/* Architect's Sanctuary — Movement Platform Styles */

:root {
  --color-primary: #7D8E82;
  --color-secondary: #F5F2EC;
  --color-ink: #23262A;
  --color-copper: #C87D55;
  --color-celadon: #7D8E82;
  --color-parchment: #F5F2EC;
  --color-frame: #C5C1B8;
  --color-muted: #6B6E72;
  --color-overlay: rgba(35, 38, 42, 0.62);
  --font-primary: 'Source Sans 3', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --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: 12px;
  --shadow-soft: 0 4px 24px rgba(35, 38, 42, 0.08);
  --shadow-frame: inset 0 0 0 1px var(--color-frame);
  --transition-fast: 0.3s ease;
  --transition-slow: 0.6s ease;
  --max-width: 72rem;
  --header-height: 4.5rem;
}

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

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

body {
  font-family: var(--font-primary);
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-ink);
  background-color: var(--color-parchment);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

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

a:hover,
a:focus-visible {
  color: var(--color-ink);
}

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-ink);
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
}

h2 {
  font-size: clamp(1.35rem, 3vw, 2rem);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  margin-bottom: var(--space-sm);
}

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

.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-celadon);
}

.frame-panel {
  border: 1px solid var(--color-frame);
  background: var(--color-parchment);
  padding: var(--space-lg);
  position: relative;
}

.frame-panel::before,
.frame-panel::after {
  content: '+';
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-frame);
  opacity: 0.6;
}

.frame-panel::before {
  top: var(--space-sm);
  left: var(--space-sm);
}

.frame-panel::after {
  bottom: var(--space-sm);
  right: var(--space-sm);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.container-narrow {
  max-width: 48rem;
}

/* ===== HEADER ===== */

.site-header {
  position: relative;
  z-index: 100;
  background: transparent;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  max-width: var(--max-width);
  margin-inline: auto;
  border-bottom: 1px solid var(--color-frame);
  background: rgba(245, 242, 236, 0.92);
  backdrop-filter: blur(8px);
}

.brand-text {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2vw, 1rem);
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

.nav-desktop a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink);
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--color-copper);
}

.burger-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  border: 1px solid var(--color-frame);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: var(--space-sm);
  flex-shrink: 0;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.burger-toggle:hover {
  border-color: var(--color-copper);
  background: rgba(200, 125, 85, 0.08);
}

.burger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-ink);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.burger-toggle.is-active .burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger-toggle.is-active .burger-line:nth-child(2) {
  opacity: 0;
}

.burger-toggle.is-active .burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(20rem, 85vw);
  height: 100vh;
  background: var(--color-parchment);
  border-left: 1px solid var(--color-frame);
  z-index: 200;
  transform: translateX(100%);
  transition: transform var(--transition-fast);
  padding: var(--space-2xl) var(--space-lg) var(--space-lg);
  overflow-y: auto;
}

.nav-mobile-panel.is-open {
  transform: translateX(0);
}

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

.nav-mobile-list a {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-frame);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(35, 38, 42, 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) {
  .nav-desktop {
    display: flex;
  }

  .burger-toggle {
    display: none;
  }
}

/* ===== HERO BANNERS ===== */

.hero-banner {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  min-height: clamp(18rem, 45vh, 28rem);
  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;
  background: var(--color-overlay);
  z-index: 1;
}

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

.hero-banner-content h1 {
  color: var(--color-parchment);
  margin-bottom: var(--space-md);
}

.hero-banner-content p {
  color: rgba(245, 242, 236, 0.88);
  font-size: clamp(0.95rem, 2vw, 1.1rem);
}

.hero-coords {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-celadon);
  letter-spacing: 0.12em;
  margin-bottom: var(--space-sm);
}

/* ===== MAIN SECTIONS ===== */

main {
  flex: 1;
}

.page-section {
  padding: var(--space-xl) 0;
}

.page-section-alt {
  background: rgba(197, 193, 184, 0.12);
}

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

.section-grid {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

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

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

.section-image-wrap {
  border: 1px solid var(--color-frame);
  overflow: hidden;
  max-height: 16rem;
}

.section-image-wrap img {
  width: 100%;
  height: 100%;
  max-height: 16rem;
  object-fit: cover;
}

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

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

  .section-grid-three {
    grid-template-columns: repeat(3, 1fr);
  }

  .section-text {
    text-align: left;
  }

  .section-grid-reverse .section-text {
    order: 2;
  }

  .section-grid-reverse .section-image-wrap {
    order: 1;
  }
}

/* ===== BUTTONS ===== */

.btn-primary,
.btn-secondary {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.btn-primary {
  background: var(--color-copper);
  color: var(--color-parchment);
  border-color: var(--color-copper);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-parchment);
}

.btn-secondary {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-frame);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--color-copper);
  color: var(--color-copper);
}

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

/* ===== CARD GRID ===== */

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

.card-item {
  border: 1px solid var(--color-frame);
  padding: var(--space-lg);
  text-align: center;
  transition: box-shadow var(--transition-fast);
}

.card-item:hover {
  box-shadow: var(--shadow-soft);
}

.card-item img {
  width: 100%;
  max-height: 10rem;
  object-fit: cover;
  margin-bottom: var(--space-md);
  border: 1px solid var(--color-frame);
}

.card-price {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-copper);
  margin-top: var(--space-sm);
}

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

/* ===== CALIBRATION GRID TABS ===== */

.tab-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.tab-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  border: 1px solid var(--color-frame);
  color: var(--color-ink);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn.is-active,
.tab-btn:hover {
  background: var(--color-copper);
  border-color: var(--color-copper);
  color: var(--color-parchment);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

.module-list {
  display: grid;
  gap: var(--space-md);
}

.module-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  border: 1px solid var(--color-frame);
  padding: var(--space-md);
  align-items: center;
  transition: border-color var(--transition-fast);
}

.module-row:hover {
  border-color: var(--color-copper);
}

.module-title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-ink);
}

.module-desc {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.wireframe-preview {
  width: 100%;
  max-width: 8rem;
  height: 5rem;
  margin-inline: auto;
  border: 1px dashed var(--color-celadon);
  position: relative;
  overflow: hidden;
}

.wireframe-preview::before {
  content: '';
  position: absolute;
  inset: 20%;
  border: 1px solid var(--color-copper);
  animation: wirePulse 3s ease-in-out infinite;
}

.wireframe-preview::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 10%;
  right: 10%;
  height: 1px;
  background: var(--color-celadon);
  animation: wireSlide 3s ease-in-out infinite;
}

@keyframes wirePulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.08); opacity: 1; }
}

@keyframes wireSlide {
  0%, 100% { transform: translateX(-5%); }
  50% { transform: translateX(5%); }
}

@media (min-width: 640px) {
  .module-row {
    grid-template-columns: 1fr 8rem 2fr;
  }
}

/* ===== SPATIAL DIAGNOSTICS ===== */

.diagnostic-layout {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}

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

.silhouette-map {
  position: relative;
  border: 1px solid var(--color-frame);
  padding: var(--space-lg);
  min-height: 22rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.body-outline {
  width: 8rem;
  height: 16rem;
  position: relative;
}

.body-head {
  width: 2.5rem;
  height: 2.5rem;
  border: 2px solid var(--color-ink);
  border-radius: 50%;
  margin: 0 auto;
}

.body-torso {
  width: 4rem;
  height: 6rem;
  border: 2px solid var(--color-ink);
  margin: var(--space-xs) auto 0;
  border-radius: var(--radius-sm);
}

.body-seat {
  width: 6rem;
  height: 1.5rem;
  border: 2px solid var(--color-frame);
  margin: var(--space-xs) auto 0;
  border-radius: var(--radius-sm);
}

.body-legs {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.body-leg {
  width: 1.5rem;
  height: 5rem;
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-sm);
}

.hotspot-node {
  position: absolute;
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--color-copper);
  border-radius: 50%;
  background: rgba(200, 125, 85, 0.25);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.hotspot-node:hover,
.hotspot-node.is-active {
  background: var(--color-copper);
  transform: scale(1.2);
}

.hotspot-node[data-zone="cervical"] {
  top: 0.5rem;
  left: 50%;
  transform: translateX(-50%);
}

.hotspot-node[data-zone="lumbar"] {
  top: 5.5rem;
  left: 50%;
  transform: translateX(-50%);
}

.hotspot-node[data-zone="pelvic"] {
  top: 9rem;
  left: 50%;
  transform: translateX(-50%);
}

.hotspot-node.is-active {
  transform: translateX(-50%) scale(1.2);
}

.diagnostic-result {
  border: 1px solid var(--color-frame);
  padding: var(--space-lg);
  min-height: 12rem;
}

.diagnostic-result h3 {
  color: var(--color-copper);
}

/* ===== HABIT LEDGER GRID ===== */

.ledger-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  max-width: 28rem;
  margin-inline: auto;
  padding: var(--space-lg);
  border: 1px solid var(--color-frame);
}

.ledger-dot {
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--color-frame);
  transition: background var(--transition-fast);
}

.ledger-dot.is-filled {
  background: var(--color-copper);
}

.ledger-dot.is-rest {
  background: var(--color-celadon);
}

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

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--color-muted);
}

.legend-swatch {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  display: inline-block;
}

.legend-swatch-copper {
  background: var(--color-copper);
}

.legend-swatch-celadon {
  background: var(--color-celadon);
}

.legend-swatch-frame {
  background: var(--color-frame);
}

/* ===== PACER UTILITY ===== */

.pacer-display {
  text-align: center;
  padding: var(--space-xl);
  border: 1px solid var(--color-frame);
}

.pacer-timer {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 6vw, 4rem);
  color: var(--color-copper);
  letter-spacing: 0.1em;
}

.pacer-rhythm {
  width: 100%;
  max-width: 20rem;
  height: 4px;
  background: var(--color-frame);
  margin: var(--space-lg) auto;
  position: relative;
  overflow: hidden;
}

.pacer-rhythm-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 30%;
  background: var(--color-copper);
  animation: rhythmMove 2s ease-in-out infinite;
}

@keyframes rhythmMove {
  0% { left: 0; }
  50% { left: 70%; }
  100% { left: 0; }
}

/* ===== CONTACT FORM ===== */

.contact-layout {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}

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

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

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
  color: var(--color-ink);
}

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

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

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

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

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

.form-consent label {
  font-size: 0.85rem;
  color: var(--color-muted);
  text-transform: none;
  letter-spacing: normal;
  font-family: var(--font-primary);
}

.contact-info-block {
  border: 1px solid var(--color-frame);
  padding: var(--space-lg);
}

.contact-info-block p {
  margin-bottom: var(--space-sm);
}

.contact-info-block a {
  word-break: break-all;
}

.map-wrap {
  margin-top: var(--space-xl);
  border: 1px solid var(--color-frame);
  overflow: hidden;
}

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

@media (min-width: 768px) {
  .map-wrap iframe {
    height: 20rem;
  }
}

/* ===== FOOTER ===== */

.site-footer {
  border-top: 1px solid var(--color-frame);
  padding: var(--space-lg) 0;
  margin-top: auto;
  background: rgba(197, 193, 184, 0.08);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

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

.footer-nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-ink);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  justify-content: center;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-frame);
  width: 100%;
  max-width: 40rem;
}

.footer-legal a {
  font-size: 0.7rem;
  color: var(--color-muted);
}

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

.footer-copy span {
  font-family: var(--font-mono);
}

/* ===== LEGAL PAGES ===== */

.legal-content {
  max-width: 48rem;
  margin-inline: auto;
}

.legal-content h2 {
  margin-top: var(--space-xl);
}

.legal-content h2:first-child {
  margin-top: 0;
}

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

.legal-content li {
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
  list-style: disc;
}

.date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-celadon);
  margin-bottom: var(--space-lg);
}

/* ===== THANK YOU & 404 ===== */

.status-page {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

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

/* ===== PRIVACY POPUP ===== */

.privacy-popup {
  position: fixed;
  bottom: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  max-width: 28rem;
  background: var(--color-parchment);
  border: 1px solid var(--color-frame);
  padding: var(--space-lg);
  z-index: 300;
  box-shadow: var(--shadow-soft);
  transform: translateY(calc(100% + var(--space-md)));
  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 button {
  flex: 1;
  min-width: 6rem;
}

/* ===== ALIGNMENT GUIDES ===== */

.guide-lines {
  position: relative;
}

.guide-lines::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--color-frame), transparent);
  opacity: 0.4;
  pointer-events: none;
}

/* ===== UTILITIES ===== */

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

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

.mb-lg {
  margin-bottom: var(--space-lg);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

  .hero-banner-content {
    padding: var(--space-lg) var(--space-sm);
  }
}