/* ==========================================================================
   LA-Geo2028 Theme — Main Stylesheet
   UCLA EPSS Educational Outreach
   ========================================================================== */

/* ---------- Custom Properties ---------- */
:root {
    /* UCLA Brand */
    --ucla-blue: #2774AE;
    --ucla-gold: #FFD100;
    --ucla-dark-blue: #003B5C;
    --ucla-light-blue: #daebfe;

    /* Earth tones */
    --earth-brown: #8B6914;
    --earth-sand: #C2B280;
    --earth-clay: #B66A50;
    --earth-slate: #536878;
    --earth-moss: #4A5D23;
    --earth-stone: #8E8D8A;

    /* Functional */
    --color-bg: #FAFAF8;
    --color-surface: #FFFFFF;
    --color-surface-alt: #F3F1EC;
    --color-text: #1A1A1A;
    --color-text-secondary: #555555;
    --color-text-muted: #888888;
    --color-border: #E0DDD5;
    --color-accent: var(--ucla-blue);
    --color-accent-hover: var(--ucla-dark-blue);

    /* Typography */
    --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition);
}

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

a:focus-visible {
    outline: 3px solid var(--ucla-gold);
    outline-offset: 2px;
    border-radius: 2px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.25;
    margin: 0 0 var(--space-md);
    color: var(--color-text);
    font-weight: 700;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
    margin: 0 0 var(--space-md);
}

/* ---------- Accessibility ---------- */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: var(--ucla-gold);
    clip: auto !important;
    clip-path: none;
    color: var(--color-text);
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 12px 20px;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
    border-radius: var(--radius);
}

.skip-link:focus {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 999999;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ---------- Container ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
    border: 2px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn:focus-visible {
    outline: 3px solid var(--ucla-gold);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--ucla-blue);
    color: #fff;
    border-color: var(--ucla-blue);
}

.btn-primary:hover {
    background: var(--ucla-dark-blue);
    border-color: var(--ucla-dark-blue);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--ucla-blue);
    border-color: var(--ucla-blue);
}

.btn-outline:hover {
    background: var(--ucla-blue);
    color: #fff;
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
    background: transparent;
    color: var(--ucla-blue);
    border: 1.5px solid var(--ucla-blue);
}

.btn-sm:hover {
    background: var(--ucla-blue);
    color: #fff;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* =====================================================
   HEADER
   ===================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.site-brand a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.site-logo-text {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo-primary {
    color: var(--ucla-dark-blue);
}

.logo-year {
    color: var(--ucla-blue);
    font-weight: 700;
}

.site-logo-text:hover .logo-year {
    color: var(--ucla-gold);
}

/* Navigation */
.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-xs);
}

.nav-list li {
    position: relative;
}

.nav-list a {
    display: block;
    padding: 0.5rem 0.85rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius);
    transition: color var(--transition);
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0.85rem;
    right: 0.85rem;
    height: 2px;
    background: linear-gradient(to right, var(--ucla-gold), var(--ucla-blue));
    border-radius: 1px;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-list a:hover::after,
.nav-list .current-menu-item > a::after,
.nav-list .current_page_item > a::after {
    transform: scaleX(1);
}

.nav-list a:hover,
.nav-list .current-menu-item > a,
.nav-list .current_page_item > a {
    color: var(--ucla-blue);
}

/* Submenu */
.nav-list .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: var(--space-sm) 0;
    list-style: none;
    z-index: 100;
}

.nav-list li:hover > .sub-menu,
.nav-list li:focus-within > .sub-menu,
.nav-list li.is-open > .sub-menu {
    display: block;
}

.nav-list .sub-menu a::after {
    display: none;
}

.nav-list .sub-menu a {
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
    border-radius: 0;
}

/* Caret on parent items so users know it's a dropdown */
.nav-list .menu-item-has-children > a {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}
.nav-list .menu-item-has-children > a::before {
    content: "";
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    margin-left: 0.25rem;
    order: 2;
    transition: transform 0.18s ease;
}
.nav-list .menu-item-has-children.is-open > a::before {
    transform: rotate(180deg);
}

/* Mobile toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    position: relative;
    transition: background var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: transform var(--transition);
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.menu-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.menu-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--ucla-dark-blue) 0%, #1a4c6e 30%, var(--ucla-blue) 60%, #3d8bc9 100%);
    color: #fff;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* Topographic pattern overlay */
.topo-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.08;
    background-image:
        repeating-conic-gradient(
            from 0deg at 50% 50%,
            transparent 0deg,
            transparent 60deg,
            rgba(255,255,255,0.03) 60deg,
            rgba(255,255,255,0.03) 120deg
        );
    background-size: 60px 60px;
}

.topo-pattern::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 800px 400px at 20% 80%, rgba(255, 209, 0, 0.15), transparent),
        radial-gradient(ellipse 600px 300px at 80% 20%, rgba(39, 116, 174, 0.2), transparent),
        radial-gradient(ellipse 400px 600px at 60% 60%, rgba(139, 105, 20, 0.1), transparent);
}

.topo-pattern::after {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.12;
    background-image:
        url("data:image/svg+xml,%3Csvg width='400' height='400' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 200 Q100 160 200 200 T400 200' fill='none' stroke='%23fff' stroke-width='0.5' opacity='0.4'/%3E%3Cpath d='M0 180 Q100 140 200 180 T400 180' fill='none' stroke='%23fff' stroke-width='0.5' opacity='0.3'/%3E%3Cpath d='M0 220 Q100 180 200 220 T400 220' fill='none' stroke='%23fff' stroke-width='0.5' opacity='0.3'/%3E%3Cpath d='M0 160 Q100 120 200 160 T400 160' fill='none' stroke='%23fff' stroke-width='0.5' opacity='0.2'/%3E%3Cpath d='M0 240 Q100 200 200 240 T400 240' fill='none' stroke='%23fff' stroke-width='0.5' opacity='0.2'/%3E%3Cpath d='M0 140 Q100 100 200 140 T400 140' fill='none' stroke='%23fff' stroke-width='0.5' opacity='0.15'/%3E%3Cpath d='M0 260 Q100 220 200 260 T400 260' fill='none' stroke='%23fff' stroke-width='0.5' opacity='0.15'/%3E%3C/svg%3E");
    background-size: 400px 400px;
}

.hero-gradient {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, rgba(0,0,0,0.2), transparent);
}

.hero-content {
    position: relative;
    text-align: center;
    padding: var(--space-4xl) 0;
    max-width: 800px;
}

.hero-title {
    margin-bottom: var(--space-lg);
}

.hero-title-main {
    display: block;
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: #fff;
}

.hero-title-main .accent {
    color: var(--ucla-gold);
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 400;
    opacity: 0.95;
    margin-bottom: var(--space-md);
    line-height: 1.5;
}

.hero-text {
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    opacity: 0.85;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero .btn-primary {
    background: var(--ucla-gold);
    border-color: var(--ucla-gold);
    color: var(--ucla-dark-blue);
    font-weight: 700;
}

.hero .btn-primary:hover {
    background: #ffe34d;
    border-color: #ffe34d;
    color: var(--ucla-dark-blue);
    box-shadow: 0 4px 20px rgba(255, 209, 0, 0.4);
}

.hero .btn-outline {
    border-color: rgba(255,255,255,0.6);
    color: #fff;
}

.hero .btn-outline:hover {
    background: rgba(255,255,255,0.15);
    border-color: #fff;
    color: #fff;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.6);
    animation: hero-bounce 2s infinite;
}

@keyframes hero-bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-8px); }
    60% { transform: translateX(-50%) translateY(-4px); }
}

/* =====================================================
   SECTIONS
   ===================================================== */
.section {
    padding: var(--space-4xl) 0;
}

.section-alt {
    background: var(--color-surface-alt);
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-sm);
    color: var(--ucla-dark-blue);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--ucla-gold), var(--ucla-blue));
    margin: var(--space-md) auto 0;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: var(--space-md) auto var(--space-2xl);
    font-size: 1.05rem;
}

.section-lead {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
}

.section-cta {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* ---------- Card Grid ---------- */
.card-grid {
    display: grid;
    gap: var(--space-xl);
}

.card-grid-3 {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

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

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* What / Why / How cards */
.card-wwh {
    text-align: center;
    padding: var(--space-2xl) var(--space-xl);
    border-top: 3px solid transparent;
}

.card-wwh:nth-child(1) { border-top-color: var(--ucla-blue); }
.card-wwh:nth-child(2) { border-top-color: var(--ucla-gold); }
.card-wwh:nth-child(3) { border-top-color: var(--earth-moss); }

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    margin: 0 auto var(--space-lg);
    border-radius: 50%;
    background: var(--color-surface-alt);
    color: var(--ucla-blue);
}

.card-wwh h3 {
    color: var(--ucla-dark-blue);
    font-size: 1.3rem;
    margin-bottom: var(--space-sm);
}

.card-wwh p {
    color: var(--color-text-secondary);
    margin: 0;
    font-size: 0.95rem;
}

/* Post cards */
.card-post {
    display: flex;
    flex-direction: column;
}

.card-thumb {
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

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

.card-thumb a:hover img {
    transform: scale(1.05);
}

.card-body {
    padding: var(--space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.card-date {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-cat {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ucla-blue);
    background: var(--ucla-light-blue);
    padding: 2px 8px;
    border-radius: 4px;
}

.card-title {
    font-size: 1.15rem;
    margin-bottom: var(--space-sm);
}

.card-title a {
    color: var(--color-text);
    text-decoration: none;
}

.card-title a:hover {
    color: var(--ucla-blue);
}

.card-excerpt {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    flex: 1;
    margin-bottom: var(--space-md);
}

/* Topic cards (Explore LA Geology) */
.card-topic {
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
    background: var(--color-surface);
    position: relative;
}

.card-topic::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, var(--ucla-blue), var(--ucla-gold));
    opacity: 0;
    transition: opacity var(--transition);
}

.card-topic:hover::before {
    opacity: 1;
}

.card-topic .card-icon {
    background: linear-gradient(135deg, var(--ucla-light-blue), #e8f0fe);
    color: var(--ucla-blue);
}

.card-topic h3 {
    font-size: 1.1rem;
    color: var(--ucla-dark-blue);
    margin-bottom: var(--space-sm);
}

.card-topic p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.6;
}

/* Audience cards (Get Involved) */
.card-audience {
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
    background: var(--color-surface);
}

.card-audience .card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--ucla-dark-blue), var(--ucla-blue));
    color: #fff;
}

.card-audience h3 {
    font-size: 1rem;
    color: var(--color-text);
    margin: 0;
}

/* Contact — shared email block */
.contact-shared {
    max-width: 480px;
    margin: 0 auto;
    text-align: center;
    background: var(--color-surface, #fff);
    padding: var(--space-xl) var(--space-2xl);
    border-radius: var(--radius-lg, 12px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.contact-shared-heading {
    color: var(--ucla-dark-blue);
    margin: 0 0 var(--space-md);
    font-size: 1.15rem;
}

.contact-people {
    list-style: none;
    margin: 0 0 var(--space-md);
    padding: 0;
}

.contact-people li {
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
    padding: var(--space-xs) 0;
}

.contact-shared-email {
    display: inline-block;
    color: var(--ucla-blue);
    font-size: 1.05rem;
    font-weight: 500;
    word-break: break-all;
}

.contact-shared-email:hover {
    color: var(--ucla-dark-blue);
}

/* =====================================================
   VIDEO SECTION
   ===================================================== */
.video-wrap {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding-bottom: 56.25%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: #000;
}

.video-wrap iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* =====================================================
   SOCIAL / INSTAGRAM SECTION
   ===================================================== */
.social-inner {
    display: flex;
    align-items: center;
    gap: var(--space-3xl);
    justify-content: center;
    flex-wrap: wrap;
}

.social-text {
    flex: 1;
    min-width: 280px;
}

.social-text .section-title {
    text-align: left;
}

.social-text .section-title::after {
    margin: var(--space-md) 0 0;
}

.social-text p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.social-qr {
    flex-shrink: 0;
}

.qr-placeholder {
    width: 200px;
    height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    background: var(--color-surface-alt);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 500;
}

/* =====================================================
   EMPTY STATE
   ===================================================== */
.empty-state {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
    background: var(--color-surface);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    grid-column: 1 / -1;
}

.empty-state p {
    color: var(--color-text-secondary);
    margin: 0;
    font-size: 1rem;
}

/* =====================================================
   PAGE CONTENT
   ===================================================== */
.page-content {
    padding: var(--space-3xl) var(--space-xl);
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.page-header {
    margin-bottom: var(--space-2xl);
}

.page-title {
    color: var(--ucla-dark-blue);
}

.entry-content {
    font-size: 1.05rem;
    line-height: 1.8;
}

.entry-content h2 {
    margin-top: var(--space-2xl);
}

.entry-content h3 {
    margin-top: var(--space-xl);
}

.entry-content img {
    border-radius: var(--radius);
    margin: var(--space-xl) 0;
}

.entry-content blockquote {
    border-left: 4px solid var(--ucla-gold);
    margin: var(--space-xl) 0;
    padding: var(--space-md) var(--space-xl);
    background: var(--color-surface-alt);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic;
    color: var(--color-text-secondary);
}

.entry-content ul,
.entry-content ol {
    margin: var(--space-md) 0;
    padding-left: var(--space-xl);
}

.entry-content li {
    margin-bottom: var(--space-sm);
}

/* WordPress embeds */
.entry-content .wp-block-embed {
    margin: var(--space-xl) 0;
}

.entry-content iframe {
    max-width: 100%;
    border-radius: var(--radius);
}

/* =====================================================
   SINGLE POST
   ===================================================== */
.single-post .post-header {
    margin-bottom: var(--space-2xl);
}

.post-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.post-date {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.post-categories a {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--ucla-blue);
    background: var(--ucla-light-blue);
    padding: 3px 10px;
    border-radius: 4px;
    text-decoration: none;
}

.post-title {
    margin-bottom: var(--space-lg);
}

.post-featured-image {
    margin: 0 calc(-1 * var(--space-lg));
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.post-featured-image img {
    width: 100%;
}

.post-footer {
    margin-top: var(--space-2xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.post-tags {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.post-tags a {
    color: var(--ucla-blue);
}

/* Post navigation */
.post-navigation {
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.nav-links {
    display: flex;
    justify-content: space-between;
    gap: var(--space-xl);
}

.nav-prev,
.nav-next {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    max-width: 45%;
}

.nav-next {
    margin-left: auto;
    text-align: right;
}

.nav-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.nav-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--ucla-blue);
}

/* =====================================================
   POSTS GRID
   ===================================================== */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-xl);
}

/* =====================================================
   PAGINATION
   ===================================================== */
.pagination {
    margin-top: var(--space-3xl);
    text-align: center;
}

.pagination .nav-links {
    display: inline-flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition);
}

.pagination .page-numbers:hover,
.pagination .page-numbers.current {
    background: var(--ucla-blue);
    border-color: var(--ucla-blue);
    color: #fff;
}

/* =====================================================
   404 PAGE
   ===================================================== */
.error-404 {
    text-align: center;
    padding: var(--space-4xl) 0;
}

.error-icon {
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

.error-404 h1 {
    color: var(--ucla-dark-blue);
    margin-bottom: var(--space-md);
}

.error-404 p {
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto var(--space-xl);
    font-size: 1.1rem;
}

.error-actions {
    margin-bottom: var(--space-2xl);
}

.error-404 .search-form {
    max-width: 400px;
    margin: 0 auto;
}

/* =====================================================
   BACK TO TOP
   ===================================================== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 1100;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--ucla-blue), var(--ucla-dark-blue));
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 59, 92, 0.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease, background 0.2s ease, box-shadow 0.2s ease;
}

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

.back-to-top:hover {
    background: linear-gradient(135deg, var(--ucla-gold), #e6bc00);
    color: var(--ucla-dark-blue);
    box-shadow: 0 6px 22px rgba(255, 209, 0, 0.4);
    transform: translateY(-2px);
}

.back-to-top:focus-visible {
    outline: 3px solid var(--ucla-gold);
    outline-offset: 3px;
}

.back-to-top:active {
    transform: translateY(0);
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
}

/* =====================================================
   FOOTER
   ===================================================== */
.site-footer {
    background: var(--ucla-dark-blue);
    color: rgba(255, 255, 255, 0.85);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.site-footer h4 {
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    position: relative;
    padding-bottom: var(--space-sm);
}

.site-footer h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--ucla-gold);
}

.footer-about p {
    font-size: 0.9rem;
    opacity: 0.85;
    line-height: 1.7;
}

.site-footer .widget {
    margin-bottom: var(--space-lg);
}

.site-footer .widget h2,
.site-footer .widget h3,
.site-footer .widget h4,
.site-footer .wp-block-heading {
    color: rgba(255, 255, 255, 0.9);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.site-footer .widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-footer .widget li {
    margin-bottom: var(--space-xs);
}

.site-footer .widget a {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
    transition: color var(--transition);
}

.site-footer .widget a:hover {
    color: var(--ucla-gold);
}

.site-footer .widget div,
.site-footer .widget p,
.site-footer .widget li,
.site-footer .widget span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-nav li {
    margin-bottom: var(--space-sm);
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
    text-decoration: none;
    transition: color var(--transition);
}

.footer-nav a:hover {
    color: var(--ucla-gold);
}

.social-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.social-links li {
    margin-bottom: var(--space-sm);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
    text-decoration: none;
    transition: color var(--transition);
}

.social-links a:hover {
    color: var(--ucla-gold);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: var(--space-xl);
    text-align: center;
}

.footer-host {
    font-size: 0.85rem;
    margin-bottom: var(--space-sm);
}

.footer-host a {
    color: rgba(255, 255, 255, 0.75);
}

.footer-host a:hover {
    color: var(--ucla-gold);
}

.footer-disclaimer {
    font-size: 0.8rem;
    opacity: 0.6;
    max-width: 700px;
    margin: 0 auto var(--space-sm);
    font-style: italic;
}

.footer-copy {
    font-size: 0.8rem;
    opacity: 0.5;
    margin: 0;
}

/* =====================================================
   SEARCH FORM
   ===================================================== */
.search-form {
    display: flex;
    gap: var(--space-sm);
}

.search-form label {
    flex: 1;
}

.search-form .search-field {
    width: 100%;
    padding: 0.65rem 1rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    transition: border-color var(--transition);
}

.search-form .search-field:focus {
    outline: none;
    border-color: var(--ucla-blue);
}

.search-form .search-submit {
    padding: 0.65rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    background: var(--ucla-blue);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition);
}

.search-form .search-submit:hover {
    background: var(--ucla-dark-blue);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-about {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    :root {
        --space-4xl: 3.5rem;
    }

    /* Mobile nav */
    .menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-surface);
        box-shadow: var(--shadow-lg);
        padding: 80px var(--space-xl) var(--space-xl);
        transform: translateX(100%);
        transition: transform 0.3s ease, visibility 0.3s ease;
        overflow-y: auto;
        z-index: 999;
        visibility: hidden;
    }

    .main-nav.is-open {
        transform: translateX(0);
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
    }

    .nav-list a {
        padding: 0.75rem 0;
        font-size: 1rem;
        border-bottom: 1px solid var(--color-border);
        border-radius: 0;
    }

    .nav-list .sub-menu {
        position: static;
        box-shadow: none;
        border: none;
        padding: 0 0 0 var(--space-lg);
    }

    .nav-list li:hover > .sub-menu,
    .nav-list li:focus-within > .sub-menu,
    .nav-list li.is-open > .sub-menu {
        display: block;
    }

    /* Mobile: parent item is full-width tappable, caret stays on the right */
    .nav-list .menu-item-has-children > a {
        justify-content: space-between;
    }

    /* Hero */
    .hero {
        min-height: 70vh;
    }

    .hero-content {
        padding: var(--space-3xl) 0;
    }

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

    /* Grid */
    .card-grid-3 {
        grid-template-columns: 1fr;
    }

    /* Social */
    .social-inner {
        flex-direction: column;
        text-align: center;
    }

    .social-text .section-title {
        text-align: center;
    }

    .social-text .section-title::after {
        margin: var(--space-md) auto 0;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .site-footer h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

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

    .social-links a {
        justify-content: center;
    }

    /* Post nav */
    .nav-links {
        flex-direction: column;
    }

    .nav-prev, .nav-next {
        max-width: 100%;
    }

    .nav-next {
        text-align: left;
    }
}

@media (min-width: 769px) and (max-width: 992px) {
    .card-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .header-inner {
        height: 60px;
    }

    .site-logo-text {
        font-size: 1.3rem;
    }

    .hero {
        min-height: 60vh;
    }

    .btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.9rem;
    }

    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

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

/* =====================================================
   WORDPRESS ALIGNMENT CLASSES
   ===================================================== */
.alignwide {
    margin-left: calc(-1 * var(--space-xl));
    margin-right: calc(-1 * var(--space-xl));
    max-width: calc(100% + 2 * var(--space-xl));
}

.alignfull {
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    max-width: 100vw;
    width: 100vw;
}

.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.alignleft {
    float: left;
    margin-right: var(--space-lg);
    margin-bottom: var(--space-md);
}

.alignright {
    float: right;
    margin-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

/* =====================================================
   WP BLOCK STYLES
   ===================================================== */
.wp-block-image figcaption {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: var(--space-sm);
}

.wp-block-separator {
    border: none;
    border-top: 2px solid var(--color-border);
    margin: var(--space-2xl) auto;
    max-width: 100px;
}

.wp-block-table table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-xl) 0;
}

.wp-block-table td,
.wp-block-table th {
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    text-align: left;
}

.wp-block-table th {
    background: var(--color-surface-alt);
    font-weight: 600;
}

/* =====================================================
   PRINT
   ===================================================== */
@media print {
    .site-header,
    .site-footer,
    .hero-scroll,
    .menu-toggle,
    .btn,
    .pagination,
    .post-navigation {
        display: none !important;
    }

    body {
        color: #000;
        background: #fff;
        font-size: 12pt;
    }

    a {
        color: #000;
        text-decoration: underline;
    }

    .hero {
        min-height: auto;
        background: none;
        color: #000;
        padding: 2rem 0;
    }

    .section {
        padding: 1.5rem 0;
    }
}