/* ═══════════════════════════════════════════════════════════
   HEARU — Design System CSS
   Mirrors the Flutter app: Urbanist font, glassmorphism,
   colour palette from AppColors.
   ═══════════════════════════════════════════════════════════ */

/* ── 1. Tokens ── */
:root {
  /* Colours — identical to AppColors.dart */
  --color-base-white: #fefbf8;
  --color-white: #ffffff;
  --color-light-grey: #f3f2f0;
  --color-dark: #3b3d48;
  --color-blue-main: #3144ed;
  --color-purple: #9184f7;
  --color-red: #dc6840;
  --color-green: #759858;

  /* Derived */
  --color-blue-subtle: rgba(49, 68, 237, 0.05);
  --color-purple-subtle: rgba(145, 132, 247, 0.05);
  --color-dark-12: rgba(59, 61, 72, 0.12);
  --color-dark-50: rgba(59, 61, 72, 0.62);
  --color-dark-08: rgba(59, 61, 72, 0.08);

  /* Typography */
  --font: "Urbanist", sans-serif;

  /* Radii */
  --radius-sm: 12px;
  --radius-md: 20px;   /* Measures.basicRadius */
  --radius-lg: 32px;
  --radius-pill: 100px;

  /* Spacing scale */
  --sp-4: 4px;
  --sp-8: 8px;
  --sp-12: 12px;   /* Measures.smallPadding */
  --sp-16: 16px;   /* Measures.leftRightPadding */
  --sp-24: 24px;
  --sp-32: 32px;
  --sp-48: 48px;
  --sp-64: 64px;
  --sp-96: 96px;
  --sp-128: 128px;

  /* Shadows */
  --shadow-card: 0 4px 32px rgba(59, 61, 72, 0.08);
  --shadow-elevated: 0 8px 48px rgba(59, 61, 72, 0.14);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 200ms;
}

/* ── 2. Reset & Base ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background-color: var(--color-base-white);
  color: var(--color-dark);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* ── 3. Layout utilities ── */
.container {
  width: 100%;
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: var(--sp-16);
}

.section {
  padding-block: var(--sp-96);
  position: relative;
}

/* ── 4. Glassmorphism blobs ── */
/* Three coloured circles blurred behind a frosted overlay,
   matching GlassmorphicBackground.dart */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}
.blob--red    { background: var(--color-red);       width: 260px; height: 260px; }
.blob--purple { background: var(--color-purple);    width: 260px; height: 260px; }
.blob--blue   { background: var(--color-blue-main); width: 200px; height: 200px; }
.blob--sm.blob--red    { width: 180px; height: 180px; }
.blob--sm.blob--purple { width: 180px; height: 180px; }
.blob--sm.blob--blue   { width: 140px; height: 140px; }
.blob--right { right: 0; }

/* Frosted overlay — mirrors GlassMorphism.dart (blur 60, purple 5%) */
.hero__glass,
.pain__glass,
.pricing__glass,
.closing__glass {
  position: absolute;
  inset: 0;
  backdrop-filter: blur(60px);
  -webkit-backdrop-filter: blur(60px);
  background: rgba(145, 132, 247, 0.04);
  pointer-events: none;
  z-index: 1;
}

/* ── 5. Glass card component ── */
.glass-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(59, 61, 72, 0.1);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 16px rgba(59, 61, 72, 0.07), 0 1px 3px rgba(59, 61, 72, 0.06);
}

/* ── 6. Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-8);
  font-family: var(--font);
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  transition: opacity var(--duration) var(--ease),
              transform var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
  white-space: nowrap;
}
.btn:hover  { opacity: 0.88; transform: translateY(-1px); }
.btn:active { opacity: 1;    transform: translateY(0); }

/* Sizes */
.btn--sm  { padding: var(--sp-8)  var(--sp-16); font-size: 14px; }
.btn--lg  { padding: var(--sp-16) var(--sp-32); font-size: 16px; }
.btn--full { width: 100%; }

/* Variants — matching ElevatedButton / OutlinedButton */
.btn--primary {
  background: var(--color-blue-main);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(49, 68, 237, 0.28);
}
.btn--primary:hover { box-shadow: 0 6px 28px rgba(49, 68, 237, 0.36); }

.btn--ghost {
  background: transparent;
  color: var(--color-dark);
  border: 1.5px solid var(--color-dark-12);
}
.btn--ghost:hover { border-color: var(--color-dark); }

.btn--outline {
  background: transparent;
  color: var(--color-blue-main);
  border: 1.5px solid var(--color-blue-main);
}

.btn--white {
  background: var(--color-white);
  color: var(--color-blue-main);
  font-weight: 700;
  border: 1.5px solid transparent;
}

/* ── 7. Section typography helpers ── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-8);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-blue-main);
  margin-bottom: var(--sp-16);
}
.section-label::before {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-blue-main);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(28px, 5vw, 46px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-dark);
  margin-bottom: var(--sp-16);
}

.section-sub {
  font-size: 17px;
  color: var(--color-dark-50);
  max-width: 560px;
  margin-bottom: var(--sp-48);
}

.section-sub--small {
  font-size: 13px;
  color: var(--color-dark-50);
  margin-top: calc(-1 * var(--sp-32));
  margin-bottom: var(--sp-32);
  font-style: italic;
}


/* ══════════════════════════════
   NAV
══════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(254, 251, 248, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-dark-08);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo-svg {
  height: 36px;
  width: auto;
}


/* ══════════════════════════════
   HERO
══════════════════════════════ */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 64px; /* offset nav */
}

.hero__blobs {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__blobs .blob--red    { top: -60px;  left: -60px;  }
.hero__blobs .blob--purple { top: 40%;    left: -80px;  transform: translateY(-50%); }
.hero__blobs .blob--blue   { bottom: -40px; right: -40px; }

.hero__content {
  position: relative;
  z-index: 2;
  padding-block: var(--sp-96);
  max-width: 700px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-8);
  background: var(--color-blue-subtle);
  color: var(--color-blue-main);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: var(--sp-8) var(--sp-16);
  border-radius: var(--radius-pill);
  margin-bottom: var(--sp-24);
  border: 1px solid rgba(49, 68, 237, 0.12);
}
.hero__badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-blue-main);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1;   transform: scale(1);   }
  50%       { opacity: 0.5; transform: scale(1.3); }
}

.hero__headline {
  font-size: clamp(38px, 7vw, 72px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-dark);
  margin-bottom: var(--sp-24);
}

.hero__subheadline {
  font-size: clamp(16px, 2.2vw, 20px);
  font-weight: 400;
  color: var(--color-dark-50);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  gap: var(--sp-16);
  flex-wrap: wrap;
  margin-bottom: var(--sp-24);
}

.hero__disclaimer {
  font-size: 13px;
  color: var(--color-dark-50);
  letter-spacing: 0.02em;
}

.hero__micro {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-blue-main);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: var(--sp-4);
}


/* ══════════════════════════════
   DEMO
══════════════════════════════ */
.demo {
  background: var(--color-base-white);
}

.demo__layout {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--sp-32);
}

/* Voice input side */
.demo__input-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-24);
}

.demo__mic-wrapper {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.demo__mic-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(49, 68, 237, 0.18);
  animation: mic-ring 2.4s ease-in-out infinite;
}

@keyframes mic-ring {
  0%, 100% { transform: scale(1);   opacity: 0.6; }
  50%       { transform: scale(1.2); opacity: 0.15; }
}

.demo__mic-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-blue-main);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(49, 68, 237, 0.30);
  position: relative;
  z-index: 1;
}

.demo__bubble {
  background: var(--color-white);
  border: 1px solid var(--color-light-grey);
  border-radius: var(--radius-md);
  padding: var(--sp-16) var(--sp-24);
  font-size: 16px;
  font-weight: 500;
  color: var(--color-dark);
  box-shadow: var(--shadow-card);
  text-align: center;
  line-height: 1.5;
}

.demo__quote {
  color: var(--color-blue-main);
  font-size: 22px;
  font-weight: 800;
  line-height: 0;
  vertical-align: -4px;
}

/* Arrow */
.demo__arrow {
  flex-shrink: 0;
}

/* Output cards */
.demo__output-side {
  display: flex;
  flex-direction: column;
  gap: var(--sp-12);
}

.demo__card {
  display: flex;
  align-items: center;
  gap: var(--sp-12);
  padding: var(--sp-16);
  background: var(--color-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-light-grey);
  box-shadow: var(--shadow-card);
  transition: transform var(--duration) var(--ease);
}
.demo__card:hover { transform: translateX(4px); }

.demo__card--task     { border-left: 3px solid var(--color-blue-main); }
.demo__card--event    { border-left: 3px solid var(--color-purple); }
.demo__card--reminder { border-left: 3px solid var(--color-red); }

.demo__card-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--color-blue-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.demo__card-icon--purple { background: rgba(145, 132, 247, 0.08); }
.demo__card-icon--orange { background: rgba(220, 104, 64, 0.08); }

.demo__card-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.demo__card-type {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-blue-main);
}
.demo__card-type--purple { color: var(--color-purple); }
.demo__card-type--orange { color: var(--color-red); }

.demo__card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.2;
}

.demo__card-meta {
  font-size: 13px;
  color: var(--color-dark-50);
}


/* ══════════════════════════════
   PAIN
══════════════════════════════ */
.pain {
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    160deg,
    rgba(49, 68, 237, 0.03) 0%,
    var(--color-base-white) 60%
  );
}

.pain__blobs {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.pain__blobs .blob--purple { top: -60px;  left: -60px; }
.pain__blobs .blob--blue   { bottom: -40px; right: -40px; }

.pain > .container { position: relative; z-index: 2; }

.pain__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--sp-24);
}

.pain__item {
  padding: var(--sp-24);
  display: flex;
  flex-direction: column;
  gap: var(--sp-12);
  transition: transform var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
}
.pain__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
}

.pain__icon {
  font-size: 28px;
  line-height: 1;
}

.pain__item p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-dark);
}


/* ══════════════════════════════
   HOW IT WORKS
══════════════════════════════ */
.how {
  background: var(--color-base-white);
}

.how__steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: var(--sp-16);
}

.how__step {
  display: flex;
  flex-direction: column;
  gap: var(--sp-16);
}

.how__step-number {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--color-blue-main);
}

.how__step-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(49, 68, 237, 0.07);
  border: 1px solid rgba(49, 68, 237, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.how__step-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-dark);
}

.how__step-body {
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-dark);
  opacity: 0.72;
  max-width: 280px;
}

.how__connector {
  align-self: center;
  margin-top: 36px;
  width: 60px;
  height: 2px;
  background: repeating-linear-gradient(
    to right,
    var(--color-blue-main) 0,
    var(--color-blue-main) 6px,
    transparent    6px,
    transparent    12px
  );
  opacity: 0.5;
}


/* ══════════════════════════════
   POSITIONING STATEMENT
══════════════════════════════ */
.positioning--statement {
  padding-block: var(--sp-48);
  text-align: center;
  position: relative;
  background: var(--color-dark);
  overflow: hidden;
}

/* Subtle radial glow behind the text */
.positioning--statement::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse at center, rgba(49, 68, 237, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.positioning__statement {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-12);
}

.positioning__overline {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: var(--sp-4);
  display: inline-block;
}

.positioning__headline {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--color-white);
  margin: 0;
}

.positioning__sub {
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 500;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
  max-width: 480px;
}

@media (max-width: 600px) {
  .positioning--statement { padding-block: var(--sp-32); }
  .positioning__sub br { display: none; }
}


/* ══════════════════════════════
   PRICING
══════════════════════════════ */
.pricing {
  position: relative;
  overflow: hidden;
}

.pricing__blobs {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.pricing__blobs .blob--red    { top: -60px;   left: -40px; }
.pricing__blobs .blob--purple { bottom: -60px; right: -40px; }

.pricing > .container { position: relative; z-index: 2; }

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-24);
  max-width: 700px;
}

.pricing__card {
  padding: var(--sp-32);
  display: flex;
  flex-direction: column;
  gap: var(--sp-24);
  position: relative;
  transition: transform var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
}
.pricing__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-elevated);
}

/* Featured card */
.pricing__card--featured {
  background: var(--color-blue-main);
  border: none;
}
.pricing__card--featured .pricing__plan-name,
.pricing__card--featured .pricing__amount,
.pricing__card--featured .pricing__period,
.pricing__card--featured .pricing__feature {
  color: var(--color-white);
}
.pricing__card--featured .pricing__feature strong {
  color: var(--color-white);
}

.pricing__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-purple);
  color: var(--color-white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--sp-4) var(--sp-12);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.pricing__plan-name {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-dark-50);
}

.pricing__price {
  display: flex;
  align-items: baseline;
  gap: var(--sp-4);
}

.pricing__amount {
  font-size: 52px;
  font-weight: 900;
  line-height: 1;
  color: var(--color-dark);
  letter-spacing: -0.02em;
}

.pricing__period {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-dark-50);
}

.pricing__features {
  display: flex;
  flex-direction: column;
  gap: var(--sp-12);
  flex: 1;
}

.pricing__feature {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  font-size: 15px;
  color: var(--color-dark);
}

.pricing__check {
  flex-shrink: 0;
}

.pricing__note {
  margin-top: var(--sp-32);
  font-size: 13px;
  color: var(--color-dark-50);
  max-width: 560px;
  line-height: 1.65;
}


/* Usage transparency */
.usage-transparency {
  display: flex;
  gap: var(--sp-32);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--sp-32);
}

.usage-item {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-dark-50);
  letter-spacing: 0.02em;
}

.usage-item__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-blue-main);
  flex-shrink: 0;
  opacity: 0.7;
}


/* ══════════════════════════════
   CLOSING CTA
══════════════════════════════ */
.closing {
  position: relative;
  overflow: hidden;
  text-align: center;
}

.closing__blobs {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.closing__blobs .blob--red    { top: -60px;  left: -60px; }
.closing__blobs .blob--purple { top: 40%;    right: 30%;  transform: translateY(-50%); }
.closing__blobs .blob--blue   { bottom: -40px; right: -40px; }

.closing__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-24);
}

.closing__headline {
  font-size: clamp(32px, 5.5vw, 58px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-dark);
}

.closing__body {
  font-size: 18px;
  color: var(--color-dark-50);
  max-width: 480px;
  line-height: 1.6;
}


/* ══════════════════════════════
   FOOTER
══════════════════════════════ */
.footer {
  padding-block: var(--sp-32);
  border-top: 1px solid var(--color-light-grey);
  background: var(--color-base-white);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-16);
  flex-wrap: wrap;
}

.footer__copy {
  font-size: 13px;
  color: var(--color-dark-50);
}

.footer__legal {
  display: flex;
  align-items: center;
  gap: var(--sp-24);
}

.footer__legal-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-dark-50);
  transition: color 0.15s;
}

.footer__legal-link:hover {
  color: var(--color-blue-main);
}


/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */

/* Tablet */
@media (max-width: 860px) {
  .demo__layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: var(--sp-24);
    max-width: 480px;
    margin-inline: auto;
  }

  .demo__arrow {
    transform: rotate(90deg);
    margin-inline: auto;
  }

  .how__steps {
    grid-template-columns: 1fr;
    gap: var(--sp-32);
  }

  .how__connector {
    width: 2px;
    height: 40px;
    background: repeating-linear-gradient(
      to bottom,
      var(--color-blue-main) 0,
      var(--color-blue-main) 6px,
      transparent    6px,
      transparent    12px
    );
    margin-top: 0;
    margin-left: 28px;
  }
}

/* Mobile */
@media (max-width: 600px) {
  :root {
    --sp-96: 64px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn--lg {
    width: 100%;
    justify-content: center;
  }

  .pricing__grid {
    grid-template-columns: 1fr;
  }

  .pain__grid {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}