/* ============================================================
   mvc-inspect — Enterprise Product Page
   sbay-dev · Professional Design System
   ============================================================ */

/* ── Design Tokens ── */
:root {
  --c-bg:          #0a0e17;
  --c-bg-alt:      #111827;
  --c-surface:     #1a2332;
  --c-surface-2:   #243044;
  --c-border:      rgba(255,255,255,.08);
  --c-border-lt:   rgba(255,255,255,.04);
  --c-text:        #e8edf5;
  --c-text-muted:  #8899ab;
  --c-text-dim:    #5a6a7a;
  --c-accent:      #00e5a0;
  --c-accent-2:    #00c8ff;
  --c-accent-glow: rgba(0,229,160,.15);
  --c-purple:      #7c5cfc;
  --c-white:       #ffffff;
  --c-danger:      #ff5252;
  --c-warning:     #ffc107;
  --c-success:     #00e676;
  --radius:        16px;
  --radius-sm:     10px;
  --radius-xs:     6px;
  --font-body:     'Inter', 'Noto Kufi Arabic', system-ui, sans-serif;
  --font-mono:     'IBM Plex Mono', 'Consolas', monospace;
  --font-ar:       'Noto Kufi Arabic', 'Inter', system-ui, sans-serif;
  --shadow-card:   0 4px 24px rgba(0,0,0,.4);
  --shadow-glow:   0 0 40px rgba(0,229,160,.1);
  --transition:    .3s cubic-bezier(.4,0,.2,1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font-ar);
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 16px;
  line-height: 1.8;
  direction: rtl;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.ltr {
  font-family: var(--font-body);
  direction: ltr;
}

a { color: var(--c-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-accent-2); }

.hidden { display: none !important; }

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  background: rgba(10,14,23,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--c-border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--c-white);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -.5px;
}
.nav-logo {
  color: var(--c-accent);
  font-size: 1.4rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  color: var(--c-text-muted);
  font-size: .88rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-link:hover { color: var(--c-white); }
.nav-gh {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xs);
  padding: 6px 14px;
}
.nav-gh:hover { background: var(--c-surface-2); border-color: var(--c-accent); }
.lang-switch {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xs);
  color: var(--c-accent);
  cursor: pointer;
  font-family: inherit;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .5px;
  padding: 6px 14px;
  transition: all var(--transition);
}
.lang-switch:hover { background: var(--c-accent); color: var(--c-bg); }

/* ── Hero ── */
.hero {
  position: relative;
  padding: 140px 32px 80px;
  text-align: center;
  overflow: hidden;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 20%, rgba(0,229,160,.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(0,200,255,.06) 0%, transparent 50%),
    radial-gradient(ellipse 40% 40% at 10% 60%, rgba(124,92,252,.06) 0%, transparent 50%);
  z-index: 0;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
}
.hero-inner { position: relative; z-index: 1; max-width: 860px; }

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}
.badge img {
  border-radius: 6px;
  transition: transform var(--transition);
}
.badge:hover img { transform: translateY(-2px); }

.hero-title {
  font-size: 4.2rem;
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--c-white);
}
body.ltr .hero-title { font-family: var(--font-body); }
.hero-accent { color: var(--c-accent); }

.tagline {
  font-size: 1.2rem;
  color: var(--c-text-muted);
  max-width: 640px;
  margin: 0 auto 8px;
  line-height: 1.9;
}
.tagline-sub {
  font-size: 1rem;
  color: var(--c-text-dim);
  margin-bottom: 40px;
}

.install-box {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px 28px;
  display: inline-block;
  max-width: 560px;
  width: 100%;
  text-align: start;
}
.install-label {
  font-size: .78rem;
  color: var(--c-text-dim);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}
.install-cmd {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  direction: ltr;
}
.install-cmd code {
  flex: 1;
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--c-accent);
}
.copy-btn {
  background: transparent;
  border: 1px solid var(--c-accent);
  border-radius: var(--radius-xs);
  color: var(--c-accent);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 600;
  padding: 4px 14px;
  transition: all var(--transition);
}
.copy-btn:hover, .copy-btn.copied { background: var(--c-accent); color: var(--c-bg); }

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-top: 48px;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  color: var(--c-white);
  font-family: var(--font-body);
}
.stat-label {
  font-size: .82rem;
  color: var(--c-text-dim);
  font-weight: 500;
}
.stat-sep {
  width: 1px;
  height: 40px;
  background: var(--c-border);
}

/* ── Sections ── */
.section { padding: 100px 32px; }
.section-dark { background: var(--c-bg-alt); }
.section-inner { max-width: 1100px; margin: 0 auto; }

.section-header { margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--c-white);
  letter-spacing: -.5px;
  line-height: 1.4;
}

/* ── Feature Cards ── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(24px);
}
.card.visible { opacity: 1; transform: translateY(0); }
.card:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.card.visible:hover { transform: translateY(-4px); }
.card-primary {
  border-color: rgba(0,229,160,.2);
  background: linear-gradient(135deg, var(--c-surface) 0%, rgba(0,229,160,.04) 100%);
}
.card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--c-accent);
}
.card-icon svg { width: 28px; height: 28px; }
.card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 10px;
}
.card p {
  font-size: .9rem;
  color: var(--c-text-muted);
  line-height: 1.8;
}
.card p code {
  background: var(--c-bg);
  border-radius: 4px;
  color: var(--c-accent-2);
  font-family: var(--font-mono);
  font-size: .82rem;
  padding: 2px 6px;
  direction: ltr;
  display: inline-block;
}

/* ── Architecture Pipeline ── */
.pipeline {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 48px;
}
.pipe-step {
  flex: 1;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition);
}
.pipe-step.visible { opacity: 1; transform: translateY(0); }
.pipe-step:hover { border-color: var(--c-accent); }
.pipe-num {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.pipe-step h4 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 8px;
}
.pipe-step p {
  font-size: .85rem;
  color: var(--c-text-muted);
  line-height: 1.7;
}
.pipe-arrow {
  display: flex;
  align-items: center;
  padding: 0 16px;
  color: var(--c-text-dim);
  font-size: 1.4rem;
  padding-top: 50px;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.tech {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 100px;
  color: var(--c-text-muted);
  font-size: .82rem;
  font-weight: 500;
  padding: 8px 20px;
  transition: all var(--transition);
}
.tech:hover { border-color: var(--c-accent); color: var(--c-accent); }

/* ── Usage / Command Blocks ── */
.usage-grid {
  display: grid;
  gap: 16px;
  margin-bottom: 56px;
}
.cmd-block {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}
.cmd-block:hover { border-color: var(--c-accent); }
.cmd-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--c-border);
}
.cmd-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.cmd-dot.red { background: #ff5f57; }
.cmd-dot.yellow { background: #febc2e; }
.cmd-dot.green { background: #28c840; }
.cmd-title {
  margin-right: auto;
  margin-left: auto;
  font-size: .82rem;
  color: var(--c-text-dim);
  font-weight: 500;
}
body.ltr .cmd-title { margin-right: auto; margin-left: auto; }
.cmd-block pre {
  background: var(--c-bg);
  color: var(--c-accent);
  direction: ltr;
  font-family: var(--font-mono);
  font-size: .88rem;
  overflow-x: auto;
  padding: 18px 24px;
  margin: 0;
  line-height: 1.6;
}

/* ── Flags Table ── */
.flags-section h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 20px;
}
.table-wrap { overflow-x: auto; border-radius: var(--radius); }
table {
  border-collapse: collapse;
  min-width: 100%;
  background: var(--c-surface);
}
thead { background: var(--c-surface-2); }
th {
  padding: 14px 20px;
  font-size: .82rem;
  font-weight: 700;
  color: var(--c-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: start;
}
td {
  padding: 14px 20px;
  font-size: .88rem;
  color: var(--c-text-muted);
  border-top: 1px solid var(--c-border);
}
tr:hover td { background: rgba(0,229,160,.03); }
td code {
  background: var(--c-bg);
  border-radius: 4px;
  color: var(--c-accent-2);
  font-family: var(--font-mono);
  font-size: .82rem;
  padding: 3px 8px;
  direction: ltr;
  display: inline-block;
  white-space: nowrap;
}

/* ── Security Grid ── */
.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}
.sec-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition);
}
.sec-card.visible { opacity: 1; transform: translateY(0); }
.sec-card:hover { border-color: var(--c-accent); }
.sec-icon {
  width: 40px;
  height: 40px;
  color: var(--c-accent);
  margin-bottom: 16px;
}
.sec-icon svg { width: 28px; height: 28px; }
.sec-card h4 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 8px;
}
.sec-card p {
  font-size: .85rem;
  color: var(--c-text-muted);
  line-height: 1.7;
}
.sec-note {
  font-size: .88rem;
  color: var(--c-text-dim);
  text-align: center;
  margin-top: 12px;
}

/* ── Timeline ── */
.timeline {
  position: relative;
  padding-right: 40px;
}
body.ltr .timeline { padding-right: 0; padding-left: 40px; }
.timeline::before {
  content: '';
  position: absolute;
  right: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--c-border);
}
body.ltr .timeline::before { right: auto; left: 12px; }

.tl-item {
  position: relative;
  display: flex;
  gap: 24px;
  margin-bottom: 28px;
  opacity: 0;
  transform: translateX(20px);
  transition: all var(--transition);
}
body.ltr .tl-item { transform: translateX(-20px); }
.tl-item.visible { opacity: 1; transform: translateX(0); }

.tl-item::before {
  content: '';
  position: absolute;
  right: -34px;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-surface-2);
  border: 2px solid var(--c-text-dim);
}
body.ltr .tl-item::before { right: auto; left: -34px; }
.tl-current::before {
  background: var(--c-accent);
  border-color: var(--c-accent);
  box-shadow: 0 0 12px rgba(0,229,160,.4);
}

.tl-ver {
  min-width: 64px;
  font-family: var(--font-mono);
  font-size: .88rem;
  font-weight: 700;
  color: var(--c-accent);
  padding-top: 4px;
}
.tl-content {
  flex: 1;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
}
.tl-content p {
  font-size: .88rem;
  color: var(--c-text-muted);
  line-height: 1.7;
}
.tl-content p code {
  background: var(--c-bg);
  border-radius: 4px;
  color: var(--c-accent-2);
  font-family: var(--font-mono);
  font-size: .8rem;
  padding: 2px 6px;
  direction: ltr;
  display: inline-block;
}
.tl-badge {
  display: inline-block;
  background: rgba(0,229,160,.12);
  border: 1px solid rgba(0,229,160,.25);
  border-radius: 100px;
  color: var(--c-accent);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .5px;
  padding: 3px 12px;
  margin-bottom: 8px;
}

/* ── Footer ── */
.footer {
  background: var(--c-bg);
  border-top: 1px solid var(--c-border);
  padding: 48px 32px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1rem;
  color: var(--c-white);
}
.footer-logo { color: var(--c-accent); font-size: 1.2rem; }
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  color: var(--c-text-dim);
  font-size: .85rem;
  font-weight: 500;
}
.footer-links a:hover { color: var(--c-accent); }
.footer-copy {
  font-size: .78rem;
  color: var(--c-text-dim);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding: 120px 20px 60px; min-height: auto; }
  .hero-title { font-size: 2.6rem; }
  .tagline { font-size: 1rem; }
  .section { padding: 64px 20px; }
  .cards { grid-template-columns: 1fr; }
  .pipeline { flex-direction: column; }
  .pipe-arrow { transform: rotate(90deg); padding: 8px 0; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .stat-sep { width: 40px; height: 1px; }
  .security-grid { grid-template-columns: 1fr; }
  .timeline { padding-right: 32px; }
  body.ltr .timeline { padding-left: 32px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .install-box { padding: 16px 20px; }
  .nav-inner { padding: 12px 16px; }
}