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

body {
    font-family: 'Inter', sans-serif;
    background-color: #ffffff;
    color: #1e293b;
    line-height: 1.5;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* CTA Bar — floating feel but inside flow, very visible */
.cta-row {
    background: linear-gradient(145deg, #f8fafc, #f1f5f9);
    border-radius: 32px;
    padding: 24px 32px;
    margin: 24px 0 32px 0;
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.05), 0 8px 10px -6px rgba(0,0,0,0.02);
    border: 1px solid #e2e8f0;
}

.cta-main-btn {
    display: block;  /* occupy full width on mobile, but we handle with flex */
    background-color: #fbbf24; /* yellow-400 */
    color: #0f172a !important;
    font-weight: 700;
    font-size: 1.5rem;
    padding: 18px 32px;
    border-radius: 60px;
    text-align: center;
    text-decoration: none;
    border: 2px solid #d97706;
    box-shadow: 0 8px 0 #b45309, 0 10px 20px -5px rgba(245, 158, 11, 0.3);
    transition: all 0.08s ease-in;
    letter-spacing: -0.01em;
    margin-bottom: 18px;
}

.cta-main-btn:hover {
    transform: translateY(4px);
    box-shadow: 0 4px 0 #b45309, 0 10px 20px -5px rgba(245, 158, 11, 0.4);
    background-color: #fcd34d;
}

.cta-main-btn:active {
    transform: translateY(8px);
    box-shadow: 0 0 0 #b45309, 0 10px 20px -5px rgba(245, 158, 11, 0.4);
}

.cta-secondary-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.cta-secondary {
    flex: 1 1 200px;
    background-color: #1e293b;
    color: white;
    padding: 14px 20px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 1px solid #334155;
    transition: background 0.15s;
}

.cta-secondary i {
    font-size: 1.3rem;
}

.cta-secondary.telegram:hover {
    background-color: #2b3e5c;
}
.cta-secondary.whatsapp:hover {
    background-color: #1f4b41;
}

/* header */
h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    background: linear-gradient(145deg, #0f2b3d, #1e4a6d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 40px 0 16px 0;
}

.subhead {
    font-size: 1.4rem;
    color: #334155;
    font-weight: 400;
    max-width: 800px;
    margin-bottom: 24px;
}

/* intro bar */
.stat-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    background: #f1f4f9;
    border-radius: 48px;
    padding: 16px 28px;
    margin: 32px 0 32px 0;
    justify-content: space-around;
    border: 1px solid #cbd5e1;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
}
.stat-icon {
    font-size: 2rem;
}
.stat-text {
    font-weight: 600;
}
.stat-num {
    font-weight: 800;
    color: #0b3b5c;
    font-size: 1.3rem;
}

/* section styling */
section {
    margin: 56px 0;
}

h2 {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 24px;
    border-left: 10px solid #fbbf24;
    padding-left: 24px;
}

h3 {
    font-size: 1.7rem;
    font-weight: 600;
    margin: 32px 0 16px 0;
    color: #0f2b3d;
}

.university-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
    margin: 40px 0;
}

.uni-card {
    background: white;
    border-radius: 32px;
    padding: 28px;
    box-shadow: 0 20px 30px -10px rgba(0,20,30,0.1);
    border: 1px solid #e9edf2;
    transition: all 0.15s;
}
.uni-card:hover {
    border-color: #fbbf24;
    box-shadow: 0 25px 35px -12px #fbbf2440;
}
.uni-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: #0b3b5c;
    margin-bottom: 8px;
}
.uni-desc {
    color: #334155;
    margin: 12px 0;
}
.uni-tag {
    background: #fef9c3;
    color: #854d0e;
    padding: 4px 12px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.85rem;
    display: inline-block;
}

.popular-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin: 32px 0;
}
.course-item {
    background: #f8fafc;
    padding: 24px;
    border-radius: 28px;
    border: 1px solid #dde3e9;
    font-weight: 600;
    font-size: 1.2rem;
}
.course-item i {
    color: #fbbf24;
    margin-right: 12px;
    font-size: 1.8rem;
    vertical-align: middle;
}

.guide-box {
    background: #1e293b;
    color: white;
    border-radius: 40px;
    padding: 40px;
    margin: 48px 0;
}
.guide-box h4 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 24px;
}
.guide-list {
    list-style: none;
}
.guide-list li {
    margin: 18px 0;
    font-size: 1.2rem;
    display: flex;
    gap: 16px;
    align-items: center;
}
.guide-list i {
    color: #fbbf24;
    font-size: 1.6rem;
}

.faq-section {
    background: #f1f5f9;
    border-radius: 40px;
    padding: 40px;
}
details {
    background: white;
    padding: 22px 28px;
    border-radius: 32px;
    margin-bottom: 16px;
    border: 1px solid #d1d9e6;
    cursor: pointer;
}
summary {
    font-weight: 700;
    font-size: 1.3rem;
    outline: none;
}
details[open] summary {
    color: #0369a1;
    margin-bottom: 16px;
}

footer {
    text-align: center;
    padding: 40px 0 60px;
    color: #64748b;
    border-top: 1px solid #cbd5e1;
    margin-top: 60px;
}

/* responsive tweaks */
@media (max-width: 700px) {
    h1 { font-size: 2.4rem; }
    h2 { font-size: 1.8rem; }
    .cta-main-btn { font-size: 1.3rem; padding: 16px; }
    .cta-secondary-group { flex-direction: column; }
    .cta-secondary { width: 100%; }
}

/* schema microdata hidden */
.hidden-schema {
    display: none;
}