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

html {
    scroll-behavior: smooth;
}

body{
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    color:#0f172a;
    line-height: 1.6;
    min-height: 100vh;
}

.container{
    width: 92%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Header */
header{
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05), 0 4px 20px rgba(0,0,0,0.03);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.navbar{
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.5px;
}

.logo {
  color: #002970; /* dark blue for "Learn" */
}

.logo span {
  color: #00b9f5; /* light blue for "24" */
}

.back-btn{
    text-decoration: none;
    background: linear-gradient(135deg, #1e63ae 0%, #1a5699 100%);
    color: #fff;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(30, 99, 174, 0.25);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.back-btn:hover{
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 99, 174, 0.35);
}

.back-btn:active {
    transform: translateY(0);
}

/* Hero */
.hero{
    text-align: center;
    padding: 50px 20px 25px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 800px;
    height: 400px;
    background: radial-gradient(ellipse at center, rgba(30, 99, 174, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #eaf3ff 0%, #e0edff 100%);
    color: #1e63ae;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(30, 99, 174, 0.15);
}

.hero-badge span {
    font-size: 16px;
}

.hero h1{
    font-size: clamp(34px, 5vw, 56px);
    font-weight: 900;
    line-height: 1.1;
    margin: 0 auto 18px;
    letter-spacing: -1.5px;
    color: #0f172a;
    max-width: 1100px;
}

.hero h1 span{
    background: linear-gradient(135deg, #1e63ae 0%, #13856a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p{
    color: #64748b;
    max-width: 820px;
    margin: 0 auto;
    font-size: 18px;
    line-height: 1.7;
    font-weight: 400;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: #1e63ae;
    letter-spacing: -1px;
}

.stat-label {
    font-size: 14px;
    color: #64748b;
    font-weight: 500;
    margin-top: 4px;
}

/* Courses */

.course-section{
    padding: 15px 0 80px;
}

.section-header {
    text-align: center;
    margin-bottom: 30px;
}

.section-header h2 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #1e63ae;
    margin-bottom: 8px;
}

.section-header p {
    color: #94a3b8;
    font-size: 15px;
}

.course-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

@media (max-width: 1100px) {
    .course-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 720px) {
    .course-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }
}


.course-card{
    background: #fff;
    border-radius: 22px;
    padding: 28px;
    border:1px solid rgba(15,23,42,.06);
    box-shadow:
        0 2px 8px rgba(15,23,42,.04),
        0 12px 32px rgba(15,23,42,.05);
    transition: all .3s ease;
    position: relative;
    overflow: hidden;
    display:flex;
    flex-direction:column;
    height:100%;
}
.course-card:hover{
    transform: translateY(-4px);
    box-shadow:
        0 8px 20px rgba(15,23,42,.08),
        0 16px 40px rgba(15,23,42,.08);
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
}

.course-card:hover{
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.12),
                0 4px 12px rgba(15, 23, 42, 0.06);
}

.blue-card::before {
    background: linear-gradient(90deg, #1e63ae 0%, #3b82f6 100%);
}

.green-card::before {
    background: linear-gradient(90deg, #13856a 0%, #10b981 100%);
}

.purple-card::before {
    background: linear-gradient(90deg, #7c6cf2 0%, #a78bfa 100%);
}

.top-row{
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
    gap: 12px;
}

.icon-box{
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    flex-shrink: 0;
}

.blue-bg{
    background: linear-gradient(135deg, #eaf3ff 0%, #dbeafe 100%);
}

.green-bg{
    background: linear-gradient(135deg, #e9faf5 0%, #d1fae5 100%);
}

.purple-bg{
    background: linear-gradient(135deg, #f0ecff 0%, #ede9fe 100%);
}

.job-badge{
    background: linear-gradient(135deg, #e8faf1 0%, #d1fae5 100%);
    color: #13856a;
    border: 1px solid rgba(158, 224, 195, 0.6);
    padding: 8px 14px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.course-card h2{
    font-size: clamp(24px, 2.5vw, 30px);
    font-weight: 800;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.course-card > p {
    color: #64748b;
    line-height: 1.75;
    margin-bottom: 24px;
    font-size: 15px;
    flex-grow: 1;
}

.tags{
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.tag{
    padding: 8px 14px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    background: #f1f5f9;
    color: #475569;
}

.blue-tag{
    background: linear-gradient(135deg, #eaf3ff 0%, #dbeafe 100%);
    color: #1e63ae;
}

.green-tag{
    background: linear-gradient(135deg, #e9faf5 0%, #d1fae5 100%);
    color: #13856a;
}

.purple-tag {
    background: linear-gradient(135deg, #f0ecff 0%, #ede9fe 100%);
    color: #6b46c1;
}

.gold-tag{
    background: linear-gradient(135deg, #fff7e4 0%, #fef3c7 100%);
    color: #b7791f;
    border: 1px solid rgba(240, 207, 123, 0.5);
}

/* .manager{
    display: flex;
    gap: 14px;
    align-items: center;
    padding: 16px;
    border: 1px solid rgba(239, 213, 155, 0.6);
    background: linear-gradient(135deg, #fffdf7 0%, #fffbeb 100%);
    border-radius: 14px;
    margin-bottom: 24px;
} */

.manager{
    display:none;
}
.manager-icon{
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #c69214 0%, #d97706 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 12px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(198, 146, 20, 0.3);
}

.manager-content h4{
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 2px;
    color: #0f172a;
}

.manager-content span{
    color: #64748b;
    font-size: 13px;
}

.course-btn{
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    padding: 16px 24px;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-top: auto;
}

.blue-btn{
    background: linear-gradient(135deg, #1e63ae 0%, #1a5699 100%);
    box-shadow: 0 4px 14px rgba(30, 99, 174, 0.3);
}

.blue-btn:hover {
    box-shadow: 0 6px 20px rgba(30, 99, 174, 0.4);
    transform: translateY(-2px);
}

.green-btn{
    background: linear-gradient(135deg, #13856a 0%, #0d7058 100%);
    box-shadow: 0 4px 14px rgba(19, 133, 106, 0.3);
}

.green-btn:hover {
    box-shadow: 0 6px 20px rgba(19, 133, 106, 0.4);
    transform: translateY(-2px);
}

.purple-btn{
    background: linear-gradient(135deg, #7c6cf2 0%, #6b46c1 100%);
    box-shadow: 0 4px 14px rgba(124, 108, 242, 0.3);
}

.purple-btn:hover {
    box-shadow: 0 6px 20px rgba(124, 108, 242, 0.4);
    transform: translateY(-2px);
}

.course-btn:active {
    transform: translateY(0);
}

/* Footer CTA */
.footer-cta {
    background: linear-gradient(135deg, #1e63ae 0%, #13856a 100%);
    padding: 60px 20px;
    text-align: center;
    color: #fff;
}

.footer-cta h3 {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.footer-cta p {
    opacity: 0.9;
    max-width: 500px;
    margin: 0 auto 28px;
    font-size: 16px;
}

.footer-cta .cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    color: #1e63ae;
    padding: 16px 32px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.footer-cta .cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* =========================
   TABLET + MOBILE
========================= */
@media (max-width: 768px) {

    .navbar {
        height: 64px;
    }

    .logo {
        font-size: 24px;
    }

    .back-btn {
        padding: 9px 16px;
        font-size: 13px;
        border-radius: 10px;
    }

    .hero {
        padding: 40px 16px 20px;
    }

    .hero h1 {
        font-size: 34px;
        line-height: 1.15;
        margin-bottom: 14px;
    }

    .hero p {
        font-size: 15px;
        line-height: 1.6;
        max-width: 100%;
    }

    .hero-stats {
        gap: 24px;
        margin-top: 24px;
    }

    .stat-number {
        font-size: 24px;
    }

    .stat-label {
        font-size: 12px;
    }

    .course-section {
        padding: 10px 0 50px;
    }

    .section-header {
        margin-bottom: 20px;
    }

    .course-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .course-card {
        padding: 18px;
        border-radius: 16px;
    }

    .course-card h2 {
        font-size: 22px;
        margin-bottom: 10px;
    }

    .course-card > p {
        font-size: 14px;
        line-height: 1.5;
        margin-bottom: 14px;
    }

    .icon-box {
        width: 52px;
        height: 52px;
        font-size: 22px;
        border-radius: 12px;
    }

    .tags {
        gap: 6px;
        margin-bottom: 14px;
    }

    .tag {
        padding: 5px 10px;
        font-size: 11px;
    }

    .manager {
        padding: 12px;
        margin-bottom: 16px;
    }

    .manager-icon {
        width: 38px;
        height: 38px;
        font-size: 11px;
    }

    .course-btn {
        padding: 13px;
        font-size: 14px;
    }

    .footer-cta {
        padding: 40px 16px;
    }

    .footer-cta h3 {
        font-size: 26px;
    }
}


/* =========================
   SMALL MOBILE
========================= */
@media (max-width: 480px) {

    .container {
        width: 95%;
        padding: 0 10px;
    }

    .hero {
        padding: 30px 10px 10px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero p {
        font-size: 14px;
    }

    .hero-badge {
        font-size: 12px;
        padding: 7px 14px;
        margin-bottom: 14px;
    }

    .course-grid {
        gap: 12px;
    }

    .course-card {
        padding: 16px;
        border-radius: 16px;
    }

    .top-row {
        margin-bottom: 12px;
    }

    .icon-box {
        width: 48px;
        height: 48px;
        font-size: 22px;
        border-radius: 12px;
    }

    .job-badge {
        font-size: 10px;
        padding: 6px 10px;
    }

    .course-card h2 {
        font-size: 18px;
        margin-bottom: 8px;
        line-height: 1.3;
    }

    /* Long description hide */
    .course-card > p {
        display: none;
    }

    .tags {
        margin-bottom: 12px;
    }

    .tag {
        padding: 5px 10px;
        font-size: 11px;
    }

    .course-btn {
        padding: 12px;
        font-size: 13px;
        border-radius: 10px;
    }

    .footer-cta h3 {
        font-size: 22px;
    }

    .footer-cta p {
        font-size: 14px;
    }
}