/* VirexaCore Technologies — Dark Theme Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* Dark Background Palette */
    --bg-primary: #080c15;
    --bg-secondary: #0d1117;
    --bg-surface: #0f172a;
    --bg-surface-2: #1a1f2e;
    --bg-dark: #060911;

    /* Text */
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #475569;
    --text-on-dark: #e2e8f0;
    --text-on-dark-muted: #94a3b8;

    /* Brand Colors */
    --accent: #6366f1;
    --accent-dark: #4f46e5;
    --accent-light: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.18);
    --accent-glow-strong: rgba(99, 102, 241, 0.35);

    /* Status Badge Colors */
    --badge-dev-bg: rgba(245, 158, 11, 0.12);
    --badge-dev-text: #fbbf24;
    --badge-dev-border: rgba(245, 158, 11, 0.3);
    --badge-stealth-bg: rgba(239, 68, 68, 0.1);
    --badge-stealth-text: #f87171;
    --badge-stealth-border: rgba(239, 68, 68, 0.3);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-hero: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #a855f7 100%);
    --gradient-stealth: linear-gradient(135deg, #0a0e1a 0%, #110d2b 100%);

    /* Borders */
    --border-color: rgba(255, 255, 255, 0.07);
    --border-accent: rgba(99, 102, 241, 0.2);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.3);
    --shadow-stealth-glow: 0 0 35px rgba(99, 102, 241, 0.25), 0 0 70px rgba(139, 92, 246, 0.12);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 5rem;

    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius-sm: 0.5rem;
    --radius-md: 0.875rem;
    --radius-lg: 1.25rem;
    --radius-xl: 1.5rem;
}

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

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

ul { list-style: none; }

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

section {
    padding: var(--space-xl) 0;
    position: relative;
}

.bg-secondary {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.lead {
    font-size: 1.2rem;
    max-width: 52ch;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Section label */
.section-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-light);
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.25);
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.section-label.dark {
    color: var(--accent-light);
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(129, 140, 248, 0.3);
}

.mono {
    font-family: var(--font-mono);
    font-size: 0.85em;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
    letter-spacing: -0.01em;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.btn:active { transform: translateY(0); }

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-secondary);
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    font-size: 1rem;
    font-family: var(--font-primary);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent-light);
    background-color: rgba(99, 102, 241, 0.08);
}

/* ============================================================
   HEADER & NAV
   ============================================================ */
header {
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    background-color: rgba(8, 12, 21, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}

header.scrolled {
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
    border-bottom-color: var(--border-accent);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: -0.04em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.2s;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-links a:hover,
.nav-links a.active { color: var(--accent-light); }

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    display: flex;
    align-items: center;
    padding: calc(var(--space-xl) * 1.6) 0 calc(var(--space-xl) * 1.2);
    background:
        radial-gradient(ellipse at 65% 15%, rgba(99, 102, 241, 0.15) 0%, transparent 55%),
        radial-gradient(ellipse at 15% 85%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        var(--bg-primary);
    position: relative;
    overflow: hidden;
}

/* Animated grid dot background */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle, rgba(99, 102, 241, 0.22) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: radial-gradient(ellipse at 65% 30%, black 10%, transparent 65%);
    -webkit-mask-image: radial-gradient(ellipse at 65% 30%, black 10%, transparent 65%);
    pointer-events: none;
}

/* Subtle horizontal scan line animation */
.hero::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.4), transparent);
    animation: scan 6s ease-in-out infinite;
    pointer-events: none;
}

@keyframes scan {
    0% { top: -5%; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 0.5; }
    100% { top: 105%; opacity: 0; }
}

.hero-content { position: relative; z-index: 1; }

.hero h1 {
    font-size: 3.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, #e2e8f0 0%, #818cf8 50%, #a78bfa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    letter-spacing: -0.04em;
    line-height: 1.1;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* ============================================================
   STAT STRIP
   ============================================================ */
.stat-strip {
    display: flex;
    gap: 0;
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-surface);
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,0.04);
    margin-top: 3rem;
    max-width: 640px;
}

.stat-item {
    flex: 1;
    padding: 1.25rem 1.5rem;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.stat-item:last-child { border-right: none; }

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-light);
    letter-spacing: -0.03em;
    line-height: 1;
}

.stat-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ============================================================
   CARDS & GRID
   ============================================================ */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--bg-surface);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-accent);
}

.card h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

/* Card icon */
.card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
}

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
    align-items: start;
}

.product-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2.25rem;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl), 0 0 0 1px var(--border-accent);
    border-color: var(--border-accent);
}

.product-card:hover::before { opacity: 1; }

.product-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.product-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.product-icon.blue {
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.25);
}

.product-icon.green {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.product-name {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    margin-bottom: 0.25rem;
}

.product-tagline {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0;
    font-weight: 400;
}

.product-category {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
}

.product-desc {
    font-size: 0.93rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 1.5rem;
}

.product-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.75rem;
}

.product-features li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.product-features li::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
    box-shadow: 0 0 6px rgba(99, 102, 241, 0.6);
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}

.pricing-note {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ============================================================
   STATUS BADGES
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    white-space: nowrap;
    flex-shrink: 0;
}

.badge::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    flex-shrink: 0;
}

.badge-dev {
    background: var(--badge-dev-bg);
    color: var(--badge-dev-text);
    border: 1px solid var(--badge-dev-border);
}

.badge-dev::before {
    background: #fbbf24;
    box-shadow: 0 0 6px rgba(251, 191, 36, 0.6);
    animation: pulse-amber 2s infinite;
}

.badge-stealth {
    background: var(--badge-stealth-bg);
    color: var(--badge-stealth-text);
    border: 1px solid var(--badge-stealth-border);
}

.badge-stealth::before {
    background: #ef4444;
    box-shadow: 0 0 6px rgba(239, 68, 68, 0.6);
    animation: pulse-red 1.5s infinite;
}

@keyframes pulse-amber {
    0%, 100% { opacity: 1; box-shadow: 0 0 6px rgba(251, 191, 36, 0.6); }
    50% { opacity: 0.5; box-shadow: 0 0 12px rgba(251, 191, 36, 0.2); }
}

@keyframes pulse-red {
    0%, 100% { opacity: 1; box-shadow: 0 0 6px rgba(239, 68, 68, 0.6); }
    50% { opacity: 0.5; box-shadow: 0 0 12px rgba(239, 68, 68, 0.2); }
}

/* ============================================================
   STEALTH PRODUCT CARD
   ============================================================ */
.product-card.stealth {
    background: linear-gradient(135deg, #08081a 0%, #0e0a2a 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
    position: relative;
    overflow: hidden;
}

.product-card.stealth:hover {
    border-color: rgba(99, 102, 241, 0.6);
    box-shadow: var(--shadow-stealth-glow), var(--shadow-xl);
    transform: translateY(-5px);
}

.product-card.stealth::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, #6366f1, #a855f7, #6366f1);
    background-size: 200% 100%;
    animation: shimmer-line 3s linear infinite;
    opacity: 0.8;
}

@keyframes shimmer-line {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Moving shimmer overlay */
.stealth-shimmer {
    position: absolute;
    top: 0; left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(
        105deg,
        transparent 40%,
        rgba(129, 140, 248, 0.05) 50%,
        transparent 60%
    );
    animation: shimmer 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes shimmer {
    0% { left: -100%; }
    50% { left: 150%; }
    100% { left: 150%; }
}

.product-card.stealth .product-name { color: #c7d2fe; }
.product-card.stealth .product-tagline { color: #64748b; }
.product-card.stealth .product-category { color: rgba(100, 116, 139, 0.7); }
.product-card.stealth .product-desc { color: #64748b; }
.product-card.stealth .product-footer { border-top-color: rgba(99, 102, 241, 0.15); }

.stealth-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(129, 140, 248, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.stealth-redacted {
    display: inline-block;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: #818cf8;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    letter-spacing: 0.05em;
    user-select: none;
}

.stealth-info-row {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 1.75rem;
}

.stealth-info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: #475569;
}

.stealth-info-item .dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #6366f1;
    flex-shrink: 0;
    box-shadow: 0 0 6px rgba(99, 102, 241, 0.5);
}

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 1.5rem; }

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-input, .form-textarea {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all 0.2s ease;
    background-color: var(--bg-surface);
    color: var(--text-primary);
}

.form-input::placeholder, .form-textarea::placeholder {
    color: var(--text-muted);
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    background-color: var(--bg-surface-2);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin-top: 1rem;
    font-size: 0.95rem;
    display: none;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #6ee7b7;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.12) 100%);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: var(--radius-xl);
    padding: 3.5rem 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(99, 102, 241, 0.12) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}

.cta-banner h2 {
    color: var(--text-primary);
    font-size: 2rem;
    margin-bottom: 0.75rem;
    position: relative;
}

.cta-banner p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.05rem;
    position: relative;
}

.btn-white {
    background: var(--gradient-primary);
    color: white;
    font-weight: 700;
    border-radius: var(--radius-sm);
    padding: 0.875rem 2rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
    position: relative;
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6);
}

/* ============================================================
   LEGAL PAGES
   ============================================================ */
.legal-content { max-width: 780px; }

.legal-content h2 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-top: 2.5rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.legal-content h2:first-of-type { margin-top: 0; }

.legal-content h3 {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.legal-content p {
    font-size: 0.975rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.legal-content ul {
    list-style: disc;
    margin-left: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.975rem;
    line-height: 1.8;
}

.legal-content ul li { margin-bottom: 0.4rem; }

.legal-meta {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.legal-meta-item {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.legal-meta-item strong {
    color: var(--text-muted);
    font-weight: 700;
    display: block;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.15rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
    background-color: var(--bg-dark);
    padding: var(--space-xl) 0 var(--space-lg);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-top: 0.5rem;
}

.footer-col h4 {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.25rem;
    color: var(--text-secondary);
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }

.footer-col a {
    color: var(--text-muted);
    font-size: 0.875rem;
    transition: color 0.2s, transform 0.2s;
    display: inline-block;
}

.footer-col a:hover {
    color: var(--accent-light);
    transform: translateX(3px);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ============================================================
   BUTTON LOADING
   ============================================================ */
.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 1.25em;
    height: 1.25em;
    border: 2px solid white;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s linear infinite;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: rgba(8, 12, 21, 0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        gap: 0;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 20px 40px rgba(0,0,0,0.5);
        padding: 0.5rem 0;
    }

    .nav-links a {
        padding: 1rem 2rem;
        font-size: 1rem;
    }

    .nav-links a::after { display: none; }
    .nav-links.active { display: flex; }
    .mobile-menu-btn { display: block; }

    .hero {
        padding: var(--space-xl) 0;
        text-align: center;
    }

    .hero h1 { font-size: 2.5rem; }
    .hero-cta { justify-content: center; }

    .stat-strip {
        flex-direction: column;
        max-width: 100%;
    }

    .stat-item {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .stat-item:last-child { border-bottom: none; }

    .product-grid { grid-template-columns: 1fr; }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .cta-banner { padding: 2.5rem 1.5rem; }

    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.75rem; }
}

@media (max-width: 480px) {
    .footer-content { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2rem; }
}