:root {
    /* Color Palette derived from logo */
    --primary-color: #FFD700;
    /* Logo Yellow */
    --secondary-color: #1A237E;
    /* Logo Navy */
    --accent-color: #0D47A1;
    --text-dark: #212121;
    --text-light: #757575;
    --bg-light: #F8F9FA;
    --white: #FFFFFF;
    --success: #2E7D32;

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;

    /* Spacing */
    --spacer: 1rem;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-weight: 700;
    color: var(--secondary-color);
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.justify-between {
    justify-content: space-between;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
}

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

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(26, 35, 126, 0.3);
}

/* Header */
header {
    background: var(--white);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.logo img {
    height: 65px;
    border-radius: 50%;
    object-fit: cover;
}

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

nav ul li a {
    font-weight: 500;
    color: var(--secondary-color);
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--primary-color);
}

/* WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: var(--transition);
}

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

/* Footer */
footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-item h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Hero Section */
.hero {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f0f4f8 100%);
    position: relative;
    overflow: hidden;
}

.hero-flex {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* Section Common */
.section {
    padding: 80px 0;
}

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

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.section-title p {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Grid */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

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

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

.card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.card h3 {
    margin-bottom: 15px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero-flex {
        flex-direction: column;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    nav ul {
        display: none;
        /* simple version, we can add a toggle later */
    }

    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 60px 0;
    }
}

/* FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 40px auto 0;
}

.faq-item {
    background: var(--white);
    margin-bottom: 15px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    background: var(--bg-light);
    cursor: pointer;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: #eef2f7;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
    color: var(--text-light);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    padding: 20px;
    max-height: 500px;
    border-top: 1px solid #eee;
}

.faq-question i {
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

/* SEO Content Block */
.seo-content {
    background: var(--bg-light);
    padding: 40px;
    border-radius: var(--border-radius);
    margin-top: 50px;
    border-left: 5px solid var(--primary-color);
}

.seo-content h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.seo-content p {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 15px;
}