@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-color: #07050f;
    --bg-card: rgba(18, 14, 36, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(139, 92, 246, 0.15);
    
    --primary: #6366f1; /* Indigo */
    --primary-glow: rgba(99, 102, 241, 0.35);
    --secondary: #06b6d4; /* Cyan */
    --secondary-glow: rgba(6, 182, 212, 0.35);
    --accent: #d946ef; /* Magenta */
    --accent-glow: rgba(217, 70, 239, 0.35);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background lights */
body::before {
    content: '';
    position: absolute;
    top: -200px;
    left: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-glow) 0%, rgba(7, 5, 15, 0) 70%);
    z-index: -1;
    pointer-events: none;
}

body::after {
    content: '';
    position: absolute;
    top: 600px;
    right: -200px;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, var(--accent-glow) 0%, rgba(7, 5, 15, 0) 70%);
    z-index: -1;
    pointer-events: none;
}

.bg-light-3 {
    position: absolute;
    bottom: 20%;
    left: 10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--secondary-glow) 0%, rgba(7, 5, 15, 0) 70%);
    z-index: -1;
    pointer-events: none;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

p {
    color: var(--text-secondary);
}

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

img {
    max-width: 100%;
    height: auto;
}

/* --- Utilities --- */
.gradient-text {
    background: linear-gradient(135deg, #a78bfa 0%, #22d3ee 50%, #f472b6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass {
    background: var(--bg-card);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.glass-interactive {
    transition: var(--transition-normal);
}
.glass-interactive:hover {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 12px 40px 0 rgba(139, 92, 246, 0.15);
    transform: translateY(-4px);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
    position: relative;
    overflow: hidden;
}
.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: skewX(-25deg);
    transition: 0.75s ease;
}
.btn-primary:hover::after {
    left: 120%;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
}
.badge-violet {
    background: rgba(139, 92, 246, 0.1);
    color: #c084fc;
    border-color: rgba(139, 92, 246, 0.2);
}
.badge-cyan {
    background: rgba(6, 182, 212, 0.1);
    color: #22d3ee;
    border-color: rgba(6, 182, 212, 0.2);
}

/* --- Header / Nav --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: var(--transition-normal);
    padding: 16px 0;
}
header.scrolled {
    padding: 12px 0;
    background: rgba(7, 5, 15, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}
.logo-img {
    height: 40px;
    width: auto;
    filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.5));
}
.logo-text {
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: var(--font-heading);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}
.nav-link:hover {
    color: var(--text-primary);
}
.nav-cta {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Hamburger menu (Mobile) */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    background: none;
    border: none;
}
.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

/* --- Hero Section --- */
.hero {
    padding-top: 160px;
    padding-bottom: 100px;
    position: relative;
    overflow: hidden;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
    align-items: center;
}
.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.hero-badge {
    margin-bottom: 24px;
    animation: float 4s ease-in-out infinite;
}
.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -0.03em;
}
.hero-desc {
    font-size: 1.15rem;
    margin-bottom: 36px;
    max-width: 540px;
    color: var(--text-secondary);
}
.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 40px;
    width: 100%;
}
.compatibility-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.compatibility-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    font-weight: 600;
}
.browsers-icons {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.browser-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.03);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}
.browser-tag i {
    font-size: 1rem;
}

/* --- Interactive Mockup --- */
.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}
.mockup-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.25) 0%, rgba(7, 5, 15, 0) 70%);
    z-index: -1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.extension-mockup {
    width: 360px;
    height: 590px;
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), 0 0 30px rgba(139, 92, 246, 0.15);
    background: #0b0914;
    position: relative;
}

.mockup-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: #110f21;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 8px;
    gap: 8px;
}

.mockup-tab-btn {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.03);
    color: #64748b;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.82rem;
    padding: 12px 6px;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.mockup-tab-btn i {
    font-size: 1.3rem;
    color: #64748b;
    transition: var(--transition-fast);
}

.mockup-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.mockup-tab-btn.active {
    color: #ffffff;
    background: #1e1b2e;
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.mockup-tab-btn.active i {
    color: #a78bfa;
}

.mockup-content {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    background: #0a0815;
}

.mockup-panel {
    display: none;
    height: 100%;
    flex-direction: column;
}

.mockup-panel.active {
    display: flex;
}

/* Mon Profil tab items */
.profile-scroll {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-extension-details {
    width: 100%;
    background: transparent;
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
    border-radius: 6px;
    padding: 7px 12px;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 12px;
    transition: all 0.2s ease;
}

.btn-extension-details:hover {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.5);
}

.profile-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.sim-input-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-align: left;
    margin-bottom: 8px;
}

.sim-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: #94a3b8;
}

.sim-input {
    background: #1e1b2e;
    border: 1px solid rgba(255, 255, 255, 0.08);
    height: 38px;
    border-radius: 8px;
    padding: 0 12px;
    font-size: 0.82rem;
    color: #cbd5e1;
    font-family: var(--font-body);
    transition: all 0.3s ease;
    width: 100%;
}

.sim-input:focus, .sim-textarea:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.sim-textarea {
    background: #1e1b2e;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 0.8rem;
    color: #94a3b8;
    resize: none;
    height: 95px;
    font-family: var(--font-body);
    line-height: 1.4;
    width: 100%;
}

.btn-save-local {
    width: 100%;
    background: #10b981;
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.88rem;
    padding: 11px;
    border-radius: 8px;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    margin-top: 8px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.btn-save-local:hover {
    background: #059669;
    transform: translateY(-1px);
}

.mockup-footer-note {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.65rem;
    color: #64748b;
    line-height: 1.4;
    text-align: left;
    margin-top: 4px;
}

.mockup-footer-note i {
    font-size: 0.85rem;
    margin-top: 2px;
}

/* Ma Lettre tab items */
.ai-simulation {
    display: flex;
    flex-direction: column;
    gap: 10px;
    height: 100%;
}

.ai-inputs {
    display: flex;
    gap: 12px;
}

.ai-input-half {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.wtf-field[readonly] {
    background: rgba(30, 27, 46, 0.6);
    border-color: rgba(255, 255, 255, 0.04);
    color: #8b5cf6; /* Highlight WTF field in light violet */
    cursor: not-allowed;
    font-weight: 600;
}

textarea.wtf-field[readonly] {
    color: #94a3b8;
    height: 70px;
    font-weight: 400;
}

.ai-output-box {
    flex: 1;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 12px;
    font-size: 0.72rem;
    color: #cbd5e1;
    overflow-y: auto;
    font-family: monospace;
    white-space: pre-wrap;
    line-height: 1.45;
    position: relative;
    max-height: 180px;
    min-height: 140px;
    text-align: left;
}

.ai-output-placeholder {
    color: #475569;
    font-style: italic;
}

.mockup-btn {
    width: 100%;
    padding: 11px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s ease;
    text-align: center;
}

.btn-ai-generate {
    background: linear-gradient(135deg, var(--accent) 0%, #c084fc 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(217, 70, 239, 0.3);
}

.btn-ai-generate:hover {
    transform: translateY(-1px);
}

.word-export-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 8px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    margin-top: 4px;
    opacity: 0;
    transform: translateY(5px);
    transition: all 0.3s ease;
}

.word-export-badge.show {
    opacity: 1;
    transform: translateY(0);
}
.security-item i {
    color: #10b981;
}

/* --- Section Title --- */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 64px auto;
}
.section-tag {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--primary);
    margin-bottom: 12px;
    display: inline-block;
}
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}
.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
}

/* --- Features Section --- */
.features {
    padding: 100px 0;
    position: relative;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.feature-card {
    border-radius: var(--radius-md);
    padding: 36px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.feature-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
}
.feature-icon-wrapper i {
    font-size: 1.4rem;
}
.f-icon-blue i { color: var(--secondary); }
.f-icon-purple i { color: var(--primary); }
.f-icon-magenta i { color: var(--accent); }
.f-icon-green i { color: #10b981; }

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
    font-weight: 600;
}
.feature-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- Security / local-first focus --- */
.privacy-focus {
    padding: 100px 0;
    position: relative;
}
.privacy-card {
    border-radius: var(--radius-lg);
    padding: 60px;
    border: 1.5px solid rgba(16, 185, 129, 0.15);
    background: linear-gradient(135deg, rgba(18, 14, 36, 0.7) 0%, rgba(13, 27, 24, 0.7) 100%);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(16, 185, 129, 0.05);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: center;
}
.privacy-visual {
    display: flex;
    justify-content: center;
    position: relative;
}
.privacy-visual-glow {
    position: absolute;
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, rgba(7, 5, 15, 0) 70%);
    z-index: -1;
}
.privacy-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    width: 100%;
    max-width: 300px;
}
.diag-node {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 12px 20px;
    border-radius: 12px;
    width: 100%;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.diag-node-local {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.3);
    color: #34d399;
}
.diag-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    gap: 4px;
}
.diag-arrow i {
    animation: bounce-down 2s infinite;
}
.privacy-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}
.privacy-content p {
    font-size: 1.05rem;
    margin-bottom: 28px;
}
.privacy-points {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.priv-point {
    display: flex;
    gap: 12px;
}
.priv-point i {
    color: #34d399;
    font-size: 1.25rem;
    margin-top: 3px;
}
.priv-point-title {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 4px;
    color: var(--text-primary);
}
.priv-point-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* --- How it works --- */
.how-it-works {
    padding: 100px 0;
    position: relative;
}
.steps-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.step-card {
    border-radius: var(--radius-md);
    padding: 40px;
    position: relative;
}
.step-num {
    font-size: 3rem;
    font-weight: 800;
    font-family: var(--font-heading);
    color: rgba(99, 102, 241, 0.1);
    position: absolute;
    top: 20px;
    right: 30px;
}
.step-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 12px;
    margin-bottom: 12px;
}
.step-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* --- Pricing Section --- */
.pricing {
    padding: 100px 0;
    position: relative;
}
.pricing-card {
    max-width: 500px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
    border: 1.5px solid rgba(139, 92, 246, 0.25);
    background: linear-gradient(180deg, rgba(23, 19, 46, 0.8) 0%, rgba(13, 10, 27, 0.8) 100%);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(139, 92, 246, 0.1);
    position: relative;
    overflow: hidden;
}
.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}
.pricing-badge {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.15), rgba(217, 70, 239, 0.15));
    color: #d946ef;
    border: 1px solid rgba(217, 70, 239, 0.2);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
    display: inline-block;
}
.price-value-container {
    margin-bottom: 24px;
}
.price-currency {
    font-size: 1.5rem;
    font-weight: 700;
    vertical-align: super;
    margin-right: 2px;
}
.price-value {
    font-size: 3.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    letter-spacing: -0.03em;
}
.price-period {
    font-size: 0.95rem;
    color: var(--text-muted);
}
.price-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}
.pricing-features-list {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}
.pricing-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
}
.pricing-feature i {
    color: #22d3ee;
    font-size: 1.1rem;
}
.pricing-payment-icons {
    margin-top: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--text-muted);
    font-size: 0.8rem;
}
.pricing-payment-icons span {
    display: flex;
    align-items: center;
    gap: 6px;
}
.pricing-payment-icons i {
    font-size: 1.1rem;
}

/* --- CTA Banner --- */
.cta-banner {
    padding: 80px 0;
    position: relative;
}
.cta-box {
    border-radius: var(--radius-lg);
    padding: 60px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(217, 70, 239, 0.05) 100%);
    border: 1px solid var(--border-glow);
    position: relative;
    overflow: hidden;
}
.cta-box-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(7, 5, 15, 0) 70%);
    z-index: -1;
}
.cta-box h2 {
    font-size: 2.25rem;
    margin-bottom: 16px;
    max-width: 600px;
}
.cta-box p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
}

/* --- Footer --- */
footer {
    background: #04020a;
    border-top: 1px solid var(--border-color);
    padding: 64px 0 32px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 64px;
    margin-bottom: 48px;
}
.footer-logo-desc {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 320px;
}
.footer-desc {
    font-size: 0.85rem;
    line-height: 1.6;
}
.footer-col-title {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-links a {
    color: var(--text-secondary);
    transition: var(--transition-fast);
    font-size: 0.85rem;
}
.footer-links a:hover {
    color: var(--text-primary);
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}
.copyright {
    font-size: 0.8rem;
    color: var(--text-muted);
}
.creator-credit {
    font-size: 0.8rem;
    color: var(--text-muted);
}
.creator-credit a {
    color: var(--text-secondary);
    font-weight: 500;
}
.creator-credit a:hover {
    color: var(--primary);
}

/* --- Keyframe Animations --- */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
}

@keyframes bounce-down {
    0%, 100%, 20%, 50%, 80% { transform: translateY(0); }
    40% { transform: translateY(-6px); }
    60% { transform: translateY(-3px); }
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    .hero-content {
        align-items: center;
    }
    .hero-title {
        font-size: 3rem;
    }
    .hero-ctas {
        justify-content: center;
    }
    .features-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .privacy-card {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 40px;
    }
    .steps-container {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 12px 0;
    }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 24px;
        right: 24px;
        background: rgba(13, 10, 27, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 24px;
        flex-direction: column;
        gap: 16px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    }
    .nav-links.open {
        display: flex;
    }
    .nav-cta {
        display: none;
    }
    .menu-toggle {
        display: flex;
    }
    .hero-title {
        font-size: 2.25rem;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .privacy-points {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
}