* {
    box-sizing: border-box;
}

:root {
    --blue: #25378b;
    --dark-blue: #17205f;
    --light-blue: #2fb7e8;
    --yellow: #eef20a;
    --text: #172033;
    --white: #ffffff;
}

html,
body {
    margin: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background: #eaf6ff;
}

.landing-page {
    width: 100%;
    height: 100svh;
    overflow: hidden;
    background:
        radial-gradient(circle at 82% 20%, rgba(47, 183, 232, .32), transparent 30%),
        radial-gradient(circle at 12% 86%, rgba(37, 55, 139, .16), transparent 28%),
        linear-gradient(135deg, #eef9ff 0%, #dcefff 45%, #f8fbff 100%);
}

.hero-section {
    position: relative;
    width: min(1320px, calc(100% - 48px));
    height: 100svh;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(390px, .86fr);
    align-items: center;
    gap: clamp(24px, 4vw, 70px);
    overflow: hidden;
}

.hero-section::before {
    content: "";
    position: absolute;
    inset: 30px 0;
    border-radius: 42px;
    background: rgba(255, 255, 255, .38);
    border: 1px solid rgba(255, 255, 255, .52);
    box-shadow: 0 24px 80px rgba(23, 32, 95, .12);
    z-index: 0;
}

.hero-content,
.hero-visual {
    position: relative;
    z-index: 2;
}

.hero-content {
    padding-left: clamp(18px, 3vw, 54px);
}

.hero-badge {
    display: inline-flex;
    margin-bottom: 20px;
    padding: 10px 18px;
    border-radius: 999px;
    background: rgba(47, 183, 232, .16);
    color: var(--blue);
    font-size: clamp(13px, 1.1vw, 16px);
    font-weight: 900;
    letter-spacing: .4px;
}


.hero-content h1 {
    margin: 0;
    color: var(--text);
    font-size: clamp(40px, 5vw, 76px);
    line-height: 1.08;
    font-weight: 900;
    letter-spacing: -2px;
}

.hero-content h1 .title-main {
    display: block;
    white-space: nowrap;
}

.hero-content h1 .title-sub {
    display: block;
    white-space: nowrap;
    color: var(--blue);
    text-shadow: 3px 3px 0 rgba(238, 242, 10, .72);
}

.hero-content p {
    width: min(700px, 100%);
    margin: 26px 0 0;
    color: #263552;
    font-size: clamp(18px, 1.6vw, 24px);
    line-height: 1.72;
    text-align: justify;
    text-justify: inter-word;
}


.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 34px;
    min-width: 250px;
    min-height: 60px;
    padding: 16px 34px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--light-blue), #1f9fd0);
    color: #fff;
    text-decoration: none;
    font-size: clamp(18px, 1.5vw, 22px);
    font-weight: 900;
    box-shadow: 0 18px 36px rgba(47, 183, 232, .34);
    transition: .2s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    filter: brightness(1.04);
}

.hero-visual {
    height: min(760px, calc(100svh - 80px));
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-glow {
    position: absolute;
    width: min(520px, 88%);
    aspect-ratio: 1;
    border-radius: 50%;
    background:
        radial-gradient(circle, rgba(47, 183, 232, .32), rgba(47, 183, 232, .10) 45%, transparent 70%);
    filter: blur(4px);
    z-index: 1;
}

.sobi-image {
    position: relative;
    z-index: 3;
    width: min(430px, 88%);
    max-height: calc(100svh - 110px);
    object-fit: contain;
    filter: drop-shadow(0 28px 38px rgba(23, 32, 95, .22));
}

.logo-card {
    position: absolute;
    z-index: 4;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, .88);
    border: 1px solid rgba(255, 255, 255, .76);
    box-shadow: 0 16px 40px rgba(23, 32, 95, .16);
    backdrop-filter: blur(8px);
}

.logo-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo-campus {
    top: 2%;
    left: 2%;
    width: clamp(84px, 8vw, 132px);
    height: clamp(84px, 8vw, 132px);
    border-radius: 26px;
    padding: 10px;
}

.logo-unggul {
    right: 2%;
    bottom: 9%;
    width: clamp(92px, 9vw, 150px);
    height: clamp(92px, 9vw, 150px);
    border-radius: 50%;
    padding: 8px;
}

/* Tablet */
@media (max-width: 1024px) {
    .hero-section {
        width: calc(100% - 28px);
        grid-template-columns: 1fr .78fr;
        gap: 18px;
    }

    .hero-content {
        padding-left: 22px;
    }

    .hero-content h1 {
        font-size: clamp(40px, 6vw, 64px);
    }

    .hero-content p {
        font-size: 17px;
        line-height: 1.6;
    }

    .sobi-image {
        width: min(340px, 88%);
    }
}

/* Mobile */
@media (max-width: 760px) {
    .hero-section {
        width: calc(100% - 20px);
        height: 100svh;
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        gap: 4px;
        align-items: start;
        padding: 14px 0;
    }

    .hero-section::before {
        inset: 10px 0;
        border-radius: 28px;
    }

    .hero-content {
        text-align: center;
        padding: 20px 18px 0;
    }

    .hero-badge {
        margin-bottom: 12px;
        padding: 8px 14px;
        font-size: 12px;
    }

    .hero-content h1 {
        font-size: clamp(33px, 9vw, 46px);
        letter-spacing: -1px;
    }

    .hero-content p {
        margin-top: 14px;
        font-size: clamp(14px, 3.8vw, 16px);
        line-height: 1.48;
    }

    .btn-primary {
        margin-top: 18px;
        min-height: 50px;
        min-width: 76vw;
        font-size: 17px;
        padding: 12px 24px;
    }

    .hero-visual {
        height: auto;
        min-height: 0;
        align-self: end;
        padding-bottom: 10px;
    }

    .sobi-image {
        width: min(250px, 70vw);
        max-height: 34svh;
    }

    .logo-campus {
        top: 2%;
        left: 8%;
        width: 72px;
        height: 72px;
        border-radius: 18px;
        padding: 7px;
    }

    .logo-unggul {
        right: 8%;
        bottom: 8%;
        width: 78px;
        height: 78px;
        padding: 5px;
    }
}

/* HP kecil */
@media (max-width: 420px) {
    .hero-content {
        padding-top: 16px;
    }

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

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

    .btn-primary {
        margin-top: 16px;
        min-height: 48px;
        font-size: 16px;
    }

    .sobi-image {
        width: min(230px, 68vw);
        max-height: 32svh;
    }

    .logo-campus {
        width: 62px;
        height: 62px;
    }

    .logo-unggul {
        width: 68px;
        height: 68px;
    }
}