/* ==========================================================================
   ChipSync — shared stylesheet
   Theme: black + lavender, professional SaaS/app marketing style
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Fraunces:ital,wght@0,500;0,600;1,500&display=swap');

:root {
  /* Core palette (sampled from the ChipSync iOS app + current site) */
  --lavender: #9797c6;
  --lavender-light: #bcbce0;
  --lavender-dark: #6f6f9e;
  --lavender-glow: rgba(151, 151, 198, 0.28);

  --black: #050506;
  --surface-0: #0a0a0d;
  --surface-1: #131318;
  --surface-2: #1a1a21;
  --border: rgba(245, 245, 250, 0.09);
  --border-strong: rgba(151, 151, 198, 0.4);

  --text-primary: #f6f6f8;
  --text-secondary: rgba(246, 246, 248, 0.68);
  --text-muted: rgba(246, 246, 248, 0.45);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Fraunces', Georgia, serif;

  --container: 1160px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --shadow-lg: 0 30px 80px -20px rgba(0, 0, 0, 0.65);
}

/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--text-primary);
  font-family: var(--font-sans);
  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; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; }

::selection { background: var(--lavender); color: var(--black); }

/* ---------- Typography helpers ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lavender-light);
  background: rgba(151, 151, 198, 0.1);
  border: 1px solid var(--border-strong);
  padding: 7px 16px;
  border-radius: 999px;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--lavender);
  box-shadow: 0 0 8px 1px var(--lavender-glow);
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; letter-spacing: -0.01em; }

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.75rem); }
h3 { font-size: 1.3rem; font-weight: 600; }

.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section-head .eyebrow { margin-bottom: 18px; }
.section-head p { color: var(--text-secondary); margin-top: 16px; font-size: 1.05rem; }
.section-head.align-left { margin-left: 0; text-align: left; }

.text-lavender { color: var(--lavender-light); }
.text-muted { color: var(--text-muted); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn-primary {
  background: linear-gradient(180deg, var(--lavender-light), var(--lavender));
  color: #0b0b10;
  box-shadow: 0 10px 30px -8px var(--lavender-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -10px var(--lavender-glow); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--border-strong); background: rgba(151, 151, 198, 0.08); }
.btn-sm { padding: 10px 20px; font-size: 0.88rem; }
.btn svg { width: 18px; height: 18px; }

/* ---------- Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 5, 6, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; letter-spacing: -0.01em; }
.nav-logo { height: 28px; width: auto; flex-shrink: 0; }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  font-size: 0.95rem; font-weight: 500; color: var(--text-secondary);
  position: relative; padding: 4px 0; transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a.active { color: var(--text-primary); }
.nav-links a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px;
  background: var(--lavender); border-radius: 2px;
}
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none; width: 40px; height: 40px; align-items: center; justify-content: center;
  border-radius: 10px; border: 1px solid var(--border);
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after { display: none; }
.nav-toggle svg { width: 20px; height: 20px; }

.mobile-menu {
  display: none;
  position: fixed; inset: 76px 0 0 0; z-index: 99;
  background: rgba(5, 5, 6, 0.98);
  backdrop-filter: blur(10px);
  padding: 32px 24px;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu a {
  padding: 16px 4px; font-size: 1.15rem; font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.mobile-menu .btn { margin-top: 20px; width: 100%; }
body.menu-open .mobile-menu { display: flex; }
body.menu-open { overflow: hidden; }
/* backdrop-filter on .site-nav creates a containing block for fixed-position
   descendants, which traps .mobile-menu inside the ~76px nav bar instead of
   the full viewport. Drop the blur while the menu is open so it isn't. */
body.menu-open .site-nav { backdrop-filter: none; -webkit-backdrop-filter: none; }

/* ---------- Hero ---------- */
.hero {
  padding: 90px 0 40px;
  text-align: center;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  top: -220px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 700px;
  background: radial-gradient(closest-side, var(--lavender-glow), transparent 70%);
  filter: blur(10px);
  pointer-events: none;
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero .eyebrow { margin-bottom: 26px; }
.hero h1 { max-width: 760px; margin: 0 auto 22px; }
.hero .lede {
  max-width: 560px; margin: 0 auto 38px;
  color: var(--text-secondary); font-size: 1.15rem;
}
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-note { font-size: 0.85rem; color: var(--text-muted); }

/* ---------- Store badge ---------- */
.store-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: #0b0b10; color: #fff;
  border: 1px solid var(--border);
  padding: 11px 22px 11px 18px; border-radius: 12px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.store-badge:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.store-badge svg { width: 22px; height: 22px; color: var(--lavender-light); }
.store-badge .lines { text-align: left; line-height: 1.15; }
.store-badge .lines small { display: block; font-size: 0.62rem; color: var(--text-muted); letter-spacing: 0.04em; text-transform: uppercase; }
.store-badge .lines strong { font-size: 1.02rem; font-weight: 600; }

/* ---------- Hero art band (full-bleed photo banner, faded into the theme) ---------- */
.art-band {
  position: relative;
  margin-top: 26px;
  height: clamp(120px, 16vw, 220px);
  overflow: hidden;
  background: var(--black);
}
.art-band img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.5;
  filter: saturate(0.85);
}
.art-band::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, var(--black) 0%, transparent 35%, transparent 65%, var(--black) 100%),
    radial-gradient(65% 100% at 50% 50%, transparent 45%, rgba(5,5,6,0.6) 100%);
  pointer-events: none;
}

.avatar {
  width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem; font-weight: 700; color: #0b0b10;
  background: linear-gradient(160deg, var(--lavender-light), var(--lavender-dark));
}

/* ---------- Stats strip ---------- */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 44px 0;
}
.stats .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat b { display: block; font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.2rem); color: var(--lavender-light); font-weight: 600; }
.stat span { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; display: block; }

/* ---------- Feature grid ---------- */
.features { padding: 110px 0; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}
.feature-card:hover { border-color: var(--border-strong); transform: translateY(-4px); background: var(--surface-2); }
.feature-icon {
  width: 46px; height: 46px; border-radius: 13px;
  background: rgba(151,151,198,0.12);
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.feature-icon svg { width: 22px; height: 22px; color: var(--lavender-light); }
.feature-card h3 { margin-bottom: 10px; }
.feature-card p { color: var(--text-secondary); font-size: 0.95rem; }

/* ---------- Split / how it works ---------- */
.split { padding: 90px 0; }
.split .container {
  display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center;
}
.split .steps { display: flex; flex-direction: column; gap: 26px; margin-top: 30px; }
.step { display: flex; gap: 16px; }
.step-num {
  width: 34px; height: 34px; flex-shrink: 0; border-radius: 10px;
  background: rgba(151,151,198,0.1); border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem; color: var(--lavender-light);
}
.step h4 { font-family: var(--font-sans); font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.step p { color: var(--text-secondary); font-size: 0.92rem; }

.panel-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 8px;
  position: relative;
}
.panel-card::before {
  content: '';
  position: absolute; inset: -1px;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(160deg, var(--lavender-glow), transparent 60%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none;
}
.panel-card-inner {
  background: linear-gradient(165deg, #121218, #08080b 70%);
  border-radius: 20px;
  padding: 28px;
  min-height: 360px;
}
.chip-stack-row { display: flex; align-items: flex-end; gap: 10px; height: 140px; margin: 30px 0 10px; }
.chip-bar { flex: 1; border-radius: 8px 8px 0 0; background: linear-gradient(180deg, var(--lavender-light), var(--lavender-dark)); opacity: 0.85; }
.chip-bar:nth-child(1) { height: 40%; } .chip-bar:nth-child(2) { height: 70%; }
.chip-bar:nth-child(3) { height: 55%; } .chip-bar:nth-child(4) { height: 95%; }
.chip-bar:nth-child(5) { height: 30%; } .chip-bar:nth-child(6) { height: 65%; }
.legend-row { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--text-muted); }

/* ---------- Testimonials ---------- */
.testimonials { padding: 100px 0; background: var(--surface-0); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.testi-card {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 28px; display: flex; flex-direction: column; gap: 18px;
}
.testi-stars { color: var(--lavender-light); font-size: 0.9rem; letter-spacing: 2px; }
.testi-quote { color: var(--text-secondary); font-size: 0.95rem; flex: 1; }
.testi-person { display: flex; align-items: center; gap: 12px; }
.testi-person .avatar { width: 38px; height: 38px; font-size: 0.8rem; }
.testi-person .who b { display: block; font-size: 0.9rem; }
.testi-person .who span { font-size: 0.78rem; color: var(--text-muted); }

/* ---------- FAQ ---------- */
.faq { padding: 20px 0 110px; }
.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 22px 26px;
}
.faq-item h4 {
  font-family: var(--font-sans); font-size: 1rem; font-weight: 600;
  display: flex; align-items: center; gap: 12px;
}
.faq-item h4::before {
  content: 'Q'; flex-shrink: 0; width: 26px; height: 26px; border-radius: 8px;
  background: rgba(151,151,198,0.14); color: var(--lavender-light);
  font-size: 0.78rem; font-weight: 700; display: flex; align-items: center; justify-content: center;
}
.faq-item p { color: var(--text-secondary); font-size: 0.94rem; margin-top: 10px; padding-left: 38px; }

/* ---------- CTA banner ---------- */
.cta-banner {
  margin: 0 24px 110px;
  max-width: calc(var(--container) - 48px);
  margin-left: auto; margin-right: auto;
  border-radius: var(--radius-lg);
  padding: 70px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(165deg, #16161d, #08080a);
  border: 1px solid var(--border-strong);
}
.cta-banner .hero-glow { top: -260px; opacity: 0.8; }
.cta-banner h2 { position: relative; z-index: 1; margin-bottom: 14px; }
.cta-banner p { position: relative; z-index: 1; color: var(--text-secondary); max-width: 480px; margin: 0 auto 34px; }
.cta-banner .hero-actions { position: relative; z-index: 1; margin-bottom: 0; }

/* ---------- Footer ---------- */
.site-footer { padding: 64px 0 32px; border-top: 1px solid var(--border); }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 46px; }
.footer-logo { height: 26px; width: auto; }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; margin-top: 14px; max-width: 260px; }
.footer-social { display: flex; gap: 10px; margin-top: 22px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; transition: border-color 0.2s ease, color 0.2s ease;
  color: var(--text-secondary);
}
.footer-social a:hover { border-color: var(--border-strong); color: var(--lavender-light); }
.footer-social svg { width: 16px; height: 16px; }
.footer-col h5 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col a { font-size: 0.92rem; color: var(--text-secondary); transition: color 0.2s ease; }
.footer-col a:hover { color: var(--text-primary); }
.footer-bottom {
  padding-top: 28px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 0.82rem; color: var(--text-muted);
}

/* ---------- About page specific ---------- */
.page-hero { padding: 80px 0 60px; text-align: center; }
.page-hero .eyebrow { margin-bottom: 24px; }
.page-hero h1 { max-width: 680px; margin: 0 auto 20px; }
.page-hero p { max-width: 560px; margin: 0 auto; color: var(--text-secondary); font-size: 1.1rem; }

.story { padding: 40px 0 100px; }
.story .container { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.story p + p { margin-top: 16px; }
.story p { color: var(--text-secondary); }
.story-quote {
  background: var(--surface-1); border: 1px solid var(--border); border-left: 3px solid var(--lavender);
  border-radius: var(--radius-sm); padding: 22px 24px; margin-top: 26px; font-size: 0.98rem; color: var(--text-primary);
  font-family: var(--font-display); font-style: italic;
}
.story-art { position: relative; }
.dot-grid {
  position: absolute; inset: -30px; z-index: 0; opacity: 0.5;
  background-image: radial-gradient(rgba(151,151,198,0.35) 1px, transparent 1.5px);
  background-size: 18px 18px;
  -webkit-mask-image: radial-gradient(circle at center, black 30%, transparent 72%);
  mask-image: radial-gradient(circle at center, black 30%, transparent 72%);
}

.values { padding: 20px 0 110px; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.team { padding: 20px 0 110px; }
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 900px; margin: 0 auto; }
.team-card { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 26px 20px; text-align: center; transition: transform 0.25s ease, border-color 0.25s ease; }
.team-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.team-avatar {
  width: 68px; height: 68px; border-radius: 50%; margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: linear-gradient(160deg, var(--lavender-light), var(--lavender-dark));
}
.team-avatar img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
/* Per-photo framing so every face reads at the same scale in the circle */
/* team-vince.jpg is now pre-cropped to a square, so no object-position/transform hacks needed */
.team-avatar img.photo-nikhil { object-position: 8% 22%; }
.team-avatar img.photo-willis { object-position: center 22%; transform: scale(1.6); }
.team-card h4 { font-family: var(--font-sans); font-size: 1rem; margin-bottom: 3px; }
.team-card span { font-size: 0.82rem; color: var(--text-muted); }

/* ---------- Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(1, 1fr); }
  .team-grid { grid-template-columns: repeat(1, 1fr); max-width: 380px; }
  .testi-grid { grid-template-columns: repeat(1, 1fr); }
  .split .container, .story .container { grid-template-columns: 1fr; gap: 46px; }
  .story-art { order: -1; }
  .footer-top { grid-template-columns: 1fr 1fr; row-gap: 34px; }
  .stats .container { grid-template-columns: repeat(2, 1fr); row-gap: 26px; }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-actions .btn.hide-mobile { display: none; }
  .hero { padding: 60px 0 20px; }
  .features, .split, .testimonials, .team, .values { padding: 64px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 48px 24px; margin-bottom: 70px; }
  .footer-top { grid-template-columns: 1fr; }
}