@import url('https://api.fontshare.com/css?f[]=zodiak@400,500,600,700&f[]=switzer@400,500,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Hahmlet:wght@400;500;600&family=Noto+Sans+KR:wght@400;500;700&display=swap');
:root {
  --color-bg: #f4f5f0;
  --color-surface: #fffefb;
  --color-soft: #dce8df;
  --color-text: #151a17;
  --color-muted: #626a64;
  --color-line: #cbd1cc;
  --color-primary: #183f35;
  --color-accent: #c9f2cf;
  --color-signal: #ff6f61;
  --color-silver: #bdc5c1;
  --font-heading: Pretendard, SUIT, "Noto Sans KR", Arial, sans-serif;
  --font-body: Pretendard, SUIT, "Noto Sans KR", Arial, sans-serif;
  --container: 1440px;
  --pad-x: 52px;
  --pad-tablet: 32px;
  --pad-mobile: 20px;
  --section-y: 112px;
  --section-y-mobile: 76px;
  --gap-grid: 30px;
  --gap-split: 72px;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;
  --radius-pill: 999px;
  --shadow-soft: 0 22px 80px rgba(21, 26, 23, 0.1);
  --shadow-card: 0 18px 44px rgba(21, 26, 23, 0.08);
  --focus: 0 0 0 3px rgba(255, 111, 97, 0.35);
  --hero-title: clamp(3.4rem, 8vw, 8.8rem);
  --section-title: clamp(2.2rem, 4vw, 5rem);
  color: var(--color-text);
  background: var(--color-bg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  word-break: keep-all;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

body.nav-open {
  overflow: hidden;
}

img,
picture {
  display: block;
  max-width: 100%;
}

img {
  background: linear-gradient(135deg, rgba(220, 232, 223, 0.85), rgba(255, 254, 251, 0.45));
  color: var(--color-muted);
  object-fit: cover;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 1000;
  transform: translateY(-160%);
  background: var(--color-primary);
  color: #fff;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 70px;
  padding: 0 var(--pad-x);
  border-bottom: 1px solid rgba(203, 209, 204, 0.75);
  background: rgba(244, 245, 240, 0.86);
  backdrop-filter: blur(18px);
}

.brand-mark {
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  line-height: 1;
  letter-spacing: 0.18em;
  font-weight: 300;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.site-nav a,
.header-actions a,
.menu-toggle {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.menu-toggle {
  width: 44px;
  border: 0;
  background: transparent;
  color: var(--color-text);
  padding: 0;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  content: "";
  width: 22px;
  height: 1px;
  display: block;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle {
  flex-direction: column;
  gap: 6px;
}

.nav-open .menu-toggle span {
  opacity: 0;
}

.nav-open .menu-toggle::before {
  transform: translateY(7px) rotate(42deg);
}

.nav-open .menu-toggle::after {
  transform: translateY(-7px) rotate(-42deg);
}

.mobile-panel {
  position: fixed;
  inset: 70px 0 auto 0;
  z-index: 90;
  display: none;
  padding: 32px var(--pad-mobile) 40px;
  background: rgba(244, 245, 240, 0.98);
  border-bottom: 1px solid var(--color-line);
}

.mobile-panel a {
  display: block;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
}

.nav-open .mobile-panel {
  display: block;
}

.section {
  padding: var(--section-y) var(--pad-x);
}

.container {
  width: min(100%, var(--container));
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--color-primary);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 420;
  line-height: 1.12;
  letter-spacing: 0;
  text-wrap: balance;
}

.section-title {
  max-width: 960px;
  margin-bottom: 58px;
  font-size: var(--section-title);
}

.lead {
  max-width: 680px;
  color: var(--color-muted);
  font-size: clamp(1.02rem, 1.5vw, 1.2rem);
  line-height: 1.8;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-primary);
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--color-primary);
  color: #fffefb;
}

.btn-accent {
  border-color: var(--color-signal);
  background: var(--color-signal);
  color: #fff;
}

.btn-soft {
  border-color: transparent;
  background: var(--color-accent);
}

.hero {
  position: relative;
  min-height: calc(100vh - 70px);
  display: grid;
  align-items: end;
  padding: 0;
  overflow: hidden;
  background: var(--color-primary);
}

.hero picture,
.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero img {
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100%, var(--container));
  margin: 0 auto;
  padding: 18vh var(--pad-x) 8vh;
  color: #fffefb;
}

.hero-content::before {
  content: "";
  position: absolute;
  inset: auto var(--pad-x) 5vh;
  height: 1px;
  background: rgba(255, 254, 251, 0.45);
}

.hero h1 {
  max-width: 930px;
  margin-bottom: 28px;
  font-size: var(--hero-title);
  line-height: 1.07;
  font-weight: 280;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 520px;
  margin-bottom: 32px;
  color: rgba(255, 254, 251, 0.82);
  font-size: 1.08rem;
}

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

.signal-dot {
  width: 8px;
  height: 8px;
  display: inline-block;
  border-radius: 50%;
  background: var(--color-signal);
  box-shadow: 0 0 0 12px rgba(255, 111, 97, 0.12);
}

.texture-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  min-height: 184px;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.texture-band figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-right: 1px solid rgba(255, 254, 251, 0.8);
}

.texture-band img {
  width: 100%;
  height: 100%;
  min-height: 184px;
}

.texture-band figcaption {
  position: absolute;
  left: 18px;
  bottom: 14px;
  padding: 6px 10px;
  background: rgba(255, 254, 251, 0.76);
  color: var(--color-primary);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.product-stage {
  background: var(--color-surface);
}

.product-showcase {
  display: grid;
  grid-template-columns: 1.1fr 0.82fr 1fr;
  gap: var(--gap-grid);
  align-items: end;
}

.product-card {
  position: relative;
  display: grid;
  gap: 22px;
  padding: 0;
  background: transparent;
}

.product-card:nth-child(2) {
  transform: translateY(48px);
}

.product-card:nth-child(3) {
  transform: translateY(-24px);
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
}

.product-card.tall img {
  aspect-ratio: 3 / 5;
}

.product-card.wide img {
  aspect-ratio: 5 / 4;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--color-line);
}

.product-meta h3 {
  margin-bottom: 6px;
  font-size: 1.25rem;
}

.product-meta p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.formula {
  background: linear-gradient(90deg, var(--color-bg), var(--color-soft));
}

.formula-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: var(--gap-split);
  align-items: stretch;
}

.formula-visual {
  position: relative;
  overflow: hidden;
  min-height: 560px;
  border-radius: var(--radius-md);
  background: var(--color-soft);
}

.formula-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 260ms ease;
}

.formula-visual img.active {
  opacity: 1;
}

.formula-panel {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 30px;
  padding: 44px;
  border: 1px solid var(--color-line);
  background: rgba(255, 254, 251, 0.56);
}

.formula-scale {
  position: relative;
  width: 18px;
  justify-self: center;
  background: rgba(255, 254, 251, 0.9);
  border: 1px solid var(--color-line);
}

.formula-marker {
  position: absolute;
  left: -10px;
  width: 38px;
  height: 6px;
  background: var(--color-signal);
  transform: translateY(-50%);
  transition: top 260ms ease;
}

.formula-tabs {
  display: grid;
  gap: 18px;
  align-self: center;
}

.formula-tab {
  min-height: 76px;
  text-align: left;
  border: 0;
  border-left: 1px solid var(--color-line);
  background: transparent;
  padding: 10px 0 10px 20px;
  color: var(--color-muted);
}

.formula-tab[aria-selected="true"] {
  border-left-color: var(--color-signal);
  color: var(--color-text);
}

.formula-tab strong {
  display: block;
  margin-bottom: 6px;
  font-weight: 520;
}

.story-grid,
.material-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--gap-split);
  align-items: center;
}

.story-image img,
.material-tile img,
.journal-card img {
  width: 100%;
  border-radius: var(--radius-sm);
}

.story-image img {
  aspect-ratio: 16 / 9;
}

.material-grid {
  grid-template-columns: 0.9fr 1.1fr;
}

.material-tiles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-line);
}

.material-tile {
  background: var(--color-surface);
}

.material-tile img {
  aspect-ratio: 1 / 1;
}

.material-tile p {
  margin: 0;
  padding: 16px;
  color: var(--color-muted);
}

.journal {
  background: var(--color-primary);
  color: #fffefb;
}

.journal .eyebrow,
.journal .lead {
  color: rgba(255, 254, 251, 0.72);
}

.journal-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: var(--gap-grid);
}

.journal-card {
  border-top: 1px solid rgba(255, 254, 251, 0.24);
  padding-top: 24px;
}

.journal-card img {
  aspect-ratio: 16 / 10;
  margin-bottom: 22px;
}

.contact-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-split);
  background: #0c211c;
  color: #fffefb;
}

.form-grid {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  color: rgba(255, 254, 251, 0.74);
  font-size: 0.86rem;
}

.field input,
.field textarea,
.sort-select {
  width: 100%;
  border: 1px solid rgba(203, 209, 204, 0.5);
  border-radius: var(--radius-sm);
  background: rgba(255, 254, 251, 0.08);
  color: inherit;
  padding: 14px 12px;
}

.field textarea {
  min-height: 128px;
  resize: vertical;
}

.form-status {
  min-height: 28px;
  color: var(--color-accent);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.footer-links a,
.footer-note {
  display: block;
  margin-bottom: 12px;
  color: rgba(255, 254, 251, 0.68);
}

.page-hero {
  padding: 108px var(--pad-x) 74px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
}

.page-hero h1 {
  max-width: 1080px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 7vw, 7rem);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 48px;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-btn {
  min-height: 42px;
  padding: 9px 15px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-muted);
}

.filter-btn.active {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fffefb;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-grid);
}

.listing-card {
  display: grid;
  gap: 18px;
}

.listing-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-sm);
}

.listing-card h2 {
  margin-bottom: 8px;
  font-size: 1.25rem;
}

.listing-card p {
  color: var(--color-muted);
}

.pdp-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: var(--gap-split);
  align-items: start;
  padding: 74px var(--pad-x) var(--section-y);
  background: var(--color-surface);
}

.gallery {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 18px;
  position: sticky;
  top: 94px;
}

.gallery-thumbs {
  display: grid;
  gap: 12px;
  align-content: start;
}

.gallery-thumb {
  border: 1px solid transparent;
  background: transparent;
  padding: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.gallery-thumb[aria-selected="true"] {
  border-color: var(--color-signal);
}

.gallery-thumb img {
  aspect-ratio: 1 / 1;
  width: 100%;
}

.gallery-main img {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
}

.pdp-info {
  padding-top: 20px;
}

.pdp-info h1 {
  margin-bottom: 16px;
  font-size: clamp(3rem, 6vw, 6.5rem);
}

.pdp-summary {
  color: var(--color-muted);
  font-size: 1.1rem;
}

.info-list {
  display: grid;
  gap: 1px;
  margin: 36px 0;
  background: var(--color-line);
}

.info-list div {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 18px;
  background: var(--color-surface);
  padding: 16px 0;
}

.info-list dt {
  color: var(--color-muted);
}

.info-list dd {
  margin: 0;
}

.pdp-section {
  padding: var(--section-y) var(--pad-x);
  border-top: 1px solid var(--color-line);
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--gap-split);
  align-items: center;
}

.split.reverse {
  grid-template-columns: 1.1fr 0.9fr;
}

.split img {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-sm);
}

.target-list,
.steps,
.routine-row,
.layer-list {
  display: grid;
  gap: 16px;
}

.target-list li,
.steps li,
.routine-row li,
.layer-list li {
  list-style: none;
  padding: 18px 0;
  border-top: 1px solid var(--color-line);
}

.layer-diagram {
  display: grid;
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}

.layer {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  align-items: center;
  min-height: 120px;
  padding: 24px;
  background: rgba(255, 254, 251, 0.72);
}

.ingredient-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap-grid);
}

.ingredient-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
}

.notice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap-grid);
}

.notice-box {
  padding: 30px;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
}

.accordion {
  border-top: 1px solid var(--color-line);
}

.accordion-item {
  border-bottom: 1px solid var(--color-line);
}

.accordion-button {
  width: 100%;
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 0;
  background: transparent;
  color: var(--color-text);
  text-align: left;
  padding: 18px 0;
}

.accordion-button::after {
  content: "+";
  font-size: 1.4rem;
}

.accordion-button[aria-expanded="true"]::after {
  content: "-";
}

.accordion-panel {
  display: none;
  padding: 0 0 24px;
  color: var(--color-muted);
}

.accordion-panel.open {
  display: block;
}

.final-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-split);
  align-items: center;
  background: var(--color-primary);
  color: #fffefb;
}

.final-cta img {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-sm);
}

@media (max-width: 1024px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 var(--pad-tablet);
  }

  .site-nav,
  .header-actions a:not(.menu-link) {
    display: none;
  }

  .hero-content {
    padding-left: var(--pad-tablet);
    padding-right: var(--pad-tablet);
  }

  .product-showcase,
  .formula-grid,
  .story-grid,
  .material-grid,
  .journal-grid,
  .contact-footer,
  .pdp-hero,
  .split,
  .split.reverse,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-card:nth-child(2),
  .product-card:nth-child(3) {
    transform: none;
  }

  .gallery {
    position: static;
  }
}

@media (max-width: 720px) {
  :root {
    --pad-x: var(--pad-mobile);
  }

  .section,
  .pdp-section {
    padding-top: var(--section-y-mobile);
    padding-bottom: var(--section-y-mobile);
  }

  .site-header {
    padding: 0 var(--pad-mobile);
  }

  .brand-mark {
    font-size: 1.5rem;
  }

  .hero {
    min-height: 78vh;
  }

  .hero-content {
    padding: 28vh var(--pad-mobile) 56px;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 15vw, 4.6rem);
    line-height: 1.1;
  }

  .texture-band,
  .product-grid,
  .ingredient-row,
  .notice-grid {
    grid-template-columns: 1fr;
  }

  .texture-band img {
    min-height: 150px;
    aspect-ratio: 16 / 7;
  }

  .formula-panel,
  .gallery {
    grid-template-columns: 1fr;
  }

  .formula-scale {
    display: none;
  }

  .gallery-thumbs {
    display: flex;
    order: 2;
  }

  .gallery-thumb {
    width: 74px;
  }

  .pdp-hero,
  .page-hero {
    padding-left: var(--pad-mobile);
    padding-right: var(--pad-mobile);
  }

  .pdp-info h1,
  .page-hero h1 {
    font-size: clamp(2.6rem, 14vw, 4rem);
  }

  .info-list div,
  .layer {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* Fontshare typography differentiation */
:root {
  --font-heading: "Zodiak", "Hahmlet", "Apple SD Gothic Neo", "Malgun Gothic", serif;
  --font-body: "Switzer", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  --font-accent: "Switzer", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
}
body {
  font-family: var(--font-body);
}
h1,
h2,
h3,
.hero-title,
.product-title,
.section-title,
.brand-mark,
.mark,
.logo,
.site-logo {
  font-family: var(--font-heading);
  font-weight: 400;
}
.eyebrow,
.section-kicker,
.notice,
.announce,
.nav,
.primary-nav,
.button,
.text-link,
.manual-link,
.price,
figcaption,
[data-option],
.gallery-controls button {
  font-family: var(--font-accent);
}
.brand-mark,
.mark,
.logo,
.site-logo {
  letter-spacing: 0.08em;
}
/* translucent serum system: refined serif heading with precise modern sans */