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

body {
    font-family: Arial, Helvetica, sans-serif;
    color: #172033;
    background: #f6f8fc;
    line-height: 1.6;
}

a {
    text-decoration: none;
}

.course-container {
    width: min(1180px, 92%);
    margin: auto;
}


/* =========================
   HERO
========================= */

.course-hero {
    background: linear-gradient(135deg, #062a72, #0755c9);
    color: white;
    padding: 35px 0 80px;
}

.breadcrumb {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 55px;
    font-size: 14px;
    opacity: .9;
}

.breadcrumb a {
    color: white;
}

.hero-content {
    max-width: 850px;
}

.course-badge {
    display: inline-flex;
    padding: 8px 18px;
    border-radius: 50px;
    background: #f4c430;
    color: #10254d;
    font-weight: 800;
    margin-bottom: 12px;
}

.course-category {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 13px;
    opacity: .85;
    margin-bottom: 12px;
}

.hero-content h1 {
    font-size: clamp(35px, 5vw, 58px);
    line-height: 1.12;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 18px;
    max-width: 760px;
    opacity: .92;
}

.course-actions {
    display: flex;
    gap: 14px;
    margin-top: 30px;
    flex-wrap: wrap;
}


/* =========================
   BUTTONS
========================= */

.btn-primary,
.btn-secondary,
.btn-outline {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 13px 25px;
    border-radius: 8px;
    font-weight: 700;
    transition: .25s;
}

.btn-primary {
    background: #f4c430;
    color: #13254c;
}

.btn-primary:hover {
    transform: translateY(-2px);
}

.btn-secondary {
    border: 1px solid rgba(255,255,255,.6);
    color: white;
}

.btn-secondary:hover {
    background: white;
    color: #0755c9;
}

.btn-outline {
    border: 1px solid white;
    color: white;
}


/* =========================
   INFO
========================= */

.info-section {
    margin-top: -40px;
    position: relative;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.info-card {
    background: white;
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 10px 35px rgba(0,0,0,.08);
}

.info-card span {
    display: block;
    font-size: 27px;
    color: #0755c9;
    margin-bottom: 8px;
}

.info-card small {
    display: block;
    color: #68758a;
}

.info-card strong {
    display: block;
    margin-top: 4px;
    font-size: 18px;
}


/* =========================
   SECTIONS
========================= */

.content-section,
.syllabus-section {
    padding: 90px 0;
}

.section-heading {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 45px;
}

.section-heading span {
    color: #0755c9;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 2px;
}

.section-heading h2 {
    font-size: 38px;
    margin: 8px 0 12px;
}

.section-heading p {
    color: #69758a;
}


/* =========================
   LEARNING
========================= */

.learning-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.learning-card {
    background: white;
    padding: 32px;
    border-radius: 16px;
    border: 1px solid #e8edf5;
    transition: .25s;
}

.learning-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,.08);
}

.learning-card .icon {
    font-size: 35px;
    margin-bottom: 15px;
}

.learning-card h3 {
    margin-bottom: 8px;
}

.learning-card p {
    color: #69758a;
}


/* =========================
   SYLLABUS
========================= */

.syllabus-section {
    background: white;
}

.syllabus-list {
    max-width: 900px;
    margin: auto;
}

.syllabus-item {
    border: 1px solid #e2e7ef;
    border-radius: 12px;
    margin-bottom: 13px;
    overflow: hidden;
    background: white;
}

.syllabus-header {
    width: 100%;
    border: 0;
    background: white;
    padding: 20px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    text-align: left;
}

.syllabus-header > div {
    display: flex;
    align-items: center;
    gap: 15px;
}

.subject-number {
    color: #0755c9;
    font-weight: 800;
}

.syllabus-header strong {
    font-size: 17px;
    color: #172033;
}

.arrow {
    font-size: 25px;
    color: #0755c9;
}

.syllabus-body {
    display: none;
    padding: 0 25px 22px;
}

.syllabus-item.active .syllabus-body {
    display: block;
}

.syllabus-item.active .arrow {
    transform: rotate(45deg);
}

.syllabus-body ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.syllabus-body li {
    background: #f5f8fd;
    padding: 11px 14px;
    border-radius: 7px;
    color: #4c5970;
}

.syllabus-body li span {
    color: #07853b;
    font-weight: bold;
    margin-right: 6px;
}


/* =========================
   CTA
========================= */

.apply-section {
    padding: 70px 0;
}

.apply-box {
    background: linear-gradient(135deg, #062a72, #0755c9);
    border-radius: 20px;
    padding: 45px;
    color: white;
    display: flex;
    justify-content: space-between;
    gap: 30px;
    align-items: center;
}

.apply-box > div:first-child {
    max-width: 650px;
}

.apply-box span {
    color: #f4c430;
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 2px;
}

.apply-box h2 {
    font-size: 35px;
    line-height: 1.2;
    margin: 8px 0;
}

.apply-box p {
    opacity: .9;
}

.apply-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}


/* =========================
   TABLET
========================= */

@media (max-width: 900px) {

    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .apply-box {
        flex-direction: column;
        align-items: flex-start;
    }
}


/* =========================
   MOBILE
========================= */

@media (max-width: 600px) {

    .course-hero {
        padding-bottom: 65px;
    }

    .breadcrumb {
        margin-bottom: 35px;
        font-size: 12px;
        flex-wrap: wrap;
    }

    .hero-content h1 {
        font-size: 34px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .course-actions {
        flex-direction: column;
    }

    .course-actions a {
        width: 100%;
    }

    .info-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .info-card {
        padding: 18px;
    }

    .info-card strong {
        font-size: 15px;
    }

    .content-section,
    .syllabus-section {
        padding: 65px 0;
    }

    .section-heading h2 {
        font-size: 30px;
    }

    .syllabus-header {
        padding: 17px;
    }

    .syllabus-header strong {
        font-size: 15px;
    }

    .syllabus-body {
        padding: 0 17px 17px;
    }

    .syllabus-body ul {
        grid-template-columns: 1fr;
    }

    .apply-box {
        padding: 30px 22px;
    }

    .apply-box h2 {
        font-size: 29px;
    }

    .apply-buttons {
        width: 100%;
        flex-direction: column;
    }

    .apply-buttons a {
        width: 100%;
    }
}