:root {
    /* Color Palette - Professional Blues */
    --primary-blue: #0A2647;
    /* Deep Navy - Headers, Footer */
    --secondary-blue: #144272;
    /* Corporate Blue - Buttons, Accents */
    --accent-blue: #205295;
    /* Bright Blue - Hover states */
    --light-blue: #2C74B3;
    /* Lighter Blue - Highlights */
    --ice-blue: #F1F6F9;
    /* Very light blue - Backgrounds */
    --white: #FFFFFF;
    --text-dark: #1A1A1A;
    /* Main text */
    --text-gray: #4A4A4A;
    /* Secondary text */
    --border-light: #E1E8ED;

    /* Spacing & Layout */
    --container-width: 1200px;
    --section-padding: 80px 0;
    --transition: all 0.3s ease;
}

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--primary-blue);
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

/* Header & Nav */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid var(--border-light);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--light-blue);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-gray);
}

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

.btn-admin {
    padding: 0.5rem 1.25rem;
    background-color: var(--secondary-blue);
    color: var(--white) !important;
    border-radius: 6px;
    font-weight: 600;
}

.btn-admin:hover {
    background-color: var(--primary-blue);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--ice-blue) 0%, #E8F0FE 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(44, 116, 179, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--primary-blue), var(--light-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2.5rem;
}

.cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--secondary-blue);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(20, 66, 114, 0.2);
}

.btn-primary:hover {
    background-color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(20, 66, 114, 0.3);
}

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

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

/* About Section */
.about {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--light-blue);
    letter-spacing: 1.5px;
    margin-bottom: 0.5rem;
    display: block;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-gray);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item h4 {
    font-size: 2.5rem;
    color: var(--secondary-blue);
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Services */
.services {
    padding: var(--section-padding);
    background-color: var(--ice-blue);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-color: var(--light-blue);
}

.icon-box {
    width: 60px;
    height: 60px;
    background-color: rgba(44, 116, 179, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--secondary-blue);
    font-size: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.service-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* FAQ Section */
.faq {
    padding: var(--section-padding);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border-light);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    background: var(--white);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--primary-blue);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    transition: transform 0.3s;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-item.active .faq-question {
    background-color: #f8faff;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 1.5rem;
    transition: all 0.3s ease-out;
    background-color: var(--white);
}

.faq-item.active .faq-answer {
    padding: 1.5rem;
    padding-top: 0;
    max-height: 500px;
    /* arbitrary large number */
    color: var(--text-gray);
}

/* Contact */
.contact {
    padding: var(--section-padding);
    background-color: var(--primary-blue);
    color: var(--white);
}

.contact .section-header h2 {
    color: var(--white);
}

.contact .section-tag {
    color: var(--accent-blue);
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(20, 66, 114, 0.1);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Footer */
footer {
    background-color: #051628;
    /* Very dark navy */
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 3rem;
}

.footer-brand h3 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-links h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

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

.footer-links a:hover {
    color: var(--light-blue);
}

.copyright {
    text-align: center;
    font-size: 0.9rem;
}

/* Mobile Navigation */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--primary-blue);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 20px;
    }

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

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

    /* Mobile Menu Logic */
    .menu-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        right: -100%;
        /* Hidden by default */
        width: 70%;
        height: 100vh;
        background-color: var(--white);
        padding-top: 100px;
        transition: 0.4s ease-in-out;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        align-items: center;
        gap: 2rem;
    }

    .nav-links.active {
        right: 0;
        /* Visible */
    }

    .nav-links a {
        font-size: 1.2rem;
        color: var(--primary-blue);
    }

    /* Hamburger Animation */
    .menu-toggle.is-active .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .menu-toggle.is-active .bar:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.is-active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
}