/* =========================================================
   graphers.dev — Celestial Observatory of Data
   Art-deco masonry gallery · terracotta-warm palette
   ========================================================= */

:root {
    --deep-night: #1a1520;
    --terracotta: #c87856;
    --copper: #c4956a;
    --cream: #faf5ef;
    --dusty-rose: #b8908a;
    --sage: #a0a88e;
    --graphite: #3d3540;
    --gold: #d4a853;
    --bronze: #8b7355;

    --font-display: "Commissioner", "Lora", serif;
    --font-body: "Nunito Sans", "Inter", sans-serif;
    --font-mono: "IBM Plex Mono", "Space Mono", monospace;

    --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --gutter: 24px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--graphite);
    background: var(--deep-night);
    line-height: 1.72;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    letter-spacing: 0.01em;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 300;
    letter-spacing: 0.04em;
    margin: 0;
    color: var(--graphite);
}

p {
    margin: 0;
}

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

/* =========================================================
   Radial Navigation
   ========================================================= */
.radial-nav {
    position: fixed;
    top: 28px;
    right: 28px;
    z-index: 1000;
    width: 56px;
    height: 56px;
}

.radial-nav-trigger {
    position: relative;
    z-index: 2;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(26, 21, 32, 0.85);
    border: 1px solid var(--copper);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 500ms var(--spring), border-color 300ms ease, box-shadow 400ms ease;
    padding: 0;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.radial-nav-trigger:hover {
    border-color: var(--gold);
    box-shadow: 0 0 18px rgba(212, 168, 83, 0.4);
}

.radial-nav.open .radial-nav-trigger {
    transform: rotate(180deg);
    border-color: var(--terracotta);
}

.radial-nav-trigger .nav-star {
    filter: drop-shadow(0 0 4px rgba(212, 168, 83, 0.4));
    transition: transform 600ms var(--spring);
}

.radial-nav.open .nav-star {
    transform: rotate(45deg);
}

.radial-nav-menu {
    position: absolute;
    top: 28px;
    left: 28px;
    margin: 0;
    padding: 0;
    list-style: none;
    pointer-events: none;
}

.radial-nav-item {
    position: absolute;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%) rotate(0);
    opacity: 0;
    transition: opacity 350ms ease, transform 500ms var(--spring);
}

.radial-nav.open .radial-nav-item {
    opacity: 1;
    pointer-events: auto;
    transform:
        translate(-50%, -50%)
        rotate(var(--angle))
        translateX(92px)
        rotate(calc(-1 * var(--angle)));
}

.radial-nav-item a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(26, 21, 32, 0.85);
    border: 1px solid var(--copper);
    color: var(--cream);
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    text-transform: lowercase;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: background 300ms ease, border-color 300ms ease, color 300ms ease;
    white-space: nowrap;
}

.radial-nav-item a:hover {
    background: var(--terracotta);
    border-color: var(--gold);
    color: var(--cream);
}

/* =========================================================
   The Vault
   ========================================================= */
.vault {
    position: relative;
    min-height: 100vh;
    background: radial-gradient(ellipse at center top, #25192e 0%, #1a1520 45%, #120d18 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.vault::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 18% 22%, rgba(196, 149, 106, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 82% 78%, rgba(200, 120, 86, 0.07) 0%, transparent 45%);
    pointer-events: none;
}

.vault-stars,
.vault-constellation {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.vault-stars circle {
    opacity: 0;
    transform-box: fill-box;
    transform-origin: center;
    animation: star-appear 400ms var(--ease-out) forwards, star-pulse 4s ease-in-out infinite;
}

.vault-constellation line {
    stroke-dasharray: var(--len, 200);
    stroke-dashoffset: var(--len, 200);
    opacity: 0;
}

.vault-constellation line.drawn {
    animation: constellation-draw 600ms ease-out forwards;
}

@keyframes star-appear {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes star-pulse {
    0%, 100% { opacity: 0.85; }
    50%      { opacity: 0.35; }
}

@keyframes constellation-draw {
    from {
        stroke-dashoffset: var(--len, 200);
        opacity: 0;
    }
    to {
        stroke-dashoffset: 0;
        opacity: 0.2;
    }
}

.vault-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 24px;
    max-width: 900px;
}

.vault-title {
    font-family: var(--font-display);
    font-weight: 300;
    color: var(--copper);
    font-size: clamp(3rem, 7vw, 6rem);
    letter-spacing: 0.2em;
    line-height: 1.1;
    margin: 0 0 0.6em;
    opacity: 0;
    text-shadow: 0 0 24px rgba(196, 149, 106, 0.3);
    animation: vault-title-enter 1600ms 1.6s forwards var(--ease-out);
}

@keyframes vault-title-enter {
    0% {
        opacity: 0;
        letter-spacing: 0.2em;
    }
    100% {
        opacity: 1;
        letter-spacing: 0.04em;
    }
}

.vault-subtitle {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--dusty-rose);
    font-size: clamp(1rem, 1.6vw, 1.25rem);
    letter-spacing: 0.28em;
    text-transform: lowercase;
    margin: 0 0 2em;
    opacity: 0;
    animation: fade-in 1200ms 2.6s forwards;
}

.vault-etching {
    opacity: 0;
    animation: fade-in 1000ms 3.2s forwards;
    margin-bottom: 1.6em;
}

.vault-caption {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--bronze);
    letter-spacing: 0.18em;
    text-transform: lowercase;
    opacity: 0;
    animation: fade-in 900ms 3.6s forwards;
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.vault-scroll-hint {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    color: var(--bronze);
    text-transform: lowercase;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0;
    animation: fade-in 900ms 4s forwards, scroll-bob 3.2s 4.5s ease-in-out infinite;
}

@keyframes scroll-bob {
    0%, 100% { transform: translate(-50%, 0); }
    50%      { transform: translate(-50%, 6px); }
}

/* =========================================================
   Starburst Divider
   ========================================================= */
.starburst-divider {
    width: 100%;
    padding: 60px 0;
    background: var(--deep-night);
    overflow: hidden;
}

.starburst-divider svg {
    display: block;
    width: 100%;
    height: 40px;
}

/* =========================================================
   The Gallery
   ========================================================= */
.gallery {
    background: linear-gradient(180deg, #1a1520 0%, #221826 50%, #1a1520 100%);
    padding: 80px 40px 100px;
    position: relative;
}

.gallery-intro {
    max-width: 800px;
    margin: 0 auto 64px;
    text-align: center;
    color: var(--cream);
}

.gallery-mono,
.orrery-mono,
.archive-mono {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--bronze);
    letter-spacing: 0.28em;
    text-transform: lowercase;
    margin-bottom: 1.2em;
}

.gallery-heading,
.orrery-heading,
.archive-heading {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(2rem, 4.5vw, 3.6rem);
    color: var(--copper);
    letter-spacing: 0.04em;
    line-height: 1.15;
    margin-bottom: 0.5em;
}

.gallery-lede,
.orrery-lede,
.archive-lede {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--dusty-rose);
    font-size: clamp(0.95rem, 1.4vw, 1.1rem);
    line-height: 1.72;
    max-width: 620px;
    margin: 0 auto;
}

/* True masonry via CSS columns */
.masonry {
    column-count: 3;
    column-gap: var(--gutter);
    max-width: 1280px;
    margin: 0 auto;
}

@media (max-width: 960px) {
    .masonry { column-count: 2; }
}

@media (max-width: 640px) {
    .masonry { column-count: 1; }
}

.specimen-card {
    position: relative;
    display: inline-block;
    width: 100%;
    break-inside: avoid;
    page-break-inside: avoid;
    margin: 0 0 var(--gutter);
    padding: 28px 26px 24px;
    background: var(--cream);
    border-radius: 12px;
    border: 1px solid var(--copper);
    color: var(--graphite);
    transform: translateY(20px);
    opacity: 0;
    transition:
        transform 600ms var(--spring),
        opacity 600ms ease-out,
        border-color 300ms ease;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(26, 21, 32, 0.35);
}

.specimen-card.is-visible {
    transform: translateY(0);
    opacity: 1;
}

.specimen-card:hover {
    border-color: var(--terracotta);
    transform: translateY(0) scale(1.03);
    transition:
        transform 300ms var(--spring),
        border-color 300ms ease,
        box-shadow 300ms ease;
    box-shadow: 0 18px 40px rgba(26, 21, 32, 0.45);
    z-index: 5;
}

/* Ziggurat stepped top stripe */
.card-stripe {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background-image:
        linear-gradient(to right,
            var(--terracotta) 0,
            var(--terracotta) 8px,
            var(--copper) 8px,
            var(--copper) 10px,
            var(--terracotta) 10px,
            var(--terracotta) 16px);
    background-size: 16px 6px;
    background-repeat: repeat-x;
    overflow: hidden;
}

.card-stripe::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(212, 168, 83, 0) 30%,
        rgba(212, 168, 83, 0.55) 50%,
        rgba(212, 168, 83, 0) 70%,
        transparent 100%);
    transform: translateX(-100%);
    transition: transform 0ms;
}

.specimen-card:hover .card-stripe::after {
    animation: stripe-shimmer 1200ms ease-in-out;
}

@keyframes stripe-shimmer {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.card-icon-frame {
    width: 100%;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    margin-bottom: 18px;
    background: linear-gradient(135deg, rgba(196, 149, 106, 0.06) 0%, rgba(200, 120, 86, 0.04) 100%);
    border-radius: 8px;
    border: 1px solid rgba(139, 115, 85, 0.22);
}

.card-icon-frame.wide-frame {
    aspect-ratio: 3 / 1;
    padding: 16px 20px;
}

.card-icon {
    width: 100%;
    height: 100%;
    color: var(--graphite);
    transition: color 300ms ease, transform 400ms var(--spring);
}

.specimen-card:hover .card-icon {
    color: var(--gold);
    transform: scale(1.05);
    filter: drop-shadow(0 0 6px rgba(212, 168, 83, 0.35));
}

.card-mono {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--bronze);
    letter-spacing: 0.2em;
    text-transform: lowercase;
    margin-bottom: 0.4em;
}

.card-title {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--graphite);
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    line-height: 1.1;
    letter-spacing: 0.02em;
    margin: 0 0 0.5em;
    transition: font-weight 500ms ease;
}

.card-body {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--graphite);
    font-size: 0.98rem;
    line-height: 1.72;
    margin-bottom: 16px;
    opacity: 0.88;
}

.mini-chart {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 46px;
    margin: 0 0 16px;
    padding: 4px 2px;
}

.mini-bar {
    flex: 1;
    height: 0%;
    background: linear-gradient(to top, var(--terracotta) 0%, var(--gold) 100%);
    border-radius: 2px 2px 0 0;
    transition: height 900ms var(--ease-out);
}

.specimen-card.is-visible .mini-bar {
    height: var(--h, 50%);
}

.mini-line {
    display: block;
    width: 100%;
    height: 54px;
    margin-bottom: 14px;
}

.mini-line path {
    stroke-dasharray: 400;
    stroke-dashoffset: 400;
    transition: stroke-dashoffset 2200ms var(--ease-out);
}

.specimen-card.is-visible .mini-line path {
    stroke-dashoffset: 0;
}

.card-rating {
    display: flex;
    gap: 6px;
    align-items: center;
}

.rating-star {
    width: 10px;
    height: 10px;
    display: inline-block;
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
    background: rgba(139, 115, 85, 0.25);
    transition: background 300ms ease;
}

.rating-star.filled {
    background: var(--gold);
    filter: drop-shadow(0 0 3px rgba(212, 168, 83, 0.4));
}

.specimen-card:hover .rating-star.filled {
    background: var(--terracotta);
}

/* =========================================================
   The Orrery
   ========================================================= */
.orrery-section {
    background: radial-gradient(ellipse at center, #2a1d32 0%, #1a1520 60%, #120d18 100%);
    padding: 100px 24px 120px;
    text-align: center;
    overflow: hidden;
    position: relative;
}

.orrery-header {
    max-width: 760px;
    margin: 0 auto 60px;
    color: var(--cream);
}

.orrery-stage {
    position: relative;
    width: min(92vw, 640px);
    height: min(92vw, 640px);
    margin: 0 auto;
}

.orrery-glow {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.12) 0%, transparent 55%);
    filter: blur(10px);
    pointer-events: none;
}

.orrery {
    position: absolute;
    top: 50%;
    left: 50%;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid var(--copper);
    transform-origin: center center;
}

.orrery.ring-outer {
    width: 100%;
    height: 100%;
    border-color: rgba(196, 149, 106, 0.6);
    animation: orbit 120s linear infinite;
}

.orrery.ring-middle {
    width: 62%;
    height: 62%;
    border-color: rgba(196, 149, 106, 0.35);
    animation: orbit-reverse 70s linear infinite;
}

.orrery.ring-inner {
    width: 30%;
    height: 30%;
    border-color: rgba(196, 149, 106, 0.2);
    animation: orbit 30s linear infinite;
}

@keyframes orbit {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to   { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes orbit-reverse {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to   { transform: translate(-50%, -50%) rotate(-360deg); }
}

.orbit-badge {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 38px;
    height: 38px;
    background: var(--deep-night);
    border: 1px solid var(--copper);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    transform: translate(-50%, -50%) rotate(var(--pos)) translateY(calc(-50% - 0px));
    transform-origin: center center;
}

.ring-outer .orbit-badge {
    transform:
        translate(-50%, -50%)
        rotate(var(--pos))
        translate(0, -50cqw)
        rotate(calc(-1 * var(--pos)));
}

.ring-middle .orbit-badge {
    width: 32px;
    height: 32px;
    transform:
        translate(-50%, -50%)
        rotate(var(--pos))
        translate(0, -50cqw)
        rotate(calc(-1 * var(--pos)));
}

.ring-inner .orbit-badge {
    width: 22px;
    height: 22px;
    border-color: var(--gold);
    padding: 2px;
    transform:
        translate(-50%, -50%)
        rotate(var(--pos))
        translate(0, -50cqw)
        rotate(calc(-1 * var(--pos)));
}

.orrery {
    container-type: size;
}

.orbit-badge svg {
    width: 100%;
    height: 100%;
}

.orrery-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    filter: drop-shadow(0 0 12px rgba(212, 168, 83, 0.45));
    animation: core-pulse 5s ease-in-out infinite;
}

@keyframes core-pulse {
    0%, 100% { opacity: 0.8; transform: translate(-50%, -50%) scale(1); }
    50%      { opacity: 1;   transform: translate(-50%, -50%) scale(1.06); }
}

.orrery-label {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.24em;
    text-transform: lowercase;
    color: var(--bronze);
    white-space: nowrap;
}

.orrery-label.top { top: -24px; }
.orrery-label.bottom { bottom: -24px; }

.orrery-footer-note {
    margin-top: 60px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--bronze);
    letter-spacing: 0.2em;
    text-transform: lowercase;
}

/* =========================================================
   The Archive
   ========================================================= */
.archive {
    background: var(--deep-night);
    padding: 100px 0 60px;
    color: var(--cream);
}

.archive-header {
    text-align: center;
    padding: 0 40px;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.archive-reel {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: 24px 0;
    mask-image: linear-gradient(to right,
        transparent 0%,
        black 8%,
        black 92%,
        transparent 100%);
    -webkit-mask-image: linear-gradient(to right,
        transparent 0%,
        black 8%,
        black 92%,
        transparent 100%);
}

.reel-track {
    display: flex;
    gap: 18px;
    width: max-content;
    animation: reel-scroll 80s linear infinite;
    padding: 0 40px;
}

.reel-track:hover {
    animation-play-state: paused;
}

@keyframes reel-scroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

.reel-tile {
    flex: 0 0 auto;
    width: 60px;
    height: 60px;
    border: 1px solid rgba(200, 120, 86, 0.45);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    background: rgba(26, 21, 32, 0.6);
    transition: border-color 300ms ease, background 300ms ease, transform 300ms var(--spring);
}

.reel-tile:hover {
    border-color: var(--gold);
    background: rgba(200, 120, 86, 0.12);
    transform: translateY(-3px);
}

.reel-tile svg {
    width: 100%;
    height: 100%;
    color: var(--terracotta);
}

.site-footer {
    margin-top: 80px;
    padding: 40px 24px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    border-top: 1px solid rgba(196, 149, 106, 0.2);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    flex-wrap: wrap;
}

.footer-star {
    filter: drop-shadow(0 0 4px rgba(212, 168, 83, 0.5));
    animation: star-pulse 4s ease-in-out infinite;
}

.footer-name {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: 0.95rem;
    letter-spacing: 0.4em;
    color: var(--copper);
}

.footer-meta {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--bronze);
    letter-spacing: 0.18em;
    text-transform: lowercase;
}

/* =========================================================
   Responsive adjustments
   ========================================================= */
@media (max-width: 720px) {
    .gallery {
        padding: 60px 20px 80px;
    }

    .vault-title {
        letter-spacing: 0.12em;
    }

    .radial-nav {
        top: 18px;
        right: 18px;
    }

    .orrery-section {
        padding: 70px 16px 80px;
    }

    .site-footer {
        flex-direction: column;
        gap: 12px;
    }
}

/* Reduced motion respect */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}