/* Oxygen & Graphite — Digital Pebble shell */
:root {
  --color-graphite: #1a1a1a;
  --color-cloud: #e0e0e0;
  --color-oxygen: #aeeeee;
  --color-oxygen-dim: rgba(174, 238, 238, 0.35);
  --color-glass: rgba(224, 224, 224, 0.06);
  --color-primary: #2c6e49;
  --color-secondary: #f4f1de;
  --font-primary: "DM Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --radius-sm: 0.5rem;
  --radius-md: 1.25rem;
  --radius-full: 999px;
  --shadow-soft: 0 0.5rem 2rem rgba(0, 0, 0, 0.35);
  --transition-fast: 0.3s ease;
  --transition-slow: 0.8s ease;
  --header-z: 100;
  --overlay-z: 200;
  --modal-z: 300;
  --max-readable: 72rem;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-primary);
  background: var(--color-graphite);
  color: var(--color-cloud);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Never let media overflow layout (intrinsic width from width/height attrs) */
img,
video {
  max-width: 100%;
  height: auto;
}

figure {
  max-width: 100%;
}

/* Global breath border */
.body-breath-ring {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  border: 0.125rem solid transparent;
  border-radius: var(--radius-sm);
  animation: breath-ring 10s ease-in-out infinite;
  box-shadow:
    inset 0 0 0 0.125rem var(--color-oxygen-dim),
    0 0 1.5rem rgba(174, 238, 238, 0.12);
}

@keyframes breath-ring {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.55;
  }
  50% {
    transform: scale(0.992);
    opacity: 0.9;
  }
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0.5rem;
  background: var(--color-oxygen);
  color: var(--color-graphite);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  z-index: 10000;
}

.skip-link:focus {
  left: 0.5rem;
}

/* Gentle eviction after inactivity */
body.session-dim main,
body.session-dim .site-footer {
  transition:
    opacity 3s var(--transition-slow),
    filter 3s var(--transition-slow);
}

body.session-dim.is-away main,
body.session-dim.is-away .site-footer {
  opacity: 0.22;
  filter: blur(0.35rem);
}

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

.site-header {
  position: relative;
  z-index: var(--header-z);
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(
    180deg,
    rgba(26, 26, 26, 0.92) 0%,
    rgba(26, 26, 26, 0.65) 100%
  );
  backdrop-filter: blur(0.75rem);
  border-bottom: 1px solid rgba(224, 224, 224, 0.08);
}

.header-shell {
  width: 100%;
  max-width: var(--max-readable);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.header-brand {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2.5vw, 1rem);
  letter-spacing: 0.04em;
  color: var(--color-cloud);
  text-decoration: none;
  padding: var(--space-sm) 0;
}

.header-brand:hover,
.header-brand:focus-visible {
  color: var(--color-oxygen);
  outline: none;
}

.nav-cluster {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-left: auto;
}

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

@media (min-width: 1024px) {
  .nav-panel {
    position: static;
    inset: auto;
    transform: none;
    opacity: 1;
    visibility: visible;
    flex-direction: row;
    background: transparent;
    backdrop-filter: none;
    padding: 0;
    margin: 0;
    max-height: none;
  }
}

.nav-panel a {
  font-size: 0.8rem;
  text-decoration: none;
  color: var(--color-cloud);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  background: var(--color-glass);
  border: 1px solid rgba(224, 224, 224, 0.1);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-panel a:hover,
.nav-panel a:focus-visible {
  color: var(--color-graphite);
  background: var(--color-oxygen);
  outline: none;
}

.nav-toggle {
  order: 999;
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(174, 238, 238, 0.35);
  background: rgba(174, 238, 238, 0.08);
  color: var(--color-oxygen);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  background: rgba(174, 238, 238, 0.2);
  outline: none;
}

.nav-toggle-bar {
  display: block;
  width: 1.1rem;
  height: 0.125rem;
  background: currentColor;
  border-radius: var(--radius-full);
  box-shadow: 0 -0.35rem 0 currentColor, 0 0.35rem 0 currentColor;
}

@media (max-width: 1023px) {
  .nav-panel {
    position: fixed;
    inset: 0;
    top: 4.5rem;
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--space-lg);
    background: rgba(26, 26, 26, 0.97);
    backdrop-filter: blur(1rem);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition:
      transform var(--transition-fast),
      opacity var(--transition-fast);
    z-index: var(--overlay-z);
  }

  .nav-panel.is-open {
    display: flex;
    flex-direction: row;
    height: 30rem;
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-panel a {
    width: 100%;
    text-align: center;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

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

.page-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-x: hidden;
}

main {
  flex: 1;
  width: 100%;
  min-width: 0;
  overflow-x: hidden;
}

.section-block {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  padding: var(--space-xl) var(--space-lg);
  overflow-x: hidden;
}

.section-block--tight {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
}

.layout-center {
  width: 100%;
  max-width: var(--max-readable);
  margin: 0 auto;
  min-width: 0;
}

.heading-display {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  margin: 0 0 var(--space-md);
  color: var(--color-cloud);
}

.heading-section {
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 2.5vw, 1.5rem);
  margin: 0 0 var(--space-sm);
  color: var(--color-oxygen);
}

.lede {
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  max-width: 42rem;
  margin: 0 0 var(--space-lg);
  color: rgba(224, 224, 224, 0.88);
}

.lede-compact {
  margin-bottom: 0;
}

.banner-visual--flush {
  margin: 0;
}

.pair-visuals {
  display: grid;
  gap: var(--space-lg);
  grid-column: 1 / -1;
  min-width: 0;
}

.pair-visuals > * {
  min-width: 0;
}

@media (min-width: 768px) {
  .pair-visuals {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.rhythm-grid {
  display: grid;
  gap: var(--space-lg);
}

.rhythm-grid > * {
  min-width: 0;
}

@media (min-width: 768px) {
  .rhythm-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }
}

/* Full-width banners: text first, image below */
.banner-full {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  position: relative;
  overflow: hidden;
  background: radial-gradient(
    ellipse at 20% 0%,
    rgba(174, 238, 238, 0.12) 0%,
    transparent 55%
  );
  border-bottom: 1px solid rgba(224, 224, 224, 0.07);
}

.banner-inner {
  width: 100%;
  max-width: var(--max-readable);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  align-items: stretch;
  text-align: center;
  min-width: 0;
  box-sizing: border-box;
}

.banner-text-stack {
  order: 1;
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 44rem;
  margin-left: auto;
  margin-right: auto;
}

.banner-visual {
  order: 2;
  width: 100%;
  max-width: min(100%, 48rem);
  min-width: 0;
  flex-shrink: 1;
  align-self: center;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  background: rgba(0, 0, 0, 0.25);
  position: relative;
  box-sizing: border-box;
}

.banner-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 22rem;
  object-fit: cover;
  object-position: center;
}

.banner-hero {
  min-height: auto;
}

.badge-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  border: 1px solid rgba(174, 238, 238, 0.35);
  color: var(--color-oxygen);
  margin-bottom: var(--space-md);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-oxygen);
  color: var(--color-graphite);
  background: var(--color-oxygen);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  transform: translateY(-0.125rem);
  box-shadow: 0 0.5rem 1.25rem rgba(174, 238, 238, 0.25);
  outline: none;
}

.btn-quiet {
  background: transparent;
  color: var(--color-oxygen);
}

.grid-asymmetric {
  display: grid;
  gap: var(--space-lg);
}

.grid-asymmetric > * {
  min-width: 0;
}

@media (min-width: 640px) {
  .grid-asymmetric {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

.glass-panel {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: rgba(224, 224, 224, 0.04);
  border: 1px solid rgba(224, 224, 224, 0.08);
  backdrop-filter: blur(0.6rem);
}

.porcelain-card {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: linear-gradient(
    145deg,
    rgba(224, 224, 224, 0.07) 0%,
    rgba(26, 26, 26, 0.4) 100%
  );
  border: 1px solid rgba(224, 224, 224, 0.1);
}

.split-feature {
  display: grid;
  gap: var(--space-lg);
  min-width: 0;
}

.split-feature > * {
  min-width: 0;
}

@media (min-width: 768px) {
  .split-feature {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.site-footer {
  margin-top: auto;
  padding: var(--space-lg);
  border-top: 1px solid rgba(224, 224, 224, 0.08);
  background: rgba(0, 0, 0, 0.35);
}

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

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

.footer-nav a {
  font-size: 0.75rem;
  color: rgba(224, 224, 224, 0.75);
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--color-oxygen);
  outline: none;
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: rgba(224, 224, 224, 0.45);
}

/* Privacy consent */
.consent-layer {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 9000;
  padding: var(--space-md);
  pointer-events: none;
}

.consent-card {
  max-width: var(--max-readable);
  margin: 0 auto;
  pointer-events: auto;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  background: rgba(26, 26, 26, 0.96);
  border: 1px solid rgba(224, 224, 224, 0.12);
  backdrop-filter: blur(0.85rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  box-shadow: 0 -0.5rem 2rem rgba(0, 0, 0, 0.45);
}

.consent-card p {
  margin: 0;
  font-size: 0.85rem;
  flex: 1 1 18rem;
  color: rgba(224, 224, 224, 0.85);
}

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

.btn-small {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-oxygen);
  background: transparent;
  color: var(--color-oxygen);
  cursor: pointer;
}

.btn-small--solid {
  background: var(--color-oxygen);
  color: var(--color-graphite);
}

.consent-layer.is-dismissed {
  display: none;
}

/* Contact */
.form-surface {
  display: grid;
  gap: var(--space-md);
  max-width: 32rem;
}

.form-row label {
  display: block;
  font-size: 0.8rem;
  margin-bottom: var(--space-xs);
  color: rgba(224, 224, 224, 0.85);
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(224, 224, 224, 0.15);
  background: rgba(224, 224, 224, 0.06);
  color: var(--color-cloud);
  font-family: inherit;
  font-size: 1rem;
}

.form-row textarea {
  min-height: 9rem;
  resize: vertical;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.8rem;
}

.checkbox-row input {
  margin-top: 0.2rem;
}

.map-embed {
  width: 100%;
  max-width: 48rem;
  margin-top: var(--space-lg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(224, 224, 224, 0.1);
  box-shadow: var(--shadow-soft);
}

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

.contact-details {
  display: grid;
  gap: var(--space-sm);
  font-size: 0.9rem;
}

/* Products */
.product-grid {
  display: grid;
  gap: var(--space-lg);
  min-width: 0;
}

@media (min-width: 768px) {
  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.product-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: rgba(224, 224, 224, 0.04);
  border: 1px solid rgba(224, 224, 224, 0.09);
  min-width: 0;
}

.product-card figure {
  margin: 0;
  width: 100%;
  max-width: 100%;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #111;
}

.product-card img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 12rem;
  object-fit: cover;
}

.price-tag {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-oxygen);
}

/* Thank you */
.thank-panel {
  text-align: center;
  max-width: 36rem;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

/* 404 */
.error-panel {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
}

.error-code {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 12vw, 6rem);
  color: var(--color-oxygen-dim);
  margin: 0;
}

/* Sensory tiles */
.tile-stage {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: var(--space-md);
}

.tactile-tile {
  position: relative;
  min-height: 11rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(224, 224, 224, 0.12);
  background: rgba(224, 224, 224, 0.03);
  cursor: pointer;
  overflow: hidden;
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-cloud);
  text-align: left;
  transition: border-color var(--transition-fast);
}

.tactile-tile:hover,
.tactile-tile:focus-visible {
  border-color: var(--color-oxygen);
  outline: none;
}

.tactile-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  background: radial-gradient(
    circle at var(--mx, 50%) var(--my, 50%),
    rgba(174, 238, 238, 0.25) 0%,
    transparent 55%
  );
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.tactile-tile.is-active::after {
  opacity: 1;
}

.tile-label {
  position: relative;
  z-index: 1;
}

/* Matrix */
.matrix-board {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr) minmax(0, 1fr);
  grid-template-rows: auto minmax(7.5rem, auto) minmax(7.5rem, auto);
  gap: var(--space-sm);
  max-width: 34rem;
  margin: 0 auto;
  align-items: stretch;
}

.matrix-corner {
  min-height: 1.5rem;
}

.matrix-head {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-align: center;
  color: rgba(224, 224, 224, 0.45);
  align-self: end;
  padding-bottom: var(--space-xs);
  text-transform: uppercase;
}

.matrix-side {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: rgba(224, 224, 224, 0.45);
  display: flex;
  align-items: center;
  padding-right: var(--space-xs);
}

.matrix-cell {
  min-height: 8rem;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(174, 238, 238, 0.25);
  background: rgba(224, 224, 224, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-md);
  font-size: 0.85rem;
  font-family: inherit;
  color: inherit;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.matrix-cell:hover,
.matrix-cell:focus-visible {
  background: rgba(174, 238, 238, 0.12);
  outline: none;
}

.matrix-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(224, 224, 224, 0.55);
  text-align: center;
  margin-top: var(--space-lg);
}

/* Routine overlay */
.routine-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--modal-z);
  background: rgba(10, 10, 10, 0.88);
  backdrop-filter: blur(0.5rem);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast);
}

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

.routine-card {
  width: min(100%, 28rem);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: rgba(26, 26, 26, 0.95);
  border: 1px solid rgba(174, 238, 238, 0.25);
  text-align: center;
}

.routine-timer {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 8vw, 3.5rem);
  color: var(--color-oxygen);
  margin: var(--space-md) 0;
}

.routine-hint {
  font-size: 0.9rem;
  color: rgba(224, 224, 224, 0.8);
  margin-bottom: var(--space-md);
}

.routine-foot {
  font-size: 0.8rem;
  color: rgba(224, 224, 224, 0.55);
  margin-bottom: var(--space-md);
}

/* Momentum constellation */
.constellation {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
}

.constellation-line {
  width: 0.125rem;
  flex: 1;
  min-height: 3rem;
  background: linear-gradient(
    180deg,
    rgba(174, 238, 238, 0.1),
    rgba(174, 238, 238, 0.55)
  );
}

.constellation-node {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: var(--radius-full);
  background: var(--color-oxygen);
  box-shadow: 0 0 1rem rgba(174, 238, 238, 0.55);
}

.constellation-list {
  width: 100%;
  max-width: 24rem;
  margin: 0 auto;
}

.dot-row {
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

/* Legal */
.legal-prose {
  max-width: 46rem;
  margin: 0 auto;
}

.legal-prose h1 {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--color-oxygen);
}

.legal-prose p,
.legal-prose li {
  font-size: 0.9rem;
  color: rgba(224, 224, 224, 0.86);
}

.list-legal {
  padding-left: 1.25rem;
}

.legal-updated {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: rgba(224, 224, 224, 0.55);
  margin-bottom: var(--space-lg);
}

.legal-prose a {
  color: var(--color-oxygen);
}

@media (max-width: 480px) {
  .section-block {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .banner-inner {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
}