/* ─── Mobinex Marketing / About Page ─── */

:root {
  --m-bg: #050508;
  --m-bg-2: #0a0a14;
  --m-surface: rgba(255,255,255,0.04);
  --m-border: rgba(255,255,255,0.1);
  --m-text: #f1f5f9;
  --m-muted: #94a3b8;
  --m-accent: #3b82f6;
  --m-accent-2: #6366f1;
  --m-cyan: #22d3ee;
  --m-green: #22c55e;
  --m-radius: 16px;
  --m-nav-h: 64px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.about-page {
  font-family: 'DM Sans', sans-serif;
  background: var(--m-bg);
  color: var(--m-text);
  margin: 0;
  overflow-x: hidden;
}

/* ─── Nav ─── */
.about-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--m-nav-h);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: rgba(5, 5, 8, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--m-border);
}

.about-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--m-text);
}

.about-nav-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--m-accent), var(--m-accent-2));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #fff;
}

.about-nav-name {
  font-family: 'Rajdhani', sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 3px;
}

.about-nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.about-nav-links a {
  color: var(--m-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.about-nav-links a:hover { color: var(--m-text); }

.about-nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.about-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform 0.15s, box-shadow 0.2s;
}

.about-btn:hover { transform: translateY(-1px); }

.about-btn--ghost {
  background: transparent;
  color: var(--m-text);
  border: 1px solid var(--m-border);
}

.about-btn--ghost:hover {
  border-color: var(--m-accent);
  color: #fff;
}

.about-btn--primary {
  background: linear-gradient(135deg, var(--m-accent), var(--m-accent-2));
  color: #fff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
}

.about-btn--primary:hover {
  box-shadow: 0 8px 28px rgba(59, 130, 246, 0.45);
}

.about-btn--lg {
  padding: 14px 28px;
  font-size: 16px;
  border-radius: 12px;
}

.about-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--m-text);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
}

/* ─── Hero ─── */
.about-hero {
  position: relative;
  padding: calc(var(--m-nav-h) + 48px) 24px 80px;
  max-width: 1120px;
  margin: 0 auto;
  text-align: center;
  overflow: hidden;
}

.about-hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.25) 0%, transparent 70%);
  pointer-events: none;
}

.about-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--m-cyan);
  margin-bottom: 24px;
}

.about-hero h1 {
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.about-hero h1 span {
  background: linear-gradient(135deg, var(--m-cyan), var(--m-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-hero-sub {
  font-size: clamp(16px, 2.5vw, 19px);
  color: var(--m-muted);
  line-height: 1.65;
  max-width: 580px;
  margin: 0 auto 36px;
}

.about-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 48px;
}

.about-trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px 40px;
  font-size: 13px;
  color: var(--m-muted);
}

.about-trust span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.about-trust i { color: var(--m-green); }

/* ─── Sections ─── */
.about-section {
  padding: 72px 24px;
  max-width: 1120px;
  margin: 0 auto;
}

.about-section--alt {
  background: var(--m-bg-2);
  max-width: none;
  border-top: 1px solid var(--m-border);
  border-bottom: 1px solid var(--m-border);
}

.about-section--alt .about-section-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.about-section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--m-accent);
  font-weight: 700;
  margin-bottom: 12px;
  text-align: center;
}

.about-section-title {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  text-align: center;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.about-section-desc {
  text-align: center;
  color: var(--m-muted);
  max-width: 560px;
  margin: 0 auto 48px;
  line-height: 1.6;
  font-size: 15px;
}

/* ─── Feature grid ─── */
.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.about-feature-card {
  background: var(--m-surface);
  border: 1px solid var(--m-border);
  border-radius: var(--m-radius);
  padding: 28px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.about-feature-card:hover {
  border-color: rgba(59,130,246,0.35);
  box-shadow: 0 0 40px rgba(59,130,246,0.08);
}

.about-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}

.about-feature-card h3 {
  font-size: 18px;
  margin: 0 0 8px;
}

.about-feature-card p {
  font-size: 14px;
  color: var(--m-muted);
  line-height: 1.55;
  margin: 0;
}

/* ─── App mockup screens ─── */
.about-screens {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.about-screen {
  background: #0f172a;
  border: 1px solid var(--m-border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
}

.about-screen-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(0,0,0,0.3);
  border-bottom: 1px solid var(--m-border);
}

.about-screen-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #334155;
}

.about-screen-dot:nth-child(1) { background: #ef4444; }
.about-screen-dot:nth-child(2) { background: #f59e0b; }
.about-screen-dot:nth-child(3) { background: #22c55e; }

.about-screen-title {
  margin-left: 12px;
  font-size: 12px;
  color: var(--m-muted);
  font-weight: 500;
}

.about-screen-body {
  padding: 20px;
  min-height: 200px;
}

/* Mock UI elements inside screens */
.mock-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.mock-stat {
  background: rgba(255,255,255,0.05);
  border-radius: 10px;
  padding: 12px;
}

.mock-stat-label { font-size: 10px; color: var(--m-muted); }
.mock-stat-value { font-size: 18px; font-weight: 700; font-family: 'Rajdhani', sans-serif; color: var(--m-cyan); }

.mock-chart {
  margin-top: 14px;
  height: 80px;
  background: linear-gradient(180deg, rgba(59,130,246,0.2) 0%, transparent 100%);
  border-radius: 8px;
  border: 1px solid rgba(59,130,246,0.2);
}

.mock-bill-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--m-border);
  font-size: 12px;
}

.mock-bill-total {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--m-border);
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  color: var(--m-green);
}

.mock-product {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 12px;
}

.mock-stock { margin-left: auto; font-size: 10px; padding: 2px 8px; border-radius: 99px; background: rgba(34,197,94,0.15); color: var(--m-green); }
.mock-stock--low { background: rgba(245,158,11,0.15); color: #f59e0b; }

.mock-ticket {
  padding: 12px;
  background: rgba(255,255,255,0.04);
  border-radius: 10px;
  margin-bottom: 8px;
  border-left: 3px solid var(--m-accent);
}

.mock-ticket-id { font-size: 10px; color: var(--m-muted); }
.mock-ticket-name { font-size: 13px; font-weight: 600; margin: 4px 0; }
.mock-ticket-status { font-size: 10px; color: var(--m-cyan); }

.about-screen-caption {
  padding: 16px 20px;
  border-top: 1px solid var(--m-border);
  font-size: 14px;
  font-weight: 600;
}

.about-screen-caption span {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--m-muted);
  margin-top: 4px;
}

/* ─── How it works steps ─── */
.about-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.about-step {
  text-align: center;
  padding: 24px 16px;
  position: relative;
}

.about-step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--m-accent), var(--m-accent-2));
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.about-step h4 {
  font-size: 15px;
  margin: 0 0 8px;
}

.about-step p {
  font-size: 13px;
  color: var(--m-muted);
  line-height: 1.5;
  margin: 0;
}

/* ─── Pricing ─── */
.about-pricing {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 720px;
  margin: 0 auto;
}

.about-price-card {
  background: var(--m-surface);
  border: 1px solid var(--m-border);
  border-radius: var(--m-radius);
  padding: 32px 28px;
  text-align: center;
  position: relative;
}

.about-price-card--featured {
  border-color: var(--m-accent);
  box-shadow: 0 0 40px rgba(59,130,246,0.15);
}

.about-price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--m-accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-price-amount {
  font-family: 'Rajdhani', sans-serif;
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
  margin: 8px 0;
}

.about-price-amount small {
  font-size: 16px;
  font-weight: 500;
  color: var(--m-muted);
}

.about-price-features {
  list-style: none;
  padding: 0;
  margin: 20px 0 24px;
  text-align: left;
  font-size: 13px;
}

.about-price-features li {
  padding: 6px 0;
  color: var(--m-muted);
}

.about-price-features i {
  color: var(--m-green);
  margin-right: 8px;
}

/* ─── FAQ ─── */
.about-faq {
  max-width: 640px;
  margin: 0 auto;
}

.about-faq-item {
  border-bottom: 1px solid var(--m-border);
  padding: 20px 0;
}

.about-faq-item summary {
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.about-faq-item summary::-webkit-details-marker { display: none; }

.about-faq-item summary::after {
  content: '+';
  font-size: 20px;
  color: var(--m-muted);
}

.about-faq-item[open] summary::after { content: '−'; }

.about-faq-item p {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--m-muted);
  line-height: 1.6;
}

/* ─── CTA banner ─── */
.about-cta-banner {
  margin: 0 24px 80px;
  max-width: 1072px;
  margin-left: auto;
  margin-right: auto;
  padding: 48px 32px;
  background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(99,102,241,0.15));
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: 24px;
  text-align: center;
}

.about-cta-banner h2 {
  font-size: clamp(24px, 4vw, 32px);
  margin: 0 0 12px;
}

.about-cta-banner p {
  color: var(--m-muted);
  margin: 0 0 28px;
  font-size: 15px;
}

/* ─── Footer ─── */
.about-footer {
  padding: 32px 24px;
  padding-bottom: calc(32px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--m-border);
  text-align: center;
  font-size: 13px;
  color: var(--m-muted);
}

.about-footer a {
  color: var(--m-accent);
  text-decoration: none;
}

/* ─── Mobile nav drawer ─── */
@media (max-width: 768px) {
  .about-nav-toggle { display: block; }

  .about-nav-links {
    position: fixed;
    top: var(--m-nav-h);
    left: 0;
    right: 0;
    background: rgba(5,5,8,0.98);
    flex-direction: column;
    padding: 20px 24px 28px;
    gap: 16px;
    border-bottom: 1px solid var(--m-border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.25s, opacity 0.25s, visibility 0.25s;
  }

  .about-nav-links.about-nav-links--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .about-nav-actions .about-btn--ghost { display: none; }

  .about-features,
  .about-screens,
  .about-pricing {
    grid-template-columns: 1fr;
  }

  .about-steps {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .about-hero { padding-bottom: 48px; }

  .about-section { padding: 48px 20px; }

  .about-cta-banner { margin: 0 16px 48px; padding: 32px 20px; }
}

@media (max-width: 480px) {
  .about-steps { grid-template-columns: 1fr; }

  .about-nav-name { font-size: 18px; letter-spacing: 2px; }

  .about-btn--lg { width: 100%; }
}