/* ==========================================================================
   VEBNOX ELITE DESIGN SYSTEM (Apple / Framer / Rivian Aesthetic)
   ========================================================================== */

:root {
    /* Light Luxury Agricultural Palette */
    --vbx-color-bg: #fdfdfc;
    /* Pure white with a warm touch */
    --vbx-color-surface: #ffffff;
    /* Crisp white surface */
    --vbx-color-surface-hover: #f5f7f5;

    --vbx-color-primary: #061c10;
    /* Ultra deep forest (for headings and text) */
    --vbx-color-secondary: #56695d;
    /* Soft sage gray for readability */
    --vbx-color-tertiary: #a1b0a8;

    /* Accents */
    --vbx-color-accent: #0f9b6c;
    /* Elegant deep emerald */

    /* Borders & Lines */
    --vbx-color-border: rgba(6, 28, 16, 0.08);
    --vbx-color-border-hover: rgba(15, 155, 108, 0.3);

    /* Typography */
    --vbx-font-heading: 'Inter', -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
    --vbx-font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;

    /* Spacing Framework */
    --vbx-spacing-xs: 0.5rem;
    --vbx-spacing-sm: 1rem;
    --vbx-spacing-md: 2.5rem;
    --vbx-spacing-lg: 5rem;
    --vbx-spacing-xl: 10rem;
    --vbx-spacing-xxl: 15rem;

    /* Radii */
    --vbx-radius-sm: 6px;
    --vbx-radius: 12px;
    --vbx-radius-lg: 24px;
    --vbx-radius-pill: 9999px;
}

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

body {
    font-family: var(--vbx-font-body);
    background-color: var(--vbx-color-bg);
    color: var(--vbx-color-primary);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Hierarchy */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--vbx-font-heading);
    font-weight: 500;
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.vbx-display-text {
    font-size: clamp(4rem, 10vw, 8rem);
    letter-spacing: -0.05em;
    font-weight: 500;
}

.vbx-heading-1 {
    font-size: clamp(3rem, 6vw, 5rem);
    letter-spacing: -0.03em;
}

.vbx-heading-2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    letter-spacing: -0.03em;
}

.vbx-heading-3 {
    font-size: 2rem;
    letter-spacing: -0.02em;
}

p {
    color: var(--vbx-color-secondary);
    font-size: 1.15rem;
    line-height: 1.6;
    letter-spacing: -0.01em;
}

.vbx-text-large {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    line-height: 1.4;
    color: var(--vbx-color-secondary);
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.4s ease;
}

/* Layout Structure (Vebnox & Legacy Compatibility) */
.vbx-container,
.container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 4vw;
}

.vbx-section,
.section {
    padding: var(--vbx-spacing-xl) 0;
    position: relative;
}

.vbx-grid,
.grid {
    display: grid;
    gap: var(--vbx-spacing-lg);
}

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

.vbx-grid-3,
.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

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

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Flexbox Utilities (Legacy) */
.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.flex-col {
    flex-direction: column;
}

.gap-sm {
    gap: var(--vbx-spacing-sm);
}

.gap-md {
    gap: var(--vbx-spacing-md);
}

.gap-lg {
    gap: var(--vbx-spacing-lg);
}

.gap-xl {
    gap: var(--vbx-spacing-xl);
}

.text-center {
    text-align: center;
}

/* Buttons */
.vbx-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: var(--vbx-radius-pill);
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: -0.01em;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.vbx-btn-primary {
    background: var(--vbx-color-primary);
    color: var(--vbx-color-bg);
}

.vbx-btn-primary:hover {
    transform: scale(1.02);
    background: #e5e5e5;
}

.vbx-btn-outline {
    background: transparent;
    border: 1px solid var(--vbx-color-border);
    color: var(--vbx-color-primary);
}

.vbx-btn-outline:hover {
    border-color: var(--vbx-color-primary);
    background: var(--vbx-color-surface);
}

/* Cards / Bento Architecture */
.vbx-card {
    background: var(--vbx-color-surface);
    border-radius: var(--vbx-radius-lg);
    padding: 3rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.vbx-card:hover {
    transform: translateY(-4px);
    background: var(--vbx-color-surface-hover);
}

.vbx-card-border {
    border: 1px solid var(--vbx-color-border);
}

.vbx-card-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: calc(var(--vbx-radius-lg) - 10px);
    margin-bottom: 1.5rem;
}

/* Navbar */
.vbx-navbar {
    position: fixed;
    top: 0;
    background-color: #fff;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: background 0.4s ease, border 0.4s ease, padding 0.4s ease;
    border-bottom: 1px solid transparent;
}

.vbx-navbar.scrolled {
    background: rgba(253, 253, 252, 0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--vbx-color-border);
    padding: 1rem 0;
}

.vbx-nav-menu {
    display: flex;
    align-items: center;
    gap: 3vw;
}

.vbx-nav-links {
    display: flex;
    gap: 3vw;
    list-style: none;
}

.vbx-nav-links a {
    font-size: 0.95rem;
    color: var(--vbx-color-secondary);
}

.vbx-nav-links a:hover,
.vbx-nav-links a.active {
    color: var(--vbx-color-primary);
}

.vbx-dropdown {
    position: relative;
}

.vbx-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--vbx-color-bg);
    border: 1px solid var(--vbx-color-border);
    border-radius: var(--vbx-radius);
    padding: 1rem 0;
    min-width: 200px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    list-style: none;
    z-index: 100;
}

.vbx-dropdown:hover .vbx-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.vbx-dropdown-menu li {
    margin: 0;
    padding: 0;
}

.vbx-dropdown-menu a {
    display: block;
    padding: 0.5rem 1.5rem;
    color: var(--vbx-color-secondary);
    transition: all 0.3s ease;
}

.vbx-dropdown-menu a:hover {
    background: var(--vbx-color-surface-hover);
    color: var(--vbx-color-primary);
}

/* Cinematic Images */
.vbx-image-cinematic {
    width: 100%;
    border-radius: var(--vbx-radius-lg);
    object-fit: cover;
    filter: contrast(1.1) saturate(1.2);
    transition: filter 0.8s ease;
}

.vbx-image-cinematic:hover {
    filter: contrast(1.2) saturate(1.4);
}

/* Motion / Interactions */
.vbx-reveal {
    opacity: 1;
    transform: translateY(30px);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.vbx-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Utilities & Legacy Components */
.vbx-divider {
    width: 100%;
    height: 1px;
    background: var(--vbx-color-border);
    margin: var(--vbx-spacing-lg) 0;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-control {
    width: 100%;
    padding: 14px 20px;
    border-radius: var(--vbx-radius);
    border: 1px solid var(--vbx-color-border);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--vbx-color-surface);
    color: var(--vbx-color-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--vbx-color-accent);
    box-shadow: 0 0 0 4px rgba(15, 155, 108, 0.1);
}

/* =============================================
   HOMEPAGE COMPONENT STYLES
   ============================================= */

/* Hero CTA wrap */
.hero-cta-wrap {
    display: flex;
    justify-content: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

/* Stats Bar */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.stat-item {
    padding: 3rem 1.5rem;
    text-align: center;
}

.stat-sep {
    border-left: 1px solid var(--vbx-color-border);
}

.stat-num {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 400;
    letter-spacing: -0.04em;
    color: var(--vbx-color-primary);
    margin-bottom: 0.4rem;
}

.stat-label {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--vbx-color-secondary);
    margin: 0;
}

/* Badge tag */
.badge-tag {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(15, 155, 108, 0.1);
    color: var(--vbx-color-accent);
    border-radius: 99px;
    font-weight: 600;
    font-size: 0.82rem;
}

/* About grid */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-img-wrap {
    position: relative;
}

.about-stats-card {
    padding: 1.75rem;
    margin-top: -3rem;
    position: relative;
    z-index: 2;
    width: 88%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--vbx-color-border);
}

.mini-stat {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--vbx-color-border);
    font-size: 0.9rem;
}

.mini-stat:last-child {
    border-bottom: none;
}

/* Check list */
.check-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    color: var(--vbx-color-secondary);
}

/* Section title center */
.section-title-center {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title-center p {
    max-width: 560px;
    margin: 0.75rem auto 0;
}

/* Achievements grid */
.ach-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* Feature list */
.feat-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    color: var(--vbx-color-secondary);
    font-size: 0.95rem;
}

.feat-list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.feat-list i {
    margin-top: 3px;
    color: var(--vbx-color-primary);
    flex-shrink: 0;
}

/* Facilities grid */
.facilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.facility-item {
    text-align: center;
    padding: 2rem 1.5rem;
}

/* Alumni grid */
.alumni-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.alumni-card {
    padding: 2.25rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.alumni-card-top {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: rgba(15, 155, 108, 0.05);
}

.alumni-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #fff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    margin: 0 auto 1.25rem;
    display: block;
}

.alumni-initials {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--vbx-color-surface-hover);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--vbx-color-accent);
}

.alumni-name {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--vbx-color-primary);
    margin-bottom: 0.2rem;
}

.alumni-year {
    font-size: 0.85rem;
    color: var(--vbx-color-accent);
    font-weight: 500;
    margin-bottom: 1rem;
}

.alumni-role {
    background: rgba(0, 0, 0, 0.025);
    border-radius: 10px;
    padding: 0.85rem;
}

.alumni-role strong {
    display: block;
    font-size: 0.88rem;
    color: var(--vbx-color-primary);
    margin-bottom: 2px;
}

.alumni-role span {
    font-size: 0.82rem;
    color: var(--vbx-color-secondary);
}

/* Events grid */
.events-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.event-card {
    display: block;
    color: inherit;
    border: 1px solid var(--vbx-color-border);
    border-radius: var(--vbx-radius-lg);
    padding: 2.5rem;
    transition: all 0.3s ease;
}

.event-card:hover {
    border-color: var(--vbx-color-accent);
    box-shadow: 0 8px 30px rgba(15, 155, 108, 0.1);
    transform: translateY(-4px);
}

.event-date {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--vbx-color-accent);
    font-weight: 600;
    margin-bottom: 1rem;
}

.event-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--vbx-color-primary);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.event-venue {
    font-size: 0.9rem;
    color: var(--vbx-color-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Blogs grid */
.blogs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.blog-card {
    display: block;
    color: inherit;
    border: 1px solid var(--vbx-color-border);
    border-radius: var(--vbx-radius-lg);
    padding: 2rem;
    transition: all 0.3s ease;
}

.blog-card:hover {
    border-color: var(--vbx-color-accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(15, 155, 108, 0.08);
}

.blog-meta {
    font-size: 0.82rem;
    color: var(--vbx-color-secondary);
    margin-bottom: 0.75rem;
}

.blog-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--vbx-color-primary);
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.blog-excerpt {
    font-size: 0.9rem;
    color: var(--vbx-color-secondary);
    line-height: 1.6;
    margin: 0;
}

/* vbx-grid-4 */
.vbx-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* =============================================
   RESPONSIVE BREAKPOINTS
   ============================================= */

@media (max-width: 1200px) {
    .alumni-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 1024px) {

    .vbx-grid-3,
    .vbx-grid-2,
    .vbx-grid-4,
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4,
    .ach-grid,
    .events-grid,
    .blogs-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-stats-card {
        width: 100%;
        margin-top: 1.5rem;
    }

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

    .stat-sep:nth-child(2) {
        border-left: 1px solid var(--vbx-color-border);
    }

    .stat-sep:nth-child(3) {
        border-left: none;
        border-top: 1px solid var(--vbx-color-border);
    }

    .stat-sep:nth-child(4) {
        border-left: 1px solid var(--vbx-color-border);
        border-top: 1px solid var(--vbx-color-border);
    }

    .vbx-mobile-toggle {
        display: block !important;
    }

    .vbx-nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--vbx-color-bg);
        flex-direction: column;
        padding: 2rem;
        gap: 2rem;
        border-bottom: 1px solid var(--vbx-color-border);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        display: none;
    }

    .vbx-nav-menu.active {
        display: flex;
    }

    .vbx-nav-links {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }

    .vbx-nav-actions {
        flex-direction: column;
        width: 100%;
        margin-top: 1rem;
    }

    .vbx-nav-actions .vbx-btn {
        width: 100%;
        text-align: center;
    }

    .vbx-dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        padding: 0;
        margin-top: 8px;
        background: transparent;
        transform: none;
        display: none;
        opacity: 1;
        visibility: visible;
    }

    .vbx-dropdown:hover .vbx-dropdown-menu,
    .vbx-dropdown.active .vbx-dropdown-menu {
        display: block;
    }

    .vbx-dropdown-menu a {
        text-align: center;
        padding: 0.75rem;
    }

    .vbx-section {
        padding: var(--vbx-spacing-lg) 0;
    }

    .vbx-display-text {
        font-size: 3rem;
    }

    .vbx-heading-2 {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .hero-cta-wrap {
        flex-direction: column;
        align-items: center;
    }

    .vbx-display-text {
        font-size: 2.5rem;
    }

    .stat-num {
        font-size: 2rem;
    }

    .vbx-section {
        padding: 3rem 0;
    }

    .vbx-container {
        padding: 0 1.25rem;
    }
}

@media (max-width: 420px) {
    .alumni-grid {
        grid-template-columns: 1fr;
    }

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

    .stats-bar {
        grid-template-columns: 1fr 1fr;
    }
}