/* ==========================================================
   JAI STUDIO — style.css
   Pastel Lavender · Scandinavian Minimal · Quiet Premium
   ========================================================== */

/* ----------------------------------------------------------
   COLOR VARIABLES
   ---------------------------------------------------------- */
:root {
  --color-bg:           #F8F4FB;
  --color-bg-2:         #F1EAF7;
  --color-surface:      #FFFDF8;
  --color-surface-soft: #F7F0FA;
  --color-lavender:     #B8A7D9;
  --color-lavender-2:   #D8CFF0;
  --color-lavender-3:   #EEE7F6;
  --color-mauve:        #C9B6D8;
  --color-cream:        #FFF8EE;
  --color-text:         #2B2532;
  --color-muted:        #756D7E;
  --color-soft-muted:   #9A90A6;
  --color-border:       rgba(122, 101, 153, 0.18);
  --color-border-mid:   rgba(122, 101, 153, 0.26);
  --color-shadow:       rgba(85, 65, 120, 0.08);
  --color-shadow-soft:  rgba(85, 65, 120, 0.04);

  /* Problem section — deep lavender, not black */
  --color-problem-bg:   #2E2240;
  --color-problem-text: #F5F0FF;

  /* Footer */
  --color-footer-bg:    #2B2532;
  --color-footer-text:  #FFFDF8;

  /* Typography */
  --font-display: 'Cormorant Garamond', 'Noto Serif KR', Georgia, serif;
  --font-ko:      'Noto Sans KR', sans-serif;
  --font-serif-ko:'Noto Serif KR', 'Cormorant Garamond', serif;

  /* Layout */
  --max-w: 1200px;
  --pad:   clamp(24px, 5vw, 80px);
  --radius-card: 28px;
  --radius-btn:  999px;

  /* Motion */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --dur:  0.6s;
  --dur-f:0.2s;
}

/* ----------------------------------------------------------
   RESET
   ---------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; font: inherit; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-ko);
  font-weight: 300;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ----------------------------------------------------------
   CONTAINER
   ---------------------------------------------------------- */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* ----------------------------------------------------------
   TYPOGRAPHY
   ---------------------------------------------------------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--color-text);
}

h4, h5 { font-family: var(--font-ko); font-weight: 400; color: var(--color-text); }

p {
  font-family: var(--font-ko);
  font-size: clamp(0.875rem, 1.4vw, 1rem);
  font-weight: 300;
  color: var(--color-muted);
  line-height: 1.85;
}

/* ----------------------------------------------------------
   SECTION TAG — numbered section label
   ---------------------------------------------------------- */
.section-tag {
  display: block;
  font-family: var(--font-ko);
  font-size: 0.6875rem;
  font-weight: 400;
  color: var(--color-lavender);
  letter-spacing: 0.18em;
  margin-block-end: 20px;
}

/* ----------------------------------------------------------
   BUTTONS — Pill shape, lavender palette
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-ko);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  border: 1px solid transparent;
  border-radius: var(--radius-btn);
  cursor: pointer;
  white-space: nowrap;
  min-height: 48px;
  transition:
    background var(--dur-f) var(--ease),
    color var(--dur-f) var(--ease),
    border-color var(--dur-f) var(--ease),
    box-shadow var(--dur-f) var(--ease);
}

/* Primary — lavender fill */
.btn-primary {
  background: var(--color-lavender);
  color: #fff;
  border-color: var(--color-lavender);
  box-shadow: 0 4px 18px rgba(184, 167, 217, 0.28);
}
.btn-primary:hover {
  background: #A994CF;
  border-color: #A994CF;
  box-shadow: 0 6px 24px rgba(184, 167, 217, 0.38);
}

/* Ghost — soft border */
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-mid);
}
.btn-ghost:hover {
  background: var(--color-lavender-3);
  border-color: var(--color-lavender);
}

/* Outline */
.btn-outline-dark {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border-mid);
}
.btn-outline-dark:hover {
  background: var(--color-lavender-3);
  border-color: var(--color-lavender);
}

/* Nav small button */
.btn-nav {
  padding: 10px 22px;
  font-size: 0.75rem;
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-mid);
  min-height: 40px;
}
.btn-nav:hover {
  background: var(--color-lavender);
  color: #fff;
  border-color: var(--color-lavender);
}

/* Accent */
.btn-accent {
  background: var(--color-lavender);
  color: #fff;
  border-color: var(--color-lavender);
  box-shadow: 0 4px 18px rgba(184, 167, 217, 0.25);
}
.btn-accent:hover {
  background: #A994CF;
  border-color: #A994CF;
}

/* Focus */
.btn:focus-visible, a:focus-visible {
  outline: 2px solid var(--color-lavender);
  outline-offset: 3px;
}

/* ----------------------------------------------------------
   SCROLL ANIMATION
   ---------------------------------------------------------- */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.fade-up.is-visible { opacity: 1; transform: translateY(0); }

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

/* ----------------------------------------------------------
   NAVIGATION
   ---------------------------------------------------------- */
.nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 900;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.nav.scrolled {
  background: rgba(248, 244, 251, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4375rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--color-text);
  transition: opacity var(--dur-f);
}
.nav-logo:hover { opacity: 0.6; }

.nav-links { display: flex; align-items: center; gap: 40px; }

.nav-links a:not(.btn) {
  font-family: var(--font-ko);
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-muted);
  letter-spacing: 0.04em;
  position: relative;
  transition: color var(--dur-f);
}
.nav-links a:not(.btn)::after {
  content: '';
  position: absolute;
  inset-block-end: -3px;
  inset-inline-start: 0;
  width: 0;
  height: 1px;
  background: var(--color-lavender);
  transition: width var(--dur) var(--ease);
}
.nav-links a:not(.btn):hover { color: var(--color-text); }
.nav-links a:not(.btn):hover::after { width: 100%; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 10px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-text);
  transition: transform var(--dur) var(--ease);
  transform-origin: center;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav-mobile {
  display: none;
  flex-direction: column;
  max-height: 0;
  overflow: hidden;
  background: rgba(248, 244, 251, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: max-height 0.45s var(--ease);
  border-block-end: 1px solid var(--color-border);
}
.nav-mobile.is-open { max-height: 400px; }
.nav-mobile a {
  font-family: var(--font-ko);
  font-size: 1rem;
  font-weight: 300;
  color: var(--color-text);
  padding: 16px var(--pad);
  border-block-end: 1px solid var(--color-border);
  min-height: 52px;
  display: flex;
  align-items: center;
  transition: color var(--dur-f);
}
.nav-mobile a:last-child { border-block-end: none; color: var(--color-lavender); font-weight: 400; }
.nav-mobile a:hover { color: var(--color-text); }

/* ----------------------------------------------------------
   01. HERO
   ---------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: 120px 100px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 70% at 85% 10%, rgba(216, 207, 240, 0.35) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 10% 90%, rgba(238, 231, 246, 0.40) 0%, transparent 55%),
    radial-gradient(ellipse 45% 40% at 50% 50%, rgba(255, 253, 248, 0.60) 0%, transparent 70%);
  pointer-events: none;
}

/* Hero two-column layout */
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 7vw, 100px);
  align-items: center;
}

.hero-label {
  display: block;
  font-family: var(--font-ko);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-lavender);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-block-end: 28px;
}

.hero-title {
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 300;
  color: var(--color-text);
  letter-spacing: -0.035em;
  line-height: 1.0;
  margin-block-end: 32px;
}

.hero-title em {
  font-style: italic;
  color: var(--color-lavender);
}

.hero-main {
  font-family: var(--font-ko);
  font-size: clamp(0.9375rem, 1.5vw, 1.05rem);
  font-weight: 300;
  color: var(--color-muted);
  line-height: 1.9;
  margin-block-end: 44px;
}

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

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  inset-block-end: 40px;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-scroll-line {
  display: block;
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom, var(--color-lavender-2), transparent);
  animation: scrollPulse 2.4s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.25; }
  50% { opacity: 0.75; }
}

/* Hero Visual — mockup card */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-mockup {
  width: 100%;
  max-width: 460px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  box-shadow:
    0 32px 80px rgba(85, 65, 120, 0.14),
    0 8px 24px rgba(85, 65, 120, 0.07);
  overflow: hidden;
}

.mockup-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: var(--color-bg-2);
  border-block-end: 1px solid var(--color-border);
}

.mockup-bar span {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mockup-bar span:nth-child(1) { background: rgba(255, 139, 139, 0.5); }
.mockup-bar span:nth-child(2) { background: rgba(255, 210, 100, 0.5); }
.mockup-bar span:nth-child(3) { background: rgba(130, 210, 130, 0.5); }

.mockup-nav-strip {
  height: 36px;
  background: var(--color-surface);
  border-block-end: 1px solid var(--color-border);
}

.mockup-hero-area {
  padding: 28px 24px 20px;
  background: linear-gradient(135deg, #F8F4FB 0%, #EEE7F6 100%);
}

.mockup-line {
  height: 10px;
  background: var(--color-lavender-2);
  border-radius: 999px;
  margin-block-end: 10px;
  opacity: 0.7;
}
.mockup-line.lg { width: 75%; height: 14px; opacity: 0.5; background: var(--color-lavender); }
.mockup-line.md { width: 60%; opacity: 0.4; }
.mockup-line.sm { width: 50%; opacity: 0.3; }
.mockup-line.w70 { width: 70%; }

.mockup-btns {
  display: flex;
  gap: 10px;
  margin-block-start: 18px;
}

.mockup-pill { height: 28px; border-radius: 999px; }
.mockup-pill.filled { width: 90px; background: var(--color-lavender); opacity: 0.75; }
.mockup-pill.outline { width: 80px; border: 1.5px solid var(--color-lavender-2); opacity: 0.6; }

.mockup-cards-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 16px 24px 24px;
  background: var(--color-surface);
}

.mockup-mini-card {
  height: 64px;
  background: var(--color-lavender-3);
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

/* Hero deco */
.hero-deco-dot {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, var(--color-lavender-2) 0%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
}

.hero-deco-ring {
  position: absolute;
  bottom: -30px;
  left: -30px;
  width: 100px;
  height: 100px;
  border: 1px solid var(--color-lavender-2);
  border-radius: 50%;
  opacity: 0.3;
  pointer-events: none;
}

/* Hero floating badge */
.hero-badge {
  position: absolute;
  bottom: -16px;
  right: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 12px 20px;
  box-shadow: 0 8px 32px var(--color-shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 90px;
}

.hero-badge-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-lavender);
  line-height: 1;
}

.hero-badge-label {
  font-family: var(--font-ko);
  font-size: 0.625rem;
  font-weight: 300;
  color: var(--color-muted);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

/* ----------------------------------------------------------
   STATS STRIP
   ---------------------------------------------------------- */
.stats-strip {
  background: var(--color-text);
  padding-block: 24px;
}

.stats-inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px clamp(24px, 4vw, 56px);
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 300;
  color: var(--color-lavender-2);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.stat-label {
  font-family: var(--font-ko);
  font-size: 0.6875rem;
  font-weight: 300;
  color: rgba(255, 253, 248, 0.45);
  letter-spacing: 0.08em;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

/* ----------------------------------------------------------
   02. PROBLEM
   ---------------------------------------------------------- */
.problem {
  background: var(--color-problem-bg);
  padding-block: clamp(80px, 12vw, 160px);
}

.problem-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(60px, 9vw, 120px);
  align-items: start;
}

.problem-left { display: flex; flex-direction: column; gap: 28px; align-items: flex-start; }

.problem-left .section-tag { color: rgba(216, 207, 240, 0.6); }

.problem-title {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 300;
  color: var(--color-problem-text);
  line-height: 1.12;
}

.problem-sub {
  font-family: var(--font-serif-ko);
  font-size: clamp(0.9375rem, 1.5vw, 1.05rem);
  font-weight: 300;
  color: rgba(245, 240, 255, 0.55);
  line-height: 1.85;
}

.problem-sub strong {
  color: var(--color-lavender-2);
  font-weight: 400;
}

.problem-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.problem-item {
  display: flex;
  gap: 20px;
  padding: 22px 0;
  border-block-end: 1px solid rgba(216, 207, 240, 0.1);
  align-items: flex-start;
}
.problem-item:first-child { border-block-start: 1px solid rgba(216, 207, 240, 0.1); }

.problem-check {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-lavender);
  flex-shrink: 0;
  margin-block-start: 2px;
  user-select: none;
}

.problem-item strong {
  display: block;
  font-family: var(--font-ko);
  font-size: clamp(0.9rem, 1.4vw, 1rem);
  font-weight: 400;
  color: var(--color-problem-text);
  margin-block-end: 4px;
  line-height: 1.5;
}

.problem-item p {
  font-size: 0.8125rem;
  color: rgba(245, 240, 255, 0.45);
  line-height: 1.7;
}

/* ----------------------------------------------------------
   03. SOLUTION — 4-card grid
   ---------------------------------------------------------- */
.solution {
  padding-block: clamp(80px, 12vw, 160px);
  background: var(--color-surface);
}

.solution-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-block-end: clamp(48px, 7vw, 72px);
}

.solution-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  color: var(--color-text);
  line-height: 1.12;
  margin-block-end: 16px;
}

.solution-sub {
  font-family: var(--font-serif-ko);
  font-size: clamp(0.875rem, 1.4vw, 1rem);
  color: var(--color-muted);
  line-height: 1.85;
}

.solution-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-block-end: clamp(40px, 6vw, 60px);
}

.solution-card {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: clamp(24px, 3.5vw, 40px);
  box-shadow: 0 8px 32px var(--color-shadow-soft);
  transition: box-shadow var(--dur-f), transform var(--dur-f);
}
.solution-card:hover {
  box-shadow: 0 20px 56px var(--color-shadow);
  transform: translateY(-3px);
}

.solution-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 300;
  color: var(--color-lavender-2);
  line-height: 1;
  margin-block-end: 16px;
  user-select: none;
}

.solution-card-title {
  font-family: var(--font-serif-ko);
  font-size: clamp(0.9375rem, 1.5vw, 1.1rem);
  font-weight: 400;
  color: var(--color-text);
  margin-block-end: 10px;
  line-height: 1.4;
}

.solution-card p {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.8;
}

.solution-cta { text-align: center; }

/* ----------------------------------------------------------
   SECTION HEADER (shared)
   ---------------------------------------------------------- */
.section-header { text-align: center; margin-block-end: clamp(48px, 7vw, 80px); }
.section-header h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-block-end: 16px;
}
.section-header p {
  font-family: var(--font-serif-ko);
  font-size: clamp(0.9rem, 1.4vw, 1.1rem);
  color: var(--color-muted);
  line-height: 1.8;
}
.section-header .section-tag { margin-block-end: 12px; }

/* ----------------------------------------------------------
   04. SELECTED WORKS
   ---------------------------------------------------------- */
.works { padding-block: clamp(80px, 11vw, 160px); background: var(--color-bg); }

/* Project articles */
.project {
  padding-block-end: clamp(72px, 10vw, 120px);
  margin-block-end: clamp(72px, 10vw, 120px);
  border-block-end: 1px solid var(--color-border);
}
.project:last-of-type { border-block-end: none; }

.project-meta { display: flex; align-items: baseline; gap: 24px; margin-block-end: 44px; }

.project-number {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 300;
  color: var(--color-lavender);
  opacity: 0.40;
  line-height: 1;
  letter-spacing: -0.03em;
  user-select: none;
}

.project-tag {
  font-family: var(--font-ko);
  font-size: 0.6875rem;
  font-weight: 400;
  color: var(--color-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--color-border-mid);
  padding: 6px 16px;
  border-radius: var(--radius-btn);
  background: var(--color-surface);
}

.project-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 6vw, 72px);
  align-items: start;
}

.project--reverse .project-visual { order: 2; }
.project--reverse .project-content { order: 1; }

/* Project visual */
.project-visual {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 20px;
  box-shadow: 0 20px 60px var(--color-shadow);
}

.project-visual--ballet {
  background: linear-gradient(135deg, #FFFDF8 0%, #F1EAF7 45%, #D8CFF0 100%);
}
.project-visual--garden {
  background: linear-gradient(135deg, #F4F9F4 0%, #EAF2EA 45%, #D4E8D4 100%);
}

.project-visual-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-visual-word {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5.5vw, 4.5rem);
  font-weight: 300;
  font-style: italic;
  color: rgba(184, 167, 217, 0.40);
  letter-spacing: 0.08em;
  user-select: none;
}

.project-visual-ornament {
  position: absolute;
  inset-block-end: 22px;
  inset-inline-end: 22px;
  width: 56px;
  height: 56px;
  border: 1px solid rgba(184, 167, 217, 0.30);
  border-radius: 50%;
}

/* Project content */
.project-content { padding-block-start: 8px; }

.project-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  color: var(--color-text);
  margin-block-end: 20px;
  line-height: 1.1;
}

.project-desc {
  font-size: clamp(0.875rem, 1.2vw, 0.9375rem);
  color: var(--color-muted);
  margin-block-end: 32px;
  line-height: 1.85;
}

.project-detail { display: flex; flex-direction: column; gap: 20px; margin-block-end: 36px; }

.project-detail-item dt {
  font-family: var(--font-ko);
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--color-lavender);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-block-end: 6px;
}
.project-detail-item dd {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.8;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-ko);
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.04em;
  position: relative;
  transition: color var(--dur-f);
  padding-block-end: 2px;
}
.project-link::after {
  content: '';
  position: absolute;
  inset-block-end: 0;
  inset-inline-start: 0;
  width: 100%;
  height: 1px;
  background: var(--color-lavender);
  transform: scaleX(0.25);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.project-link:hover::after { transform: scaleX(1); }

/* Works CTA */
.works-cta {
  text-align: center;
  padding-block: clamp(56px, 8vw, 96px);
  border-block-start: 1px solid var(--color-border);
}
.works-cta p {
  font-family: var(--font-serif-ko);
  font-size: clamp(1rem, 1.7vw, 1.2rem);
  color: var(--color-text);
  line-height: 1.75;
  margin-block-end: 32px;
}

/* ----------------------------------------------------------
   05. CORE STRENGTHS — 4-card grid
   ---------------------------------------------------------- */
.strengths {
  padding-block: clamp(80px, 12vw, 160px);
  background: var(--color-bg-2);
}

.strengths-header {
  max-width: 640px;
  margin-block-end: clamp(52px, 8vw, 80px);
}

.strengths-header .section-tag { margin-block-end: 16px; }

.strengths-title {
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  font-weight: 300;
  color: var(--color-text);
  line-height: 1.06;
  margin-block-end: 24px;
}

.strengths-intro {
  font-family: var(--font-serif-ko);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  font-weight: 300;
  color: var(--color-text);
  line-height: 1.75;
}

.strengths-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-block-end: clamp(48px, 7vw, 72px);
}

.strength-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: 0 20px 60px var(--color-shadow);
  padding: clamp(28px, 4vw, 44px);
  transition: box-shadow var(--dur-f), transform var(--dur-f);
}
.strength-item:hover {
  box-shadow: 0 28px 72px rgba(85, 65, 120, 0.13);
  transform: translateY(-3px);
}

.strength-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 300;
  color: var(--color-lavender-2);
  line-height: 1;
  margin-block-end: 20px;
  user-select: none;
}

.strength-heading {
  font-family: var(--font-serif-ko);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  font-weight: 400;
  color: var(--color-text);
  margin-block-end: 10px;
  letter-spacing: -0.01em;
  line-height: 1.45;
}

.strength-sub {
  font-family: var(--font-display);
  font-size: clamp(0.875rem, 1.3vw, 1rem);
  font-style: italic;
  font-weight: 300;
  color: var(--color-lavender);
  margin-block-end: 10px;
  line-height: 1.5;
}

.strength-content p:not(.strength-sub) {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.8;
}

.mid-cta { text-align: center; }

/* ----------------------------------------------------------
   06. ABOUT
   ---------------------------------------------------------- */
.about {
  padding-block: clamp(80px, 12vw, 160px);
  background: var(--color-surface);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(60px, 9vw, 120px);
  align-items: start;
}

.about-title { font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.2; }

.about-text { padding-block-start: 8px; }
.about-text p {
  font-family: var(--font-serif-ko);
  font-size: clamp(0.9375rem, 1.4vw, 1.05rem);
  color: var(--color-text);
  font-weight: 300;
  line-height: 1.9;
  margin-block-end: 24px;
}
.about-text small {
  display: block;
  font-family: var(--font-ko);
  font-size: 0.8125rem;
  font-weight: 300;
  color: var(--color-muted);
  line-height: 1.75;
  padding-block-start: 20px;
  border-block-start: 1px solid var(--color-border);
}

/* ----------------------------------------------------------
   07. PRICING
   ---------------------------------------------------------- */
.pricing {
  padding-block: clamp(80px, 12vw, 160px);
  background: var(--color-bg-2);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-block-end: clamp(52px, 7vw, 80px);
}

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: 0 20px 60px var(--color-shadow);
  padding: clamp(32px, 4vw, 52px);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: box-shadow var(--dur-f), transform var(--dur-f);
}
.pricing-card:hover {
  box-shadow: 0 28px 72px rgba(85, 65, 120, 0.13);
  transform: translateY(-4px);
}

.pricing-card--featured {
  background: var(--color-lavender-3);
  border-color: var(--color-lavender-2);
}

.pricing-badge {
  display: inline-flex;
  align-self: flex-start;
  background: var(--color-lavender);
  color: #fff;
  font-family: var(--font-ko);
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-btn);
  margin-block-end: 20px;
}

.pricing-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-block-end: 12px;
}

.pricing-package {
  font-family: var(--font-ko);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--color-text);
  text-transform: uppercase;
}

.pricing-pages {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-style: italic;
  font-weight: 300;
  color: var(--color-muted);
}

.pricing-desc {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.7;
  margin-block-end: 28px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-block-end: 28px;
  padding-block: 24px;
  border-block: 1px solid var(--color-border);
}

.price-amount {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 4.5vw, 3.75rem);
  font-weight: 300;
  color: var(--color-text);
  letter-spacing: -0.025em;
  line-height: 1;
}

.price-currency {
  font-family: var(--font-ko);
  font-size: 0.6875rem;
  font-weight: 400;
  color: var(--color-muted);
  padding-block-end: 2px;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-block-end: 32px;
  flex: 1;
}

.pricing-features li {
  font-family: var(--font-ko);
  font-size: 0.8125rem;
  font-weight: 300;
  color: var(--color-muted);
  padding-inline-start: 16px;
  position: relative;
  line-height: 1.55;
}
.pricing-features li::before {
  content: '—';
  position: absolute;
  inset-inline-start: 0;
  color: var(--color-lavender);
  font-size: 0.6875rem;
  top: 2px;
}

.pricing-card .btn { width: 100%; margin-block-start: auto; }

/* Add-ons */
.pricing-addons, .maintenance { margin-block-end: clamp(40px, 6vw, 64px); }

.addon-heading {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-muted);
  margin-block-end: 20px;
}

.addons-grid {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  overflow: hidden;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.addon-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  border-block-end: 1px solid var(--color-border);
  gap: 20px;
}
.addon-item:nth-child(odd) { border-inline-end: 1px solid var(--color-border); }
.addon-item:nth-last-child(-n+2) { border-block-end: none; }

.addon-name { font-family: var(--font-ko); font-size: 0.875rem; font-weight: 300; color: var(--color-muted); }
.addon-price { font-family: var(--font-display); font-size: 1rem; font-weight: 300; color: var(--color-text); white-space: nowrap; }

.maintenance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.maintenance-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: clamp(24px, 3.5vw, 40px);
  box-shadow: 0 8px 32px var(--color-shadow-soft);
}

.maintenance-name {
  display: block;
  font-family: var(--font-ko);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--color-text);
  text-transform: uppercase;
  margin-block-end: 10px;
}

.maintenance-card p {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.7;
  margin-block-end: 20px;
}

.maintenance-price { display: flex; align-items: baseline; gap: 6px; }
.maintenance-amount {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 300;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.maintenance-unit { font-family: var(--font-ko); font-size: 0.6875rem; color: var(--color-muted); }

.pricing-note {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.8;
  margin-block-end: clamp(44px, 7vw, 72px);
}

.pricing-cta {
  text-align: center;
  padding: clamp(48px, 7vw, 80px) var(--pad);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: 0 20px 60px var(--color-shadow-soft);
}

.pricing-cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 300;
  color: var(--color-text);
  line-height: 1.2;
  margin-block-end: 12px;
}

.pricing-cta-sub {
  font-family: var(--font-serif-ko);
  font-size: clamp(0.875rem, 1.4vw, 1rem);
  color: var(--color-muted);
  line-height: 1.78;
  margin-block-end: 32px;
}

/* ----------------------------------------------------------
   08. PROCESS
   ---------------------------------------------------------- */
.process {
  padding-block: clamp(80px, 12vw, 160px);
  background: var(--color-surface);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  list-style: none;
}

.process-step {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: clamp(28px, 4vw, 44px);
  box-shadow: 0 8px 32px var(--color-shadow-soft);
  transition: box-shadow var(--dur-f), transform var(--dur-f);
}
.process-step:hover {
  box-shadow: 0 16px 48px var(--color-shadow);
  transform: translateY(-3px);
}

.step-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 300;
  color: var(--color-lavender-2);
  line-height: 1;
  margin-block-end: 20px;
  user-select: none;
}

.step-title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.8vw, 1.45rem);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.01em;
  margin-block-end: 10px;
}

.process-step p { font-size: 0.8125rem; color: var(--color-muted); line-height: 1.75; }

/* ----------------------------------------------------------
   09. FOOTER / CONTACT
   ---------------------------------------------------------- */
.footer {
  padding-block: clamp(80px, 13vw, 160px) clamp(36px, 5vw, 52px);
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
}

.footer-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(60px, 8vw, 100px);
  align-items: end;
  margin-block-end: clamp(52px, 8vw, 88px);
  padding-block-end: clamp(52px, 8vw, 88px);
  border-block-end: 1px solid rgba(216, 207, 240, 0.15);
}

.footer-label {
  display: block;
  font-family: var(--font-ko);
  font-size: 0.6875rem;
  font-weight: 300;
  color: rgba(255, 253, 248, 0.35);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-block-end: 20px;
}

.footer-title {
  font-size: clamp(2.5rem, 7vw, 6rem);
  font-weight: 300;
  color: var(--color-footer-text);
  line-height: 1.0;
  letter-spacing: -0.03em;
}

.footer-right { display: flex; flex-direction: column; justify-content: flex-end; gap: 32px; }

.footer-sub {
  font-family: var(--font-serif-ko);
  font-size: clamp(0.875rem, 1.3vw, 1rem);
  color: rgba(255, 253, 248, 0.50);
  line-height: 1.85;
}

.footer-actions {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 32px);
  flex-wrap: wrap;
}

.footer-link {
  font-family: var(--font-ko);
  font-size: 0.875rem;
  font-weight: 300;
  color: rgba(255, 253, 248, 0.50);
  letter-spacing: 0.04em;
  position: relative;
  transition: color var(--dur-f);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.footer-link::after {
  content: '';
  position: absolute;
  inset-block-end: -2px;
  inset-inline-start: 0;
  width: 0;
  height: 1px;
  background: var(--color-lavender-2);
  transition: width var(--dur) var(--ease);
}
.footer-link:hover { color: var(--color-footer-text); }
.footer-link:hover::after { width: 100%; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom span {
  font-family: var(--font-ko);
  font-size: 0.6875rem;
  font-weight: 300;
  color: rgba(255, 253, 248, 0.22);
  letter-spacing: 0.04em;
}

/* ----------------------------------------------------------
   RESPONSIVE — Tablet (≤ 1024px)
   ---------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 52px; }
  .hero-visual { max-width: 400px; margin-inline: auto; }
  .solution-cards { grid-template-columns: repeat(2, 1fr); }
  .strengths-list { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 540px; margin-inline: auto; }
  .pricing-card--featured { order: -1; }
  .problem-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-body { grid-template-columns: 1fr; gap: 48px; align-items: start; }
}

/* ----------------------------------------------------------
   RESPONSIVE — Mobile (≤ 768px)
   ---------------------------------------------------------- */
@media (max-width: 768px) {
  /* Nav */
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-mobile { display: flex; }

  /* Hero */
  .hero { padding-block: 100px 72px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero-scroll { display: none; }

  /* Stats strip */
  .stats-inner { gap: 0; }
  .stat-item { padding: 8px clamp(12px, 4vw, 24px); }
  .stat-divider { height: 28px; }

  /* Problem */
  .problem-inner { grid-template-columns: 1fr; gap: 36px; }

  /* Solution */
  .solution-cards { grid-template-columns: 1fr; }
  .solution-cta .btn { width: 100%; }

  /* Projects */
  .project-body { grid-template-columns: 1fr; gap: 28px; }
  .project--reverse .project-visual,
  .project--reverse .project-content { order: unset; }
  .project-visual { aspect-ratio: 16 / 9; }

  /* Strengths */
  .strengths-list { grid-template-columns: 1fr; gap: 16px; }

  /* About */
  .about-content { grid-template-columns: 1fr; gap: 36px; }

  /* Pricing */
  .pricing-grid { grid-template-columns: 1fr; max-width: 100%; gap: 16px; }

  /* Process */
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 12px; }

  /* Addons */
  .addons-grid { grid-template-columns: 1fr; }
  .addon-item:nth-child(odd) { border-inline-end: none; }
  .addon-item:nth-last-child(-n+2) { border-block-end: 1px solid var(--color-border); }
  .addon-item:last-child { border-block-end: none; }

  /* Maintenance */
  .maintenance-grid { grid-template-columns: 1fr; gap: 12px; }

  /* Footer */
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 6px; }
}

/* ----------------------------------------------------------
   RESPONSIVE — Small Mobile (≤ 480px)
   ---------------------------------------------------------- */
@media (max-width: 480px) {
  .hero-title { font-size: clamp(2.5rem, 14vw, 4rem); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }

  .stats-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
  .stat-divider:nth-child(2) { display: none; }
  .stat-divider:nth-child(4) { display: none; }
  .stat-item { border: 1px solid rgba(255,255,255,0.06); }

  .process-steps { grid-template-columns: 1fr; gap: 10px; }

  .footer-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .footer-actions .btn,
  .footer-actions .footer-link { width: 100%; text-align: center; justify-content: center; }

  .works-cta .btn,
  .pricing-cta .btn,
  .solution-cta .btn,
  .mid-cta .btn { width: 100%; }

  .pricing-cta { padding-inline: 20px; }
  .pricing-card { padding: 28px 22px; }
}