@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
    --bg: #080d18;
    --panel: #101827;
    --panel-light: #151f31;
    --text: #f1f5f9;
    --muted: #9aa8bd;
    --blue: #76a9ff;
    --border: #253147;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 85px
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65
}

a {
    color: inherit;
    text-decoration: none
}

h1,
h2,
h3,
.logo {
    font-family: 'Manrope', sans-serif
}

.header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: #080d18ed;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(14px)
}

.nav {
    max-width: 1180px;
    margin: auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px
}

.logo {
    font-size: 23px;
    font-weight: 800;
    letter-spacing: -1px
}

.logo span,
.hero h1 span,
.section-heading h2 span,
.about-content h2 span,
.contact-section h2 span {
    color: var(--blue)
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 14px;
    color: var(--muted)
}

.nav-links a:hover,
.footer a:hover {
    color: var(--blue)
}

.nav-links .nav-btn {
    padding: 9px 16px;
    border: 1px solid #52688a;
    border-radius: 6px;
    color: var(--text)
}

.hero {
    max-width: 1180px;
    margin: auto;
    min-height: 555px;
    padding: 85px 24px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 40px;
    background: radial-gradient(ellipse at 85% 40%, #20395c55, transparent 50%)
}

.hero-content {
    max-width: 620px
}

.tag,
.eyebrow {
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--blue);
    font-weight: 700
}

.hero h1 {
    font-size: clamp(44px, 6vw, 72px);
    line-height: 1.12;
    letter-spacing: -3px;
    margin: 22px 0
}

.hero-content>p {
    max-width: 500px;
    color: var(--muted);
    font-size: 16px
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 28px
}

.btn {
    display: inline-block;
    padding: 13px 20px;
    background: var(--blue);
    color: #08111f;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 700;
    transition: transform .2s, background .2s
}

.btn:hover {
    transform: translateY(-2px);
    background: #a4c6ff
}

.text-btn {
    font-size: 13px;
    color: var(--text)
}

.hero-note {
    margin-top: 34px;
    color: var(--muted);
    font-size: 11px
}

.live-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #77d9b0;
    margin-right: 8px
}

.hero-visual {
    min-height: 320px;
    display: grid;
    place-items: center;
    position: relative;
    background: linear-gradient(#0a1320a8, #0a1320db), url('https://images.unsplash.com/photo-1509062522246-3755977927d7?auto=format&fit=crop&w=1000&q=85') center/cover;
    border: 1px solid #ffffff1a;
    border-radius: 12px
}

.visual-card {
    width: 76%;
    padding: 30px;
    background: #0a1120dc;
    border: 1px solid #ffffff22;
    border-radius: 8px;
    backdrop-filter: blur(10px)
}

.visual-icon {
    font-size: 30px;
    color: var(--blue)
}

.visual-card>p {
    margin-top: 14px;
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--muted)
}

.visual-card h2 {
    font-size: 28px;
    margin: 5px 0 20px
}

.visual-line {
    height: 3px;
    width: 65%;
    background: linear-gradient(90deg, var(--blue), transparent)
}

.visual-small {
    display: block;
    color: var(--muted);
    font-size: 12px;
    margin-top: 15px
}

.floating-note {
    position: absolute;
    bottom: 22px;
    right: -12px;
    padding: 11px 15px;
    background: #18253a;
    border: 1px solid var(--border);
    border-radius: 5px;
    font-size: 12px
}

.stats {
    border-block: 1px solid var(--border);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 27px max(24px, calc((100% - 1132px)/2));
    background: #0d1422
}

.stats>div {
    padding: 0 24px;
    border-right: 1px solid var(--border)
}

.stats>div:last-child {
    border: 0
}

.stats h3 {
    font-size: 25px;
    color: var(--blue)
}

.stats p {
    font-size: 12px;
    color: var(--muted);
    margin-top: 4px
}

.section {
    max-width: 1180px;
    margin: auto;
    padding: 85px 24px
}

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 30px;
    margin-bottom: 32px
}
.link-design{
    display:inline-flex;
    align-items:center;
    gap: 10px;
    margin-top:12px;
    margin-left:10px;
    padding:10px 0;
    background:transparent;
    color:#7c9cff;
    border:hidden;
    border-bottom:1px solid #7c9cff;
    font:inherit;
    font-weight:600;
    cursor:pointer;
    transition:color .2s,border-color .2s;

}
.course-toggle{
    display:inline-flex;
    align-items:center;
    gap:8px;
    margin-top:12px;
    padding:10px 0;
    background:transparent;
    color:#7c9cff;
    border:none;
    border-bottom:1px solid #7c9cff;
    font:inherit;
    font-weight:600;
    cursor:pointer;
    transition:color .2s,border-color .2s;
}
.course-toggle:hover{
    color:#fff;
    border-color:#fff;
}
.course-details{
    margin-top:12px;
    line-height:1.7;
    color:#c5cede;
}
.hidden{display:none;}


.section-heading h2,
.about-content h2,
.contact-section h2 {
    font-size: clamp(30px, 4vw, 43px);
    line-height: 1.25;
    letter-spacing: -1.5px;
    margin-top: 12px
}

.section-heading>p {
    max-width: 370px;
    font-size: 14px;
    color: var(--muted)
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px
}

.course-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: transform .2s, border-color .2s
}

.course-card:hover {
    transform: translateY(-4px);
    border-color: #597db4
}

.course-image {
    height: 150px;
    padding: 14px;
    display: flex;
    align-items: flex-start;
    background-position: center;
    background-size: cover;
    position: relative
}

.course-image:after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, #080d18b8, transparent 75%)
}

.course-image span {
    position: relative;
    z-index: 1;
    padding: 5px 8px;
    background: #080d18c9;
    border: 1px solid #ffffff20;
    border-radius: 3px;
    font-size: 9px;
    letter-spacing: 1px
}

.image-one {
    background-image: url('https://images.unsplash.com/photo-1503676260728-1c00da094a0b?auto=format&fit=crop&w=700&q=80')
}

.image-two {
    background-image: url('https://images.unsplash.com/photo-1532094349884-543bc11b234d?auto=format&fit=crop&w=700&q=80')
}

.image-three {
    background-image: url('https://images.unsplash.com/photo-1635070041078-e363dbe005cb?auto=format&fit=crop&w=700&q=80')
}

.image-four {
    background-image: url('https://images.unsplash.com/photo-1576091160399-112ba8d25d1d?auto=format&fit=crop&w=700&q=80')
}

.image-five {
    background-image: url('https://images.unsplash.com/photo-1434030216411-0b793f4b4173?auto=format&fit=crop&w=700&q=80')
}

.image-six {
    background-image: url('https://images.unsplash.com/photo-1434030216411-0b793f4b4173?auto=format&fit=crop&w=700&q=80')
}

.course-info {
    padding: 20px
}

.course-label {
    font-size: 9px;
    color: var(--blue);
    letter-spacing: 1.4px;
    font-weight: 700
}

.course-info h3 {
    font-size: 18px;
    margin: 8px 0
}

.course-info p {
    min-height: 48px;
    font-size: 12px;
    color: var(--muted)
}

.course-info>a {
    display: inline-block;
    margin-top: 17px;
    font-size: 12px;
    font-weight: 700;
    color: var(--blue)
}

.about-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    padding: 75px max(24px, calc((100% - 1132px)/2));
    background: #0d1422;
    border-block: 1px solid var(--border)
}

.about-content>p {
    max-width: 480px;
    color: var(--muted);
    font-size: 14px;
    margin-top: 18px
}

.benefits {
    display: grid;
    gap: 17px;
    margin-top: 27px
}

.benefits>div {
    display: flex;
    gap: 13px;
    align-items: flex-start
}

.benefits>div>span {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 23px;
    height: 23px;
    border-radius: 50%;
    background: #76a9ff1c;
    color: var(--blue)
}

.benefits p {
    font-size: 12px;
    color: var(--muted)
}

.benefits strong {
    color: var(--text);
    font-size: 14px
}

.about-image {
    min-height: 340px;
    display: flex;
    align-items: end;
    padding: 22px;
    background: linear-gradient(0deg, #080d18ed, transparent 75%), url('https://images.unsplash.com/photo-1523240795612-9a054b0db644?auto=format&fit=crop&w=1000&q=85') center/cover;
    border: 1px solid var(--border);
    border-radius: 8px
}

.image-caption span {
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--blue)
}

.image-caption p {
    font-family: 'Manrope', sans-serif;
    font-size: 22px;
    font-weight: 700;
    max-width: 330px;
    margin-top: 8px
}

.contact-section {
    text-align: center;
    padding: 85px 24px;
    background: radial-gradient(ellipse at center, #1c3352 0%, #0a1120 65%)
}

.contact-section>p {
    max-width: 500px;
    margin: 15px auto 24px;
    color: var(--muted);
    font-size: 14px
}

.contact-section small {
    display: block;
    margin-top: 14px;
    font-size: 10px;
    color: var(--muted)
}

.footer {
    padding: 35px 24px;
    text-align: center;
    border-top: 1px solid var(--border)
}

.footer>p {
    font-size: 12px;
    color: var(--muted);
    margin-top: 8px
}

.footer>div {
    display: flex;
    justify-content: center;
    gap: 22px;
    margin-top: 20px;
    font-size: 12px;
    color: var(--muted)
}

.footer .copyright {
    padding-top: 20px;
    margin-top: 22px;
    border-top: 1px solid var(--border);
    font-size: 10px
}

@media(max-width:800px) {
    .hero {
        grid-template-columns: 1fr;
        padding-block: 60px
    }

    .hero-visual {
        min-height: 280px
    }

    .course-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr))
    }

    .about-section {
        grid-template-columns: 1fr;
        gap: 30px;
        padding-block: 60px
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 22px
    }

    .stats>div:nth-child(2) {
        border: 0
    }
}

@media(max-width:520px) {
    .nav {
        padding: 13px 17px;
        align-items: flex-start;
        flex-direction: column;
        gap: 10px
    }

    .nav-links {
        width: 100%;
        gap: 15px;
        flex-wrap: wrap;
        font-size: 12px
    }

    .nav-links .nav-btn {
        padding: 6px 10px
    }

    .hero {
        padding: 55px 20px;
        gap: 30px
    }

    .hero h1 {
        letter-spacing: -2px
    }

    .hero-actions {
        gap: 16px
    }

    .hero-note {
        line-height: 1.9
    }

    .section {
        padding: 60px 18px
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px
    }

    .course-grid {
        grid-template-columns: 1fr
    }

    .course-image {
        height: 175px
    }

    .course-info p {
        min-height: 0
    }

    .stats {
        padding: 25px 12px
    }

    .stats>div {
        padding: 0 12px
    }

    .stats h3 {
        font-size: 22px
    }

    .stats p {
        font-size: 11px
    }

    .about-section {
        padding: 55px 20px
    }

    .about-image {
        min-height: 260px
    }

    .contact-section {
        padding: 65px 20px
    }
}