/* =============================================
   MY SCREEN SIZE — style.css
   ============================================= */

/* ---- CSS Variables ---- */
:root {
  --bg:        #060810;
  --bg-2:      #0c1020;
  --bg-3:      #111827;
  --surface:   #131c2e;
  --surface-2: #1a2640;
  --border:    rgba(100, 140, 255, 0.12);
  --border-2:  rgba(100, 140, 255, 0.22);

  --accent:    #3d6cff;
  --accent-2:  #7c3dff;
  --accent-3:  #00e5c3;
  --accent-glow: rgba(61, 108, 255, 0.35);

  --text:      #e8eef8;
  --text-2:    #8a9ac0;
  --text-3:    #4f617a;

  --font-head: 'Syne', sans-serif;
  --font-body: 'Cabinet Grotesk', sans-serif;
  --font-mono: 'DM Mono', monospace;

  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow:     0 4px 30px rgba(0,0,0,0.35);
  --shadow-lg:  0 12px 50px rgba(0,0,0,0.5);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; outline: none; }
table { border-collapse: collapse; width: 100%; }

/* ---- Utility ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 50%, var(--accent-3) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--accent-3);
  border: 1px solid rgba(0,229,195,0.25);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 540px;
  margin: 0 auto;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: 100px;
  transition: var(--transition);
  cursor: pointer;
  letter-spacing: 0.01em;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 4px 24px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
  filter: brightness(1.1);
}
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-2);
}
.btn-ghost:hover {
  background: var(--surface-2);
  border-color: var(--accent);
  color: var(--accent);
}
.btn-large { font-size: 1rem; padding: 15px 36px; }
.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--surface-2);
  color: var(--text-2);
  border: 1px solid var(--border-2);
  padding: 8px 18px;
  border-radius: 100px;
  transition: var(--transition);
  cursor: pointer;
}
.btn-copy:hover { color: var(--accent-3); border-color: var(--accent-3); }

/* ============================================================
   HEADER
   ============================================================ */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  background: rgba(6, 8, 16, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
#site-header.scrolled {
  background: rgba(6, 8, 16, 0.92);
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
.logo-icon {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-2);
  padding: 6px 14px;
  border-radius: 100px;
  transition: var(--transition);
}
.nav-link:hover { color: var(--text); background: var(--surface); }
.nav-cta {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  padding: 8px 20px;
  border-radius: 100px;
  margin-left: 8px;
  transition: var(--transition);
}
.nav-cta:hover { filter: brightness(1.15); transform: translateY(-1px); }
.header-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 6px;
  cursor: pointer;
}
.menu-bar {
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.mobile-nav {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: rgba(6,8,16,0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
}
.mobile-nav.open { display: flex; }
.mobile-nav-link {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-2);
  padding: 12px 16px;
  border-radius: var(--radius);
  transition: var(--transition);
}
.mobile-nav-link:hover { color: var(--text); background: var(--surface); }

/* ============================================================
   FOOTER
   ============================================================ */
#site-footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 64px 24px 32px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 36px;
}
.footer-brand .header-logo { margin-bottom: 16px; }
.footer-tagline { font-size: 0.9rem; color: var(--text-2); line-height: 1.7; max-width: 280px; }
.footer-col h4 {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-link {
  font-size: 0.9rem;
  color: var(--text-2);
  transition: var(--transition);
}
.footer-link:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy { font-size: 0.82rem; color: var(--text-3); }
.footer-privacy { font-size: 0.82rem; color: var(--text-3); }
.footer-privacy span { margin: 0 8px; }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 100px 24px 80px;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(100,140,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100,140,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 40%, transparent 80%);
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.orb-1 { width: 600px; height: 600px; background: rgba(61,108,255,0.12); top: -150px; right: -100px; }
.orb-2 { width: 400px; height: 400px; background: rgba(124,61,255,0.1); bottom: -100px; left: -100px; }
.orb-3 { width: 300px; height: 300px; background: rgba(0,229,195,0.08); top: 40%; left: 30%; }

.hero-section .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--accent-3);
  background: rgba(0,229,195,0.08);
  border: 1px solid rgba(0,229,195,0.25);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.badge-dot {
  width: 6px; height: 6px;
  background: var(--accent-3);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 440px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--text-3);
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, transparent, var(--text-3));
  animation: scroll-bounce 2s ease infinite;
}
@keyframes scroll-bounce {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.4; }
}

/* Screen mockup */
.hero-display { display: flex; justify-content: center; }
.screen-mockup { display: flex; flex-direction: column; align-items: center; }
.mockup-frame {
  width: 340px;
  background: var(--surface);
  border: 1.5px solid var(--border-2);
  border-radius: 14px 14px 6px 6px;
  padding: 12px;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(61,108,255,0.08);
  position: relative;
}
.mockup-frame::before {
  content: '';
  position: absolute;
  top: 14px; left: 50%; transform: translateX(-50%);
  width: 60px; height: 4px;
  background: var(--surface-2);
  border-radius: 4px;
}
.mockup-screen {
  background: var(--bg);
  border-radius: 8px;
  padding: 28px 16px 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.live-stat-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 12px;
}
.live-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 6px;
}
.live-value {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--accent-3);
}
.mockup-stand {
  width: 80px; height: 20px;
  background: var(--surface);
  clip-path: polygon(20% 0%, 80% 0%, 100% 100%, 0% 100%);
}
.mockup-base {
  width: 140px; height: 8px;
  background: var(--surface);
  border-radius: 4px;
  margin-top: 2px;
}

/* ============================================================
   DETECTOR SECTION
   ============================================================ */
.detector-section {
  padding: 100px 0;
  background: var(--bg);
}
.detector-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.detector-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  cursor: default;
}
.detector-card:hover {
  border-color: var(--border-2);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.primary-card {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(61,108,255,0.12), rgba(124,61,255,0.08));
  border-color: rgba(61,108,255,0.3);
}
.card-glow {
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(61,108,255,0.15), transparent 70%);
  pointer-events: none;
}
.card-icon {
  font-size: 1.5rem;
  margin-bottom: 14px;
  opacity: 0.8;
}
.card-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--text-3);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.card-value {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.primary-card .card-value { font-size: 1.8rem; color: var(--accent); }
.card-sub {
  font-size: 0.78rem;
  color: var(--text-3);
}
.detector-copy-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 20px;
  gap: 16px;
  flex-wrap: wrap;
}
.detector-copy-bar span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-2);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============================================================
   DEVICE SECTION
   ============================================================ */
.device-section {
  padding: 100px 0;
  background: var(--bg-2);
}
.device-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.device-info-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
}
.panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.info-list { display: flex; flex-direction: column; gap: 0; }
.info-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(100,140,255,0.06);
}
.info-item:last-child { border-bottom: none; }
.info-key {
  font-size: 0.82rem;
  color: var(--text-3);
  flex-shrink: 0;
}
.info-val {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-2);
  text-align: right;
  word-break: break-all;
}

/* ============================================================
   BREAKPOINT SECTION
   ============================================================ */
.breakpoint-section {
  padding: 100px 0;
  background: var(--bg);
}
.breakpoint-visualizer { margin-bottom: 40px; }
.bp-ruler {
  width: 100%;
  height: 12px;
  background: var(--surface);
  border-radius: 100px;
  position: relative;
  overflow: hidden;
  margin-bottom: 16px;
  border: 1px solid var(--border);
}
.bp-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 100px;
  transition: width 0.3s ease;
  position: relative;
}
.bp-fill::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 20px;
  background: rgba(255,255,255,0.3);
  border-radius: 100px;
  animation: ruler-shine 2s ease infinite;
}
@keyframes ruler-shine {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.bp-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-3);
  margin-bottom: 28px;
}
.bp-cards {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.bp-card {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-2);
  transition: var(--transition);
}
.bp-card.active {
  background: rgba(61,108,255,0.12);
  border-color: var(--accent);
  color: var(--accent);
}
.bp-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-3);
}
.bp-card.active .bp-dot {
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}
.breakpoint-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.breakpoint-table th, .breakpoint-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.breakpoint-table th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  background: var(--surface);
}
.breakpoint-table td { color: var(--text-2); }
.breakpoint-table tr:last-child td { border-bottom: none; }
.breakpoint-table tr:hover td { background: rgba(100,140,255,0.03); }
.bp-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--text-3);
}
.bp-badge.match {
  background: rgba(0,229,195,0.08);
  border-color: rgba(0,229,195,0.4);
  color: var(--accent-3);
}

/* ============================================================
   COMPARISON SECTION
   ============================================================ */
.comparison-section {
  padding: 100px 0;
  background: var(--bg-2);
}
.comparison-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 28px;
  align-items: start;
}
.comparison-canvas {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  min-height: 380px;
  display: flex;
  align-items: flex-end;
  gap: 16px;
  overflow-x: auto;
}
.comp-bar-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.comp-bar {
  width: 50px;
  border-radius: 4px 4px 0 0;
  position: relative;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.comp-bar.current {
  background: linear-gradient(to top, var(--accent), var(--accent-2));
  box-shadow: 0 0 20px rgba(61,108,255,0.3);
}
.comp-bar:not(.current) { background: var(--surface-2); border: 1px solid var(--border); }
.comp-bar:hover { filter: brightness(1.2); }
.comp-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-3);
  text-align: center;
  line-height: 1.4;
  max-width: 60px;
}
.comparison-legend {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.legend-title {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(100,140,255,0.06);
}
.legend-item:last-child { border-bottom: none; }
.legend-dot {
  width: 10px; height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
}
.legend-info { flex: 1; }
.legend-name { font-size: 0.8rem; color: var(--text-2); margin-bottom: 2px; }
.legend-res { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-3); }

/* ============================================================
   FEATURES SECTION
   ============================================================ */
.features-section {
  padding: 100px 0;
  background: var(--bg);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.feature-card:hover {
  border-color: var(--border-2);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.feature-card.card-wide { grid-column: span 2; }
.feat-number {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}
.feat-icon-wrap {
  color: var(--text-2);
  margin-bottom: 16px;
  opacity: 0.8;
}
.feature-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* ============================================================
   HOW IT WORKS SECTION
   ============================================================ */
.how-section {
  padding: 100px 0;
  background: var(--bg-2);
}
.steps-track {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 52px;
}
.step-item {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
}
.step-connector {
  width: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 48px;
}
.step-connector::after {
  content: '';
  display: block;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.step-num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 14px;
}
.step-content h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.step-content p {
  font-size: 0.86rem;
  color: var(--text-2);
  line-height: 1.7;
}
.step-content code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background: var(--surface-2);
  color: var(--accent-3);
  padding: 2px 7px;
  border-radius: 5px;
}
.api-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.api-chip {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: var(--surface);
  color: var(--accent-3);
  border: 1px solid rgba(0,229,195,0.2);
  padding: 6px 16px;
  border-radius: 100px;
}

/* ============================================================
   FAQ SECTION
   ============================================================ */
.faq-section {
  padding: 100px 0;
  background: var(--bg);
}
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: var(--border-2); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  color: var(--text);
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}
.faq-question:hover { color: var(--accent); }
.faq-icon {
  width: 22px; height: 22px;
  flex-shrink: 0;
  border: 1px solid var(--border-2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--accent); border-color: var(--accent); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.75;
  border-top: 1px solid var(--border);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(61,108,255,0.15) 0%, transparent 70%);
}
.cta-inner { position: relative; z-index: 1; }
.cta-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: var(--text-3);
  margin-bottom: 24px;
}
.cta-title {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.cta-desc {
  font-size: 1.05rem;
  color: var(--text-2);
  margin-bottom: 40px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-section .container { grid-template-columns: 1fr; }
  .hero-display { display: none; }
  .detector-grid { grid-template-columns: repeat(2, 1fr); }
  .primary-card { grid-column: span 2; }
  .device-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .feature-card.card-wide { grid-column: span 2; }
  .comparison-layout { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .header-nav { display: none; }
  .header-menu-btn { display: flex; }
  .detector-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card.card-wide { grid-column: span 1; }
  .steps-track { flex-direction: column; }
  .step-connector { width: 1px; height: 32px; padding: 0; }
  .step-connector::after { width: 1px; height: 100%; background: linear-gradient(to bottom, var(--accent), var(--accent-2)); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 540px) {
  .section-title { font-size: 1.8rem; }
  .detector-grid { grid-template-columns: 1fr; }
  .primary-card { grid-column: span 1; }
  .footer-top { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
}