/* ==========================================================================
   Bhasku landing page — Claymorphism (mobile-mascot) design system
   Tokens generated via ui-ux-pro-max --design-system for a mascot-led,
   playful digital-wellbeing / habit-tracker product.
   ========================================================================== */

:root {
  --color-primary: #D97706;
  --color-primary-dark: #B45309;
  --color-on-primary: #FFFFFF;
  --color-secondary: #F59E0B;
  --color-accent: #059669;
  --color-background: #FFFBEB;
  --color-foreground: #0F172A;
  --color-muted: #FCF6F0;
  --color-muted-fg: #6B5B4D;
  --color-border: #FAEEE1;
  --color-destructive: #DC2626;
  --color-ring: #D97706;

  --font-heading: "Nunito", "DM Sans", sans-serif;
  --font-body: "DM Sans", "Nunito", sans-serif;

  --radius-sm: 20px;
  --radius-md: 32px;
  --radius-lg: 44px;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;

  --shadow-clay:
    8px 8px 20px rgba(180, 83, 9, 0.18),
    -6px -6px 16px rgba(255, 255, 255, 0.9),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  --shadow-clay-sm:
    5px 5px 12px rgba(180, 83, 9, 0.16),
    -4px -4px 10px rgba(255, 255, 255, 0.85);
  --shadow-pop: 0 20px 40px -12px rgba(15, 23, 42, 0.25);

  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #1C1508;
    --color-foreground: #FDF6E9;
    --color-muted: #2A200E;
    --color-muted-fg: #C9B79C;
    --color-border: #3A2C15;
    --shadow-clay:
      8px 8px 20px rgba(0, 0, 0, 0.45),
      -6px -6px 16px rgba(255, 255, 255, 0.04),
      inset 0 1px 0 rgba(255, 255, 255, 0.05);
    --shadow-clay-sm:
      5px 5px 12px rgba(0, 0, 0, 0.4),
      -4px -4px 10px rgba(255, 255, 255, 0.03);
  }
}

/* ------------------------------------------------------------------------ */
/* Reset / base                                                             */
/* ------------------------------------------------------------------------ */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--color-background);
  color: var(--color-foreground);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 800;
  margin: 0;
  line-height: 1.15;
}

p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img, svg { display: block; max-width: 100%; }

.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: var(--space-3);
}

.muted { color: var(--color-muted-fg); font-size: 0.9rem; }

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

/* ------------------------------------------------------------------------ */
/* Background blobs                                                        */
/* ------------------------------------------------------------------------ */

.blob-field {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
  animation: drift 16s ease-in-out infinite;
}
.blob--1 { width: 420px; height: 420px; background: #FDE68A; top: -120px; left: -100px; }
.blob--2 { width: 380px; height: 380px; background: #A7F3D0; top: 30%; right: -140px; animation-delay: -5s; }
.blob--3 { width: 320px; height: 320px; background: #FBCFE8; bottom: -100px; left: 30%; animation-delay: -9s; }

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -24px) scale(1.08); }
}

/* ------------------------------------------------------------------------ */
/* Buttons                                                                   */
/* ------------------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 800;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 200ms var(--ease-spring), box-shadow 200ms var(--ease-out);
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 3px solid var(--color-ring);
  outline-offset: 3px;
}
.btn--small { padding: 10px 18px; font-size: 0.85rem; }
.btn--large { padding: 16px 30px; font-size: 1rem; }

.btn--primary {
  background: linear-gradient(145deg, var(--color-secondary), var(--color-primary));
  color: var(--color-on-primary);
  box-shadow: var(--shadow-clay-sm);
}
.btn--primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: var(--shadow-pop); }
.btn--primary:active { transform: translateY(0) scale(0.97); }

.btn--ghost {
  background: var(--color-muted);
  color: var(--color-foreground);
  border: 2px solid var(--color-border);
}
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--color-primary); }
.btn--ghost:active { transform: translateY(0) scale(0.97); }

/* ------------------------------------------------------------------------ */
/* Nav                                                                       */
/* ------------------------------------------------------------------------ */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  padding-block: 14px;
  transition: background 250ms var(--ease-out), box-shadow 250ms var(--ease-out), padding 250ms var(--ease-out);
}
.nav.is-scrolled {
  background: color-mix(in srgb, var(--color-background) 88%, transparent);
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  padding-block: 10px;
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.2rem;
}
.nav__logo { display: inline-flex; filter: drop-shadow(0 3px 6px rgba(217,119,6,0.3)); }
.nav__links {
  display: flex;
  gap: var(--space-4);
  margin-left: var(--space-4);
  font-weight: 700;
  font-size: 0.95rem;
}
.nav__links a { position: relative; padding-block: 4px; opacity: 0.85; transition: opacity 200ms; }
.nav__links a:hover { opacity: 1; }
.nav__links a::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -2px;
  height: 3px; border-radius: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms var(--ease-out);
}
.nav__links a:hover::after { transform: scaleX(1); }
.nav__cta { margin-left: auto; }
.nav__burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; margin-left: auto; }
.nav__burger span { width: 24px; height: 3px; border-radius: 2px; background: var(--color-foreground); }

/* ------------------------------------------------------------------------ */
/* Hero                                                                      */
/* ------------------------------------------------------------------------ */

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-6);
  align-items: center;
  padding-block: var(--space-6) var(--space-7);
  min-height: 88vh;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  background: var(--color-muted);
  border: 1px solid var(--color-border);
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: var(--space-3);
}
.eyebrow__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-accent); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

.hero__title {
  font-size: clamp(2.4rem, 4.6vw, 3.6rem);
  margin-bottom: var(--space-3);
}
.text-pop { color: var(--color-primary); }
.hero__rotator {
  display: inline-block;
  color: var(--color-accent);
  border-bottom: 4px solid var(--color-secondary);
}

.hero__sub {
  max-width: 52ch;
  font-size: 1.1rem;
  color: var(--color-muted-fg);
  margin-bottom: var(--space-4);
}

.hero__cta-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.hero__proof {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--color-muted-fg);
}
.stars { display: inline-flex; gap: 2px; }
.stars--sm svg, .stars--sm { font-size: 0.9rem; letter-spacing: 2px; color: var(--color-primary); }

.hero__art {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 520px;
}

.phone-frame {
  position: relative;
  width: 280px;
  height: 560px;
  background: var(--color-foreground);
  border-radius: 46px;
  padding: 14px;
  box-shadow: var(--shadow-pop), 0 0 0 3px rgba(15,23,42,0.08);
  z-index: 2;
}
.phone-frame__notch {
  position: absolute;
  top: 14px; left: 50%; transform: translateX(-50%);
  width: 90px; height: 22px;
  background: var(--color-foreground);
  border-radius: 0 0 16px 16px;
  z-index: 3;
}
.phone-screen {
  width: 100%; height: 100%;
  background: var(--color-background);
  border-radius: 32px;
  overflow: hidden;
  padding: 28px 16px 16px;
}

.mock-app__top { display: flex; justify-content: space-between; font-weight: 800; font-size: 0.85rem; margin-bottom: 14px; }
.mock-app__streak { color: var(--color-primary); }
.mock-app__score {
  display: flex; align-items: center; gap: 12px;
  background: #fff; border: 2px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 14px; margin-bottom: 14px; box-shadow: var(--shadow-clay-sm);
}
.mock-app__score-ring {
  width: 56px; height: 56px; border-radius: 50%;
  background: conic-gradient(var(--color-accent) 0% 82%, var(--color-border) 82% 100%);
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  color: var(--color-foreground); font-size: 0.6rem;
}
.mock-app__score-ring strong { font-size: 1rem; font-family: var(--font-heading); }
.mock-app__score-copy p { font-size: 0.82rem; font-weight: 700; }
.mock-app__habit {
  display: flex; align-items: center; gap: 10px;
  background: #fff; border: 2px solid var(--color-border); border-radius: 16px;
  padding: 10px 12px; margin-bottom: 8px; font-size: 0.85rem; font-weight: 700;
}
.mock-check {
  width: 20px; height: 20px; border-radius: 6px; background: var(--color-accent);
  color: #fff; font-size: 0.75rem; display: flex; align-items: center; justify-content: center;
}
.mock-check--empty { background: var(--color-muted); border: 2px solid var(--color-border); }
.mock-app__habit--pending { opacity: 0.6; }

.mascot-orbit {
  position: absolute;
  right: -20px;
  bottom: -10px;
  z-index: 4;
  filter: drop-shadow(0 18px 24px rgba(15,23,42,0.2));
}

.floaty-card {
  position: absolute;
  display: flex; align-items: center; gap: 8px;
  background: #fff;
  border: 2px solid var(--color-border);
  border-radius: 18px;
  padding: 10px 14px;
  font-weight: 800;
  font-size: 0.82rem;
  box-shadow: var(--shadow-clay-sm);
  z-index: 5;
}
.floaty-card--1 { top: 8%; left: -10px; }
.floaty-card--2 { bottom: 14%; right: -30px; }

/* ------------------------------------------------------------------------ */
/* Trust strip                                                              */
/* ------------------------------------------------------------------------ */

.trust {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  padding-bottom: var(--space-6);
}
.trust__item {
  text-align: center;
  background: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
}
.trust__item strong { display: block; font-family: var(--font-heading); font-size: 1.8rem; color: var(--color-primary); }
.trust__item span { font-size: 0.85rem; color: var(--color-muted-fg); font-weight: 600; }

/* ------------------------------------------------------------------------ */
/* Section titles                                                           */
/* ------------------------------------------------------------------------ */

.section-title {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  text-align: center;
  margin-bottom: var(--space-2);
}
.section-title--left { text-align: left; }
.section-sub {
  text-align: center;
  max-width: 60ch;
  margin-inline: auto;
  color: var(--color-muted-fg);
  font-size: 1.05rem;
  margin-bottom: var(--space-5);
}
.section-sub--left { text-align: left; margin-inline: 0; }

/* ------------------------------------------------------------------------ */
/* Clay card base                                                           */
/* ------------------------------------------------------------------------ */

.clay-card {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-clay);
  border: 1px solid var(--color-border);
}

/* ------------------------------------------------------------------------ */
/* Features                                                                  */
/* ------------------------------------------------------------------------ */

.features { padding-block: var(--space-6); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}
.feature-card {
  padding: var(--space-4) var(--space-3);
  transition: transform 260ms var(--ease-spring), box-shadow 260ms var(--ease-out);
}
.feature-card:hover { transform: translateY(-8px) scale(1.02); box-shadow: var(--shadow-pop); }
.feature-card__icon {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 56px; height: 56px;
  border-radius: 18px;
  background: var(--icon-bg, var(--color-muted));
  margin-bottom: var(--space-2);
  box-shadow: var(--shadow-clay-sm);
}
.feature-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.feature-card p { color: var(--color-muted-fg); font-size: 0.95rem; }

/* ------------------------------------------------------------------------ */
/* Mascot section                                                           */
/* ------------------------------------------------------------------------ */

.mascot-section {
  padding-block: var(--space-7);
  background: var(--color-muted);
  border-block: 1px solid var(--color-border);
}
.mascot-section__inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-6);
  align-items: center;
}
.mascot-stage {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 380px;
}
.mascot-stage__glow {
  position: absolute;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217,119,6,0.25), transparent 70%);
  filter: blur(10px);
}
.mascot-big { position: relative; z-index: 2; }

.mascot-traits { list-style: none; padding: 0; margin: var(--space-3) 0 0; display: grid; gap: 12px; }
.mascot-traits li { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.mascot-traits__dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }

/* mascot part animations */
.mascot-svg .mascot-body,
.mascot-svg .mascot-head { transform-origin: 100px 176px; }
.mascot-eye circle:last-child { transform-origin: center; }

/* ------------------------------------------------------------------------ */
/* Screenshots                                                              */
/* ------------------------------------------------------------------------ */

.screens { padding-block: var(--space-6); }
.screens__track {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  padding-block: var(--space-2) var(--space-3);
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.screens__track::-webkit-scrollbar { height: 8px; }
.screens__track::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 8px; }

.screen-card {
  flex: 0 0 220px;
  scroll-snap-align: start;
  background: #fff;
  border: 3px solid var(--color-foreground);
  border-radius: 28px;
  box-shadow: 6px 6px 0 var(--color-foreground);
  overflow: hidden;
  transition: transform 220ms var(--ease-spring);
}
.screen-card:hover { transform: translateY(-6px); }
.screen-card__head {
  background: var(--color-foreground);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.85rem;
  padding: 10px 14px;
}
.screen-card__body { padding: 16px; min-height: 260px; }
.screen-card__body--center { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; }

.s-score {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.s-row { height: 14px; background: var(--color-muted); border-radius: 8px; margin-bottom: 8px; }
.s-row--sm { width: 60%; }

.s-habit {
  background: var(--color-muted);
  border-radius: 12px;
  padding: 8px 10px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.s-habit--done { background: #D1FAE5; text-decoration: line-through; opacity: 0.7; }

.s-breath-ring {
  width: 90px; height: 90px;
  border-radius: 50%;
  border: 6px solid var(--color-accent);
  animation: breathe 4s ease-in-out infinite;
}
@keyframes breathe { 0%, 100% { transform: scale(0.85); opacity: 0.7; } 50% { transform: scale(1.05); opacity: 1; } }

.s-bars { display: flex; align-items: flex-end; gap: 6px; height: 100px; margin-bottom: 10px; }
.s-bars span { flex: 1; background: var(--color-secondary); border-radius: 4px 4px 0 0; }

.s-widget {
  background: var(--color-muted);
  border-radius: 16px;
  padding: 16px;
  text-align: center;
}
.s-widget strong { display: block; font-family: var(--font-heading); font-size: 2rem; color: var(--color-primary); }

/* ------------------------------------------------------------------------ */
/* Reviews                                                                   */
/* ------------------------------------------------------------------------ */

.reviews { padding-block: var(--space-6); }
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.review-card { padding: var(--space-3); }
.review-card p { margin-block: var(--space-2); font-size: 0.95rem; }
.review-card footer { font-size: 0.85rem; font-weight: 700; color: var(--color-muted-fg); }

/* ------------------------------------------------------------------------ */
/* Download CTA                                                             */
/* ------------------------------------------------------------------------ */

.download-cta {
  position: relative;
  margin: var(--space-6) auto var(--space-7);
  max-width: 1180px;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, var(--color-secondary), var(--color-primary-dark));
  color: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-pop);
}
.download-cta__inner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-7) var(--space-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}
.download-cta h2 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); }
.download-cta p { font-size: 1.05rem; opacity: 0.92; max-width: 46ch; }
.download-cta__mascot { position: absolute; top: -40px; right: 4%; opacity: 0.9; z-index: 1; }

.download-cta__badges { margin-top: var(--space-2); }
.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-foreground);
  color: #fff;
  padding: 12px 22px;
  border-radius: 16px;
  box-shadow: 0 12px 24px rgba(0,0,0,0.25);
  transition: transform 200ms var(--ease-spring);
}
.store-badge:hover { transform: translateY(-3px) scale(1.03); }
.store-badge small { display: block; font-size: 0.65rem; opacity: 0.8; }
.store-badge strong { font-family: var(--font-heading); font-size: 1.1rem; }

/* ------------------------------------------------------------------------ */
/* Footer                                                                    */
/* ------------------------------------------------------------------------ */

.footer { padding-block: var(--space-4); border-top: 1px solid var(--color-border); }
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.footer__brand { display: flex; align-items: center; gap: 8px; font-family: var(--font-heading); font-weight: 900; }
.footer__links { display: flex; gap: var(--space-3); font-weight: 700; font-size: 0.9rem; }
.footer__links a { opacity: 0.75; transition: opacity 200ms; }
.footer__links a:hover { opacity: 1; }
.footer__copy { font-size: 0.85rem; color: var(--color-muted-fg); }

/* ------------------------------------------------------------------------ */
/* Reveal-on-scroll base state (JS adds .is-visible)                        */
/* ------------------------------------------------------------------------ */

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
}

/* ------------------------------------------------------------------------ */
/* Responsive                                                               */
/* ------------------------------------------------------------------------ */

@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: 1fr; }
  .mascot-section__inner { grid-template-columns: 1fr; text-align: center; }
  .mascot-copy { display: flex; flex-direction: column; align-items: center; }
  .section-title--left, .section-sub--left { text-align: center; margin-inline: auto; }
  .mascot-traits { justify-items: center; }
  .mascot-traits li { justify-content: center; }
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-block: var(--space-5) var(--space-6); min-height: auto; }
  .hero__art { order: -1; margin-bottom: var(--space-3); }
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .trust { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .feature-grid { grid-template-columns: 1fr; }
  .phone-frame { width: 240px; height: 480px; }
  .download-cta__mascot { display: none; }
  .nav__cta { display: none; }
}