/* ============================================================
   TECO INTERNATIONAL — Stylesheet
   Design principles: Supanova-inspired (Pretendard, floating
   glass navigation, double-bezel cards, generous whitespace,
   Korean-first typography).
   ============================================================ */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable.css');

/* ---------- Design tokens ---------- */
:root {
  /* Colors */
  --color-bg:          #0A0A0B;
  --color-bg-2:        #141418;
  --color-surface:     #FFFFFF;
  --color-surface-2:   #F7F7F8;
  --color-surface-3:   #EFEFF2;
  --color-ink:         #111113;
  --color-ink-2:       #4B4B52;
  --color-ink-3:       #8A8A93;
  --color-ink-inv:     #F5F5F7;
  --color-line:        #E6E6EA;
  --color-line-dark:   rgba(255, 255, 255, 0.1);
  --color-accent:      #C9A227;   /* trade-gold */
  --color-accent-2:    #1F4E8C;   /* trust-navy */
  --color-danger:      #D14343;
  --color-success:     #1F9F5B;

  /* Typography */
  --font-sans: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Noto Sans KR', sans-serif;
  --font-display: var(--font-sans);

  --fs-display: clamp(2.5rem, 5vw + 1rem, 5.25rem);
  --fs-h1:      clamp(2rem, 3vw + 1rem, 3.5rem);
  --fs-h2:      clamp(1.5rem, 1.5vw + 0.8rem, 2.25rem);
  --fs-h3:      clamp(1.125rem, 0.5vw + 0.9rem, 1.375rem);
  --fs-body:    1.0625rem;
  --fs-small:   0.875rem;
  --fs-micro:   0.75rem;

  --lh-tight:   1.15;
  --lh-snug:    1.35;
  --lh-base:    1.65;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* Radius */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(17, 17, 19, 0.04), 0 1px 3px rgba(17, 17, 19, 0.06);
  --shadow-md: 0 8px 24px rgba(17, 17, 19, 0.08), 0 2px 6px rgba(17, 17, 19, 0.04);
  --shadow-lg: 0 20px 48px rgba(17, 17, 19, 0.12), 0 4px 12px rgba(17, 17, 19, 0.06);
  --shadow-glow: 0 0 0 1px rgba(201, 162, 39, 0.35), 0 10px 30px rgba(201, 162, 39, 0.18);

  /* Motion — spring-like curves */
  --ease-spring: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out:    cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --dur-fast:    0.18s;
  --dur-base:    0.32s;
  --dur-slow:    0.6s;

  /* Layout */
  --container-max: 1240px;
  --container-pad: clamp(1rem, 4vw, 2.5rem);
  --header-h:      72px;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--color-ink);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  word-break: keep-all;
  line-break: strict;
  overflow-wrap: break-word;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--dur-fast) var(--ease-out); }
a:hover { color: var(--color-accent-2); }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { margin: 0 0 var(--space-4); line-height: var(--lh-tight); font-weight: 700; letter-spacing: -0.02em; }
p { margin: 0 0 var(--space-4); }
ul, ol { margin: 0 0 var(--space-4); padding-left: 1.25em; }
hr { border: none; border-top: 1px solid var(--color-line); margin: var(--space-7) 0; }

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}
.section { padding: var(--space-10) 0; }
.section-sm { padding: var(--space-8) 0; }
.section-tight { padding: var(--space-7) 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ink-3);
  margin-bottom: var(--space-4);
}
.eyebrow::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--color-accent);
}
.section-head { max-width: 720px; margin-bottom: var(--space-8); }
.section-head h2 { font-size: var(--fs-h1); letter-spacing: -0.025em; }
.section-head p { color: var(--color-ink-2); font-size: 1.125rem; max-width: 60ch; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.95rem 1.75rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: -0.005em;
  transition: all var(--dur-base) var(--ease-spring);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-ink);
  color: var(--color-ink-inv);
}
.btn-primary:hover {
  background: var(--color-accent-2);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-gold {
  background: var(--color-accent);
  color: #1a1a1d;
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  color: #1a1a1d;
}
.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-line);
}
.btn-ghost:hover {
  border-color: var(--color-ink);
  background: var(--color-surface-2);
  transform: translateY(-2px);
}
.btn-ghost-inv {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}
.btn-ghost-inv:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}
.btn-sm { padding: 0.55rem 1rem; font-size: 0.8125rem; }
.btn-arrow::after {
  content: '→';
  display: inline-block;
  transition: transform var(--dur-base) var(--ease-spring);
}
.btn-arrow:hover::after { transform: translateX(4px); }

/* ---------- Header / Floating Glass Navigation ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: var(--space-2) 0;
  transition: all var(--dur-base) var(--ease-out);
}
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: #ffffff;
  border-bottom: 1px solid transparent;
  transition: all var(--dur-base) var(--ease-out);
}
.site-header.scrolled::before {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--color-line);
  box-shadow: 0 1px 0 rgba(17, 17, 19, 0.02), 0 8px 20px rgba(17, 17, 19, 0.04);
}
.site-header .container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}
.brand img { width: 130px; height: 56px; object-fit: contain; display: block; }
.brand-text { line-height: 1.1; }
.brand-text small {
  display: block;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-3);
  margin-top: 2px;
}

/* Primary nav */
.nav-primary {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-primary a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-ink-2);
  position: relative;
  padding: 0.25rem 0;
}
.nav-primary a.active,
.nav-primary a:hover {
  color: var(--color-ink);
}
.nav-primary a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Language switcher */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 0.25rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.6);
}
.lang-switch button {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-pill);
  color: var(--color-ink-3);
  transition: all var(--dur-fast) var(--ease-out);
}
.lang-switch button.active {
  background: var(--color-ink);
  color: #fff;
}
.lang-switch button:not(.active):hover { color: var(--color-ink); }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  align-items: center; justify-content: center;
  border: 1px solid var(--color-line);
}
.nav-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: var(--color-ink);
  position: relative;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: var(--color-ink);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top: 6px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + var(--space-10)) 0 var(--space-10);
  background:
    radial-gradient(1200px 600px at 80% 0%, rgba(201, 162, 39, 0.18), transparent 60%),
    radial-gradient(900px 500px at 10% 100%, rgba(31, 78, 140, 0.22), transparent 60%),
    linear-gradient(180deg, #0A0A0B 0%, #141418 100%);
  color: var(--color-ink-inv);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 75%);
  pointer-events: none;
}
.hero .container { position: relative; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.55rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-pill);
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-6);
}
.hero-eyebrow .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.2);
}
.hero-title {
  font-size: var(--fs-display);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin-bottom: var(--space-5);
  max-width: 18ch;
}
.hero-title .accent {
  background: linear-gradient(100deg, var(--color-accent) 0%, #F2D67D 60%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: 1.1875rem;
  color: rgba(255, 255, 255, 0.78);
  max-width: 56ch;
  margin-bottom: var(--space-7);
  line-height: 1.6;
}
.hero-cta { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.hero .btn-primary { background: #fff; color: var(--color-ink); }
.hero .btn-primary:hover { background: var(--color-accent); color: #1a1a1d; }

/* Hero stats bar */
.hero-stats {
  margin-top: var(--space-9);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  padding-top: var(--space-7);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.hero-stat .num {
  font-size: clamp(1.75rem, 2.5vw + 0.5rem, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
  line-height: 1;
}
.hero-stat .num .suffix { color: var(--color-accent); }
.hero-stat .label {
  margin-top: var(--space-2);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.03em;
}

/* ---------- Double-bezel cards ---------- */
.card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--dur-base) var(--ease-spring);
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-lg) - 1px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  pointer-events: none;
  mix-blend-mode: overlay;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(17, 17, 19, 0.18);
  box-shadow: var(--shadow-lg);
}
.card-icon {
  width: 52px; height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-surface-2) 0%, var(--color-surface-3) 100%);
  border: 1px solid var(--color-line);
  margin-bottom: var(--space-4);
  color: var(--color-accent-2);
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { font-size: var(--fs-h3); margin-bottom: var(--space-2); }
.card p { color: var(--color-ink-2); font-size: 0.9375rem; margin: 0; }

/* Services grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
}
.services-grid .card-number {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-ink-3);
  letter-spacing: 0.08em;
}

/* Why / feature list */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.feature {
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-line);
}
.feature h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-2);
}
.feature p { color: var(--color-ink-2); margin: 0; }
.feature .num {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

/* ---------- Portfolio grid ---------- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-5);
}
.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--dur-base) var(--ease-spring);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(17, 17, 19, 0.2);
}
.product-thumb {
  aspect-ratio: 4 / 3;
  background: var(--color-surface-2);
  overflow: hidden;
  position: relative;
}
.product-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-spring);
}
.product-card:hover .product-thumb img { transform: scale(1.06); }
.product-thumb.empty {
  display: flex; align-items: center; justify-content: center;
  color: var(--color-ink-3);
  font-size: 0.8125rem;
}
.product-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--space-2);
}
.product-cat {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-accent-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.product-name {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-ink);
  margin: 0;
}
.product-short {
  color: var(--color-ink-2);
  font-size: 0.875rem;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-tags {
  margin-top: auto;
  padding-top: var(--space-3);
  display: flex; flex-wrap: wrap; gap: var(--space-2);
}
.tag {
  font-size: 0.6875rem;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface-2);
  color: var(--color-ink-2);
  border: 1px solid var(--color-line);
}

/* Category filters */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.filter-bar button {
  padding: 0.55rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-ink-2);
  background: #fff;
  transition: all var(--dur-fast) var(--ease-out);
}
.filter-bar button.active,
.filter-bar button:hover {
  background: var(--color-ink);
  color: #fff;
  border-color: var(--color-ink);
}

.empty-state {
  text-align: center;
  padding: var(--space-9) var(--space-4);
  color: var(--color-ink-3);
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-lg);
}
.empty-state h3 { color: var(--color-ink-2); }

/* ---------- Project cases ---------- */
.cases-section {
  position: relative;
  background: linear-gradient(180deg, #faf8f1 0%, #f5f2e6 100%);
  border-top: 1px solid rgba(201, 162, 39, 0.22);
  border-bottom: 1px solid rgba(201, 162, 39, 0.22);
  overflow: hidden;
}
.cases-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(1100px, 94%);
  height: 560px;
  background: radial-gradient(ellipse at top, rgba(201, 162, 39, 0.18), transparent 65%);
  pointer-events: none;
}
.cases-section::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(201, 162, 39, 0.4) 50%, transparent 100%);
  pointer-events: none;
}
.cases-section .container { position: relative; }

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.case-card {
  position: relative;
  background: #ffffff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-7) var(--space-6) var(--space-6);
  display: flex;
  flex-direction: column;
  min-height: 100%;
  transition: all var(--dur-base) var(--ease-spring);
  overflow: hidden;
}
.case-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, rgba(201, 162, 39, 0.35) 100%);
}
.case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(17, 17, 19, 0.2);
  box-shadow: 0 20px 48px rgba(17, 17, 19, 0.1), 0 4px 12px rgba(17, 17, 19, 0.05);
}

.case-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--color-accent-2);
  margin-bottom: var(--space-4);
}
.case-label .diamond {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--color-accent);
  transform: rotate(45deg);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.18);
}

.case-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-ink);
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-4);
}

.case-desc {
  position: relative;
  padding-left: var(--space-4);
  margin-bottom: var(--space-5);
}
.case-desc::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px; bottom: 4px;
  width: 2px;
  border-radius: 1px;
  background: linear-gradient(180deg, var(--color-accent) 0%, rgba(230, 230, 234, 0.7) 100%);
}
.case-desc p {
  color: var(--color-ink-2);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin: 0;
}
.case-desc p + p { margin-top: var(--space-1); }

.case-bullets {
  list-style: none;
  padding: var(--space-4) 0 0;
  margin: auto 0 0;
  border-top: 1px solid var(--color-line);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.case-bullets li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.5;
}
.case-bullets li svg {
  flex-shrink: 0;
  width: 20px; height: 20px;
  margin-top: 1px;
  color: var(--color-accent);
}

@media (max-width: 960px) {
  .cases-grid { grid-template-columns: 1fr; }
}

/* ---------- Product detail ---------- */
.pd-wrap {
  padding-top: calc(var(--header-h) + var(--space-8));
  padding-bottom: var(--space-10);
}
.pd-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-8);
  align-items: flex-start;
}
.pd-image {
  aspect-ratio: 4 / 3;
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-line);
}
.pd-image img { width: 100%; height: 100%; object-fit: cover; }
.pd-meta .eyebrow { margin-bottom: var(--space-3); }
.pd-meta h1 {
  font-size: clamp(1.75rem, 2.5vw + 1rem, 2.75rem);
  letter-spacing: -0.028em;
}
.pd-short {
  font-size: 1.125rem;
  color: var(--color-ink-2);
  margin-bottom: var(--space-5);
}
.pd-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-6); }
.pd-desc {
  margin-top: var(--space-7);
  padding-top: var(--space-7);
  border-top: 1px solid var(--color-line);
  color: var(--color-ink-2);
  line-height: 1.75;
}
.pd-desc h2, .pd-desc h3, .pd-desc h4 { color: var(--color-ink); margin-top: var(--space-6); }
.pd-desc ul, .pd-desc ol { padding-left: 1.25em; }
.pd-desc li { margin-bottom: var(--space-2); }

/* ---------- Forms ---------- */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.form-field label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-ink);
}
.form-field .hint {
  font-size: 0.75rem;
  color: var(--color-ink-3);
}
.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: 0.9375rem;
  transition: all var(--dur-fast) var(--ease-out);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-ink);
  box-shadow: 0 0 0 3px rgba(17, 17, 19, 0.08);
}
textarea.form-control { min-height: 140px; resize: vertical; line-height: 1.55; }

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.checkbox-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.55rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
  font-size: 0.875rem;
}
.checkbox-item input { accent-color: var(--color-accent-2); }
.checkbox-item:hover { border-color: var(--color-ink-3); }
.checkbox-item.checked {
  background: var(--color-ink);
  color: #fff;
  border-color: var(--color-ink);
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  font-size: 0.8125rem;
  color: var(--color-ink-2);
}
.consent input { margin-top: 4px; }
.consent a { color: var(--color-ink); text-decoration: underline; }

.success-panel {
  text-align: center;
  padding: var(--space-9) var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
}
.success-panel .check {
  width: 64px; height: 64px;
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  background: var(--color-success);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 2rem;
}

/* ---------- Contact page ---------- */
.contact-wrap {
  padding-top: calc(var(--header-h) + var(--space-8));
  padding-bottom: var(--space-10);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-8);
}
.contact-info {
  background: var(--color-bg);
  color: var(--color-ink-inv);
  padding: var(--space-7);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.contact-info::before {
  content: '';
  position: absolute;
  top: -40%; right: -20%;
  width: 320px; height: 320px;
  background: radial-gradient(closest-side, rgba(201, 162, 39, 0.25), transparent);
}
.contact-info h3 { color: #fff; font-size: 1.5rem; position: relative; }
.contact-info p { color: rgba(255, 255, 255, 0.7); position: relative; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}
.contact-item:first-of-type { border-top: none; margin-top: var(--space-5); }
.contact-item .label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  display: block;
  margin-bottom: 2px;
}
.contact-item .val { color: #fff; font-weight: 500; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg);
  color: rgba(255, 255, 255, 0.78);
  padding: var(--space-9) 0 var(--space-6);
  margin-top: var(--space-10);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-7);
  margin-bottom: var(--space-8);
}
.footer-brand { max-width: 320px; }
.footer-brand .brand { color: #fff; margin-bottom: var(--space-4); }
.footer-brand .brand img { filter: brightness(0) invert(1); }
.footer-brand p { color: rgba(255, 255, 255, 0.6); font-size: 0.875rem; }
.footer-col h4 {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-4);
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: var(--space-3); }
.footer-col a { font-size: 0.875rem; color: rgba(255, 255, 255, 0.72); }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.45);
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ---------- CTA banner ---------- */
.cta-banner {
  margin: var(--space-9) auto;
  max-width: calc(var(--container-max) - 2 * var(--container-pad));
  padding: var(--space-9) var(--space-8);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(600px 300px at 100% 0%, rgba(201, 162, 39, 0.2), transparent),
    linear-gradient(120deg, #141418, #0A0A0B);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-7);
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 1px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: calc(var(--radius-lg) - 1px);
  pointer-events: none;
}
.cta-banner h2 {
  font-size: clamp(1.5rem, 2.5vw + 0.5rem, 2.25rem);
  margin: 0 0 var(--space-2);
  letter-spacing: -0.02em;
}
.cta-banner p { color: rgba(255, 255, 255, 0.7); margin: 0; }

/* ---------- About / timeline ---------- */
.page-head {
  padding: calc(var(--header-h) + var(--space-9)) 0 var(--space-8);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-line);
}
.page-head h1 {
  font-size: clamp(2rem, 3vw + 1rem, 3.25rem);
  letter-spacing: -0.03em;
}
.page-head p { color: var(--color-ink-2); max-width: 60ch; }

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
}
.info-card {
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}
.info-card .label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-ink-3);
  display: block;
  margin-bottom: var(--space-2);
}
.info-card .val { font-weight: 600; color: var(--color-ink); font-size: 1.0625rem; }

.timeline {
  position: relative;
  padding-left: var(--space-6);
  border-left: 2px solid var(--color-line);
}
.timeline-item {
  position: relative;
  padding-bottom: var(--space-6);
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-6) - 7px);
  top: 6px;
  width: 12px; height: 12px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 3px solid var(--color-surface);
  box-shadow: 0 0 0 1px var(--color-line);
}
.timeline-item .year {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent-2);
  letter-spacing: 0.05em;
}
.timeline-item h4 { font-size: 1.0625rem; margin: var(--space-1) 0; }

/* ---------- Service process ---------- */
.process-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-6);
}
.process-step {
  padding: var(--space-5);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  position: relative;
}
.process-step .num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.1em;
}
.process-step h4 { margin: var(--space-2) 0; font-size: 1.0625rem; }
.process-step p { margin: 0; color: var(--color-ink-2); font-size: 0.9375rem; }

.service-section {
  padding: var(--space-9) 0;
  border-bottom: 1px solid var(--color-line);
}
.service-section:last-child { border-bottom: none; }
.service-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-7);
  align-items: flex-start;
}
.service-head h2 {
  font-size: var(--fs-h1);
  letter-spacing: -0.025em;
  margin: 0;
}
.service-head .num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: var(--space-2);
}
.service-head p { color: var(--color-ink-2); font-size: 1.0625rem; max-width: 56ch; }

/* ---------- Admin styles ---------- */
.admin-wrap {
  padding-top: calc(var(--header-h) + var(--space-7));
  padding-bottom: var(--space-10);
  min-height: 100vh;
  background: var(--color-surface-2);
}
.admin-login {
  max-width: 400px;
  margin: var(--space-9) auto;
  padding: var(--space-7);
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-md);
}
.admin-login h1 { font-size: 1.5rem; margin-bottom: var(--space-5); }

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-3);
}
.admin-header h1 { font-size: 1.75rem; margin: 0; }

.admin-table-wrap {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  overflow-x: auto;
}
table.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
table.admin-table th,
table.admin-table td {
  padding: var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-line);
}
table.admin-table th {
  background: var(--color-surface-2);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-ink-3);
}
table.admin-table tr:last-child td { border-bottom: none; }
table.admin-table img.thumb {
  width: 56px; height: 56px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--color-surface-2);
}
.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.badge.green { background: rgba(31, 159, 91, 0.12); color: var(--color-success); }
.badge.gray  { background: var(--color-surface-3); color: var(--color-ink-3); }

.row-actions { display: flex; gap: var(--space-2); }

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 10, 11, 0.55);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  overflow-y: auto;
}
.modal.open { display: flex; }
.modal-panel {
  background: #fff;
  border-radius: var(--radius-lg);
  max-width: 860px;
  width: 100%;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-head {
  padding: var(--space-5) var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 1;
}
.modal-head h2 { font-size: 1.25rem; margin: 0; }
.modal-close {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-ink-3);
}
.modal-close:hover { background: var(--color-surface-2); color: var(--color-ink); }
.modal-body { padding: var(--space-6); }
.modal-foot {
  padding: var(--space-5) var(--space-6);
  border-top: 1px solid var(--color-line);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  position: sticky; bottom: 0;
  background: #fff;
}

.lang-tabs {
  display: flex;
  gap: 0;
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-line);
}
.lang-tabs button {
  padding: var(--space-3) var(--space-5);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-ink-3);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.lang-tabs button.active {
  color: var(--color-ink);
  border-bottom-color: var(--color-accent);
}
.lang-panel { display: none; }
.lang-panel.active { display: block; }

.image-preview {
  margin-top: var(--space-3);
  width: 160px;
  height: 120px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  border: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-3);
  font-size: 0.75rem;
  overflow: hidden;
}
.image-preview img { width: 100%; height: 100%; object-fit: cover; }

/* Toast */
.toast {
  position: fixed;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-ink);
  color: #fff;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 300;
  font-size: 0.875rem;
  opacity: 0;
  pointer-events: none;
  transition: all var(--dur-base) var(--ease-spring);
  max-width: 90%;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.error { background: var(--color-danger); }
.toast.success { background: var(--color-success); }

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-spring), transform 0.7s var(--ease-spring);
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- Utilities ---------- */
.text-muted { color: var(--color-ink-3); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .features { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
  .pd-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .service-head { grid-template-columns: 1fr; gap: var(--space-3); }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
  .nav-primary {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    z-index: 99;
    background: #ffffff;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4) var(--container-pad) var(--space-6);
    gap: 0;
    border-top: 1px solid var(--color-line);
    border-bottom: 1px solid var(--color-line);
    transform: translateY(-120%);
    transition: transform var(--dur-base) var(--ease-spring);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
    visibility: hidden;
  }
  .nav-primary.open {
    transform: translateY(0);
    visibility: visible;
  }
  .nav-primary a {
    padding: var(--space-4) var(--space-2);
    border-bottom: 1px solid var(--color-line);
    font-size: 1rem;
    color: var(--color-ink);
  }
  .nav-primary a:last-child { border-bottom: none; }
  .nav-primary a.active {
    color: var(--color-ink);
    font-weight: 700;
  }
  .nav-primary a.active::after {
    display: none;
  }
  .nav-toggle { display: inline-flex; }
}

@media (max-width: 420px) {
  .brand img { width: 110px; height: 48px; }
  .lang-switch button { padding: 0.35rem 0.55rem; font-size: 0.7rem; }
  .header-actions { gap: var(--space-2); }
}

@media (max-width: 560px) {
  .section { padding: var(--space-8) 0; }
  .cta-banner {
    padding: var(--space-7) var(--space-5);
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .brand-text small { display: none; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}