/* ================================================
   SAJU — Korean Destiny Reading
   Stylesheet
   ================================================ */

/* ---- Variables ---- */
:root {
  --ink:        #1a1209;
  --paper:      #f5efe4;
  --aged:       #ddd0b8;
  --red:        #b53a2f;
  --gold:       #b8974a;
  --gold-light: #d4b06a;
  --muted:      #7a6a55;
  --dark-paper: #211508;
  --card-bg:    rgba(255, 255, 255, 0.38);
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Cormorant Garamond', serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Grain overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: multiply;
}

/* ================================================
   PAGE SYSTEM
   ================================================ */
.page {
  display: none;
  min-height: 100vh;
  animation: pageFadeIn 0.7s ease both;
}

.page.active {
  display: flex;
  flex-direction: column;
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ================================================
   HOME PAGE
   ================================================ */
#home {
  background: var(--dark-paper);
  color: var(--paper);
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  position: relative;
}

/* Background decorative characters */
.home-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.home-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 50% 25%, rgba(184,151,74,0.10) 0%, transparent 70%),
    radial-gradient(ellipse 45% 55% at 85% 75%, rgba(181,58,47,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 15% 80%, rgba(184,151,74,0.06) 0%, transparent 60%);
}

.home-bg-char {
  position: absolute;
  font-family: 'Noto Serif KR', serif;
  color: rgba(184, 151, 74, 0.055);
  font-size: 280px;
  font-weight: 300;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  letter-spacing: -8px;
  white-space: nowrap;
  user-select: none;
  line-height: 1;
}

/* Home content */
.home-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  width: 100%;
}

.home-eyebrow {
  font-family: 'Cinzel', serif;
  font-size: 10px;
  letter-spacing: 4.5px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.home-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(72px, 14vw, 130px);
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: -2px;
  margin-bottom: 6px;
}

.home-subtitle-en {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(14px, 2.5vw, 22px);
  font-weight: 300;
  font-style: italic;
  color: rgba(245, 239, 228, 0.55);
  letter-spacing: 3px;
  margin-top: 10px;
}

.home-desc {
  font-size: clamp(14px, 1.8vw, 17px);
  font-weight: 300;
  line-height: 1.75;
  color: rgba(245, 239, 228, 0.62);
  margin: 30px 0 44px;
  font-style: italic;
}

/* Divider ornament */
.divider-ornament {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0 auto 44px;
  max-width: 260px;
  color: var(--gold);
}

.divider-ornament span {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(184,151,74,0.5));
}

.divider-ornament span:last-child {
  background: linear-gradient(to left, transparent, rgba(184,151,74,0.5));
}

.divider-ornament em {
  font-style: normal;
  font-size: 14px;
  opacity: 0.7;
}

/* Nav grid */
.nav-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: 520px;
  margin: 0 auto;
}

.nav-btn {
  position: relative;
  background: transparent;
  border: 1px solid rgba(184,151,74,0.35);
  color: var(--paper);
  padding: 22px 20px 20px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.5px;
  cursor: pointer;
  text-align: left;
  overflow: hidden;
  transition: border-color 0.3s, color 0.3s;
}

.nav-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}

.nav-btn:hover {
  border-color: var(--gold);
  color: var(--dark-paper);
}

.nav-btn:hover::after {
  transform: scaleX(1);
}

.btn-icon {
  display: block;
  font-style: normal;
  font-size: 22px;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
  transition: transform 0.3s;
}

.nav-btn:hover .btn-icon {
  transform: scale(1.15);
}

.nav-btn > *:not(.btn-icon) {
  position: relative;
  z-index: 1;
}

/* ================================================
   INNER PAGES
   ================================================ */
.inner-page {
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  padding: 56px 32px 100px;
  flex: 1;
}

/* Back button */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: none;
  color: var(--muted);
  font-family: 'Cinzel', serif;
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  cursor: pointer;
  margin-bottom: 52px;
  padding: 0;
  transition: color 0.25s, gap 0.25s;
}

.back-btn::before {
  content: '←';
  font-family: 'Cormorant Garamond', serif;
  font-size: 16px;
  transition: transform 0.25s;
}

.back-btn:hover {
  color: var(--ink);
  gap: 14px;
}

.back-btn:hover::before {
  transform: translateX(-4px);
}

/* Page header */
.page-eyebrow {
  font-family: 'Cinzel', serif;
  font-size: 9.5px;
  letter-spacing: 4px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.page-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 300;
  line-height: 1.05;
  color: var(--dark-paper);
  margin-bottom: 14px;
}

.page-title em {
  font-style: italic;
  color: var(--gold);
}

.page-desc {
  font-size: 16px;
  color: var(--muted);
  font-style: italic;
  font-weight: 300;
  line-height: 1.75;
  margin-bottom: 48px;
  max-width: 520px;
}

/* Section divider */
.section-divider {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 20px 0 32px;
  color: var(--muted);
  font-family: 'Cinzel', serif;
  font-size: 9px;
  letter-spacing: 4px;
  text-transform: uppercase;
}

.section-divider::before,
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--aged);
}

/* ================================================
   FORM STYLES
   ================================================ */
.form-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-family: 'Cinzel', serif;
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.form-input,
.form-select {
  border: none;
  border-bottom: 1px solid var(--aged);
  background: transparent;
  padding: 10px 0 10px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  color: var(--ink);
  width: 100%;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  transition: border-color 0.25s;
  border-radius: 0;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--gold);
}

.form-input::placeholder {
  color: rgba(122, 106, 85, 0.35);
}

.form-select option {
  font-family: 'Cormorant Garamond', serif;
}

.select-wrap {
  position: relative;
}

.select-wrap::after {
  content: '∨';
  position: absolute;
  right: 2px;
  top: 10px;
  color: var(--muted);
  font-size: 12px;
  pointer-events: none;
}

/* Submit button */
.submit-btn {
  display: inline-block;
  background: var(--dark-paper);
  color: var(--paper);
  border: none;
  padding: 18px 52px;
  font-family: 'Cinzel', serif;
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
}

.submit-btn:hover {
  background: var(--gold);
  color: var(--dark-paper);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(184,151,74,0.25);
}

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

/* Result placeholder */
.result-placeholder {
  border: 1px dashed var(--aged);
  padding: 56px 32px;
  text-align: center;
  margin-top: 36px;
  background: rgba(245, 239, 228, 0.4);
  transition: opacity 0.3s;
}

.result-char {
  display: block;
  font-family: 'Cinzel', serif;
  font-size: 11px;
  letter-spacing: 6px;
  color: var(--aged);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.result-placeholder p {
  font-style: italic;
  color: var(--muted);
  font-size: 15px;
  font-weight: 300;
}

/* ================================================
   TODAY'S ENERGY — Cards
   ================================================ */
.energy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.energy-card {
  border: 1px solid var(--aged);
  padding: 28px 26px;
  background: var(--card-bg);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}

.energy-card::before {
  content: attr(data-symbol);
  font-family: 'Cinzel', serif;
  position: absolute;
  right: 18px;
  top: 18px;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--aged);
  text-transform: uppercase;
}

.energy-card:hover {
  border-color: var(--gold-light);
  transform: translateY(-2px);
}

.energy-card-label {
  font-family: 'Cinzel', serif;
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.energy-card-title {
  font-size: 24px;
  font-weight: 400;
  color: var(--dark-paper);
  margin-bottom: 10px;
  line-height: 1.2;
}

.energy-card-body {
  font-size: 14px;
  color: var(--muted);
  font-style: italic;
  font-weight: 300;
  line-height: 1.65;
}

.energy-meter {
  display: flex;
  gap: 5px;
  margin-top: 18px;
}

.energy-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--aged);
  transition: background 0.3s;
}

.energy-dot.active {
  background: var(--gold);
}

/* ================================================
   LOVE STYLE — Pillars
   ================================================ */
.love-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--aged);
}

.pillar {
  background: var(--paper);
  padding: 36px 24px;
  text-align: center;
  transition: background 0.3s;
}

.pillar:hover {
  background: #fdf8f0;
}

.pillar-icon {
  display: block;
  font-size: 30px;
  margin-bottom: 18px;
}

.pillar-title {
  font-family: 'Cinzel', serif;
  font-size: 9.5px;
  letter-spacing: 2.5px;
  color: var(--ink);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.pillar-element {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 28px;
  font-style: italic;
  color: var(--gold);
  margin-bottom: 14px;
  line-height: 1;
}

.pillar-body {
  font-size: 13.5px;
  color: var(--muted);
  font-style: italic;
  font-weight: 300;
  line-height: 1.65;
}

/* ================================================
   ENERGY CHEMISTRY
   ================================================ */
.chemistry-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 36px;
}

.chemistry-person-label {
  font-family: 'Cinzel', serif;
  font-size: 10px;
  letter-spacing: 5px;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--aged);
}

.chemistry-form-row {
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 0;
}

.chemistry-separator {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: 64px;
  gap: 10px;
}

.chemistry-vs-symbol {
  font-family: 'Cinzel', serif;
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--gold);
  opacity: 0.6;
  text-transform: uppercase;
}

.chemistry-vs-text {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-style: italic;
  color: var(--aged);
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 700px) {
  .nav-grid {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .love-pillars {
    grid-template-columns: 1fr;
  }

  .chemistry-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .chemistry-separator {
    flex-direction: row;
    padding-top: 0;
    justify-content: center;
    gap: 16px;
    padding: 8px 0;
  }

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

  .home-bg-char {
    font-size: 160px;
  }

  .inner-page {
    padding: 40px 20px 80px;
  }
}

@media (max-width: 420px) {
  .nav-grid {
    grid-template-columns: 1fr;
  }

  .home-title {
    font-size: 72px;
  }
}