:root {
    --primary-color: #2c3e50;
    --secondary-color: #e67e22;
    --accent-color: #27ae60;
    --text-color: #333;
    --light-bg: #f9f9f9;
    --white: #ffffff;
    --border-color: #ddd;
    --spacing-unit: 1rem;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

.section {
    padding: 4rem 0;
}

.section-bg {
    background-color: var(--light-bg);
}

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

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
    border: none;
}

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

.btn-primary:hover {
    background-color: #d35400;
}

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

.btn-secondary:hover {
    background-color: #34495e;
}

/* Navigation */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--primary-color);
    transition: color 0.3s;
}

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

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: 0.3s;
}

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

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #666;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.badge-strip {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 0;
    font-size: 0.9rem;
}

.badge-list {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

/* Split Layout */
.split-layout {
    display: flex;
    flex-wrap: wrap;
}

.split-col {
    flex: 1;
    min-width: 300px;
    padding: 3rem 2rem;
}

.split-left {
    background-color: #edf2f7;
}

.split-right {
    background-color: #e2e8f0;
}

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

.split-col ul {
    margin-bottom: 2rem;
}

.split-col li {
    margin-bottom: 0.5rem;
    padding-left: 1.2rem;
    position: relative;
}

.split-col li::before {
    content: "•";
    color: var(--secondary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Grid Layouts */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
}

.card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

/* Timeline */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding: 2rem 0;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    padding-bottom: 2rem;
    position: relative;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-time {
    min-width: 120px;
    font-weight: bold;
    color: var(--secondary-color);
    text-align: right;
    flex-shrink: 0;
}

/* Vertical Line logic */
.timeline-item::before {
    content: '';
    position: absolute;
    left: 130px;
    top: 5px;
    bottom: 0;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item:last-child::before {
    display: none;
}

/* Dot */
.timeline-item::after {
    content: '';
    position: absolute;
    left: 126px;
    top: 8px;
    width: 10px;
    height: 10px;
    background-color: var(--secondary-color);
    border-radius: 50%;
}

.timeline-content h4 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .timeline-item {
        flex-direction: column;
        gap: 0.5rem;
        padding-left: 2rem;
    }

    .timeline-time {
        text-align: left;
        min-width: auto;
    }

    .timeline-item::before {
        left: 0;
        top: 0.5rem;
    }

    .timeline-item::after {
        left: -4px;
        top: 0.5rem;
    }
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 0;
    margin-top: auto;
}

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

.footer-col h4 {
    margin-bottom: 1.2rem;
    color: var(--secondary-color);
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        gap: 1.5rem;
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        transform: translateY(0);
    }

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

    .split-layout {
        flex-direction: column;
    }
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 20px;
    right: 20px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #128c7e;
}

.whatsapp-icon {
    width: 35px;
    height: 35px;
    fill: white;
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 15px;
        right: 15px;
        font-size: 25px;
    }

    .whatsapp-icon {
        width: 28px;
        height: 28px;
    }
}