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

html {
    font-size: 16px;
    scroll-behavior: smooth
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f8fafc;
    color: #222;
    line-height: 1.6;
    overflow-x: hidden
}

header {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .04);
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1rem
}

.logo img {
    height: 40px;
    width: auto
}

.nav-links {
    list-style: none;
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
    gap: 1rem
}

.nav-links a {
    text-decoration: none;
    color: #222;
    font-weight: 500;
    transition: color .2s;
    padding: .5rem 0;
    display: block
}

.nav-links a.cta {
    background: #2563eb;
    color: #fff;
    padding: .5rem 1.2rem;
    border-radius: 24px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(37, 99, 235, .08);
    text-align: center;
    margin-top: .5rem
}

.nav-links a:hover {
    color: #2563eb
}

.mobile-menu-toggle {
    display: block;
    background: 0 0;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #222;
    padding: .5rem
}

.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 1200px;
    margin: 1rem auto 0 auto;
    padding: 1rem;
    background: url(../images/BG-Blue.webp) center/cover no-repeat;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(37, 99, 235, .06);
    gap: 1.5rem;
    position: relative;
    min-height: 500px
}

.hero-overlay {
    width: 100%;
    background: rgba(10, 25, 60, .72);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    min-height: 400px;
    box-shadow: 0 2px 16px rgba(30, 64, 175, .1)
}

.hero-content {
    color: #fff;
    width: 100%
}

.hero-brand {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: #fff;
    margin-bottom: .7rem;
    text-shadow: 0 2px 8px rgba(30, 64, 175, .1)
}

.hero-content h1 {
    font-size: 2rem;
    color: #60a5fa;
    margin-bottom: 1rem;
    font-weight: 800;
    text-shadow: 0 2px 8px rgba(0, 0, 0, .18)
}

.hero-sub {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: #e0e7ef;
    font-weight: 400
}

.hero-stats {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.7rem
}

.stat {
    background: rgba(255, 255, 255, .1);
    border-radius: 12px;
    padding: .7rem 1.3rem;
    text-align: center;
    box-shadow: 0 2px 8px rgba(30, 64, 175, .08)
}

.stat-label {
    font-size: .9rem;
    color: #c7d2fe;
    margin-bottom: .2rem;
    font-weight: 500
}

.stat-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
    text-shadow: 0 2px 8px rgba(30, 64, 175, .1)
}

.btn-primary {
    background: #2563eb;
    color: #fff;
    padding: .75rem 2rem;
    border-radius: 24px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 0 2px 8px rgba(37, 99, 235, .08);
    transition: background .2s;
    display: inline-block;
    margin-right: 1rem;
    margin-bottom: .5rem
}

.btn-primary:hover {
    background: #1e40af
}

.btn-secondary {
    background: #ffd600;
    color: #1e40af;
    padding: .75rem 2rem;
    border-radius: 24px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 0 2px 8px rgba(255, 214, 0, .1);
    transition: background .2s;
    display: inline-block
}

.btn-secondary:hover {
    background: #ffe066
}

.hero-img {
    width: 280px;
    height: 280px;
    border-radius: 16px;
    object-fit: contain;
    box-shadow: 0 2px 16px rgba(30, 64, 175, .1);
    background: #fff;
    padding: .1rem
}

.programs {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 1rem
}

.programs h2 {
    text-align: center;
    color: #1e40af;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2rem
}

.program-card-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    justify-content: center;
    align-items: center;
    margin-top: 2rem
}

.program-card {
    background: #0a2259;
    border-radius: 20px;
    box-shadow: 0 4px 24px rgba(37, 99, 235, .1);
    overflow: hidden;
    width: 100%;
    max-width: 380px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform .18s, box-shadow .18s;
    border: 2px solid #e0e7ef;
    padding-bottom: 2rem
}

.program-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 8px 32px rgba(37, 99, 235, .18);
    border-color: #2563eb
}

.program-img {
    width: 100%;
    height: 320px;
    object-fit: contain;
    background: #fff;
    border-bottom: 2px solid #e0e7ef;
    padding: 1rem
}

.program-card-content {
    padding: 1.5rem 1.2rem 0 1.2rem;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center
}

.program-title {
    display: block;
    font-size: 1.25rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: 1px;
    margin: 1.3rem 0 1rem 0;
    text-align: center;
    text-shadow: 0 2px 8px rgba(30, 64, 175, .1)
}

.program-features {
    color: #f1f5fa;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    margin-top: .2rem;
    text-align: left;
    width: 100%;
    padding-left: 1.2rem;
    list-style: disc;
    line-height: 1.6
}

.program-features li {
    margin-bottom: .3rem;
    color: #e0e7ef;
    font-weight: 500;
    text-shadow: 0 1px 4px rgba(30, 64, 175, .08)
}

.advantages {
    background: url(../images/BG-White.webp) center/cover no-repeat;
    padding: 2rem 1rem;
    contain: fit
}

.advantages h2 {
    text-align: center;
    color: #1e40af;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2rem
}

.adv-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    justify-content: center;
    align-items: center
}

.adv-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(37, 99, 235, .1);
    border: 2px solid #e0e7ef;
    padding: 1.5rem 1rem;
    width: 100%;
    max-width: 280px;
    height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: transform .18s, box-shadow .18s, border-color .18s;
    text-align: center
}

.adv-card:hover {
    transform: translateY(-6px) scale(1.04);
    box-shadow: 0 8px 32px rgba(37, 99, 235, .16);
    border-color: #2563eb
}

.adv-icon {
    font-size: 2.5rem;
    margin-bottom: .7rem;
    color: #2563eb;
    filter: drop-shadow(0 2px 8px rgba(37, 99, 235, .1))
}

.adv-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1e40af;
    margin-bottom: .5rem
}

.adv-desc {
    font-size: .95rem;
    color: #334155;
    line-height: 1.5
}

.facilities {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem
}

.facilities h2 {
    text-align: center;
    color: #1e40af;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2rem
}

.facility-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    justify-content: center;
    align-items: center
}

.facility-list img {
    width: 100%;
    max-width: 300px;
    height: 200px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, .06)
}

.gallery {
    background: url(../images/BG-Blue.webp) center/cover no-repeat;
    padding: 2rem 1rem
}

.gallery h2 {
    text-align: center;
    color: #fff;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2rem
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto
}

.student-card {
    background: #0a2259;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(37, 99, 235, .1);
    transition: transform .18s, box-shadow .18s
}

.student-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 24px rgba(37, 99, 235, .16)
}

.student-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    background: #fff;
    display: block
}

.activities {
    background: url(../images/BG-Blue.webp) center/cover no-repeat;
    padding: 2rem 1rem;
    text-align: center
}

.activities h2 {
    color: #fff;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 0 2px 8px rgba(30, 64, 175, .1)
}

.join-btn {
    background: #ffd600;
    color: #1e40af;
    padding: .7rem 2rem;
    border-radius: 24px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 2px 8px rgba(255, 214, 0, .1);
    transition: background .18s, color .18s;
    display: inline-block;
    margin-top: 2rem
}

.join-btn:hover {
    background: #ffe066;
    color: #1e40af
}

.activity-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto
}

.activity-card {
    background: rgba(255, 255, 255, .1);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(37, 99, 235, .1);
    transition: transform .18s, box-shadow .18s;
    width: 100%;
    max-width: 350px;
    backdrop-filter: blur(8px)
}

.activity-card:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: 0 8px 32px rgba(37, 99, 235, .16)
}

.activity-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: #fff
}

.activity-title {
    padding: 1.2rem;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    text-shadow: 0 1px 4px rgba(30, 64, 175, .08)
}

.testimonials {
    background: #fff;
    padding: 2rem 1rem;
    text-align: center
}

.testimonials h2 {
    color: #1e40af;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2rem
}

.testimonial-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto
}

.testimonial-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(37, 99, 235, .1);
    transition: transform .18s, box-shadow .18s
}

.testimonial-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 8px 32px rgba(37, 99, 235, .16)
}

.testimonial-card img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover
}

.video-gallery {
    background: url(../images/BG-Blue.webp) center/cover no-repeat;
    padding: 2rem 1rem
}

.video-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    text-align: center
}

.video-text {
    width: 100%;
    color: #fff
}

.video-text h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 0 2px 8px rgba(30, 64, 175, .1)
}

.video-text p {
    font-size: 1rem;
    line-height: 1.6;
    color: #e0e7ef
}

.video-player {
    width: 100%;
    display: flex;
    justify-content: center
}

.video-player iframe {
    width: 100%;
    max-width: 560px;
    height: 250px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, .3)
}

footer {
    background: #f8fafc;
    color: #222;
    padding: 2rem 0 1rem 0;
    margin-top: 2rem
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 0 1rem;
    margin-bottom: 2rem
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: center
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .8rem;
    margin-bottom: 1rem
}

.footer-logo img {
    height: 76px;
    width: 260px;
    object-fit: contain
}

.footer-heading {
    font-size: 1rem;
    font-weight: 700;
    color: #1e40af;
    margin-bottom: .5rem;
    text-transform: uppercase
}

.footer-address p {
    font-size: .9rem;
    color: #64748b;
    margin-bottom: .2rem;
    line-height: 1.4
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: .5rem
}

.footer-links a {
    font-size: .9rem;
    color: #64748b;
    text-decoration: none;
    transition: color .2s
}

.footer-links a:hover {
    color: #1e40af
}

.footer-buttons {
    display: flex;
    flex-direction: column;
    gap: .8rem;
    margin-bottom: 1rem
}

.footer-btn-primary {
    background: #ffd600;
    color: #1e40af;
    padding: .6rem 1.2rem;
    border-radius: 24px;
    text-decoration: none;
    font-weight: 600;
    font-size: .9rem;
    text-align: center;
    transition: background .2s;
    display: inline-block
}

.footer-btn-primary:hover {
    background: #ffe066
}

.footer-btn-secondary {
    background: #2563eb;
    color: #fff;
    padding: .6rem 1.2rem;
    border-radius: 24px;
    text-decoration: none;
    font-weight: 600;
    font-size: .9rem;
    text-align: center;
    transition: background .2s;
    display: inline-block
}

.footer-btn-secondary:hover {
    background: #1e40af
}

.social-icons {
    display: flex;
    gap: .8rem;
    justify-content: center
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 2px 8px rgba(37, 99, 235, .08);
    transition: transform .2s
}

.social-icon:hover {
    transform: scale(1.1)
}

.social-icon img {
    width: 20px;
    height: 20px;
    object-fit: contain
}

.footer-copyright {
    text-align: center;
    padding: 1.5rem 0 0 0;
    border-top: 1px solid #e2e8f0;
    margin-top: 2rem
}

.footer-copyright p {
    font-size: .9rem;
    color: #64748b
}


/* Section button WA */
.button-wa {
    position: fixed;
    bottom: 10%;
    right: 5%;
    z-index: 99999999;
}

.button-wa a {
    display: inline-flex;
    align-items: center;
    background-color: #002B5B;
    padding: 8px 12px 8px 20px;
    /* ruang kiri lebih lebar */
    border-radius: 30px;
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    position: relative;
}

.button-wa .text-label {
    margin-right: 40px;
    /* ruang kosong agar logo muat di kanan */
    white-space: nowrap;
}

.button-wa img {
    width: 70px;
    position: absolute;
    right: -20px;
    /* biar nempel keluar dari oval */
    top: 50%;
    transform: translateY(-50%);
}

/* Section list kota */
.list-kota {
    margin: 20px 0;
}

.list-kota .container h3 {
    font-size: 30px;
    margin-bottom: 20px;
    text-align: center;
}

.list-kota .container {
    box-shadow: 1px 1px 3px #aaa;
    padding: 30px;
    border-radius: 10px;
}

.list-kota .container .d-grid {
    display: grid;
    grid-template-columns:
        repeat(4, 1fr);
    gap: 10px;
}

.list-kota .container .d-grid a {
    color: #002B5B;
}



@media (min-width:768px) {
    .navbar {
        padding: 1rem 2rem
    }

    .logo img {
        height: 48px
    }

    .nav-links {
        display: flex;
        position: static;
        background: 0 0;
        box-shadow: none;
        flex-direction: row;
        padding: 0;
        gap: 1.5rem
    }

    .mobile-menu-toggle {
        display: none
    }

    .hero {
        flex-direction: row;
        padding: 2rem;
        gap: 2rem;
        min-height: 600px
    }

    .hero-overlay {
        flex: 1;
        padding: 2.5rem 2rem 2.5rem 2.5rem;
        align-items: flex-start;
        justify-content: center;
        text-align: left;
        min-height: 420px
    }

    .hero-content h1 {
        font-size: 2.5rem
    }

    .hero-sub {
        font-size: 1.1rem
    }

    .hero-stats {
        flex-direction: row;
        gap: 2.5rem
    }

    .hero-img {
        width: 320px;
        height: 320px;
        border-radius: 24px;
        padding: 1rem
    }

    .programs {
        margin: 3rem auto;
        padding: 0 2rem
    }

    .programs h2 {
        font-size: 2.5rem
    }

    .program-card-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 2.5rem
    }

    .program-card {
        width: 340px
    }

    .program-img {
        height: 320px;
        object-fit: contain;
        padding: 1rem
    }

    .advantages {
        padding: 3rem 2rem
    }

    .advantages h2 {
        font-size: 2.5rem
    }

    .adv-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 2rem
    }

    .adv-card {
        width: 180px;
        height: 180px;
        padding: 1.2rem 1rem 1rem 1rem
    }

    .adv-icon {
        font-size: 2rem
    }

    .adv-title {
        font-size: 1.05rem
    }

    .adv-desc {
        font-size: .95rem
    }

    .facilities {
        margin: 3rem auto;
        padding: 0 2rem
    }

    .facilities h2 {
        font-size: 2.5rem
    }

    .facility-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 2rem
    }

    .facility-list img {
        width: 260px;
        height: 180px
    }

    .gallery {
        padding: 3rem 2rem
    }

    .gallery h2 {
        font-size: 2.5rem
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem
    }

    .student-card img {
        height: 100%
    }

    .activities {
        padding: 3rem 2rem
    }

    .activities h2 {
        font-size: 2.5rem
    }

    .activity-grid {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 2rem
    }

    .activity-card {
        width: 320px
    }

    .activity-card img {
        height: 220px
    }

    .testimonials {
        padding: 3rem 2rem
    }

    .testimonials h2 {
        font-size: 2.5rem
    }

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

    .video-gallery {
        padding: 3rem 2rem
    }

    .video-content {
        flex-direction: row;
        text-align: left;
        gap: 3rem
    }

    .video-text h2 {
        font-size: 2.5rem
    }

    .video-text p {
        font-size: 1.1rem
    }

    .video-player iframe {
        height: 315px
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
        padding: 0 2rem
    }

    .footer-column {
        text-align: left
    }

    .footer-logo {
        justify-content: flex-start
    }

    .social-icons {
        justify-content: flex-start
    }
}

@media (min-width:1024px) {
    .navbar {
        max-width: 1200px
    }

    .hero {
        max-width: 1200px;
        border-radius: 24px
    }

    .hero-overlay {
        border-radius: 24px
    }

    .program-card-list {
        gap: 2.5rem
    }

    .adv-list {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
        max-width: 1200px;
        margin: 0 auto
    }

    .adv-card {
        width: 100%;
        height: 200px;
        padding: 1.5rem 1rem
    }

    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem
    }

    .footer-content {
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem
    }

    .footer-logo img {
        height: 80px;
        width: 260px
    }
}

@media (min-width:1200px) {
    .hero {
        margin: 2rem auto 0 auto
    }

    .program-card-list {
        justify-content: center
    }

    .adv-list {
        justify-content: center
    }

    .facility-list {
        justify-content: center
    }

    .activity-grid {
        justify-content: center
    }

    .testimonial-grid {
        max-width: 900px
    }

    .video-content {
        max-width: 1200px
    }
}

@media (min-width:1400px) {
    .hero {
        margin: 3rem auto 0 auto
    }

    .programs {
        margin: 4rem auto
    }

    .advantages {
        padding: 4rem 2rem
    }

    .facilities {
        margin: 4rem auto
    }

    .gallery {
        padding: 4rem 2rem
    }

    .activities {
        padding: 4rem 2rem
    }

    .testimonials {
        padding: 4rem 2rem
    }

    .video-gallery {
        padding: 4rem 2rem
    }
}

@media (-webkit-min-device-pixel-ratio:2),
(min-resolution:192dpi) {
    .hero {
        background-image: url(../images/BG-Blue.webp)
    }

    .advantages {
        background-image: url(../images/BG-White.webp)
    }

    .gallery {
        background-image: url(../images/BG-Blue.webp)
    }

    .activities {
        background-image: url(../images/BG-Blue.webp)
    }

    .video-gallery {
        background-image: url(../images/BG-Blue.webp)
    }
}

@media print {

    .btn-primary,
    .btn-secondary,
    .footer-buttons,
    .join-btn,
    .mobile-menu-toggle,
    .navbar,
    .social-icons {
        display: none !important
    }

    .hero {
        background: 0 0 !important;
        color: #000 !important
    }

    .hero-overlay {
        background: 0 0 !important;
        color: #000 !important
    }

    .hero-content h1 {
        color: #000 !important
    }

    .hero-sub {
        color: #333 !important
    }

    .stat {
        background: #f0f0f0 !important;
        color: #000 !important
    }

    .stat-label,
    .stat-value {
        color: #000 !important
    }
}




/* Responsif */
@media only screen and (max-width: 767px) {
    .navbar {
        padding: 3px 1rem;
    }

    .button-wa a {
        font-size: 12px;
        padding: 3px 5px 3px 16px;
    }

    .button-wa img {
        width: 45px;
        right: -12px;
        right: -10px;
    }

    .list-kota .container .d-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .list-kota .container h3 {
        font-size: 26px;
        margin-bottom: 10px;
    }

    .list-kota {
        padding: 0 10px;
    }
}