/* Variables */
:root {
    --primary-color: #3498db;
    --secondary-color: #2980b9;
    --dark-color: #1f618d;
    --text-color: #333;
    --light-color: #ecf0f1;
    --accent-color: #e74c3c;
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Lato', sans-serif;
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f8f9fa;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 30px;
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
    font-size: 16px;
    letter-spacing: 0.5px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 14px rgba(0, 0, 0, 0.15);
    color: white;
}

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

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    color: var(--dark-color);
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* Animations */
@keyframes fadeUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.fade-up {
    animation: fadeUp 0.8s ease forwards;
    opacity: 0;
}

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 10px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--dark-color);
}

.logo svg {
    width: 40px;
    height: 40px;
}

nav ul {
    display: flex;
    gap: 30px;
}

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

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

nav a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 24px;
}

/* Hero Section */
.hero {
    background: linear-gradient(120deg, #f1f9ff 0%, #d6eaf8 100%);
    padding: 150px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background: linear-gradient(to bottom left, rgba(52, 152, 219, 0.1), rgba(52, 152, 219, 0));
    clip-path: polygon(25% 0%, 100% 0%, 100% 100%, 0% 100%);
}

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

.hero-content {
    flex: 0 0 55%;
    animation-delay: 0.2s;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-color);
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: #576574;
    font-family: var(--font-secondary);
}

.hero-image {
    flex: 0 0 40%;
    animation-delay: 0.5s;
}

/* Features Section */
.features {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-card {
    padding: 40px 30px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.feature-card:nth-child(1) {
    animation-delay: 0.2s;
}

.feature-card:nth-child(2) {
    animation-delay: 0.4s;
}

.feature-card:nth-child(3) {
    animation-delay: 0.6s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.feature-card p {
    color: #576574;
    font-family: var(--font-secondary);
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background-color: #f1f9ff;
    position: relative;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.step-card {
    padding: 40px 30px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.step-card:nth-child(1) {
    animation-delay: 0.2s;
}

.step-card:nth-child(2) {
    animation-delay: 0.4s;
}

.step-card:nth-child(3) {
    animation-delay: 0.6s;
}

.step-number {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.step-card p {
    color: #576574;
    font-family: var(--font-secondary);
}

/* FAQ Section */
.faq {
    padding: 100px 0;
}

.accordion-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    background-color: white;
}

.accordion-header {
    padding: 20px 30px;
    background-color: white;
    color: var(--dark-color);
    font-weight: 600;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.accordion-header:hover {
    background-color: rgba(52, 152, 219, 0.05);
}

.accordion-icon {
    transition: var(--transition);
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-item.active .accordion-content {
    max-height: 200px;
}

.accordion-content p {
    padding: 0 30px 20px;
    color: #576574;
    font-family: var(--font-secondary);
}

/* Call to Action */
.cta {
    padding: 100px 0;
    background: linear-gradient(120deg, var(--primary-color) 0%, var(--dark-color) 100%);
    text-align: center;
    color: white;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    animation-delay: 0.2s;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
    animation-delay: 0.4s;
    font-family: var(--font-secondary);
}

.cta .btn {
    background: white;
    color: var(--primary-color);
    animation-delay: 0.6s;
}

.cta .btn:hover {
    background: rgba(255, 255, 255, 0.9);
    color: var(--dark-color);
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 60px 0 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: white;
}

.footer-brand p {
    opacity: 0.8;
    font-family: var(--font-secondary);
}

.social-links {
    display: flex;
    gap: 20px;
    margin-top: 10px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-heading {
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: #ecf0f1;
    opacity: 0.8;
    transition: var(--transition);
}

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

.copyright {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .features-grid,
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 10px 0;
    }
    
    .hero {
        padding: 130px 0 70px;
    }
    
    .hero-container {
        flex-direction: column;
        gap: 40px;
    }
    
    .hero-content,
    .hero-image {
        flex: 0 0 100%;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }
    
    nav.open ul {
        display: flex;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .features-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
}