:root {
    --primary-red: #E31E24;
    --dark-brown: #2B1608;
    --accent-gold: #D4AF37;
    --white: #FFFFFF;
    --light-bg: #F8F9FA;
    --text-dark: #1A1A1A;
    --text-muted: #6C757D;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Typography */
h1, h2, h3, h4 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
}

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

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

.section-padding {
    padding: 80px 0;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--primary-red);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(227, 30, 36, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(227, 30, 36, 0.5);
}

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

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

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    position: relative;
}

.logo img {
    height: 50px;
    max-width: 100%;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    font-weight: 500;
}

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

.mobile-only {
    display: none;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(43, 22, 8, 0.8), rgba(43, 22, 8, 0.8)), url('https://images.unsplash.com/photo-1531415074968-036ba1b575da?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 180px 0 120px;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.download-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* Stats Section */
.stats {
    background: var(--primary-red);
    color: var(--white);
    padding: 40px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat-item h3 {
    font-size: 2.5rem;
}

/* How It Works */
.step-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.step-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.step-icon {
    font-size: 3rem;
    color: var(--primary-red);
    margin-bottom: 20px;
}

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

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.feature-item {
    display: flex;
    gap: 20px;
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

/* Footer */
footer {
    background: var(--dark-brown);
    color: var(--white);
    padding: 80px 0 40px;
}

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

.footer-col h4 {
    margin-bottom: 25px;
    font-size: 1.2rem;
}

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

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

.footer-links a {
    opacity: 0.7;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
    opacity: 0.6;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .nav-container {
        height: 70px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: -20px;
        right: -20px;
        background: var(--white);
        flex-direction: column;
        padding: 0;
        gap: 0;
        text-align: center;
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        z-index: 999;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-out;
    }

    .nav-links.active {
        display: flex;
        max-height: 500px;
    }

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid #eee;
    }

    .nav-links a {
        display: block;
        padding: 15px;
        width: 100%;
    }

    .mobile-only {
        display: block;
        background-color: var(--primary-red);
        color: white !important;
    }

    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 40px;
        width: 40px;
        z-index: 1001;
    }

    .header-cta {
        display: none !important;
    }

    nav {
        order: 2;
    }

    .mobile-menu-btn {
        order: 3;
    }

    .hero h1 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 50px 0;
    }

    .hero {
        padding: 140px 0 80px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .stat-item h3 {
        font-size: 1.8rem;
    }

    .step-grid, .footer-grid, .feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

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

    .social-links {
        justify-content: center;
    }

    .about-content h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .btn {
        padding: 10px 20px;
        width: 100%;
        text-align: center;
    }
}