/* ============================================
   CSS VARIABLES & RESET
   ============================================ */
:root {
    --bg-deep: #06080f;
    --bg-surface: #0c1019;
    --bg-card: rgba(14, 20, 35, 0.65);
    --bg-card-hover: rgba(20, 28, 50, 0.75);

    --neon-blue: #00d4ff;
    --neon-purple: #a855f7;
    --neon-pink: #ec4899;
    --neon-green: #22d3ee;
    --accent-gradient: linear-gradient(135deg, #00d4ff, #a855f7);
    --accent-gradient-2: linear-gradient(135deg, #a855f7, #ec4899);

    --text-primary: #e8edf5;
    --text-secondary: #8892a8;
    --text-muted: #5a6275;

    --alert-red: #ff3b5c;
    --alert-glow: rgba(255, 59, 92, 0.15);

    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-bg: rgba(14, 20, 35, 0.55);
    --glass-blur: 20px;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 30px;

    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Be Vietnam Pro', sans-serif;

    --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-smooth);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(6, 8, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 10px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo-icon {
    font-size: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-menu a {
    display: block;
    padding: 8px 18px;
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
    position: relative;
}

.nav-menu a:hover {
    color: var(--neon-blue);
    background: rgba(0, 212, 255, 0.06);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 80px;
    gap: 60px;
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 70%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-content {
    max-width: 620px;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--neon-blue);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 50px;
    background: rgba(0, 212, 255, 0.05);
    margin-bottom: 28px;
    animation: fadeSlideUp 0.8s ease-out;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
    animation: fadeSlideUp 0.8s ease-out 0.1s both;
}

.title-line {
    display: block;
}

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

.hero-subtitle {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--neon-blue);
    margin-bottom: 16px;
    letter-spacing: 0.5px;
    animation: fadeSlideUp 0.8s ease-out 0.2s both;
}

.hero-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 520px;
    animation: fadeSlideUp 0.8s ease-out 0.3s both;
}

.hero-cta {
    animation: fadeSlideUp 0.8s ease-out 0.4s both;
}

.hero-visual {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Cyber Orb */
.cyber-orb {
    width: 340px;
    height: 340px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.orb-core {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--neon-blue), var(--neon-purple));
    box-shadow: 0 0 60px rgba(0, 212, 255, 0.4), 0 0 120px rgba(168, 85, 247, 0.2);
    animation: orbPulse 3s ease-in-out infinite;
}

.orb-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(0, 212, 255, 0.15);
}

.ring-1 {
    width: 160px;
    height: 160px;
    animation: ringRotate 12s linear infinite;
    border-color: rgba(0, 212, 255, 0.2);
}

.ring-2 {
    width: 240px;
    height: 240px;
    animation: ringRotate 18s linear infinite reverse;
    border-color: rgba(168, 85, 247, 0.15);
    border-style: dashed;
}

.ring-3 {
    width: 320px;
    height: 320px;
    animation: ringRotate 25s linear infinite;
    border-color: rgba(0, 212, 255, 0.08);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 4px 25px rgba(0, 212, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 35px rgba(0, 212, 255, 0.4);
}

.btn-cta {
    background: var(--accent-gradient);
    color: #fff;
    padding: 16px 36px;
    font-size: 1rem;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 30px rgba(0, 212, 255, 0.2);
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 40px rgba(0, 212, 255, 0.4);
}

.btn-vpn {
    background: transparent;
    color: var(--neon-blue);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 10px 28px;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
}

.btn-vpn:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--neon-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.2);
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: 100px 0;
    position: relative;
}

.section-alt {
    background: var(--bg-surface);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--neon-blue);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
}

/* ============================================
   GLASS CARDS
   ============================================ */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 36px 30px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(0, 212, 255, 0.12);
    transform: translateY(-4px);
}

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

.card-icon {
    font-size: 2rem;
    margin-bottom: 18px;
    display: inline-block;
}

.glass-card h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 0.3px;
}

.glass-card p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   ALERT / WARNING SECTION
   ============================================ */
.alert-section {
    background: var(--alert-glow);
    border: 1px solid rgba(255, 59, 92, 0.15);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
}

.alert-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--alert-red), #ff6b3d, var(--alert-red));
}

.alert-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 32px;
}

.alert-icon {
    font-size: 1.8rem;
}

.alert-header h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--alert-red);
    letter-spacing: 0.3px;
}

.alert-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.alert-card {
    background: rgba(255, 59, 92, 0.05);
    border: 1px solid rgba(255, 59, 92, 0.1);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: var(--transition-smooth);
}

.alert-card:hover {
    background: rgba(255, 59, 92, 0.08);
    border-color: rgba(255, 59, 92, 0.2);
    transform: translateY(-2px);
}

.alert-card-icon {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.alert-card h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #fca5a5;
}

.alert-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ============================================
   CTA SECTIONS
   ============================================ */
.cta-section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-ceh {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.06), rgba(168, 85, 247, 0.06));
    border-top: 1px solid rgba(0, 212, 255, 0.08);
    border-bottom: 1px solid rgba(0, 212, 255, 0.08);
}

.cta-chfi {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.06), rgba(236, 72, 153, 0.06));
    border-top: 1px solid rgba(168, 85, 247, 0.08);
    border-bottom: 1px solid rgba(168, 85, 247, 0.08);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-icon-wrap {
    margin-bottom: 20px;
}

.cta-big-icon {
    font-size: 3rem;
}

.cta-text h2 {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-text p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

/* ============================================
   NEMOCLAW SECTION
   ============================================ */
.nemo-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 50px;
}

.nemo-card {
    padding: 36px 32px;
}

.nemo-card h3 {
    font-size: 1.1rem;
    margin-bottom: 14px;
}

.nemo-card p {
    line-height: 1.8;
}

.grid-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 32px;
    color: var(--neon-green);
    letter-spacing: 0.5px;
}

.protect-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.protect-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 30px 24px;
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
}

.protect-card:hover {
    border-color: rgba(34, 211, 238, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.08);
}

.protect-icon {
    font-size: 2rem;
    margin-bottom: 16px;
    display: block;
}

.protect-card h4 {
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.protect-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 16px;
}

.protect-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 4px 12px;
    border-radius: 50px;
    background: rgba(34, 211, 238, 0.1);
    color: var(--neon-green);
    border: 1px solid rgba(34, 211, 238, 0.2);
    text-transform: uppercase;
}

/* ============================================
   INSTALLATION STEPS
   ============================================ */
.install-steps {
    max-width: 800px;
    margin: 0 auto;
}

.install-note {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 24px 28px;
    background: rgba(255, 191, 0, 0.06);
    border: 1px solid rgba(255, 191, 0, 0.15);
    border-radius: var(--radius-md);
    margin-bottom: 48px;
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.install-note strong {
    color: #fbbf24;
}

.note-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.step {
    display: flex;
    gap: 32px;
    margin-bottom: 48px;
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 28px;
    top: 60px;
    bottom: -48px;
    width: 1px;
    background: linear-gradient(to bottom, rgba(0, 212, 255, 0.3), rgba(0, 212, 255, 0.05));
}

.step-number {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--neon-blue);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.05);
    position: relative;
    z-index: 1;
}

.step-content {
    flex: 1;
    padding-top: 4px;
}

.step-content h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: 0.3px;
}

.step-content > p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 18px;
    line-height: 1.7;
}

/* Code Blocks */
.code-block {
    background: #0a0e18;
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 18px;
    background: rgba(0, 212, 255, 0.04);
    border-bottom: 1px solid rgba(0, 212, 255, 0.08);
}

.code-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.code-dot:first-child { background: #ff5f57; }
.code-dot:nth-child(2) { background: #ffbd2e; }
.code-dot:nth-child(3) { background: #28ca41; }

.code-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: 8px;
    letter-spacing: 0.5px;
}

.code-block pre {
    padding: 20px;
    overflow-x: auto;
}

.code-block code {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.85rem;
    color: var(--neon-green);
    line-height: 1.8;
}

.code-comment {
    color: var(--text-muted);
}

/* ============================================
   VPN SECTION
   ============================================ */
.vpn-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.vpn-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition-smooth);
}

.vpn-card:hover {
    border-color: rgba(0, 212, 255, 0.15);
    transform: translateY(-6px);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.3);
}

.vpn-logo {
    margin-bottom: 20px;
}

.vpn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    color: #fff;
}

.vpn-icon.nord {
    background: linear-gradient(135deg, #4687ff, #1a3fa0);
    box-shadow: 0 6px 24px rgba(70, 135, 255, 0.3);
}

.vpn-icon.surf {
    background: linear-gradient(135deg, #1ed3c6, #178f86);
    box-shadow: 0 6px 24px rgba(30, 211, 198, 0.3);
}

.vpn-icon.pure {
    background: linear-gradient(135deg, #8b5cf6, #5b21b6);
    box-shadow: 0 6px 24px rgba(139, 92, 246, 0.3);
}

.vpn-card h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.vpn-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 50px 0 30px;
    border-top: 1px solid var(--glass-border);
    background: var(--bg-surface);
}

.footer-content {
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.footer-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.footer-text a {
    color: var(--neon-blue);
    font-weight: 600;
    transition: var(--transition-smooth);
}

.footer-text a:hover {
    color: var(--neon-purple);
    text-decoration: underline;
}

.footer-line {
    width: 80px;
    height: 1px;
    background: var(--glass-border);
    margin: 0 auto 20px;
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes orbPulse {
    0%, 100% {
        box-shadow: 0 0 60px rgba(0, 212, 255, 0.4), 0 0 120px rgba(168, 85, 247, 0.2);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 80px rgba(0, 212, 255, 0.6), 0 0 160px rgba(168, 85, 247, 0.35);
        transform: scale(1.08);
    }
}

@keyframes ringRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Scroll animation */
.anim-fade {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.anim-fade.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   FLOATING PARTICLES (generated by JS)
   ============================================ */
.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--neon-blue);
    opacity: 0;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% {
        opacity: 0;
        transform: translateY(0) scale(0);
    }
    15% {
        opacity: 0.6;
        transform: scale(1);
    }
    85% {
        opacity: 0.3;
    }
    100% {
        opacity: 0;
        transform: translateY(-400px) scale(0.5);
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .protect-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(6, 8, 15, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--glass-border);
        padding: 16px 24px;
        gap: 4px;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu a {
        padding: 12px 16px;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: 120px 24px 60px;
        gap: 40px;
    }

    .hero-desc {
        margin: 0 auto 36px;
    }

    .cyber-orb {
        width: 220px;
        height: 220px;
    }

    .orb-core { width: 50px; height: 50px; }
    .ring-1 { width: 100px; height: 100px; }
    .ring-2 { width: 160px; height: 160px; }
    .ring-3 { width: 210px; height: 210px; }

    .feature-grid,
    .vpn-grid,
    .nemo-info {
        grid-template-columns: 1fr;
    }

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

    .protect-cards {
        grid-template-columns: 1fr;
    }

    .step {
        gap: 20px;
    }

    .step:not(:last-child)::after {
        left: 22px;
    }

    .step-number {
        width: 46px;
        height: 46px;
        font-size: 0.85rem;
    }

    .section {
        padding: 70px 0;
    }

    .alert-section {
        padding: 32px 24px;
    }

    .cta-section {
        padding: 60px 0;
    }

    .btn-cta {
        font-size: 0.9rem;
        padding: 14px 28px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .glass-card,
    .vpn-card {
        padding: 28px 22px;
    }

    .code-block code {
        font-size: 0.78rem;
    }
}