/**
 * Krishna Computer Classes — Official Brand Theme
 * Modern AI Tech Institute · Corporate + Premium Education
 */

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

:root {
    --kcc-primary: #1155BE;
    --kcc-secondary: #1693E2;
    --kcc-dark: #00256D;
    --kcc-text: #001B55;
    --kcc-accent: #E0A10A;
    --kcc-light: #F5F7FB;
    --kcc-white: #FFFFFF;
    --kcc-hero-gradient: linear-gradient(135deg, #001B55 0%, #1155BE 55%, #1693E2 100%);
    --kcc-ai-tint: linear-gradient(180deg, #eef6fc 0%, #f5f7fb 100%);
    --kcc-glass: rgba(255, 255, 255, 0.72);
    --kcc-glass-border: rgba(17, 85, 190, 0.12);
    --kcc-shadow: 0 8px 32px rgba(0, 37, 109, 0.08);
    --kcc-shadow-lg: 0 16px 48px rgba(0, 27, 85, 0.14);
    --kcc-radius: 1rem;
    --kcc-radius-lg: 1.25rem;

    /* Override LearnHub green theme → KCC blue */
    --bs-primary: #1155BE;
    --bs-primary-rgb: 17, 85, 190;
    --bs-secondary: #1693E2;
    --bs-secondary-rgb: 22, 147, 226;
    --bs-link-color: #1155BE;
    --bs-link-hover-color: #1693E2;
    --bs-body-color: #001B55;
    --bs-body-bg: #ffffff;
    --bs-light: #F5F7FB;
    --bs-light-rgb: 245, 247, 251;
    --bs-dark: #00256D;
    --bs-dark-rgb: 0, 37, 109;
    --bs-warning: #E0A10A;
    --bs-warning-rgb: 224, 161, 10;
    --bs-primary-text-emphasis: #00256D;
    --bs-border-color: rgba(17, 85, 190, 0.12);
    --bs-border-radius-lg: var(--kcc-radius-lg);
    --bs-font-sans-serif: 'Inter', system-ui, -apple-system, sans-serif;
    --bs-body-font-family: 'Inter', system-ui, sans-serif;
    --bs-heading-font-family: 'Poppins', system-ui, sans-serif;
}

/* Typography */
.kcc-brand,
.learnhub-theme.kcc-brand {
    font-family: 'Inter', system-ui, sans-serif;
    color: var(--kcc-text);
    background-color: var(--kcc-white);
}

.kcc-brand h1,
.kcc-brand h2,
.kcc-brand h3,
.kcc-brand h4,
.kcc-brand h5,
.kcc-brand h6,
.kcc-brand .display-1,
.kcc-brand .display-2,
.kcc-brand .display-3,
.kcc-brand .display-4,
.kcc-brand .display-5,
.kcc-brand .display-6 {
    font-family: 'Poppins', system-ui, sans-serif;
    color: var(--kcc-text);
    font-weight: 700;
}

.kcc-brand .text-primary {
    color: var(--kcc-primary) !important;
}

.kcc-brand .text-muted {
    color: rgba(0, 27, 85, 0.65) !important;
}

/* Buttons */
.kcc-brand .btn-primary {
    background: var(--kcc-primary);
    border-color: var(--kcc-primary);
    font-weight: 600;
    border-radius: 0.625rem;
    padding: 0.625rem 1.35rem;
    box-shadow: 0 4px 14px rgba(17, 85, 190, 0.25);
}

.kcc-brand .btn-primary:hover,
.kcc-brand .btn-primary:focus {
    background: var(--kcc-secondary);
    border-color: var(--kcc-secondary);
    box-shadow: 0 6px 20px rgba(22, 147, 226, 0.35);
}

.kcc-brand .btn-accent {
    background: var(--kcc-accent);
    border-color: var(--kcc-accent);
    color: var(--kcc-text);
    font-weight: 700;
    border-radius: 0.625rem;
    box-shadow: 0 4px 20px rgba(224, 161, 10, 0.45);
}

.kcc-brand .btn-accent:hover,
.kcc-brand .btn-accent:focus,
.kcc-brand .btn-warning:hover,
.kcc-brand .btn-warning:focus {
    background: #f0b020;
    border-color: #f0b020;
    color: var(--kcc-text);
    box-shadow: 0 6px 24px rgba(224, 161, 10, 0.55);
}

/* Legacy pages: Bootstrap warning → brand gold accent */
.kcc-brand .btn-warning {
    background: var(--kcc-accent);
    border-color: var(--kcc-accent);
    color: var(--kcc-text);
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(224, 161, 10, 0.35);
}

.kcc-brand section.bg-primary {
    background: var(--kcc-primary) !important;
}

.kcc-brand .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.15);
}

.kcc-brand .badge-kcc-accent {
    background: rgba(224, 161, 10, 0.15);
    color: #8a6506;
    border: 1px solid rgba(224, 161, 10, 0.35);
    font-weight: 600;
}

.kcc-brand .badge-kcc-primary {
    background: rgba(17, 85, 190, 0.1);
    color: var(--kcc-primary);
    border: 1px solid var(--kcc-glass-border);
}

/* Glass navbar */
.navbar-kcc {
    background: var(--kcc-glass) !important;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--kcc-glass-border) !important;
    box-shadow: 0 4px 24px rgba(0, 37, 109, 0.06);
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
}

.navbar-kcc .nav-link {
    color: var(--kcc-text);
    font-weight: 500;
    font-size: 0.9375rem;
}

.navbar-kcc .nav-link:hover,
.navbar-kcc .nav-link:focus {
    color: var(--kcc-primary);
}

.navbar-kcc .dropdown-menu {
    border: 1px solid var(--kcc-glass-border);
    border-radius: var(--kcc-radius);
    box-shadow: var(--kcc-shadow-lg);
}

/* Hero */
.section-hero-kcc {
    background: var(--kcc-hero-gradient);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.section-hero-kcc::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(22, 147, 226, 0.25) 0%, transparent 45%),
        radial-gradient(circle at 80% 70%, rgba(224, 161, 10, 0.12) 0%, transparent 40%),
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: auto, auto, 48px 48px, 48px 48px;
    pointer-events: none;
}

.section-hero-kcc .container {
    position: relative;
    z-index: 1;
}

.section-hero-kcc h1,
.section-hero-kcc .display-4 {
    color: #fff;
}

.section-hero-kcc .lead,
.section-hero-kcc p,
.section-hero-kcc small {
    color: rgba(255, 255, 255, 0.88);
}

.section-hero-kcc .hero-highlight {
    color: var(--kcc-accent);
}

.section-hero-kcc .badge-hero {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.22);
    backdrop-filter: blur(8px);
}

.section-hero-kcc .stat-pill {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--kcc-radius);
    padding: 0.75rem 1rem;
    backdrop-filter: blur(6px);
}

.section-hero-kcc .hero-glass-card {
    background: var(--kcc-glass);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: var(--kcc-radius-lg);
    box-shadow: var(--kcc-shadow-lg);
    color: var(--kcc-text);
}

.section-hero-kcc .hero-glass-card .text-primary {
    color: var(--kcc-primary) !important;
}

/* Section backgrounds */
.section-kcc-light {
    background: var(--kcc-light);
}

.section-kcc-ai {
    background: var(--kcc-ai-tint);
}

.section-kcc-dark {
    background: linear-gradient(160deg, var(--kcc-dark) 0%, #001B55 100%);
    color: #fff;
}

.section-kcc-dark h2,
.section-kcc-dark h3,
.section-kcc-dark .display-6 {
    color: #fff;
}

.section-kcc-dark p,
.section-kcc-dark .lead {
    color: rgba(255, 255, 255, 0.82);
}

.section-kcc-cta {
    background: var(--kcc-primary);
    color: #fff;
}

.section-kcc-cta h2 {
    color: #fff;
}

/* Glass cards */
.card-glass,
.kcc-brand .card-glass {
    background: var(--kcc-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--kcc-glass-border) !important;
    border-radius: var(--kcc-radius-lg) !important;
    box-shadow: var(--kcc-shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card-glass:hover,
.kcc-brand .card-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--kcc-shadow-lg);
    border-color: rgba(22, 147, 226, 0.25) !important;
}

.kcc-brand .card-lift {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.kcc-brand .card-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--kcc-shadow-lg);
}

.card-glass-glow {
    position: relative;
}

.card-glass-glow::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(17, 85, 190, 0.35), rgba(22, 147, 226, 0.2), rgba(224, 161, 10, 0.2));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card-glass-glow:hover::after {
    opacity: 1;
}

/* Icon shapes */
.kcc-brand .icon-shape-kcc {
    width: 3.5rem;
    height: 3.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(17, 85, 190, 0.1);
    color: var(--kcc-primary);
    border-radius: 50%;
}

.section-kcc-dark .icon-shape-kcc {
    background: rgba(255, 255, 255, 0.12);
    color: var(--kcc-accent);
}

/* Footer */
.footer-kcc {
    background: linear-gradient(180deg, var(--kcc-dark) 0%, #001B55 100%);
    color: rgba(255, 255, 255, 0.85);
}

.footer-kcc h4 {
    color: #fff;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
}

.footer-kcc a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
}

.footer-kcc a:hover {
    color: var(--kcc-accent);
}

.footer-kcc .nap-footer,
.footer-kcc .nap-footer strong,
.footer-kcc .nap-footer a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-kcc .nap-footer a.text-warning {
    color: var(--kcc-accent) !important;
}

.footer-kcc .border-top {
    border-color: rgba(255, 255, 255, 0.12) !important;
}

/* Footer logo: white background pad on dark navy footer */
.footer-kcc .footer-logo-link {
    display: inline-block;
    line-height: 0;
    background: #fff !important;
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
}

.footer-kcc .site-logo--footer-blend {
    background: transparent !important;
    mix-blend-mode: normal;
    border-radius: 0;
}

.footer-kcc .site-logo:not(.site-logo--footer-blend) {
    background: transparent !important;
}

/* Testimonial cards */
.review-card-kcc {
    border-left: 3px solid var(--kcc-accent);
}

.review-card-kcc .text-warning {
    color: var(--kcc-accent) !important;
}

/* Forms */
.kcc-brand .form-control:focus,
.kcc-brand .form-select:focus {
    border-color: var(--kcc-secondary);
    box-shadow: 0 0 0 0.2rem rgba(22, 147, 226, 0.2);
}

.kcc-brand .accordion-button:not(.collapsed) {
    background-color: rgba(17, 85, 190, 0.08);
    color: var(--kcc-primary);
}

/* NAP block */
.kcc-brand .nap-block {
    border-radius: var(--kcc-radius-lg);
    border: 1px solid var(--kcc-glass-border);
    background: var(--kcc-white);
    box-shadow: var(--kcc-shadow);
}

/* Sticky widgets */
.learnhub-theme {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.learnhub-theme main,
.learnhub-theme > section {
    flex: 1;
}

.sticky-contact {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1050;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sticky-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    box-shadow: var(--kcc-shadow-lg);
    transition: transform 0.2s;
    text-decoration: none;
}

.sticky-btn:hover {
    transform: scale(1.08);
    color: white;
}

.whatsapp-btn { background: #25d366; }
.call-btn { background: var(--kcc-primary); }

.sticky-sidebar {
    position: sticky;
    top: 88px;
}

.site-logo {
    width: auto;
    max-height: 48px;
    object-fit: contain;
    display: block;
}

.section-label {
    letter-spacing: 0.125rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--kcc-secondary);
}

.section-kcc-dark .section-label {
    color: var(--kcc-accent);
}

.content-body h2,
.content-body h3 {
    margin-top: 1.5rem;
    font-weight: 600;
    color: var(--kcc-text);
    font-family: 'Poppins', sans-serif;
}

.area-link {
    border: 1px solid var(--kcc-glass-border);
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.area-link:hover {
    color: var(--kcc-primary) !important;
    border-color: rgba(17, 85, 190, 0.35) !important;
    background: rgba(17, 85, 190, 0.04) !important;
}

.page-section {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

@media (min-width: 992px) {
    .page-section {
        padding-top: 6rem;
        padding-bottom: 6rem;
    }
}

@media (max-width: 768px) {
    .sticky-sidebar { position: static; }
    .sticky-contact { bottom: 16px; right: 16px; }
    .section-hero-kcc .display-4 {
        font-size: 2rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .card-glass:hover,
    .kcc-brand .card-lift:hover {
        transform: none;
    }
}

/* Gallery — institute photo grid */
.gallery-category-card__img,
.gallery-category-card__placeholder {
    width: 100%;
    height: 10rem;
    object-fit: cover;
}

.gallery-category-card__placeholder {
    min-height: 10rem;
}

.gallery-category-card:hover .gallery-category-card__img {
    transform: scale(1.03);
    transition: transform 0.35s ease;
}

.gallery-photo-card__link {
    display: block;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 0.25rem 1rem rgba(0, 27, 85, 0.12);
}

.gallery-photo-card__img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
    background: var(--kcc-light, #f5f7fb);
}

.gallery-photo-card__img--portrait {
    aspect-ratio: 4 / 5;
    max-height: 220px;
}

.founder-portrait {
    width: 100%;
    max-width: 20rem;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: center top;
}