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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    --border-radius: 12px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
}

/* Header / Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 72px;
}

.navbar-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.navbar-logo {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    object-fit: cover;
}

.navbar-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-900);
}

.navbar-title span {
    color: var(--primary-color);
}

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

.navbar-link {
    color: var(--gray-600);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}

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

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

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

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

.btn-outline {
    background: transparent;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

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

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

.btn-white:hover {
    background: var(--gray-50);
}

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

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

.btn-block {
    width: 100%;
}

/* Hero Section */
.hero {
    padding: 160px 24px 100px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 580px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 52px;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-title span {
    color: var(--primary-color);
}

.hero-description {
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--gray-200);
}

.hero-stat {
    text-align: left;
}

.hero-stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--gray-900);
}

.hero-stat-label {
    font-size: 14px;
    color: var(--gray-500);
    margin-top: 4px;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    max-width: 600px;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}

/* Features Section */
.features {
    padding: 100px 24px;
    background: var(--white);
}

.features-container {
    max-width: 1280px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.section-description {
    font-size: 18px;
    color: var(--gray-600);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--gray-50);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}

.feature-icon.purple {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.feature-icon.green {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.feature-icon.orange {
    background: rgba(245, 158, 11, 0.1);
    color: var(--secondary-color);
}

.feature-icon.blue {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.feature-icon.pink {
    background: rgba(236, 72, 153, 0.1);
    color: #ec4899;
}

.feature-icon.cyan {
    background: rgba(6, 182, 212, 0.1);
    color: #06b6d4;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.feature-description {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: 100px 24px;
    background: var(--gray-50);
}

.pricing-container {
    max-width: 1280px;
    margin: 0 auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 32px;
    border: 2px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured::before {
    content: 'Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--white);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.pricing-name {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.pricing-description {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 24px;
}

.pricing-price {
    margin-bottom: 24px;
}

.pricing-amount {
    font-size: 40px;
    font-weight: 700;
    color: var(--gray-900);
}

.pricing-period {
    font-size: 15px;
    color: var(--gray-500);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--gray-600);
    padding: 8px 0;
}

.pricing-features li i {
    color: var(--success-color);
    font-size: 16px;
}

/* CTA Section */
.cta {
    padding: 100px 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    text-align: center;
}

.cta-container {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 60px 24px 30px;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

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

.footer-logo span {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
}

.footer-description {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--gray-800);
    color: var(--gray-400);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-color);
    color: var(--white);
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--gray-800);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    font-size: 14px;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

/* Auth Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    padding: 40px 24px;
}

/* Single column auth card (for login, register, forgot-password, etc.) */
.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 40px;
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo {
    display: inline-block;
    margin-bottom: 24px;
}

.auth-logo img {
    width: 64px;
    height: 64px;
    border-radius: 16px;
}

.auth-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.auth-header p {
    font-size: 14px;
    color: var(--gray-500);
}

.auth-form {
    margin-bottom: 24px;
}

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

.auth-form .form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.auth-form .input-group {
    position: relative;
}

.auth-form .input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 16px;
}

.auth-form .input-group input {
    width: 100%;
    padding: 12px 14px 12px 42px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 14px;
    color: var(--gray-900);
    transition: var(--transition);
}

.auth-form .input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.auth-form .input-group input::placeholder {
    color: var(--gray-400);
}

.auth-form .error-text {
    display: block;
    font-size: 12px;
    color: var(--danger-color);
    margin-top: 6px;
}

.auth-footer {
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid var(--gray-100);
}

.auth-footer p {
    font-size: 14px;
    color: var(--gray-500);
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

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

/* Two-column auth layout (for registration with marketing side) */
.auth-container.two-column {
    padding: 0;
}

.auth-left {
    flex: 1;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 60px;
    position: relative;
    overflow: hidden;
}

.auth-left::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.auth-left-content {
    max-width: 400px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.auth-left-logo {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    margin-bottom: 32px;
}

.auth-left-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.auth-left-description {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

.auth-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
    background: var(--white);
}

.auth-form-container {
    width: 100%;
    max-width: 420px;
}

.auth-form-header {
    margin-bottom: 32px;
}

.auth-form-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.auth-form-subtitle {
    font-size: 15px;
    color: var(--gray-500);
}

.auth-form-subtitle a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

/* Form Elements */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-size: 15px;
    color: var(--gray-900);
    transition: var(--transition);
    background: var(--white);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder {
    color: var(--gray-400);
}

.form-input-icon {
    position: relative;
}

.form-input-icon .form-input {
    padding-left: 48px;
}

.form-input-icon i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 18px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.form-checkbox label {
    font-size: 14px;
    color: var(--gray-600);
}

.form-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.form-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
}

.form-divider::before,
.form-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gray-200);
}

.form-divider span {
    font-size: 13px;
    color: var(--gray-500);
}

/* Select dropdown styling */
select.form-input {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M2.22 4.47a.75.75 0 0 1 1.06 0L6 7.19l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L2.22 5.53a.75.75 0 0 1 0-1.06z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 12px;
    padding-right: 44px;
    cursor: pointer;
}

select.form-input:hover {
    border-color: var(--gray-300);
}

select.form-input:focus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236366f1' d='M2.22 4.47a.75.75 0 0 1 1.06 0L6 7.19l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L2.22 5.53a.75.75 0 0 1 0-1.06z'/%3E%3C/svg%3E");
}

select.form-input option {
    padding: 12px;
    background-color: var(--white);
    color: var(--gray-700);
}

select.form-input option:checked {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

select.form-input:disabled {
    background-color: var(--gray-100);
    cursor: not-allowed;
    opacity: 0.7;
}

/* Alerts */
.alert {
    padding: 14px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.alert i {
    font-size: 18px;
    margin-top: 1px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.alert ul {
    margin: 0;
    padding-left: 20px;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-image {
        display: none;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar-nav {
        display: none;
    }

    .hero-title {
        font-size: 36px;
    }

    .section-title {
        font-size: 32px;
    }

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

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

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

    .auth-left {
        display: none;
    }

    .auth-right {
        padding: 40px 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}