@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary: #1e3a8a;
    --primary-light: #3b82f6;
    --primary-dark: #1e1b4b;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
}

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

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}


.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
}

.logo i {
    font-size: 32px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

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

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    font-family: inherit;
    text-align: center;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 10px rgba(30, 58, 138, 0.2);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(30, 58, 138, 0.3);
}

.btn-accent {
    background: var(--accent);
    color: var(--white);
    box-shadow: 0 4px 10px rgba(245, 158, 11, 0.2);
}

.btn-accent:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(245, 158, 11, 0.3);
}

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

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

/* Hero Section */
.hero {
    position: relative;
    padding-top: 150px;
    padding-bottom: 150px;
    background: linear-gradient(rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.8)), url('https://images.unsplash.com/photo-1523050335102-c325091458fd?auto=format&fit=crop&w=1920&q=80') center/cover;
    min-height: 90vh;
    display: flex;
    align-items: center;
    color: var(--white);
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 0.8s ease-out;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 25px;
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 650px;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

/* Stats Section */
.stats-section {
    position: relative;
    margin-top: -80px;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
}

.stat-card {
    background: var(--white);
    padding: 35px;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    text-align: center;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-10px);
}

.stat-card i {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 15px;
    display: inline-block;
}

.stat-card h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-card p {
    color: var(--text-muted);
    font-weight: 500;
}

/* Features Section */
.features-section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 15px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 45px;
    border-radius: 24px;
    border: 1px solid #f1f5f9;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: var(--primary);
    opacity: 0;
    transition: 0.3s;
}

.feature-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: rgba(30, 58, 138, 0.05);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    color: var(--primary);
    font-size: 32px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--primary-dark);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.7;
}

/* AI Chat Widget */
.ai-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.ai-toggle {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border: none;
    box-shadow: 0 10px 20px rgba(30, 58, 138, 0.3);
    cursor: pointer;
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.ai-toggle:hover {
    transform: scale(1.1) rotate(5deg);
}

.chat-panel {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    height: 500px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    display: none;
    flex-direction: column;
    overflow: hidden;
    transform-origin: bottom right;
    animation: scaleIn 0.3s ease-out;
}

.chat-panel.active {
    display: flex;
}

.chat-header {
    background: var(--primary);
    padding: 20px;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 15px;
}

.chat-header i {
    font-size: 24px;
}

.chat-body {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.chat-input {
    padding: 20px;
    border-top: 1px solid #f1f5f9;
    display: flex;
    gap: 10px;
}

.chat-input input {
    flex: 1;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    outline: none;
}

/* Footer */
footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 100px 0 50px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-brand h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.footer-brand p {
    opacity: 0.7;
    margin-bottom: 20px;
}

.footer-links h4 {
    font-size: 18px;
    margin-bottom: 25px;
}

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

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

.footer-links a {
    color: var(--white);
    opacity: 0.7;
    text-decoration: none;
    transition: 0.3s;
}

.footer-links a:hover {
    opacity: 1;
    padding-left: 5px;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    opacity: 0.5;
    font-size: 14px;
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

/* Responsive */
@media (max-width: 992px) {
    .nav-links { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .hero { text-align: center; }
    .hero-btns { justify-content: center; }
    .features-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 3rem; }
}

@media (max-width: 480px) {
    .nav-btns { display: none; }
    .hero h1 { font-size: 2.2rem; }
    .stat-card { padding: 25px; }
    .chat-panel { width: calc(100vw - 40px); right: -10px; }
}