/* Base Styles */
:root {
    --primary: #33cc99;
    --primary-light: #5cddb0;
    --primary-dark: #22aa77;
    --secondary: #00aaff;
    --secondary-light: #44bbff;
    --secondary-dark: #0088cc;
    --text-dark: #222222;
    --text-light: #ffffff;
    --text-muted: #888888;
    --bg-light: #f9fbfd;
    --bg-dark: #1a1a2e;
    --bg-gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --border-radius: 10px;
    --shadow: 0 5px 20px rgba(0, 170, 255, 0.15);
    --transition: all 0.3s ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Base Elements */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

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

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 80px;
    height: 4px;
    background: var(--bg-gradient);
    border-radius: 2px;
}

.text-center h2::after {
    left: 50%;
    transform: translateX(-50%);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--bg-gradient);
    color: var(--text-light);
    box-shadow: 0 4px 12px rgba(0, 170, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 170, 255, 0.35);
    color: var(--text-light);
}

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

.btn-secondary:hover {
    background-color: var(--primary);
    color: var(--text-light);
}

/* Layout */
.section {
    padding: 5rem 0;
}

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

.text-center {
    text-align: center;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg-light);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 1rem 0;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    padding: 0.5rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-weight: 700;
    font-size: 1.5rem;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: var(--bg-gradient);
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    margin: 6px 0;
    background-color: var(--text-dark);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: var(--bg-gradient);
    padding: 10rem 0 5rem;
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23ffffff' fill-opacity='0.05' d='M0,128L48,154.7C96,181,192,235,288,224C384,213,480,139,576,144C672,149,768,235,864,234.7C960,235,1056,149,1152,117.3C1248,85,1344,107,1392,117.3L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: cover;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-image {
    text-align: center;
}

.hero-graphic {
    max-width: 100%;
    height: auto;
}

/* Features Section */
.features {
    background-color: var(--bg-light);
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.feature-icon {
    margin-bottom: 1.5rem;
    width: 70px;
    height: 70px;
}

.feature-title {
    margin-bottom: 1rem;
}

/* How It Works */
.how-it-works {
    background-color: #f0f9ff;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.step {
    position: relative;
    padding: 2rem;
    background-color: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.step-number {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-gradient);
    color: white;
    font-weight: bold;
    margin: 0 auto 1.5rem;
}

/* CTA Section */
.cta {
    background: var(--bg-gradient);
    color: var(--text-light);
    text-align: center;
    padding: 5rem 0;
}

.cta h2::after {
    background: white;
}

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

.cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: 4rem 0 1rem;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-logo-icon {
    width: 40px;
    height: 40px;
}

.footer-links-title {
    margin-bottom: 1rem;
    font-size: 1.2rem;
    position: relative;
}

.footer-links-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 40px;
    height: 2px;
    background: var(--bg-gradient);
}

.footer-links {
    margin-bottom: 1.5rem;
}

.footer-link {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--text-light);
}

.footer-bottom {
    margin-top: 3rem;
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animated {
    animation: fadeInUp 0.6s ease forwards;
}

/* Responsive */
@media screen and (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
}

@media screen and (max-width: 768px) {
    .container {
        width: 95%;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        grid-row: 1;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-light);
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        clip-path: circle(0% at 100% 0);
        transition: var(--transition);
    }
    
    .nav.active {
        clip-path: circle(150% at 100% 0);
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        display: block;
        padding: 1rem 2rem;
    }
    
    .nav-link:hover::after, .nav-link.active::after {
        width: 0;
    }
    
    .nav-link:hover {
        background-color: rgba(0,0,0,0.05);
    }
}

@media screen and (max-width: 576px) {
    h2 {
        font-size: 1.8rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .section {
        padding: 3rem 0;
    }
}