/* Atmospheric Diffusion — Mindfulness Pause Platform */

:root {
  --color-dawn-start: #7E909A;
  --color-dawn-end: #ECE9E6;
  --color-mid-start: #9BB7A6;
  --color-mid-end: #F3F4F0;
  --color-eve-start: #2E2538;
  --color-eve-end: #D3A297;
  --color-bg-start: var(--color-dawn-start);
  --color-bg-end: var(--color-dawn-end);
  --color-text: #2C2C2C;
  --color-text-light: #FAFAFA;
  --color-glass: rgba(255, 255, 255, 0.18);
  --color-glass-border: rgba(255, 255, 255, 0.28);
  --color-accent: #7E909A;
  --color-accent-soft: rgba(126, 144, 154, 0.35);
  --font-display: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50%;
  --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.08);
  --transition-fast: 0.3s ease;
  --transition-slow: 0.8s ease;
  --max-width: 72rem;
  --header-height: 4.5rem;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: linear-gradient(160deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
  background-attachment: fixed;
  overflow-x: hidden;
  min-height: 100vh;
  transition: background var(--transition-slow);
}

body.theme-evening {
  color: var(--color-text-light);
}

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

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

a:hover {
  opacity: 0.75;
}

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(1.4rem, 4vw, 3rem);
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

/* Header */
.site-header {
  position: relative;
  z-index: 100;
  padding: var(--space-md) var(--space-lg);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: var(--space-md);
}

.brand-text {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 2.5vw, 1.15rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.primary-nav {
  display: none;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  justify-content: center;
}

.primary-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  background: var(--color-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: inherit;
  font-size: 1.25rem;
  transition: background var(--transition-fast);
  flex-shrink: 0;
  margin-left: auto;
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Mobile Nav Panel — separate from header */
.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(85vw, 22rem);
  height: 100vh;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 200;
  padding: var(--space-2xl) var(--space-lg) var(--space-lg);
  transition: right var(--transition-fast);
  overflow-y: auto;
}

body.theme-evening .mobile-nav-panel {
  background: rgba(46, 37, 56, 0.95);
}

.mobile-nav-panel.is-open {
  right: 0;
}

.mobile-nav-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: inherit;
  font-size: 1.125rem;
}

.mobile-nav-panel ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.mobile-nav-panel a {
  display: block;
  padding: var(--space-sm) 0;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--color-glass-border);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

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

@media (min-width: 1024px) {
  .primary-nav {
    display: block;
    flex: 1;
  }

  .menu-toggle {
    display: none;
  }
}

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

/* Full-width Banner */
.hero-banner {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  min-height: clamp(18rem, 45vh, 32rem);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

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

.hero-banner-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.45) 0%,
    rgba(0, 0, 0, 0.25) 50%,
    rgba(0, 0, 0, 0.35) 100%
  );
}

.hero-banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  max-width: 42rem;
  color: var(--color-text-light);
}

.hero-banner-content h1 {
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
}

.hero-banner-content p {
  font-size: clamp(0.95rem, 2vw, 1.125rem);
  opacity: 0.92;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.25);
}

/* Section Layout */
.content-section {
  padding: var(--space-2xl) var(--space-lg);
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto var(--space-xl);
}

.section-header p {
  opacity: 0.85;
}

body.theme-evening .section-header p {
  opacity: 0.8;
}

/* Glass Panels */
.glass-panel {
  background: var(--color-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: transform var(--transition-fast);
}

body.theme-evening .glass-panel {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

/* Grid Layouts */
.grid-duo {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.grid-trio {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.grid-quad {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .grid-duo {
    grid-template-columns: 1fr 1fr;
  }

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

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

@media (min-width: 900px) {
  .grid-trio {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-quad {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Image Cards */
.visual-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-height: 14rem;
}

.visual-card img {
  width: 100%;
  height: 14rem;
  object-fit: cover;
}

.feature-card {
  text-align: center;
  padding: var(--space-lg);
}

.feature-icon {
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
  opacity: 0.85;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-accent);
  color: var(--color-text-light);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

body.theme-evening .btn-primary {
  background: rgba(211, 162, 151, 0.85);
  color: var(--color-text-light);
}

.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: transparent;
  color: inherit;
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--color-glass);
}

.text-center {
  text-align: center;
}

.section-cta {
  margin-top: var(--space-xl);
  text-align: center;
}

/* Split Section with Image */
.split-block {
  display: grid;
  grid-template-columns: minmax(120px, 1fr);
  gap: var(--space-lg);
  align-items: center;
}

.split-block.reverse .split-visual {
  order: -1;
}

.split-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-height: 16rem;
}

.split-visual img {
  width: 100%;
  height: 16rem;
  object-fit: cover;
}

@media (min-width: 768px) {
  .split-block {
    grid-template-columns: 1fr 1fr;
  }

  .split-block.reverse .split-visual {
    order: 0;
  }
}

/* Timer & Interactive Elements */
.timer-display {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 800;
  text-align: center;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: var(--space-lg) 0;
}

.perspective-quote {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  text-align: center;
  font-style: italic;
  opacity: 0.9;
  transition: opacity 0.6s ease;
  min-height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.perspective-quote.is-faded {
  opacity: 0;
}

.timer-controls {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}

/* Midday high contrast */
.contrast-block {
  padding: var(--space-xl);
  text-align: center;
}

.contrast-block h2 {
  font-size: clamp(2rem, 6vw, 4rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rule-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 32rem;
  margin: var(--space-xl) auto 0;
}

.rule-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  text-align: left;
  padding: var(--space-md);
}

.rule-number {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  opacity: 0.5;
  flex-shrink: 0;
  line-height: 1;
}

/* Evening dark mode page */
.evening-page {
  background: linear-gradient(160deg, #2E2538 0%, #1a1520 100%);
  color: var(--color-text-light);
}

.evening-page .glass-panel {
  background: rgba(255, 255, 255, 0.06);
}

.scrap-pad {
  width: 100%;
  min-height: 8rem;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-text-light);
  font-family: var(--font-body);
  font-size: 1rem;
  resize: vertical;
}

.scrap-pad:focus {
  outline: none;
  border-color: rgba(211, 162, 151, 0.4);
}

.dissolve-text {
  min-height: 3rem;
  text-align: center;
  font-style: italic;
  opacity: 0.7;
  margin-top: var(--space-md);
}

/* Sequencer Tool */
.sequencer-wrap {
  max-width: 48rem;
  margin: 0 auto;
}

.sequencer-step {
  margin-bottom: var(--space-xl);
}

.sequencer-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-top: var(--space-md);
}

.option-chip {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 0.875rem;
  font-family: var(--font-body);
  color: inherit;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.option-chip.is-selected {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
}

body.theme-evening .option-chip.is-selected {
  background: rgba(211, 162, 151, 0.3);
  border-color: #D3A297;
}

.sequence-output {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  min-height: 8rem;
}

.sequence-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-glass-border);
}

.sequence-item:last-child {
  border-bottom: none;
}

.sequence-duration {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
  opacity: 0.7;
}

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

.product-price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: auto;
  padding-top: var(--space-md);
}

/* Contact Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

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

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: 0.875rem;
  font-weight: 500;
}

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

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

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

.consent-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.consent-group input {
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.consent-group label {
  font-size: 0.85rem;
  line-height: 1.5;
}

.contact-info-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.contact-info-item i {
  margin-top: 0.2rem;
  opacity: 0.7;
}

.map-wrap {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: var(--space-lg);
}

.map-wrap iframe {
  width: 100%;
  height: 16rem;
  border: 0;
  display: block;
}

/* Footer */
.site-footer {
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  margin-top: var(--space-xl);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

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

.footer-nav a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.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-glass-border);
  margin-bottom: var(--space-md);
}

.footer-legal a {
  font-size: 0.75rem;
  opacity: 0.75;
}

.footer-copy {
  font-size: 0.75rem;
  opacity: 0.6;
}

/* Privacy Popup */
.privacy-popup {
  position: fixed;
  bottom: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  max-width: 28rem;
  margin: 0 auto;
  z-index: 300;
  padding: var(--space-lg);
  transform: translateY(calc(100% + 2rem));
  transition: transform var(--transition-fast);
}

.privacy-popup.is-visible {
  transform: translateY(0);
}

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

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

.privacy-popup-actions .btn-primary,
.privacy-popup-actions .btn-secondary {
  font-size: 0.8rem;
  padding: var(--space-xs) var(--space-md);
}

/* Legal Pages */
.legal-content {
  max-width: 48rem;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg) var(--space-2xl);
}

.legal-content h1 {
  margin-bottom: var(--space-sm);
}

.legal-content .date {
  font-size: 0.875rem;
  opacity: 0.7;
  margin-bottom: var(--space-xl);
}

.legal-content h2 {
  font-size: 1.25rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.legal-content p,
.legal-content li {
  font-size: 0.925rem;
  opacity: 0.9;
}

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

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

.status-content {
  text-align: center;
  max-width: 32rem;
}

.status-icon {
  font-size: 3rem;
  margin-bottom: var(--space-lg);
  opacity: 0.8;
}

.status-code {
  font-family: var(--font-display);
  font-size: clamp(4rem, 15vw, 8rem);
  font-weight: 800;
  opacity: 0.3;
  line-height: 1;
  margin-bottom: var(--space-md);
}

/* Soundscape toggle */
.soundscape-controls {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

/* Check-in sequence */
.checkin-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 36rem;
  margin: var(--space-lg) auto 0;
}

.checkin-item {
  padding: var(--space-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.checkin-item.is-active {
  background: var(--color-accent-soft);
}

/* Breathing guide */
.breath-circle {
  width: 8rem;
  height: 8rem;
  border-radius: var(--radius-full);
  border: 2px solid rgba(211, 162, 151, 0.5);
  margin: var(--space-xl) auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  animation: breathe 8s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.15); opacity: 1; }
}

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

@media (max-width: 320px) {
  .header-inner {
    padding: 0;
  }

  .content-section {
    padding: var(--space-lg) var(--space-md);
  }
}