:root {
  --midnight: #11131d;
  --indigo: #171c30;
  --ink: #0b0d14;
  --moon: #f8f6ef;
  --silk: #d8d1c3;
  --silk-soft: rgba(216, 209, 195, 0.72);
  --amber: #f0d088;
  --sage: #8fa58a;
  --plum: #6d4e63;
  --line: rgba(248, 246, 239, 0.16);
  --panel: rgba(255, 255, 255, 0.055);
  --panel-strong: rgba(255, 255, 255, 0.095);
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.34);
  --serif-display: "Cormorant Garamond", Georgia, serif;
  --serif-kr: "Noto Serif KR", "Apple SD Gothic Neo", "Malgun Gothic", serif;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--midnight);
  color: var(--silk);
  font-family: var(--serif-kr);
  line-height: 1.7;
  overflow-x: hidden;
}

body::selection {
  background: var(--amber);
  color: var(--ink);
}

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

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

button,
input {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  transform: translateY(-150%);
  background: var(--moon);
  color: var(--ink);
  padding: 0.7rem 1rem;
  z-index: 20;
}

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

.site-header {
  align-items: center;
  backdrop-filter: blur(18px);
  background: rgba(10, 12, 20, 0.62);
  border-bottom: 1px solid rgba(248, 246, 239, 0.09);
  display: grid;
  gap: 1rem;
  grid-template-columns: auto 1fr auto;
  left: 0;
  min-height: 72px;
  padding: 0 5vw;
  position: fixed;
  right: 0;
  top: 0;
  z-index: 10;
}

.brand-mark {
  color: var(--moon);
  font-family: var(--serif-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.primary-nav {
  display: flex;
  gap: clamp(0.7rem, 2vw, 1.8rem);
  justify-content: center;
}

.primary-nav a,
.nav-cta {
  color: rgba(248, 246, 239, 0.8);
  font-size: 0.84rem;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--amber);
}

.nav-cta {
  border: 1px solid rgba(240, 208, 136, 0.42);
  border-radius: 999px;
  color: var(--amber);
  padding: 0.54rem 1rem;
  text-align: center;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--amber);
  color: var(--ink);
}

.hero {
  align-items: center;
  display: grid;
  min-height: 88svh;
  overflow: hidden;
  padding: 112px 5vw 64px;
  position: relative;
}

.hero-image,
.hero-overlay {
  height: 100%;
  inset: 0;
  position: absolute;
  width: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(8, 10, 16, 0.94) 0%, rgba(10, 12, 20, 0.82) 42%, rgba(10, 12, 20, 0.48) 100%),
    linear-gradient(0deg, var(--midnight) 0%, rgba(17, 19, 29, 0.08) 38%);
}

.hero-content {
  max-width: 760px;
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-kicker,
.item-label,
.stage-realm,
.result-label {
  color: var(--amber);
  font-family: var(--serif-display);
  font-size: clamp(0.94rem, 1.6vw, 1.1rem);
  font-style: italic;
  letter-spacing: 0.08em;
  margin: 0 0 0.75rem;
}

h1,
h2,
h3 {
  color: var(--moon);
  font-family: var(--serif-display);
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.05;
  margin: 0;
}

h1 {
  font-size: clamp(4.2rem, 12vw, 10.5rem);
}

h2 {
  font-size: clamp(2.5rem, 6vw, 5.25rem);
}

h3 {
  font-size: clamp(1.85rem, 3vw, 2.65rem);
}

.hero-copy {
  color: rgba(248, 246, 239, 0.86);
  font-size: clamp(1.05rem, 1.65vw, 1.32rem);
  max-width: 680px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.95rem;
  justify-content: center;
  min-height: 48px;
  padding: 0.78rem 1.25rem;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--amber);
  border: 1px solid var(--amber);
  color: #19150d;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(248, 246, 239, 0.28);
  color: var(--moon);
}

.section-pad {
  padding: clamp(5rem, 9vw, 9rem) 5vw;
}

.split-layout {
  align-items: start;
  display: grid;
  gap: clamp(2rem, 6vw, 5rem);
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.78fr);
}

.problem-section {
  background:
    linear-gradient(180deg, var(--midnight), #181b24 55%, #13161e);
}

.section-heading h2 {
  max-width: 920px;
}

.problem-list {
  border-left: 1px solid rgba(240, 208, 136, 0.42);
  color: rgba(248, 246, 239, 0.84);
  display: grid;
  gap: 0.9rem;
  padding-left: 1.4rem;
}

.problem-list p,
.wide-statement,
.section-intro p,
.community-copy p,
.conversion-inner p {
  margin: 0;
}

.wide-statement {
  color: var(--silk-soft);
  font-size: clamp(1.05rem, 1.7vw, 1.34rem);
  margin-top: clamp(3rem, 6vw, 5rem);
  max-width: 980px;
}

.journey-section {
  background:
    linear-gradient(180deg, #13161e, #20251f 45%, #181521);
  border-top: 1px solid var(--line);
}

.section-intro {
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
  max-width: 900px;
}

.section-intro p:not(.eyebrow) {
  color: var(--silk-soft);
  font-size: clamp(1rem, 1.45vw, 1.18rem);
  margin-top: 1.1rem;
}

.stage-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stage-card,
.ecosystem-item,
.diagnosis-panel,
.result-panel,
.community-rhythm {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.stage-card {
  display: flex;
  flex-direction: column;
  min-height: 410px;
  padding: clamp(1.2rem, 2vw, 1.6rem);
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.stage-card:hover {
  background: var(--panel-strong);
  border-color: rgba(240, 208, 136, 0.4);
  transform: translateY(-4px);
}

.stage-card-accent {
  background: rgba(109, 78, 99, 0.22);
}

.stage-number {
  color: rgba(248, 246, 239, 0.45);
  font-family: var(--serif-display);
  font-size: 3rem;
  line-height: 1;
}

.stage-card p:not(.stage-realm),
.ecosystem-item p:not(.item-label),
.result-panel p,
.diagnosis-panel label {
  color: var(--silk-soft);
}

.stage-card h3 {
  margin: 0.35rem 0 1rem;
}

.stage-card a,
.text-link {
  border-bottom: 1px solid rgba(240, 208, 136, 0.5);
  color: var(--amber);
  margin-top: auto;
  padding-bottom: 0.1rem;
  width: fit-content;
}

.diagnosis-section {
  background: #181521;
}

.diagnosis-section {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
}

.diagnosis-section .section-intro {
  grid-column: 1 / -1;
}

.diagnosis-panel {
  display: grid;
  gap: 1.2rem;
  padding: clamp(1.2rem, 2vw, 1.7rem);
}

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

legend {
  color: var(--moon);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.diagnosis-panel label {
  align-items: flex-start;
  border: 1px solid rgba(248, 246, 239, 0.12);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  gap: 0.65rem;
  margin-bottom: 0.58rem;
  min-height: 48px;
  padding: 0.78rem 0.85rem;
  transition: background 180ms ease, border-color 180ms ease;
}

.diagnosis-panel label:has(input:checked) {
  background: rgba(240, 208, 136, 0.12);
  border-color: rgba(240, 208, 136, 0.46);
}

.diagnosis-panel input {
  accent-color: var(--amber);
  margin-top: 0.25rem;
}

.result-panel {
  align-self: start;
  min-height: 280px;
  padding: clamp(1.35rem, 2vw, 1.9rem);
  position: sticky;
  top: 96px;
}

.result-panel h3 {
  margin-bottom: 1rem;
}

.result-panel .button {
  margin-top: 1.2rem;
}

.ecosystem-section {
  background: linear-gradient(180deg, #181521, #161a26);
}

.ecosystem-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ecosystem-item {
  min-height: 310px;
  padding: clamp(1.3rem, 2vw, 1.8rem);
}

.ecosystem-feature {
  background: rgba(143, 165, 138, 0.13);
  border-color: rgba(143, 165, 138, 0.35);
}

.ecosystem-item h3 {
  margin-bottom: 1rem;
}

.community-section {
  align-items: center;
  background:
    linear-gradient(90deg, rgba(13, 15, 23, 0.92), rgba(17, 19, 29, 0.72)),
    url("https://upload.cafenono.com/image/slashpageIconImage/20250810/201018_9wU7G021YB3P0dy1cm?q=85&s=1600x900&t=cover&f=webp") center / cover;
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
}

.community-copy {
  max-width: 820px;
}

.community-copy p:not(.eyebrow) {
  color: rgba(248, 246, 239, 0.82);
  font-size: clamp(1rem, 1.45vw, 1.18rem);
  margin: 1.2rem 0 2rem;
}

.community-rhythm {
  display: grid;
  gap: 0.8rem;
  padding: 1rem;
}

.community-rhythm div {
  align-items: center;
  border: 1px solid rgba(248, 246, 239, 0.12);
  border-radius: 8px;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: 56px 1fr;
  padding: 0.95rem;
}

.community-rhythm span {
  color: var(--amber);
  font-family: var(--serif-display);
  font-style: italic;
}

.community-rhythm strong {
  color: var(--moon);
  font-weight: 600;
}

.conversion-section {
  background: #0f1119;
  padding: clamp(5rem, 9vw, 8rem) 5vw;
}

.conversion-inner {
  max-width: 960px;
}

.conversion-inner p:not(.eyebrow) {
  color: var(--silk-soft);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  margin-top: 1.2rem;
}

.site-footer {
  background: #0b0d14;
  border-top: 1px solid var(--line);
  color: rgba(248, 246, 239, 0.62);
  display: grid;
  gap: 0.6rem;
  padding: 2rem 5vw;
}

.site-footer p {
  margin: 0;
}

.footer-note {
  font-size: 0.82rem;
  max-width: 780px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (max-width: 1050px) {
  .stage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ecosystem-grid {
    grid-template-columns: 1fr;
  }

  .ecosystem-item {
    min-height: auto;
  }
}

@media (max-width: 820px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 64px;
  }

  .primary-nav {
    display: none;
  }

  .brand-mark {
    font-size: 0.95rem;
  }

  .hero {
    min-height: 86svh;
    padding-top: 96px;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(8, 10, 16, 0.62) 0%, rgba(10, 12, 20, 0.86) 42%, rgba(17, 19, 29, 0.96) 100%),
      linear-gradient(0deg, var(--midnight) 0%, rgba(17, 19, 29, 0.05) 52%);
  }

  .split-layout,
  .diagnosis-section,
  .community-section {
    grid-template-columns: 1fr;
  }

  .result-panel {
    position: static;
  }
}

@media (max-width: 620px) {
  .stage-grid {
    grid-template-columns: 1fr;
  }

  .stage-card {
    min-height: 330px;
  }

  .button {
    width: 100%;
  }

  h1 {
    font-size: clamp(3.3rem, 18vw, 5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}