/* 에이아이큐브 — 기업형 홈페이지 */

:root {
  --primary: #0d6e63;
  --primary-dark: #0a554d;
  --primary-light: #e6f4f2;
  --accent: #2563eb;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
  --font: "Inter", "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  --header-h: 72px;
  --max: 1140px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }

/* Typography */
.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}
.eyebrow--light { color: #a7f3d0; }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(36px, 5vw, 56px); font-weight: 800; }
h2 { font-size: clamp(28px, 3.5vw, 38px); font-weight: 800; }
h3 { font-size: 20px; font-weight: 700; margin-bottom: 14px; }
.lead { font-size: 18px; color: var(--muted); max-width: 520px; margin-top: 16px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, background 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-dark); box-shadow: var(--shadow); }
.btn--outline { border-color: var(--line); background: #fff; color: var(--ink); }
.btn--outline:hover { border-color: var(--primary); color: var(--primary); }
.btn--ghost { background: transparent; color: var(--muted); }
.btn--ghost:hover { color: var(--primary); }
.btn--sm { min-height: 44px; padding: 0 16px; font-size: 15px; }
.btn--block { width: 100%; }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
}
.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
}
.logo { display: flex; align-items: center; min-height: 44px; gap: 10px; font-weight: 800; }
.logo__mark {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
}
.logo__text { font-size: 16px; letter-spacing: 0.02em; }
.nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  transition: color 0.2s;
}
.nav a:hover, .nav a.is-active { color: var(--primary); }
.header__actions { display: flex; align-items: center; gap: 10px; }
.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}
.menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  padding: calc(var(--header-h) + 64px) 0 80px;
  background:
    linear-gradient(135deg, var(--primary-light) 0%, transparent 55%),
    linear-gradient(220deg, #eff6ff 0%, transparent 40%),
    var(--bg);
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.hero__visual { display: flex; align-items: stretch; min-width: 0; }
.hero-showcase { width: 100%; display: grid; gap: 16px; }
.hero-showcase__img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.hero-panel {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-alt);
  padding: 20px 24px;
}
.hero-panel__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
}
.hero-panel__list { list-style: none; display: grid; gap: 12px; }
.hero-panel__list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.hero-panel__list li:last-child { padding-bottom: 0; border-bottom: 0; }
.hero-panel__thumb {
  width: 56px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--line);
  object-fit: cover;
  flex-shrink: 0;
}
.hero-panel__list strong {
  display: block;
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 2px;
}
.hero-panel__list span { font-size: 14px; color: var(--muted); }

/* Stats band */
.stats-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
  padding: 36px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item strong {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
}
.stat-item span { font-size: 13px; color: var(--muted); font-weight: 600; }

/* Sections */
.section { padding: 88px 0; }
.section--alt { padding-block: 96px; background: var(--bg-alt); }
.section--cta {
  background: linear-gradient(135deg, #0a554d, #1e3a5f);
  color: #fff;
}
.section--cta h2 { color: #fff; }
.section--cta p { color: rgba(255,255,255,0.78); }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head p { color: var(--muted); margin-top: 12px; font-size: 16px; }

/* Solutions */
.sol-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.sol-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.25s, border-color 0.25s;
}
.sol-card:hover { box-shadow: var(--shadow-lg); border-color: #cbd5e1; }
.sol-card--featured { border-color: #99d5cf; }
.sol-card__media {
  aspect-ratio: 16 / 9;
  background: var(--bg-alt);
  overflow: hidden;
}
.sol-card__media img { width: 100%; height: 100%; object-fit: cover; }
.sol-card__body { padding: 28px 32px 32px; }
.sol-card--featured .sol-card__body { background: linear-gradient(180deg, #f0fdfa, #fff); }
.sol-card__badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 20px;
  background: var(--primary-light);
  color: var(--primary);
  margin-bottom: 14px;
}
.sol-card h3 { font-size: 22px; margin-bottom: 10px; }
.sol-card > p { color: var(--muted); font-size: 15px; margin-bottom: 18px; }
.sol-card ul { list-style: none; display: grid; gap: 8px; margin-bottom: 22px; }
.sol-card li {
  font-size: 14px;
  color: var(--muted);
  padding-left: 16px;
  position: relative;
}
.sol-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
}
.sol-flow-wrap, .sol-feats-wrap { margin-bottom: 40px; }
.sol-flow-wrap h3, .sol-feats-wrap h3 { margin-bottom: 20px; }
.flow-diagram {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.flow-step {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 14px;
  text-align: center;
}
.flow-step__node {
  position: relative;
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
}
.flow-step__icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
}
.flow-step__icon svg { width: 22px; height: 22px; }
.flow-step__n {
  position: absolute;
  right: -4px;
  bottom: -4px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
}
.flow-step__text b { display: block; font-size: 14px; margin-bottom: 4px; }
.flow-step__text p { font-size: 14px; color: var(--muted); line-height: 1.55; }
.flow-step__arrow {
  display: none;
}
.feat-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 16px;
}
.feat-card {
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: box-shadow 0.2s;
}
.feat-card:hover { box-shadow: var(--shadow); }
.feat-card__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  margin-bottom: 12px;
}
.feat-card__icon svg { width: 20px; height: 20px; }
.feat-card strong { display: block; font-size: 14px; margin-bottom: 6px; }
.feat-card span { font-size: 14px; color: var(--muted); line-height: 1.6; }
.use-section { margin-top: 8px; margin-bottom: 24px; }
.use-section h3 { font-size: 22px; margin-bottom: 6px; }
.use-section__desc { font-size: 15px; color: var(--muted); }
.use-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.use-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.25s, transform 0.25s;
}
.use-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.use-item__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-alt);
}
.use-item__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.use-item:hover .use-item__media img { transform: scale(1.03); }
.use-item__body { padding: 18px 20px 20px; }
.use-item strong { display: block; font-size: 15px; margin-bottom: 6px; }
.use-item span { font-size: 15px; color: var(--muted); line-height: 1.6; }

/* Products */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.prod-card:first-child { grid-column: 1 / -1; }
.prod-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.25s, transform 0.25s;
}
.prod-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.prod-card__media {
  aspect-ratio: 2 / 1;
  background: var(--bg-alt);
  overflow: hidden;
}
.prod-card__media img { width: 100%; height: 100%; object-fit: cover; }
.prod-card__body {
  padding: 24px 28px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.prod-card__series {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}
.prod-card__tag { font-size: 13px; color: var(--muted); font-weight: 500; margin-bottom: 8px; }
.prod-card h3 { font-size: 18px; margin-bottom: 10px; }
.prod-card > p { font-size: 15px; color: var(--muted); flex: 1; margin-bottom: 16px; }
.prod-card ul { list-style: none; display: grid; gap: 6px; margin-bottom: 20px; }
.prod-card li { font-size: 14px; color: var(--muted); padding-left: 14px; position: relative; }
.prod-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--primary);
}
.prod-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.prod-card__price { font-size: 18px; font-weight: 800; }
.prod-card__price small { font-size: 12px; color: var(--muted); font-weight: 500; }

/* Projects */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.chip {
  min-height: 44px;
  padding: 8px 16px;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.is-active { background: var(--primary); border-color: var(--primary); color: #fff; }
.proj-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.proj-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  outline: none;
  transition: box-shadow 0.25s, transform 0.25s;
}
.proj-card:hover,
.proj-card:focus-visible { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.proj-card:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.proj-card__cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-alt);
}
.proj-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.proj-card:hover .proj-card__cover img { transform: scale(1.04); }
.proj-card__industry {
  position: absolute;
  left: 14px;
  bottom: 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  background: rgba(15, 23, 42, 0.65);
  padding: 4px 10px;
  border-radius: 20px;
}
.proj-card__kpi {
  position: absolute;
  right: 14px;
  top: 14px;
  background: #fff;
  border-radius: 10px;
  padding: 8px 12px;
  text-align: center;
  box-shadow: var(--shadow);
  font-size: 11px;
  color: var(--muted);
  line-height: 1.2;
}
.proj-card__kpi b {
  display: block;
  font-size: 18px;
  color: var(--primary);
}
.proj-card__body { padding: 20px; }
.proj-card__client { font-size: 12px; color: var(--primary); font-weight: 600; margin-bottom: 6px; }
.proj-card h3 { font-size: 16px; margin-bottom: 8px; }
.proj-card p { font-size: 14px; color: var(--muted); line-height: 1.6; }
.proj-card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.proj-card__tags span {
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 20px;
  background: var(--bg-alt);
  color: var(--muted);
}

/* About */
.about-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
  align-items: stretch;
}
.about-hero__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}
.about-hero__media img { width: 100%; height: 100%; object-fit: cover; min-height: 220px; }
.badge-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-bottom: 36px;
  padding: 24px;
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}
.badge-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 90px;
}
.badge-item img { width: 64px; height: 64px; }
.badge-item span { font-size: 14px; font-weight: 600; color: var(--muted); }
.timeline { margin-bottom: 36px; }
.timeline h3 { margin-bottom: 20px; }
.timeline-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
}
.timeline-track::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: var(--line);
  z-index: 0;
}
.timeline-item {
  position: relative;
  z-index: 1;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 16px 18px;
  text-align: center;
}
.timeline-item em {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  font-style: normal;
  font-size: 11px;
  font-weight: 800;
  color: #fff;
  background: var(--primary);
  padding: 4px 10px;
  border-radius: 20px;
}
.timeline-item strong { display: block; font-size: 14px; margin-bottom: 6px; }
.timeline-item span { font-size: 14px; color: var(--muted); line-height: 1.55; }
.partner-strip { margin-bottom: 36px; }
.partner-strip h3 { margin-bottom: 16px; }
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}
.partner-logo {
  padding: 12px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.partner-logo img { height: 36px; width: auto; }
.vision-box {
  background: var(--primary-light);
  border: 1px solid #b2e0da;
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 0;
  height: 100%;
}
.vision-box h3 { color: var(--primary-dark); font-size: 22px; }
.vision-box p { color: var(--muted); margin-top: 10px; }
.biz-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.biz-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.biz-card--primary { border-color: #99d5cf; background: linear-gradient(180deg, #f0fdfa, #fff); }
.biz-card--muted { opacity: 0.75; }
.biz-card h4 { font-size: 17px; margin-bottom: 8px; }
.biz-card p { font-size: 14px; color: var(--muted); margin-bottom: 12px; }
.biz-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.biz-tags span {
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 20px;
  background: var(--bg-alt);
  color: var(--muted);
}
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.value-grid { display: grid; gap: 12px; }
.value-item {
  padding: 16px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.value-item strong { display: block; font-size: 14px; color: var(--primary); margin-bottom: 4px; }
.value-item span { font-size: 14px; color: var(--muted); }
.achieve-list { display: grid; gap: 10px; }
.achieve-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.achieve-item__badge {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
}
.achieve-item strong { font-size: 14px; }
.achieve-item span { font-size: 14px; color: var(--muted); display: block; margin-top: 2px; }
.achieve-item em { font-size: 12px; color: var(--primary); font-style: normal; font-weight: 700; flex-shrink: 0; }
.notice-box {
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--bg-alt);
}
.notice-box__tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  background: #fff;
  padding: 3px 8px;
  border-radius: 20px;
  border: 1px solid var(--line);
}
.notice-box h4 { margin: 10px 0 6px; font-size: 16px; }
.notice-box p { font-size: 14px; color: var(--muted); }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info {
  list-style: none;
  margin-top: 24px;
  display: grid;
  gap: 10px;
}
.contact-info li { font-size: 14px; color: rgba(255,255,255,0.85); }
.contact-info strong { color: #fff; margin-right: 8px; }
.contact-info a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: #a7f3d0;
  text-decoration: underline;
}
.contact-visuals {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}
.contact-visual {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: transform 0.2s, border-color 0.2s;
}
.contact-visual:hover { transform: translateY(-2px); border-color: rgba(255, 255, 255, 0.35); }
.contact-visual img { width: 100%; display: block; aspect-ratio: 2 / 1; object-fit: cover; }
.contact-visual span {
  display: block;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.08);
  color: #a7f3d0;
}
.contact-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  display: grid;
  gap: 14px;
  box-shadow: var(--shadow-lg);
}
.contact-form label {
  display: grid;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font-size: 16px;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(13, 110, 99, 0.25);
  border-color: var(--primary);
}

/* Footer */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 56px 0 24px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.logo--footer .logo__mark { background: #334155; }
.logo--footer .logo__text { color: #fff; }
.site-footer p { font-size: 14px; margin-top: 10px; max-width: 280px; }
.site-footer strong {
  display: block;
  color: #fff;
  font-size: 13px;
  margin-bottom: 12px;
}
.site-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  transition: color 0.2s;
}
.site-footer a:hover { color: #fff; }
.footer__copy {
  padding-top: 24px;
  border-top: 1px solid #1e293b;
  font-size: 13px;
}

/* Modal */
.modal {
  border: 0;
  padding: 0;
  background: transparent;
  max-width: none;
  max-height: none;
  width: 100%;
  height: 100%;
}
.modal::backdrop { background: rgba(15, 23, 42, 0.5); backdrop-filter: blur(4px); }
.modal__panel {
  position: fixed;
  inset: 24px 24px 24px auto;
  width: min(520px, calc(100vw - 48px));
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
}
.modal__close {
  position: absolute;
  top: 16px; right: 16px;
  width: 36px; height: 36px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  font-size: 16px;
}
.modal h2 { font-size: 22px; margin-bottom: 6px; padding-right: 40px; }
.modal .modal-sub { color: var(--primary); font-size: 13px; font-weight: 600; margin-bottom: 20px; }
.modal .modal-section { margin-bottom: 18px; }
.modal .modal-section h4 { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
.modal .modal-section p { font-size: 15px; color: var(--muted); line-height: 1.65; }
.modal-metrics {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 10px;
  margin: 16px 0;
}
.modal-metrics div {
  text-align: center;
  padding: 12px;
  background: var(--bg-alt);
  border-radius: var(--radius);
}
.modal-metrics b { display: block; font-size: 18px; color: var(--primary); }
.modal-metrics span { font-size: 11px; color: var(--muted); }
.modal-media {
  margin: -8px 0 20px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}
.modal-media img { width: 100%; display: block; aspect-ratio: 2 / 1; object-fit: cover; }
.modal-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.modal-step {
  text-align: center;
  padding: 12px 8px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}
.modal-step__n {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin: 0 auto 8px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
}
.modal-story {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 12px;
  margin: 16px 0 20px;
}
.modal-story__col {
  padding: 16px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.modal-story__col--result {
  background: var(--primary-light);
  border-color: #b2e0da;
}
.modal-story__col h4 {
  font-size: 11px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.modal-story__col p { font-size: 15px; color: var(--muted); line-height: 1.65; }

/* Toast */
.toast {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 200;
  padding: 14px 20px;
  background: var(--ink);
  color: #fff;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}
.toast.is-show { opacity: 1; transform: none; }

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Responsive */
@media (max-width: 1024px) {
  .hero__grid, .sol-grid, .prod-grid, .proj-grid, .biz-grid, .about-split, .about-hero, .contact-grid { grid-template-columns: 1fr; }
  .flow-diagram { grid-template-columns: repeat(2, 1fr); }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline-track { grid-template-columns: repeat(2, 1fr); }
  .timeline-track::before { display: none; }
  .use-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .modal-steps, .modal-story { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 16px 20px;
    gap: 4px;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s, opacity 0.25s;
  }
  .nav.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav a { padding: 12px 0; font-size: 16px; }
  .menu-toggle { display: flex; }
  .header__actions .btn--ghost { display: none; }
  .flow-diagram, .feat-grid, .use-grid, .stats-grid, .footer__grid { grid-template-columns: 1fr; }
  .flow-step__text p,
  .feat-card span,
  .prod-card li,
  .proj-card p { font-size: 15px; }
  .section { padding: 64px 0; }
  .modal__panel { inset: auto 0 0 0; width: 100%; max-height: 85vh; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
}