@import url('https://fonts.googleapis.com/css2?family=Figtree:wght@400;500;600;700&family=Noto+Sans:wght@400;500;600&display=swap');

:root {
  --color-primary: #0891b2;
  --color-primary-dark: #0e7490;
  --color-cta: #059669;
  --color-cta-dark: #047857;
  --color-bg: #ecfeff;
  --color-bg-soft: #f0fdfa;
  --color-surface: rgba(255, 255, 255, 0.88);
  --color-text: #164e63;
  --color-text-muted: #475569;
  --color-border: rgba(8, 145, 178, 0.18);
  --font-heading: 'Figtree', system-ui, sans-serif;
  --font-body: 'Noto Sans', system-ui, sans-serif;
  --safe: clamp(1rem, 4vmin, 2.5rem);
  --radius-lg: clamp(12px, 2vmin, 20px);
  --radius-md: clamp(10px, 1.5vmin, 14px);
  --shadow-soft: 0 12px 40px rgba(22, 78, 99, 0.12);
  --shadow-cta: 0 8px 24px rgba(5, 150, 105, 0.28);
  --shadow-neu: -6px -6px 16px rgba(255, 255, 255, 0.9),
    6px 6px 16px rgba(8, 145, 178, 0.12);
  --shadow-neu-inset: inset 2px 2px 6px rgba(8, 145, 178, 0.08);
  --transition-ui: 200ms ease;
  --focus-ring: 0 0 0 4px rgba(8, 145, 178, 0.35);
  --text-hero: clamp(2rem, 6.4vmin, 3.5rem);
  --text-hero-sub: clamp(1.125rem, 3.2vmin, 1.75rem);
  --text-cta: clamp(1.375rem, 4.1vmin, 2.25rem);
  --text-cta-hint: clamp(1rem, 2.7vmin, 1.5rem);
  --text-meta: clamp(1rem, 2.5vmin, 1.375rem);
  --text-touch: clamp(1.125rem, 3vmin, 1.625rem);
  --text-brand: clamp(1.125rem, 2.5vmin, 1.375rem);
  --cta-min-height: clamp(5.5rem, 16vmin, 8.75rem);
  --icon-cta: clamp(3rem, 8vmin, 4.5rem);
  --icon-cta-svg: clamp(1.75rem, 4.5vmin, 2.5rem);
  --ui-max-width: min(100%, 56rem);
}

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

html {
  height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100%;
  min-height: 100dvh;
  height: 100%;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.standby-root {
  position: relative;
  width: 100%;
  min-height: 100%;
  min-height: 100dvh;
  height: 100%;
  /* overflow: hidden; */
  /* background: linear-gradient(165deg, var(--color-bg) 0%, #e0f2fe 48%, var(--color-bg-soft) 100%); */
}

.standby-root.is-dimmed {
  filter: brightness(0.82);
  transition: filter 0.4s ease;
}

.standby-root.is-dimmed .standby-ui {
  filter: brightness(1.08);
}

.standby-root.is-dimmed .hero-panel h1,
.standby-root.is-dimmed .brand-title,
.standby-root.is-dimmed .touch-prompt {
  opacity: 0.82;
  transition: opacity 0.4s ease;
}

.standby-root.is-dimmed .standby-hero p,
.standby-root.is-dimmed .standby-meta {
  opacity: 0.78;
  transition: opacity 0.4s ease;
}

/* Tier C fallback motion (no WebGL) */
.standby-fallback-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  /* background: radial-gradient(
      circle at 30% 20%,
      rgba(34, 211, 238, 0.35) 0%,
      transparent 45%
    ),
    radial-gradient(circle at 70% 80%, rgba(5, 150, 105, 0.2) 0%, transparent 50%),
    linear-gradient(165deg, var(--color-bg), #e0f2fe); */
  animation: fallback-drift 120s ease-in-out infinite alternate;
}

@keyframes fallback-drift {
  0% {
    filter: hue-rotate(0deg) brightness(1);
    transform: scale(1) translate(0, 0);
  }
  50% {
    filter: hue-rotate(8deg) brightness(1.03);
    transform: scale(1.02) translate(12px, -8px);
  }
  100% {
    filter: hue-rotate(-6deg) brightness(0.98);
    transform: scale(1.01) translate(-10px, 10px);
  }
}

.standby-canvas-wrap {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  width: 100%;
  height: 100%;
}

.standby-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.standby-scrim {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(
    ellipse 90% 70% at 50% 42%,
    rgba(236, 254, 255, 0.15) 0%,
    rgba(236, 254, 255, 0.55) 55%,
    rgba(236, 254, 255, 0.82) 100%
  );
}

.standby-ui {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: var(--ui-max-width);
  margin-inline: auto;
  min-height: 100%;
  min-height: 100dvh;
  padding: var(--safe);
  gap: clamp(0.75rem, 2.5vmin, 1.25rem);
}

.standby-header {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vmin, 1rem);
  padding-top: clamp(0.25rem, 1vmin, 0.5rem);
  flex-shrink: 0;
}

.brand-mark {
  width: clamp(2.75rem, 6.4vmin, 3.5rem);
  height: clamp(2.75rem, 6.4vmin, 3.5rem);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-cta));
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-neu);
  flex-shrink: 0;
}

.brand-mark svg {
  width: clamp(1.5rem, 3.6vmin, 2rem);
  height: clamp(1.5rem, 3.6vmin, 2rem);
  color: #fff;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: var(--text-brand);
  font-weight: 600;
  margin: 0;
  color: var(--color-primary-dark);
}

.standby-hero {
  position: relative;
  text-align: center;
  padding: clamp(0.5rem, 1.5vmin, 0.75rem) clamp(0.25rem, 1vmin, 0.5rem);
  min-height: clamp(7rem, 14vmin, 12.5rem);
  flex-shrink: 0;
}

.hero-panel {
  transition: opacity 2.2s ease;
}

.hero-panel[hidden] {
  display: none !important;
}

.hero-panel h1 {
  font-family: var(--font-heading);
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 clamp(0.5rem, 1.8vmin, 1rem);
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.hero-panel p {
  font-size: var(--text-hero-sub);
  line-height: 1.45;
  margin: 0 auto;
  max-width: 42rem;
  padding-inline: clamp(0.25rem, 2vw, 1rem);
  color: var(--color-text-muted);
}

.standby-saver {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 2s ease;
  background: linear-gradient(
    145deg,
    rgba(236, 254, 255, 0.92) 0%,
    rgba(224, 242, 254, 0.88) 50%,
    rgba(240, 253, 250, 0.9) 100%
  );
  animation: saver-drift 90s ease-in-out infinite alternate;
}

.standby-root.is-saver .standby-saver {
  opacity: 1;
  pointer-events: auto;
}

.standby-root.is-saver .standby-ui {
  opacity: 0;
  pointer-events: none;
  transition: opacity 2s ease;
}

.saver-message {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3.6vmin, 2rem);
  font-weight: 500;
  color: rgba(22, 78, 99, 0.55);
  margin: 0;
  padding-inline: var(--safe);
  text-align: center;
  letter-spacing: 0.02em;
}

@keyframes saver-drift {
  0% {
    filter: brightness(0.92);
  }
  100% {
    filter: brightness(0.98);
  }
}

.standby-actions {
  flex: 1;
  display: flex;
  flex-direction: column;
  /* justify-content: center; */
  gap: clamp(0.75rem, 2.5vmin, 1.25rem);
  padding: clamp(0.25rem, 1vmin, 0.5rem) 0 clamp(0.5rem, 1.5vmin, 1rem);
  min-height: 0;
}

.layout-panel {
  display: flex;
  flex-direction: column;
  gap: clamp(0.75rem, 2.5vmin, 1.25rem);
  transition: opacity 2s ease;
}

.layout-panel[hidden] {
  display: none !important;
}

.layout-panel--b .cta-grid {
  flex-direction: column-reverse;
}

.cta-grid {
  display: flex;
  flex-direction: column;
  gap: clamp(0.75rem, 2.5vmin, 1.25rem);
}

.cta-card {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2.5vmin, 1.25rem);
  width: 100%;
  min-height: var(--cta-min-height);
  padding: clamp(1rem, 2.7vmin, 1.5rem) clamp(1rem, 3.2vmin, 1.75rem);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-neu);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  color: inherit;
  transition: transform var(--transition-ui), box-shadow var(--transition-ui),
    border-color var(--transition-ui), background var(--transition-ui);
  animation: cta-float 5s ease-in-out infinite;
}

.cta-card:focus {
  outline: none;
}

.cta-card:focus-visible {
  box-shadow: var(--shadow-neu), var(--focus-ring);
  border-color: rgba(8, 145, 178, 0.45);
}

.cta-card--schedule {
  animation-delay: 2.4s;
}

@keyframes cta-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

/* .cta-card:active {
  transform: scale(0.985) translateY(0);
  box-shadow: var(--shadow-neu-inset), 0 4px 12px rgba(22, 78, 99, 0.12);
} */

.cta-card--primary {
  border-color: rgba(8, 145, 178, 0.35);
}

.cta-card--primary .cta-icon {
  background: rgba(8, 145, 178, 0.12);
  color: var(--color-primary);
}

.cta-card--schedule .cta-icon {
  background: rgba(5, 150, 105, 0.12);
  color: var(--color-cta);
}

.cta-icon {
  width: var(--icon-cta);
  height: var(--icon-cta);
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.cta-icon svg {
  width: var(--icon-cta-svg);
  height: var(--icon-cta-svg);
}

.cta-copy {
  flex: 1;
  min-width: 0;
}

.cta-label {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-cta);
  font-weight: 700;
  margin-bottom: clamp(0.2rem, 0.7vmin, 0.375rem);
  color: var(--color-text);
}

.cta-hint {
  display: block;
  font-size: var(--text-cta-hint);
  line-height: 1.35;
  color: var(--color-text-muted);
}

.cta-chevron {
  width: clamp(1.25rem, 3.2vmin, 1.75rem);
  height: clamp(1.25rem, 3.2vmin, 1.75rem);
  color: var(--color-text-muted);
  opacity: 0.7;
  flex-shrink: 0;
}

.standby-meta {
  text-align: center;
  font-size: var(--text-meta);
  color: var(--color-text-muted);
  margin: 0;
  flex-shrink: 0;
}

.standby-footer {
  text-align: center;
  padding-bottom: clamp(0.25rem, 1.5vmin, 0.75rem);
  flex-shrink: 0;
}

.touch-prompt {
  display: inline-flex;
  align-items: center;
  gap: clamp(0.5rem, 1.5vmin, 0.75rem);
  padding: clamp(0.625rem, 1.6vmin, 0.875rem) clamp(1rem, 3.2vmin, 1.75rem);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-neu);
  font-size: var(--text-touch);
  font-weight: 500;
  color: var(--color-primary-dark);
  animation: touch-breathe 3s ease-in-out infinite;
  max-width: 100%;
}

@keyframes touch-breathe {
  0%,
  100% {
    opacity: 0.88;
  }
  50% {
    opacity: 1;
  }
}

.touch-prompt svg {
  width: clamp(1.25rem, 3.2vmin, 1.75rem);
  height: clamp(1.25rem, 3.2vmin, 1.75rem);
  flex-shrink: 0;
  animation: touch-pulse 2s ease-in-out infinite;
}

@keyframes touch-pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.08);
  }
}

.scene-status {
  text-align: center;
  font-size: clamp(0.875rem, 2vmin, 1.125rem);
  color: var(--color-text-muted);
  min-height: 1.5rem;
  margin: 0;
}

/* Landscape / wide: side-by-side CTAs, tighter vertical stack */
@media (min-aspect-ratio: 4/5) and (min-width: 40rem) {
  .cta-grid {
    flex-direction: row;
    align-items: stretch;
  }

  .layout-panel--b .cta-grid {
    flex-direction: row-reverse;
  }

  .cta-card {
    flex: 1;
  }

  .standby-hero {
    min-height: clamp(5rem, 12vmin, 8rem);
  }
}

/* Very short viewports: compress hero */
@media (max-height: 32rem) {
  .standby-hero {
    min-height: auto;
    padding-block: 0.25rem;
  }

  .hero-panel h1 {
    margin-bottom: 0.35rem;
  }

  .standby-actions {
    padding-block: 0.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .standby-fallback-bg,
  .cta-card,
  .touch-prompt,
  .touch-prompt svg,
  .standby-saver {
    animation: none !important;
  }

  .standby-ui[data-ui-shell] {
    transition: transform 30s ease-in-out !important;
  }

  .standby-root.is-saver .standby-ui {
    opacity: 1;
    pointer-events: auto;
  }

  .standby-saver {
    display: none !important;
  }
}