/* --- CSS VARIABLES & RESET --- */
:root {
    --primary-color: #0f2b46;
    /* Deep Navy - Trustworthy */
    --secondary-color: #f39c12;
    /* Gold/Orange - Education/Energy */
    --accent-blue: #3498db;
    /* Bright Blue - Action */
    --bg-light: #f8f9fa;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --white: #ffffff;
    --whatsapp-green: #25D366;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
}

h1,
h2,
h3,
h4 {
    font-family: 'Merriweather', serif;
    /* Serif for headings adds authority */
    color: var(--primary-color);
    font-weight: 700;
}

a {
    text-decoration: none;
}

ul {
    list-style: none;
}

/* --- 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: 15px 30px;
    border-radius: 5px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
}

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

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

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

.btn-whatsapp:hover {
    background-color: transparent;
    color: var(--whatsapp-green);
}

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

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

/* --- HEADER & NAV --- */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.nav-links {
    display: flex;
    gap: 30px;
}

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

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

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* --- HERO SECTION --- */
.hero {
    background: linear-gradient(rgba(15, 43, 70, 0.9), rgba(15, 43, 70, 0.8)), url('https://picsum.photos/seed/school/1920/1080');
    background-size: cover;
    background-position: center;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    color: var(--white);
    padding-top: 80px;
    /* Offset for fixed header */
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    color: var(--white);
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #e0e0e0;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* --- BENEFITS SECTION --- */
.benefits {
    background: var(--white);
}

.section-header {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
}

.section-header h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.benefit-card {
    padding: 30px;
    border-radius: 8px;
    background: var(--bg-light);
    transition: transform 0.3s;
    border-left: 4px solid var(--secondary-color);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.benefit-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    font-family: 'Inter', sans-serif;
}

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

/* --- SERVICES SECTION --- */
.services {
    background-color: #0f2b46;
    color: var(--white);
}

.services h2,
.services p {
    color: var(--white);
}

.services p {
    opacity: 0.9;
}

.services-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    align-items: center;
}

.service-list-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 30px;
}

.service-list-item i {
    color: var(--secondary-color);
    font-size: 1.5rem;
    margin-top: 5px;
}

.service-list-content h4 {
    color: var(--white);
    font-size: 1.3rem;
    margin-bottom: 5px;
    font-family: 'Inter', sans-serif;
}

.services-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border: 5px solid rgba(255, 255, 255, 0.1);
}

/* --- HOW IT WORKS --- */
.how-it-works {
    background: var(--white);
}

.steps-container {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-top: 50px;
    flex-wrap: wrap;
    gap: 20px;
}

.steps-container::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 50px;
    right: 50px;
    height: 2px;
    background: #e0e0e0;
    z-index: 0;
    display: none;
    /* Hidden on mobile */
}

@media(min-width: 768px) {
    .steps-container::before {
        display: block;
    }
}

.step-card {
    flex: 1;
    text-align: center;
    background: var(--white);
    z-index: 1;
    position: relative;
    min-width: 200px;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    color: var(--white);
    font-size: 2rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    border: 4px solid var(--white);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.step-card h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

/* --- TRUST CTA --- */
.trust-cta {
    background: linear-gradient(135deg, var(--secondary-color), #e67e22);
    color: var(--white);
    text-align: center;
    padding: 80px 20px;
}

.trust-cta h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-group {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 30px;
}

/* --- CONTACT / FOOTER --- */
footer {
    background: var(--primary-color);
    color: #b0bec5;
    padding: 60px 0 20px;
}

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

.footer-col h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-family: 'Inter', sans-serif;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #b0bec5;
}

.footer-col ul li a:hover {
    color: var(--secondary-color);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.contact-item i {
    color: var(--secondary-color);
}

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

/* Floating WhatsApp */
.floating-wa {
    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 10px rgba(0, 0, 0, 0.3);
    z-index: 9999;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    /* Simplified for single file demo */
    .mobile-menu-btn {
        display: block;
    }

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

    .steps-container {
        flex-direction: column;
        gap: 40px;
    }

    .steps-container::before {
        display: none;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .cta-group {
        flex-direction: column;
    }
}