap: 2.8rem; white-space: nowrap; animation: marquee 32s linear infinite; padding-right: 2.8rem; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-family: var(--font-mono); font-size: 0.92rem; letter-spacing: 0.05em; color: var(--on-dark-2); font-weight: 500; }
.marquee-track span b { color: var(--cyan); font-weight: 500; }
@keyframes marquee { from{ transform: translateX(0); } to{ transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce){ .marquee-track{ animation: none; } }

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2.5rem, 5vw, 5rem); align-items: center; }
.about-copy h2 { margin-bottom: 1.4rem; }
.about-copy p { color: var(--text-2); margin-bottom: 1.2rem; line-height: 1.8; }
.about-copy p strong { color: var(--text-1); font-weight: 650; }
.about-figures { display: grid; grid-template-columns: repeat(3,1fr); gap: 0; margin-top: 2.2rem; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.about-fig { padding: 1.3rem 1.1rem; border-right: 1px solid var(--border); }
.about-fig:last-child { border-right: none; }
.about-fig-num { font-weight: 800; font-size: clamp(1.5rem,3vw,2.1rem); letter-spacing: -0.02em; color: var(--accent); line-height: 1; }
.about-fig-num .u { font-size: 0.55em; color: var(--steel); }
.about-fig-label { font-size: 0.78rem; color: var(--text-3); margin-top: 0.5rem; line-height: 1.4; }

/* visual: blueprint vessel placard */
.about-visual { position: relative; aspect-ratio: 4/5; border: 1px solid var(--border); background: var(--navy-850); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.about-visual .imgslot { position: absolute; inset: 0; }
.about-visual-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px); background-size: 32px 32px; }
.about-visual-tag { position: absolute; left: 1rem; top: 1rem; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.12em; color: var(--on-dark-2); border: 1px solid var(--on-dark-line); padding: 0.35rem 0.6rem; border-radius: 3px; z-index: 2; }
.about-visual-foot { position: absolute; left: 1rem; bottom: 1rem; z-index: 2; }
.about-visual-foot .yr { font-weight: 800; font-size: 2.6rem; color: rgba(255,255,255,0.16); line-height: 1; }
.about-visual-foot .since { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.2em; color: var(--on-dark-3); }

@media (max-width: 880px) {
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-visual { aspect-ratio: 16/10; max-height: 360px; order: -1; }
}

/* ============================================================
   IMAGE PLACEHOLDER (labelled)
   ============================================================ */
.img-ph { position: relative; width: 100%; height: 100%; min-height: 160px; background:
    repeating-linear-gradient(135deg, rgba(86,105,127,0.10) 0 10px, rgba(86,105,127,0.04) 10px 20px);
  display: flex; align-items: center; justify-content: center; }
.img-ph::after { content: attr(data-label); font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; color: var(--steel); text-transform: uppercase; padding: 0.4rem 0.7rem; border: 1px dashed var(--steel-3); border-radius: 3px; background: rgba(255,255,255,0.6); }
.img-ph.on-dark { background: repeating-linear-gradient(135deg, rgba(255,255,255,0.06) 0 10px, rgba(255,255,255,0.02) 10px 20px); }
.img-ph.on-dark::after { color: var(--on-dark-2); border-color: var(--on-dark-line); background: rgba(10,23,38,0.5); }

/* blueprint-style pressure-vessel CAD illustration (about section) */
.vessel-blueprint { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.vessel-blueprint text { font-weight: 500; }

/* ============================================================
   CAPABILITIES (total engineering)
   ============================================================ */
.cap-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-bottom: 3.5rem; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.cap-flow-step { padding: 1.6rem 1.5rem; background: var(--surface); border-right: 1px solid var(--border); position: relative; }
.cap-flow-step:last-child { border-right: none; }
.cap-flow-step .k { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.14em; color: var(--accent); text-transform: uppercase; }
.cap-flow-step h4 { font-size: 1.05rem; font-weight: 700; margin: 0.5rem 0 0.35rem; }
.cap-flow-step p { font-size: 0.85rem; color: var(--text-2); line-height: 1.6; }
.cap-flow-step::after { content: '→'; position: absolute; right: -0.7em; top: 1.6rem; color: var(--steel-3); z-index: 2; background: var(--bg); padding: 0 2px; }
.cap-flow-step:last-child::after { display: none; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.card {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem 1.7rem; transition: transform .35s cubic-bezier(.22,1,.36,1), box-shadow .35s, border-color .35s;
  overflow: hidden;
}
.card::before { content: ''; position: absolute; inset: 0 0 auto 0; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .4s cubic-bezier(.22,1,.36,1); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(31,111,235,0.25); }
.card:hover::before { transform: scaleX(1); }
.card-num { font-family: var(--font-mono); font-size: 0.78rem; color: var(--steel-2); letter-spacing: 0.1em; }
.card-icon { width: 44px; height: 44px; margin: 1rem 0 1.1rem; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: var(--radius); color: var(--accent); }
.card-icon svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.6; }
.card h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 0.55rem; letter-spacing: -0.01em; }
.card p { font-size: 0.9rem; color: var(--text-2); line-height: 1.7; }

@media (max-width: 920px) { .cards { grid-template-columns: repeat(2,1fr); } .cap-flow { grid-template-columns: 1fr; } .cap-flow-step { border-right: none; border-bottom: 1px solid var(--border); } .cap-flow-step:last-child { border-bottom: none; } .cap-flow-step::after { content: '↓'; right: auto; left: 1.5rem; top: auto; bottom: -0.7em; } }
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }

/* ============================================================
   IMPORT CERTIFICATION — the differentiator (dark feature)
   ============================================================ */
.import { background: var(--navy-850); color: var(--on-dark-1); position: relative; overflow: hidden; }
.import::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px); background-size: 56px 56px; pointer-events: none; }
.import .container { position: relative; z-index: 1; }
.import-head { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end; margin-bottom: 3rem; }
.import-head .lead { color: var(--on-dark-2); }
.import-kpi { text-align: right; flex-shrink: 0; }
.import-kpi .n { font-weight: 800; font-size: clamp(2.5rem,5vw,3.6rem); letter-spacing: -0.02em; color: var(--cyan); line-height: 1; }
.import-kpi .l { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; color: var(--on-dark-2); text-transform: uppercase; margin-top: 0.4rem; }

.import-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--on-dark-line); border: 1px solid var(--on-dark-line); border-radius: var(--radius); overflow: hidden; }
.import-card { background: var(--navy-850); padding: 1.7rem 1.4rem; transition: background .3s; }
.import-card:hover { background: var(--navy-800); }
.import-card .code { font-family: var(--font-mono); font-weight: 600; font-size: 1.15rem; color: var(--cyan); letter-spacing: 0.02em; }
.import-card h3 { font-size: 1rem; font-weight: 650; margin: 0.7rem 0 0.5rem; color: #fff; }
.import-card p { font-size: 0.85rem; color: var(--on-dark-2); line-height: 1.65; }

/* flow / process */
.proc { margin-top: 3rem; }
.proc-title { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cyan); margin-bottom: 1.4rem; }
.proc-steps { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 0.6rem; counter-reset: step; }
.proc-step { background: rgba(255,255,255,0.03); border: 1px solid var(--on-dark-line); border-radius: var(--radius); padding: 1.1rem 1rem 1.1rem; position: relative; }
.proc-step .sn { width: 26px; height: 26px; border-radius: 50%; background: var(--accent); color: #fff; font-family: var(--font-mono); font-size: 0.8rem; display: flex; align-items: center; justify-content: center; margin-bottom: 0.7rem; }
.proc-step.last .sn { background: var(--cyan); color: var(--navy-900); }
.proc-step p { font-size: 0.8rem; color: var(--on-dark-1); line-height: 1.5; }

.import-twocol { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; margin-top: 3.5rem; }
.import-block .blk-title { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cyan); margin-bottom: 1.1rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip { font-size: 0.82rem; padding: 0.5rem 0.85rem; border: 1px solid var(--on-dark-line); border-radius: 100px; color: var(--on-dark-1); background: rgba(255,255,255,0.03); white-space: nowrap; }
.countries { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.country { display: inline-flex; align-items: center; gap: 0.45rem; font-size: 0.82rem; padding: 0.45rem 0.85rem; border: 1px solid var(--on-dark-line); border-radius: var(--radius); color: var(--on-dark-1); background: rgba(255,255,255,0.03); white-space: nowrap; }
.country .iso { font-family: var(--font-mono); font-size: 0.66rem; color: var(--cyan); letter-spacing: 0.03em; }
.country.more { color: var(--cyan); border-color: rgba(63,186,240,0.4); }

/* KEA number decoder */
.kea { margin-top: 3.5rem; border: 1px solid var(--on-dark-line); border-radius: var(--radius); padding: 1.8rem; background: rgba(255,255,255,0.02); }
.kea .blk-title { margin-bottom: 1.3rem; }
.kea-num { display: flex; flex-wrap: wrap; align-items: stretch; gap: 0; font-family: var(--font-mono); }
.kea-part { padding: 0.5rem 1.1rem; text-align: center; border: 1px solid var(--on-dark-line); border-right: none; }
.kea-part:last-child { border-right: 1px solid var(--on-dark-line); }
.kea-part.hl { background: rgba(63,186,240,0.12); border-color: rgba(63,186,240,0.5); }
.kea-part .v { font-size: 1.3rem; font-weight: 600; color: #fff; letter-spacing: 0.04em; }
.kea-part.hl .v { color: var(--cyan); }
.kea-part .l { font-size: 0.62rem; color: var(--on-dark-2); margin-top: 0.3rem; letter-spacing: 0.04em; }
.kea-note { font-size: 0.88rem; color: var(--on-dark-2); margin-top: 1.2rem; line-height: 1.7; }
.kea-note strong { color: var(--cyan); font-weight: 600; }

.import-blog { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 3rem; }
.blog-btn { display: flex; flex-direction: column; gap: 0.25rem; padding: 1.2rem 1.5rem; border: 1px solid var(--on-dark-line); border-radius: var(--radius); text-decoration: none; color: #fff; background: rgba(255,255,255,0.02); min-width: 230px; transition: border-color .25s, transform .25s; }
.blog-btn:hover { transform: translateY(-3px); border-color: var(--cyan); }
.blog-btn .bt { font-weight: 650; font-size: 0.98rem; }
.blog-btn .bs { font-size: 0.78rem; color: var(--on-dark-2); }

@media (max-width: 920px) {
  .import-cards { grid-template-columns: repeat(2,1fr); }
  .proc-steps { grid-auto-flow: row; grid-template-columns: repeat(2,1fr); }
  .import-twocol { grid-template-columns: 1fr; gap: 2rem; }
  .import-head { grid-template-columns: 1fr; }
  .import-kpi { text-align: left; }
}
@media (max-width: 520px) { .import-cards { grid-template-columns: 1fr; } .proc-steps { grid-template-columns: 1fr; } }

/* ============================================================
   CERTIFICATIONS GRID
   ============================================================ */
.cert-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.cert-cell { background: var(--surface); padding: 1.6rem 1rem; text-align: center; transition: background .25s; display: flex; flex-direction: column; gap: 0.35rem; align-items: center; justify-content: center; }
.cert-cell:hover { background: var(--bg-2); }
.cert-cell .c-code { font-family: var(--font-mono); font-weight: 600; font-size: 1.05rem; color: var(--navy-800); letter-spacing: 0.02em; }
.cert-cell .c-org { font-size: 0.68rem; color: var(--text-3); line-height: 1.3; }
@media (max-width: 920px) { .cert-grid { grid-template-columns: repeat(4,1fr); } }
@media (max-width: 560px) { .cert-grid { grid-template-columns: repeat(2,1fr); } }

/* ============================================================
   INDUSTRIES
   ============================================================ */
.ind-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.ind-item { background: var(--surface); padding: 2.2rem 1.6rem; transition: background .3s; position: relative; }
.ind-item:hover { background: var(--bg-2); }
.ind-icon { width: 46px; height: 46px; display: flex; align-items: center; justify-content: center; color: var(--accent); margin-bottom: 1.1rem; }
.ind-icon svg { width: 26px; height: 26px; stroke: currentColor; fill: none; stroke-width: 1.5; }
.ind-item h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 0.45rem; }
.ind-item p { font-size: 0.82rem; color: var(--text-2); line-height: 1.55; }
@media (max-width: 920px) { .ind-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 460px) { .ind-grid { grid-template-columns: 1fr; } }

/* ============================================================
   STATS BAND
   ============================================================ */
.stats-band { background: var(--navy-900); color: #fff; position: relative; overflow: hidden; }
.stats-band::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px); background-size: 80px 100%; }
.stats-band::after { content: ''; position: absolute; inset: 0; background: radial-gradient(100% 120% at 85% 0%, rgba(31,111,235,0.2), transparent 60%); }
.stats-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4,1fr); }
.stat-cell { padding: clamp(2.5rem,5vw,4rem) 2rem; border-right: 1px solid var(--on-dark-line); }
.stat-cell:last-child { border-right: none; }
.stat-cell .n { font-weight: 800; font-size: clamp(2.4rem,5vw,3.6rem); letter-spacing: -0.02em; line-height: 1; display: flex; align-items: baseline; gap: 3px; }
.stat-cell .n .s { font-size: 0.45em; color: var(--cyan); font-weight: 600; }
.stat-cell .l { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-dark-2); margin-top: 0.7rem; line-height: 1.4; }
@media (max-width: 880px) { .stats-grid { grid-template-columns: repeat(2,1fr); } .stat-cell:nth-child(2){ border-right: none; } .stat-cell:nth-child(1),.stat-cell:nth-child(2){ border-bottom: 1px solid var(--on-dark-line); } }
@media (max-width: 460px) { .stats-grid { grid-template-columns: 1fr; } .stat-cell { border-right: none; border-bottom: 1px solid var(--on-dark-line); } .stat-cell:last-child { border-bottom: none; } }

/* ============================================================
   TECHNOLOGY SPLIT
   ============================================================ */
.tech-split { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.tech-col { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(1.8rem,3vw,2.6rem); }
.tech-col.feature { background: var(--navy-850); color: var(--on-dark-1); border-color: var(--navy-850); }
.tech-col h3 { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.6rem; }
.tech-col.feature h3 { color: var(--cyan); }
.tech-item { padding: 1.1rem 0; border-top: 1px solid var(--hair); }
.tech-col.feature .tech-item { border-top-color: var(--on-dark-line); }
.tech-item:first-of-type { border-top: none; }
.tech-item h4 { font-size: 0.98rem; font-weight: 650; margin-bottom: 0.4rem; display: flex; align-items: center; gap: 0.6rem; }
.tech-item h4::before { content: ''; width: 6px; height: 6px; background: var(--accent); flex-shrink: 0; transform: rotate(45deg); }
.tech-col.feature .tech-item h4 { color: #fff; }
.tech-col.feature .tech-item h4::before { background: var(--cyan); }
.tech-item p { font-size: 0.86rem; color: var(--text-2); line-height: 1.65; padding-left: 1.2rem; }
.tech-col.feature .tech-item p { color: var(--on-dark-2); }
@media (max-width: 880px) { .tech-split { grid-template-columns: 1fr; } }

/* ============================================================
   HISTORY TIMELINE
   ============================================================ */
.timeline { position: relative; margin-top: 1rem; padding-left: 1.5rem; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0.6rem; bottom: 0.6rem; width: 2px; background: linear-gradient(var(--accent), rgba(31,111,235,0.08)); }
.tl-item { display: grid; grid-template-columns: 92px 1fr; gap: 1.8rem; padding: 1.4rem 0 1.4rem 1.8rem; position: relative; border-bottom: 1px solid var(--hair); }
.tl-item:last-child { border-bottom: none; }
.tl-item::before { content: ''; position: absolute; left: calc(-1.5rem - 4px); top: 1.75rem; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); border: 2px solid var(--bg); box-shadow: 0 0 0 3px rgba(31,111,235,0.15); }
.tl-item.founding::before { width: 14px; height: 14px; left: calc(-1.5rem - 6px); box-shadow: 0 0 0 4px rgba(31,111,235,0.18); }
.tl-year { font-weight: 800; font-size: 1.55rem; letter-spacing: -0.01em; color: var(--accent); line-height: 1.1; }
.tl-body p { font-size: 0.92rem; color: var(--text-2); line-height: 1.65; margin-bottom: 0.3rem; }
.tl-body p:last-child { margin-bottom: 0; }
.tl-body strong { color: var(--text-1); font-weight: 700; }
@media (max-width: 600px) { .tl-item { grid-template-columns: 64px 1fr; gap: 1rem; padding-left: 1.4rem; } .tl-year { font-size: 1.25rem; } }

/* ============================================================
   CATALOG BANNER
   ============================================================ */
.catalog { background: var(--bg-2); border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); }
.catalog-inner { display: flex; flex-direction: column; gap: 1.8rem; }
.catalog h2 { font-size: clamp(1.6rem,3vw,2.3rem); font-weight: 750; letter-spacing: -0.02em; margin-bottom: 0.6rem; }
.catalog p { color: var(--text-2); }
.catalog-rows { display: flex; flex-direction: column; gap: 1.4rem; }
.catalog-row-label { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-2); margin-bottom: 0.5rem; }
.catalog-btns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
.catalog-dl-btn { white-space: normal; display: flex; width: 100%; text-align: center; justify-content: center; line-height: 1.4; min-height: 3rem; align-items: center; }
@media (max-width: 680px) { .catalog-btns { grid-template-columns: 1fr; } }

/* ============================================================
   LOCATIONS
   ============================================================ */
.loc-layout { display: grid; grid-template-columns: 360px 1fr; gap: 1.5rem; align-items: stretch; }
.loc-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; }
.loc-badge { display: inline-block; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; background: var(--navy-850); color: #fff; padding: 0.35rem 0.7rem; border-radius: 3px; margin-bottom: 1.1rem; }
.loc-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.7rem; }
.loc-card .addr { color: var(--text-2); font-size: 0.92rem; line-height: 1.7; margin-bottom: 0.4rem; }
.loc-card .tel { color: var(--accent); font-size: 0.92rem; text-decoration: none; font-weight: 500; }
.loc-divider { height: 1px; background: var(--hair); margin: 1.4rem 0; }
.loc-transport { display: flex; flex-direction: column; gap: 1rem; }
.loc-trans { display: grid; grid-template-columns: 30px 1fr; gap: 0.6rem; }
.loc-trans .ico { width: 28px; height: 28px; border: 1px solid var(--border); border-radius: 3px; display: flex; align-items: center; justify-content: center; color: var(--accent); }
.loc-trans .ico svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 1.6; }
.loc-trans strong { font-size: 0.84rem; display: block; margin-bottom: 0.15rem; }
.loc-trans p { font-size: 0.82rem; color: var(--text-2); line-height: 1.5; }
.loc-map-wrap { display: flex; flex-direction: column; }
.loc-map { width: 100%; flex: 1; min-height: 420px; border: 1px solid var(--border); border-radius: var(--radius); }
.loc-navi { display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 0.8rem; padding: 0.75rem 1.3rem; background: #FEE500; color: #191600; font-weight: 600; font-size: 0.88rem; text-decoration: none; border-radius: var(--radius); align-self: flex-start; transition: transform .2s; }
.loc-navi:hover { transform: translateY(-1px); }
.loc-navi svg { width: 16px; height: 16px; }
@media (max-width: 880px) { .loc-layout { grid-template-columns: 1fr; } .loc-map { min-height: 300px; } }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2.5rem,5vw,5rem); }
.contact-info .ci-block { padding: 1.3rem 0; border-top: 1px solid var(--hair); }
.contact-info .ci-block:first-child { border-top: none; padding-top: 0; }
.contact-info h4 { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--steel); margin-bottom: 0.6rem; }
.contact-info p { color: var(--text-1); font-size: 0.96rem; line-height: 1.6; }
.contact-info a { color: var(--accent); text-decoration: none; }
.contact-info a:hover { text-decoration: underline; }

.form { display: flex; flex-direction: column; gap: 1.1rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(1.6rem,3vw,2.4rem); box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; color: var(--text-3); text-transform: uppercase; }
.field input, .field select, .field textarea {
  font-family: var(--font-sans); font-size: 0.95rem; color: var(--text-1);
  padding: 0.8rem 0.9rem; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg); outline: none; transition: border-color .2s, box-shadow .2s; width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(31,111,235,0.12); background: #fff; }
.field textarea { min-height: 130px; resize: vertical; }
.form-submit { align-self: flex-start; }
.form-note { font-size: 0.78rem; color: var(--text-3); }
.form-honeypot { display: none !important; }
.form-success { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1rem; padding: 2.5rem 1rem; text-align: center; }
.form-success svg { width: 48px; height: 48px; color: var(--accent); }
.form-success p { color: var(--text-1); font-size: 1rem; line-height: 1.7; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--navy-900); color: var(--on-dark-2); }
.footer-top { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 2.5rem; padding-block: clamp(3rem,5vw,4.5rem); border-bottom: 1px solid var(--on-dark-line); }
.footer-brand img { height: 32px; margin-bottom: 1.2rem; }
.footer-brand p { font-size: 0.88rem; color: var(--on-dark-2); line-height: 1.7; max-width: 36ch; }
.footer-col h5 { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-dark-3); margin-bottom: 1.1rem; }
.footer-col a, .footer-col p { display: block; font-size: 0.9rem; color: var(--on-dark-2); text-decoration: none; margin-bottom: 0.6rem; line-height: 1.5; }
.footer-col a:hover { color: var(--cyan); }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1.6rem; }
.footer-bottom .copy { font-size: 0.76rem; color: var(--on-dark-3); }
.footer-bottom .links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-bottom .links a { font-family: var(--font-mono); font-size: 0.72rem; color: var(--on-dark-3); text-decoration: none; }
.footer-bottom .links a:hover { color: var(--cyan); }
@media (max-width: 760px) { .footer-top { grid-template-columns: 1fr; gap: 2rem; } .footer-bottom { flex-direction: column; align-items: flex-start; } }

/* ============================================================
   UTIL
   ============================================================ */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }