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

:root {
    --primary: #667EEA;
    --primary-dark: #5568D3;
    --secondary: #764BA2;
    --text-dark: #1A202C;
    --text-light: #718096;
    --bg-light: #F7FAFC;
    --bg-white: #FFFFFF;
    --success: #48BB78;
    --border: #E2E8F0;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 20px;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary);
}

.btn-download {
    background: var(--primary);
    color: white !important;
    padding: 10px 24px;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-download:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 56px;
    font-weight: 700;
    color: white;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-text p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    line-height: 1.6;
}

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

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: white;
    color: var(--primary);
    padding: 16px 32px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: 16px 32px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: white;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    text-align: left;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: white;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.hero-image {
    position: relative;
}

.phone-mockup {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.phone-mockup .screenshot {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: contain;
    border-radius: 40px;
    /* box-shadow: 0 40px 80px rgba(0, 0, 0, 0.3); */
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-light);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    border-radius: 24px;
    padding: 32px;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.feature-img {
    width: 100%;
    border-radius: 16px;
    margin-top: 16px;
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
    background: white;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 80px;
    margin-top: 64px;
}

.step {
    display: grid;
    grid-template-columns: 80px 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.step-reverse {
    grid-template-columns: 80px 1fr 1fr;
}

.step-reverse .step-content {
    order: 2;
}

.step-reverse .step-image {
    order: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3);
}

.step-content h3 {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.step-content p {
    font-size: 18px;
    color: var(--text-light);
    line-height: 1.6;
}

.step-image {
    position: relative;
}

.step-image img {
    width: 100%;
    border-radius: 24px;
    box-shadow: var(--shadow);
}

/* Privacy Section */
.privacy-highlight {
    padding: 100px 0;
    background: linear-gradient(135deg, #F7FAFC 0%, #E6F4F1 100%);
}

.privacy-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
}

.privacy-text h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.privacy-text p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.6;
}

.privacy-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.privacy-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    color: var(--text-dark);
    font-weight: 500;
}

.privacy-badge {
    text-align: center;
}

.privacy-badge p {
    margin-top: 16px;
    font-size: 18px;
    font-weight: 600;
    color: var(--success);
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    bottom: -250px;
    left: -250px;
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 48px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.btn-large {
    font-size: 18px;
    padding: 20px 48px;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-brand img {
    width: 48px;
    height: 48px;
    border-radius: 12px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: white;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* Legal Pages */
.legal-page {
    padding: 140px 0 80px;
    background: var(--bg-light);
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 60px;
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.legal-content h1 {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.legal-date {
    color: var(--text-light);
    font-size: 16px;
    margin-bottom: 40px;
}

.legal-content h2 {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-dark);
    margin-top: 40px;
    margin-bottom: 16px;
}

.legal-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-top: 24px;
    margin-bottom: 12px;
}

.legal-content p {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.legal-content ul,
.legal-content ol {
    margin-left: 24px;
    margin-bottom: 16px;
    color: var(--text-light);
    line-height: 1.8;
}

.legal-content li {
    margin-bottom: 8px;
}

.legal-content a {
    color: var(--primary);
    text-decoration: none;
}

.legal-content a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 42px;
    }

    .hero-image {
        max-width: 400px;
        margin: 0 auto;
    }

    .step,
    .step-reverse {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .step-reverse .step-content,
    .step-reverse .step-image {
        order: 0;
    }

    .privacy-content {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .nav-links {
        gap: 16px;
    }

    .nav-links a:not(.btn-download) {
        display: none;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-text h1 {
        font-size: 36px;
    }

    .hero-text p {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        gap: 32px;
    }

    .section-header h2 {
        font-size: 32px;
    }

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

    .features,
    .how-it-works,
    .privacy-highlight,
    .cta {
        padding: 60px 0;
    }

    .cta-content h2 {
        font-size: 36px;
    }

    .legal-content {
        padding: 40px 24px;
    }

    .legal-content h1 {
        font-size: 32px;
    }
}