:root {
    --container-padding: 2rem;
    --universal-gap: 1.25rem;
    --brand-blue-1: #133e80;
    /* left dark */
    --brand-blue-2: #2f75f7;
    /* right bright */
    --accent: #f6f9ff;
    --text: #233044;
    --muted: #7b8aa3;
}

/* Reset-ish */
* {
    box-sizing: border-box
}

body {
    font-family: "Rubik", sans-serif;
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    background: #fff;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 999;
}

.navbar-brand {
    text-decoration: none;
    color: var(--text);
}

.logo-badge {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: linear-gradient(180deg, #2c6be6 0%, #1e3b8a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    letter-spacing: 0.6px;
    box-shadow: 0 4px 10px rgba(37, 66, 117, 0.08);
    font-size: 0.9rem;
}

.brand-name {
    font-weight: 700;
    margin-left: 6px;
    color: #12325b;
    font-size: 1rem;
}

/* Hero */
.hero-section {
    position: relative;
    overflow: hidden;
    padding-top: 1.25rem;
}

.hero-image-wrap {
    max-width: 320px;
    width: 100%;
    position: relative;
}

.hero-image-wrap::before {
    content: "";
    position: absolute;
    inset: -18px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.25), transparent 70%);
    z-index: -1;
    border-radius: 24px;
}

/* Responsive tweak */
@media (max-width: 991px) {
    .hero-image-wrap {
        margin: 0 auto;
        max-width: 240px;
    }

    .hero-image {
        border-radius: 16px;
    }
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: 18px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
    object-fit: cover;
    background: #fff;
}

.hero-bg {
    position: absolute;
    inset: 0;
    /* left-to-right gradient similar to reference + subtle overlay circles */
    background: linear-gradient(90deg, var(--brand-blue-1) 0%, var(--brand-blue-2) 100%);
    background-size: cover;
    filter: saturate(105%);
    z-index: 0;
    min-height: 320px;
}

/* Optional decorative image overlay — place your provided image path here */
.hero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.12;
    background-image: url('../assets/hero.png');
    /* <-- put your provided image here: assets/hero.png */
    background-repeat: no-repeat;
    background-position: left center;
    background-size: 30%;
    mix-blend-mode: overlay;
    pointer-events: none;
}

/* translucent circular bokeh like shapes */
.hero-bg::before {
    content: "";
    position: absolute;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    left: 5%;
    top: 10%;
    background: rgba(255, 255, 255, 0.03);
    filter: blur(28px);
    transform: translateZ(0);
}

/* hero content */
.hero-content {
    position: relative;
    z-index: 2;
    padding: var(--container-padding);
    min-height: 320px;
    display: flex;
    align-items: center;
}

.hero-title {
    color: #fff;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 0.6rem;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.02;
}

.hero-sub {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

/* small muted text */
.muted {
    color: rgba(255, 255, 255, 0.85);
}

/* Cards and content areas */
.card {
    border: none;
    border-radius: 12px;
}

/* Footer */
footer {
    font-size: 0.9rem;
    color: var(--muted);
}

/* Responsiveness tweaks */
@media (max-width: 991px) {
    .navbar-brand .brand-name {
        font-size: 0.95rem;
    }

    .hero-bg::after {
        background-size: 45%;
        background-position: center right;
        opacity: 0.08;
    }

    .hero-content {
        padding: 1.5rem;
        min-height: 280px;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: clamp(1.5rem, 6vw, 2.1rem);
    }

    .logo-badge {
        width: 40px;
        height: 40px;
        font-size: 0.85rem;
        margin: 0 10px;
    }
}

/* Section Title */
.section-title h2 {
    font-weight: 700;
    color: #0d2e70;
}

.section-title .underline {
    width: 60px;
    height: 4px;
    background: #2f75f7;
    margin-top: 6px;
}

/* Research Overview Cards */
.stat-card {
    background: linear-gradient(135deg, #133e80 0%, #2f75f7 100%);
    padding: 50px 20px;
    border-radius: 15px;
    text-align: center;
    color: #fff;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: transform .3s ease, box-shadow .3s ease;
}

.stat-card h3 {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-card p {
    font-size: 1rem;
    opacity: 0.9;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.18);
}












/* Research Area Cards */
.area-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(36, 63, 105, 0.06);
    border: 1px solid rgba(31, 58, 130, 0.06);
    position: relative;
    overflow: visible;
    transition: 0.25s ease;
}

/* Blue top bar */
.area-top {
    height: 8px;
    background: linear-gradient(90deg, #4a86ff, #2f75f7);
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    position: absolute;
    left: 12px;
    right: 12px;
    top: 12px;
}

/* Card body pushes down to clear the top accent */
.area-body {
    margin-top: 28px;
}

/* Icon */
.area-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: rgba(47, 117, 247, 0.1);
    color: #2f75f7;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 12px;
}

/* Title */
.area-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #12325b;
    margin-bottom: 10px;
}

/* Description */
.area-desc {
    font-size: 0.95rem;
    color: #6c7689;
    line-height: 1.6;
}

/* Hover effect */
.area-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 22px 50px rgba(36, 63, 105, 0.12);
}

/* Equal height fix */
.row.gy-4>[class*="col-"] {
    display: flex;
}

.row.gy-4>[class*="col-"] .area-card {
    width: 100%;
    display: flex;
    flex-direction: column;
}

.area-body {
    flex: 1;
}

/* Responsive */
@media (max-width: 576px) {
    .area-icon {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }

    .area-title {
        font-size: 1rem;
    }
}


/* FOOTER */
.site-footer {
    background: #1b2635;
    /* dark navy */
    padding: 60px 20px;
    color: #d6dce5;
    margin-top: 60px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}

.footer-inner {
    max-width: 900px;
    margin: 0 auto;
}

.footer-quote {
    font-style: italic;
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 25px;
    color: #e2e7ef;
}

.footer-copy {
    font-size: 0.95rem;
    color: #b9c2cf;
    margin-bottom: 10px;
}

.footer-tags {
    font-size: 0.9rem;
    color: #9ca8b8;
}

/* Responsive */
@media (max-width: 576px) {
    .footer-quote {
        font-size: 0.95rem;
        line-height: 1.45;
    }

    .footer-copy,
    .footer-tags {
        font-size: 0.85rem;
    }
}













/* Research Highlight Section */
.research-highlight {
    font-family: "Rubik", sans-serif;
}

/* LEFT BOX (INTRO) */
.rh-intro {
    background: #ffffff;
    border-radius: 14px;
    padding: 26px;
    box-shadow: 0 12px 30px rgba(31, 58, 105, 0.05);
    border: 1px solid rgba(31, 58, 130, 0.06);
}

/* SMALL ICON INSIDE INTRO BOX */
.rh-intro-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: linear-gradient(135deg, #4a86ff22, #2f75f733);
    box-shadow: 0 8px 20px rgba(36, 63, 105, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.rh-intro-icon img {
    width: 34px;
    height: 34px;
    opacity: 0.95;
}

.rh-title {
    font-size: 1.55rem;
    font-weight: 700;
    color: #0d2e70;
}

.rh-underline {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #4a86ff, #2f75f7);
    border-radius: 4px;
    margin: 8px 0 16px;
}

.rh-lead {
    color: #4b5b73;
    font-size: 1rem;
    line-height: 1.6;
}

/* RIGHT SIDE ITEMS */
.rh-item {
    background: #ffffff;
    border-radius: 14px;
    border: 1px solid rgba(31, 58, 130, 0.05);
}

.card-shadow {
    box-shadow: 0 10px 25px rgba(31, 58, 105, 0.06);
}

/* NUMBER BOX */
.rh-num {
    min-width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(180deg, #2f75f7, #275fdf);
    color: #fff;
    font-weight: 700;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(47, 117, 247, 0.18);
}

/* TITLES + TEXT */
.rh-item-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #12325b;
    margin-bottom: 6px;
}

.rh-item-desc {
    color: #5a687c;
    line-height: 1.55;
    font-size: 0.96rem;
}

/* RESPONSIVE */
@media (max-width: 991px) {
    .rh-intro {
        padding: 20px;
    }
}

@media (max-width: 576px) {
    .research-highlight {
        padding-left: 12px;
        padding-right: 12px;
    }

    .rh-title {
        font-size: 1.35rem;
    }

    .rh-intro-icon {
        width: 50px;
        height: 50px;
    }

    .rh-intro-icon img {
        width: 30px;
        height: 30px;
    }
}









/*  */
/* Research Details Reusing Existing Card Design */
.detail-card {
    background: #fff;
    border-radius: 12px;
    border: 1px solid rgba(31, 58, 130, 0.06);
    box-shadow: 0 10px 30px rgba(36, 63, 105, 0.06);
    transition: transform .25s cubic-bezier(.22, 1, .36, 1),
        box-shadow .25s cubic-bezier(.22, 1, .36, 1);
}

/* Hover identical to area-card */
.detail-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 22px 50px rgba(36, 63, 105, 0.12);
}

/* Blue top bar (same as .area-top) */
.detail-top {
    height: 8px;
    background: linear-gradient(90deg, #4a86ff, #2f75f7);
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    position: absolute;
    left: 12px;
    right: 12px;
    top: 12px;
}

.detail-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #12325b;
}

.detail-text {
    font-size: 0.96rem;
    color: #5a687c;
    line-height: 1.65;
}

.detail-note {
    font-size: 0.94rem;
    color: #3c4d63;
    margin-top: 10px;
}




















/* Academic Section Card */
.academic-card {
    background: #ffffff;
    border-radius: 14px;
    border: 1px solid rgba(31, 58, 130, 0.06);
    box-shadow: 0 12px 30px rgba(31, 58, 105, 0.05);
    overflow: hidden;
}

/* Rows */
.academic-row {
    display: grid;
    grid-template-columns: 1.3fr 0.9fr 2fr;
    gap: 16px;
    padding: 16px 22px;
    align-items: center;
    border-top: 1px solid rgba(31, 58, 130, 0.05);
    transition: background 0.25s ease;
}

/* Header row */
.academic-head {
    background: linear-gradient(90deg, #133e80, #2f75f7);
    color: #fff;
    font-weight: 700;
    border-top: none;
}

/* Content styling */
.ac-title {
    font-weight: 700;
    color: #12325b;
}

.ac-year {
    font-weight: 600;
    color: #2f75f7;
}

.ac-inst {
    color: #4b5b73;
}

/* Highlight current role */
.academic-row.highlight {
    background: #f0f6ff;
}

/* Hover */
.academic-row:not(.academic-head):hover {
    background: #f8fbff;
}

/* Mobile layout */
@media (max-width: 768px) {
    .academic-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .academic-head {
        display: none;
    }

    .academic-row {
        padding: 18px 20px;
    }

    .ac-year {
        color: #2f75f7;
        font-size: 0.95rem;
    }
}

/* Academic Stats Summary */
.academic-stats {
    background: linear-gradient(135deg, #0f1f33, #1b3358);
    color: #e8eef7;
    border-radius: 14px;
    padding: 22px 26px;
    box-shadow: 0 14px 35px rgba(0, 0, 0, 0.18);
    font-size: 1rem;
    line-height: 1.65;
}

.academic-stats strong {
    color: #ffffff;
    font-weight: 700;
}

/* spacing between lines */
.academic-stats p {
    margin-bottom: 10px;
}

/* responsive */
@media (max-width: 576px) {
    .academic-stats {
        padding: 18px 20px;
        font-size: 0.95rem;
    }
}