/* ═══════════════════════════════════════════════════════════════
   AudioBalance Enterprise — style.css
   Dark · Modern · Professional
   ═══════════════════════════════════════════════════════════════ */

/* ── Reset & Custom Properties ───────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { overflow-x: hidden; }

:root {
  --bg:          #07070f;
  --bg-2:        #0d0d1a;
  --bg-3:        #111122;
  --border:      rgba(255,255,255,0.07);
  --border-2:    rgba(255,255,255,0.12);
  --text:        #e8e8f0;
  --text-muted:  #7070a0;
  --text-dim:    #404060;
  --primary:     #6c63ff;
  --primary-2:   #5a52e0;
  --accent:      #00d4ff;
  --accent-2:    #00b8e0;
  --success:     #00e5a0;
  --warn:        #ff6b6b;
  --grad:        linear-gradient(135deg, #6c63ff, #00d4ff);
  --grad-text:   linear-gradient(135deg, #a78bfa, #38bdf8, #00d4ff);
  --radius:      16px;
  --radius-sm:   10px;
  --radius-lg:   24px;
  --shadow:      0 4px 40px rgba(108,99,255,0.15);
  --shadow-lg:   0 8px 80px rgba(108,99,255,0.25);
  --font:        'Inter', system-ui, sans-serif;
  --font-mono:   'JetBrains Mono', monospace;
  --nav-h:       72px;
  --container:   1200px;
  --section-pad: 120px;
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  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 { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }
canvas { display: block; }

/* ── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ── Utility ─────────────────────────────────────────────────── */
.container { max-width: var(--container); margin: 0 auto; padding: 0 2rem; }

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(108,99,255,.12);
  border: 1px solid rgba(108,99,255,.3);
  border-radius: 99px;
  padding: .3rem .9rem;
  margin-bottom: 1.2rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.02em;
  margin-bottom: 1rem;
}

.section-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 3rem;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem 1.4rem;
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 600;
  transition: all .2s ease;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 4px 24px rgba(108,99,255,.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(108,99,255,.55);
}

.btn-ghost {
  border: 1px solid var(--border-2);
  color: var(--text);
  background: rgba(255,255,255,.04);
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(108,99,255,.08);
}

.btn-xl { padding: .95rem 2rem; font-size: 1rem; border-radius: 12px; }
.btn-full { width: 100%; justify-content: center; }

/* ═══════════════════════════════════════════════════════════ NAVBAR */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: all .3s ease;
}
.navbar.scrolled {
  background: rgba(7,7,15,.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 40px rgba(0,0,0,.4);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-shrink: 0;
}
.logo-icon { width: 36px; height: 36px; }
.logo-text {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -.01em;
}
.logo-badge {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(0,212,255,.12);
  border: 1px solid rgba(0,212,255,.25);
  border-radius: 99px;
  padding: .15rem .55rem;
}
.nav-links {
  display: flex;
  gap: 1.8rem;
  margin-left: auto;
}
.nav-links a {
  font-size: .88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color .2s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; gap: .7rem; margin-left: 1rem; align-items: center; }
.nav-cta .btn,
.nav-cta button.btn {
  padding: 0.5rem 1.2rem;
  font-size: 0.84rem;
  min-width: 120px;
  justify-content: center;
  text-align: center;
  box-shadow: none;
  height: 38px;
  box-sizing: border-box;
}
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: .5rem;
  margin-left: auto;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all .3s;
}
.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 1.5rem 2rem;
  background: rgba(7,7,15,.98);
  border-bottom: 1px solid var(--border);
  gap: .5rem;
}
.nav-mobile a {
  font-size: 1rem;
  font-weight: 500;
  padding: .6rem 0;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.nav-mobile a:last-child { border: none; }
.nav-mobile.open { display: flex; }

/* ═══════════════════════════════════════════════════════════ HERO */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-h) + 4rem) 2rem 4rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: .35;
}
.hero-orb-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, #6c63ff 0%, transparent 70%);
  top: -200px; left: -200px;
  animation: orbFloat 8s ease-in-out infinite;
}
.hero-orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #00d4ff 0%, transparent 70%);
  top: -100px; right: -150px;
  animation: orbFloat 10s ease-in-out infinite reverse;
}
.hero-orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #a855f7 0%, transparent 70%);
  bottom: -100px; left: 30%;
  animation: orbFloat 12s ease-in-out infinite;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.05); }
}
.grid-overlay {
  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;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(0,212,255,.1);
  border: 1px solid rgba(0,212,255,.25);
  border-radius: 99px;
  padding: .35rem .9rem;
  margin-bottom: 1.5rem;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(2.8rem, 5.5vw, 4.8rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.03em;
  margin-bottom: 1.4rem;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 500px;
  margin-bottom: 2.2rem;
}
.hero-sub strong { color: var(--text); font-weight: 600; }

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: .2rem; }
.stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -.02em;
}
.stat-label { font-size: .75rem; color: var(--text-muted); font-weight: 500; }
.stat-div { width: 1px; height: 36px; background: var(--border-2); }

/* ── LUFS Meter Card ─────────────────────────────────────────── */
.lufs-meter-card {
  background: rgba(13,13,26,.8);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  overflow: hidden;
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,.06);
}

.card-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .9rem 1.2rem;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,.3);
}
.card-dots { display: flex; gap: .4rem; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-red    { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green  { background: #28c840; }
.card-title { font-size: .8rem; color: var(--text-muted); font-weight: 500; flex: 1; text-align: center; }
.status-live {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .72rem;
  font-weight: 700;
  color: var(--success);
  letter-spacing: .05em;
}
.live-dot {
  width: 6px; height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: livePulse 1.2s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .2; }
}

.meter-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1.2rem;
}
.meter-left { display: flex; flex-direction: column; gap: .6rem; }
.channel-label { font-size: .7rem; font-weight: 700; color: var(--text-muted); letter-spacing: .06em; }
.meter-track {
  position: relative;
  height: 12px;
  background: rgba(255,255,255,.06);
  border-radius: 6px;
  overflow: visible;
}
.meter-fill {
  height: 100%;
  border-radius: 6px;
  transition: width .08s ease;
  position: relative;
}
.meter-fill-l { background: linear-gradient(90deg, var(--success), #a3e635, #facc15); width: 60%; }
.meter-fill-r { background: linear-gradient(90deg, var(--success), #a3e635, #facc15); width: 55%; }
.meter-peak {
  position: absolute;
  top: 0; right: 25%;
  width: 2px; height: 12px;
  background: #fff;
  border-radius: 1px;
  transition: right .3s ease;
}

.meter-right { display: flex; flex-direction: column; gap: .8rem; justify-content: center; }
.lufs-display {
  display: flex;
  align-items: baseline;
  gap: .4rem;
}
.lufs-val {
  font-size: 2.4rem;
  font-weight: 800;
  font-family: var(--font-mono);
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.lufs-unit {
  font-size: .75rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: .08em;
}

.lufs-target { display: flex; flex-direction: column; gap: .4rem; }
.lufs-target span { font-size: .7rem; color: var(--text-dim); }
.target-bar {
  height: 4px;
  background: rgba(255,255,255,.08);
  border-radius: 2px;
  overflow: hidden;
}
.target-fill {
  height: 100%;
  width: 95%;
  background: var(--success);
  border-radius: 2px;
  transition: width .2s ease;
}

.ai-tags { display: flex; gap: .4rem; flex-wrap: wrap; }
.ai-tag {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .25rem .6rem;
  border-radius: 99px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: all .3s;
}
.ai-tag.active {
  color: var(--primary);
  background: rgba(108,99,255,.15);
  border-color: rgba(108,99,255,.4);
}

.waveform-canvas {
  width: 100%;
  height: 80px;
  border-top: 1px solid var(--border);
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  z-index: 1;
  color: var(--text-dim);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  animation: scrollBob 2s ease-in-out infinite;
}
.scroll-arrow {
  width: 16px; height: 16px;
  border-right: 2px solid var(--text-dim);
  border-bottom: 2px solid var(--text-dim);
  transform: rotate(45deg);
}
@keyframes scrollBob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ═══════════════════════════════════════════════════════════ TRUSTED */
.trusted {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}
.trusted-label {
  text-align: center;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}
.trusted-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.trusted-logo {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-muted);
  opacity: .7;
  transition: opacity .2s;
}
.trusted-logo:hover { opacity: 1; }

/* ═══════════════════════════════════════════════════════════ PROBLEM/SOL */
.problem-solution {
  padding: var(--section-pad) 2rem;
}
.before-after {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  margin-top: 3rem;
}
.ba-arrow {
  font-size: 2rem;
  color: var(--primary);
  font-weight: 900;
  text-align: center;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ba-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  transition: transform .3s ease, box-shadow .3s ease;
}
.ba-card:hover { transform: translateY(-4px); }
.ba-before { border-color: rgba(255,107,107,.2); }
.ba-before:hover { box-shadow: 0 12px 40px rgba(255,107,107,.1); }
.ba-after { border-color: rgba(0,229,160,.2); }
.ba-after:hover { box-shadow: 0 12px 40px rgba(0,229,160,.1); }

.ba-header {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: 1.2rem;
}
.ba-icon {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  font-weight: 900;
  flex-shrink: 0;
}
.ba-icon.bad { background: rgba(255,107,107,.2); color: #ff6b6b; }
.ba-icon.good { background: rgba(0,229,160,.2); color: var(--success); }
.ba-header h3 { font-size: 1.05rem; font-weight: 700; }
.ba-canvas {
  width: 100%;
  height: 80px;
  border-radius: var(--radius-sm);
  margin-bottom: 1.2rem;
  background: rgba(0,0,0,.3);
}
.ba-list { display: flex; flex-direction: column; gap: .6rem; }
.ba-list li {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .88rem;
  color: var(--text-muted);
  padding-left: 1.2rem;
  position: relative;
}
.ba-list li::before {
  content: '•';
  position: absolute;
  left: 0;
}
.ba-list.bad li::before { color: #ff6b6b; }
.ba-list.good li::before { color: var(--success); }
.ba-list li strong { color: var(--text); font-weight: 600; }

/* ═══════════════════════════════════════════════════════════ HOW WORKS */
.how-works {
  padding: var(--section-pad) 2rem;
  background: var(--bg-2);
}
.steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 1rem;
  align-items: flex-start;
  margin-top: 3rem;
}
.step {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.step::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad);
  opacity: 0;
  transition: opacity .3s;
}
.step:hover { border-color: var(--primary); transform: translateY(-6px); box-shadow: var(--shadow); }
.step:hover::before { opacity: .04; }
.step-num {
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .15em;
  color: var(--primary);
  margin-bottom: .8rem;
  font-family: var(--font-mono);
}
.step-icon { margin: 0 auto 1.2rem; width: 64px; height: 64px; }
.step-icon svg { width: 100%; height: 100%; }
.step h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: .6rem; }
.step p { font-size: .88rem; color: var(--text-muted); line-height: 1.6; }
.step-connector { display: flex; align-items: center; justify-content: center; padding-top: 4rem; }
.connector-line {
  width: 40px; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  position: relative;
}
.connector-line::after {
  content: '';
  position: absolute;
  right: -5px; top: -4px;
  border: 5px solid transparent;
  border-left-color: var(--accent);
}

/* ═══════════════════════════════════════════════════════════ FEATURES */
.features { padding: var(--section-pad) 2rem; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}
.feature-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  position: relative;
  overflow: hidden;
  transition: all .3s ease;
}
.feature-card:hover {
  border-color: rgba(108,99,255,.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(108,99,255,.15);
}
.feature-glow {
  position: absolute;
  width: 150px; height: 150px;
  top: -75px; right: -75px;
  background: radial-gradient(circle, rgba(108,99,255,.3), transparent 70%);
  pointer-events: none;
}
.feature-card-large {
  grid-column: span 2;
}
.feature-card-dark {
  background: linear-gradient(135deg, rgba(108,99,255,.08), rgba(0,212,255,.06));
  border-color: rgba(108,99,255,.2);
}
.feature-icon-wrap {
  width: 48px; height: 48px;
  background: rgba(108,99,255,.1);
  border: 1px solid rgba(108,99,255,.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
}
.feature-icon { width: 26px; height: 26px; }
.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .5rem;
}
.feature-card p {
  font-size: .88rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.feature-tag {
  display: inline-block;
  margin-top: .9rem;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(0,212,255,.1);
  border: 1px solid rgba(0,212,255,.25);
  border-radius: 99px;
  padding: .2rem .65rem;
}

/* ═══════════════════════════════════════════════════════════ AI */
.ai-section {
  padding: var(--section-pad) 2rem;
  background: var(--bg-2);
  position: relative;
  overflow: hidden;
}
.ai-section::before {
  content: '';
  position: absolute;
  top: 50%; left: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(108,99,255,.08), transparent 70%);
  transform: translateY(-50%);
  pointer-events: none;
}
.ai-modules {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-top: 3rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.ai-module {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 1.5rem;
  padding: 1.3rem 1.8rem;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
  transition: all .3s ease;
  opacity: 0;
  transform: translateX(-20px);
}
.ai-module:last-child { border-bottom: none; }
.ai-module.visible { opacity: 1; transform: none; }
.ai-module:hover { background: rgba(108,99,255,.06); }

.ai-module-num {
  font-family: var(--font-mono);
  font-size: .85rem;
  font-weight: 700;
  color: var(--primary);
  opacity: .7;
  align-self: center;
}
.ai-module-content h4 {
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: .3rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
}
.ai-badge {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--accent);
  background: rgba(0,212,255,.1);
  border: 1px solid rgba(0,212,255,.2);
  border-radius: 99px;
  padding: .15rem .55rem;
}
.ai-module-content p {
  font-size: .86rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.ai-module-content p em {
  color: var(--accent);
  font-style: normal;
  font-weight: 600;
}

/* ═══════════════════════════════════════════════════════════ SPECS */
.specs { padding: var(--section-pad) 2rem; }
.specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.specs-text p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: .5rem;
}
.specs-table {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .85rem 1.4rem;
  border-bottom: 1px solid var(--border);
  transition: background .2s;
}
.spec-row:last-child { border-bottom: none; }
.spec-row:nth-child(odd) { background: rgba(255,255,255,.02); }
.spec-row:hover { background: rgba(108,99,255,.06); }
.spec-key { font-size: .85rem; color: var(--text-muted); }
.spec-val {
  font-size: .85rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent);
}

/* ═══════════════════════════════════════════════════════════ PRICING */
.pricing { padding: var(--section-pad) 2rem; background: var(--bg-2); }

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}
.toggle-label {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color .2s;
  cursor: pointer;
}
.toggle-label.active { color: var(--text); }
.save-badge {
  font-size: .7rem;
  font-weight: 700;
  color: var(--success);
  background: rgba(0,229,160,.12);
  border-radius: 99px;
  padding: .15rem .5rem;
  margin-left: .3rem;
}
.toggle-switch { position: relative; cursor: pointer; }
.toggle-switch input { display: none; }
.toggle-track {
  display: block;
  width: 48px; height: 26px;
  background: rgba(255,255,255,.1);
  border: 1px solid var(--border-2);
  border-radius: 99px;
  position: relative;
  transition: background .2s;
}
.toggle-switch input:checked + .toggle-track { background: var(--primary); border-color: var(--primary); }
.toggle-thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  transition: transform .2s;
  box-shadow: 0 2px 6px rgba(0,0,0,.3);
}
.toggle-switch input:checked + .toggle-track .toggle-thumb { transform: translateX(22px); }

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}
.pricing-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  transition: all .3s ease;
}
.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.pricing-card-featured {
  background: linear-gradient(160deg, rgba(108,99,255,.12), rgba(0,212,255,.06));
  border-color: rgba(108,99,255,.4);
  transform: scale(1.03);
}
.pricing-card-featured:hover { transform: scale(1.03) translateY(-6px); }
.featured-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad);
  color: #fff;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .35rem 1.1rem;
  border-radius: 99px;
  white-space: nowrap;
}
.plan-name {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}
.plan-price {
  display: flex;
  align-items: baseline;
  gap: .2rem;
  margin-bottom: .6rem;
}
.price-currency { font-size: 1.2rem; font-weight: 700; color: var(--text-muted); }
.price-amount {
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.03em;
}
.price-period { font-size: .85rem; color: var(--text-muted); margin-left: .2rem; }
.plan-desc {
  font-size: .87rem;
  color: var(--text-muted);
  margin-bottom: 1.8rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  line-height: 1.5;
}
.plan-features { display: flex; flex-direction: column; gap: .6rem; margin-bottom: 1.8rem; }
.plan-features li {
  font-size: .87rem;
  display: flex;
  align-items: flex-start;
  gap: .6rem;
}
.plan-features li::before {
  flex-shrink: 0;
  margin-top: .1rem;
  width: 16px; height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  font-weight: 700;
}
.plan-features li.inc { color: var(--text); }
.plan-features li.inc::before { content: '✓'; background: rgba(0,229,160,.15); color: var(--success); }
.plan-features li.exc { color: var(--text-dim); }
.plan-features li.exc::before { content: '−'; background: rgba(255,255,255,.05); color: var(--text-dim); }

.pricing-note {
  text-align: center;
  font-size: .8rem;
  color: var(--text-dim);
  margin-top: 2.5rem;
}

/* ═══════════════════════════════════════════════════════════ DOWNLOAD */
.download-section { padding: var(--section-pad) 2rem; }
.download-inner {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}
.download-glow {
  position: absolute;
  top: 50%; left: 50%;
  width: 500px; height: 300px;
  background: radial-gradient(ellipse, rgba(108,99,255,.12), transparent 70%);
  transform: translate(-50%,-50%);
  pointer-events: none;
}
.download-buttons { display: flex; flex-direction: column; gap: 1rem; align-items: center; margin-bottom: 2rem; }
.download-btn {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1rem 2rem;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  transition: all .3s ease;
  cursor: pointer;
  min-width: 400px;
}
.download-btn:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(108,99,255,.2);
}
.dl-icon { width: 48px; height: 48px; flex-shrink: 0; }
.dl-icon svg { width: 100%; height: 100%; }
.dl-info { display: flex; flex-direction: column; align-items: flex-start; gap: .2rem; }
.dl-title { font-size: 1rem; font-weight: 700; }
.dl-sub { font-size: .78rem; color: var(--text-muted); }

.download-coming {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.coming-item {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .82rem;
  color: var(--text-dim);
}
.coming-item svg { width: 16px; height: 16px; flex-shrink: 0; }
.download-req { font-size: .78rem; color: var(--text-dim); }

/* ═══════════════════════════════════════════════════════════ FAQ */
.faq-section { padding: var(--section-pad) 2rem; background: var(--bg-2); }
.faq-list {
  max-width: 760px;
  margin: 3rem auto 0;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:last-child { border-bottom: none; }
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.3rem 1.8rem;
  font-size: .95rem;
  font-weight: 600;
  text-align: left;
  color: var(--text);
  background: var(--bg-3);
  transition: background .2s;
  gap: 1rem;
}
.faq-q:hover { background: rgba(108,99,255,.06); }
.faq-arrow {
  flex-shrink: 0;
  font-size: 1.1rem;
  color: var(--primary);
  transition: transform .3s;
}
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s;
}
.faq-item.open .faq-a { max-height: 300px; }
.faq-a p {
  padding: 0 1.8rem 1.3rem;
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.7;
  background: var(--bg-3);
}

/* ═══════════════════════════════════════════════════════════ FINAL CTA */
.final-cta {
  padding: var(--section-pad) 2rem;
}
.final-cta-inner {
  position: relative;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  overflow: hidden;
}
.final-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.final-orb-1 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(108,99,255,.2), transparent 70%);
  top: -150px; left: 50%;
  transform: translateX(-50%);
}
.final-orb-2 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,212,255,.15), transparent 70%);
  bottom: -100px; left: 50%;
  transform: translateX(-50%);
}
.final-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
  margin-bottom: 1rem;
  position: relative;
}
.final-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  position: relative;
}

/* ═══════════════════════════════════════════════════════════ FOOTER */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 4rem 2rem 2rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}
.footer-brand { display: flex; flex-direction: column; gap: 1rem; }
.footer-tagline { font-size: .88rem; color: var(--text-muted); line-height: 1.6; }
.footer-socials { display: flex; gap: 1rem; margin-top: .5rem; }
.footer-socials a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: all .2s;
}
.footer-socials a:hover { border-color: var(--primary); color: var(--primary); background: rgba(108,99,255,.1); }
.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.footer-col { display: flex; flex-direction: column; gap: .7rem; }
.footer-col h4 {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: .3rem;
}
.footer-col a {
  font-size: .85rem;
  color: var(--text-dim);
  transition: color .2s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: .8rem;
  color: var(--text-dim);
}
.footer-standard { color: var(--text-dim); opacity: .7; }

/* ═══════════════════════════════════════════════════════════ ANIMATIONS */
.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .4s ease, transform .4s ease;
}
.fade-in.visible { opacity: 1; transform: none; }

/* ═══════════════════════════════════════════════════════════ RESPONSIVE */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .lufs-meter-card { max-width: 520px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card-large { grid-column: span 2; }
  .steps { grid-template-columns: 1fr; gap: 1rem; }
  .step-connector { display: none; }
  .before-after { grid-template-columns: 1fr; }
  .ba-arrow { text-align: center; font-size: 1.5rem; }
  .specs-grid { grid-template-columns: 1fr; gap: 3rem; }
  .pricing-cards { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .pricing-card-featured { transform: none; }
  .pricing-card-featured:hover { transform: translateY(-6px); }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .footer-links { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 768px) {
  :root { --section-pad: 70px; }
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card-large { grid-column: span 1; }
  .hero-stats { gap: 1rem; }
  .download-btn { min-width: unset; width: 100%; }
  .footer-links { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .trusted-logos { gap: 1.2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ── Selection color ─────────────────────────────────────────── */
::selection { background: rgba(108,99,255,.4); color: #fff; }