:root {
    --primary: #0066ff;
    --primary-dark: #0052cc;
    --secondary: #00a8cc;
    --accent: #8b5cf6;
    --background: #ffffff;
    --foreground: #1e293b;
    --muted: #f1f5f9;
    --muted-foreground: #64748b;
    --border: #e2e8f0;
    --success: #10b981;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--foreground);
    background-color: var(--background);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 0 1.5rem;
}

@media (max-width: 767px) {
    .navbar {
        padding: 0 1rem;
    }
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--foreground);
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 0.875rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: bold;
}

.nav-links {
    display: none;
    gap: 2rem;
}

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

/* Mobile Menu */
.mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    color: var(--foreground);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu {
    position: fixed;
    top: 4rem;
    left: 0;
    right: 0;
    background: var(--background);
    border-top: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 1rem;
    display: none;
    z-index: 40;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu a, .mobile-menu button {
    display: block;
    width: 100%;
    padding: 0.75rem;
    text-align: center;
    text-decoration: none;
    color: var(--foreground);
    font-weight: 500;
    border: none;
    background: none;
    cursor: pointer;
    margin-bottom: 0.5rem;
    border-radius: 0.5rem;
    transition: background-color 0.2s;
}

.mobile-menu a:hover, .mobile-menu button:hover {
    background: var(--muted);
}

.nav-link {
    text-decoration: none;
    color: var(--foreground);
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-cta {
    display: none;
    gap: 1rem;
}

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

.btn {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
    display: inline-block;
    text-align: center;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--foreground);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    background: var(--muted);
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.125rem;
}

.btn-hero {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.btn-hero:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 102, 255, 0.4);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0066ff 0%, #00a8cc 50%, #8b5cf6 100%);
    position: relative;
    overflow: hidden;
    padding-top: 4rem;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(168, 85, 247, 0.1));
}

.hero-content {
    position: relative;
    z-index: 10;
    display: grid;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-text {
    color: white;
    text-align: center;
}

@media (min-width: 1024px) {
    .hero-text {
        text-align: left;
    }
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    line-height: 1.1;
    margin-bottom: 1rem;
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 32rem;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 0.5rem;
}

.feature-icon {
    width: 2rem;
    height: 2rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

@media (min-width: 640px) {
    .hero-cta {
        flex-direction: row;
    }
}

.hero-guarantee {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-top: 1rem;
}

/* Sections */
.section {
    padding: 6rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 1rem;
}

@media (min-width: 1024px) {
    .section-title {
        font-size: 3rem;
    }
}

.section-description {
    font-size: 1.25rem;
    text-align: center;
    color: var(--muted-foreground);
    max-width: 48rem;
    margin: 0 auto 4rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    gap: 2rem;
    margin-top: 4rem;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    background: var(--background);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.feature-card-icon {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.feature-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-highlight {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 1rem;
    margin-bottom: 0.75rem;
}

/* Benefits Section */
.benefits {
    background: var(--muted);
}

.benefits-content {
    display: grid;
    gap: 4rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .benefits-content {
        grid-template-columns: 1fr 1fr;
    }
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--background);
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.benefit-check {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--success);
    flex-shrink: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--background);
    border-radius: 0.75rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary);
}

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

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
}

@media (min-width: 1024px) {
    .cta-title {
        font-size: 3.75rem;
    }
}

.cta-description {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 3rem;
    max-width: 32rem;
    margin-left: auto;
    margin-right: auto;
}

.cta-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
}

.cta-feature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .cta-buttons {
        flex-direction: row;
    }
}

.btn-white {
    background: white;
    color: var(--primary);
}

.btn-white:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Footer */
.footer {
    background: var(--muted);
    border-top: 1px solid var(--border);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    gap: 2rem;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-section h3 {
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--muted-foreground);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.footer-section a:hover {
    color: var(--primary);
}

.footer-bottom {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Icons */
.icon {
    width: 1.25rem;
    height: 1.25rem;
    display: inline-block;
}

.icon-lg {
    width: 1.5rem;
    height: 1.5rem;
}

.link-button {
    background: none;
    border: none;
    color: inherit;
    text-decoration: none;
    cursor: pointer;
    padding: 0;
    font: inherit;
}

.link-button:hover {
    text-decoration: underline;
}

/* Mobile tweaks */
@media (max-width: 767px) {
    .container { padding: 0 1rem; }
    .nav-content { height: 3.5rem; }
    .nav-cta { display: flex; gap: 0.5rem; flex-shrink: 0; }
    .nav-login-btn { display: none !important; }
    .btn { padding: 0.4rem 0.75rem; font-size: 0.875rem; }
    .btn-lg { padding: 0.6rem 1rem; font-size: 1rem; }
    .hero { min-height: auto; padding: 6rem 0 3rem; }
    .hero-content { gap: 2rem; }
    .hero-text { text-align: center; }
    .hero-title { font-size: 2rem; }
    .hero-description { font-size: 1rem; }
    .hero-features { grid-template-columns: 1fr; }
    .section { padding: 3rem 0; }
    .section-title { font-size: 2rem; }
    .section-description { font-size: 1rem; margin-bottom: 2rem; }
    .features-grid { grid-template-columns: 1fr; margin-top: 2rem; }
    .benefits-content { gap: 2rem; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
    .stat-card { padding: 1rem; }
    .cta-title { font-size: 2rem; }
    .cta-description { font-size: 1rem; }
    .cta-features { grid-template-columns: 1fr; }
    .footer { padding: 2rem 0 1.5rem; }
    .footer-content { gap: 1rem; }
    .footer-bottom { font-size: 0.75rem; }
}

@media (max-width: 360px) {
    .hero-title { font-size: 1.75rem; }
    .btn { font-size: 0.8rem; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}