/*
 * Jill's Mug Gallery
 * A warm ceramic gallery — handcrafted in code
 * 
 * Light where there was dark.
 * Warmth where there was glow.
 * Stillness where there was animation.
 * Poetry where there was code.
 */

/* ═══════════════════════════════════════════════════════════════
   FOUNDATIONS
   ═══════════════════════════════════════════════════════════════ */

:root {
    /* Paper & Ceramics — warm, tactile surfaces */
    --paper: #F8F6F1;
    --paper-warm: #F5F2EB;
    --paper-shadow: #EDE9E0;
    --porcelain: #FDFCFA;
    --bisque: #F0EBE3;
    
    /* Ink & Text — rich but not harsh */
    --ink: #2A2724;
    --ink-soft: rgba(42, 39, 36, 0.72);
    --ink-faint: rgba(42, 39, 36, 0.45);
    --ink-ghost: rgba(42, 39, 36, 0.18);
    
    /* Glazes — the soul of ceramics */
    --celadon: #93B8A4;
    --celadon-deep: #6B9B7D;
    --celadon-glow: rgba(147, 184, 164, 0.25);
    --tenmoku: #4A3C2F;
    --tenmoku-light: #6B5D4D;
    --shino: #E4D4C4;
    --oribe: #5B7355;
    --ash: #9B9B8E;
    --kintsugi: #C9A961;
    --rust: #B87A56;
    --cobalt: #234B8A;
    
    /* Kennedy palette — historical accuracy */
    --kennedy-blue: #1C3A6E;
    --kennedy-red: #C41E3A;
    --kennedy-cream: #F5F0E6;
    
    /* Finnish palette — for Moomin */
    --arabia-blue: #2D5A7B;
    --moomin-sky: #87CEEB;
    
    /* Jadeite — Fire King green */
    --jadeite: #8FB897;
    --jadeite-glow: rgba(143, 184, 151, 0.3);
    
    /* Typography — organic serifs */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Source Serif Pro', Georgia, serif;
    --font-japanese: 'Noto Serif JP', serif;
    --font-mono: 'IBM Plex Mono', monospace;
    
    /* Spacing — generous, unhurried */
    --space-3xs: 0.25rem;
    --space-2xs: 0.375rem;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 10rem;
    
    /* Timing — Fibonacci sequence */
    --dur-instant: 89ms;
    --dur-quick: 144ms;
    --dur-normal: 233ms;
    --dur-slow: 377ms;
    --dur-glacial: 610ms;
    
    /* Easing — natural movement */
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Shadows — soft, ceramic-like depth */
    --shadow-sm: 0 1px 2px rgba(42, 39, 36, 0.05);
    --shadow-md: 0 4px 12px rgba(42, 39, 36, 0.08);
    --shadow-lg: 0 12px 32px rgba(42, 39, 36, 0.12);
    --shadow-xl: 0 24px 48px rgba(42, 39, 36, 0.16);
    --shadow-inner: inset 0 2px 4px rgba(42, 39, 36, 0.06);
}

/* ═══════════════════════════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════════════════════════ */

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

html {
    font-size: clamp(15px, 1.05vw, 17px);
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background: var(--paper);
    color: var(--ink);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Paper texture overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

::selection {
    background: var(--celadon-deep);
    color: white;
}

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

/* ═══════════════════════════════════════════════════════════════
   LINKS — Underlines that feel drawn
   ═══════════════════════════════════════════════════════════════ */

a {
    color: var(--tenmoku);
    text-decoration: none;
    background-image: linear-gradient(var(--celadon), var(--celadon));
    background-size: 100% 1px;
    background-position: 0 100%;
    background-repeat: no-repeat;
    transition: 
        background-size var(--dur-normal) var(--ease-out),
        color var(--dur-quick) var(--ease-out);
}

a:hover {
    background-size: 100% 2px;
    color: var(--celadon-deep);
}

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

/* External link indicator */
a[href^="http"]::after {
    content: ' ↗';
    font-size: 0.75em;
    opacity: 0.5;
    transition: opacity var(--dur-quick);
}

a[href^="http"]:hover::after {
    opacity: 0.8;
}

/* ═══════════════════════════════════════════════════════════════
   TYPOGRAPHY — Organic, warm
   ═══════════════════════════════════════════════════════════════ */

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.025em;
    color: var(--ink);
}

h1 {
    font-size: clamp(2.75rem, 7vw, 5rem);
    font-weight: 300;
    letter-spacing: -0.04em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--space-lg);
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.6rem);
    margin-bottom: var(--space-sm);
}

h4 {
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
}

p {
    margin-bottom: var(--space-md);
    max-width: 62ch;
}

p:last-child {
    margin-bottom: 0;
}

.lead {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--ink-soft);
}

.small {
    font-size: 0.875rem;
    color: var(--ink-soft);
}

.eyebrow {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--celadon-deep);
    margin-bottom: var(--space-xs);
    display: block;
}

.poetry {
    font-style: italic;
    color: var(--ink-soft);
    line-height: 1.9;
}

.poetry em {
    font-style: normal;
    color: var(--ink);
}

/* ═══════════════════════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════════════════════ */

.container {
    width: min(1200px, 100% - var(--space-xl) * 2);
    margin-inline: auto;
}

.container--narrow {
    width: min(720px, 100% - var(--space-xl) * 2);
}

.container--wide {
    width: min(1400px, 100% - var(--space-lg) * 2);
}

section {
    padding: var(--space-3xl) 0;
    position: relative;
}

/* ═══════════════════════════════════════════════════════════════
   HERO — The first breath
   ═══════════════════════════════════════════════════════════════ */

.hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
    background: 
        radial-gradient(ellipse 80% 50% at 50% 0%, var(--celadon-glow) 0%, transparent 50%),
        linear-gradient(180deg, var(--porcelain) 0%, var(--paper) 100%);
    position: relative;
    overflow: hidden;
}

/* Subtle ceramic rim effect */
.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 4px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--celadon) 30%, 
        var(--celadon) 70%, 
        transparent
    );
    border-radius: 2px;
    opacity: 0.5;
}

.hero__title {
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(24px);
    animation: reveal 1.2s var(--ease-out) 0.2s forwards;
}

.hero__subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--ink-soft);
    max-width: 44ch;
    opacity: 0;
    transform: translateY(20px);
    animation: reveal 1.2s var(--ease-out) 0.5s forwards;
}

.hero__dedication {
    margin-top: var(--space-2xl);
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--tenmoku);
    opacity: 0;
    animation: reveal 1.2s var(--ease-out) 0.8s forwards;
}

@keyframes reveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ═══════════════════════════════════════════════════════════════
   CENTERPIECE — The Kennedy Cup
   ═══════════════════════════════════════════════════════════════ */

.centerpiece {
    background: var(--paper-warm);
    padding: var(--space-4xl) 0;
    border-top: 1px solid var(--ink-ghost);
    border-bottom: 1px solid var(--ink-ghost);
    position: relative;
}

/* Decorative border accent */
.centerpiece::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 3px;
    background: var(--kennedy-blue);
}

.centerpiece__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.centerpiece__image-wrapper {
    position: relative;
}

.centerpiece__image {
    aspect-ratio: 1;
    background: var(--porcelain);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--ink-ghost);
    overflow: hidden;
    position: relative;
    transition: transform var(--dur-slow) var(--ease-out);
}

.centerpiece__image:hover {
    transform: translateY(-4px);
}

/* Inner shadow for depth */
.centerpiece__image::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 8px;
    box-shadow: var(--shadow-inner);
    pointer-events: none;
}

.centerpiece__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--space-xl);
}

.centerpiece__placeholder {
    width: 180px;
    height: 220px;
    background: var(--kennedy-cream);
    border: 3px solid var(--kennedy-blue);
    border-radius: 4px 4px 50% 50% / 4px 4px 30% 30%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 500;
    text-align: center;
    color: var(--kennedy-red);
    padding: var(--space-lg);
    box-shadow: 
        var(--shadow-md),
        inset 0 -20px 40px rgba(0,0,0,0.03);
    position: relative;
}

/* Paper cup texture effect */
.centerpiece__placeholder::before {
    content: '';
    position: absolute;
    inset: 4px;
    border: 1px dashed var(--ink-ghost);
    border-radius: inherit;
    pointer-events: none;
}

.centerpiece__content {
    max-width: 520px;
}

.centerpiece__title {
    font-size: clamp(2rem, 4.5vw, 3rem);
    color: var(--kennedy-blue);
    margin-bottom: var(--space-xs);
    line-height: 1.1;
}

.centerpiece__meta {
    font-size: 0.9rem;
    color: var(--ink-soft);
    margin-bottom: var(--space-xl);
    line-height: 1.9;
    border-left: 2px solid var(--kennedy-red);
    padding-left: var(--space-md);
}

.centerpiece__story {
    font-size: 1.05rem;
    line-height: 1.95;
}

.centerpiece__story p {
    margin-bottom: var(--space-md);
}

.centerpiece__source {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--ink-ghost);
}

.centerpiece__source-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.85rem;
    padding: var(--space-xs) var(--space-sm);
    background: var(--kennedy-blue);
    color: white !important;
    border-radius: 4px;
    background-image: none;
    transition: 
        background-color var(--dur-quick),
        transform var(--dur-quick);
}

.centerpiece__source-link:hover {
    background: var(--tenmoku);
    transform: translateY(-1px);
}

.centerpiece__source-link::after {
    content: none !important;
}

/* ═══════════════════════════════════════════════════════════════
   RESEARCH SECTION
   ═══════════════════════════════════════════════════════════════ */

.research {
    background: var(--paper);
    padding: var(--space-3xl) 0;
}

.research__content {
    max-width: 640px;
    margin: 0 auto;
}

.research__list {
    list-style: none;
    margin: var(--space-xl) 0 0;
}

.research__item {
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--ink-ghost);
    transition: background-color var(--dur-quick);
}

.research__item:first-child {
    border-top: 1px solid var(--ink-ghost);
}

.research__item:hover {
    background: var(--paper-warm);
    margin-inline: calc(var(--space-md) * -1);
    padding-inline: var(--space-md);
}

.research__source {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.research__badge {
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: var(--space-3xs) var(--space-xs);
    background: var(--kennedy-blue);
    color: white;
    border-radius: 3px;
}

.research__detail {
    font-size: 0.9rem;
    color: var(--ink-soft);
    line-height: 1.8;
}

.research__price {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--oribe);
    margin-top: var(--space-xs);
}

/* ═══════════════════════════════════════════════════════════════
   COLLECTION HEADER
   ═══════════════════════════════════════════════════════════════ */

.collection {
    padding: var(--space-4xl) 0;
    background: 
        radial-gradient(ellipse 60% 40% at 50% 100%, var(--celadon-glow) 0%, transparent 50%),
        var(--paper);
}

.collection__header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    max-width: 600px;
    margin-inline: auto;
}

.collection__intro {
    color: var(--ink-soft);
    font-size: 1.05rem;
}

/* Category navigation */
.collection__categories {
    display: flex;
    justify-content: center;
    gap: var(--space-xs);
    flex-wrap: wrap;
    margin-top: var(--space-xl);
}

.category-pill {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    padding: var(--space-xs) var(--space-md);
    background: transparent;
    border: 1px solid var(--ink-ghost);
    border-radius: 20px;
    color: var(--ink-soft);
    cursor: pointer;
    transition: all var(--dur-quick) var(--ease-out);
}

.category-pill:hover,
.category-pill.active {
    background: var(--ink);
    border-color: var(--ink);
    color: var(--paper);
}

/* ═══════════════════════════════════════════════════════════════
   MUG GRID
   ═══════════════════════════════════════════════════════════════ */

.mug-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-xl);
}

/* ═══════════════════════════════════════════════════════════════
   MUG CARD — Each vessel a story
   ═══════════════════════════════════════════════════════════════ */

.mug-card {
    background: var(--porcelain);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--ink-ghost);
    transition: 
        transform var(--dur-slow) var(--ease-out),
        box-shadow var(--dur-slow) var(--ease-out);
    position: relative;
}

.mug-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--celadon);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--dur-normal) var(--ease-out);
}

.mug-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.mug-card:hover::before {
    transform: scaleX(1);
}

.mug-card__image {
    aspect-ratio: 1;
    background: 
        radial-gradient(circle at 30% 30%, rgba(255,255,255,0.8) 0%, transparent 50%),
        var(--paper);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--ink-ghost);
    overflow: hidden;
    position: relative;
}

/* Soft vignette */
.mug-card__image::after {
    content: '';
    position: absolute;
    inset: 0;
    box-shadow: inset 0 0 60px rgba(0,0,0,0.04);
    pointer-events: none;
}

.mug-card__image img {
    width: 85%;
    height: 85%;
    object-fit: contain;
    transition: transform var(--dur-slow) var(--ease-out);
}

.mug-card:hover .mug-card__image img {
    transform: scale(1.05) rotate(1deg);
}

.mug-card__placeholder {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    transition: transform var(--dur-slow) var(--ease-spring);
}

.mug-card:hover .mug-card__placeholder {
    transform: scale(1.1) rotate(-3deg);
}

.mug-card__content {
    padding: var(--space-lg);
}

.mug-card__category {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: var(--space-2xs);
    display: inline-block;
}

.mug-card__title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin-bottom: var(--space-2xs);
    color: var(--ink);
    line-height: 1.25;
}

.mug-card__maker {
    font-size: 0.8rem;
    color: var(--ink-faint);
    margin-bottom: var(--space-sm);
}

.mug-card__description {
    font-size: 0.9rem;
    color: var(--ink-soft);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.mug-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--ink-ghost);
}

.mug-card__price {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--oribe);
}

.mug-card__link {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--ink-soft);
    background-image: none;
    display: flex;
    align-items: center;
    gap: var(--space-2xs);
    transition: color var(--dur-quick);
}

.mug-card__link:hover {
    color: var(--celadon-deep);
}

.mug-card__link::after {
    content: '→';
    transition: transform var(--dur-quick);
}

.mug-card:hover .mug-card__link::after {
    transform: translateX(3px);
}

/* Category colors */
.mug-card[data-category="kennedy"] .mug-card__placeholder { background: var(--kennedy-blue); color: white; }
.mug-card[data-category="kennedy"] .mug-card__category { color: var(--kennedy-blue); }
.mug-card[data-category="kennedy"]::before { background: var(--kennedy-blue); }

.mug-card[data-category="history"] .mug-card__placeholder { background: var(--tenmoku); color: white; }
.mug-card[data-category="history"] .mug-card__category { color: var(--tenmoku); }
.mug-card[data-category="history"]::before { background: var(--tenmoku); }

.mug-card[data-category="craft"] .mug-card__placeholder { background: var(--rust); color: white; }
.mug-card[data-category="craft"] .mug-card__category { color: var(--rust); }
.mug-card[data-category="craft"]::before { background: var(--rust); }

.mug-card[data-category="collectible"] .mug-card__placeholder { background: var(--arabia-blue); color: white; }
.mug-card[data-category="collectible"] .mug-card__category { color: var(--arabia-blue); }
.mug-card[data-category="collectible"]::before { background: var(--arabia-blue); }

.mug-card[data-category="beauty"] .mug-card__placeholder { background: var(--celadon); color: var(--ink); }
.mug-card[data-category="beauty"] .mug-card__category { color: var(--celadon-deep); }
.mug-card[data-category="beauty"]::before { background: var(--celadon); }

.mug-card[data-category="vintage"] .mug-card__placeholder { background: var(--jadeite); color: white; }
.mug-card[data-category="vintage"] .mug-card__category { color: var(--jadeite); }
.mug-card[data-category="vintage"]::before { background: var(--jadeite); }

/* ═══════════════════════════════════════════════════════════════
   SECTION DIVIDER
   ═══════════════════════════════════════════════════════════════ */

.divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-xl) 0;
    color: var(--ink-ghost);
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--ink-ghost);
    max-width: 120px;
}

.divider__icon {
    font-size: 1.5rem;
    opacity: 0.4;
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */

.footer {
    text-align: center;
    padding: var(--space-3xl) var(--space-md);
    background: var(--paper-warm);
    border-top: 1px solid var(--ink-ghost);
}

.footer__message {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.3rem;
    color: var(--tenmoku);
    margin-bottom: var(--space-md);
}

.footer__credit {
    font-size: 0.75rem;
    color: var(--ink-faint);
    letter-spacing: 0.05em;
}

.footer__heart {
    display: inline-block;
    color: var(--kennedy-red);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ═══════════════════════════════════════════════════════════════
   KENNEDY QUOTE CALLOUT
   ═══════════════════════════════════════════════════════════════ */

.kennedy-quote {
    max-width: 720px;
    margin: var(--space-3xl) auto;
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    background: linear-gradient(135deg, var(--kennedy-blue) 0%, #2A4A7A 100%);
    color: white;
    border-radius: 8px;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.kennedy-quote::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 30px;
    font-family: var(--font-display);
    font-size: 6rem;
    color: rgba(255,255,255,0.15);
    line-height: 1;
}

.kennedy-quote p {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 3vw, 1.4rem);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: var(--space-md);
    max-width: none;
}

.kennedy-quote cite {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-style: normal;
    opacity: 0.8;
}

/* ═══════════════════════════════════════════════════════════════
   AUDIO PLAYER
   ═══════════════════════════════════════════════════════════════ */

.audio-player {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    padding: var(--space-sm) var(--space-md);
    background: var(--paper-warm);
    border-radius: 30px;
    border: 1px solid var(--ink-ghost);
    width: fit-content;
    margin-inline: auto;
}

.audio-player__button {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--kennedy-blue);
    background: white;
    color: var(--kennedy-blue);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--dur-quick) var(--ease-out);
    -webkit-tap-highlight-color: transparent;
}

.audio-player__button:hover,
.audio-player__button:focus {
    background: var(--kennedy-blue);
    color: white;
    transform: scale(1.05);
}

.audio-player__button:active {
    transform: scale(0.95);
}

.audio-player__button.playing {
    background: var(--kennedy-red);
    border-color: var(--kennedy-red);
    color: white;
}

.audio-player__icon {
    font-size: 1rem;
    margin-left: 2px;
}

.audio-player__button.playing .audio-player__icon::before {
    content: '❚❚';
    margin-left: 0;
}

.audio-player__label {
    font-size: 0.8rem;
    color: var(--ink-soft);
    font-weight: 500;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE — Mobile-First for iPhone
   ═══════════════════════════════════════════════════════════════ */

/* Tablet and below */
@media (max-width: 900px) {
    .centerpiece__inner {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .centerpiece__image-wrapper {
        max-width: 320px;
        margin: 0 auto;
    }
    
    .centerpiece__content {
        text-align: center;
        max-width: none;
    }
    
    .centerpiece__meta {
        border-left: none;
        padding-left: 0;
        border-top: 2px solid var(--kennedy-red);
        padding-top: var(--space-md);
        text-align: center;
    }
    
    .kennedy-quote {
        margin-inline: var(--space-md);
        border-radius: 12px;
    }
}

/* Mobile — iPhone optimized */
@media (max-width: 600px) {
    :root {
        --space-lg: 1.25rem;
        --space-xl: 2rem;
        --space-2xl: 3rem;
        --space-3xl: 4rem;
    }
    
    html {
        font-size: 16px;
    }
    
    section {
        padding: var(--space-2xl) 0;
    }
    
    .container {
        width: calc(100% - var(--space-lg) * 2);
    }
    
    /* Hero mobile */
    .hero {
        min-height: 80vh;
        min-height: 80dvh;
        padding: var(--space-2xl) var(--space-md);
    }
    
    .hero__title {
        font-size: 3rem;
    }
    
    .hero__subtitle {
        font-size: 1rem;
    }
    
    /* Centerpiece mobile */
    .centerpiece {
        padding: var(--space-2xl) 0;
    }
    
    .centerpiece__image-wrapper {
        max-width: 240px;
    }
    
    .centerpiece__title {
        font-size: 1.75rem;
    }
    
    .centerpiece__story {
        font-size: 1rem;
    }
    
    .centerpiece__source-link {
        width: 100%;
        justify-content: center;
        padding: var(--space-sm) var(--space-md);
    }
    
    /* Audio player mobile */
    .audio-player {
        width: 100%;
        justify-content: center;
    }
    
    /* Kennedy quote mobile */
    .kennedy-quote {
        margin: var(--space-xl) var(--space-sm);
        padding: var(--space-lg) var(--space-md);
    }
    
    .kennedy-quote::before {
        font-size: 4rem;
        top: -10px;
        left: 15px;
    }
    
    .kennedy-quote p {
        font-size: 1.05rem;
    }
    
    /* Collection mobile */
    .collection__categories {
        gap: var(--space-2xs);
        padding: 0 var(--space-sm);
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        justify-content: flex-start;
        flex-wrap: nowrap;
    }
    
    .collection__categories::-webkit-scrollbar {
        display: none;
    }
    
    .category-pill {
        padding: var(--space-xs) var(--space-md);
        font-size: 0.75rem;
        white-space: nowrap;
        flex-shrink: 0;
        /* iOS tap target minimum */
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    /* Mug grid mobile */
    .mug-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .mug-card {
        border-radius: 12px;
    }
    
    .mug-card__image {
        aspect-ratio: 4/3;
    }
    
    .mug-card__content {
        padding: var(--space-md);
    }
    
    .mug-card__title {
        font-size: 1.2rem;
    }
    
    .mug-card__footer {
        flex-direction: column;
        gap: var(--space-sm);
        align-items: stretch;
    }
    
    .mug-card__link {
        background: var(--paper-warm);
        padding: var(--space-sm) var(--space-md);
        border-radius: 6px;
        text-align: center;
        justify-content: center;
        /* iOS tap target */
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    /* Research mobile */
    .research__item {
        padding: var(--space-md) 0;
    }
    
    .research__source {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2xs);
    }
    
    /* Footer mobile */
    .footer {
        padding: var(--space-xl) var(--space-md);
    }
}

/* iPhone SE and small devices */
@media (max-width: 375px) {
    .hero__title {
        font-size: 2.5rem;
    }
    
    .kennedy-quote p {
        font-size: 0.95rem;
    }
    
    .category-pill {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.7rem;
    }
}

/* Safe area insets for iPhone X+ */
@supports (padding: max(0px)) {
    body {
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
    }
    
    .footer {
        padding-bottom: max(var(--space-xl), calc(var(--space-xl) + env(safe-area-inset-bottom)));
    }
}

/* ═══════════════════════════════════════════════════════════════
   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;
    }
}

/* ═══════════════════════════════════════════════════════════════
   SCROLL REVEAL
   ═══════════════════════════════════════════════════════════════ */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: 
        opacity var(--dur-glacial) var(--ease-out),
        transform var(--dur-glacial) var(--ease-out);
}

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

/* Stagger children */
.reveal-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: 
        opacity var(--dur-slow) var(--ease-out),
        transform var(--dur-slow) var(--ease-out);
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 400ms; }

.reveal-stagger.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════════════
   FOCUS STATES — Keyboard accessibility
   ═══════════════════════════════════════════════════════════════ */

.category-pill:focus-visible,
.mug-card__link:focus-visible,
.audio-player__button:focus-visible {
    outline: 2px solid var(--celadon-deep);
    outline-offset: 2px;
}

.mug-card:focus-within {
    box-shadow: var(--shadow-lg), 0 0 0 2px var(--celadon);
}

/* ═══════════════════════════════════════════════════════════════
   SCROLL PROGRESS INDICATOR
   ═══════════════════════════════════════════════════════════════ */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--celadon), var(--celadon-deep));
    transform-origin: left;
    z-index: 999;
    pointer-events: none;
    width: 0%;
}

/* ═══════════════════════════════════════════════════════════════
   PRINT STYLESHEET
   ═══════════════════════════════════════════════════════════════ */

@media print {
    body::before {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: 2rem 1rem;
        background: white;
    }

    section {
        page-break-inside: avoid;
        padding: 2rem 0;
    }

    .mug-card {
        page-break-inside: avoid;
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }

    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 0.7rem;
        word-break: break-all;
        color: var(--ink-faint);
    }

    .collection__categories,
    .audio-player,
    .scroll-progress {
        display: none;
    }

    .centerpiece {
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }

    .kennedy-quote {
        background: #f0f0f0 !important;
        color: black !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

/* ═══════════════════════════════════════════════════════════════
   DARK MODE
   ═══════════════════════════════════════════════════════════════ */

@media (prefers-color-scheme: dark) {
    :root {
        /* Dark backgrounds */
        --paper: #1a1a1a;
        --paper-warm: #242424;
        --paper-shadow: #2d2d2d;
        --porcelain: #1e1e1e;
        --bisque: #2b2b2b;

        /* Light text for dark bg */
        --ink: #f0ede8;
        --ink-soft: rgba(240, 237, 232, 0.72);
        --ink-faint: rgba(240, 237, 232, 0.45);
        --ink-ghost: rgba(240, 237, 232, 0.18);

        /* Glazes - brightened for contrast */
        --celadon: #a8c9b8;
        --celadon-deep: #8ab39e;
        --celadon-glow: rgba(168, 201, 184, 0.15);
        --tenmoku: #b8a39a;
        --tenmoku-light: #c9b3a3;
        --shino: #d4b89e;
        --oribe: #8fa389;
        --ash: #a9a99c;
        --kintsugi: #d4b76a;
        --rust: #d4956a;
        --cobalt: #6b94d4;

        /* Kennedy palette - brightened */
        --kennedy-blue: #5a8edb;
        --kennedy-red: #e84c5c;
        --kennedy-cream: #d4cfc0;

        /* Other palettes */
        --arabia-blue: #6b8fb8;
        --moomin-sky: #a8d9f5;
        --jadeite: #a8c9b8;
        --jadeite-glow: rgba(168, 201, 184, 0.3);
    }

    body {
        background: var(--paper);
    }

    body::before {
        opacity: 0.015;
    }

    .hero {
        background:
            radial-gradient(ellipse 80% 50% at 50% 0%, var(--celadon-glow) 0%, transparent 50%),
            linear-gradient(180deg, #252525 0%, #1a1a1a 100%);
    }

    .centerpiece {
        background: var(--paper-warm);
    }

    .centerpiece__image {
        background: var(--porcelain);
    }

    .mug-card {
        background: var(--porcelain);
    }

    .mug-card__image {
        background:
            radial-gradient(circle at 30% 30%, rgba(255,255,255,0.05) 0%, transparent 50%),
            var(--paper-shadow);
    }

    .research {
        background: var(--paper);
    }

    .collection {
        background:
            radial-gradient(ellipse 60% 40% at 50% 100%, var(--celadon-glow) 0%, transparent 50%),
            var(--paper);
    }

    .museum-contact {
        background: var(--paper-warm);
    }

    .museum-contact__action {
        background: var(--paper-shadow);
    }

    .footer {
        background: var(--paper-warm);
    }

    .kennedy-quote {
        background: linear-gradient(135deg, #3a5a9e 0%, #4a6aae 100%);
    }

    .audio-player {
        background: var(--paper-warm);
    }
}