:root,
[data-theme='light'] {
  --font-display: 'Cabinet Grotesk', 'Arial', sans-serif;
  --font-body: 'Satoshi', 'Arial', sans-serif;
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --color-bg: #f4f0e8;
  --color-surface: #fbfaf5;
  --color-surface-2: #ffffff;
  --color-surface-offset: #e9e2d2;
  --color-border: #d7ceb9;
  --color-text: #243126;
  --color-text-muted: #667261;
  --color-text-faint: #9ca78f;
  --color-primary: #1f6f43;
  --color-primary-hover: #185935;
  --color-primary-highlight: #d6ead6;
  --color-blue: #3f8ea3;
  --color-warning: #b7602b;
  --color-error: #9e3d46;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 1px 2px oklch(0.2 0.04 140 / 0.06);
  --shadow-md: 0 8px 24px oklch(0.2 0.04 140 / 0.12);
  --shadow-lg: 0 18px 50px oklch(0.2 0.04 140 / 0.18);
}

[data-theme='dark'] {
  --color-bg: #111610;
  --color-surface: #171d15;
  --color-surface-2: #1d241a;
  --color-surface-offset: #263023;
  --color-border: #3a4635;
  --color-text: #e4eadf;
  --color-text-muted: #a9b3a2;
  --color-text-faint: #75806f;
  --color-primary: #7cc76f;
  --color-primary-hover: #9ad58f;
  --color-primary-highlight: #243a24;
  --color-blue: #76bacb;
  --color-warning: #da8a55;
  --color-error: #d46b76;
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.25);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.3);
  --shadow-lg: 0 18px 50px oklch(0 0 0 / 0.45);
}

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

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background:
    radial-gradient(circle at 12% 12%, color-mix(in oklab, var(--color-primary) 13%, transparent), transparent 28rem),
    linear-gradient(145deg, var(--color-bg), color-mix(in oklab, var(--color-bg) 86%, var(--color-primary) 14%));
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: 0;
}

button,
a {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: fixed;
  left: var(--space-4);
  top: var(--space-4);
  z-index: 10;
  transform: translateY(-200%);
  padding: var(--space-2) var(--space-4);
  color: var(--color-surface);
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-4) clamp(var(--space-4), 4vw, var(--space-10));
  background: color-mix(in oklab, var(--color-surface) 86%, transparent);
  border-bottom: 1px solid color-mix(in oklab, var(--color-border) 78%, transparent);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.brand-mark {
  width: 44px;
  height: 44px;
  padding: var(--space-2);
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  border-radius: var(--radius-lg);
}

.brand-mark path,
.target-mark path,
.target-mark circle {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 4;
}

.eyebrow {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.top-nav {
  display: flex;
  gap: var(--space-2);
}

.top-nav button,
.theme-toggle,
.secondary-button,
.phone-controls button {
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}

.top-nav button:hover,
.theme-toggle:hover,
.secondary-button:hover,
.phone-controls button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

main {
  width: min(1180px, calc(100% - clamp(var(--space-4), 5vw, var(--space-16))));
  margin-inline: auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.65fr);
  gap: var(--space-8);
  align-items: end;
  min-height: 72dvh;
  padding-block: clamp(var(--space-12), 8vw, var(--space-20));
}

.hero h1,
.section-heading h2,
.target-section h2,
.journey h2,
.implementation h2 {
  max-width: 12ch;
  margin-top: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.section-heading h2,
.target-section h2,
.journey h2,
.implementation h2 {
  max-width: 16ch;
  font-size: var(--text-xl);
}

.lede {
  max-width: 62ch;
  margin-top: var(--space-6);
  color: var(--color-text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.primary-button {
  min-height: 48px;
  padding: var(--space-3) var(--space-6);
  font-weight: 700;
  color: white;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
}

.primary-button:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.hero-panel,
.action-panel,
.target-card,
.journey-list li,
.implementation {
  background: color-mix(in oklab, var(--color-surface) 92%, transparent);
  border: 1px solid color-mix(in oklab, var(--color-border) 72%, transparent);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.hero-panel {
  padding: var(--space-6);
}

.hero-panel dl {
  display: grid;
  gap: var(--space-4);
}

.hero-panel dt {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.hero-panel dd {
  font-weight: 700;
}

.experience-shell {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(280px, 0.55fr);
  gap: var(--space-8);
  align-items: start;
  padding-block: var(--space-12);
}

.section-heading {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: var(--space-8);
  align-items: end;
}

.section-heading p:last-child {
  color: var(--color-text-muted);
}

.phone-frame {
  width: min(420px, 100%);
  margin-inline: auto;
  overflow: hidden;
  background: #10170f;
  border: 10px solid #111;
  border-radius: 2rem;
  box-shadow: var(--shadow-lg);
}

.phone-topbar,
.phone-controls {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  align-items: center;
  padding: var(--space-3);
  color: #eaf3e8;
  background: #10170f;
}

.phone-topbar {
  font-size: var(--text-xs);
  font-weight: 700;
}

.viewport {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  background: #21331f;
  isolation: isolate;
}

.viewport video,
.fallback-field {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fallback-field {
  display: grid;
  place-items: center;
  color: color-mix(in oklab, #dce8d7 70%, transparent);
  background:
    linear-gradient(160deg, #567644, #203820),
    radial-gradient(circle at center, #71935b, transparent 16rem);
}

.pitch-lines {
  position: absolute;
  inset: 9%;
  border: 2px solid color-mix(in oklab, white 44%, transparent);
}

.pitch-lines::before,
.pitch-lines::after {
  position: absolute;
  content: '';
  background: color-mix(in oklab, white 44%, transparent);
}

.pitch-lines::before {
  left: 50%;
  top: 0;
  width: 2px;
  height: 100%;
}

.pitch-lines::after {
  left: calc(50% - 42px);
  top: calc(50% - 42px);
  width: 84px;
  height: 84px;
  background: transparent;
  border: 2px solid color-mix(in oklab, white 44%, transparent);
  border-radius: 50%;
}

.scan-grid {
  position: absolute;
  inset: 7%;
  z-index: 2;
  border: 1px solid color-mix(in oklab, white 38%, transparent);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(color-mix(in oklab, white 15%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, white 15%, transparent) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
}

.ar-scene {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.scene-depth {
  position: absolute;
  inset: auto 8% 14% 8%;
  height: 52%;
  border-radius: 50% 50% 0 0;
  transform: perspective(400px) rotateX(62deg);
  transform-origin: bottom;
  background: color-mix(in oklab, var(--scene-color, #66a6d8) 34%, transparent);
  filter: blur(1px);
}

.scene-object {
  position: absolute;
  width: 78px;
  height: 78px;
  border-radius: 28% 72% 63% 37%;
  background: var(--scene-color, #66a6d8);
  box-shadow: 0 18px 30px color-mix(in oklab, var(--scene-color, #66a6d8) 38%, transparent);
  animation: float 4.2s var(--ease-out) infinite alternate;
}

.scene-object-one {
  left: 12%;
  top: 32%;
}

.scene-object-two {
  right: 16%;
  top: 42%;
  width: 98px;
  height: 98px;
  animation-delay: 0.4s;
}

.scene-object-three {
  left: 42%;
  top: 19%;
  width: 54px;
  height: 54px;
  animation-delay: 0.8s;
}

[data-scene='heat'] {
  --scene-color: #f2a84c;
}

[data-scene='footprint'] {
  --scene-color: #8ccf80;
}

[data-scene='flood'] {
  --scene-color: #5db3d1;
}

.scene-card {
  position: absolute;
  left: var(--space-4);
  right: var(--space-4);
  bottom: var(--space-4);
  padding: var(--space-4);
  color: #f9fff6;
  background: color-mix(in oklab, #0f150e 82%, transparent);
  border: 1px solid color-mix(in oklab, white 22%, transparent);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(14px);
}

.scene-card span,
.impact-meter span,
.pledge-result span {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--scene-color, #8ccf80) 75%, white);
}

.scene-card h3 {
  margin-top: var(--space-1);
  font-family: var(--font-display);
  font-size: var(--text-lg);
}

.impact-meter {
  position: absolute;
  right: var(--space-4);
  top: var(--space-4);
  display: grid;
  gap: var(--space-1);
  min-width: 130px;
  padding: var(--space-3);
  color: #f9fff6;
  background: color-mix(in oklab, #0f150e 76%, transparent);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
}

.phone-controls {
  flex-wrap: wrap;
}

.phone-controls button {
  flex: 1 1 auto;
  min-width: 110px;
  color: #eaf3e8;
  background: #1d281c;
  border-color: #3f503a;
}

.action-panel {
  padding: var(--space-6);
}

.action-panel h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
}

.action-panel p {
  margin-top: var(--space-2);
  color: var(--color-text-muted);
}

.pledge-list {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.pledge-list button {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4);
  text-align: left;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.pledge-list button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.pledge-list span {
  font-weight: 700;
}

.pledge-list small {
  color: var(--color-text-muted);
}

.pledge-result {
  display: grid;
  gap: var(--space-1);
  margin-top: var(--space-6);
  padding: var(--space-4);
  background: var(--color-primary-highlight);
  border-radius: var(--radius-lg);
}

.pledge-result strong {
  color: var(--color-text);
}

.target-section,
.implementation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.5fr);
  gap: var(--space-8);
  align-items: center;
  padding-block: var(--space-12);
}

.target-section p,
.implementation p {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
}

.target-card {
  display: grid;
  justify-items: center;
  gap: var(--space-3);
  padding: var(--space-6);
  text-align: center;
}

.qr-like {
  display: grid;
  grid-template-columns: repeat(6, 18px);
  gap: 4px;
  padding: var(--space-3);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.qr-like span {
  width: 18px;
  height: 18px;
  background: var(--color-text);
  border-radius: 2px;
}

.qr-like span:nth-child(2n),
.qr-like span:nth-child(7),
.qr-like span:nth-child(13),
.qr-like span:nth-child(17) {
  opacity: 0.16;
}

.target-mark {
  width: 120px;
  color: var(--color-primary);
}

.journey {
  padding-block: var(--space-12);
}

.journey-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
  list-style: none;
}

.journey-list li {
  padding: var(--space-5);
}

.journey-list span {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: var(--space-4);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  border-radius: var(--radius-full);
}

.journey-list h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
}

.journey-list p {
  margin-top: var(--space-2);
  color: var(--color-text-muted);
}

.implementation {
  padding: var(--space-8);
  margin-block: var(--space-12);
}

.implementation-list {
  display: grid;
  gap: var(--space-3);
  list-style: none;
}

.implementation-list li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.site-footer {
  width: min(1180px, calc(100% - clamp(var(--space-4), 5vw, var(--space-16))));
  margin-inline: auto;
  padding-block: var(--space-8);
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

@keyframes float {
  from {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  to {
    transform: translate3d(0, -16px, 0) rotate(8deg);
  }
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .top-nav {
    grid-column: 1 / -1;
    overflow-x: auto;
    padding-bottom: var(--space-1);
  }

  .hero,
  .experience-shell,
  .section-heading,
  .target-section,
  .implementation {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero h1 {
    font-size: var(--text-xl);
  }

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

@media (max-width: 560px) {
  main,
  .site-footer {
    width: min(100% - var(--space-4), 1180px);
  }

  .site-header {
    padding: var(--space-3);
  }

  .brand strong {
    font-size: var(--text-sm);
  }

  .top-nav button {
    white-space: nowrap;
  }

  .viewport {
    min-height: 540px;
  }

  .journey-list {
    grid-template-columns: 1fr;
  }

  .phone-frame {
    border-width: 6px;
    border-radius: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}