/* ============================================================
   AuditPilot — Stylesheet
   ============================================================ */

/* ── Custom properties ───────────────────────────────────── */
:root {
  --primary:  #1a1a2e;
  --accent:   #e94560;
  --critical: #dc2626;
  --serious:  #ea580c;
  --moderate: #d97706;
  --minor:    #2563eb;

  --bg:       #ffffff;
  --surface:  #f9fafb;
  --border:   #e5e7eb;
  --text:     #111827;
  --muted:    #6b7280;
  --faint:    #9ca3af;

  --r:   12px;
  --r-lg: 20px;
  --shadow: 0 4px 20px rgba(0,0,0,.08);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.12);
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }

/* ── Navigation ──────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: rgba(26, 26, 46, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 64px; display: flex; align-items: center; justify-content: space-between;
}
.nav-brand { display: flex; align-items: center; gap: 10px; }
.nav-brand-icon {
  width: 36px; height: 36px; background: var(--accent); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800; color: #fff; letter-spacing: .5px;
}
.nav-brand-name { font-size: 20px; font-weight: 800; color: #fff; letter-spacing: -.5px; }
.nav-pill {
  font-size: 11px; font-weight: 600; color: var(--accent);
  border: 1px solid rgba(233,69,96,.4); padding: 3px 10px; border-radius: 20px; letter-spacing: .5px;
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(155deg, #1a1a2e 0%, #16213e 55%, #0f3460 100%);
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 100px 24px 80px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -30%; right: -15%;
  width: 900px; height: 900px;
  background: radial-gradient(circle, rgba(233,69,96,.07) 0%, transparent 65%);
  pointer-events: none;
}
.hero-inner {
  max-width: 780px; margin: 0 auto; text-align: center; position: relative; z-index: 1;
}
.hero-eyebrow {
  display: inline-block;
  background: rgba(233,69,96,.12); border: 1px solid rgba(233,69,96,.28);
  color: #f87171; font-size: 11px; font-weight: 600;
  letter-spacing: 1.8px; text-transform: uppercase;
  padding: 5px 14px; border-radius: 20px; margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(34px, 6vw, 62px);
  font-weight: 900; color: #fff; line-height: 1.1; letter-spacing: -2px; margin-bottom: 22px;
}
.hero-title-accent { color: var(--accent); }
.hero-subtitle {
  font-size: 17px; color: rgba(255,255,255,.58); line-height: 1.75; margin-bottom: 44px;
  max-width: 580px; margin-left: auto; margin-right: auto;
}

/* ── Scan card ───────────────────────────────────────────── */
.scan-card {
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-lg); padding: 36px;
  margin-bottom: 32px; backdrop-filter: blur(20px);
}
.input-row { display: flex; gap: 10px; margin-bottom: 10px; }
.input-wrap { position: relative; flex: 1; }
.input-icon {
  position: absolute; left: 13px; top: 50%; transform: translateY(-50%);
  color: rgba(255,255,255,.28); pointer-events: none;
}
.url-input {
  width: 100%; height: 52px;
  background: rgba(255,255,255,.07); border: 1.5px solid rgba(255,255,255,.12);
  border-radius: 10px; color: #fff; font-size: 15px;
  padding: 0 14px 0 42px; outline: none;
  transition: border-color .2s, background .2s;
}
.url-input::placeholder { color: rgba(255,255,255,.55); }
.url-input:focus { border-color: var(--accent); background: rgba(255,255,255,.1); }

.scan-btn {
  height: 52px; padding: 0 26px;
  background: var(--accent); color: #fff; border: none; border-radius: 10px;
  font-size: 15px; font-weight: 700; white-space: nowrap;
  transition: background .2s, transform .1s;
}
.scan-btn:hover { background: #d63651; }
.scan-btn:active { transform: scale(.98); }
.scan-btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }

.input-hint { font-size: 12px; color: rgba(255,255,255,.65); text-align: left; }
.error-box {
  margin-top: 12px; padding: 11px 16px;
  background: rgba(220,38,38,.14); border: 1px solid rgba(220,38,38,.3);
  border-radius: 8px; color: #fca5a5; font-size: 13px; text-align: left;
}

/* ── Loading state ───────────────────────────────────────── */
.state-loading { text-align: center; }
.spinner {
  width: 44px; height: 44px;
  border: 3px solid rgba(233,69,96,.18); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .75s linear infinite; margin: 0 auto 22px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-title { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.loading-msg { font-size: 13px; color: rgba(255,255,255,.65); margin-bottom: 26px; }
.progress-steps { display: flex; flex-direction: column; gap: 9px; max-width: 240px; margin: 0 auto; text-align: left; }
.p-step {
  display: flex; align-items: center; gap: 11px;
  font-size: 12px; color: rgba(255,255,255,.65);
  transition: color .3s;
}
.p-step.active { color: rgba(255,255,255,.9); }
.p-step.done   { color: #4ade80; }
.p-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,.18); flex-shrink: 0;
  transition: background .3s;
}
.p-step.active .p-dot { background: var(--accent); animation: pulse 1.2s infinite; }
.p-step.done   .p-dot { background: #4ade80; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.45} }

/* ── Success state ───────────────────────────────────────── */
.state-success { text-align: center; }
.success-icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(22,163,74,.15); display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px; color: #4ade80;
}
.success-title { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 4px; }
.success-subtitle { font-size: 13px; color: rgba(255,255,255,.65); margin-bottom: 20px; }

.score-strip {
  display: inline-flex; flex-wrap: wrap; justify-content: center; gap: 2px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: 10px; padding: 14px 20px; margin-bottom: 26px;
}
.strip-item { padding: 4px 16px; text-align: center; }
.strip-item strong { display: block; font-size: 22px; font-weight: 800; color: #fff; line-height: 1; }
.strip-item span { font-size: 10px; color: rgba(255,255,255,.65); text-transform: uppercase; letter-spacing: .8px; }

.success-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.download-btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 48px; padding: 0 22px;
  background: var(--accent); color: #fff; border-radius: 10px;
  font-size: 14px; font-weight: 700; transition: background .2s;
}
.download-btn:hover { background: #d63651; }
.reset-btn {
  height: 48px; padding: 0 22px;
  background: transparent; color: rgba(255,255,255,.7);
  border: 1px solid rgba(255,255,255,.14); border-radius: 10px;
  font-size: 13px; font-weight: 600; transition: border-color .2s, color .2s;
}
.reset-btn:hover { border-color: rgba(255,255,255,.3); color: #fff; }

/* ── Trust row ───────────────────────────────────────────── */
.trust-row {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 20px 28px;
}
.trust-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: rgba(255,255,255,.65);
}
.trust-item svg { color: #4ade80; flex-shrink: 0; }

/* ── Features section ────────────────────────────────────── */
.features { padding: 96px 24px; background: var(--surface); }
.features-inner { max-width: 1100px; margin: 0 auto; text-align: center; }
.features-title { font-size: 36px; font-weight: 800; color: var(--primary); letter-spacing: -1px; margin-bottom: 8px; }
.features-sub { font-size: 15px; color: var(--muted); margin-bottom: 56px; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 20px;
}
.f-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--r); padding: 28px;
  text-align: left; transition: box-shadow .2s, transform .2s;
}
.f-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.f-icon {
  width: 46px; height: 46px; border-radius: 10px;
  background: var(--c); color: var(--ic);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.f-title { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.f-text { font-size: 13px; color: var(--muted); line-height: 1.65; }

/* ── Footer ──────────────────────────────────────────────── */
.footer { background: var(--primary); padding: 36px 24px; }
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 14px;
}
.footer-brand { font-size: 18px; font-weight: 800; color: #fff; margin-bottom: 3px; }
.footer-tag { font-size: 11px; color: rgba(255,255,255,.65); }
.footer-note { font-size: 11px; color: rgba(255,255,255,.65); }

/* ── Utilities ───────────────────────────────────────────── */
[hidden] { display: none !important; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .input-row { flex-direction: column; }
  .scan-btn { width: 100%; height: 48px; }
  .scan-card { padding: 24px 20px; }
  .hero-subtitle { font-size: 15px; }
  .trust-row { flex-direction: column; align-items: center; gap: 10px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .success-actions { flex-direction: column; align-items: center; }
  .download-btn, .reset-btn { width: 100%; justify-content: center; }
  .score-strip { flex-direction: column; align-items: center; }
}