/* ==========================================================================
   HAEUN — DESIGN TOKENS
   Mobile-first: base rules target small screens. Enhancements layer on
   top via min-width media queries as the viewport grows.
   ========================================================================== */
:root {
  /* Brand colors (locked) */
  --navy:       #1B2340;
  --cream:      #F6F1E7;
  --gold:       #B98D5E;

  /* Derived neutrals, tinted toward navy/cream */
  --navy-soft:  #3A4160;
  --navy-faint: #5C6478;
  --line:       #E4DCC9;
  --cream-deep: #EFE8D9;
  --cream-muted: #C9C2AE;

  /* Type */
  --font-display: 'Montserrat', sans-serif;
  --font-hangul:  'Pretendard', sans-serif;

  /* Spacing scale (4pt) */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  40px;
  --space-2xl: 72px;
  --space-3xl: 112px;

  --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Breakpoints used throughout (documented, not custom-property media
   queries — CSS doesn't support vars in @media, kept here for reference):
   640px  — larger phones / small tablets
   900px  — tablet / desktop switch                                     */

/* ==========================================================================
   RESET
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--cream);
  color: var(--navy);
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-wrap: break-word;
}
main { flex: 1 0 auto; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; background: none; border: none; cursor: pointer; }

.hangul-inline, .logo-hangul {
  font-family: var(--font-hangul);
  white-space: nowrap;
}

/* ==========================================================================
   NAV — mobile base: logo + hamburger, drawer nav
   ========================================================================== */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  position: relative;
  z-index: 10;
}

.logo-lockup {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}
.logo-lockup--nav .logo-roman  { font-size: 1rem; letter-spacing: 0.06em; }
.logo-lockup--nav .logo-hangul { font-size: 0.9rem; }

.logo-roman {
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--navy);
}
.logo-rule {
  width: 1px;
  height: 1em;
  background: var(--gold);
  display: inline-block;
}
.logo-hangul {
  font-weight: 500;
  color: var(--gold);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
}
.nav-toggle span {
  width: 22px;
  height: 1px;
  background: var(--navy);
}

.nav-links {
  position: fixed;
  inset: 0 0 0 30%;
  background: var(--cream);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: var(--space-2xl) var(--space-xl);
  gap: var(--space-lg);
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transform: translateX(100%);
  transition: transform 0.35s var(--ease-out-quint);
  z-index: 20;
}
.nav-links.open { transform: translateX(0); }
.nav-links a { opacity: 0.75; transition: opacity 0.2s var(--ease-out-quint); }
.nav-links a:hover, .nav-links a:focus-visible { opacity: 1; }

@media (min-width: 900px) {
  .site-nav { padding: var(--space-lg) var(--space-2xl); }
  .logo-lockup--nav .logo-roman  { font-size: 1.05rem; letter-spacing: 0.08em; }
  .logo-lockup--nav .logo-hangul { font-size: 0.95rem; }

  .nav-toggle { display: none; }

  .nav-links {
    position: static;
    inset: auto;
    background: none;
    flex-direction: row;
    align-items: center;
    padding: 0;
    gap: var(--space-xl);
    font-size: 0.85rem;
    transform: none;
    transition: none;
  }
}

/* ==========================================================================
   HERO — mobile base
   ========================================================================== */
.hero {
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: var(--space-2xl) var(--space-lg);
}

.hero-signature {
  position: absolute;
  top: 0;
  right: 0;
  width: 78vw;
  height: auto;
  opacity: 0.4;
  pointer-events: none;
}
.sig-circle {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1;
}
.sig-line {
  stroke: var(--navy-faint);
  stroke-width: 1;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy-soft);
  margin: 0 0 var(--space-lg);
}

.logo-lockup--hero {
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}
.logo-lockup--hero .logo-roman {
  font-size: clamp(2rem, 10vw, 4rem);
  font-weight: 200;
}
.logo-lockup--hero .logo-rule {
  height: clamp(2rem, 10vw, 4rem);
  align-self: stretch;
}
.logo-lockup--hero .logo-hangul {
  font-size: clamp(1.3rem, 6.5vw, 2.6rem);
  font-weight: 500;
}

.hero-vision {
  font-size: clamp(1rem, 4.5vw, 1.35rem);
  font-weight: 300;
  color: var(--navy);
  max-width: 30ch;
  margin: 0 0 var(--space-xl);
}

.hero-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--gold);
  padding-bottom: var(--space-xs);
}
.hero-link-arrow { transition: transform 0.3s var(--ease-out-quint); }
.hero-link:hover .hero-link-arrow,
.hero-link:focus-visible .hero-link-arrow { transform: translateX(4px); }

@media (min-width: 640px) {
  .hero { padding: 0 var(--space-2xl); }
}

@media (min-width: 900px) {
  .hero { min-height: 88vh; padding: 0 clamp(var(--space-lg), 5vw, var(--space-2xl)); }
  .hero-signature { width: min(48vw, 620px); opacity: 0.55; }
}

/* ==========================================================================
   BRAND TEASER
   ========================================================================== */
.brand-teaser {
  padding: var(--space-2xl) var(--space-lg);
  border-top: 1px solid var(--line);
}
.brand-teaser-inner { max-width: 640px; }
.brand-teaser-name {
  font-weight: 300;
  font-size: clamp(1.6rem, 7vw, 2.6rem);
  margin: 0 0 var(--space-lg);
  letter-spacing: 0.02em;
}
.brand-teaser-name .hangul-inline {
  color: var(--gold);
  font-size: 0.7em;
  font-weight: 500;
  margin-left: var(--space-sm);
}
.brand-teaser-copy {
  color: var(--navy-soft);
  max-width: 52ch;
  margin: 0 0 var(--space-lg);
}
.text-link {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--gold);
  padding-bottom: var(--space-xs);
}

@media (min-width: 900px) {
  .brand-teaser { padding: var(--space-3xl) clamp(var(--space-lg), 5vw, var(--space-2xl)); }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  background: var(--navy);
  color: var(--cream);
}
.site-footer .logo-lockup--footer .logo-roman { color: var(--cream); }
.footer-inner {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer-links a { opacity: 0.75; }
.footer-links a:hover, .footer-links a:focus-visible { opacity: 1; }
.footer-copy {
  font-size: 0.75rem;
  color: var(--cream-muted);
  margin: 0;
}

@media (min-width: 640px) {
  .footer-inner { flex-direction: row; align-items: center; justify-content: space-between; flex-wrap: wrap; }
  .footer-links { flex-direction: row; gap: var(--space-xl); }
}
@media (min-width: 900px) {
  .site-footer { padding: var(--space-2xl) clamp(var(--space-lg), 5vw, var(--space-2xl)) var(--space-lg); }
}

/* ==========================================================================
   MOTION — entrance
   ========================================================================== */
.hero-inner > * {
  opacity: 0;
  transform: translateY(10px);
  animation: rise 0.7s var(--ease-out-quint) forwards;
}
.hero-inner > *:nth-child(1) { animation-delay: 0.05s; }
.hero-inner > *:nth-child(2) { animation-delay: 0.15s; }
.hero-inner > *:nth-child(3) { animation-delay: 0.28s; }
.hero-inner > *:nth-child(4) { animation-delay: 0.4s; }

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-inner > * {
    animation: none;
    opacity: 1;
    transform: none;
  }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   SUB-PAGE HERO (About / Brands / Contact)
   ========================================================================== */
.page-hero {
  padding: var(--space-2xl) var(--space-lg) var(--space-xl);
}
.page-hero-heading {
  font-weight: 200;
  font-size: clamp(1.9rem, 8vw, 3.4rem);
  max-width: 20ch;
  margin: 0;
}
.page-hero-heading .hangul-inline {
  color: var(--gold);
  font-size: 0.6em;
  font-weight: 500;
  margin-left: var(--space-sm);
}
@media (min-width: 900px) {
  .page-hero { padding: var(--space-3xl) clamp(var(--space-lg), 5vw, var(--space-2xl)) var(--space-2xl); }
}

/* ==========================================================================
   PHILOSOPHY (About page)
   ========================================================================== */
.philosophy-block {
  padding: 0 var(--space-lg) var(--space-2xl);
  border-bottom: 1px solid var(--line);
}
.philosophy-text {
  max-width: 68ch;
  font-size: clamp(1rem, 4vw, 1.25rem);
  font-weight: 300;
  color: var(--navy);
}
.philosophy-text .hangul-inline {
  color: var(--gold);
  font-family: var(--font-hangul);
  font-weight: 500;
  font-size: 0.85em;
}
.gloss {
  font-size: 0.62em;
  color: var(--navy-soft);
  vertical-align: middle;
  white-space: nowrap;
}
@media (min-width: 900px) {
  .philosophy-block { padding: 0 clamp(var(--space-lg), 5vw, var(--space-2xl)) var(--space-3xl); }
}

/* Mission / Vision — mobile: stacked */
.mvv {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  padding: var(--space-2xl) var(--space-lg);
  border-bottom: 1px solid var(--line);
}
.mvv-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy-soft);
  margin: 0 0 var(--space-md);
}
.mvv-copy {
  font-size: clamp(1.05rem, 4.5vw, 1.5rem);
  font-weight: 300;
  max-width: 26ch;
  margin: 0;
}
.mvv-vision {
  border-top: 1px solid var(--line);
  padding-top: var(--space-xl);
}

@media (min-width: 900px) {
  .mvv {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    padding: var(--space-3xl) clamp(var(--space-lg), 5vw, var(--space-2xl));
  }
  .mvv-vision {
    border-top: none;
    border-left: 1px solid var(--line);
    padding-top: 0;
    padding-left: var(--space-2xl);
  }
}

/* Values — hairline list, not repeated icon cards */
.values-list {
  padding: var(--space-2xl) var(--space-lg);
  border-bottom: 1px solid var(--line);
}
.values-list .mvv-label { margin-bottom: var(--space-xl); }
.value-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--line);
}
.value-item:last-child { border-bottom: 1px solid var(--line); }
.value-name {
  font-weight: 400;
  font-size: 1.05rem;
  margin: 0;
}
.value-name .hangul-inline {
  color: var(--gold);
  font-weight: 500;
  margin-left: var(--space-xs);
}
.value-desc {
  color: var(--navy-soft);
  max-width: 52ch;
  margin: 0;
}

@media (min-width: 700px) {
  .value-item { grid-template-columns: minmax(180px, 260px) 1fr; gap: var(--space-xl); }
}
@media (min-width: 900px) {
  .values-list { padding: var(--space-3xl) clamp(var(--space-lg), 5vw, var(--space-2xl)); }
}

/* Bridge to Yeorin */
.bridge-section {
  padding: var(--space-2xl) var(--space-lg);
}
.bridge-copy {
  max-width: 60ch;
  font-size: clamp(1rem, 4vw, 1.25rem);
  font-weight: 300;
  margin: 0 0 var(--space-lg);
}
@media (min-width: 900px) {
  .bridge-section { padding: var(--space-3xl) clamp(var(--space-lg), 5vw, var(--space-2xl)); }
}

/* ==========================================================================
   BRANDS PAGE
   ========================================================================== */
.brand-feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: start;
  padding: var(--space-xl) var(--space-lg) var(--space-2xl);
  border-bottom: 1px solid var(--line);
}
.brand-feature-name {
  font-weight: 300;
  font-size: clamp(1.8rem, 8vw, 3rem);
  margin: 0 0 var(--space-lg);
}
.brand-feature-name .hangul-inline {
  color: var(--gold);
  font-size: 0.6em;
  font-weight: 500;
  margin-left: var(--space-sm);
}
.brand-feature-copy {
  color: var(--navy-soft);
  max-width: 48ch;
  margin: 0 0 var(--space-lg);
}
.brand-feature-meta {
  border-top: 1px solid var(--line);
  padding-top: var(--space-lg);
}
.brand-feature-meta dt {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy-faint);
  margin: 0 0 var(--space-xs);
}
.brand-feature-meta dd {
  margin: 0 0 var(--space-lg);
  font-weight: 300;
}

@media (min-width: 720px) {
  .brand-feature { grid-template-columns: 1fr 1fr; gap: var(--space-2xl); }
}
@media (min-width: 900px) {
  .brand-feature { padding: var(--space-2xl) clamp(var(--space-lg), 5vw, var(--space-2xl)) var(--space-3xl); }
}

.next-brand-note {
  padding: var(--space-xl) var(--space-lg) var(--space-2xl);
  color: var(--navy-faint);
  font-size: 0.95rem;
  max-width: 50ch;
}
@media (min-width: 900px) {
  .next-brand-note { padding: var(--space-2xl) clamp(var(--space-lg), 5vw, var(--space-2xl)) var(--space-3xl); }
}

/* ==========================================================================
   CONTACT PAGE
   ========================================================================== */
.contact-groups {
  padding: 0 var(--space-lg) var(--space-2xl);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}
.contact-group {
  border-top: 1px solid var(--line);
  padding-top: var(--space-lg);
}
.contact-group h2 {
  font-weight: 400;
  font-size: 1.1rem;
  margin: 0 0 var(--space-sm);
}
.contact-group p {
  color: var(--navy-soft);
  margin: 0 0 var(--space-md);
  max-width: 42ch;
}
.contact-email {
  font-size: 0.95rem;
  border-bottom: 1px solid var(--gold);
  padding-bottom: var(--space-xs);
  display: inline-block;
}

@media (min-width: 640px) {
  .contact-groups { grid-template-columns: 1fr 1fr; gap: var(--space-2xl); }
}
@media (min-width: 900px) {
  .contact-groups { padding: 0 clamp(var(--space-lg), 5vw, var(--space-2xl)) var(--space-3xl); }
}

/* ==========================================================================
   FOOTER — legal row
   ========================================================================== */
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.footer-legal {
  display: flex;
  gap: var(--space-lg);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}
.footer-legal a { opacity: 0.7; }
.footer-legal a:hover, .footer-legal a:focus-visible { opacity: 1; }

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ==========================================================================
   LEGAL PAGES (Privacy / Terms)
   ========================================================================== */
.legal-content {
  padding: 0 var(--space-lg) var(--space-2xl);
}
.legal-content .updated {
  font-size: 0.8rem;
  color: var(--navy-faint);
  margin: 0 0 var(--space-xl);
}
.legal-content h2 {
  font-weight: 400;
  font-size: 1.15rem;
  margin: var(--space-xl) 0 var(--space-sm);
}
.legal-content h2:first-of-type { margin-top: 0; }
.legal-content p {
  max-width: 68ch;
  color: var(--navy-soft);
  margin: 0 0 var(--space-md);
}
.legal-content ul {
  max-width: 68ch;
  color: var(--navy-soft);
  padding-left: var(--space-lg);
  margin: 0 0 var(--space-md);
}
.legal-content li { margin-bottom: var(--space-xs); }
.legal-note {
  border-top: 1px solid var(--line);
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  font-size: 0.85rem;
  color: var(--navy-faint);
  max-width: 68ch;
}

@media (min-width: 900px) {
  .legal-content { padding: 0 clamp(var(--space-lg), 5vw, var(--space-2xl)) var(--space-3xl); }
}