/* Color Palette */
:root {
    --dark: #111;
    --accent: #111;
    --accent-hover: #333;
    --secondary: #888;
    --light-secondary: #e5e5e5;
    --neutral: #f5f5f5;
    --cream: #fff;
}

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

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

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

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

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: white;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Navbar */
.navbar {
    background: white;
    border-bottom: 1px solid var(--light-secondary);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 24px;
    font-weight: 700;
    color: #000;
}

.nav-logo:hover {
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-link {
    color: #000;
    font-weight: 500;
}

.nav-link:hover {
    color: #333;
    text-decoration: none;
}

.nav-user {
    color: var(--dark);
    font-weight: 600;
}

/* Flash Messages */
.flash-messages {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px;
}

.flash {
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 10px;
    font-weight: 500;
}

.flash-success {
    background: #d4edda;
    color: #155724;
}

.flash-error {
    background: #f8d7da;
    color: #721c24;
}

.flash-warning {
    background: #fff3cd;
    color: #856404;
}

.flash-info {
    background: var(--light-secondary);
    color: var(--dark);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--accent) 100%);
    color: white;
    padding: 100px 20px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 22px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.hero-stats {
    margin-bottom: 40px;
    font-size: 18px;
}

.stat {
    display: inline-block;
}

.stat-divider {
    margin: 0 15px;
    opacity: 0.5;
}

.hero-cta {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

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

.hero .btn-primary:hover {
    background: var(--cream);
}

.hero .btn-outline {
    border-color: white;
    color: white;
}

.hero .btn-outline:hover {
    background: white;
    color: var(--accent);
}

/* Minimalist Hero */
.hero-minimal {
    background: white;
    padding: 120px 20px 80px;
    text-align: center;
    position: relative;
}

/* Subtle grid background with crosses */
.hero-minimal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        /* Grid lines */
        linear-gradient(to right, rgba(200, 200, 200, 0.3) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(200, 200, 200, 0.3) 1px, transparent 1px);
    background-size: 160px 160px;
    pointer-events: none;
    z-index: 0;
}

/* Cross markers at grid intersections */
.hero-minimal::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        /* Horizontal bar of cross */
        linear-gradient(to right, transparent 45%, rgba(180, 180, 180, 0.5) 45%, rgba(180, 180, 180, 0.5) 55%, transparent 55%),
        /* Vertical bar of cross */
        linear-gradient(to bottom, transparent 45%, rgba(180, 180, 180, 0.5) 45%, rgba(180, 180, 180, 0.5) 55%, transparent 55%);
    background-size: 160px 10px, 10px 160px;
    background-position: 0 0, 0 0;
    pointer-events: none;
    z-index: 0;
}

.hero-minimal .hero-content {
    position: relative;
    z-index: 1;
}

.hero-minimal h1 {
    font-size: 52px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.hero-minimal .hero-subtitle {
    font-size: 20px;
    color: var(--secondary);
    margin-bottom: 40px;
    font-weight: 400;
}

.hero-minimal .btn-primary {
    padding: 18px 48px;
    font-size: 18px;
    border-radius: 50px;
}

.hero-minimal .hero-stats-inline {
    margin-top: 24px;
    font-size: 14px;
    color: var(--secondary);
}

/* Minimalist Features */
.features-minimal {
    padding: 60px 20px;
    background: var(--cream);
    border-top: 1px solid var(--light-secondary);
}

.features-row {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.feature-item {
    text-align: center;
}

.feature-label {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Features Section */
.features {
    padding: 80px 20px;
    background: white;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: var(--dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    background: var(--cream);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark);
}

.feature-card p {
    color: var(--secondary);
    font-size: 15px;
}

/* How It Works */
.how-it-works {
    padding: 80px 20px;
    background: var(--cream);
}

.how-it-works h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: var(--dark);
}

.steps {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    text-align: center;
    max-width: 250px;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark);
}

.step p {
    color: var(--secondary);
}

/* CTA Section */
.cta-section {
    background: white;
    padding: 80px 20px;
    text-align: center;
}

.cta-section h2 {
    font-size: 32px;
    margin-bottom: 15px;
    color: var(--dark);
}

.cta-section p {
    color: var(--secondary);
    margin-bottom: 30px;
    font-size: 18px;
}

/* Auth Pages */
.auth-container {
    min-height: calc(100vh - 180px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.auth-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(50, 45, 41, 0.1);
    width: 100%;
    max-width: 400px;
}

.auth-card h1 {
    font-size: 28px;
    margin-bottom: 10px;
    text-align: center;
    color: var(--dark);
}

.auth-subtitle {
    color: var(--secondary);
    text-align: center;
    margin-bottom: 30px;
}

.auth-form .form-group {
    margin-bottom: 20px;
}

.auth-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--dark);
}

.auth-form input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--light-secondary);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--accent);
}

.auth-form .btn {
    margin-top: 10px;
}

.auth-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid var(--light-secondary);
    color: var(--secondary);
}

/* Pricing Page */
.pricing-container {
    padding: 60px 20px;
    max-width: 1100px;
    margin: 0 auto;
}

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

.pricing-header h1 {
    font-size: 36px;
    margin-bottom: 10px;
    color: var(--dark);
}

.pricing-header p {
    color: var(--secondary);
    font-size: 18px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: white;
    border: 2px solid var(--light-secondary);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(50, 45, 41, 0.1);
}

.pricing-card.featured {
    border-color: var(--accent);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.pricing-badge.best-value {
    background: var(--dark);
}

.pricing-name {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark);
}

.pricing-price {
    margin-bottom: 10px;
}

.pricing-price .currency {
    font-size: 24px;
    vertical-align: top;
}

.pricing-price .amount {
    font-size: 48px;
    font-weight: 700;
    color: var(--accent);
}

.pricing-price .period {
    color: var(--secondary);
}

.pricing-description {
    color: var(--secondary);
    margin-bottom: 25px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--light-secondary);
    color: var(--dark);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: '\2713';
    color: var(--accent);
    font-weight: bold;
    margin-right: 10px;
}

/* Payment Page */
.payment-container {
    padding: 40px 20px;
    max-width: 500px;
    margin: 0 auto;
}

.payment-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(50, 45, 41, 0.1);
}

.payment-card h1 {
    font-size: 24px;
    margin-bottom: 25px;
    color: var(--dark);
}

.payment-card h3 {
    font-size: 16px;
    color: var(--dark);
    margin-bottom: 15px;
}

.order-summary {
    background: var(--cream);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.order-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--light-secondary);
}

.order-total {
    display: flex;
    justify-content: space-between;
    padding-top: 15px;
    font-weight: 700;
    font-size: 18px;
}

.payment-form .form-group {
    margin-bottom: 20px;
}

.payment-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--dark);
    font-size: 14px;
}

.payment-form input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--light-secondary);
    border-radius: 8px;
    font-size: 16px;
}

.payment-form input:focus {
    outline: none;
    border-color: var(--accent);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.security-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
    color: var(--secondary);
    font-size: 14px;
}

.payment-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--light-secondary);
    color: var(--secondary);
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--light-secondary);
    padding: 30px 20px;
    text-align: center;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .features h2,
    .how-it-works h2 {
        font-size: 28px;
    }

    .steps {
        gap: 40px;
    }

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

    .nav-links {
        gap: 10px;
    }
}