/* Landing Page Styles */
:root {
    --primary-blue: #2563eb;
    --primary-blue-hover: #1d4ed8;
    --bg-dark: #0a0a0f;
    --bg-dark-secondary: #0f0f15;
    --bg-light: #ffffff;
    --text-white: #ffffff;
    --text-gray: #9ca3af;
    --text-dark: #1f2937;
    --text-dark-secondary: #6b7280;
    --cyan: #06b6d4;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ========== HEADER / NAVIGATION ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #fff 0%, #ccc 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--bg-dark);
    font-style: italic;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links {
    display: flex;
    gap: 35px;
    list-style: none;
}

.nav-links a {
    color: var(--text-white);
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0.9;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--primary-blue);
}

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

.nav-login {
    color: var(--text-white);
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-login:hover {
    color: var(--primary-blue);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--primary-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.mobile-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-white);
    transition: var(--transition);
}

/* ========== HERO SECTION ========== */
.hero {
    min-height: 100vh;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 20px 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center top, rgba(37, 99, 235, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    color: var(--text-white);
    line-height: 1.1;
    margin-bottom: 25px;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-gray);
    max-width: 650px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

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

/* ========== FEATURES SECTION ========== */
.features {
    background: var(--bg-light);
    padding: 100px 20px;
}

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

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-dark-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
}

.feature-card {
    text-align: center;
    padding: 20px;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary-blue);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-dark-secondary);
    line-height: 1.7;
}

/* ========== STATS SECTION ========== */
.stats {
    background: var(--bg-dark);
    padding: 100px 20px;
}

.stats-header {
    margin-bottom: 60px;
}

.stats-header h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--text-white);
    max-width: 400px;
    line-height: 1.2;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    border-left: 3px solid rgba(255, 255, 255, 0.2);
    padding-left: 25px;
}

.stat-value {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-gray);
}

/* ========== TESTIMONIALS SECTION ========== */
.testimonials {
    background: var(--bg-light);
    padding: 100px 20px;
    overflow: hidden;
}

.testimonials-header {
    text-align: center;
    margin-bottom: 20px;
}

.testimonials-header h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.testimonials-header p {
    font-size: 1.1rem;
    color: var(--text-dark-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.testimonials-slider {
    position: relative;
    height: 420px;
    overflow: hidden;
    margin-top: 50px;
}

.testimonials-track {
    display: flex;
    flex-direction: column;
    animation: slideUp 20s linear infinite;
}

@keyframes slideUp {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-50%);
    }
}

.testimonials-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    padding: 15px 0;
}

.testimonial-card {
    background: var(--bg-light);
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

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

.stars {
    display: flex;
    gap: 3px;
    margin-bottom: 15px;
}

.star {
    color: var(--cyan);
    font-size: 1.1rem;
}

.star.empty {
    color: #d1d5db;
}

.testimonial-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--text-dark-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
}

.testimonial-author {
    font-size: 0.9rem;
    color: var(--text-dark);
    font-weight: 500;
}

/* ========== CTA SECTION ========== */
.cta {
    background: var(--bg-dark);
    padding: 100px 20px;
    text-align: center;
}

.cta h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 35px;
}

/* ========== FOOTER ========== */
.footer {
    background: var(--bg-dark);
    padding: 80px 20px 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.footer-column h4 {
    color: var(--text-gray);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.footer-column li {
    margin-bottom: 15px;
}

.footer-column a {
    color: var(--text-white);
    font-size: 0.95rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* ========== CHAT WIDGET ========== */
.chat-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.chat-btn {
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 5px 30px rgba(37, 99, 235, 0.4);
    transition: var(--transition);
}

.chat-btn:hover {
    transform: scale(1.1);
}

.chat-btn svg {
    width: 28px;
    height: 28px;
    color: white;
}

/* ========== MOBILE RESPONSIVE ========== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 60px;
    }
    
    .testimonials-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-dark);
        flex-direction: column;
        justify-content: center;
        gap: 40px;
        transform: translateX(100%);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-links {
        flex-direction: column;
        align-items: center;
        gap: 25px;
    }
    
    .nav-links a {
        font-size: 1.2rem;
    }
    
    .nav-actions {
        flex-direction: column;
        gap: 15px;
    }
    
    .mobile-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero {
        padding: 100px 20px 60px;
        min-height: auto;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .stat-item {
        padding-left: 15px;
    }
    
    .stat-value {
        font-size: 1.8rem;
    }
    
    .testimonials-slider {
        height: 350px;
    }
    
    .testimonials-row {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 10px 0;
    }
    
    .testimonial-card {
        padding: 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    .chat-widget {
        bottom: 20px;
        right: 20px;
    }
    
    .chat-btn {
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .stats-header h2 {
        font-size: 1.8rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}