/* =========================================
   MODERN LIGHT THEME - HOMEPAGE & AUTH
   ========================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary: #5e5ce6;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --accent: #22d3ee;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #1e293b;
    --gray: #64748b;
    --light: #f1f5f9;
    --white: #ffffff;
    --gradient-1: linear-gradient(135deg, #5e5ce6 0%, #7c3aed 50%, #a855f7 100%);
    --gradient-2: linear-gradient(135deg, #0ea5e9 0%, #5e5ce6 100%);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

/* Modern Navbar */
.modern-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    background: var(--white);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

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

.navbar-menu a {
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Buttons */
.btn-modern {
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(94, 92, 230, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(94, 92, 230, 0.4);
}

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

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

/* Hero Section */
.hero-modern {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.hero-modern::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(94, 92, 230, 0.1) 0%, transparent 70%);
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.hero-content h1 span {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--gray);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 800;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray);
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-card {
    background: var(--white);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border: 1px solid rgba(0,0,0,0.05);
}

.floating-card {
    position: absolute;
    background: var(--white);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(1) { top: -20px; right: -40px; }
.floating-card:nth-child(2) { bottom: 20%; left: -60px; animation-delay: 2s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Features Section */
.features-modern {
    padding: 5rem 2rem;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(94, 92, 230, 0.1);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--dark);
}

.section-header p {
    font-size: 1rem;
    color: var(--gray);
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--light);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(94, 92, 230, 0.1);
}

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    margin-bottom: 1.25rem;
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.feature-card p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Pricing Section */
.pricing-modern {
    padding: 5rem 2rem;
    background: var(--light);
}

.pricing-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.pricing-card {
    background: var(--white);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.pricing-card.popular {
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(94, 92, 230, 0.2);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-1);
    padding: 0.4rem 1.25rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.pricing-card h3 { font-size: 1.35rem; font-weight: 700; color: var(--dark); }
.pricing-card .price { font-size: 2.5rem; font-weight: 800; margin: 1.25rem 0; color: var(--dark); }
.pricing-card .price span { font-size: 1rem; color: var(--gray); font-weight: 400; }

.pricing-features {
    list-style: none;
    margin: 1.5rem 0;
}

.pricing-features li {
    padding: 0.6rem 0;
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.pricing-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: bold;
}

/* Footer */
.footer-modern {
    padding: 3rem 2rem 1.5rem;
    background: var(--dark);
    color: var(--white);
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 2rem;
}

.footer-brand p { color: rgba(255,255,255,0.6); margin-top: 1rem; font-size: 0.9rem; }

.footer-links h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 1.25rem; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.9rem; }
.footer-links a:hover { color: var(--white); }

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255,255,255,0.6);
    font-size: 0.85rem;
}

/* Auth Pages - Light Theme */
.auth-page {
    min-height: 100vh;
    display: flex;
    background: var(--light);
}

.auth-visual {
    flex: 1;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    position: relative;
}

.auth-visual::before {
    content: '';
    position: absolute;
    top: 20%;
    right: 10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(94, 92, 230, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.auth-visual-content { text-align: center; max-width: 400px; position: relative; z-index: 1; }
.auth-visual-content h2 { font-size: 2rem; font-weight: 800; margin-bottom: 1rem; background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.auth-visual-content p { color: var(--gray); }

.visual-cards { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }
.visual-card { background: var(--white); border-radius: 12px; padding: 1rem 1.25rem; display: flex; align-items: center; gap: 0.75rem; box-shadow: 0 4px 15px rgba(0,0,0,0.08); }
.visual-card i { width: 36px; height: 36px; background: var(--gradient-1); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: white; }

.auth-form-side { flex: 1; display: flex; align-items: center; justify-content: center; padding: 3rem; background: var(--white); }
.auth-form-box { width: 100%; max-width: 420px; }
.auth-form-box h1 { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--dark); }
.auth-form-box > p { color: var(--gray); margin-bottom: 2rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 0.4rem; color: var(--gray); }

.form-input {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--light);
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    color: var(--dark);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(94, 92, 230, 0.1);
    background: var(--white);
}

.form-input::placeholder { color: #94a3b8; }

.btn-submit {
    width: 100%;
    padding: 0.9rem;
    background: var(--gradient-1);
    border: none;
    border-radius: 10px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(94, 92, 230, 0.4);
}

.form-footer { text-align: center; margin-top: 1.5rem; color: var(--gray); }
.form-footer a { color: var(--primary); text-decoration: none; font-weight: 500; }

.alert { padding: 1rem; border-radius: 10px; margin-bottom: 1.25rem; display: flex; align-items: center; gap: 0.6rem; }
.alert-error { background: rgba(239, 68, 68, 0.1); color: #ef4444; }
.alert-success { background: rgba(16, 185, 129, 0.1); color: #10b981; }

.form-links { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.25rem; font-size: 0.85rem; }
.form-links label { display: flex; align-items: center; gap: 0.4rem; color: var(--gray); cursor: pointer; }
.form-links a { color: var(--primary); text-decoration: none; }

.features-list { margin-top: 1.5rem; text-align: left; }
.feature-item { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem; background: var(--white); border-radius: 10px; margin-bottom: 0.75rem; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.feature-item i { width: 32px; height: 32px; background: var(--gradient-1); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: white; font-size: 0.85rem; }
.feature-item span { color: var(--dark); font-size: 0.9rem; font-weight: 500; }

/* Responsive */
@media (max-width: 1024px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-content p { margin: 0 auto 2rem; }
    .hero-buttons, .hero-stats { justify-content: center; }
    .hero-visual { display: none; }
    .features-grid, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .auth-visual { display: none; }
}

@media (max-width: 768px) {
    .modern-navbar { padding: 0.75rem 1rem; }
    .navbar-menu { display: none; }
    .hero-modern { padding: 5rem 1rem 3rem; }
    .hero-content h1 { font-size: 2.25rem; }
    .hero-buttons { flex-direction: column; }
    .btn-modern { width: 100%; justify-content: center; }
    .hero-stats { flex-direction: column; gap: 1.25rem; }
    .features-modern, .pricing-modern { padding: 3rem 1rem; }
    .section-header h2 { font-size: 1.75rem; }
    .features-grid, .pricing-grid { grid-template-columns: 1fr; }
    .pricing-card.popular { transform: none; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-bottom { flex-direction: column; gap: 1rem; }
    .auth-form-side { padding: 2rem 1.25rem; }
    .form-row { grid-template-columns: 1fr; }
}