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

:root {
    --primary: #1e73be;
    --primary-dark: #155a8a;
    --secondary: #ff6b35;
    --accent: #4a9fd8;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --white: #ffffff;
    --border: #e5e7eb;
    --success: #10b981;
    --gradient: linear-gradient(135deg, #1e73be 0%, #4a9fd8 100%);
    --gradient-alt: linear-gradient(135deg, #1e73be 0%, #ff6b35 100%);
}

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

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

/* Navigation */
.navbar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.logo-img {
    height: 80px;
    width: auto;
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

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

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

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-outline,
.btn-primary-sm {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(30, 115, 190, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(30, 115, 190, 0.4);
}

.btn-primary-sm {
    padding: 0.5rem 1rem;
    background: var(--gradient);
    color: var(--white) !important;
    font-size: 0.9rem;
}

.btn-primary-sm:hover {
    color: var(--white) !important;
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

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

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

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: var(--white);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-light);
    margin-top: -2rem;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: 5rem 0;
    background: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border-radius: 16px;
    padding: 2.5rem;
    border: 2px solid var(--border);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(30, 115, 190, 0.2);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: var(--white);
    padding: 0.35rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.sold-out-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #dc2626;
    color: var(--white);
    padding: 0.35rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-card.sold-out {
    opacity: 0.7;
    position: relative;
}

.pricing-card.sold-out .pricing-header {
    opacity: 0.6;
}

.pricing-card button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: #9ca3af;
    border-color: #9ca3af;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-light);
    margin-top: 0.5rem;
}

.amount {
    font-size: 4rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1;
}

.duration {
    color: var(--text-light);
    font-size: 0.95rem;
}

.features-list {
    list-style: none;
    margin-bottom: 2rem;
}

.features-list li {
    padding: 0.75rem 0;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border);
}

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

.pricing-card .btn-primary,
.pricing-card .btn-outline {
    width: 100%;
    text-align: center;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-brand .logo-img {
    height: 50px;
    /* filter: brightness(0) invert(1); */
}

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

.footer-links {
    display: flex;
    gap: 3rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
}

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

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Authentication Pages */
.auth-section {
    padding: 4rem 0;
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    background: var(--bg-light);
}

.auth-container {
    max-width: 480px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.auth-header p {
    color: var(--text-light);
    font-size: 1rem;
}

.auth-form {
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
    font-family: 'Inter', sans-serif;
}

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

.form-group small {
    display: block;
    margin-top: 0.375rem;
    color: var(--text-light);
    font-size: 0.875rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.auth-footer {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.auth-footer p {
    color: var(--text-light);
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.alert-error {
    background: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

.alert-success {
    background: #efe;
    color: #363;
    border: 1px solid #cfc;
}

.alert-info {
    background: #e8f4fd;
    color: #1e73be;
    border: 1px solid #b3d9f2;
}

/* Dashboard Styles */
.dashboard-section {
    padding: 3rem 0;
    background: var(--bg-light);
    min-height: calc(100vh - 200px);
}

.dashboard-header {
    margin-bottom: 2.5rem;
}

.dashboard-header h1 {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.dashboard-header p {
    color: var(--text-light);
    font-size: 1.125rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    background: var(--white);
    padding: 1.75rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.stat-content h3 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.stat-content p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.dashboard-card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.card-header h2 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin: 0;
}

.card-body {
    padding: 1.5rem;
}

.action-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.action-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 8px;
    background: var(--bg-light);
    text-decoration: none;
    transition: all 0.3s;
}

.action-item:hover {
    background: #e5e7eb;
    transform: translateX(5px);
}

.action-icon {
    font-size: 1.75rem;
    line-height: 1;
}

.action-content h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.action-content p {
    font-size: 0.875rem;
    color: var(--text-light);
    margin: 0;
}

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

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

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

.info-label {
    font-weight: 600;
    color: var(--text-dark);
}

.info-value {
    color: var(--text-light);
}

.pricing-grid-small {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.pricing-card-small {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    position: relative;
}

.pricing-card-small.sold-out-small {
    opacity: 0.7;
}

.sold-out-badge-small {
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    background: #dc2626;
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-card-small h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.price-small {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.pricing-card-small .btn-primary,
.pricing-card-small .btn-outline {
    width: 100%;
    padding: 0.625rem 1rem;
    font-size: 0.9rem;
}

.nav-user {
    color: var(--text-dark);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary-sm {
    padding: 0.5rem 1rem;
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--border);
    font-size: 0.9rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-secondary-sm:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: transparent;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .nav-wrapper {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .nav-links {
        gap: 0.5rem;
        font-size: 0.85rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-links li {
        margin: 0.25rem 0;
    }

    .btn-primary-sm,
    .btn-secondary-sm {
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
    }

    .nav-user {
        font-size: 0.85rem;
    }

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

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

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .auth-container {
        padding: 2rem;
    }

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

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

    .dashboard-header h1 {
        font-size: 1.75rem;
    }

    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .nav-links {
        font-size: 0.8rem;
        gap: 0.4rem;
    }

    .nav-user {
        display: none;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }
}