/* ══════════════════════════════════════════════════════════
   SKEWAPEX — Shared Design System (Dark Gradient)
   Used by: landing, pricing, login, signup, legal pages
   NOT used by: dashboard (index.html — self-contained)
   ══════════════════════════════════════════════════════════ */

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  --bg-start: #0C0E1A;
  --bg-mid:   #111832;
  --bg-end:   #0A1628;
  --card:     rgba(17, 24, 50, 0.8);
  --card-bdr: rgba(99, 102, 241, 0.15);
  --card-bdr2:rgba(99, 102, 241, 0.28);
  --indigo:   #818CF8;
  --indigo2:  #6366F1;
  --violet:   #8B5CF6;
  --text:     #E2E8F0;
  --text2:    #94A3B8;
  --dim:      #64748B;
  --green:    #4ADE80;
  --yellow:   #FBBF24;
  --red:      #F87171;
  --r:        12px;
  --mono:     "JetBrains Mono", "Fira Code", monospace;
  --sans:     -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body { min-height: 100%; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: linear-gradient(160deg, var(--bg-start), var(--bg-mid), var(--bg-end));
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

/* ── Subtle grid overlay (matches dashboard feel) ───────── */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(99,102,241,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,.03) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4 { font-weight: 800; line-height: 1.1; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; }
p  { color: var(--text2); max-width: 60ch; }
a  { color: var(--indigo); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ─────────────────────────────────────────────── */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}
.section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
}
.section-label {
  font: 700 1.1rem var(--mono);
  letter-spacing: 3.5px;
  text-transform: uppercase;
  color: var(--indigo);
  margin-bottom: 16px;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 28px;
  border: none;
  border-radius: 8px;
  font: 600 0.95rem var(--sans);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary {
  background: linear-gradient(135deg, var(--indigo2), var(--violet));
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}
.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(99, 102, 241, 0.45);
}
.btn-secondary {
  background: transparent;
  border: 1px solid var(--card-bdr2);
  color: var(--text2);
}
.btn-secondary:hover {
  border-color: var(--indigo);
  color: var(--text);
}

/* ── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--card-bdr);
  border-radius: var(--r);
  padding: 28px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.card:hover {
  border-color: var(--card-bdr2);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.1);
}

/* ── Navbar ─────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background 0.3s, backdrop-filter 0.3s, padding 0.3s;
}
.navbar.scrolled {
  background: rgba(12, 14, 26, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 10px 0;
  border-bottom: 1px solid var(--card-bdr);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  font: 700 2.2rem var(--mono);
  letter-spacing: 3px;
  background: linear-gradient(135deg, #818CF8 0%, #A78BFA 40%, #C084FC 70%, #818CF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  filter: drop-shadow(0 0 14px rgba(129, 140, 248, 0.35));
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--text2);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links .btn { padding: 8px 20px; font-size: 0.85rem; }

/* ── i18n toggle ────────────────────────────────────────── */
.i18n-toggle {
  display: flex;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--card-bdr);
  border-radius: 6px;
  overflow: hidden;
  font: 500 0.78rem var(--mono);
}
.i18n-toggle button {
  padding: 4px 10px;
  background: none;
  border: none;
  color: var(--dim);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.i18n-toggle button.active {
  background: var(--indigo2);
  color: #fff;
}

/* ── Mobile hamburger ───────────────────────────────────── */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text2);
  margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Mobile drawer ──────────────────────────────────────── */
.nav-drawer {
  display: none;
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(12, 14, 26, 0.95);
  backdrop-filter: blur(16px);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  font-size: 1.2rem;
  color: var(--text);
}

/* ── Footer ─────────────────────────────────────────────── */
.footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--card-bdr);
  padding: 48px 0 24px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}
/* Landing page footer has 4 columns (brand + Product + Legal + Contact) */
.landing-footer-grid {
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
}
.footer-brand {
  font: 700 0.95rem var(--mono);
  letter-spacing: 1.5px;
  color: var(--indigo);
  margin-bottom: 8px;
}
.footer-tagline {
  font-size: 0.85rem;
  color: var(--dim);
  max-width: 28ch;
}
.footer-col h4 {
  font: 600 0.75rem var(--mono);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 12px;
}
.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: var(--text2);
  margin-bottom: 8px;
}
.footer-col a:hover { color: var(--text); }
.footer-disclaimer {
  border-top: 1px solid rgba(99, 102, 241, 0.08);
  padding-top: 20px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--dim);
  line-height: 1.7;
}

/* ── Form elements ──────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  color: var(--text2);
  margin-bottom: 6px;
}
.form-input {
  width: 100%;
  padding: 12px 14px;
  background: rgba(12, 14, 26, 0.6);
  border: 1px solid var(--card-bdr);
  border-radius: 8px;
  color: var(--text);
  font: 400 0.95rem var(--sans);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input:focus {
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.form-input::placeholder { color: var(--dim); }
.form-status {
  min-height: 1.4rem;
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--text2);
}
.form-status.ok  { color: var(--green); }
.form-status.err { color: var(--red); }

/* ── Checkbox ───────────────────────────────────────────── */
.form-check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 12px;
}
.form-check input[type="checkbox"] {
  width: 18px; height: 18px;
  margin-top: 2px;
  accent-color: var(--indigo2);
  flex-shrink: 0;
}
.form-check p {
  font-size: 0.84rem;
  color: var(--text2);
  line-height: 1.5;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .section { padding: 48px 0; }
}
@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .btn { padding: 10px 20px; font-size: 0.88rem; }
}

/* ═══ Landing · Screenshot Showcase (2026-04-21) ══════════════════════════ */
.showcase-stack {
  display: flex;
  flex-direction: column;
  gap: 72px;
  margin-top: 48px;
}
.showcase-item {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}
.showcase-figure {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.showcase-figure:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}
/* Keyboard focus ring — figures are tabindex="0" role="button" so
   Tab reaches them. Indigo outline matches the landing brand accent. */
.showcase-figure:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 3px;
}
.showcase-figure img {
  width: 100%;
  height: auto;
  display: block;
}
.showcase-copy h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 12px;
}
.showcase-watch {
  font-size: 1rem;
  color: var(--text);
  margin: 0 0 6px;
}
.showcase-decide {
  font-size: 0.95rem;
  color: var(--dim);
  font-style: italic;
  margin: 0;
}
/* Mobile collapse — aligned with the project-wide 768px breakpoint
   (Round 62 Task 2, 2026-04-22 PM; was 900px). In the 769-899px band
   the showcase now stays 2-column — tested and the 1.5fr/1fr caption
   column still reads cleanly at ~300px width on desktop-ish viewports. */
@media (max-width: 768px) {
  .showcase-stack { gap: 48px; }
  .showcase-item { grid-template-columns: 1fr; gap: 20px; }
}

/* ═══ Landing · Footer Premia whisper (2026-04-21) ═══════════════════════ */
.footer-premia-whisper {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
}
.footer-premia-whisper span {
  font-size: 0.75rem;
  color: var(--dim);
  line-height: 1.45;
}