/* ─────────────────────────────────────────────
   QLANZO — Main Stylesheet
   Primary: #111318  |  Accent: #6210ED
   Font: Inter (Google Fonts)
───────────────────────────────────────────── */

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #111318;
  --bg-2:      #16191f;
  --bg-3:      #1c2028;
  --accent:    #6210ED;
  --accent-2:  #7c34f5;
  --accent-3:  #4a0bb5;
  --text:      #e8eaf0;
  --text-muted:#8b909e;
  --border:    rgba(255,255,255,0.07);
  --radius:    12px;
  --radius-lg: 20px;
  --shadow:    0 4px 32px rgba(0,0,0,0.4);
  --glow:      0 0 80px rgba(98,16,237,0.25);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

/* ── CONTAINER ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-2);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(98,16,237,0.4);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-2);
  text-decoration: none;
  transform: translateY(-1px);
}
.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
  border-radius: var(--radius-lg);
}

/* ── PILLS ── */
.pill {
  display: inline-block;
  background: rgba(98,16,237,0.15);
  color: var(--accent-2);
  border: 1px solid rgba(98,16,237,0.3);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  margin-bottom: 16px;
}

/* ── GRADIENT TEXT ── */
.gradient-text {
  background: linear-gradient(135deg, var(--accent-2), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── NAVBAR ── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(17,19,24,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 36px; width: auto; }
.nav-links {
  display: flex;
  gap: 24px;
  margin-left: auto;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
  text-decoration: none;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}
.nav-cta { margin-left: 8px; font-size: 14px; padding: 9px 18px; }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.2s;
}

/* Mobile menu */
.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 24px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 99;
  max-height: calc(100vh - 64px);
  overflow-y: auto;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 0;
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile .btn { margin-top: 8px; width: 100%; justify-content: center; }

@media (max-width: 720px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
}

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  padding: 80px 24px 60px;
}
.hero-glow {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(98,16,237,0.18) 0%, transparent 65%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 760px;
}
.hero-badge {
  display: inline-block;
  background: rgba(98,16,237,0.15);
  color: var(--accent-2);
  border: 1px solid rgba(98,16,237,0.3);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -1px;
  margin-bottom: 20px;
  color: #fff;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 12px;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ── SECTIONS ── */
.section {
  padding: 96px 0;
}
.section-dark {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-header {
  text-align: center;
  max-width: 580px;
  margin: 0 auto 56px;
}
.section-header h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.2;
}
.section-header p {
  color: var(--text-muted);
  font-size: 1rem;
}

/* ── FEATURES GRID ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .features-grid { grid-template-columns: 1fr; } }

.feature-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover {
  border-color: rgba(98,16,237,0.4);
  transform: translateY(-3px);
}
.feature-icon {
  width: 52px;
  height: 52px;
  background: rgba(98,16,237,0.12);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent-2);
}
.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.feature-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ── WHY QLANZO ── */
.why-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 780px) {
  .why-inner { grid-template-columns: 1fr; gap: 40px; }
}
.why-text h2 {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.2;
}
.why-text > p {
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.7;
}
.why-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.why-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text);
  font-size: 0.95rem;
}
.why-list li svg { color: var(--accent-2); flex-shrink: 0; margin-top: 3px; }

.why-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s;
}
.stat-card:hover { border-color: rgba(98,16,237,0.35); }
.stat-icon {
  width: 44px;
  height: 44px;
  background: rgba(98,16,237,0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-2);
}
.stat-text { display: flex; flex-direction: column; gap: 2px; }
.stat-text strong { font-size: 0.95rem; font-weight: 700; color: #fff; }
.stat-text span { font-size: 0.8rem; color: var(--text-muted); }

/* ── DOWNLOAD ── */
.download-box {
  position: relative;
  overflow: hidden;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 72px 40px;
  text-align: center;
}
.download-glow {
  top: -200px;
  opacity: 0.8;
}
.download-logo { margin: 0 auto 24px; }
.download-box h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.download-box p {
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 32px;
  font-size: 1rem;
  line-height: 1.7;
}

/* ── FOOTER ── */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding-top: 56px;
}
.footer-inner {
  display: flex;
  gap: 48px;
  align-items: flex-start;
  flex-wrap: wrap;
  padding-bottom: 40px;
}
.footer-brand {
  flex: 1;
  min-width: 200px;
}
.footer-brand img { margin-bottom: 12px; }
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 220px;
  line-height: 1.6;
}
.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 120px;
}
.footer-col strong {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.footer-col a {
  color: var(--text-muted);
  font-size: 0.88rem;
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ── DOC PAGES (Privacy / TOS) ── */
.doc-hero {
  padding: 80px 0 48px;
  border-bottom: 1px solid var(--border);
}
.doc-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: #fff;
  margin-bottom: 10px;
}
.doc-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.doc-intro {
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
  font-size: 1rem;
}

.doc-body {
  padding: 64px 0 96px;
}
.doc-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 780px) {
  .doc-layout { grid-template-columns: 1fr; }
  .doc-toc {
    position: static;
    cursor: pointer;
  }
  .doc-toc strong {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0;
    user-select: none;
  }
  .doc-toc strong::after {
    content: '▾';
    font-size: 1rem;
    transition: transform 0.2s;
  }
  .doc-toc.toc-open strong::after {
    transform: rotate(-180deg);
  }
  .doc-toc ol {
    display: none;
    margin-top: 12px;
  }
  .doc-toc.toc-open ol {
    display: flex;
  }
}

/* TOC sidebar */
.doc-toc {
  position: sticky;
  top: 80px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.doc-toc strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.doc-toc ol {
  list-style: none;
  counter-reset: toc;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.doc-toc ol li { counter-increment: toc; }
.doc-toc ol li a {
  display: block;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 5px 8px;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
}
.doc-toc ol li a:hover {
  background: rgba(98,16,237,0.1);
  color: var(--accent-2);
}

/* Article */
.doc-article { max-width: 720px; }
.doc-article h2 {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  margin: 40px 0 14px;
  padding-top: 8px;
}
.doc-article h2:first-child { margin-top: 0; }
.doc-article h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin: 20px 0 8px;
}
.doc-article p {
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 14px;
}
.doc-article ul {
  list-style: disc;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}
.doc-article ul li { color: var(--text-muted); line-height: 1.65; }
.doc-article ul li strong { color: var(--text); }
.doc-article a { color: var(--accent-2); }
.doc-article a:hover { text-decoration: underline; }
.doc-article hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}
.doc-note {
  background: rgba(98,16,237,0.08);
  border: 1px solid rgba(98,16,237,0.2);
  border-radius: var(--radius);
  padding: 16px 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.65;
  margin-top: 32px;
}