/* ============================================================
   순수기술 SOONSOO TECHNOLOGY — v0.4 White Drafting Paper
   "박사님이 가져오시면, 우리가 만들어드립니다."
   Aesop · Apple Industrial · 도면지 카탈로그 톤
   ============================================================ */

:root {
  /* cool blue — clinical · trustworthy · spacious */
  --c-paper:        #F2F7FB;     /* base — cool off-white */
  --c-paper-2:      #E5EFF7;     /* slightly deeper */
  --c-paper-deep:   #D5E3EE;     /* deepest cool blue */
  --c-ink:          #0A2A4F;     /* deep trustworthy navy */
  --c-ink-soft:     #2C4A6E;
  --c-ink-muted:    #6A82A0;
  --c-ink-faint:    #95A8C0;
  --c-ink-dim:      #C5D2E0;
  --c-line:         rgba(10, 42, 79, 0.10);
  --c-line-soft:    rgba(10, 42, 79, 0.05);
  --c-line-grid:    rgba(10, 42, 79, 0.035);

  --c-accent:       #2E6FE8;     /* 신뢰의 파랑 */
  --c-accent-2:     #00D4FF;     /* 신비 청록 */
  --c-accent-glow:  rgba(46, 111, 232, 0.22);

  --c-success:      #2D7A4D;

  --font-sans:    'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter Tight', 'Pretendard', -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', 'SF Mono', Menlo, monospace;

  --container: 1200px;
  --radius: 2px;
  --radius-lg: 4px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.65, 0, 0.35, 1);

  --shadow-soft: 0 24px 64px -24px rgba(10, 37, 64, 0.18);
  --shadow-card: 0 12px 32px -12px rgba(10, 37, 64, 0.14);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: auto;
  -webkit-text-size-adjust: 100%;
  background: var(--c-paper);
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-ink);
  background: var(--c-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  /* Korean: keep words intact across line breaks */
  word-break: keep-all;
  overflow-wrap: break-word;
}

/* Headlines: same rule, explicit for safety */
.hero-title,
.section-title,
.cta-final-title,
.cta-inline-title,
h1, h2, h3, h4, h5,
.section-lead,
.hero-sub,
.work-card p,
.cap-item p,
.process-body p,
.about-text p {
  word-break: keep-all;
  overflow-wrap: break-word;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.25s var(--ease); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { list-style: none; }

::selection { background: var(--c-accent); color: var(--c-paper); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
}

/* ============================================================
   PAPER GRID — drafting paper background
   ============================================================ */
.paper-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-color: var(--c-paper);
  background-image:
    linear-gradient(var(--c-line-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-line-grid) 1px, transparent 1px),
    linear-gradient(var(--c-line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-line-soft) 1px, transparent 1px);
  background-size:
    24px 24px,
    24px 24px,
    120px 120px,
    120px 120px;
  background-position: -1px -1px;
  pointer-events: none;
}

.paper-grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(255, 255, 255, 0.85) 0%, transparent 70%),
    radial-gradient(ellipse 70% 50% at 0% 80%, rgba(46, 111, 232, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(0, 212, 255, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

/* corner marks (drafting paper feel) */
.corner-marks {
  position: fixed;
  inset: 16px;
  pointer-events: none;
  z-index: 1;
}

.corner {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--c-ink);
  opacity: 0.45;
}

.corner--tl { top: 0; left: 0; border-right: none; border-bottom: none; }
.corner--tr { top: 0; right: 0; border-left: none; border-bottom: none; }
.corner--bl { bottom: 0; left: 0; border-right: none; border-top: none; }
.corner--br { bottom: 0; right: 0; border-left: none; border-top: none; }

@media (max-width: 768px) {
  .corner-marks { inset: 8px; }
  .corner { width: 12px; height: 12px; }
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), backdrop-filter 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(250, 247, 240, 0.85);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom-color: var(--c-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--c-ink);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.logo-ko {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.012em;
}

.logo-en {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--c-ink-muted);
  margin-top: 3px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 40px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-display);
  letter-spacing: 0.005em;
}

.site-nav a:not(.nav-cta) {
  color: var(--c-ink-soft);
  position: relative;
  padding: 4px 0;
}

.site-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0%;
  height: 1px;
  background: var(--c-accent);
  transition: width 0.4s var(--ease);
}

.site-nav a:not(.nav-cta):hover { color: var(--c-ink); }
.site-nav a:not(.nav-cta):hover::after { width: 100%; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  background: var(--c-ink);
  color: var(--c-paper);
  border-radius: 999px;
  font-weight: 600;
  transition: all 0.3s var(--ease);
}

.nav-cta svg { transition: transform 0.3s var(--ease); }
.nav-cta:hover {
  background: var(--c-accent);
  color: var(--c-paper);
}
.nav-cta:hover svg { transform: translate(2px, -2px) rotate(-12deg); }

@media (max-width: 900px) {
  .site-nav a:not(.nav-cta) { display: none; }
}

/* 좁은 폰(360~430px): 로고와 「도면 보내기」가 붙지 않게 */
@media (max-width: 480px) {
  .logo { gap: 10px; }
  .logo-mark { width: 36px; height: 36px; }
  .logo-en { letter-spacing: 0.14em; }
  .nav-cta { padding: 11px 16px; white-space: nowrap; }
}

/* ============================================================
   SHARED — section heads
   ============================================================ */
.section {
  padding: 200px 0;
  position: relative;
}

@media (max-width: 768px) {
  .section { padding: 120px 0; }
}

.section-head {
  margin-bottom: 96px;
  max-width: 720px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 32px;
}

.eyebrow-line {
  display: inline-block;
  width: 40px;
  height: 1px;
  background: var(--c-accent);
}

.eyebrow-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  padding: 4px 9px;
  background: var(--c-ink);
  color: var(--c-paper);
  border-radius: 2px;
  letter-spacing: 0.08em;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.4vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 700;
  color: var(--c-ink);
  margin-bottom: 28px;
  max-width: 20ch;
}

.section-title em {
  color: transparent;
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  font-style: italic;
  font-weight: 800;
  letter-spacing: -0.045em;
}

.section-lead {
  font-size: 17px;
  line-height: 1.7;
  color: var(--c-ink-soft);
  max-width: 580px;
}

.section-lead strong { color: var(--c-ink); font-weight: 600; }

[data-reveal] { opacity: 0; transform: translateY(20px); }
[data-reveal].in-view { opacity: 1; transform: translateY(0); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }

/* ============================================================
   BUTTONS — universal
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 28px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.005em;
  border-radius: 999px;
  transition: all 0.3s var(--ease);
  border: 1px solid transparent;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-lg { padding: 22px 36px; font-size: 16px; }

.btn-primary {
  background: var(--c-ink);
  color: var(--c-paper);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-2) 100%);
  border-radius: inherit;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.5s var(--ease);
  z-index: 0;
}

.btn-primary:hover::before { transform: scaleX(1); transform-origin: left center; }
.btn-primary > * { position: relative; z-index: 1; }
.btn-primary svg { transition: transform 0.4s var(--ease); }
.btn-primary:hover svg { transform: translate(4px, -2px) rotate(-8deg); }

.btn-ghost {
  color: var(--c-ink);
  border-color: var(--c-ink);
  background: transparent;
}

.btn-ghost:hover {
  background: var(--c-ink);
  color: var(--c-paper);
}

.btn-icon {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
  margin-right: 4px;
}

.btn-outline {
  color: var(--c-paper);
  border-color: rgba(250, 247, 240, 0.4);
  background: transparent;
}

.btn-outline:hover {
  background: var(--c-paper);
  color: var(--c-ink);
  border-color: var(--c-paper);
}

/* ============================================================
   HERO — direct call (CTA 톤이 메인)
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 180px 0 140px;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* 3D 와이어프레임 모션 (도면 → 시제품 모티프, 순수 canvas) */
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero-canvas.is-on { opacity: 1; }
@media (max-width: 760px) {
  .hero-canvas.is-on { opacity: 0.5; }  /* 모바일: 헤드라인 가독성 위해 은은하게 */
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.7;
}

.hero-glow--1 {
  top: -15%; right: -10%;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(46, 111, 232, 0.32) 0%, transparent 70%);
  animation: heroGlowDrift 14s ease-in-out infinite alternate;
}

.hero-glow--2 {
  bottom: -25%; left: -15%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.28) 0%, transparent 70%);
  animation: heroGlowDrift 18s ease-in-out infinite alternate-reverse;
}

@keyframes heroGlowDrift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-5%, 5%) scale(1.15); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-ink-soft);
  margin-bottom: 56px;
}

.eyebrow-line {
  width: 40px;
  height: 1px;
  background: var(--c-accent);
  display: inline-block;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6.5vw, 96px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  font-weight: 700;
  margin-bottom: 48px;
  color: var(--c-ink);
  max-width: 18ch;
}

.hero-line { display: block; }

.hero-line--accent em {
  color: transparent;
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  font-style: italic;
  font-weight: 800;
  letter-spacing: -0.055em;
  display: inline-block;
}

.hero-sub {
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.65;
  max-width: 540px;
  margin-bottom: 56px;
  color: var(--c-ink-soft);
  font-weight: 400;
}

.hero-sub strong { color: var(--c-ink); font-weight: 700; }

.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 96px;
  flex-wrap: wrap;
}

/* hero stats */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--c-line);
  padding-top: 36px;
}

.hero-stat {
  padding-right: 28px;
  border-right: 1px solid var(--c-line);
}

.hero-stat:last-child { border-right: none; }

.hero-stat-num {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1;
  margin-bottom: 12px;
  color: var(--c-ink);
  display: flex;
  align-items: baseline;
}

.hero-stat-num .unit {
  font-size: 0.42em;
  font-weight: 500;
  margin-left: 4px;
  color: var(--c-accent);
  letter-spacing: 0;
}

.hero-stat-label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--c-ink-muted);
  font-weight: 500;
}

@media (max-width: 768px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .hero-stat { border-right: none; padding-right: 0; padding-bottom: 16px; border-bottom: 1px solid var(--c-line); }
  .hero-stat:nth-last-child(-n+2) { border-bottom: none; }
}

/* ============================================================
   WORKS — 사례 모자이크
   ============================================================ */
.works {
  background: var(--c-paper);
  border-top: 1px solid var(--c-line);
}

.works-mosaic {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 80px;
}

.work-card {
  position: relative;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.4s var(--ease);
  display: flex;
  flex-direction: column;
}

.work-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-ink);
  box-shadow: var(--shadow-card);
}

.work-card--lg { grid-column: span 2; }
.work-card--wide { grid-column: span 2; }

@media (max-width: 1024px) {
  .works-mosaic { grid-template-columns: repeat(2, 1fr); }
  .work-card--lg, .work-card--wide { grid-column: span 2; }
}

@media (max-width: 640px) {
  .works-mosaic { grid-template-columns: 1fr; }
  .work-card--lg, .work-card--wide { grid-column: span 1; }
}

.work-img {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  /* 사진 미로드/대기 시 깨진 아이콘 대신 보이는 브랜드 톤 도면 박스 */
  background: linear-gradient(135deg, var(--c-paper-2) 0%, var(--c-paper-deep) 100%);
}

.work-card--lg .work-img,
.work-card--wide .work-img {
  aspect-ratio: 16 / 9;
}

.work-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease), filter 0.6s var(--ease);
  /* 시원한 클리니컬 톤: 흑백 + 살짝 밝게 */
  filter: grayscale(1) contrast(1.05) brightness(1.05);
}

.work-card:hover .work-img img {
  transform: scale(1.06);
  filter: grayscale(0.2) contrast(1.05) brightness(1.02);
}

/* duotone wash on top — cool blue paper */
.work-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(46, 111, 232, 0.06) 0%, rgba(0, 212, 255, 0.10) 100%);
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: multiply;
}

.work-corner-marks {
  position: absolute;
  inset: 12px;
  pointer-events: none;
}

.work-corner-marks span {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--c-paper);
  opacity: 0.7;
}

.work-corner-marks span:nth-child(1) { top: 0; left: 0; border-right: none; border-bottom: none; }
.work-corner-marks span:nth-child(2) { top: 0; right: 0; border-left: none; border-bottom: none; }
.work-corner-marks span:nth-child(3) { bottom: 0; left: 0; border-right: none; border-top: none; }
.work-corner-marks span:nth-child(4) { bottom: 0; right: 0; border-left: none; border-top: none; }

.work-body {
  padding: 24px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.work-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.work-num { color: var(--c-accent); font-weight: 500; }
.work-tag { color: var(--c-ink-muted); text-transform: uppercase; font-size: 10px; }

.work-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.018em;
  line-height: 1.25;
  color: var(--c-ink);
}

.work-card--lg h3 { font-size: 28px; }

.work-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-ink-muted);
}

/* works note */
.works-note {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  background: var(--c-paper-2);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--c-accent);
}

.works-note-line {
  width: 4px;
  height: 28px;
  background: var(--c-accent);
  flex-shrink: 0;
  display: none;
}

.works-note p {
  font-size: 14px;
  color: var(--c-ink-soft);
  line-height: 1.7;
}

.works-note a {
  color: var(--c-accent);
  font-weight: 600;
  border-bottom: 1px solid currentColor;
  margin-left: 8px;
}

/* ============================================================
   INLINE CTA BLOCK
   ============================================================ */
.cta-block {
  padding: 80px 0;
  background: var(--c-ink);
  color: var(--c-paper);
  position: relative;
  overflow: hidden;
}

.cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 50%, rgba(46, 111, 232, 0.18) 0%, transparent 50%),
    radial-gradient(circle at 20% 100%, rgba(0, 212, 255, 0.14) 0%, transparent 50%);
  pointer-events: none;
}

.cta-block .container { position: relative; z-index: 1; }

.cta-inline-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: center;
}

.cta-inline-eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 16px;
}

.cta-inline-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.6vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 700;
  color: var(--c-paper);
}

.cta-inline-title em {
  color: transparent;
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  font-style: italic;
  font-weight: 800;
}

.cta-inline-actions {
  display: flex;
  justify-content: flex-end;
}

.cta-block .btn-primary {
  background: var(--c-paper);
  color: var(--c-ink);
}

.cta-block .btn-primary::before {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-2) 100%);
}

.cta-block .btn-primary:hover { color: var(--c-paper); }

@media (max-width: 768px) {
  .cta-inline-grid { grid-template-columns: 1fr; }
  .cta-inline-actions { justify-content: flex-start; }
}

/* ============================================================
   CAPABILITIES — 자체 기술
   ============================================================ */
.capabilities {
  background: var(--c-paper);
  border-top: 1px solid var(--c-line);
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--c-ink);
  border-left: 1px solid var(--c-line);
}

.cap-item {
  border-right: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  padding: 36px 32px 40px;
  position: relative;
  transition: background 0.3s var(--ease);
}

.cap-item:hover { background: var(--c-paper-2); }

.cap-id {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-accent);
  margin-bottom: 24px;
  display: block;
  font-weight: 500;
}

.cap-item h4 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.012em;
  margin-bottom: 10px;
  color: var(--c-ink);
}

.cap-item p {
  font-size: 13px;
  line-height: 1.55;
  color: var(--c-ink-muted);
}

@media (max-width: 1024px) { .cap-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .cap-grid { grid-template-columns: 1fr; } }

/* ============================================================
   PROCESS — 4단계 (도면지 표 톤)
   ============================================================ */
.process {
  background: var(--c-paper-2);
  border-top: 1px solid var(--c-line);
}

.process-list {
  border-top: 1px solid var(--c-ink);
}

.process-row {
  display: grid;
  grid-template-columns: 100px 1fr 120px;
  gap: 48px;
  align-items: baseline;
  padding: 36px 0;
  border-bottom: 1px solid var(--c-line);
  position: relative;
  transition: background 0.3s var(--ease);
}

.process-row:hover { background: rgba(255, 255, 255, 0.4); }

.process-step {
  font-family: var(--font-display);
  font-size: clamp(40px, 4vw, 56px);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--c-accent);
  line-height: 1;
}

.process-body h4 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.018em;
  margin-bottom: 10px;
  color: var(--c-ink);
}

.process-body p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-ink-soft);
  max-width: 640px;
}

.process-time {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-ink-muted);
  text-align: right;
  font-weight: 500;
}

@media (max-width: 768px) {
  .process-row { grid-template-columns: 60px 1fr; gap: 20px; padding: 28px 0; }
  .process-time { grid-column: 2; text-align: left; padding-top: 8px; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  background: var(--c-paper);
  border-top: 1px solid var(--c-line);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 96px;
  align-items: start;
}

.about-text p {
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-ink-soft);
  margin-bottom: 24px;
  max-width: 640px;
}

.about-text strong { color: var(--c-ink); font-weight: 700; }
.about-text em { color: var(--c-accent); font-style: italic; font-weight: 600; }

.about-marks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.about-mark {
  background: var(--c-paper);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mark-num {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--c-ink);
  display: flex;
  align-items: baseline;
}

.mark-num em {
  font-size: 0.42em;
  font-weight: 500;
  margin-left: 4px;
  color: var(--c-accent);
  font-style: normal;
}

.mark-num--small { font-size: 22px; line-height: 1.2; color: var(--c-accent); }

.mark-label {
  font-size: 13px;
  color: var(--c-ink-muted);
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 56px; }
}

/* ============================================================
   CTA FINAL — Hero 톤 한 번 더
   ============================================================ */
.cta-final {
  position: relative;
  padding: 200px 0 180px;
  background: var(--c-ink);
  color: var(--c-paper);
  overflow: hidden;
  isolation: isolate;
  border-top: 1px solid var(--c-line);
}

.cta-final-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cta-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
}

.cta-glow--1 {
  top: -10%; right: 0%;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(46, 111, 232, 0.32) 0%, transparent 60%);
  animation: glowPulse 8s ease-in-out infinite alternate;
}

.cta-glow--2 {
  bottom: -20%; left: 10%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.22) 0%, transparent 60%);
  animation: glowPulse 10s ease-in-out infinite alternate-reverse;
}

@keyframes glowPulse {
  0% { opacity: 0.7; transform: scale(1) translate(0, 0); }
  100% { opacity: 1; transform: scale(1.18) translate(-3%, -2%); }
}

.cta-final-inner {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  text-align: center;
}

.cta-final-eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 32px;
}

.cta-final-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.6vw, 84px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin-bottom: 32px;
  color: var(--c-paper);
}

.cta-final-title em {
  color: transparent;
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  font-style: italic;
  font-weight: 800;
}

.cta-final-sub {
  font-size: 19px;
  line-height: 1.65;
  color: rgba(250, 247, 240, 0.78);
  margin-bottom: 56px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.cta-final-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 96px;
  justify-content: center;
}

.cta-final .btn-primary {
  background: var(--c-paper);
  color: var(--c-ink);
}

.cta-final .btn-primary::before {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-2) 100%);
}

.cta-final .btn-primary:hover { color: var(--c-paper); }

.cta-final-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding-top: 48px;
  border-top: 1px solid rgba(250, 247, 240, 0.18);
  text-align: left;
}

.cta-final-info > div {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cta-final-info span {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(250, 247, 240, 0.45);
}

.cta-final-info strong {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-paper);
}

@media (max-width: 768px) {
  .cta-final { padding: 140px 0 120px; }
  .cta-final-info { grid-template-columns: 1fr; gap: 24px; text-align: center; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--c-paper-2);
  color: var(--c-ink-soft);
  padding: 96px 0 40px;
  font-size: 14px;
  border-top: 1px solid var(--c-line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 80px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 32px;
}

.footer-brand .logo--footer { margin-bottom: 20px; color: var(--c-ink); }
.footer-tagline {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--c-ink-muted);
  font-style: italic;
  max-width: 320px;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-cols h5 {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-ink);
  margin-bottom: 20px;
}

.footer-cols a {
  display: block;
  padding: 5px 0;
  color: var(--c-ink-muted);
  transition: color 0.2s var(--ease);
}

.footer-cols a:hover { color: var(--c-accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--c-ink-faint);
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
}