/* Walking Habit Coaching — Overcast Moss / Deep Pine / Clay Path */

:root {
  --color-base: #F4F6F0;
  --color-pine: #1F261D;
  --color-clay: #E27D60;
  --color-pebble: #D1DBCE;
  --color-glass: rgba(244, 246, 240, 0.82);
  --color-overlay: rgba(31, 38, 29, 0.55);
  --font-display: 'Archivo', sans-serif;
  --font-body: 'Source Serif 4', serif;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 5rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-soft: 0 4px 24px rgba(31, 38, 29, 0.08);
  --shadow-glass: 0 8px 32px rgba(31, 38, 29, 0.12);
  --transition-fast: 0.3s ease;
  --transition-slow: 0.5s ease;
  --max-content: 72rem;
  --header-height: 4.5rem;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-pine);
  background-color: var(--color-base);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

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

a:hover,
a:focus-visible {
  color: var(--color-pine);
  text-decoration: underline;
}

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.35rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }

p { margin-bottom: var(--space-md); }
p:last-child { margin-bottom: 0; }

main {
  flex: 1;
}

/* —— Header —— */
.site-header {
  position: relative;
  z-index: 100;
  width: 100%;
  background: var(--color-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-pebble);
}

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

.header-brand {
  font-family: var(--font-display);
  font-size: clamp(0.85rem, 2.5vw, 1.1rem);
  font-weight: 700;
  color: var(--color-pine);
  text-decoration: none;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.header-brand:hover {
  color: var(--color-clay);
  text-decoration: none;
}

.header-nav {
  display: none;
}

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

.header-nav-list a {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-pine);
  text-decoration: none;
  letter-spacing: 0.03em;
}

.header-nav-list a:hover,
.header-nav-list a.is-active {
  color: var(--color-clay);
  text-decoration: none;
}

.burger-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: var(--space-sm);
  background: transparent;
  border: 1px solid var(--color-pebble);
  border-radius: var(--radius-md);
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.burger-toggle:hover,
.burger-toggle:focus-visible {
  background: var(--color-pebble);
  outline: 2px solid var(--color-clay);
  outline-offset: 2px;
}

.burger-line {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--color-pine);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

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

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

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

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

  .burger-toggle {
    display: none;
  }
}

/* Mobile nav panel — separate from header */
.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(85vw, 20rem);
  height: 100vh;
  height: 100dvh;
  background: var(--color-base);
  border-left: 1px solid var(--color-pebble);
  box-shadow: var(--shadow-glass);
  z-index: 200;
  padding: calc(var(--header-height) + var(--space-lg)) var(--space-lg) var(--space-lg);
  transform: translateX(100%);
  transition: transform var(--transition-fast);
  overflow-y: auto;
}

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

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  z-index: 199;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

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

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

.mobile-nav-list a {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-pine);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-pebble);
  display: block;
}

.mobile-nav-list a:hover {
  color: var(--color-clay);
  text-decoration: none;
}

/* —— Full-width hero banners —— */
.hero-banner {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  min-height: clamp(16rem, 42vh, 28rem);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

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

.hero-banner-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(31, 38, 29, 0.72) 0%,
    rgba(31, 38, 29, 0.45) 50%,
    rgba(226, 125, 96, 0.25) 100%
  );
}

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

.hero-banner-content h1,
.hero-banner-content h2 {
  color: var(--color-base);
  text-shadow: 0 2px 12px rgba(31, 38, 29, 0.4);
  margin-bottom: var(--space-md);
}

.hero-banner-content p {
  color: var(--color-pebble);
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  max-width: 38rem;
  margin-left: auto;
  margin-right: auto;
}

/* —— Sections —— */
.page-section {
  padding: var(--space-xl) var(--space-lg);
}

.section-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  width: 100%;
}

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

.section-header p {
  color: var(--color-pine);
  opacity: 0.85;
}

.section-alt {
  background: var(--color-pebble);
  background: linear-gradient(180deg, rgba(209, 219, 206, 0.35) 0%, transparent 100%);
}

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

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

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

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

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

/* Cards */
.glass-card {
  background: var(--color-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--color-pebble);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.glass-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glass);
}

.glass-card ul {
  list-style: disc;
  margin-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.glass-card li {
  margin-bottom: var(--space-sm);
}

.card-image-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-md);
  aspect-ratio: 16 / 10;
  max-height: 12rem;
}

.card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Buttons */
.btn-primary,
.btn-secondary {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  text-decoration: none;
  text-align: center;
}

.btn-primary {
  background: var(--color-clay);
  color: var(--color-base);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-pine);
  color: var(--color-base);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-pine);
  border: 1px solid var(--color-pebble);
}

.btn-secondary:hover {
  border-color: var(--color-clay);
  color: var(--color-clay);
  text-decoration: none;
}

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

.section-cta-wrap {
  margin-top: var(--space-lg);
}

/* Walk Architect */
.architect-panel {
  background: var(--color-glass);
  backdrop-filter: blur(14px);
  border: 1px solid var(--color-pebble);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-glass);
}

.architect-form {
  display: grid;
  gap: var(--space-lg);
  max-width: 36rem;
  margin: 0 auto var(--space-lg);
}

.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.03em;
}

.form-group select,
.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--color-pebble);
  border-radius: var(--radius-md);
  background: var(--color-base);
  color: var(--color-pine);
}

.form-group select:focus,
.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid var(--color-clay);
  outline-offset: 2px;
}

.architect-output {
  min-height: 4rem;
  padding: var(--space-lg);
  background: rgba(209, 219, 206, 0.4);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-clay);
  text-align: left;
}

.architect-output.is-visible {
  animation: fadeSlide 0.4s ease;
}

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

/* Audio tiles */
.audio-tile {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.audio-tile-meta {
  font-size: 0.85rem;
  color: var(--color-pine);
  opacity: 0.75;
}

.audio-tile-distance {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--color-clay);
  font-weight: 600;
}

/* Milestones stats */
.stat-block {
  text-align: center;
  padding: var(--space-lg);
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color-clay);
  display: block;
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: 0.95rem;
  opacity: 0.9;
}

.progress-visual {
  width: 100%;
  max-width: 28rem;
  margin: var(--space-lg) auto;
  height: 0.5rem;
  background: var(--color-pebble);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-clay), var(--color-pine));
  border-radius: var(--radius-sm);
  width: 68%;
  transition: width var(--transition-slow);
}

/* Diagram blocks */
.diagram-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  align-items: stretch;
}

.diagram-step {
  flex: 1 1 8rem;
  max-width: 10rem;
  text-align: center;
  padding: var(--space-md);
  background: var(--color-glass);
  border: 1px dashed var(--color-pebble);
  border-radius: var(--radius-md);
}

.diagram-arrow {
  align-self: center;
  color: var(--color-clay);
  font-size: 1.25rem;
}

/* Products */
.product-card {
  text-align: center;
}

.product-price {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-clay);
  margin-top: var(--space-md);
}

/* Contact */
.contact-layout {
  display: grid;
  gap: var(--space-xl);
}

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

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

.contact-info-item {
  padding: var(--space-md);
  background: var(--color-glass);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-pebble);
}

.map-wrap {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-pebble);
  aspect-ratio: 16 / 9;
  max-height: 20rem;
}

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

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.9rem;
}

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

/* Thank you & 404 */
.message-panel {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  max-width: 36rem;
  margin: 0 auto;
}

.message-panel h1 {
  margin-bottom: var(--space-lg);
}

.message-panel .btn-primary,
.message-panel .btn-secondary {
  margin: var(--space-sm);
}

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

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

.legal-content h3 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

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

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

.legal-date {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-bottom: var(--space-lg);
}

/* Footer */
.site-footer {
  background: var(--color-pine);
  color: var(--color-pebble);
  padding: var(--space-lg);
  margin-top: auto;
}

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

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

.footer-nav-list a {
  color: var(--color-pebble);
  font-family: var(--font-display);
  font-size: 0.85rem;
}

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

.footer-meta {
  font-size: 0.8rem;
  opacity: 0.85;
  line-height: 1.5;
}

.footer-meta a {
  color: var(--color-clay);
}

.footer-copy {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* Privacy popup */
.privacy-popup {
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  max-width: 28rem;
  margin: 0 auto;
  z-index: 300;
  background: var(--color-glass);
  backdrop-filter: blur(14px);
  border: 1px solid var(--color-pebble);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-glass);
  transform: translateY(120%);
  opacity: 0;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

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

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

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

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

/* Utility */
.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;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-clay);
  color: var(--color-base);
  padding: var(--space-sm) var(--space-md);
  z-index: 500;
  border-radius: var(--radius-md);
}

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

@media (max-width: 320px) {
  .page-section {
    padding: var(--space-lg) var(--space-md);
  }

  .header-inner {
    padding: var(--space-sm) var(--space-md);
  }
}