/* Circadian calm — sleep hygiene consultations */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,400&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,400&display=swap');

:root {
  --color-bg: #12161a;
  --color-bg-deep: #0a0c0e;
  --color-text: #ece9e2;
  --color-text-muted: rgba(236, 233, 226, 0.72);
  --color-accent: #d98a5f;
  --color-accent-soft: rgba(217, 138, 95, 0.35);
  --color-surface: #232e28;
  --color-surface-glass: rgba(35, 46, 40, 0.55);
  --color-line: rgba(236, 233, 226, 0.12);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-glow: 0 0 80px rgba(217, 138, 95, 0.15);
  --transition-slow: 0.7s ease;
  --transition-fast: 0.3s ease;
  --header-height: 4.5rem;
  --content-max: 72rem;
  --night-factor: 0;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body.is-night-mode {
  --color-text: #f5f2ec;
  --color-text-muted: rgba(245, 242, 236, 0.82);
  --color-accent: #e09a6f;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 10% 20%, rgba(217, 138, 95, calc(0.12 - var(--night-factor) * 0.08)), transparent 60%),
    radial-gradient(ellipse 60% 40% at 90% 80%, rgba(35, 46, 40, 0.6), transparent 55%),
    linear-gradient(180deg, var(--color-bg) 0%, color-mix(in srgb, var(--color-bg) calc(100% - var(--night-factor) * 15%), var(--color-bg-deep)) 100%);
  transition: opacity var(--transition-slow);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover,
a:focus-visible {
  color: color-mix(in srgb, var(--color-accent) 85%, white);
}

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.35rem, 2.5vw, 1.85rem); }

p { color: var(--color-text-muted); max-width: 42rem; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-md);
  z-index: 10000;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent);
  color: var(--color-bg);
  border-radius: var(--radius-md);
}

.skip-link:focus {
  left: var(--space-md);
}

/* Header */
.site-header {
  position: relative;
  z-index: 100;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-line);
  background: rgba(18, 22, 26, 0.75);
  backdrop-filter: blur(12px);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-lg);
  max-width: var(--content-max);
  margin: 0 auto;
  flex-wrap: wrap;
}

.brand-link {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.45rem);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.06em;
  margin-right: auto;
  flex-shrink: 0;
}

.brand-link:hover {
  color: var(--color-accent);
}

.primary-nav {
  display: none;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.primary-nav a {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid transparent;
}

.primary-nav a:hover,
.primary-nav a.is-active {
  color: var(--color-text);
  border-bottom-color: var(--color-accent);
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-glass);
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  margin-left: auto;
  order: 99;
}

.menu-toggle:hover {
  border-color: var(--color-accent);
  background: var(--color-surface);
}

.menu-toggle-icon {
  width: 1.25rem;
  height: 2px;
  background: currentColor;
  position: relative;
  display: block;
}

.menu-toggle-icon::before,
.menu-toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform var(--transition-fast);
}

.menu-toggle-icon::before { top: -6px; }
.menu-toggle-icon::after { top: 6px; }

.menu-toggle.is-open .menu-toggle-icon {
  background: transparent;
}

.menu-toggle.is-open .menu-toggle-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle.is-open .menu-toggle-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .primary-nav { display: flex; }
  .menu-toggle { display: none; }
}

/* Mobile nav panel — separate overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 12, 14, 0.92);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
  pointer-events: none;
}

.nav-overlay.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-overlay-inner {
  text-align: center;
  padding: var(--space-xl);
}

.nav-overlay-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.nav-overlay-list a {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  color: var(--color-text);
  letter-spacing: 0.1em;
}

.nav-overlay-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  background: transparent;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Main layout */
.page-main {
  width: 100%;
}

.section-wrap {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.section-wrap.is-narrow {
  max-width: 48rem;
}

.section-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  display: block;
}

.section-title {
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.section-intro {
  margin-bottom: var(--space-xl);
}

/* Full-width hero banners */
.hero-banner {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  min-height: clamp(18rem, 45vh, 28rem);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-banner-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-banner-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

.hero-banner-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(18, 22, 26, 0.35) 0%,
    rgba(18, 22, 26, 0.75) 55%,
    rgba(18, 22, 26, 0.95) 100%
  );
}

.hero-banner-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg) var(--space-xl);
  text-align: left;
}

.hero-banner-content h1 {
  margin-bottom: var(--space-md);
  max-width: 18ch;
}

.hero-banner-content p {
  font-size: 1.05rem;
}

/* Sunset dimmer */
.dimmer-module {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-surface-glass);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  max-width: 36rem;
}

.dimmer-label {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  display: flex;
  justify-content: space-between;
}

.dimmer-track-wrap {
  position: relative;
  padding: var(--space-md) 0;
}

.dimmer-track {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, #c4a882 0%, #5a4a6a 50%, #1a1f28 100%);
  position: relative;
}

.dimmer-input {
  position: absolute;
  width: 100%;
  height: 2rem;
  top: 50%;
  transform: translateY(-50%);
  margin: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 3;
}

.dimmer-handle {
  position: absolute;
  top: 50%;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 20px var(--color-accent-soft);
  transform: translate(-50%, -50%);
  pointer-events: none;
  transition: box-shadow var(--transition-fast);
  z-index: 2;
}

.dimmer-hint {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

/* Grid sections */
.content-grid {
  display: grid;
  gap: var(--space-lg);
  align-items: start;
}

.content-grid.is-two {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .content-grid.is-two {
    grid-template-columns: 1fr 1fr;
  }
}

.content-grid.is-three {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .content-grid.is-three {
    grid-template-columns: repeat(3, 1fr);
  }
}

.glass-card {
  padding: var(--space-lg);
  background: var(--color-surface-glass);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: border-color var(--transition-slow), transform var(--transition-slow);
}

.glass-card:hover {
  border-color: var(--color-accent-soft);
}

.glass-card h3 {
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.glass-card p {
  font-size: 0.95rem;
}

.media-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-line);
  aspect-ratio: 16 / 10;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* CTA */
.btn-primary {
  display: inline-block;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-accent);
  color: var(--color-bg);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--color-accent) 88%, white);
  color: var(--color-bg);
}

.btn-ghost {
  display: inline-block;
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--color-line);
  color: var(--color-text);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

/* Timeline — circadian roadmap */
.timeline-shell {
  position: relative;
  padding-left: var(--space-lg);
  border-left: 1px solid var(--color-line);
}

.timeline-block {
  margin-bottom: var(--space-md);
}

.timeline-trigger {
  width: 100%;
  text-align: left;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface-glass);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  transition: border-color var(--transition-slow), background var(--transition-slow);
}

.timeline-trigger:hover {
  border-color: var(--color-accent-soft);
}

.timeline-trigger span:first-child {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-accent);
}

.timeline-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.timeline-panel.is-open {
  max-height: 24rem;
  padding: var(--space-md) var(--space-lg) var(--space-lg);
}

.timeline-panel p {
  font-size: 0.9rem;
}

/* Bento — sleep sanctuary */
.bento-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
  }

  .bento-cell.is-wide {
    grid-column: span 2;
  }
}

.bento-cell {
  padding: var(--space-lg);
  background: var(--color-surface-glass);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  min-height: 8rem;
}

.bento-metric {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.bento-cell h3 {
  margin-bottom: var(--space-sm);
}

/* Chronotype cards */
.chronotype-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .chronotype-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

button.chronotype-card {
  font: inherit;
  width: 100%;
  text-align: center;
}

.chronotype-card {
  padding: var(--space-xl) var(--space-lg);
  background: var(--color-surface-glass);
  border: 2px solid var(--color-line);
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-align: center;
  transition: border-color var(--transition-slow), transform var(--transition-slow), box-shadow var(--transition-slow);
}

.chronotype-card:hover {
  border-color: var(--color-accent-soft);
}

.chronotype-card.is-selected {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.chronotype-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  opacity: 0.9;
}

.chronotype-insight {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line);
  display: none;
}

.chronotype-insight.is-visible {
  display: block;
  animation: fadeIn var(--transition-slow) forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Products */
.product-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-top: auto;
  padding-top: var(--space-md);
}

/* Contact form */
.form-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 32rem;
}

.form-field label {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-xs);
  color: var(--color-text-muted);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-surface-glass);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-field textarea {
  min-height: 8rem;
  resize: vertical;
}

.consent-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.consent-row input {
  margin-top: 0.25rem;
  accent-color: var(--color-accent);
}

.map-embed {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  margin-top: var(--space-lg);
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.contact-details {
  margin-top: var(--space-lg);
}

.contact-details li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-muted);
}

.contact-details strong {
  color: var(--color-text);
  font-weight: 500;
}

/* Legal pages */
.legal-body {
  max-width: 48rem;
  margin: 0 auto;
}

.legal-body h2 {
  font-size: 1.5rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.legal-body h3 {
  font-size: 1.2rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.legal-body p,
.legal-body li {
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}

.legal-body ul {
  list-style: disc;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.legal-body ul li {
  color: var(--color-text-muted);
}

.date-stamp {
  font-size: 0.85rem;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

/* Footer */
.site-footer {
  margin-top: var(--space-2xl);
  padding: var(--space-xl) var(--space-lg);
  border-top: 1px solid var(--color-line);
  background: rgba(10, 12, 14, 0.6);
}

.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  align-items: center;
  text-align: center;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md) var(--space-lg);
}

.footer-nav a {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.footer-nav a:hover {
  color: var(--color-text);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm) var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-line);
  width: 100%;
}

.footer-legal a {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.footer-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.footer-meta p {
  max-width: none;
  margin: 0 auto;
}

/* Privacy popup */
.consent-popup {
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  max-width: 28rem;
  z-index: 300;
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  transform: translateY(120%);
  transition: transform var(--transition-slow);
}

.consent-popup.is-shown {
  transform: translateY(0);
}

.consent-popup p {
  font-size: 0.85rem;
  margin-bottom: var(--space-md);
}

.consent-popup-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.consent-popup-actions button {
  flex: 1;
  min-width: 6rem;
}

/* Thank you & 404 */
.status-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
}

.status-page h1 {
  margin-bottom: var(--space-md);
}

.status-page p {
  margin: 0 auto var(--space-lg);
}

/* Centered section utility */
.is-centered {
  text-align: center;
}

.is-centered p {
  margin-left: auto;
  margin-right: auto;
}

.is-centered .cta-row {
  justify-content: center;
}

.is-centered .section-title {
  width: 100%;
  text-align: center;
}

.align-center-grid {
  justify-items: center;
}

/* Utility */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.text-accent { color: var(--color-accent); }

.spacer-sm { margin-bottom: var(--space-md); }
.spacer-lg { margin-bottom: var(--space-xl); }

@media (max-width: 480px) {
  .site-header { padding: var(--space-md); }
  .section-wrap { padding: var(--space-lg) var(--space-md); }
  .hero-banner-content { padding: var(--space-xl) var(--space-md); }
  .consent-popup {
    left: var(--space-md);
    right: var(--space-md);
  }
}