/* ===========================================================================
   Astrosync — website design system
   Deep-cosmic direction mirrored from the app: near-black indigo void,
   aurora violet + celestial cyan glows, solar gold emphasis, Space Grotesk.
   =========================================================================== */

:root {
  --void: #06050e;
  --void-2: #0c0a1a;
  --surface-1: rgba(146, 134, 222, 0.06);
  --surface-2: rgba(146, 134, 222, 0.1);
  --hairline: rgba(176, 168, 240, 0.14);
  --hairline-strong: rgba(176, 168, 240, 0.28);

  --aurora: #966eff;
  --aurora-rgb: 150, 110, 255;
  --celestial: #6ee2e8;
  --celestial-rgb: 110, 226, 232;
  --gold: #f5c882;

  --text-hi: #efedf7;
  --text-mid: rgba(239, 237, 247, 0.74);
  --text-lo: rgba(239, 237, 247, 0.5);

  --grad-aurora: linear-gradient(135deg, #a07bff 0%, #7b9dff 45%, #7fe6e6 100%);

  --font-display: "Space Grotesk", "SF Pro Display", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  --maxw: 1120px;
  --r-lg: 22px;
  --r-md: 16px;
  --sp-section: clamp(4rem, 3rem + 6vw, 8rem);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0;
  font-weight: 600;
}

/* ---- Atmosphere ---------------------------------------------------------- */
.starfield {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1.5px 1.5px at 20% 30%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1.5px 1.5px at 68% 12%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 40% 70%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1px 1px at 85% 55%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1.5px 1.5px at 12% 82%, rgba(255, 255, 255, 0.55), transparent),
    radial-gradient(1px 1px at 92% 88%, rgba(255, 255, 255, 0.45), transparent),
    radial-gradient(1px 1px at 55% 40%, rgba(255, 255, 255, 0.4), transparent);
  background-repeat: no-repeat;
  opacity: 0.9;
}

.aurora {
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  pointer-events: none;
}
.aurora--1 {
  width: 46vw;
  height: 46vw;
  top: -14vw;
  left: -10vw;
  background: radial-gradient(circle, rgba(var(--aurora-rgb), 0.55), transparent 65%);
}
.aurora--2 {
  width: 40vw;
  height: 40vw;
  top: 30vw;
  right: -14vw;
  background: radial-gradient(circle, rgba(var(--celestial-rgb), 0.4), transparent 65%);
}

/* ---- Shared ------------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--celestial);
  margin: 0 0 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--celestial);
  box-shadow: 0 0 10px 1px rgba(var(--celestial-rgb), 0.8);
}
.grad {
  background: var(--grad-aurora);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn {
  --pad: 0.7rem 1.15rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: var(--pad);
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background 0.25s var(--ease);
  white-space: nowrap;
}
.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.88rem;
  background: var(--surface-2);
  border-color: var(--hairline);
}
.btn--sm:hover {
  background: var(--surface-1);
  border-color: var(--hairline-strong);
  transform: translateY(-1px);
}
.btn--play {
  background: var(--grad-aurora);
  color: #0b0817;
  padding: 0.6rem 1.3rem;
  box-shadow: 0 8px 30px -8px rgba(var(--aurora-rgb), 0.7);
}
.btn--play svg {
  color: #0b0817;
}
.btn--play span {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
  text-align: left;
}
.btn--play small {
  font-size: 0.6rem;
  font-weight: 500;
  opacity: 0.75;
  letter-spacing: 0.04em;
}
.btn--play strong {
  font-size: 1.02rem;
  font-weight: 700;
}
.btn--play:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px -8px rgba(var(--aurora-rgb), 0.85);
}
.btn--lg {
  padding: 0.85rem 1.8rem;
}
.btn--ghost {
  border-color: var(--hairline-strong);
  color: var(--text-hi);
}
.btn--ghost:hover {
  background: var(--surface-1);
  transform: translateY(-2px);
}
.btn:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--celestial);
  outline-offset: 3px;
}

/* ---- Header ------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(6, 5, 14, 0.85), rgba(6, 5, 14, 0.4));
  border-bottom: 1px solid var(--hairline);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
}
.brand__mark {
  border-radius: 9px;
}
.site-nav {
  display: flex;
  gap: 1.6rem;
  margin-left: auto;
  font-size: 0.95rem;
  color: var(--text-mid);
}
.site-nav a {
  position: relative;
  transition: color 0.2s;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1.5px;
  background: var(--celestial);
  transition: width 0.25s var(--ease);
}
.site-nav a:hover {
  color: var(--text-hi);
}
.site-nav a:hover::after {
  width: 100%;
}

/* ---- Hero --------------------------------------------------------------- */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 2rem + 6vw, 6rem) 1.5rem 4rem;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}
.hero__copy h1 {
  font-size: clamp(2.5rem, 1.6rem + 4.4vw, 4.6rem);
  font-weight: 700;
  margin-bottom: 1.2rem;
}
.hero__sub {
  color: var(--text-mid);
  font-size: clamp(1.02rem, 0.98rem + 0.3vw, 1.2rem);
  max-width: 34rem;
  margin: 0 0 2rem;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
}
.hero__badges {
  list-style: none;
  padding: 0;
  margin: 2.2rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  color: var(--text-lo);
  font-size: 0.88rem;
}
.hero__badges li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.hero__badges li::before {
  content: "✦";
  color: var(--gold);
  font-size: 0.8rem;
}

.hero__visual {
  position: relative;
  min-height: 560px;
  display: grid;
  place-items: center;
}
.phone {
  position: absolute;
  border-radius: 30px;
  padding: 6px;
  background: linear-gradient(160deg, rgba(var(--aurora-rgb), 0.5), rgba(var(--celestial-rgb), 0.25));
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.9);
}
.phone img {
  border-radius: 24px;
  display: block;
}
.phone--front {
  transform: translate(-14%, 4%) rotate(-5deg);
  z-index: 2;
}
.phone--back {
  transform: translate(26%, -8%) rotate(6deg);
  opacity: 0.85;
  z-index: 1;
}

/* ---- Sections ----------------------------------------------------------- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--sp-section) 1.5rem 0;
}
.section__head {
  max-width: 40rem;
  margin-bottom: 3rem;
}
.section__head h2 {
  font-size: clamp(1.9rem, 1.4rem + 2.2vw, 3rem);
}

/* ---- Bento / features --------------------------------------------------- */
.bento {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}
.card {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 1.8rem;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease),
    background 0.3s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--hairline-strong);
  background: var(--surface-2);
}
.card h3 {
  font-size: 1.3rem;
  margin: 0.9rem 0 0.5rem;
}
.card p {
  color: var(--text-mid);
  margin: 0;
  font-size: 0.98rem;
}
.glyph {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid var(--hairline);
  color: var(--celestial);
  font-size: 1.35rem;
}
.card--wide {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
  align-items: center;
  overflow: hidden;
}
.card--wide .card__text {
  min-width: 0;
}
.card--reverse {
  direction: rtl;
}
.card--reverse .card__text {
  direction: ltr;
}
.card__shot {
  border-radius: 16px;
  border: 1px solid var(--hairline);
  justify-self: center;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.8);
}

/* ---- Steps -------------------------------------------------------------- */
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  counter-reset: step;
}
.step {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 1.8rem;
  position: relative;
}
.step__n {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 700;
  background: var(--grad-aurora);
  color: #0b0817;
  margin-bottom: 1rem;
}
.step h3 {
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}
.step p {
  color: var(--text-mid);
  margin: 0;
  font-size: 0.95rem;
}

/* ---- Gallery ------------------------------------------------------------ */
.gallery {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 1.2rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.gallery__item {
  flex: 0 0 auto;
  scroll-snap-align: center;
  border-radius: 20px;
  padding: 5px;
  background: linear-gradient(160deg, rgba(var(--aurora-rgb), 0.35), rgba(var(--celestial-rgb), 0.18));
}
.gallery__item img {
  border-radius: 16px;
}

/* ---- FAQ ---------------------------------------------------------------- */
.faq {
  max-width: 46rem;
  display: grid;
  gap: 0.7rem;
}
.faq__item {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: 0 1.3rem;
  transition: border-color 0.25s;
}
.faq__item[open] {
  border-color: var(--hairline-strong);
}
.faq__item summary {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 1.15rem 0;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq__item summary::-webkit-details-marker {
  display: none;
}
.faq__item summary::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--celestial);
  transition: transform 0.25s var(--ease);
  line-height: 1;
}
.faq__item[open] summary::after {
  transform: rotate(45deg);
}
.faq__item p {
  color: var(--text-mid);
  margin: 0 0 1.2rem;
  font-size: 0.97rem;
}
.faq__item a {
  color: var(--celestial);
  text-decoration: underline;
}

/* ---- Final CTA ---------------------------------------------------------- */
.cta {
  max-width: var(--maxw);
  margin: var(--sp-section) auto 0;
  padding: 0 1.5rem;
}
.cta__inner {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: clamp(3rem, 2rem + 5vw, 5rem) 1.5rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline-strong);
  background:
    radial-gradient(120% 140% at 50% 0%, rgba(var(--aurora-rgb), 0.22), transparent 60%),
    var(--surface-1);
}
.cta__inner h2 {
  font-size: clamp(1.7rem, 1.3rem + 2vw, 2.6rem);
  max-width: 24ch;
  margin: 0 auto 2rem;
}
.cta__note {
  color: var(--text-lo);
  font-size: 0.9rem;
  margin: 1.2rem 0 0;
}
.cta .btn--play {
  margin: 0 auto;
}

/* ---- Footer ------------------------------------------------------------- */
.site-footer {
  max-width: var(--maxw);
  margin: var(--sp-section) auto 0;
  padding: 2.5rem 1.5rem;
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.2rem 2rem;
}
.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 700;
}
.site-footer__links {
  display: flex;
  gap: 1.5rem;
  color: var(--text-mid);
  font-size: 0.92rem;
}
.site-footer__links a:hover {
  color: var(--text-hi);
}
.site-footer__fine {
  width: 100%;
  color: var(--text-lo);
  font-size: 0.82rem;
  margin: 0.5rem 0 0;
}

/* ---- Responsive --------------------------------------------------------- */
@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-bottom: 2rem;
  }
  .hero__copy {
    order: 1;
  }
  .eyebrow,
  .hero__cta,
  .hero__badges {
    justify-content: center;
  }
  .hero__sub {
    margin-inline: auto;
  }
  .hero__visual {
    order: 2;
    min-height: 500px;
    margin-top: 1rem;
  }
  .bento {
    grid-template-columns: 1fr;
  }
  .card--wide {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }
  .card--wide .card__shot {
    max-width: 220px;
  }
  .card--reverse {
    direction: ltr;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .site-nav {
    display: none;
  }
}

@media (max-width: 420px) {
  .phone img {
    width: 240px;
    height: auto;
  }
  .hero__visual {
    min-height: 420px;
  }
}

/* ---- Motion / a11y ------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}