/* ================================================
   Eluna — Brand Site Styles
   ================================================ */

/* ── Tokens ───────────────────────────────────── */
:root {
  --c-bg:     #090b1a;
  --c-bg2:    #0c1024;
  --c-surf:   #121733;
  --c-surf2:  #1a2146;
  --c-accent: #a88cff;
  --c-accd:   #7a67eb;
  --c-ink:    #f6f7ff;
  --c-ink2:   #d5d9fb;
  --c-ink3:   #b3b8e4;
  --c-ink4:   #8d94c9;
  --c-border: #2a315d;
  --c-moon:   #f5f0df;
  --c-panel:  rgba(18, 23, 51, 0.58);
  --line:     rgba(42, 49, 93, 0.65);
  --shadow:   0 32px 80px rgba(0, 0, 0, 0.52);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  position: relative;
  color: var(--c-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  line-height: 1.65;
  background:
    radial-gradient(ellipse 75% 50% at 82% -8%,  rgba(122, 103, 235, 0.25) 0%, transparent 55%),
    radial-gradient(ellipse 55% 35% at 12%  6%,  rgba(168, 140, 255, 0.11) 0%, transparent 50%),
    linear-gradient(160deg, #090b1a 0%, #0c1024 50%, #090b1a 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Starfield — fixed behind all content */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.65) 1px, transparent 1px),
    radial-gradient(circle, rgba(168, 140, 255, 0.55) 1.5px, transparent 1.5px),
    radial-gradient(circle, rgba(245, 240, 223, 0.50) 1px, transparent 1px),
    radial-gradient(circle, rgba(255, 255, 255, 0.40) 1px, transparent 1px),
    radial-gradient(circle, rgba(168, 140, 255, 0.30) 2px,  transparent 2px),
    radial-gradient(circle, rgba(255, 255, 255, 0.35) 1px, transparent 1px),
    radial-gradient(circle, rgba(245, 240, 223, 0.42) 1px, transparent 1px),
    radial-gradient(circle, rgba(255, 255, 255, 0.50) 1.5px, transparent 1.5px);
  background-size:
    230px 190px,
    410px 320px,
    180px 260px,
    340px 280px,
    520px 430px,
    290px 220px,
    460px 350px,
    380px 300px;
  background-position:
    40px  80px,
    160px 90px,
    80px  140px,
    200px 40px,
    300px 250px,
    130px 170px,
    350px 120px,
    220px 280px;
  animation: starGlow 10s ease-in-out infinite alternate;
}

@keyframes starGlow {
  from { opacity: 0.65; }
  to   { opacity: 1; }
}

/* ── Links ────────────────────────────────────── */
a {
  color: var(--c-moon);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--c-accent);
}

/* ── Typography ───────────────────────────────── */
p {
  margin: 0;
  color: var(--c-ink3);
}

h1, h2, h3 {
  margin: 0;
  color: var(--c-ink);
  font-family: 'Poppins', ui-sans-serif, sans-serif;
  line-height: 1.1;
  font-weight: 500;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.8rem, 7.5vw, 6.4rem);
  max-width: 10ch;
  font-weight: 400;
  line-height: 1.06;
}

h2 {
  font-size: clamp(1.9rem, 3.8vw, 3.3rem);
  font-weight: 500;
}

h3 {
  font-size: 1.15rem;
  font-weight: 600;
}

/* ── Site Header ──────────────────────────────── */
.site-header,
.site-footer {
  width: min(1140px, calc(100% - 48px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-header {
  padding: 28px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--c-ink);
  font-family: 'Poppins', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.brand-mark {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--c-moon);
  animation: moonPulse 5s ease-in-out infinite;
}

@keyframes moonPulse {
  0%, 100% {
    box-shadow:
      inset -7px 0 0 0 var(--c-accent),
      0 0 18px rgba(168, 140, 255, 0.42),
      0 0 38px rgba(245, 240, 223, 0.12);
  }
  50% {
    box-shadow:
      inset -7px 0 0 0 var(--c-accd),
      0 0 28px rgba(168, 140, 255, 0.68),
      0 0 55px rgba(245, 240, 223, 0.20);
  }
}

.site-nav,
.site-footer div {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a,
.site-footer a {
  color: var(--c-ink4);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--c-ink);
}

/* ── Hero ─────────────────────────────────────── */
.hero {
  width: min(1140px, calc(100% - 48px));
  min-height: calc(100vh - 96px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  align-items: center;
  gap: 48px;
  padding: 40px 0 80px;
}

.hero-copy,
.page-hero {
  display: grid;
  gap: 28px;
}

.eyebrow {
  color: var(--c-accent);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero-text {
  max-width: 580px;
  font-size: clamp(1rem, 1.9vw, 1.28rem);
  color: var(--c-ink3);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ── Buttons ──────────────────────────────────── */
.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 28px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.button.primary {
  background: var(--c-moon);
  color: var(--c-bg);
}

.button.primary:hover {
  background: #fffaf5;
  color: var(--c-bg);
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(245, 240, 223, 0.28);
}

.button.secondary {
  border: 1px solid rgba(168, 140, 255, 0.22);
  color: var(--c-ink2);
  background: rgba(168, 140, 255, 0.05);
}

.button.secondary:hover {
  border-color: rgba(168, 140, 255, 0.45);
  background: rgba(168, 140, 255, 0.10);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(168, 140, 255, 0.12);
}

/* ── Phone Mockup ─────────────────────────────── */
.phone-wrap {
  position: relative;
  min-height: 560px;
  display: grid;
  place-items: center;
  animation: phoneFloat 7s ease-in-out infinite;
}

@keyframes phoneFloat {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-16px); }
}

.moon-orbit {
  position: absolute;
  width: min(84vw, 420px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 36% 32%, rgba(255, 250, 240, 0.92) 0 6.5%, rgba(168, 140, 255, 0.55) 7% 11.5%, transparent 12%),
    radial-gradient(circle at 50% 50%, rgba(168, 140, 255, 0.12), transparent 60%);
  border: 1px solid rgba(168, 140, 255, 0.10);
  box-shadow: 0 0 80px rgba(168, 140, 255, 0.06);
}

.phone {
  position: relative;
  z-index: 1;
  width: min(76vw, 290px);
  min-height: 590px;
  border: 1px solid rgba(168, 140, 255, 0.18);
  border-radius: 44px;
  background: linear-gradient(165deg, #1c2444 0%, #0d1528 100%);
  box-shadow:
    var(--shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
  padding: 16px;
}

.phone-top {
  width: 80px;
  height: 5px;
  margin: 0 auto 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
}

.app-screen {
  min-height: 520px;
  border-radius: 30px;
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 16px;
  background:
    linear-gradient(180deg, rgba(168, 140, 255, 0.18) 0%, transparent 32%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.app-screen h2 {
  font-size: 1.85rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
}

.screen-date,
.tagline {
  color: var(--c-moon);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* ── Waveform ─────────────────────────────────── */
.waveform {
  height: 56px;
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  align-items: center;
  gap: 6px;
}

.waveform span {
  width: 100%;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(245, 240, 223, 0.9), rgba(168, 140, 255, 0.7));
}

.waveform span:nth-child(1), .waveform span:nth-child(9) { height: 20px; }
.waveform span:nth-child(2), .waveform span:nth-child(8) { height: 36px; }
.waveform span:nth-child(3), .waveform span:nth-child(7) { height: 50px; }
.waveform span:nth-child(4), .waveform span:nth-child(6) { height: 30px; }
.waveform span:nth-child(5)                              { height: 56px; }

/* ── Content Sections ─────────────────────────── */
.section,
.feature-grid,
.privacy-band,
.app-store,
.page {
  width: min(1140px, calc(100% - 48px));
  margin: 0 auto;
}

.section,
.privacy-band {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: start;
  padding: 96px 0;
  border-top: 1px solid var(--line);
}

.section p,
.privacy-band p {
  font-size: 1.05rem;
  line-height: 1.78;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 0 0 96px;
}

/* ── Cards ────────────────────────────────────── */
.feature,
.support-card,
.faq article {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--c-panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.20);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.feature:hover {
  transform: translateY(-5px);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.30), 0 0 0 1px rgba(168, 140, 255, 0.18);
  border-color: rgba(168, 140, 255, 0.22);
}

.faq article:hover {
  border-color: rgba(168, 140, 255, 0.20);
}

.feature {
  min-height: 180px;
  padding: 28px;
  display: grid;
  align-content: end;
  gap: 10px;
}

.feature-icon {
  color: var(--c-accent);
  font-size: 1.5rem;
  line-height: 1;
  margin-bottom: 4px;
  display: block;
}

/* ── Privacy Band ─────────────────────────────── */
.privacy-band {
  padding: 72px 0;
}

/* ── App Store ────────────────────────────────── */
.app-store {
  padding: 96px 0 128px;
  border-top: 1px solid var(--line);
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 20px;
}

.app-store h2 {
  max-width: 16ch;
}

.app-store p:not(.eyebrow) {
  max-width: 580px;
}

.store-badge {
  width: 220px;
  min-height: 66px;
  margin-top: 20px;
  border-radius: 14px;
  border: 1px solid rgba(245, 240, 223, 0.18);
  background: rgba(5, 8, 18, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--c-ink);
  display: grid;
  place-content: center;
  line-height: 1.3;
  transition: border-color 0.22s ease, box-shadow 0.22s ease;
  cursor: default;
}

.store-badge:hover {
  border-color: rgba(168, 140, 255, 0.38);
  box-shadow: 0 0 28px rgba(168, 140, 255, 0.10);
}

.store-badge span {
  color: var(--c-ink4);
  font-size: 0.75rem;
}

.store-badge strong {
  font-size: 1.45rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
}

/* ── Footer ───────────────────────────────────── */
.site-footer {
  padding: 30px 0 44px;
  border-top: 1px solid var(--line);
}

.site-footer p {
  font-size: 0.88rem;
  color: var(--c-ink4);
  margin: 0;
}

/* ── Inner Pages ──────────────────────────────── */
.page {
  padding: 72px 0 112px;
}

.page-hero {
  max-width: 760px;
  padding-bottom: 60px;
  display: grid;
  gap: 20px;
}

.page-hero h1 {
  max-width: 14ch;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
}

.page-hero p {
  font-size: 1.1rem;
  color: var(--c-ink3);
  line-height: 1.75;
}

.policy,
.faq {
  max-width: 800px;
  display: grid;
  gap: 24px;
}

.policy h2,
.faq h2,
.support-card h2 {
  margin-top: 20px;
  font-size: 1.45rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
}

.policy h3 {
  margin: 10px 0 0;
  font-size: 1rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  color: var(--c-ink2);
}

.policy p,
.faq p,
.support-card p {
  font-size: 0.97rem;
  color: var(--c-ink3);
  line-height: 1.78;
}

.policy ul {
  margin: -4px 0 4px;
  padding-left: 22px;
  color: var(--c-ink3);
}

.policy li {
  line-height: 1.75;
  font-size: 0.97rem;
}

.policy li + li {
  margin-top: 10px;
}

.support-card {
  max-width: 800px;
  padding: 28px 32px;
  display: grid;
  gap: 12px;
  margin-bottom: 48px;
  border-radius: 14px;
}

.faq article {
  padding: 26px 28px;
  display: grid;
  gap: 10px;
}

/* ── Responsive ───────────────────────────────── */
@media (max-width: 820px) {
  .site-header,
  .site-footer,
  .hero,
  .section,
  .privacy-band,
  .feature-grid,
  .app-store,
  .page {
    width: calc(100% - 32px);
  }

  .site-header {
    align-items: flex-start;
  }

  .site-nav {
    gap: 18px;
  }

  .hero,
  .section,
  .privacy-band {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 24px;
    gap: 36px;
  }

  .phone-wrap {
    min-height: 490px;
  }

  .phone {
    min-height: 480px;
  }

  .app-screen {
    min-height: 410px;
  }

  .section,
  .privacy-band {
    gap: 28px;
    padding: 60px 0;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    padding-bottom: 60px;
    gap: 12px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

@media (max-width: 520px) {
  h1 {
    font-size: 2.6rem;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .hero-actions {
    flex-direction: column;
  }

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

  .phone-wrap {
    min-height: 420px;
  }

  .phone {
    width: min(100%, 280px);
    min-height: 440px;
    border-radius: 36px;
    padding: 14px;
  }

  .app-screen {
    min-height: 370px;
    padding: 20px 16px;
  }

  .store-badge {
    width: 100%;
    max-width: 260px;
  }
}