:root {
    --primary: #1a3c6e;
    --primary-dark: #0f2748;
    --accent: #e6a817;
    --accent-dark: #c98f0a;
    --light-bg: #f5f8fc;
    --text-dark: #1c1c1c;
    --text-muted: #5c6b7a;
    --white: #ffffff;
    --whatsapp: #25d366;
    --radius: 10px;
    --shadow: 0 8px 24px rgba(15, 39, 72, 0.08);
}

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

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

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* Topbar */
.topbar {
    background: var(--primary-dark);
    color: #cfd9e6;
    font-size: 13px;
    padding: 6px 0;
}
.topbar-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px; }
.topbar-left span { margin-right: 20px; }
.topbar-left i, .topbar-right i { color: var(--accent); margin-right: 5px; }

/* Header */
.site-header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    position: sticky;
    top: 0;
    z-index: 999;
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
}
.logo {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
}
.logo i { color: var(--accent); margin-right: 6px; }
.main-nav ul {
    display: flex;
    align-items: center;
    gap: 26px;
}
.main-nav a {
    font-weight: 500;
    color: var(--text-dark);
    padding: 8px 0;
    position: relative;
}
.main-nav a.active, .main-nav a:hover { color: var(--primary); }
.btn-nav-admission {
    background: var(--accent);
    color: var(--white) !important;
    padding: 10px 20px !important;
    border-radius: 30px;
    font-weight: 600;
}
.btn-nav-admission:hover { background: var(--accent-dark); }
.nav-toggle { display: none; background: none; border: none; font-size: 22px; cursor: pointer; color: var(--primary); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 13px 30px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: 0.25s;
}
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-dark); }
.btn-outline { background: transparent; border: 2px solid var(--white); color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--primary); }
.btn-dark { background: var(--primary); color: var(--white); }
.btn-dark:hover { background: var(--primary-dark); }

/* Hero */
.hero {
    background: linear-gradient(120deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 90px 0;
    position: relative;
    overflow: hidden;
}
.hero-inner { display: flex; align-items: center; gap: 50px; flex-wrap: wrap; }
.hero-text { flex: 1; min-width: 300px; }
.hero-text span.tag {
    background: rgba(230,168,23,0.15);
    color: var(--accent);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 18px;
}
.hero-text h1 { font-size: 42px; font-weight: 800; line-height: 1.25; margin-bottom: 18px; }
.hero-text h1 span { color: var(--accent); }
.hero-text p { color: #d3ddec; margin-bottom: 28px; font-size: 16px; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-img { flex: 1; min-width: 280px; text-align: center; }
.hero-img img { border-radius: var(--radius); box-shadow: var(--shadow); }

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    flex-wrap: wrap;
}
.hero-stats div h2 { color: var(--accent); font-size: 30px; }
.hero-stats div p { color: #cfd9e6; font-size: 13px; }

/* Section generic */
.section { padding: 80px 0; }
.section-bg { background: var(--light-bg); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 50px; }
.section-head span.tag {
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 13px;
}
.section-head h2 { font-size: 32px; font-weight: 800; color: var(--primary-dark); margin: 10px 0 14px; }
.section-head p { color: var(--text-muted); }

/* Cards grid */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

.feature-card, .course-card, .blog-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 30px;
    transition: 0.25s;
    border: 1px solid #eef1f6;
}
.feature-card:hover, .course-card:hover, .blog-card:hover { transform: translateY(-6px); box-shadow: 0 14px 30px rgba(15,39,72,0.12); }
.feature-card .icon, .course-card .icon {
    width: 56px; height: 56px;
    background: var(--light-bg);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; color: var(--primary);
    margin-bottom: 18px;
}
.feature-card h3, .course-card h3 { font-size: 19px; margin-bottom: 10px; color: var(--primary-dark); }
.feature-card p, .course-card p { color: var(--text-muted); font-size: 14.5px; }
.course-card ul { margin-top: 14px; }
.course-card ul li { font-size: 14px; color: var(--text-muted); padding: 4px 0; }
.course-card ul li i { color: var(--accent); margin-right: 8px; }
.course-card .btn { margin-top: 18px; width: 100%; text-align: center; }

/* Blog cards */
.blog-card { padding: 0; overflow: hidden; }
.blog-card img { height: 190px; width: 100%; object-fit: cover; }
.blog-card .blog-content { padding: 22px; }
.blog-card .meta { font-size: 12.5px; color: var(--text-muted); margin-bottom: 10px; }
.blog-card h3 { font-size: 18px; color: var(--primary-dark); margin-bottom: 10px; }
.blog-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 14px; }
.blog-card a.read-more { color: var(--primary); font-weight: 600; font-size: 14px; }

/* Forms */
.form-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 40px;
    max-width: 850px;
    margin: 0 auto;
}
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 14px; color: var(--primary-dark); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid #dfe6ee;
    border-radius: 8px;
    font-family: inherit;
    font-size: 14.5px;
    background: var(--light-bg);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary); background: var(--white);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.alert { padding: 14px 18px; border-radius: 8px; margin-bottom: 20px; font-size: 14.5px; }
.alert-success { background: #e4f7e9; color: #1c7a37; border: 1px solid #b6e6c3; }
.alert-error { background: #fde8e8; color: #ba2525; border: 1px solid #f5c2c2; }

/* Page banner */
.page-banner {
    background: linear-gradient(120deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}
.page-banner h1 { font-size: 34px; font-weight: 800; margin-bottom: 10px; }
.page-banner .breadcrumb { color: #cfd9e6; font-size: 14px; }
.page-banner .breadcrumb a { color: var(--accent); }

/* About page */
.about-content { display: flex; gap: 50px; align-items: center; flex-wrap: wrap; }
.about-content img { border-radius: var(--radius); flex: 1; min-width: 300px; box-shadow: var(--shadow); }
.about-text { flex: 1; min-width: 300px; }
.about-text h2 { font-size: 28px; color: var(--primary-dark); margin-bottom: 16px; }
.about-text p { color: var(--text-muted); margin-bottom: 16px; }
.about-list li { padding: 8px 0; color: var(--text-dark); }
.about-list li i { color: var(--accent); margin-right: 10px; }

/* WhatsApp floating button */
.whatsapp-float {
    position: fixed;
    bottom: 26px;
    right: 26px;
    background: var(--whatsapp);
    color: var(--white);
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.25);
    z-index: 1000;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.5); }
    70% { box-shadow: 0 0 0 14px rgba(37,211,102,0); }
    100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* Footer */
.site-footer { background: var(--primary-dark); color: #c7d2e0; padding: 60px 0 0; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 30px; padding-bottom: 40px; }
.footer-col h3 { color: var(--white); margin-bottom: 14px; font-size: 20px; }
.footer-col h3 i { color: var(--accent); }
.footer-col h4 { color: var(--white); margin-bottom: 16px; font-size: 16px; }
.footer-col p { font-size: 14px; color: #a9b8cc; }
.footer-col ul li { margin-bottom: 10px; font-size: 14px; }
.footer-col ul li a:hover { color: var(--accent); }
.contact-list li i { color: var(--accent); margin-right: 8px; width: 16px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    padding: 18px 0;
    font-size: 13px;
    color: #92a2b8;
}
.footer-bottom a { color: var(--accent); }

/* Responsive */
@media (max-width: 900px) {
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .main-nav ul {
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 20px;
        gap: 12px;
        display: none;
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
    }
    .main-nav ul.show { display: flex; }
    .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .hero-text h1 { font-size: 30px; }
    .about-content { flex-direction: column; }
}