/* =========================================================================
   Da List — landing styles (pure CSS, no JS, no build step).
   System font stack keeps the page fast with zero network font requests.
   ========================================================================= */

:root {
  --bg: #ffffff;
  --bg-alt: #f6f7fb;
  --fg: #0b0f17;
  --fg-muted: #56607a;
  --border: #e6e8f0;
  --card: #ffffff;
  --brand: #4f46e5;
  --brand-2: #7c3aed;
  --accent: #06b6d4;
  --brand-fg: #ffffff;
  --shadow: 0 18px 50px -20px rgba(79, 70, 229, 0.35);
  --shadow-soft: 0 10px 30px -16px rgba(15, 23, 42, 0.25);
  --radius: 16px;
  --radius-lg: 26px;
  --maxw: 70rem;
  --space: clamp(1rem, 4vw, 2rem);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0f17;
    --bg-alt: #0f141f;
    --fg: #f1f5f9;
    --fg-muted: #98a3bb;
    --border: #1e2533;
    --card: #121826;
    --brand: #818cf8;
    --brand-2: #a78bfa;
    --accent: #22d3ee;
    --brand-fg: #0b0f17;
    --shadow: 0 18px 50px -20px rgba(0, 0, 0, 0.6);
    --shadow-soft: 0 12px 34px -18px rgba(0, 0, 0, 0.7);
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation: none !important;
    transition: none !important;
  }
}

h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.025em;
}

a {
  color: var(--brand);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

.grad {
  background: linear-gradient(120deg, var(--brand), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Accessibility -------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--brand);
  color: var(--brand-fg);
  padding: 0.5rem 1rem;
  border-radius: 0 0 var(--radius) 0;
  z-index: 100;
}
.skip-link:focus {
  left: 0;
}
:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 2px;
}

/* Layout helpers ------------------------------------------------------- */
.section,
.hero,
.cta,
.nav {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--space);
}
.section {
  padding-block: clamp(3.5rem, 9vw, 6rem);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--brand);
  margin: 0 0 1rem;
}
.eyebrow--center {
  text-align: center;
}

/* Header --------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-block: 0.85rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  color: var(--fg);
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.brand:hover {
  text-decoration: none;
}
.brand__mark {
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 8px;
  background: linear-gradient(140deg, var(--brand), var(--brand-2));
  box-shadow: 0 6px 16px -6px var(--brand);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 2.5px;
  padding: 0 5px;
}
.brand__mark span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.92);
}
.brand__mark span:nth-child(2) {
  width: 70%;
}
.brand__mark span:nth-child(3) {
  width: 85%;
}

.nav__links {
  display: flex;
  gap: 1.4rem;
  list-style: none;
  margin: 0 0 0 auto;
  padding: 0;
}
.nav__links a {
  color: var(--fg-muted);
  font-weight: 600;
  font-size: 0.95rem;
}
.nav__links a:hover {
  color: var(--fg);
  text-decoration: none;
}
.nav__cta {
  flex-shrink: 0;
}

@media (max-width: 720px) {
  .nav__links {
    display: none;
  }
  .nav__cta {
    margin-left: auto;
  }
}

/* Buttons -------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.3rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}
.btn:hover {
  text-decoration: none;
}
.btn:active {
  transform: translateY(1px);
}
.btn--primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  box-shadow: var(--shadow);
}
.btn--primary:hover {
  box-shadow: 0 22px 60px -22px var(--brand);
  transform: translateY(-1px);
}
.btn--ghost {
  background: var(--card);
  color: var(--fg);
  border-color: var(--border);
}
.btn--ghost:hover {
  border-color: var(--brand);
  color: var(--brand);
}
.btn--lg {
  padding: 0.92rem 1.7rem;
  font-size: 1.02rem;
}

/* Hero ----------------------------------------------------------------- */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  padding-block: clamp(3rem, 8vw, 6rem);
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  margin: 0 0 1.1rem;
}
.lede {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 34rem;
  margin: 0 0 2rem;
}
.hero__actions {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}
.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.4rem;
  list-style: none;
  margin: 1.8rem 0 0;
  padding: 0;
  color: var(--fg-muted);
  font-weight: 600;
  font-size: 0.92rem;
}

/* Hero app preview ----------------------------------------------------- */
.hero__art {
  position: relative;
  display: flex;
  justify-content: center;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(46px);
  opacity: 0.5;
  z-index: 0;
}
.blob--a {
  width: 17rem;
  height: 17rem;
  background: var(--brand);
  top: -2rem;
  left: -1rem;
}
.blob--b {
  width: 14rem;
  height: 14rem;
  background: var(--accent);
  bottom: -2rem;
  right: -1rem;
}

.phone {
  position: relative;
  z-index: 1;
  width: min(20rem, 78vw);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 2.4rem;
  padding: 0.85rem;
  box-shadow: var(--shadow-soft);
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.phone__notch {
  width: 38%;
  height: 0.5rem;
  background: var(--border);
  border-radius: 999px;
  margin: 0.1rem auto 0.7rem;
}
.phone__screen {
  background: var(--bg-alt);
  border-radius: 1.7rem;
  padding: 1rem;
}
.app-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
}
.app-head strong {
  font-size: 0.98rem;
}
.app-emoji {
  margin-right: 0.35rem;
}
.avatars {
  display: flex;
}
.av,
.who {
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 800;
  color: #fff;
  border: 2px solid var(--card);
}
.avatars .av {
  margin-left: -0.5rem;
}
.avatars .av:first-child {
  margin-left: 0;
}
.av--1, .who--1 { background: #4f46e5; }
.av--2, .who--2 { background: #06b6d4; }
.av--3, .who--3 { background: #f59e0b; }

.app-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}
.app-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.6rem 0.7rem;
  font-size: 0.9rem;
  font-weight: 600;
}
.app-list .who {
  margin-left: auto;
  width: 1.35rem;
  height: 1.35rem;
  font-size: 0.62rem;
}
.app-list .check {
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 6px;
  border: 2px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: #fff;
  flex-shrink: 0;
}
.app-list .done {
  color: var(--fg-muted);
}
.app-list .done .check {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border-color: transparent;
}
.app-list .done {
  text-decoration: line-through;
  text-decoration-color: color-mix(in srgb, var(--fg-muted) 60%, transparent);
}
.app-add {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.8rem;
  padding: 0.6rem 0.7rem;
  border-radius: 12px;
  border: 1px dashed var(--border);
  color: var(--fg-muted);
  font-weight: 700;
  font-size: 0.88rem;
}
.app-add__plus {
  font-size: 1.1rem;
  color: var(--brand);
}

@media (max-width: 880px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: clamp(2rem, 6vw, 3.5rem);
  }
  .lede {
    margin-inline: auto;
  }
  .hero__actions,
  .hero__badges {
    justify-content: center;
  }
  .hero__art {
    order: -1;
    margin-bottom: 1rem;
  }
}

/* Sections ------------------------------------------------------------- */
.section h2 {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  margin: 0 auto 2.4rem;
  text-align: center;
}
.section--alt {
  background: var(--bg-alt);
  max-width: none;
  border-block: 1px solid var(--border);
}
.section--alt > * {
  max-width: var(--maxw);
  margin-inline: auto;
}

/* Feature grid --------------------------------------------------------- */
.grid {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  display: grid;
  gap: 1.1rem;
  grid-template-columns: repeat(auto-fit, minmax(15.5rem, 1fr));
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
  border-color: color-mix(in srgb, var(--brand) 40%, var(--border));
}
.card__icon,
.use__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 14px;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, color-mix(in srgb, var(--brand) 16%, transparent), color-mix(in srgb, var(--accent) 16%, transparent));
}
.card h3,
.use h3 {
  margin: 0 0 0.45rem;
  font-size: 1.15rem;
}
.card p,
.use p {
  margin: 0;
  color: var(--fg-muted);
}

/* Use cases ------------------------------------------------------------ */
.grid--uses {
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}
.use {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
}

/* Steps ---------------------------------------------------------------- */
.steps {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.1rem;
}
.steps li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.3rem 1.4rem;
}
.steps__num {
  flex-shrink: 0;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 8px 18px -8px var(--brand);
}
.steps strong {
  display: block;
  margin-bottom: 0.2rem;
}
.steps p {
  margin: 0;
  color: var(--fg-muted);
}

/* FAQ ------------------------------------------------------------------ */
.faq {
  max-width: 44rem;
  margin: 0 auto;
  display: grid;
  gap: 0.75rem;
}
details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.05rem 1.3rem;
  background: var(--card);
}
summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
summary::-webkit-details-marker {
  display: none;
}
summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--brand);
  transition: transform 0.2s ease;
}
details[open] summary::after {
  transform: rotate(45deg);
}
details p {
  margin: 0.8rem 0 0;
  color: var(--fg-muted);
}

/* CTA ------------------------------------------------------------------ */
.cta {
  text-align: center;
  padding-block: clamp(3.5rem, 9vw, 6rem);
}
.cta h2 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  margin: 0 0 0.8rem;
}
.cta p {
  color: var(--fg-muted);
  margin: 0 auto 2rem;
  max-width: 34rem;
}
.cta__actions {
  display: flex;
  gap: 0.9rem;
  justify-content: center;
  flex-wrap: wrap;
}
.btn--store-web {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  box-shadow: var(--shadow);
}
.btn--store-web:hover {
  box-shadow: 0 22px 60px -22px var(--brand);
  opacity: 1;
}
.btn--store {
  background: var(--fg);
  color: var(--bg);
  padding: 0.7rem 1.3rem;
  border-radius: 14px;
  gap: 0.7rem;
}
.btn--store:hover {
  text-decoration: none;
  opacity: 0.9;
  transform: translateY(-1px);
}
.store__icon {
  font-size: 1.4rem;
  line-height: 1;
}
.store__txt {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.1;
  text-align: left;
}
.store__txt small {
  font-size: 0.62rem;
  font-weight: 600;
  opacity: 0.85;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.store__txt strong {
  font-size: 1.05rem;
}

/* Footer --------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 2.5rem var(--space);
}
.site-footer__inner {
  max-width: var(--maxw);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
}
.brand--footer {
  font-size: 1rem;
}
.footer-links {
  display: flex;
  gap: 1.3rem;
  flex-wrap: wrap;
}
.footer-links a {
  color: var(--fg-muted);
  font-weight: 600;
  font-size: 0.92rem;
}
.footer-links a:hover {
  color: var(--brand);
  text-decoration: none;
}
.copy {
  margin: 0 0 0 auto;
  color: var(--fg-muted);
  font-size: 0.88rem;
}
@media (max-width: 640px) {
  .copy {
    margin-left: 0;
    width: 100%;
  }
}