:root {
    /* Color Palette */
    --primary: #0066FF;
    --primary-dark: #0052cc;
    --primary-light: #4DA3FF;
    --secondary: #00C2FF;
    --text-main: #0F172A;
    --text-muted: #475569;
    --text-light: #94A3B8;
    --bg-white: #FFFFFF;
    --bg-light: #F8FAFC;
    --border-color: #E2E8F0;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 20px rgba(0, 102, 255, 0.3);

    /* Spacing */
    --container-max-width: 1200px;
    --header-height: 70px;
    
    /* Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

/* Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(0, 102, 255, 0.2);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 10px 15px -3px rgba(0, 102, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-muted);
}

.btn-secondary:hover {
    color: var(--primary);
}

.btn-outline {
    border: 2px solid var(--border-color);
    color: var(--text-main);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* Navbar */
.navbar {
    height: var(--header-height);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
}

.nav-container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--text-main);
    gap: 10px;
}

.logo-icon {
    color: var(--primary);
    display: flex;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a:not(.btn) {
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.nav-links a:not(.btn):hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 80px;
    position: relative;
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 120%;
    background: radial-gradient(circle, rgba(0, 194, 255, 0.1) 0%, rgba(0, 102, 255, 0.05) 40%, transparent 70%);
    z-index: -1;
    filter: blur(80px);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Hero Image & Animations */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.image-wrapper {
    position: relative;
    max-width: 400px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.floating-badge {
    position: absolute;
    background: white;
    padding: 10px 16px;
    border-radius: 50px;
    box-shadow: var(--shadow-lg);
    font-weight: 600;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 2;
    animation: pulse-badge 4s infinite;
}

@keyframes pulse-badge {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.badge-1 {
    top: 20%;
    left: -40px;
}

.badge-2 {
    bottom: 25%;
    right: -30px;
    animation-delay: 2s;
}

.icon {
    font-size: 1.2rem;
}

/* Features Section */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.125rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.bg-blue-100 { background: #E0F2FE; }
.text-primary { color: var(--primary); }
.bg-green-100 { background: #DCFCE7; }
.text-green { color: #16A34A; }
.bg-purple-100 { background: #F3E8FF; }
.text-purple { color: #9333EA; }

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
}

/* Privacy Section */
.bg-light {
    background-color: var(--bg-light);
}

.two-col-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
}

.feature-list {
    margin: 32px 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    color: var(--text-main);
}

.check-icon {
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

.grid-image {
    display: flex;
    justify-content: center;
}

.glow-image {
    filter: drop-shadow(0 0 30px rgba(0, 194, 255, 0.4));
    max-width: 400px;
}

/* How It Works */
.steps-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    gap: 32px;
}

.step-item {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 24px;
    box-shadow: 0 0 0 8px #E0F2FE;
}

.step-connector {
    flex: 1;
    height: 2px;
    background: var(--border-color);
    margin-top: 24px;
}

.step-item h3 {
    margin-bottom: 12px;
}

.step-item p {
    color: var(--text-muted);
}

/* Footer */
.footer {
    background: #0F172A;
    color: white;
    padding: 80px 0 32px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
    flex-wrap: wrap;
    gap: 40px;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 800;
    display: block;
    margin-bottom: 12px;
}

.brand-sub {
    color: #94A3B8;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.link-group h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1rem;
}

.link-group a {
    display: block;
    color: #94A3B8;
    margin-bottom: 12px;
}

.link-group a:hover {
    color: white;
}

.sm-text {
    color: #64748B;
    font-size: 0.875rem;
    display: block;
    margin-top: 12px;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid #1E293B;
    text-align: center;
    color: #64748B;
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 968px) {
    .hero-container, .two-col-section {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        margin: 0 auto 32px;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .badge-1 { left: 0; }
    .badge-2 { right: 0; }

    .steps-container {
        flex-direction: column;
        align-items: center;
    }

    .step-connector {
        display: none;
    }

    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* In a real app we'd add a hamburger menu */
    }
    
    .nav-container {
        justify-content: center;
    }
}