/* ============================================================
   izuobani.com — Custom Stylesheet
   Works alongside Tailwind CSS (loaded via CDN)
   ============================================================ */

/* ── CSS Custom Properties ─────────────────────────────────── */
:root {
    --color-bg:       #0D0F14;
    --color-surface:  #161B25;
    --color-card:     #1C2333;
    --color-accent:   #C8A96E;
    --color-accent2:  #A8874E;
    --color-text:     #F0EDE8;
    --color-muted:    rgba(240, 237, 232, 0.55);
    --color-border:   rgba(240, 237, 232, 0.10);

    --font-display:   'Playfair Display', Georgia, serif;
    --font-body:      'DM Sans', system-ui, sans-serif;

    --radius-sm:      6px;
    --radius-md:      12px;
    --radius-lg:      20px;
    --radius-full:    9999px;

    --transition:     all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-card:    0 4px 24px rgba(0, 0, 0, 0.35);
    --shadow-hover:   0 12px 40px rgba(0, 0, 0, 0.5);
}

/* ── Base Reset / Global ────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

main {
    flex: 1;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* ── Grain Texture Overlay ──────────────────────────────────── */
.grain-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 128px;
}

/* ── Container ──────────────────────────────────────────────── */
.r-container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: clamp(1rem, 4vw, 2rem);
    padding-right: clamp(1rem, 4vw, 2rem);
    width: 100%;
}

/* ── Section Spacing ────────────────────────────────────────── */
.section {
    padding-top:    clamp(3rem, 8vw, 5rem);
    padding-bottom: clamp(3rem, 8vw, 5rem);
}

.section-sm {
    padding-top:    clamp(2rem, 5vw, 3rem);
    padding-bottom: clamp(2rem, 5vw, 3rem);
}

/* ── Typography ─────────────────────────────────────────────── */
.font-display { font-family: var(--font-display); }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: clamp(2rem,    5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem,  3.5vw, 2.6rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.9rem); }
h4 { font-size: clamp(1rem,    2vw,   1.4rem); }

.accent-text {
    color: var(--color-accent);
}

.text-muted {
    color: var(--color-muted);
}

.section-label {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-accent);
    display: block;
    margin-bottom: 0.5rem;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    background-color: var(--color-accent);
    color: var(--color-bg);
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    border: 2px solid var(--color-accent);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background-color: var(--color-accent2);
    border-color: var(--color-accent2);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(200, 169, 110, 0.25);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    background-color: transparent;
    color: var(--color-accent);
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    border: 2px solid var(--color-accent);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-outline:hover,
.btn-outline:focus-visible {
    background-color: var(--color-accent);
    color: var(--color-bg);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(200, 169, 110, 0.2);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background-color: transparent;
    color: var(--color-muted);
    font-family: var(--font-body);
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-ghost:hover {
    color: var(--color-text);
    border-color: var(--color-muted);
}

/* ── Header Styles ──────────────────────────────────────────── */
#site-header {
    z-index: 1000;
}

.header-backdrop {
    background-color: transparent;
    backdrop-filter: blur(0);
    border-bottom: 1px solid transparent;
}

#site-header.scrolled .header-backdrop {
    background-color: rgba(13, 15, 20, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
}

/* ── Nav Links ──────────────────────────────────────────────── */
.nav-link {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--color-muted);
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 1px;
    background-color: var(--color-accent);
    transition: transform 0.25s ease;
}

.nav-link:hover,
.nav-link--active {
    color: var(--color-text);
}

.nav-link--active::after,
.nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

/* ── Mobile Nav ─────────────────────────────────────────────── */
.mobile-menu {
    background-color: rgba(13, 15, 20, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.mobile-menu.open {
    max-height: 500px;
}

.mobile-nav-link {
    display: block;
    padding: 0.75rem 0.5rem;
    font-size: 1rem;
    color: var(--color-muted);
    border-bottom: 1px solid var(--color-border);
    transition: color 0.2s;
}

.mobile-nav-link:hover,
.mobile-nav-link--active {
    color: var(--color-accent);
}

/* Hamburger animation */
#mobile-menu-btn.open .hamburger-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
#mobile-menu-btn.open .hamburger-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
#mobile-menu-btn.open .hamburger-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Social Icon Buttons ────────────────────────────────────── */
.social-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    font-size: 0.8rem;
    transition: var(--transition);
}

.social-icon-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

/* ── Footer Social ──────────────────────────────────────────── */
.footer-social {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    font-size: 0.85rem;
    transition: var(--transition);
}

.footer-social:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
    transform: translateY(-2px);
}

/* ── Cards ──────────────────────────────────────────────────── */
.card {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(200, 169, 110, 0.2);
}

/* ── Image Overlays ─────────────────────────────────────────── */

/* Wrapper: adds a bottom-to-top dark gradient over a child <img> */
.img-overlay-dark,
.overlay {
    position: relative;
}

.img-overlay-dark::after,
.overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.80) 0%,
        rgba(0, 0, 0, 0.25) 50%,
        transparent 100%
    );
    border-radius: inherit;
    pointer-events: none;
}

/* Full-screen diagonal overlay element placed inside a positioned wrapper */
.img-overlay-full,
.image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(13, 15, 20, 0.88) 0%,
        rgba(13, 15, 20, 0.45) 60%,
        transparent 100%
    );
    pointer-events: none;
}

/* Solid dark scrim — useful for text readability over busy images */
.overlay-scrim {
    position: absolute;
    inset: 0;
    background-color: rgba(13, 15, 20, 0.60);
    pointer-events: none;
}

/* Gold-tinted overlay — for accent hero variants */
.overlay-gold {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(200, 169, 110, 0.12) 0%,
        transparent 60%
    );
    pointer-events: none;
}

/* Content positioned above overlay — must be a sibling inside a relative wrapper */
.overlay-content {
    position: relative;
    z-index: 1;
}

/* ── Page Banner (inner pages) ──────────────────────────────── */
.page-banner {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: clamp(2.5rem, 5vw, 4rem) 0;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(200, 169, 110, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

/* ── Breadcrumb ─────────────────────────────────────────────── */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--color-muted);
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--color-muted);
    transition: color 0.2s;
}

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

.breadcrumb .sep {
    color: var(--color-border);
    opacity: 0.7;
}

.breadcrumb .current {
    color: var(--color-accent);
}

/* ── Gold Divider ───────────────────────────────────────────── */
.gold-divider {
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
    border-radius: 2px;
    margin: 0.75rem 0 1.5rem;
}

/* ── Hero Animations ────────────────────────────────────────── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position:  200% 0; }
}

.animate-fade-up {
    animation: fadeUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    opacity: 0;
}

.animate-fade-up-delay-1 { animation-delay: 0.15s; }
.animate-fade-up-delay-2 { animation-delay: 0.30s; }
.animate-fade-up-delay-3 { animation-delay: 0.45s; }
.animate-fade-up-delay-4 { animation-delay: 0.60s; }

.animate-fade-in {
    animation: fadeIn 1s ease forwards;
    opacity: 0;
}

/* ── Skeleton Loaders ───────────────────────────────────────── */
.skeleton {
    background: linear-gradient(90deg,
        var(--color-surface) 25%,
        var(--color-card)    50%,
        var(--color-surface) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.6s infinite;
    border-radius: var(--radius-sm);
}

/* ── Publication Card Specific ──────────────────────────────── */
.pub-card-image {
    aspect-ratio: 16 / 9;
    object-fit: cover;
    width: 100%;
    background-color: var(--color-surface);
}

.pub-cover-placeholder {
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-card) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ── Category Badge ─────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background-color: rgba(200, 169, 110, 0.12);
    color: var(--color-accent);
    border: 1px solid rgba(200, 169, 110, 0.25);
}

/* ── Gallery Grid ───────────────────────────────────────────── */
.gallery-item {
    overflow: hidden;
    border-radius: var(--radius-md);
    cursor: pointer;
    aspect-ratio: 1;
    background-color: var(--color-surface);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.gallery-item:hover {
    box-shadow: 0 0 0 2px var(--color-accent);
}

/* ── Event Card ─────────────────────────────────────────────── */
.event-card-thumb {
    aspect-ratio: 4 / 3;
    object-fit: cover;
    width: 100%;
    transition: transform 0.4s ease;
}

.event-card:hover .event-card-thumb {
    transform: scale(1.04);
}

/* ── Admin Flash Messages ───────────────────────────────────── */
.flash-success {
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #86efac;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.flash-error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

/* ── Back to Top ────────────────────────────────────────────── */
#back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    background-color: var(--color-accent);
    color: var(--color-bg);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 500;
    font-size: 1rem;
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#back-to-top:hover {
    background-color: var(--color-accent2);
    transform: translateY(-2px);
}

/* ── Lazy Load Images ───────────────────────────────────────── */
img[data-src] {
    opacity: 0;
    transition: opacity 0.4s ease;
}

img.lazy-loaded {
    opacity: 1;
}

/* ── Swiper Overrides ───────────────────────────────────────── */
.swiper-button-next,
.swiper-button-prev {
    color: var(--color-accent) !important;
    width: 40px !important;
    height: 40px !important;
    background-color: rgba(13, 15, 20, 0.7);
    border-radius: 50%;
    border: 1px solid var(--color-border);
}

.swiper-button-next::after,
.swiper-button-prev::after {
    font-size: 14px !important;
}

.swiper-pagination-bullet {
    background-color: var(--color-muted) !important;
}

.swiper-pagination-bullet-active {
    background-color: var(--color-accent) !important;
}

/* ── Print Styles ───────────────────────────────────────────── */
@media print {
    header,
    footer,
    .btn-primary,
    .btn-outline,
    .btn-ghost,
    #back-to-top,
    .grain-overlay {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    a { text-decoration: underline; }
}

/* ── Reduced Motion ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ── Section Heading Layouts ────────────────────────────────── */

/* Centred heading block (label + h2 + optional paragraph) */
.section-heading {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 3.5rem;
}

.section-heading .section-label {
    margin-bottom: 0.6rem;
}

.section-heading h2 {
    margin-bottom: 1rem;
}

.section-heading p {
    color: var(--color-muted);
    font-size: 1.0625rem;
    line-height: 1.75;
}

/* Left-aligned heading block */
.section-heading--left {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
}

/* Heading + inline "view all" link on same row */
.section-heading-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.section-heading-row h2,
.section-heading-row h3 {
    margin-bottom: 0;
}

/* ── Footer Styles (explicit, beyond Tailwind utilities) ────── */
footer {
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--color-muted);
}

footer h3,
footer .footer-heading {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

footer a {
    color: var(--color-muted);
    transition: color 0.2s ease;
}

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

footer p {
    line-height: 1.7;
}

/* Animated gold underline for footer nav links on hover */
footer nav a,
.footer-nav-link {
    position: relative;
    display: inline-block;
    padding-bottom: 1px;
}

footer nav a::after,
.footer-nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width 0.25s ease;
}

footer nav a:hover::after,
.footer-nav-link:hover::after {
    width: 100%;
}

/* ── Dividers ───────────────────────────────────────────────── */
.divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 0;
}

/* ── Read More Link ─────────────────────────────────────────── */
.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--color-accent);
    transition: gap 0.2s ease, color 0.2s ease;
}

.read-more:hover {
    color: var(--color-text);
    gap: 0.65rem;
}

/* ── Responsive Grid Utilities ──────────────────────────────── */

/* Auto-fit card grid — min 280px per card */
.auto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.75rem;
}

/* Explicit 3-col, collapses to 1 on mobile */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

@media (max-width: 900px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
    .grid-3 { grid-template-columns: 1fr; }
}

/* 2-col balanced layout */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

@media (max-width: 700px) {
    .grid-2 { grid-template-columns: 1fr; }
}

/* ── Stat/Number Cards ──────────────────────────────────────── */
.stat-card {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: rgba(200, 169, 110, 0.25);
    box-shadow: var(--shadow-hover);
}

.stat-card__number {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 0.4rem;
}

.stat-card__label {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
}

/* ── Inline Quote / Blockquote ──────────────────────────────── */
blockquote,
.pull-quote {
    border-left: 3px solid var(--color-accent);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    background-color: var(--color-surface);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--color-text);
    line-height: 1.7;
}

blockquote cite,
.pull-quote cite {
    display: block;
    margin-top: 0.75rem;
    font-family: var(--font-body);
    font-style: normal;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
}

/* ── Tooltip ────────────────────────────────────────────────── */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    background-color: var(--color-card);
    color: var(--color-text);
    font-size: 0.75rem;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 100;
}

[data-tooltip]:hover::before {
    opacity: 1;
}

/* ── Focus Styles (accessibility) ───────────────────────────── */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

:focus:not(:focus-visible) {
    outline: none;
}