/**
 * Barefoot Martial Arts — public site styles
 */
:root {
    --bf-navy: #0c1222;
    --bf-navy-soft: #111827;
    --bf-accent: #3b82f6;
    --bf-accent-hover: #2563eb;
    --bf-muted: #64748b;
    --bf-border: #e2e8f0;
    --bf-bg: #f8fafc;
    --bf-card-shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 8px 24px rgba(15, 23, 42, 0.06);
}

html {
    scroll-behavior: smooth;
}

body.public-site {
    font-family: "DM Sans", system-ui, sans-serif;
    background: var(--bf-bg);
    color: #0f172a;
}

/* ---------- Navbar ---------- */
.site-navbar {
    background: linear-gradient(180deg, var(--bf-navy) 0%, var(--bf-navy-soft) 100%) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 0.35rem;
    padding-bottom: 0.35rem;
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.12);
}

.site-navbar .navbar-brand img {
    height: 46px;
    width: auto;
    max-width: 140px;
    object-fit: contain;
}

.site-navbar .nav-link {
    color: rgba(248, 250, 252, 0.82) !important;
    font-weight: 500;
    font-size: 0.94rem;
    padding: 0.5rem 0.85rem !important;
    border-radius: 999px;
    transition: background 0.15s, color 0.15s;
}

.site-navbar .nav-link:hover {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.08);
}

.site-navbar .nav-link.active {
    color: #fff !important;
    background: rgba(59, 130, 246, 0.25);
}

.site-navbar .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.25);
}

.site-navbar .navbar-toggler-icon {
    filter: invert(1);
}

.site-navbar .btn-nav-cta {
    background: var(--bf-accent);
    border: none;
    color: #fff !important;
    font-weight: 600;
    padding: 0.45rem 1.1rem;
    border-radius: 999px;
    margin-left: 0.25rem;
}

.site-navbar .btn-nav-cta:hover {
    background: var(--bf-accent-hover);
    color: #fff !important;
}

/* ---------- Hero carousel ---------- */
.hero-wrap {
    position: relative;
}

.hero-carousel .carousel-item img {
    width: 100%;
    height: min(72vh, 560px);
    object-fit: cover;
}

.hero-carousel .carousel-caption {
    bottom: auto;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    right: 0;
    padding: 2rem 1rem;
    background: linear-gradient(90deg, rgba(12, 18, 34, 0.85) 0%, transparent 75%);
    text-align: left;
    max-width: none;
}

.hero-carousel .carousel-caption .caption-inner {
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 992px) {
    .hero-carousel .carousel-caption .caption-inner {
        margin-left: 8%;
        margin-right: auto;
    }
}

.hero-title {
    font-weight: 700;
    letter-spacing: -0.03em;
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}

.hero-lead {
    font-size: clamp(1rem, 2vw, 1.15rem);
    opacity: 0.95;
    max-width: 36ch;
}

.hero-carousel .carousel-control-prev,
.hero-carousel .carousel-control-next {
    width: 48px;
    height: 48px;
    top: 50%;
    transform: translateY(-50%);
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.45);
}

/* ---------- Sections ---------- */
.section-heading {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--bf-navy);
    font-size: clamp(1.35rem, 2.5vw, 1.75rem);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-heading::after {
    content: "";
    display: block;
    height: 4px;
    width: 48px;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--bf-accent), #22c55e);
    margin-top: 0.5rem;
}

.section-lead {
    color: var(--bf-muted);
    font-size: 1.05rem;
    line-height: 1.65;
}

.card-soft {
    background: #fff;
    border: 1px solid var(--bf-border);
    border-radius: 16px;
    box-shadow: var(--bf-card-shadow);
}

.btn-bf-primary {
    background: var(--bf-accent);
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    border-radius: 999px;
    transition: background 0.15s, transform 0.1s;
}

.btn-bf-primary:hover {
    background: var(--bf-accent-hover);
    color: #fff;
}

.btn-bf-outline {
    border: 2px solid var(--bf-accent);
    color: var(--bf-accent);
    font-weight: 600;
    padding: 0.45rem 1.15rem;
    border-radius: 999px;
    background: transparent;
}

.btn-bf-outline:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--bf-accent-hover);
    border-color: var(--bf-accent-hover);
}

/* ---------- Footer ---------- */
.site-footer {
    background: linear-gradient(180deg, var(--bf-navy-soft) 0%, #0a0f18 100%);
    color: rgba(248, 250, 252, 0.88);
    padding-top: 3rem;
    padding-bottom: 2rem;
}

.site-footer h3 {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #93c5fd;
    margin-bottom: 1rem;
}

.site-footer a.footer-link {
    color: rgba(248, 250, 252, 0.85);
    text-decoration: none;
    transition: color 0.15s;
}

.site-footer a.footer-link:hover {
    color: #fff;
}

.site-footer .social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    transition: background 0.15s, transform 0.1s;
}

.site-footer .social-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    transform: translateY(-2px);
}

.site-footer .contact-row {
    display: flex;
    gap: 0.65rem;
    align-items: flex-start;
    margin-bottom: 0.65rem;
    font-size: 0.95rem;
}

.site-footer .contact-row i {
    margin-top: 0.2rem;
    color: #93c5fd;
    width: 1.1rem;
}

.site-footer-bottom {
    background: rgba(0, 0, 0, 0.35);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 1rem 0;
    font-size: 0.85rem;
    color: rgba(248, 250, 252, 0.65);
}

.site-footer-bottom a {
    color: #93c5fd;
    text-decoration: none;
}

.site-footer-bottom a:hover {
    text-decoration: underline;
}

/* ---------- Gallery (scoped — no global img reset) ---------- */
.gallery-section .gallery {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.gallery-section .gallery .images {
    gap: 15px;
    max-width: 1200px;
    margin: 2rem auto;
    columns: 5 260px;
    list-style: none;
    padding: 0;
}

.gallery-section .gallery .images .img {
    display: flex;
    cursor: pointer;
    overflow: hidden;
    position: relative;
    margin-bottom: 14px;
    border-radius: 12px;
    break-inside: avoid;
    box-shadow: var(--bf-card-shadow);
}

.gallery-section .gallery .images img {
    width: 100%;
    height: auto;
    transition: transform 0.25s ease;
}

.gallery-section .gallery .images .img:hover img {
    transform: scale(1.06);
}

.lightbox {
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1050;
    position: fixed;
    visibility: hidden;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
}

.lightbox.show {
    visibility: visible;
}

.lightbox .wrapper {
    position: fixed;
    left: 50%;
    top: 50%;
    width: 100%;
    padding: 20px;
    max-width: 900px;
    background: #fff;
    border-radius: 16px;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -50%) scale(0.94);
    transition: opacity 0.2s ease, transform 0.2s ease;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.lightbox.show .wrapper {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
}

.lightbox .wrapper header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.lightbox .wrapper .preview-img img {
    width: 100%;
    border-radius: 12px;
}

.lightbox .close-icon {
    cursor: pointer;
    font-size: 1.5rem;
    opacity: 0.7;
}

.lightbox .close-icon:hover {
    opacity: 1;
}