:root {
    --primary-color: #2962FF; /* Electric Blue */
    --secondary-color: #FF6D00; /* Vibrant Orange */
    --dark-color: #212121;
    --light-color: #F5F5F5;
    --text-color: #424242;
    --white: #FFFFFF;
}

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

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

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

h1, h2, h3, h4 {
    font-family: 'Poppins', sans-serif;
    color: var(--dark-color);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

/* Header */
header {
    background: var(--white);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--secondary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--dark-color);
}

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

.btn-main {
    background: var(--primary-color);
    color: var(--white) !important;
    padding: 0.7rem 1.8rem;
    border-radius: 5px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(41, 98, 255, 0.3);
}

.btn-main:hover {
    background: #1565C0;
    transform: translateY(-2px);
}

/* Hero */
.hero {
    margin-top: 80px;
    height: 90vh;
    display: flex;
    align-items: center;
    background: url('../images/hero_bg.jpg') center/cover;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.7) 50%, rgba(255,255,255,0.1) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

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

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: #555;
}

/* Features */
.section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: #666;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
    border-bottom: 4px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-bottom-color: var(--secondary-color);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: rgba(41, 98, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* About Section */
.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-img {
    position: relative;
}

.about-img img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.about-img::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: var(--secondary-color);
    z-index: -1;
    border-radius: 10px;
    opacity: 0.1;
}

/* CTA */
.cta-section {
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 5rem 0;
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.btn-white {
    background: var(--white);
    color: var(--primary-color);
    padding: 1rem 2.5rem;
    border-radius: 5px;
    font-weight: 700;
    display: inline-block;
    margin-top: 2rem;
}

.btn-white:hover {
    background: #f0f0f0;
    transform: scale(1.05);
}

/* Footer */
footer {
    background: var(--dark-color);
    color: #999;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-col ul li {
    list-style: none;
    margin-bottom: 0.8rem;
}

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

.copyright {
    text-align: center;
    border-top: 1px solid #333;
    padding-top: 2rem;
    font-size: 0.9rem;
}

/* Mobile */
.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--dark-color);
}

@media (max-width: 900px) {
    .hero h1 { font-size: 3rem; }
    .about-wrapper { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .hamburger { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    .nav-links.active { display: flex; }
    .hero { text-align: center; justify-content: center; }
    .hero-content { margin: 0 20px; }
    .hero::before { background: rgba(255,255,255,0.9); }
}

/* Animation */
.slide-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.slide-up.active {
    opacity: 1;
    transform: translateY(0);
}