:root {
    --primary: #0D47C9;
    --primary-light: #EAF4FF;
    --primary-dark: #0B3DAA;
    --text-main: #0F172A;
    --text-muted: #64748B;
    --bg-light: #F8FAFC;
    --white: #FFFFFF;
    --container-width: 1100px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 40px;
    width: 40px;
    border-radius: 8px;
}

.brand-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}

.nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    margin-right: 24px;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    position: relative;
    padding: 140px 0;
    background-image: url('assets/hero-bg.png');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(13, 71, 201, 0.95) 0%, rgba(13, 71, 201, 0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero p {
    font-size: 20px;
    color: var(--primary-light);
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

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

.btn-outline:hover {
    background-color: var(--white);
    color: var(--primary);
    transform: translateY(-3px);
}

.hero-subtitle {
    font-size: 14px !important;
    opacity: 0.8;
}

/* Features */
.features {
    padding: 100px 0;
    background: var(--white);
}

.section-title {
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
    font-weight: 800;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.feature-card {
    padding: 40px 30px;
    background: var(--bg-light);
    border-radius: 22px;
    text-align: center;
    transition: transform 0.3s;
}

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

.feature-card .icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
}

/* Guide Section */
.guide {
    padding: 100px 0;
    background-color: var(--primary);
    color: var(--white);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.step-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 22px;
    position: relative;
}

.step-number {
    position: absolute;
    top: -20px;
    right: 40px;
    width: 44px;
    height: 44px;
    background: var(--white);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.step-card h3 {
    margin: 10px 0 15px;
    font-size: 24px;
}

.step-card p {
    opacity: 0.9;
    line-height: 1.6;
}

.text-white {
    color: var(--white);
}

/* Footer */
.footer {
    padding: 60px 0;
    text-align: center;
    border-top: 1px solid var(--primary-light);
}

.footer p {
    color: var(--text-muted);
}

.footer-note {
    font-size: 13px;
    margin-top: 10px;
}
/* Visual Step UI */
.visual-step {
    display: flex;
    gap: 30px;
    align-items: center;
    grid-column: span 2;
    background: rgba(255, 255, 255, 0.1) !important;
}

.step-info {
    flex: 1;
}

.step-visual {
    flex: 1;
    max-width: 300px;
}

.step-visual img {
    width: 100%;
    border-radius: 18px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background-color: #25D366;
    color: white;
    padding: 12px 20px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    z-index: 999;
    animation: pulse 2s infinite;
    transition: transform 0.3s;
}

.whatsapp-float:hover {
    transform: scale(1.05);
}

.whatsapp-float img {
    width: 32px;
    height: 32px;
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Responsive adjustments */
@media (max-width: 900px) {
    .visual-step {
        flex-direction: column;
        grid-column: span 1;
    }
    
    .step-visual {
        max-width: 100%;
    }

    .whatsapp-float {
        left: 20px;
        bottom: 20px;
        padding: 10px 15px;
    }

    .whatsapp-float span {
        display: none;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 38px;
    }
    
    .nav {
        display: none;
    }
    
    .hero {
        padding: 80px 0;
    }
}