/* Activity–recovery balance site — dual-tone kinetic glass aesthetic */

:root {
  --color-driftwood: #e0d7d0;
  --color-clay: #ff5f1f;
  --color-indigo: #1b263b;
  --color-mist: #a8b5b2;
  --color-surface: rgba(255, 255, 255, 0.06);
  --color-glass: rgba(224, 215, 208, 0.35);
  --font-display: "Syne", sans-serif;
  --font-body: "DM Sans", sans-serif;
  --space-xs: 0.35rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.75rem;
  --space-xl: 2.75rem;
  --space-2xl: 4rem;
  --radius-sm: 0.45rem;
  --radius-md: 1rem;
  --radius-blob: 38% 62% 63% 37% / 41% 44% 56% 59%;
  --shadow-soft: 0 0.5rem 2rem rgba(27, 38, 59, 0.18);
  --shadow-glow: 0 0 2.5rem rgba(255, 95, 31, 0.22);
  --transition-fast: 0.28s ease;
  --transition-slow: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  --header-z: 800;
  --drawer-z: 750;
  --modal-z: 900;
  --max-read: 72ch;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.55;
  color: var(--color-indigo);
  background: var(--color-driftwood);
  overflow-x: clip;
  transition: filter 2.5s ease;
}

body.body-rest-reminder {
  filter: saturate(0.35);
}

body.body-rest-reminder .rest-reminder-banner {
  opacity: 1;
  pointer-events: auto;
}

.rest-reminder-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-indigo);
  color: var(--color-driftwood);
  text-align: center;
  font-size: 0.9rem;
  z-index: 850;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.rest-reminder-banner a {
  color: var(--color-clay);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.5rem;
  z-index: 1000;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-indigo);
  color: var(--color-driftwood);
  border-radius: var(--radius-sm);
}

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

.site-header {
  position: relative;
  z-index: var(--header-z);
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(
    120deg,
    rgba(27, 38, 59, 0.92) 0%,
    rgba(168, 181, 178, 0.25) 100%
  );
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header-inner {
  max-width: 92rem;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.header-brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.8rem, 2.5vw, 1.35rem);
  color: var(--color-driftwood);
  text-decoration: none;
}

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

.header-nav-primary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm) var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.header-nav-primary a {
  color: var(--color-driftwood);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.header-nav-primary a:hover,
.header-nav-primary a:focus-visible {
  border-color: var(--color-clay);
  color: #fff;
  outline: none;
}

.header-menu-toggle {
  order: 999;
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-driftwood);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.header-menu-toggle:hover,
.header-menu-toggle:focus-visible {
  background: rgba(255, 95, 31, 0.25);
  border-color: var(--color-clay);
  outline: none;
}

.header-menu-icon {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  width: 1.35rem;
}

.header-menu-icon span {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.header-menu-toggle[aria-expanded="true"] .header-menu-icon span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.header-menu-toggle[aria-expanded="true"] .header-menu-icon span:nth-child(2) {
  opacity: 0;
}

.header-menu-toggle[aria-expanded="true"] .header-menu-icon span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 1023px) {
  .header-nav-primary {
    display: none;
  }

  .header-menu-toggle {
    display: inline-flex;
  }
}

.nav-drawer-panel {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(22rem, 88vw);
  max-height: 100vh;
  overflow-y: auto;
  background: linear-gradient(
    165deg,
    var(--color-indigo) 0%,
    #243652 55%,
    var(--color-mist) 100%
  );
  padding: var(--space-2xl) var(--space-lg);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  z-index: var(--drawer-z);
  box-shadow: -0.5rem 0 2rem rgba(0, 0, 0, 0.35);
}

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

.nav-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(27, 38, 59, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  z-index: calc(var(--drawer-z) - 1);
}

.nav-drawer-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.nav-drawer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.nav-drawer-list a {
  color: var(--color-driftwood);
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 600;
  font-family: var(--font-display);
  display: block;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.nav-drawer-list a:hover,
.nav-drawer-list a:focus-visible {
  color: var(--color-clay);
  outline: none;
}

main {
  display: block;
}

.page-wrap {
  min-height: 60vh;
}

/* Full-width banner: image under text */
.banner-full {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  min-height: clamp(16rem, 42vw, 28rem);
  display: grid;
  align-items: end;
  isolation: isolate;
  overflow: hidden;
}

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

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

.banner-full-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to top,
    rgba(27, 38, 59, 0.88) 0%,
    rgba(27, 38, 59, 0.45) 45%,
    rgba(27, 38, 59, 0.15) 100%
  );
}

.banner-full-content {
  position: relative;
  z-index: 2;
  max-width: 92rem;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  width: 100%;
}

.banner-full-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 4.5vw, 3.1rem);
  color: var(--color-driftwood);
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.banner-full-lead {
  margin: 0;
  max-width: var(--max-read);
  color: rgba(224, 215, 208, 0.95);
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
}

.section-block {
  padding: var(--space-2xl) var(--space-lg);
}

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

.section-inner {
  max-width: 92rem;
  margin: 0 auto;
  width: 100%;
}

.section-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3vw, 2rem);
  margin: 0 0 var(--space-md);
  color: var(--color-indigo);
}

.section-heading--activity {
  font-weight: 800;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  font-size: clamp(1.2rem, 2.4vw, 1.65rem);
}

.section-heading--recovery {
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: clamp(1rem, 2vw, 1.35rem);
}

.section-lead {
  margin: 0 0 var(--space-lg);
  max-width: var(--max-read);
  color: #3d4a5c;
}

/* Grain overlay */
.grain-layer::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.07;
  z-index: -1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.content-grid-two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: var(--space-lg);
  align-items: start;
}

.content-grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: var(--space-lg);
}

.glass-card {
  background: var(--color-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-soft);
}

.blob-frame {
  border-radius: var(--radius-blob);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  position: relative;
}

.blob-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.dual-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 18rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.dual-split-kinetic {
  background: linear-gradient(135deg, var(--color-clay) 0%, #ff8a4d 100%);
  padding: var(--space-lg);
  color: var(--color-indigo);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.dual-split-rest {
  background: linear-gradient(315deg, var(--color-indigo) 0%, #2c3e5c 100%);
  padding: var(--space-lg);
  color: var(--color-driftwood);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (max-width: 640px) {
  .dual-split {
    grid-template-columns: 1fr;
  }
}

.kinetic-layer {
  will-change: transform;
  transition: transform 0.15s ease-out;
}

.section-kinetic-zone {
  transform-origin: center top;
}

.section-recovery-friction {
  scroll-margin-top: 5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  border: none;
  background: var(--color-clay);
  color: var(--color-indigo);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
  transition: transform var(--transition-fast), filter var(--transition-fast);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.05);
  outline: 2px solid var(--color-indigo);
  outline-offset: 2px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-indigo);
  background: transparent;
  color: var(--color-indigo);
  font-family: var(--font-body);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--color-indigo);
  color: var(--color-driftwood);
  outline: none;
}

.site-footer {
  margin-top: var(--space-2xl);
  padding: var(--space-lg);
  background: var(--color-indigo);
  color: var(--color-driftwood);
}

.site-footer-inner {
  max-width: 92rem;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  justify-content: space-between;
  align-items: flex-start;
}

.footer-nav-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav-row a {
  color: var(--color-mist);
  text-decoration: none;
  font-size: 0.88rem;
}

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

.footer-meta {
  font-size: 0.85rem;
  color: rgba(224, 215, 208, 0.75);
  max-width: 22rem;
}

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

.legal-document {
  max-width: 50rem;
  margin: 0 auto;
}

.legal-document h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.legal-document h2 {
  font-size: 1.15rem;
  margin-top: var(--space-xl);
}

.legal-document p,
.legal-document li {
  color: #3d4a5c;
}

.legal-updated {
  font-size: 0.9rem;
  color: var(--color-mist);
  margin-bottom: var(--space-lg);
}

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
  gap: var(--space-xl);
  align-items: start;
}

.contact-form-card {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(12px);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid rgba(27, 38, 59, 0.12);
}

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

.form-field-group label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: var(--space-xs);
}

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

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

.form-consent-row {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  margin: var(--space-md) 0;
  font-size: 0.88rem;
}

.form-consent-row input {
  margin-top: 0.25rem;
}

.map-embed-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  min-height: 16rem;
}

.map-embed-wrap iframe {
  width: 100%;
  height: 18rem;
  border: 0;
  display: block;
}

/* Products */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: var(--space-lg);
}

.product-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(27, 38, 59, 0.1);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-soft);
}

.product-card-visual {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

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

.product-card-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}

.product-price {
  font-weight: 700;
  color: var(--color-clay);
  margin-top: auto;
}

/* Daily load calculator */
.calc-stage {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: var(--space-xl);
  align-items: center;
}

.calc-ring-wrap {
  display: flex;
  justify-content: center;
}

.calc-ring {
  width: min(14rem, 70vw);
  height: min(14rem, 70vw);
  border-radius: 50%;
  background: conic-gradient(
    var(--color-clay) 0deg,
    var(--color-clay) var(--ring-fill, 120deg),
    rgba(27, 38, 59, 0.35) var(--ring-fill, 120deg),
    rgba(27, 38, 59, 0.35) 360deg
  );
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-glow);
  position: relative;
}

.calc-ring-inner {
  width: 72%;
  height: 72%;
  border-radius: 50%;
  background: var(--color-driftwood);
  display: grid;
  place-items: center;
  text-align: center;
  padding: var(--space-md);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-indigo);
}

.calc-slider-wrap label {
  font-weight: 600;
  display: block;
  margin-bottom: var(--space-sm);
}

.calc-slider {
  width: 100%;
  accent-color: var(--color-clay);
}

.calc-output-blocks {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.calc-output-block {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-clay);
  background: rgba(255, 255, 255, 0.5);
}

.calc-output-block.is-muted {
  border-left-color: var(--color-indigo);
  opacity: 0.55;
}

/* Circadian timeline */
.timeline-vertical {
  position: relative;
  padding-left: var(--space-xl);
  border-left: 3px solid;
  border-image: linear-gradient(
      to bottom,
      #ff8a4d,
      var(--color-mist),
      var(--color-indigo)
    )
    1;
  margin-left: var(--space-md);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-xl);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-xl) - 0.45rem);
  top: 0.35rem;
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50%;
  background: var(--color-clay);
  box-shadow: 0 0 0 4px var(--color-driftwood);
}

.timeline-item:nth-child(2)::before {
  background: #e07850;
}

.timeline-item:nth-child(3)::before {
  background: var(--color-mist);
}

.timeline-item:nth-child(4)::before {
  background: var(--color-indigo);
}

.timeline-item h3 {
  margin: 0 0 var(--space-xs);
  font-family: var(--font-display);
}

/* Breath library */
.tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.tab-button {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-indigo);
  background: transparent;
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
  color: var(--color-indigo);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.tab-button[aria-selected="true"] {
  background: var(--color-indigo);
  color: var(--color-driftwood);
}

.tab-panel {
  display: none;
}

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

.sound-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-md);
}

.sound-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.55);
  border-radius: var(--radius-md);
  border: 1px solid rgba(27, 38, 59, 0.08);
}

.play-pulse {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: none;
  background: var(--color-indigo);
  color: var(--color-driftwood);
  cursor: pointer;
  display: grid;
  place-items: center;
  animation: pulse-60 1s ease-in-out infinite;
}

@keyframes pulse-60 {
  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(27, 38, 59, 0.35);
  }
  50% {
    transform: scale(1.04);
    box-shadow: 0 0 0 0.5rem rgba(27, 38, 59, 0);
  }
}

/* Thank you & 404 */
.state-hero {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  max-width: 40rem;
  margin: 0 auto;
}

.state-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.25rem);
}

/* Privacy modal */
.consent-modal {
  position: fixed;
  inset: auto 1rem 1rem 1rem;
  max-width: 32rem;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.25);
  z-index: var(--modal-z);
  border: 1px solid rgba(27, 38, 59, 0.12);
  transform: translateY(120%);
  opacity: 0;
  transition: transform var(--transition-slow), opacity var(--transition-fast);
}

.consent-modal.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.consent-modal p {
  margin-top: 0;
  font-size: 0.92rem;
  color: #3d4a5c;
}

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

.consent-modal .btn-ghost {
  border-color: var(--color-indigo);
  color: var(--color-indigo);
}

.consent-modal .btn-ghost:hover,
.consent-modal .btn-ghost:focus-visible {
  background: var(--color-indigo);
  color: var(--color-driftwood);
}

.page-thank-you .state-hero.glass-card {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

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

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

@media (max-width: 320px) {
  .section-block {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

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