/* PhotoCocoon — Apple-inspired minimal. System font stack, generous whitespace, restraint. */
:root {
  --bg: #f5f5f7;
  --card: #ffffff;
  --ink: #1d1d1f;
  --ink-2: #6e6e73;
  --hair: #d2d2d7;
  --accent: #0071e3;
  --accent-ink: #ffffff;
  --ok: #1d8a4b;
  --radius: 18px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; }
a { color: inherit; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(20px, 5vw, 48px);
  background: rgba(245, 245, 247, 0.82);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.brand { font-weight: 600; font-size: 19px; text-decoration: none; letter-spacing: -0.01em; }
.brand-mark { font-size: 20px; }
.nav-links { display: flex; gap: clamp(14px, 3vw, 32px); align-items: center; font-size: 15px; }
.nav-links a { text-decoration: none; color: var(--ink-2); transition: color 0.15s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { color: var(--accent) !important; font-weight: 500; }
@media (max-width: 640px) { .nav-links a:not(.nav-cta) { display: none; } }

/* Hero */
.hero {
  text-align: center;
  padding: clamp(72px, 14vw, 140px) 24px clamp(56px, 10vw, 96px);
}
.hero h1 {
  font-size: clamp(44px, 7.5vw, 88px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin: 0 auto 20px;
  max-width: 14ch;
}
.lede {
  font-size: clamp(19px, 2.6vw, 26px);
  color: var(--ink-2);
  max-width: 34em;
  margin: 0 auto 28px;
  font-weight: 400;
}
.cta {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  text-decoration: none;
  font-size: 17px;
  font-weight: 500;
  padding: 14px 32px;
  border-radius: 980px;
  transition: transform 0.15s, box-shadow 0.15s;
}
.cta:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0, 113, 227, 0.35); }
.micro { color: var(--ink-2); font-size: 13px; margin-top: 14px; }

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  padding: 0 clamp(16px, 4vw, 48px) 16px;
  max-width: 1080px;
  margin: 0 auto;
}
.feature {
  background: var(--card);
  border-radius: var(--radius);
  padding: 36px 30px;
  box-shadow: var(--shadow);
}
.feature .icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 12px;
  font-size: 22px;
  color: var(--accent);
  background: rgba(0, 113, 227, 0.09);
  margin-bottom: 16px;
}
.feature h2 { font-size: 21px; letter-spacing: -0.01em; margin-bottom: 8px; }
.feature p { color: var(--ink-2); font-size: 15px; }

/* How */
.how { max-width: 720px; margin: clamp(64px, 10vw, 110px) auto 0; padding: 0 24px; }
.how h2, .pricing-coming h2, .privacy h2, .join h2 {
  text-align: center;
  font-size: clamp(30px, 4.5vw, 44px);
  letter-spacing: -0.02em;
  margin-bottom: 36px;
}
.steps { list-style: none; padding: 0; display: grid; gap: 14px; }
.steps li {
  display: flex; gap: 18px; align-items: flex-start;
  background: var(--card);
  border-radius: var(--radius);
  padding: 22px 26px;
  box-shadow: var(--shadow);
  font-size: 16px;
  color: var(--ink-2);
}
.steps strong { color: var(--ink); }
.steps span {
  flex: none;
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  margin-top: 2px;
}

/* Pricing */
.pricing-coming { max-width: 640px; margin: clamp(64px, 10vw, 110px) auto 0; padding: 0 24px; text-align: center; color: var(--ink-2); font-size: 17px; }

/* Privacy */
.privacy {
  max-width: 680px;
  margin: clamp(64px, 10vw, 110px) auto 0;
  padding: 0 24px;
}
.privacy ul { list-style: none; padding: 0; display: grid; gap: 10px; }
.privacy li {
  background: var(--card);
  border-radius: 14px;
  padding: 16px 20px;
  font-size: 15px;
  color: var(--ink-2);
  box-shadow: var(--shadow);
}

/* Join */
.join { text-align: center; padding: clamp(72px, 12vw, 130px) 24px; }
.waitlist-form {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 520px;
  margin: 0 auto;
}
.waitlist-form input {
  flex: 1 1 260px;
  font-size: 17px;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--hair);
  background: var(--card);
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  font-family: inherit;
}
.waitlist-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.15); }
.waitlist-form button {
  font-size: 17px;
  font-weight: 500;
  padding: 14px 28px;
  border-radius: 980px;
  border: none;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}
.waitlist-form button:hover { box-shadow: 0 6px 20px rgba(0, 113, 227, 0.35); transform: translateY(-1px); }
.waitlist-form button:disabled { opacity: 0.5; cursor: default; transform: none; box-shadow: none; }
.waitlist-msg { margin-top: 14px; font-size: 15px; min-height: 24px; color: var(--ink-2); }
.waitlist-msg.ok { color: var(--ok); font-weight: 500; }
.waitlist-msg.err { color: #c22; }

/* Footer */
.footer {
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding: 28px 24px 44px;
  text-align: center;
  color: var(--ink-2);
  font-size: 13px;
}
.footer a { color: var(--accent); text-decoration: none; }
.fineprint { margin-top: 8px; opacity: 0.75; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000;
    --card: #1c1c1e;
    --ink: #f5f5f7;
    --ink-2: #a1a1a6;
    --hair: #38383a;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  }
  .nav { background: rgba(0, 0, 0, 0.72); border-bottom-color: rgba(255, 255, 255, 0.08); }
  .steps span { background: var(--accent); }
}