/*
  Headshot Studio marketing site — shared stylesheet.
  Dark theme matching the iOS app: black background, white text, blue accent.
  No external fonts, scripts, or trackers — the app's privacy promise applies
  to this site too. Everything here is self-contained and system-font based.
*/

:root {
  --bg: #000000;
  --surface: #0e0e10;
  --surface-2: #17171a;
  --border: rgba(255, 255, 255, 0.10);
  --text: #ffffff;
  --text-secondary: rgba(235, 235, 245, 0.60);
  --accent: #0a84ff;        /* iOS dark-mode system blue */
  --accent-hover: #339cff;
  --radius: 16px;
  --maxw: 1080px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

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

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

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

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand {
  color: var(--text);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand:hover {
  color: var(--text);
}
.nav-links a {
  margin-left: 22px;
  color: var(--text-secondary);
  font-size: 15px;
}
.nav-links a:hover {
  color: var(--text);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  padding: 14px 26px;
  border-radius: 999px;
  font-size: 16px;
  transition: background 0.15s ease;
}
.btn:hover {
  background: var(--accent-hover);
  color: #fff;
}
.btn-store {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.btn-store small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  opacity: 0.85;
  line-height: 1;
}
.btn-store strong {
  font-size: 17px;
  line-height: 1.1;
}

/* ---------- Sections ---------- */
section {
  padding: 72px 0;
  border-bottom: 1px solid var(--border);
}
section:last-of-type {
  border-bottom: none;
}
.section-title {
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}
.section-lead {
  color: var(--text-secondary);
  font-size: 18px;
  max-width: 640px;
  margin: 0 0 40px;
}

/* ---------- Hero ---------- */
.hero {
  padding: 84px 0 72px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(34px, 7vw, 60px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 auto 20px;
  max-width: 14ch;
}
.hero p.subhead {
  color: var(--text-secondary);
  font-size: clamp(18px, 2.4vw, 21px);
  max-width: 34ch;
  margin: 0 auto 32px;
}
.hero .cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
}
.hero-note {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 18px;
}
.hero-samples {
  display: flex;
  justify-content: center;
  gap: 0;
  margin: 44px auto 0;
}
.hero-samples img {
  width: 168px;
  height: 210px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);
}
.hero-samples img:first-child {
  transform: rotate(-4deg);
  margin-right: -18px;
}
.hero-samples img:last-child {
  transform: rotate(4deg);
  margin-left: -18px;
}
.sample-caption {
  text-align: center;
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 22px;
}

/* ---------- Steps grid ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.step .step-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent);
}
.step .step-icon svg {
  width: 24px;
  height: 24px;
}
.step h3 {
  margin: 0 0 6px;
  font-size: 19px;
}
.step p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 15px;
}

/* ---------- Feature / promise cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.promise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.promise-grid h3 {
  margin: 0 0 8px;
  font-size: 18px;
}
.promise-grid p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 15px;
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.price-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
}
.price-card.featured {
  border-color: var(--accent);
}
.price-card .price {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 4px 0 4px;
}
.price-card .price small {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
}
.price-card h3 {
  margin: 0;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}
.price-card ul {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}
.price-card li {
  padding: 7px 0 7px 26px;
  position: relative;
  color: var(--text-secondary);
  font-size: 15px;
}
.price-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

/* ---------- FAQ ---------- */
.faq details {
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
  background: var(--surface);
  overflow: hidden;
}
.faq summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 16px;
  list-style: none;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font-weight: 700;
}
.faq details[open] summary::after {
  content: "\2212";
}
.faq details p {
  margin: 0;
  padding: 0 22px 20px;
  color: var(--text-secondary);
  font-size: 15px;
}

/* ---------- Prose (privacy / support long text) ---------- */
.prose {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 0;
}
.prose h1 {
  font-size: clamp(28px, 5vw, 38px);
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}
.prose .effective {
  color: var(--text-secondary);
  font-size: 15px;
  margin: 0 0 32px;
}
.prose h2 {
  font-size: 21px;
  margin: 40px 0 10px;
}
.prose p,
.prose li {
  color: rgba(235, 235, 245, 0.78);
  font-size: 16px;
}
.prose ul {
  padding-left: 22px;
}
.prose strong {
  color: var(--text);
}
.prose .placeholder {
  color: #ffd60a;
  font-weight: 600;
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 44px 0;
  color: var(--text-secondary);
  font-size: 14px;
  text-align: center;
}
.site-footer a {
  margin: 0 10px;
}
.site-footer .footer-links {
  margin-bottom: 12px;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  section {
    padding: 52px 0;
  }
  .hero {
    padding: 56px 0 48px;
  }
  .hero-samples img {
    width: 132px;
    height: 165px;
  }
  .nav-links a {
    margin-left: 14px;
    font-size: 14px;
  }
}

/* Small print under the pricing cards (currency/storefront note). */
.pricing-note {
  margin-top: 20px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
}