:root {
--bg-primary: #030712;
--bg-secondary: #0a0f1e;
--bg-card: #0d1526;
--bg-card2: #111827;
--accent-cyan: #00f5ff;
--accent-purple: #a855f7;
--accent-green: #10ffb0;
--accent-orange: #ff6b35;
--accent-yellow: #ffd700;
--text-primary: #e2e8f0;
--text-secondary: #94a3b8;
--text-muted: #475569;
--border: rgba(0,245,255,0.15);
--border-hover: rgba(0,245,255,0.4);
--glow-cyan: 0 0 20px rgba(0,245,255,0.3);
--glow-purple: 0 0 20px rgba(168,85,247,0.3);
--nav-height: 70px;
--transition: 0.3s cubic-bezier(0.4,0,0.2,1);
--radius: 12px;
--font-display: 'Orbitron', monospace;
--font-body: 'Rajdhani', sans-serif;
--font-mono: 'Space Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
background: var(--bg-primary);
color: var(--text-primary);
font-family: var(--font-body);
font-size: 1.05rem;
line-height: 1.7;
overflow-x: hidden;
min-height: 100vh;
}

/* Star background */
body::before {
content: '';
position: fixed;
inset: 0;
background-image:
radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.4) 0%, transparent 100%),
radial-gradient(1px 1px at 30% 50%, rgba(0,245,255,0.3) 0%, transparent 100%),
radial-gradient(1px 1px at 60% 10%, rgba(255,255,255,0.3) 0%, transparent 100%),
radial-gradient(1px 1px at 80% 70%, rgba(168,85,247,0.3) 0%, transparent 100%),
radial-gradient(1px 1px at 50% 85%, rgba(255,255,255,0.2) 0%, transparent 100%),
radial-gradient(2px 2px at 20% 80%, rgba(0,245,255,0.15) 0%, transparent 100%),
radial-gradient(1.5px 1.5px at 70% 40%, rgba(255,255,255,0.2) 0%, transparent 100%),
radial-gradient(1px 1px at 90% 30%, rgba(168,85,247,0.2) 0%, transparent 100%);
pointer-events: none;
z-index: 0;
}

/* ============================================================
 UTILITY
============================================================ */
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; width: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

a { color: var(--accent-cyan); text-decoration: none; transition: color var(--transition); }
a:hover { color: #fff; }

.btn {
display: inline-flex; align-items: center; gap: 8px;
padding: 12px 28px; border-radius: 8px; font-family: var(--font-display);
font-size: 0.8rem; font-weight: 700; letter-spacing: 0.05em;
cursor: pointer; border: none; transition: all var(--transition);
text-transform: uppercase; text-decoration: none;
}
.btn-primary {
background: linear-gradient(135deg, var(--accent-cyan), #0080ff);
color: #000; box-shadow: var(--glow-cyan);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 35px rgba(0,245,255,0.5); color: #000; }
.btn-secondary {
background: transparent; color: var(--accent-cyan);
border: 1px solid var(--border-hover);
}
.btn-secondary:hover { background: rgba(0,245,255,0.1); transform: translateY(-2px); color: var(--accent-cyan); }
.btn-purple {
background: linear-gradient(135deg, var(--accent-purple), #6366f1);
color: #fff; box-shadow: var(--glow-purple);
}
.btn-purple:hover { transform: translateY(-2px); box-shadow: 0 0 35px rgba(168,85,247,0.5); color: #fff; }

.section-tag {
display: inline-block; font-family: var(--font-mono); font-size: 0.72rem;
color: var(--accent-cyan); border: 1px solid var(--border);
padding: 4px 14px; border-radius: 100px; text-transform: uppercase; letter-spacing: 0.1em;
margin-bottom: 16px;
}
.section-title {
font-family: var(--font-display); font-size: clamp(1.6rem, 4vw, 2.6rem);
font-weight: 700; line-height: 1.2; color: #fff; margin-bottom: 16px;
}
.section-title span { color: var(--accent-cyan); }
.section-sub { color: var(--text-secondary); font-size: 1.05rem; max-width: 640px; }
.text-center { text-align: center; }
.section-sub.text-center { margin: 0 auto; }

/* Glow divider */
.glow-line {
height: 1px; background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
margin: 60px 0; opacity: 0.4;
}

/* ============================================================
 COOKIE BANNER
============================================================ */
#cookieBanner {
position: fixed; bottom: 0; left: 0; right: 0; z-index: 9999;
background: rgba(10,15,30,0.97); border-top: 1px solid var(--border);
padding: 16px 20px; display: flex; align-items: center; gap: 16px;
flex-wrap: wrap; backdrop-filter: blur(12px);
}
#cookieBanner p { flex: 1; min-width: 200px; font-size: 0.9rem; color: var(--text-secondary); }
#cookieBanner a { color: var(--accent-cyan); }
#cookieDismiss {
padding: 8px 22px; background: var(--accent-cyan); color: #000;
border: none; border-radius: 6px; font-weight: 700; cursor: pointer;
font-family: var(--font-display); font-size: 0.72rem; letter-spacing: 0.05em;
white-space: nowrap; transition: all var(--transition);
}
#cookieDismiss:hover { background: #fff; }
#cookieBanner.hidden { display: none; }

/* ============================================================
 NAVIGATION
============================================================ */
#navbar {
position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
height: var(--nav-height); display: flex; align-items: center;
background: rgba(3,7,18,0.85); border-bottom: 1px solid var(--border);
backdrop-filter: blur(16px); transition: all var(--transition);
}
#navbar.scrolled { background: rgba(3,7,18,0.98); border-bottom-color: rgba(0,245,255,0.25); }

.nav-inner {
width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 20px;
display: flex; align-items: center; justify-content: space-between; gap: 16px;
}

.nav-logo {
display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0;
}
.nav-logo-icon {
width: 36px; height: 36px; background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
border-radius: 8px; display: flex; align-items: center; justify-content: center;
font-size: 1.1rem;
}
.nav-logo-text {
font-family: var(--font-display); font-size: 1rem; font-weight: 700;
color: #fff; letter-spacing: 0.05em; line-height: 1;
}
.nav-logo-sub {
font-family: var(--font-mono); font-size: 0.6rem; color: var(--accent-cyan);
letter-spacing: 0.1em; text-transform: uppercase;
}

.nav-links {
display: flex; align-items: center; gap: 4px; list-style: none; flex-wrap: nowrap;
}
.nav-links > li { position: relative; }
.nav-links > li > a {
display: flex; align-items: center; gap: 5px;
padding: 8px 14px; border-radius: 6px; font-size: 0.88rem;
font-family: var(--font-body); font-weight: 600; color: var(--text-secondary);
transition: all var(--transition); white-space: nowrap;
}
.nav-links > li > a:hover, .nav-links > li > a.active {
color: var(--accent-cyan); background: rgba(0,245,255,0.08);
}
.nav-links .chevron { font-size: 0.65rem; transition: transform 0.2s; }
.nav-links li:hover .chevron { transform: rotate(180deg); }

/* Mega dropdown */
.nav-dropdown {
display: none; position: absolute; top: calc(100% + 8px); left: 50%;
transform: translateX(-50%); background: var(--bg-card);
border: 1px solid var(--border); border-radius: var(--radius);
padding: 16px; min-width: 520px; z-index: 2000;
box-shadow: 0 20px 60px rgba(0,0,0,0.5), var(--glow-cyan);
backdrop-filter: blur(12px);
}
.nav-links li:hover .nav-dropdown { display: block; }
.nav-dropdown-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.nav-dropdown a {
display: block; padding: 8px 12px; border-radius: 6px;
font-size: 0.83rem; color: var(--text-secondary);
transition: all var(--transition); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.nav-dropdown a:hover { color: var(--accent-cyan); background: rgba(0,245,255,0.08); }
.nav-dropdown-title {
font-family: var(--font-mono); font-size: 0.65rem; color: var(--accent-cyan);
text-transform: uppercase; letter-spacing: 0.1em; padding: 4px 12px 8px;
grid-column: 1/-1; border-bottom: 1px solid var(--border); margin-bottom: 4px;
}

.nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

/* Hamburger */
.hamburger {
display: none; flex-direction: column; gap: 5px; background: none; border: none;
cursor: pointer; padding: 8px; border-radius: 6px; flex-shrink: 0;
}
.hamburger span {
display: block; width: 22px; height: 2px; background: var(--text-primary);
transition: all var(--transition); border-radius: 2px;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: translateX(-8px); }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile nav */
#mobileNav {
display: none; position: fixed; top: var(--nav-height); left: 0; right: 0;
background: rgba(3,7,18,0.98); border-bottom: 1px solid var(--border);
z-index: 999; padding: 16px 20px 24px; overflow-y: auto; max-height: calc(100vh - var(--nav-height));
backdrop-filter: blur(16px);
}
#mobileNav.open { display: block; }
.mobile-nav-links { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.mobile-nav-links a {
display: block; padding: 10px 14px; border-radius: 8px;
color: var(--text-secondary); font-size: 0.95rem; font-weight: 500;
transition: all var(--transition);
}
.mobile-nav-links a:hover { color: var(--accent-cyan); background: rgba(0,245,255,0.08); }
.mobile-section-title {
font-family: var(--font-mono); font-size: 0.65rem; color: var(--accent-cyan);
text-transform: uppercase; letter-spacing: 0.1em; padding: 12px 14px 4px;
}
.mobile-tools-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin-top: 4px; }
.mobile-tools-grid a {
padding: 8px 12px; font-size: 0.8rem;
white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ============================================================
 BREADCRUMB
============================================================ */
.breadcrumb-section {
margin-top: var(--nav-height); padding: 12px 0;
background: rgba(13,21,38,0.5); border-bottom: 1px solid var(--border);
}
.breadcrumb { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.breadcrumb a { color: var(--text-muted); font-size: 0.83rem; font-family: var(--font-mono); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--accent-cyan); }
.breadcrumb span { color: var(--text-muted); font-size: 0.75rem; }
.breadcrumb .current { color: var(--accent-cyan); font-size: 0.83rem; font-family: var(--font-mono); }

/* ============================================================
 LIVE STATS BAR
============================================================ */
.live-stats-bar {
background: rgba(0,245,255,0.04); border-bottom: 1px solid var(--border);
padding: 10px 0;
}
.live-stats-inner {
display: flex; align-items: center; justify-content: center; gap: 24px; flex-wrap: wrap;
}
.live-stat {
display: flex; align-items: center; gap: 8px;
font-family: var(--font-mono); font-size: 0.78rem;
}
.live-stat-label { color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.live-stat-value {
color: var(--accent-cyan); font-weight: 700;
text-shadow: 0 0 10px rgba(0,245,255,0.5);
}
.live-dot {
width: 6px; height: 6px; border-radius: 50%; background: var(--accent-green);
animation: pulse 1.5s infinite; flex-shrink: 0;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(1.3)} }

/* ============================================================
 HERO
============================================================ */
.hero {
padding: 60px 0 40px; min-height: 90vh; display: flex; flex-direction: column;
justify-content: center; position: relative; overflow: hidden;
}

/* Animated grid background */
.hero::after {
content: '';
position: absolute; inset: 0;
background-image:
linear-gradient(rgba(0,245,255,0.04) 1px, transparent 1px),
linear-gradient(90deg, rgba(0,245,255,0.04) 1px, transparent 1px);
background-size: 60px 60px;
animation: gridMove 20s linear infinite;
pointer-events: none;
}
@keyframes gridMove { 0%{background-position:0 0} 100%{background-position:60px 60px} }

.hero-content { position: relative; z-index: 1; }
.hero-badge {
display: inline-flex; align-items: center; gap: 8px;
background: rgba(0,245,255,0.07); border: 1px solid var(--border);
border-radius: 100px; padding: 6px 16px; margin-bottom: 24px;
font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent-cyan);
letter-spacing: 0.1em; text-transform: uppercase;
}
.hero-title {
font-family: var(--font-display); font-size: clamp(2.4rem, 7vw, 5.5rem);
font-weight: 900; line-height: 1.05; color: #fff; margin-bottom: 20px;
}
.hero-title .highlight {
background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
-webkit-background-clip: text; -webkit-text-fill-color: transparent;
background-clip: text;
}
.hero-desc { font-size: 1.15rem; color: var(--text-secondary); max-width: 600px; margin-bottom: 36px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }

.hero-stats {
display: flex; gap: 32px; flex-wrap: wrap;
}
.hero-stat-item { display: flex; flex-direction: column; }
.hero-stat-num {
font-family: var(--font-display); font-size: 1.8rem; font-weight: 900;
color: var(--accent-cyan); line-height: 1;
}
.hero-stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

/* UFO float animation */
.hero-visual {
position: absolute; right: -40px; top: 50%; transform: translateY(-50%);
width: min(520px, 45vw); pointer-events: none; opacity: 0.85; z-index: 1;
}
@media (max-width: 900px) { .hero-visual { display: none; } }

.ufo-svg { animation: ufoFloat 4s ease-in-out infinite; }
@keyframes ufoFloat {
0%,100%{transform:translateY(0) rotate(-2deg)}
50%{transform:translateY(-18px) rotate(2deg)}
}

/* ============================================================
 FPS Test ENGINE
============================================================ */
#testEngine { padding: 40px 0 60px; position: relative; z-index: 1; }

.test-panel {
background: var(--bg-card); border: 1px solid var(--border);
border-radius: 16px; overflow: hidden;
box-shadow: 0 0 40px rgba(0,0,0,0.4), 0 0 1px var(--accent-cyan);
}

.test-panel-header {
background: rgba(0,245,255,0.04); border-bottom: 1px solid var(--border);
padding: 16px 24px; display: flex; align-items: center; justify-content: space-between;
flex-wrap: wrap; gap: 12px;
}
.test-panel-title {
font-family: var(--font-display); font-size: 0.85rem; color: var(--accent-cyan);
letter-spacing: 0.1em; display: flex; align-items: center; gap: 10px;
}
.fps-badge {
background: var(--bg-primary); border: 1px solid var(--accent-cyan);
padding: 4px 14px; border-radius: 6px;
font-family: var(--font-mono); font-size: 0.9rem; color: var(--accent-cyan);
text-shadow: var(--glow-cyan); min-width: 90px; text-align: center;
}

.test-controls {
display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
}
.ctrl-btn {
padding: 6px 16px; border-radius: 6px; font-family: var(--font-display);
font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; cursor: pointer;
border: 1px solid var(--border); background: transparent; color: var(--text-secondary);
transition: all var(--transition); text-transform: uppercase;
}
.ctrl-btn:hover, .ctrl-btn.active {
border-color: var(--accent-cyan); color: var(--accent-cyan);
background: rgba(0,245,255,0.1);
}
.ctrl-btn.active { box-shadow: inset 0 0 8px rgba(0,245,255,0.1); }

/* Canvas area */
.canvas-wrapper {
position: relative; background: #000; overflow: hidden;
min-height: 340px; display: flex; align-items: stretch;
}
#ufoCanvas {
display: block; width: 100%; height: 100%; cursor: crosshair;
max-height: 500px;
}

/* Ghost effect overlay */
.canvas-overlay {
position: absolute; inset: 0; pointer-events: none;
background: repeating-linear-gradient(0deg, rgba(0,0,0,0.03) 0px, transparent 2px, transparent 4px);
}

/* Metrics row */
.metrics-row {
display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
gap: 1px; background: var(--border); border-top: 1px solid var(--border);
}
.metric-cell {
background: var(--bg-card2); padding: 16px; text-align: center;
}
.metric-val {
font-family: var(--font-mono); font-size: 1.4rem; font-weight: 700;
color: var(--accent-cyan); line-height: 1;
}
.metric-val.good { color: var(--accent-green); }
.metric-val.warn { color: var(--accent-yellow); }
.metric-val.bad { color: var(--accent-orange); }
.metric-label { font-size: 0.75rem; color: var(--text-muted); margin-top: 5px; text-transform: uppercase; letter-spacing: 0.05em; }

/* Speed control */
.test-settings {
padding: 16px 24px; border-top: 1px solid var(--border);
display: flex; gap: 16px; flex-wrap: wrap; align-items: center;
}
.setting-group { display: flex; align-items: center; gap: 10px; }
.setting-label { font-size: 0.8rem; color: var(--text-secondary); font-family: var(--font-mono); white-space: nowrap; }
.range-input {
-webkit-appearance: none; width: 120px; height: 4px;
background: var(--border); border-radius: 2px; outline: none;
}
.range-input::-webkit-slider-thumb {
-webkit-appearance: none; width: 14px; height: 14px;
border-radius: 50%; background: var(--accent-cyan); cursor: pointer;
}
.range-val {
font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent-cyan);
min-width: 44px;
}

.toggle-group { display: flex; align-items: center; gap: 8px; }
.toggle-label { font-size: 0.8rem; color: var(--text-secondary); cursor: pointer; }
.toggle-switch {
position: relative; display: inline-block; width: 36px; height: 20px;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
position: absolute; inset: 0; background: var(--bg-primary);
border: 1px solid var(--border); border-radius: 20px; cursor: pointer;
transition: all 0.3s;
}
.toggle-slider::before {
content: ''; position: absolute; height: 12px; width: 12px;
left: 3px; top: 3px; background: var(--text-muted);
border-radius: 50%; transition: all 0.3s;
}
.toggle-switch input:checked + .toggle-slider { background: rgba(0,245,255,0.15); border-color: var(--accent-cyan); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(16px); background: var(--accent-cyan); }

/* FPS History Chart */
.fps-chart-wrapper {
padding: 16px 24px; border-top: 1px solid var(--border);
}
.fps-chart-title { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
#fpsChart { display: block; width: 100%; height: 60px; }

/* ============================================================
 FEATURES
============================================================ */
#features { padding: 80px 0; position: relative; z-index: 1; }

.features-grid {
display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
gap: 20px; margin-top: 48px;
}
.feature-card {
background: var(--bg-card); border: 1px solid var(--border);
border-radius: var(--radius); padding: 28px; position: relative; overflow: hidden;
transition: all var(--transition);
}
.feature-card::before {
content: ''; position: absolute; inset: 0;
background: linear-gradient(135deg, rgba(0,245,255,0.03), transparent);
opacity: 0; transition: opacity var(--transition);
}
.feature-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--glow-cyan); }
.feature-card:hover::before { opacity: 1; }

.feature-icon {
width: 52px; height: 52px; border-radius: 12px; display: flex; align-items: center;
justify-content: center; font-size: 1.5rem; margin-bottom: 18px;
background: rgba(0,245,255,0.08); border: 1px solid var(--border);
}
.feature-card h3 {
font-family: var(--font-display); font-size: 0.95rem; color: #fff;
margin-bottom: 10px; letter-spacing: 0.03em;
}
.feature-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }
.feature-tag {
display: inline-block; margin-top: 14px;
font-family: var(--font-mono); font-size: 0.65rem;
color: var(--accent-cyan); background: rgba(0,245,255,0.07);
padding: 3px 10px; border-radius: 4px; text-transform: uppercase; letter-spacing: 0.06em;
}

/* ============================================================
 HOW IT WORKS
============================================================ */
#howItWorks { padding: 80px 0; position: relative; z-index: 1; }
.steps-grid {
display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 20px; margin-top: 48px; position: relative;
}
.step-card {
background: var(--bg-card); border: 1px solid var(--border);
border-radius: var(--radius); padding: 28px; text-align: center;
position: relative; transition: all var(--transition);
}
.step-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.step-number {
font-family: var(--font-display); font-size: 2.5rem; font-weight: 900;
background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
-webkit-background-clip: text; -webkit-text-fill-color: transparent;
background-clip: text; line-height: 1; margin-bottom: 12px;
}
.step-card h3 { font-family: var(--font-display); font-size: 0.85rem; color: #fff; margin-bottom: 8px; letter-spacing: 0.05em; }
.step-card p { font-size: 0.87rem; color: var(--text-secondary); }

/* ============================================================
 SEO CONTENT SECTION
============================================================ */
#seoContent { padding: 80px 0; position: relative; z-index: 1; }
.content-card {
background: var(--bg-card); border: 1px solid var(--border);
border-radius: 16px; padding: 48px; max-width: 900px; margin: 0 auto;
}
.content-card h2 {
font-family: var(--font-display); font-size: 1.6rem; color: #fff;
margin-bottom: 20px; letter-spacing: 0.03em;
}
.content-card h3 {
font-family: var(--font-display); font-size: 1.1rem; color: var(--accent-cyan);
margin: 24px 0 10px; letter-spacing: 0.03em;
}
.content-card p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; font-size: 0.97rem; }
.content-card strong { color: var(--text-primary); }
.keywords-list {
display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0;
}
.keyword-pill {
background: rgba(0,245,255,0.06); border: 1px solid var(--border);
padding: 4px 12px; border-radius: 100px;
font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent-cyan);
}

/* ============================================================
 FAQ
============================================================ */
#faq { padding: 80px 0; position: relative; z-index: 1; }
.faq-list { max-width: 800px; margin: 48px auto 0; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
background: var(--bg-card); border: 1px solid var(--border);
border-radius: var(--radius); overflow: hidden; transition: border-color var(--transition);
}
.faq-item.open { border-color: var(--border-hover); }
.faq-q {
display: flex; align-items: center; justify-content: space-between;
padding: 20px 24px; cursor: pointer; gap: 16px;
}
.faq-q h3 { font-family: var(--font-body); font-size: 1rem; font-weight: 600; color: #fff; }
.faq-icon {
width: 24px; height: 24px; border-radius: 50%; background: rgba(0,245,255,0.1);
border: 1px solid var(--border); display: flex; align-items: center; justify-content: center;
color: var(--accent-cyan); font-size: 0.8rem; transition: transform 0.3s; flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: rgba(0,245,255,0.2); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; padding: 0 24px; }
.faq-item.open .faq-a { max-height: 300px; padding: 0 24px 20px; }
.faq-a p { color: var(--text-secondary); font-size: 0.93rem; line-height: 1.7; }

/* ============================================================
 CTA
============================================================ */
#cta { padding: 80px 0; position: relative; z-index: 1; }
.cta-card {
background: linear-gradient(135deg, rgba(0,245,255,0.06), rgba(168,85,247,0.06));
border: 1px solid var(--border); border-radius: 20px; padding: 64px 48px;
text-align: center; position: relative; overflow: hidden;
}
.cta-card::before {
content: ''; position: absolute;
top: -50%; left: -50%; width: 200%; height: 200%;
background: radial-gradient(ellipse at center, rgba(0,245,255,0.04) 0%, transparent 70%);
pointer-events: none;
}
.cta-card h2 {
font-family: var(--font-display); font-size: clamp(1.6rem, 4vw, 2.4rem);
color: #fff; margin-bottom: 16px;
}
.cta-card p { color: var(--text-secondary); font-size: 1.05rem; max-width: 560px; margin: 0 auto 36px; }
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
 FOOTER
============================================================ */
footer {
background: var(--bg-secondary); border-top: 1px solid var(--border);
padding: 60px 0 24px; position: relative; z-index: 1;
}
.footer-grid {
display: grid; grid-template-columns: 2fr repeat(3, 1fr);
gap: 40px; margin-bottom: 48px;
}
.footer-brand { }
.footer-logo {
font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
color: #fff; margin-bottom: 12px; display: flex; align-items: center; gap: 10px;
}
.footer-desc { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.7; margin-bottom: 20px; }
.footer-disclaimer { font-size: 0.78rem; color: var(--text-muted); font-style: italic; }

.footer-col h4 {
font-family: var(--font-display); font-size: 0.75rem; color: var(--accent-cyan);
text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 16px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
color: var(--text-secondary); font-size: 0.86rem; transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent-cyan); }

.footer-tools-grid {
display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
}
.footer-tools-grid a {
color: var(--text-secondary); font-size: 0.8rem;
white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
transition: color var(--transition);
}
.footer-tools-grid a:hover { color: var(--accent-cyan); }

.footer-bottom {
border-top: 1px solid var(--border); padding-top: 24px;
display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 0.82rem; color: var(--text-muted); }
.footer-bottom-links { display: flex; gap: 16px; }
.footer-bottom-links a { font-size: 0.82rem; color: var(--text-muted); }
.footer-bottom-links a:hover { color: var(--accent-cyan); }

/* ============================================================
 SCROLL TO TOP
============================================================ */
#scrollTop {
position: fixed; bottom: 80px; right: 20px; z-index: 1000;
width: 42px; height: 42px; border-radius: 8px;
background: rgba(0,245,255,0.1); border: 1px solid var(--border);
color: var(--accent-cyan); cursor: pointer;
display: none; align-items: center; justify-content: center;
font-size: 1.1rem; transition: all var(--transition);
}
#scrollTop.show { display: flex; }
#scrollTop:hover { background: rgba(0,245,255,0.2); transform: translateY(-2px); }

/* ============================================================
 RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
.footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
.nav-links, .nav-actions .btn-primary { display: none; }
.hamburger { display: flex; }
.hero { padding: 30px 0 40px; min-height: auto; }
.hero-title { font-size: clamp(1.8rem, 9vw, 3rem); }
.hero-stats { gap: 20px; }
.footer-grid { grid-template-columns: 1fr; gap: 32px; }
.cta-card { padding: 40px 24px; }
.content-card { padding: 28px; }
.test-settings { flex-direction: column; align-items: flex-start; }
.live-stats-inner { gap: 14px; }
}
@media (max-width: 480px) {
.container { padding: 0 16px; }
.metrics-row { grid-template-columns: repeat(2, 1fr); }
.hero-btns { flex-direction: column; }
.hero-btns .btn { width: 100%; justify-content: center; }
.cta-btns { flex-direction: column; }
.cta-btns .btn { width: 100%; justify-content: center; }
}

/* Animation fade-in */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }