/* ------------------------------------------------------------------ *
 * Solo Apps Studio — landing page styles
 * ------------------------------------------------------------------ */
:root {
  --bg: #0b1020;
  --bg-2: #0e1530;
  --panel: #141c38;
  --panel-2: #18224a;
  --text: #e7ecff;
  --muted: #9aa6cc;
  --line: rgba(255, 255, 255, 0.08);
  --brand-a: #6366f1;
  --brand-b: #22d3ee;
  --brand-c: #e879f9;
  --radius: 18px;
  --maxw: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(99, 102, 241, 0.25), transparent 60%),
    radial-gradient(900px 500px at 0% 10%, rgba(34, 211, 238, 0.12), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--brand-a); color: #fff; padding: 10px 16px; border-radius: 0 0 10px 0; z-index: 100;
}
.skip:focus { left: 0; }

/* Header / nav */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(11, 16, 32, 0.6);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; font-family: "Space Grotesk", sans-serif; }
.brand-mark {
  width: 26px; height: 26px; border-radius: 8px;
  background: conic-gradient(from 200deg, var(--brand-a), var(--brand-b), var(--brand-c), var(--brand-a));
  box-shadow: 0 0 24px rgba(99, 102, 241, 0.6);
}
.brand-name { font-weight: 700; letter-spacing: 0.2px; }
.brand-name.small { font-size: 0.95rem; }
.nav-links { display: flex; gap: 26px; font-weight: 500; color: var(--muted); }
.nav-links a:hover { color: var(--text); }

/* Hero */
.hero { padding: 84px 24px 56px; }
.eyebrow {
  text-transform: uppercase; letter-spacing: 2px; font-size: 0.78rem;
  color: var(--brand-b); font-weight: 600; margin: 0 0 18px;
}
.hero-title {
  font-family: "Space Grotesk", sans-serif; font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4.3rem); line-height: 1.05; margin: 0 0 22px;
  letter-spacing: -1px;
}
.grad {
  background: linear-gradient(100deg, var(--brand-a), var(--brand-b) 55%, var(--brand-c));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: 1.15rem; color: var(--muted); max-width: 620px; margin: 0 0 30px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 46px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 24px; border-radius: 999px; font-weight: 600; font-size: 0.98rem;
  border: 1px solid transparent; transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(100deg, var(--brand-a), var(--brand-c));
  color: #fff; box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}
.btn-ghost { border-color: var(--line); color: var(--text); background: rgba(255, 255, 255, 0.03); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.07); }

.hero-stats { display: flex; gap: 42px; flex-wrap: wrap; }
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats strong { font-family: "Space Grotesk", sans-serif; font-size: 1.8rem; }
.hero-stats span { color: var(--muted); font-size: 0.9rem; }

/* Sections */
.section { padding: 56px 24px; }
.section-head { margin-bottom: 30px; }
.section-head h2 {
  font-family: "Space Grotesk", sans-serif; font-size: clamp(1.6rem, 3.5vw, 2.3rem);
  margin: 0 0 6px; letter-spacing: -0.5px;
}
.section-head p { color: var(--muted); margin: 0; }

/* Grid + cards */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.grid-tight { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }

.card {
  --accent: var(--brand-a);
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}
.card-art {
  height: 180px; overflow: hidden;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 18%, var(--panel-2)), var(--panel));
  border-bottom: 1px solid var(--line);
}
.card-art img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.4s ease;
}
.card:hover .card-art img { transform: scale(1.04); }
.card-art-sm { height: 140px; }
.card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card-body h3 { font-family: "Space Grotesk", sans-serif; margin: 0; font-size: 1.25rem; }
.card-sm .card-body h3 { font-size: 1.1rem; }
.card-body p { margin: 0; color: var(--muted); font-size: 0.96rem; }

.tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.6px; font-weight: 600;
  color: color-mix(in srgb, var(--accent) 80%, white);
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  padding: 3px 9px; border-radius: 999px;
}

.platforms {
  font-size: 0.82rem !important; color: var(--muted); letter-spacing: 0.2px;
  margin-top: -2px !important;
}

/* "How to run" disclosure */
.howto {
  margin-top: auto;
  border: 1px solid var(--line); border-radius: 12px;
  background: rgba(255, 255, 255, 0.025);
  overflow: hidden;
}
.howto > summary {
  cursor: pointer; list-style: none; user-select: none;
  padding: 11px 14px; font-weight: 600; font-size: 0.9rem;
  color: color-mix(in srgb, var(--accent) 85%, white);
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.howto > summary::-webkit-details-marker { display: none; }
.howto > summary::after {
  content: "+"; font-size: 1.1rem; line-height: 1; color: var(--muted);
  transition: transform 0.2s ease;
}
.howto[open] > summary::after { content: "–"; }
.howto > summary:hover { color: #fff; }
.howto-body { padding: 2px 16px 16px; color: var(--muted); font-size: 0.9rem; }
.howto-body p { margin: 8px 0; }
.howto-body ol { margin: 8px 0; padding-left: 20px; }
.howto-body li { margin: 6px 0; }
.howto-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.82rem;
  background: rgba(0, 0, 0, 0.35); border: 1px solid var(--line);
  padding: 2px 6px; border-radius: 6px; color: var(--text);
  display: inline-block; margin-top: 2px; word-break: break-all;
}

.kicker {
  font-family: "Space Grotesk", sans-serif; font-size: 0.62em; font-weight: 600;
  color: var(--brand-b); vertical-align: middle; margin-right: 10px;
  border: 1px solid var(--line); border-radius: 8px; padding: 2px 8px;
}

.card-links { margin-top: auto; padding-top: 8px; display: flex; flex-wrap: wrap; gap: 10px 20px; align-items: center; }
.store {
  display: inline-flex; align-items: center; font-weight: 600; font-size: 0.92rem;
  color: color-mix(in srgb, var(--accent) 85%, white);
}
.store:hover { text-decoration: underline; }

.status {
  margin-top: auto; align-self: flex-start; font-size: 0.8rem; font-weight: 600;
  color: var(--muted); border: 1px dashed var(--line); padding: 4px 10px; border-radius: 999px;
}

/* About */
.about {
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 38px clamp(24px, 5vw, 56px); max-width: 820px;
}
.about h2 { font-family: "Space Grotesk", sans-serif; margin: 0 0 14px; }
.about p { color: var(--muted); margin: 0 0 14px; }
.about strong { color: var(--text); }

/* Legal / privacy page */
.legal { max-width: 760px; padding-top: 48px; padding-bottom: 64px; }
.legal .back { color: var(--muted); font-size: 0.9rem; }
.legal .back:hover { color: var(--text); }
.legal h1 {
  font-family: "Space Grotesk", sans-serif; font-size: clamp(2rem, 5vw, 2.8rem);
  margin: 18px 0 4px; letter-spacing: -0.5px;
}
.legal .updated { color: var(--muted); font-size: 0.88rem; margin: 0 0 28px; }
.legal h2 {
  font-family: "Space Grotesk", sans-serif; font-size: 1.25rem;
  margin: 32px 0 8px; color: var(--text);
}
.legal p { color: var(--muted); margin: 0 0 14px; }
.legal a { color: color-mix(in srgb, var(--brand-b) 85%, white); }
.legal a:hover { text-decoration: underline; }

/* Contact / newsletter */
.contact-card {
  background:
    radial-gradient(600px 200px at 80% 0%, color-mix(in srgb, var(--brand-a) 22%, transparent), transparent 70%),
    linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px clamp(24px, 5vw, 56px); max-width: 820px;
}
.contact-copy h2 { font-family: "Space Grotesk", sans-serif; margin: 0 0 8px; }
.contact-copy p { color: var(--muted); margin: 0 0 22px; }
.newsletter { margin: 0; }
.nl-row { display: flex; gap: 12px; flex-wrap: wrap; }
.nl-row input {
  flex: 1; min-width: 220px;
  background: rgba(0, 0, 0, 0.28); border: 1px solid var(--line); border-radius: 999px;
  color: var(--text); font: inherit; padding: 13px 20px; outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.nl-row input::placeholder { color: #6b76a0; }
.nl-row input:focus {
  border-color: var(--brand-a);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-a) 30%, transparent);
}
.nl-row .btn { white-space: nowrap; }

/* Contact form */
.contact-divider { border: 0; border-top: 1px solid var(--line); margin: 32px 0 28px; }
#contact-form textarea {
  width: 100%; margin-top: 12px; resize: vertical; min-height: 110px;
  background: rgba(0, 0, 0, 0.28); border: 1px solid var(--line); border-radius: 16px;
  color: var(--text); font: inherit; padding: 14px 18px; outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
#contact-form input[type="email"] {
  width: 100%;
  background: rgba(0, 0, 0, 0.28); border: 1px solid var(--line); border-radius: 999px;
  color: var(--text); font: inherit; padding: 13px 20px; outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
#contact-form input::placeholder, #contact-form textarea::placeholder { color: #6b76a0; }
#contact-form input:focus, #contact-form textarea:focus {
  border-color: var(--brand-a);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-a) 30%, transparent);
}
.cf-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 14px; }
.cf-actions .nl-msg { margin: 0; }

.nl-msg { margin: 12px 2px 0; font-size: 0.9rem; min-height: 1.2em; }
.nl-msg.ok { color: #6ee7b7; }
.nl-msg.err { color: #fca5a5; }
.contact-alt { color: var(--muted); font-size: 0.92rem; margin: 22px 0 0; }
.contact-alt a { color: color-mix(in srgb, var(--brand-b) 85%, white); }
.contact-alt a:hover { text-decoration: underline; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); margin-top: 40px; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-top: 26px; padding-bottom: 40px; flex-wrap: wrap;
}
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: var(--muted); font-size: 0.9rem; }
.footer-links a:hover { color: var(--text); }
.muted { color: var(--muted); font-size: 0.88rem; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

@media (max-width: 640px) {
  .nav-links { gap: 16px; font-size: 0.92rem; }
  .nav-links a:nth-child(2) { display: none; }
  .hero { padding-top: 56px; }
  .hero-stats { gap: 28px; }
}