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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a2e;
    background: #f8fafc;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.highlight {
    color: #2563eb;
}

/* Landing Page Navbar */
.navbar-landing {
    background: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar-landing .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: #1a1a2e;
}

.brand-icon {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-menu a {
    color: #4a4a6a;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #2563eb;
}

.btn-login {
    background: #2563eb;
    color: white !important;
    padding: 8px 24px;
    border-radius: 50px;
    font-weight: 600 !important;
    transition: all 0.3s;
}

.btn-login:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #1a1a2e;
}

.hero-text p {
    font-size: 1.2rem;
    color: #4a4a6a;
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.btn-primary {
    background: #2563eb;
    color: white;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: white;
    color: #2563eb;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    border: 2px solid #2563eb;
}

.btn-secondary:hover {
    background: #2563eb;
    color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 48px;
    font-size: 1.1rem;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: #1a1a2e;
}

.stat-label {
    color: #6b6b8a;
    font-size: 0.9rem;
}

/* Hero Image / Preview */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.checklist-preview {
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

.preview-header {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #f0f0f5;
}

.preview-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f5;
}

.preview-item:last-child {
    border-bottom: none;
}

.check-icon {
    font-size: 1.2rem;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    color: #1a1a2e;
}

.section-header p {
    color: #6b6b8a;
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #f8fafc;
    padding: 30px;
    border-radius: 16px;
    transition: all 0.3s;
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: #2563eb;
    box-shadow: 0 10px 40px rgba(37, 99, 235, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #1a1a2e;
}

.feature-card p {
    color: #6b6b8a;
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 80px 0;
    background: #f8fafc;
}

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

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: #1a1a2e;
}

.about-text p {
    color: #4a4a6a;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.about-features {
    margin-top: 20px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-weight: 500;
}

.about-image .image-placeholder {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 20px;
    padding: 60px;
    text-align: center;
    color: white;
    font-size: 4rem;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a1a2e, #2563eb);
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.cta p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta .btn-primary {
    background: white;
    color: #2563eb;
}

.cta .btn-primary:hover {
    background: #f8fafc;
    box-shadow: 0 8px 24px rgba(255,255,255,0.3);
}

/* Footer */
.footer {
    background: #1a1a2e;
    color: white;
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .brand-name {
    font-size: 1.5rem;
    font-weight: 800;
    margin-left: 10px;
}

.footer-brand p {
    color: #8a8aaa;
    margin-top: 5px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: #8a8aaa;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    color: #6b6b8a;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content,
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

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

    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }

    .navbar-landing .container {
        flex-direction: column;
        gap: 10px;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}