/* ==========================================================================
   (주)신기테크 — 정밀사출 공장 사이트
   디자인 토큰 + 공통 컴포넌트
   ========================================================================== */

:root {
  /* Color tokens */
  --navy-900: #0a1929;
  --navy-800: #0f2238;
  --navy-700: #132f4c;
  --navy-600: #1e3a5f;
  --cyan-500: #00acc1;
  --cyan-400: #00bcd4;
  --cyan-300: #4dd0e1;
  --cyan-200: #80deea;
  --gray-50:  #f7f9fc;
  --gray-100: #eef2f7;
  --gray-200: #e3e8ef;
  --gray-300: #cbd5e0;
  --gray-500: #718096;
  --gray-700: #4a5568;
  --gray-900: #1a202c;
  --white:    #ffffff;
  --black:    #000000;

  /* Semantic */
  --bg-dark:        var(--navy-900);
  --bg-dark-alt:    var(--navy-800);
  --bg-light:       var(--white);
  --bg-light-alt:   var(--gray-50);
  --accent:         var(--cyan-400);
  --accent-hover:   var(--cyan-200);
  --text-on-dark:   var(--white);
  --text-on-light:  var(--gray-900);
  --text-muted:     var(--gray-500);
  --border-light:   var(--gray-200);
  --border-dark:    var(--navy-700);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 6rem;
  --space-16: 8rem;

  /* Layout */
  --container: 1200px;
  --header-h: 72px;

  /* Type */
  --font-sans: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --font-mono: 'JetBrains Mono', 'D2Coding', ui-monospace, monospace;

  --fs-h1: clamp(2rem, 4vw + 1rem, 3.25rem);
  --fs-h2: clamp(1.625rem, 2.4vw + 0.75rem, 2.375rem);
  --fs-h3: clamp(1.25rem, 1.2vw + 0.75rem, 1.5rem);
  --fs-body: 1rem;
  --fs-sm: 0.875rem;

  /* Effects */
  --shadow-sm: 0 1px 3px rgba(10, 25, 41, 0.06);
  --shadow-md: 0 6px 20px rgba(10, 25, 41, 0.08);
  --shadow-lg: 0 20px 60px rgba(10, 25, 41, 0.18);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base
   ========================================================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  color: var(--text-on-light);
  background: var(--bg-light);
}

img {
  user-select: none;
}

::selection {
  background: var(--accent);
  color: var(--navy-900);
}

/* Layout helpers
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.section {
  padding-block: clamp(var(--space-10), 8vw, var(--space-16));
}

.section--dark {
  background: var(--bg-dark);
  color: var(--text-on-dark);
}

.section--dark-alt {
  background: var(--bg-dark-alt);
  color: var(--text-on-dark);
}

.section--light-alt {
  background: var(--bg-light-alt);
}

.section__head {
  text-align: center;
  margin-bottom: var(--space-10);
}

.section__eyebrow {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-3);
}

.section__title {
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.section__subtitle {
  margin-top: var(--space-3);
  color: var(--text-muted);
  font-size: 1.0625rem;
}

.section--dark .section__subtitle {
  color: var(--gray-300);
}

/* Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-weight: 600;
  font-size: var(--fs-body);
  border-radius: var(--radius-sm);
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: var(--navy-900);
}

.btn--primary:hover {
  background: var(--cyan-200);
  transform: translateY(-1px);
}

.btn--ghost {
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  color: var(--white);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--outline {
  border: 1.5px solid var(--navy-900);
  color: var(--navy-900);
}

.btn--outline:hover {
  background: var(--navy-900);
  color: var(--white);
}

.btn__arrow {
  transition: transform var(--transition);
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}

/* Header
   ========================================================================== */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(10, 25, 41, 0.0);
  backdrop-filter: blur(0);
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
  background: rgba(10, 25, 41, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--white);
}

.site-logo svg {
  height: 32px;
  width: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.site-nav__link {
  position: relative;
  color: var(--white);
  font-weight: 500;
  font-size: 0.95rem;
  padding-block: var(--space-2);
  transition: color var(--transition);
}

.site-nav__link:hover,
.site-nav__link.is-active {
  color: var(--accent);
}

.site-nav__link.is-active::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  bottom: -4px;
  height: 2px;
  background: var(--accent);
}

.site-nav__cta {
  margin-left: var(--space-3);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
}

.menu-toggle span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  background: var(--white);
  transition: transform var(--transition), opacity var(--transition), top var(--transition);
}

.menu-toggle span:nth-child(1) { top: 14px; }
.menu-toggle span:nth-child(2) { top: 21px; }
.menu-toggle span:nth-child(3) { top: 28px; }

.menu-toggle.is-open span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;          /* fallback: 구형 iOS Safari */
  min-height: 100svh;         /* 최신 모바일 small viewport unit */
  display: flex;
  align-items: center;
  color: var(--text-on-dark);
  overflow: hidden;
  isolation: isolate;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  background-position: center 30%;  /* 모바일 세로 화면에서 핵심 피사체 잘림 방지 */
  background-size: cover;
  background-repeat: no-repeat;
  background-image: url('img/hero/hero-main.jpg');
  filter: brightness(0.45) saturate(0.85);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(0, 188, 212, 0.18) 0%, transparent 55%),
    linear-gradient(135deg, rgba(10, 25, 41, 0.9) 0%, rgba(10, 25, 41, 0.7) 50%, rgba(10, 25, 41, 0.95) 100%);
}

.hero__particles {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero__content {
  max-width: 820px;
  padding-block: var(--space-16) var(--space-12);
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid rgba(0, 188, 212, 0.4);
  border-radius: 999px;
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: var(--space-5);
  background: rgba(0, 188, 212, 0.06);
}

.hero__eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.hero__title {
  font-size: var(--fs-h1);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.hero__title strong {
  color: var(--accent);
  font-weight: 800;
}

.hero__sub {
  margin-top: var(--space-5);
  font-size: 1.125rem;
  color: var(--gray-200);
  max-width: 560px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  color: var(--gray-200);
  font-size: var(--fs-sm);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.6;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.hero__scroll::after {
  content: '';
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollHint 2s ease-in-out infinite;
}

@keyframes scrollHint {
  0%, 100% { transform: scaleY(0.4); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
}

/* Page header (sub-page hero)
   ========================================================================== */
.page-hero {
  position: relative;
  padding-top: calc(var(--header-h) + var(--space-12));
  padding-bottom: var(--space-12);
  background: var(--bg-dark);
  color: var(--text-on-dark);
  overflow: hidden;
  isolation: isolate;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(0, 188, 212, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(19, 47, 76, 0.8) 0%, transparent 50%),
    var(--bg-dark);
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(0, 188, 212, 0.15) 1px, transparent 0);
  background-size: 32px 32px;
  opacity: 0.6;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.page-hero__eyebrow {
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.page-hero__title {
  font-size: var(--fs-h1);
  font-weight: 800;
  margin-top: var(--space-3);
  letter-spacing: -0.025em;
}

.page-hero__sub {
  margin-top: var(--space-4);
  color: var(--gray-300);
  max-width: 640px;
}

/* Breadcrumb
   ========================================================================== */
.breadcrumb {
  display: flex;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--gray-300);
  margin-bottom: var(--space-5);
}

.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { opacity: 0.5; }

/* Strength cards (메인 강점 3카드)
   ========================================================================== */
.strengths {
  position: relative;
  background:
    radial-gradient(circle at 1px 1px, rgba(10, 25, 41, 0.08) 1px, transparent 0)
    var(--bg-light);
  background-size: 28px 28px;
}

.strengths__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.strength-card {
  background: var(--white);
  padding: var(--space-8) var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.strength-card::before {
  content: '';
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 3px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition);
}

.strength-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--cyan-200);
}

.strength-card:hover::before {
  transform: scaleY(1);
}

.strength-card__num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: var(--space-3);
}

.strength-card__title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
}

.strength-card__title strong {
  color: var(--accent);
}

.strength-card__desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Business summary cards (메인 사업분야 요약)
   ========================================================================== */
.biz-summary__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.biz-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.biz-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.biz-card__media {
  aspect-ratio: 16 / 10;
  background-color: var(--gray-100);
  background-size: cover;
  background-position: center;
}

.biz-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.biz-card__title {
  font-size: 1.25rem;
  font-weight: 700;
}

.biz-card__desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  flex: 1;
}

.biz-card__more {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: var(--space-2);
}

.biz-card__more::after {
  content: '→';
  transition: transform var(--transition);
}

.biz-card:hover .biz-card__more::after {
  transform: translateX(4px);
}

/* Clients (거래처 텍스트 그리드)
   ========================================================================== */
.clients {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  position: relative;
}

.clients::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.05) 1px, transparent 0);
  background-size: 40px 40px;
  pointer-events: none;
}

.clients__grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.client-box {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8) var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.client-box:hover {
  border-color: var(--accent);
  background: rgba(0, 188, 212, 0.06);
  transform: translateY(-2px);
}

.client-box small {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gray-300);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

/* Contact CTA strip
   ========================================================================== */
.cta-strip {
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 100%);
  color: var(--text-on-dark);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0, 188, 212, 0.18) 0%, transparent 60%);
}

.cta-strip__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
}

.cta-strip__title {
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.cta-strip__sub {
  color: var(--gray-300);
  max-width: 540px;
}

.cta-strip__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-top: var(--space-3);
}

.cta-strip__buttons .btn {
  font-size: 1.05rem;
  padding: var(--space-4) var(--space-6);
}

/* About page
   ========================================================================== */
.greeting {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-10);
  align-items: start;
}

.greeting__visual {
  position: sticky;
  top: calc(var(--header-h) + var(--space-6));
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--navy-700), var(--navy-900));
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.greeting__visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10, 25, 41, 0.7));
}

.greeting__caption {
  position: absolute;
  left: var(--space-5);
  bottom: var(--space-5);
  color: var(--white);
  z-index: 1;
}

.greeting__caption strong {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
}

.greeting__caption small {
  font-size: 0.875rem;
  color: var(--gray-300);
}

.greeting__body p {
  margin-bottom: var(--space-4);
  color: var(--gray-700);
  font-size: 1.0625rem;
  line-height: 1.85;
}

.greeting__body p strong {
  color: var(--navy-900);
  font-weight: 700;
}

.greeting__sign {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-light);
  font-weight: 600;
}

.greeting__sign small {
  display: block;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--space-1);
}

/* Values (핵심가치)
   ========================================================================== */
.values__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.value-card {
  background: var(--white);
  padding: var(--space-8) var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  text-align: center;
}

.value-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
  display: grid;
  place-items: center;
  background: rgba(0, 188, 212, 0.1);
  border-radius: 50%;
  color: var(--accent);
}

.value-card__icon svg {
  width: 28px;
  height: 28px;
}

.value-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.value-card__title small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: var(--space-1);
  text-transform: uppercase;
}

.value-card__desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Business page (좌우 교차)
   ========================================================================== */
.biz-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
  padding-block: var(--space-10);
}

.biz-block + .biz-block {
  border-top: 1px solid var(--border-light);
}

.biz-block--reverse .biz-block__media {
  order: 2;
}

.biz-block__media {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  background: var(--gray-100);
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.biz-block__media::before {
  content: '';
  position: absolute;
  inset-block-start: var(--space-4);
  inset-inline-start: var(--space-4);
  width: 60px;
  height: 60px;
  border-block-start: 2px solid var(--accent);
  border-inline-start: 2px solid var(--accent);
}

.biz-block__media::after {
  content: '';
  position: absolute;
  inset-block-end: var(--space-4);
  inset-inline-end: var(--space-4);
  width: 60px;
  height: 60px;
  border-block-end: 2px solid var(--accent);
  border-inline-end: 2px solid var(--accent);
}

.biz-block__num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--accent);
}

.biz-block__title {
  font-size: clamp(1.75rem, 2.4vw, 2.25rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-block: var(--space-3) var(--space-5);
}

.biz-block__desc {
  color: var(--gray-700);
  font-size: 1.0625rem;
  line-height: 1.8;
  margin-bottom: var(--space-5);
}

.biz-block__features {
  display: grid;
  gap: var(--space-3);
  border-top: 1px solid var(--border-light);
  padding-top: var(--space-5);
}

.biz-block__features li {
  display: flex;
  gap: var(--space-3);
  font-size: 0.95rem;
  color: var(--gray-700);
}

.biz-block__features li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

/* Facility page
   ========================================================================== */
.facility-banner {
  position: relative;
  height: 380px;
  border-radius: var(--radius-lg);
  background-color: var(--navy-700);
  background-size: cover;
  background-position: center;
  margin-bottom: var(--space-10);
  overflow: hidden;
}

.facility-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 25, 41, 0.5), transparent);
}

.equipment-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.equipment-table thead {
  background: var(--navy-900);
  color: var(--white);
}

.equipment-table th,
.equipment-table td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  font-size: 0.95rem;
}

.equipment-table th {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.equipment-table tbody tr {
  border-bottom: 1px solid var(--border-light);
}

.equipment-table tbody tr:last-child {
  border-bottom: 0;
}

.equipment-table tbody tr:hover {
  background: var(--bg-light-alt);
}

.equipment-table .num {
  font-family: var(--font-mono);
  color: var(--accent);
  font-weight: 600;
}

.placeholder-note {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: rgba(0, 188, 212, 0.06);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  color: var(--gray-700);
}

/* Process flow
   ========================================================================== */
.process {
  position: relative;
}

.process__list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-3);
  position: relative;
}

.process__list::before {
  content: '';
  position: absolute;
  inset-block-start: 36px;
  inset-inline: 36px;
  height: 2px;
  background: linear-gradient(to right, var(--accent), var(--cyan-200), var(--accent));
  z-index: 0;
}

.process-step {
  position: relative;
  text-align: center;
  z-index: 1;
}

.process-step__circle {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-3);
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--accent);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent);
  box-shadow: 0 4px 14px rgba(0, 188, 212, 0.18);
}

.process-step__title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.process-step__desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Gallery
   ========================================================================== */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.gallery__item {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  background: var(--gray-100);
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition);
}

.gallery__item:hover {
  transform: scale(1.02);
}

.gallery__item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10, 25, 41, 0.5));
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery__item:hover::after {
  opacity: 1;
}

.gallery__caption {
  position: absolute;
  inset-block-end: var(--space-4);
  inset-inline-start: var(--space-4);
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
  z-index: 1;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition);
}

.gallery__item:hover .gallery__caption {
  opacity: 1;
  transform: translateY(0);
}

/* Contact page
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-8);
  align-items: start;
}

.map-wrap {
  margin-bottom: var(--space-8);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 21 / 9;
}

.map-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.info-block {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
}

.info-block__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.info-list {
  display: grid;
  gap: var(--space-5);
}

.info-list__item {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: var(--space-3);
  align-items: start;
}

.info-list__icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(0,188,212,0.12);
  color: var(--accent);
  display: grid;
  place-items: center;
}

.info-list__icon svg { width: 16px; height: 16px; }

.info-list__label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}

.info-list__value {
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--white);
  word-break: keep-all;
}

.info-list__value a:hover {
  color: var(--accent);
}

/* Form
   ========================================================================== */
.form {
  background: var(--white);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.form__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.form__sub {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: var(--space-6);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.form__field {
  margin-bottom: var(--space-4);
}

.form__label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--space-2);
}

.form__label .req {
  color: #e53e3e;
  margin-left: 4px;
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-size: 1rem;            /* 16px — iOS Safari 입력 시 자동 줌 방지 */
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: 0;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,188,212,0.15);
}

.form__textarea {
  min-height: 140px;
  resize: vertical;
  font-family: inherit;
}

.form__check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  font-size: 0.875rem;
  color: var(--gray-700);
}

.form__check input {
  margin-top: 4px;
  accent-color: var(--accent);
}

.form__submit {
  width: 100%;
  background: var(--navy-900);
  color: var(--white);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1.0625rem;
  transition: background var(--transition);
}

.form__submit:hover {
  background: var(--accent);
  color: var(--navy-900);
}

.form__feedback {
  margin-top: var(--space-3);
  text-align: center;
  font-size: 0.95rem;
  min-height: 1.4em;
}

.form__feedback.is-success { color: #2f855a; }
.form__feedback.is-error   { color: #c53030; }

/* Footer
   ========================================================================== */
.site-footer {
  background: var(--navy-900);
  color: var(--gray-300);
  padding-block: var(--space-10) var(--space-6);
  font-size: var(--fs-sm);
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.site-footer__brand svg {
  height: 28px;
  width: auto;
  margin-bottom: var(--space-4);
}

.site-footer__brand p {
  color: var(--gray-300);
  max-width: 320px;
  font-size: 0.9rem;
  line-height: 1.7;
}

.site-footer__col h4 {
  color: var(--white);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.site-footer__col ul {
  display: grid;
  gap: var(--space-2);
}

.site-footer__col a:hover {
  color: var(--accent);
}

.site-footer__bottom {
  margin-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--gray-500);
}

.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.site-footer__meta span::before {
  content: '·';
  margin-right: var(--space-3);
  color: var(--gray-500);
}

.site-footer__meta span:first-child::before { content: ''; margin: 0; }

/* Table scroll wrapper — 모바일 가로 스크롤
   ========================================================================== */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  position: relative;
}

.table-scroll .equipment-table {
  min-width: 640px;  /* 5컬럼 가독성 보장 */
}

/* 모바일 스크롤 가능 힌트 — 우측 그래디언트 */
@media (max-width: 767px) {
  .table-scroll {
    -webkit-mask-image: linear-gradient(to right, black 92%, transparent 100%);
            mask-image: linear-gradient(to right, black 92%, transparent 100%);
  }
}

/* Utilities
   ========================================================================== */
.text-accent { color: var(--accent); }
.text-mono { font-family: var(--font-mono); }
.muted { color: var(--text-muted); }

/* Reveal — IntersectionObserver가 viewport 진입 시 .is-visible 부착
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 같은 줄에 여러 카드가 있을 때 살짝 시간차로 등장 */
.strengths__grid > [data-reveal]:nth-child(2),
.biz-summary__grid > [data-reveal]:nth-child(2),
.values__grid > [data-reveal]:nth-child(2) {
  transition-delay: 0.1s;
}
.strengths__grid > [data-reveal]:nth-child(3),
.biz-summary__grid > [data-reveal]:nth-child(3),
.values__grid > [data-reveal]:nth-child(3) {
  transition-delay: 0.2s;
}

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