:root {
    --bg: #070806;
    --bg-2: #10160f;
    --panel: rgba(16, 19, 15, 0.78);
    --panel-solid: #12170f;
    --bone: #f3ead8;
    --muted: #b9b09d;
    --amber: #ff9c24;
    --ember: #ff4f1f;
    --acid: #a8ff3e;
    --moss: #57723a;
    --leaf: #2d8a3e;
    --leaf-deep: #063f20;
    --leaf-light: #9be75b;
    --sun: #ffd76d;
    --line: rgba(243, 234, 216, 0.14);
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100%;
    background:
        radial-gradient(circle at 14% 8%, rgba(155, 231, 91, 0.18), transparent 24rem),
        radial-gradient(circle at 82% 10%, rgba(255, 215, 109, 0.2), transparent 28rem),
        radial-gradient(circle at 8% 64%, rgba(45, 138, 62, 0.18), transparent 30rem),
        radial-gradient(circle at 92% 72%, rgba(12, 94, 47, 0.2), transparent 32rem),
        linear-gradient(180deg, #041108 0%, #071307 42%, #0b180c 100%);
    color: var(--bone);
    font-family: Arial, Helvetica, sans-serif;
    overflow-x: hidden;
}

body.menu-open {
    overflow: hidden;
}

body.modal-open {
    overflow: hidden;
}

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

button {
    font: inherit;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    padding: 18px clamp(16px, 4vw, 54px);
    transition: padding 0.25s ease, background 0.25s ease, backdrop-filter 0.25s ease;
}

.site-header.scrolled {
    padding-top: 10px;
    padding-bottom: 10px;
    background: rgba(4, 20, 9, 0.82);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(155, 231, 91, 0.18);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.24);
}

.top-menu {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    max-width: 1220px;
    margin: 0 auto;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(255, 156, 36, 0.5);
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(255, 156, 36, 0.94), rgba(120, 255, 48, 0.72));
    color: #101008;
    font-weight: 900;
    box-shadow: 0 0 34px rgba(255, 156, 36, 0.22);
}

.brand strong {
    display: block;
    font-size: 1rem;
    font-weight: 900;
    letter-spacing: 0;
}

.brand small {
    display: block;
    color: var(--muted);
    font-size: 0.72rem;
    margin-top: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    position: relative;
    padding: 10px 14px;
    color: rgba(243, 234, 216, 0.78);
    font-size: 0.88rem;
    font-weight: 800;
    transition: color 0.2s ease;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 5px;
    height: 2px;
    background: var(--acid);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: #fff;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
    transform: scaleX(1);
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 5px auto;
    background: var(--bone);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.hero {
    position: relative;
    min-height: 100svh;
    display: grid;
    align-items: center;
    padding: 140px clamp(18px, 5vw, 72px) 72px;
    isolation: isolate;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image: url("../images/ap-dinoland-hero.jpg");
    background-size: cover;
    background-position: center;
    transform: scale(1.04);
    animation: slow-push 18s ease-in-out infinite alternate;
}

.tiny-dino-float svg {
    display: block;
    width: 100%;
    height: auto;
    fill: none;
    stroke: currentColor;
    stroke-width: 4;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 760px;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--acid);
    font-size: 0.76rem;
    font-weight: 900;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2 {
    font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
    letter-spacing: 0;
    line-height: 0.9;
}

h1 {
    max-width: 9ch;
    margin-bottom: 22px;
    font-size: clamp(5rem, 15vw, 12.5rem);
    text-shadow: 0 12px 34px rgba(0, 0, 0, 0.6);
}

h2 {
    margin-bottom: 16px;
    font-size: clamp(3.1rem, 8vw, 7.2rem);
}

h3 {
    margin-bottom: 10px;
    font-size: 1.35rem;
    overflow-wrap: anywhere;
}

.hero-copy {
    max-width: 650px;
    color: rgba(243, 234, 216, 0.84);
    font-size: clamp(1.04rem, 2vw, 1.32rem);
    line-height: 1.7;
}

.hero-actions,
.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-weight: 900;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
    transform: translateY(-3px);
}

.btn.primary {
    background: linear-gradient(135deg, var(--amber), var(--acid));
    color: #111207;
    border-color: transparent;
    box-shadow: 0 16px 46px rgba(255, 156, 36, 0.22);
}

.btn.ghost {
    background: rgba(255, 255, 255, 0.06);
    color: var(--bone);
}

.hero-stats {
    gap: 10px;
    margin-top: 44px;
}

.hero-stats span {
    display: grid;
    gap: 2px;
    min-width: 130px;
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(9, 12, 8, 0.6);
    backdrop-filter: blur(12px);
    color: var(--muted);
    font-size: 0.82rem;
}

.hero-stats strong {
    color: var(--bone);
    font-size: 1.42rem;
}

.scroll-cue {
    position: absolute;
    left: 50%;
    bottom: 24px;
    width: 28px;
    height: 46px;
    border: 1px solid rgba(243, 234, 216, 0.35);
    border-radius: 999px;
    transform: translateX(-50%);
}

.scroll-cue span {
    display: block;
    width: 5px;
    height: 8px;
    margin: 9px auto;
    border-radius: 999px;
    background: var(--acid);
    animation: scroll-dot 1.6s ease-in-out infinite;
}

section:not(.hero) {
    padding: 90px clamp(18px, 5vw, 72px);
}

.intro,
.species,
.dino-index,
.timeline,
.fossils,
.field-lab {
    position: relative;
    overflow: hidden;
}

.intro > *,
.species > *,
.dino-index > *,
.timeline > *,
.fossils > *,
.field-lab > * {
    position: relative;
    z-index: 1;
}

.section-heading {
    max-width: 850px;
    margin-bottom: 42px;
}

.intro {
    background:
        radial-gradient(circle at 18% 12%, rgba(155, 231, 91, 0.16), transparent 24rem),
        radial-gradient(circle at 86% 18%, rgba(255, 215, 109, 0.1), transparent 22rem),
        linear-gradient(180deg, rgba(5, 33, 13, 0.34), rgba(7, 19, 7, 0.12));
}

.species {
    background:
        linear-gradient(135deg, rgba(8, 54, 24, 0.42), rgba(4, 14, 6, 0.1)),
        repeating-linear-gradient(118deg, rgba(155, 231, 91, 0.055) 0 1px, transparent 1px 34px);
}

.section-heading.centered {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.intro-grid,
.lab-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    max-width: 1220px;
    margin: 0 auto;
}

.track-row {
    display: flex;
    justify-content: center;
    gap: clamp(18px, 5vw, 52px);
    max-width: 900px;
    margin: -30px auto 38px;
    opacity: 0.55;
}

.track-row span {
    width: 20px;
    height: 28px;
    border-radius: 60% 60% 45% 45%;
    background: rgba(168, 255, 62, 0.22);
    transform: rotate(-24deg);
    animation: track-pulse 2.8s ease-in-out infinite;
}

.track-row span:nth-child(even) {
    transform: rotate(24deg) translateY(16px);
}

.track-row span:nth-child(2) { animation-delay: 0.15s; }
.track-row span:nth-child(3) { animation-delay: 0.3s; }
.track-row span:nth-child(4) { animation-delay: 0.45s; }
.track-row span:nth-child(5) { animation-delay: 0.6s; }
.track-row span:nth-child(6) { animation-delay: 0.75s; }

.intro-grid article,
.dino-card,
.intel-panel,
.era-panel,
.clue,
.lab-output {
    border: 1px solid var(--line);
    border-radius: 8px;
    background:
        radial-gradient(circle at 20% 0%, rgba(155, 231, 91, 0.1), transparent 16rem),
        linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(8, 48, 22, 0.09));
    box-shadow: var(--shadow);
}

.intro-grid article {
    min-height: 220px;
    padding: 28px;
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.intro-grid article:hover {
    transform: translateY(-8px);
    border-color: rgba(168, 255, 62, 0.45);
}

.feature-icon,
.dino-rank {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 32px;
    min-width: 42px;
    margin-bottom: 24px;
    padding: 0 10px;
    border-radius: 8px;
    background: rgba(168, 255, 62, 0.12);
    color: var(--acid);
    font-weight: 900;
    font-size: 0.76rem;
}

.intro-grid p,
.dino-card p,
.era-panel p,
.fossil-card p,
.lab-output p,
.section-copy {
    color: var(--muted);
    line-height: 1.7;
}

.section-copy {
    max-width: 720px;
    margin: 0 auto;
}

.species-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
    gap: 18px;
    max-width: 1220px;
    margin: 0 auto;
    align-items: stretch;
}

.creature-stage {
    display: grid;
    align-items: stretch;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    background: rgba(5, 7, 5, 0.72);
}

.creature-stage img {
    width: 100%;
    height: 100%;
    min-height: 100%;
    object-fit: contain;
    display: block;
    transition: transform 0.7s ease;
}

.creature-stage:hover img {
    transform: scale(1.05);
}

.dino-cards {
    display: grid;
    grid-template-rows: repeat(3, 1fr);
    gap: 14px;
}

.dino-card {
    width: 100%;
    min-height: 0;
    padding: 22px;
    color: var(--bone);
    text-align: left;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.dino-card:hover,
.dino-card.active {
    transform: translateX(-8px);
    border-color: rgba(255, 156, 36, 0.7);
    background: linear-gradient(135deg, rgba(255, 156, 36, 0.14), rgba(168, 255, 62, 0.08));
}

meter {
    width: 100%;
    height: 9px;
    margin-top: 12px;
}

meter::-webkit-meter-bar {
    background: rgba(255, 255, 255, 0.08);
    border: 0;
    border-radius: 999px;
}

meter::-webkit-meter-optimum-value {
    background: linear-gradient(90deg, var(--amber), var(--acid));
    border-radius: 999px;
}

.intel-panel {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    max-width: 1220px;
    margin: 18px auto 0;
    padding: 26px;
    background:
        radial-gradient(circle at 92% 10%, rgba(155, 231, 91, 0.12), transparent 18rem),
        rgba(6, 28, 12, 0.74);
}

.intel-panel dl {
    display: grid;
    grid-template-columns: repeat(3, minmax(110px, 1fr));
    gap: 12px;
    margin: 0;
}

.intel-panel div {
    min-width: 0;
}

.intel-panel dt {
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
}

.intel-panel dd {
    margin: 5px 0 0;
    font-weight: 900;
}

.dino-index {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 20% 15%, rgba(255, 215, 109, 0.14), transparent 28rem),
        radial-gradient(circle at 90% 40%, rgba(155, 231, 91, 0.13), transparent 24rem),
        radial-gradient(circle at 6% 82%, rgba(22, 105, 48, 0.2), transparent 30rem),
        repeating-linear-gradient(142deg, rgba(155, 231, 91, 0.04) 0 2px, transparent 2px 42px),
        linear-gradient(180deg, rgba(8, 31, 13, 0.58), rgba(8, 24, 10, 0.9));
}

.tiny-dino-float {
    position: absolute;
    top: 54px;
    right: clamp(18px, 7vw, 110px);
    z-index: 1;
    width: 72px;
    color: rgba(255, 156, 36, 0.54);
    animation: float-dino 5s ease-in-out infinite;
    pointer-events: none;
}

.dino-index::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(243, 234, 216, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(243, 234, 216, 0.035) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: linear-gradient(180deg, transparent, #000 18%, #000 82%, transparent);
}

.index-controls {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    max-width: 1220px;
    margin: 0 auto 22px;
}

.filter-pills,
.scale-toggle {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-pill,
.scale-option {
    min-height: 42px;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.045);
    color: var(--bone);
    font-size: 0.84rem;
    font-weight: 900;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.filter-pill:hover,
.scale-option:hover,
.filter-pill.active,
.scale-option.active {
    transform: translateY(-2px);
    border-color: rgba(168, 255, 62, 0.58);
    background: rgba(168, 255, 62, 0.14);
}

.dino-index-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 370px);
    gap: 22px;
    max-width: 1220px;
    margin: 0 auto;
    align-items: start;
}

.dino-index-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.index-card {
    position: relative;
    min-height: 100%;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background:
        radial-gradient(circle at 26% 0%, rgba(155, 231, 91, 0.1), transparent 12rem),
        rgba(8, 28, 12, 0.88);
    color: var(--bone);
    text-align: left;
    cursor: pointer;
    box-shadow: var(--shadow);
    transform: translateY(0);
    animation: card-rise 0.55s ease both;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
}

.index-card::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(135deg, transparent 0 56%, rgba(155, 231, 91, 0.16));
    opacity: 0;
    transition: opacity 0.25s ease;
}

.index-card:hover,
.index-card.active {
    transform: translateY(-7px);
    border-color: rgba(255, 156, 36, 0.75);
    box-shadow: 0 26px 90px rgba(0, 0, 0, 0.62);
}

.index-card:hover::after,
.index-card.active::after {
    opacity: 1;
}

.index-card.hidden {
    display: none;
}

.index-card-media {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 100%;
    aspect-ratio: 4 / 5;
    padding: 10px;
    background:
        radial-gradient(circle at 50% 35%, rgba(155, 231, 91, 0.12), transparent 15rem),
        rgba(2, 8, 4, 0.86);
    border-bottom: 1px solid rgba(243, 234, 216, 0.1);
    overflow: hidden;
}

.index-card img {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    image-rendering: auto;
    transition: filter 0.25s ease;
}

.index-card:hover img,
.index-card.active img {
    filter: saturate(1.14) contrast(1.08);
}

.index-card-body {
    position: relative;
    z-index: 1;
    padding: 15px;
}

.index-card-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
}

.diet-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 2;
    min-width: 72px;
    padding: 6px 8px;
    border-radius: 8px;
    background: rgba(255, 156, 36, 0.12);
    color: var(--amber);
    font-size: 0.68rem;
    font-weight: 900;
    text-align: center;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
}

.index-card h3 {
    margin-bottom: 7px;
    font-size: clamp(1rem, 1.45vw, 1.16rem);
}

.index-card p {
    margin-bottom: 12px;
    color: var(--muted);
    font-size: 0.84rem;
    line-height: 1.5;
}

.index-card::before {
    content: "Open exhibit";
    position: absolute;
    left: 12px;
    top: 12px;
    z-index: 2;
    padding: 7px 9px;
    border-radius: 8px;
    background: rgba(5, 7, 5, 0.68);
    color: var(--bone);
    font-size: 0.68rem;
    font-weight: 900;
    opacity: 0;
    transform: translateY(-5px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    backdrop-filter: blur(10px);
}

.index-card:hover::before,
.index-card:focus-visible::before {
    opacity: 1;
    transform: translateY(0);
}

.mini-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.mini-stats span {
    padding: 7px;
    border: 1px solid rgba(243, 234, 216, 0.1);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 800;
}

.mini-stats strong {
    display: block;
    margin-top: 3px;
    color: var(--bone);
    font-size: 0.86rem;
    overflow-wrap: anywhere;
}

.scale-arena {
    position: sticky;
    top: 92px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025)),
        rgba(8, 11, 7, 0.88);
    box-shadow: var(--shadow);
}

.scale-visual {
    position: relative;
    display: flex;
    align-items: end;
    gap: 18px;
    min-height: 260px;
    padding: 28px 28px 34px;
    border-bottom: 1px solid var(--line);
    background:
        linear-gradient(180deg, rgba(168, 255, 62, 0.08), transparent),
        repeating-linear-gradient(0deg, rgba(243, 234, 216, 0.07) 0 1px, transparent 1px 38px);
}

.human-scale,
.dino-scale {
    display: grid;
    place-items: end center;
    border-radius: 8px 8px 0 0;
    color: #111207;
    font-size: 0.72rem;
    font-weight: 900;
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

.human-scale {
    width: 46px;
    height: 58px;
    background: linear-gradient(180deg, #f3ead8, #9b9384);
}

.dino-scale {
    width: min(180px, 42%);
    height: var(--scale-height, 170px);
    min-height: 18px;
    max-height: 220px;
    background: linear-gradient(180deg, var(--amber), var(--acid));
    box-shadow: 0 0 42px rgba(168, 255, 62, 0.25);
    transition: height 0.35s ease, width 0.35s ease;
}

.scale-details {
    padding: 24px;
}

.scale-details dl {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin: 22px 0;
}

.scale-details dt {
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 900;
    text-transform: uppercase;
}

.scale-details dd {
    margin: 5px 0 0;
    font-weight: 900;
}

.scale-note {
    margin: 0;
    padding: 14px;
    border-radius: 8px;
    background: rgba(255, 156, 36, 0.1);
    color: var(--bone);
    line-height: 1.6;
}

.gallery-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}

.page-dot,
.page-arrow {
    height: 40px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--bone);
    font-weight: 900;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-dot {
    width: 40px;
}

.page-arrow {
    padding: 0 14px;
}

.page-dot:hover,
.page-dot:focus-visible,
.page-dot.active,
.page-arrow:hover,
.page-arrow:focus-visible {
    transform: translateY(-3px);
    border-color: rgba(168, 255, 62, 0.72);
    background: linear-gradient(135deg, rgba(255, 156, 36, 0.22), rgba(168, 255, 62, 0.18));
}

.page-arrow:disabled {
    cursor: not-allowed;
    opacity: 0.42;
    transform: none;
}

.timeline {
    background:
        radial-gradient(circle at 14% 18%, rgba(155, 231, 91, 0.14), transparent 24rem),
        radial-gradient(circle at 84% 80%, rgba(45, 138, 62, 0.16), transparent 28rem),
        linear-gradient(180deg, rgba(22, 88, 39, 0.2), rgba(255, 156, 36, 0.05)),
        linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.04), transparent);
}

.era-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    max-width: 1220px;
    margin: 0 auto 18px;
}

.era-tab {
    min-height: 46px;
    padding: 0 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--bone);
    font-weight: 900;
    cursor: pointer;
}

.era-tab.active {
    color: #111207;
    background: var(--acid);
}

.era-panel {
    max-width: 1220px;
    margin: 0 auto;
    padding: clamp(26px, 5vw, 54px);
    background: rgba(8, 11, 7, 0.74);
}

.era-years {
    color: var(--amber);
    font-weight: 900;
}

.era-meter {
    height: 12px;
    margin-top: 28px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
}

.era-meter span {
    display: block;
    width: 28%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--amber), var(--acid));
    transition: width 0.35s ease;
}

.fossils {
    min-height: 620px;
    display: grid;
    align-items: end;
    background:
        linear-gradient(90deg, rgba(5, 7, 5, 0.93), rgba(5, 7, 5, 0.35)),
        url("../images/ap-dinoland-fossil.jpg") center / cover fixed;
}

.fossil-card {
    width: min(620px, 100%);
    padding: clamp(28px, 5vw, 52px);
    border-left: 4px solid var(--amber);
    background: rgba(6, 8, 6, 0.75);
    backdrop-filter: blur(14px);
}

.field-lab {
    background:
        radial-gradient(circle at 12% 20%, rgba(255, 215, 109, 0.12), transparent 22rem),
        radial-gradient(circle at 88% 70%, rgba(155, 231, 91, 0.16), transparent 28rem),
        linear-gradient(180deg, rgba(11, 73, 31, 0.25), rgba(168, 255, 62, 0.05));
}

.lab-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.clue {
    min-height: 150px;
    padding: 22px;
    color: var(--bone);
    text-align: left;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.clue span {
    display: block;
    color: var(--acid);
    font-size: 0.8rem;
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.clue strong {
    display: block;
    font-size: 1.15rem;
}

.clue:hover,
.clue.active {
    transform: translateY(-8px);
    border-color: rgba(168, 255, 62, 0.6);
}

.lab-output {
    max-width: 900px;
    margin: 18px auto 0;
    padding: 26px;
    text-align: center;
}

.back-to-top {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 45;
    width: 56px;
    height: 56px;
    border: 1px solid rgba(255, 156, 36, 0.55);
    border-radius: 8px;
    background: linear-gradient(135deg, var(--amber), var(--acid));
    color: #111207;
    font-size: 0.8rem;
    font-weight: 900;
    cursor: pointer;
    opacity: 0;
    transform: translateY(16px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.dino-modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
    place-items: center;
    padding: clamp(12px, 3vw, 30px);
    opacity: 1;
    visibility: visible;
    transition: opacity 0.22s ease, visibility 0.22s ease;
}

.dino-modal[aria-hidden="true"] {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 10%, rgba(255, 156, 36, 0.18), transparent 30rem),
        rgba(2, 3, 2, 0.86);
    backdrop-filter: blur(14px);
}

.modal-shell {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
    gap: 18px;
    width: min(1240px, 100%);
    height: min(92svh, 900px);
    padding: 14px;
    border: 1px solid rgba(243, 234, 216, 0.18);
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(18, 23, 15, 0.95), rgba(7, 8, 6, 0.94));
    box-shadow: 0 30px 120px rgba(0, 0, 0, 0.72);
    overflow: hidden;
}

.modal-close {
    position: absolute;
    top: 18px;
    right: 18px;
    z-index: 3;
    min-height: 40px;
    padding: 0 13px;
    border: 1px solid rgba(243, 234, 216, 0.2);
    border-radius: 8px;
    background: rgba(5, 7, 5, 0.72);
    color: var(--bone);
    font-size: 0.78rem;
    font-weight: 900;
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.modal-gallery {
    position: relative;
    display: grid;
    place-items: center;
    width: 100%;
    min-width: 0;
    min-height: 0;
    height: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #000;
    overflow: hidden;
}

.modal-gallery img {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 75%;
    max-height: 100%;
    object-fit: contain;
    animation: modal-image-in 0.28s ease both;
}

.modal-nav {
    position: absolute;
    top: 50%;
    z-index: 2;
    min-height: 48px;
    padding: 0 13px;
    border: 1px solid rgba(243, 234, 216, 0.2);
    border-radius: 8px;
    background: rgba(5, 7, 5, 0.72);
    color: var(--bone);
    font-size: 0.78rem;
    font-weight: 900;
    cursor: pointer;
    transform: translateY(-50%);
    backdrop-filter: blur(10px);
}

.modal-nav:hover,
.modal-close:hover,
.modal-thumb:hover,
.modal-thumb.active {
    border-color: rgba(168, 255, 62, 0.68);
}

.modal-nav.prev {
    left: 14px;
}

.modal-nav.next {
    right: 14px;
}

.modal-info {
    padding: clamp(20px, 4vw, 38px);
    align-self: center;
    min-width: 0;
    max-width: 100%;
    overflow: auto;
    overflow-x: hidden;
}

.modal-info h2 {
    margin-bottom: 14px;
    font-size: clamp(2.8rem, 5vw, 5.4rem);
    overflow-wrap: anywhere;
}

.modal-info p {
    color: var(--muted);
    line-height: 1.7;
}

.modal-diet-icon {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 18px 0 2px;
    padding: 10px 13px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.045);
    font-weight: 900;
}

.diet-symbol {
    display: inline-grid;
    place-items: center;
    min-width: 76px;
    min-height: 34px;
    padding: 0 10px;
    border-radius: 8px;
    color: #111207;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    animation: diet-pulse 1.9s ease-in-out infinite;
}

.modal-diet-icon.carnivore .diet-symbol {
    background: linear-gradient(135deg, #ff4f1f, #ff9c24);
}

.modal-diet-icon.herbivore .diet-symbol {
    background: linear-gradient(135deg, #a8ff3e, #4f9d4a);
}

.modal-diet-icon.omnivore .diet-symbol {
    background: linear-gradient(135deg, #ff9c24, #a8ff3e);
}

.modal-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin: 24px 0;
}

.modal-stats dd {
    overflow-wrap: anywhere;
}

.modal-stats div {
    padding: 13px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.045);
}

.modal-stats dt {
    color: var(--muted);
    font-size: 0.68rem;
    font-weight: 900;
    text-transform: uppercase;
}

.modal-stats dd {
    margin: 5px 0 0;
    font-weight: 900;
}

.modal-thumbs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.modal-thumb {
    padding: 0;
    overflow: hidden;
    aspect-ratio: 2 / 3;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
}

.modal-thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: filter 0.25s ease;
}

.modal-thumb:hover img,
.modal-thumb.active img {
    filter: saturate(1.12);
}

.site-footer {
    padding: 34px 18px;
    border-top: 1px solid var(--line);
    background: #050604;
    color: var(--muted);
    text-align: center;
}

.site-footer a {
    font-weight: 800;
    transition: color 0.2s ease;
}

.site-footer a:hover,
.site-footer a:focus-visible {
    color: var(--acid);
}

.section-observe {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.section-observe.revealed {
    opacity: 1;
    transform: translateY(0);
}

@keyframes slow-push {
    from {
        transform: scale(1.04) translate3d(0, 0, 0);
    }
    to {
        transform: scale(1.1) translate3d(-1.5%, 1%, 0);
    }
}

@keyframes scroll-dot {
    0%, 100% {
        opacity: 0;
        transform: translateY(0);
    }
    40% {
        opacity: 1;
    }
    80% {
        opacity: 0;
        transform: translateY(18px);
    }
}

@keyframes card-rise {
    from {
        opacity: 0;
        transform: translateY(22px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes modal-image-in {
    from {
        opacity: 0;
        transform: scale(0.985);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes track-pulse {
    0%, 100% {
        opacity: 0.18;
        transform: translateY(0) rotate(-24deg) scale(0.92);
    }
    45% {
        opacity: 0.7;
        transform: translateY(-6px) rotate(-24deg) scale(1);
    }
}

@keyframes float-dino {
    0%, 100% {
        transform: translateY(0) rotate(-4deg);
    }
    50% {
        transform: translateY(-12px) rotate(4deg);
    }
}

@keyframes diet-pulse {
    0%, 100% {
        transform: translateY(0) scale(1);
        box-shadow: 0 0 0 rgba(168, 255, 62, 0);
    }
    50% {
        transform: translateY(-2px) scale(1.04);
        box-shadow: 0 0 22px rgba(168, 255, 62, 0.22);
    }
}

@media (max-width: 980px) {
    .menu-toggle {
        display: block;
    }

    .menu-open .menu-toggle span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .menu-open .menu-toggle span:nth-child(2) {
        opacity: 0;
    }

    .menu-open .menu-toggle span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .nav-links {
        position: fixed;
        top: 72px;
        left: 18px;
        right: 18px;
        display: grid;
        padding: 18px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: rgba(6, 8, 6, 0.94);
        backdrop-filter: blur(18px);
        opacity: 0;
        transform: translateY(-12px);
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .menu-open .nav-links {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .species-layout,
    .intel-panel,
    .dino-index-layout {
        grid-template-columns: 1fr;
    }

    .intro-grid,
    .lab-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .dino-index-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .index-controls {
        align-items: stretch;
        flex-direction: column;
    }

    .scale-arena {
        position: relative;
        top: 0;
    }

    .creature-stage {
        max-width: 100%;
    }

    .dino-card:hover,
    .dino-card.active {
        transform: translateY(-4px);
    }

    .modal-shell {
        grid-template-columns: 1fr;
        grid-template-rows: minmax(360px, 58svh) auto;
        overflow-y: auto;
        overflow-x: hidden;
    }

    .modal-gallery {
        min-height: 360px;
        height: 58svh;
    }

    .modal-gallery img {
        max-width: 100%;
    }
}

@media (max-width: 680px) {
    .site-header {
        padding-left: 14px;
        padding-right: 14px;
    }

    .brand-mark {
        width: 42px;
        height: 42px;
    }

    .brand strong {
        font-size: 0.92rem;
    }

    .brand small {
        font-size: 0.68rem;
    }

    .hero {
        min-height: 86svh;
        padding-top: 108px;
        padding-bottom: 52px;
    }

    .tiny-dino-float {
        display: none;
    }

    .track-row {
        margin-top: -12px;
        margin-bottom: 28px;
        gap: 20px;
    }

    h1 {
        font-size: clamp(3.4rem, 20vw, 5.6rem);
    }

    h2 {
        font-size: clamp(2.35rem, 12vw, 3.8rem);
    }

    h3 {
        font-size: 1.12rem;
    }

    .hero-copy {
        font-size: 0.98rem;
        line-height: 1.55;
    }

    .hero-actions,
    .hero-stats {
        margin-top: 22px;
    }

    .hero-stats span {
        min-width: 0;
        flex: 1 1 120px;
        padding: 13px 14px;
    }

    .btn {
        width: 100%;
        min-height: 46px;
    }

    section:not(.hero) {
        padding-top: 68px;
        padding-bottom: 68px;
    }

    .section-heading {
        margin-bottom: 28px;
    }

    .section-copy,
    .intro-grid p,
    .dino-card p,
    .index-card p,
    .era-panel p,
    .fossil-card p,
    .lab-output p {
        font-size: 0.92rem;
        line-height: 1.58;
    }

    .intro-grid,
    .lab-grid,
    .dino-index-grid,
    .intel-panel dl {
        grid-template-columns: 1fr;
    }

    .scale-details dl {
        grid-template-columns: 1fr;
    }

    .creature-stage {
        max-width: 100%;
    }

    .index-controls,
    .filter-pills,
    .scale-toggle {
        gap: 7px;
    }

    .filter-pill,
    .scale-option {
        min-height: 38px;
        padding: 0 11px;
        font-size: 0.78rem;
    }

    .filter-pills,
    .scale-toggle {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .scale-toggle {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .index-card {
        max-width: 430px;
        margin: 0 auto;
    }

    .index-card-body,
    .scale-details,
    .lab-output,
    .intel-panel {
        padding: 18px;
    }

    .index-card p {
        font-size: 0.86rem;
    }

    .mini-stats {
        grid-template-columns: 1fr;
    }

    .scale-visual {
        min-height: 190px;
        padding: 22px 20px 28px;
    }

    .dino-scale {
        max-height: 150px;
    }

    .human-scale {
        height: 44px;
    }

    .page-dot {
        width: 38px;
        height: 38px;
    }

    .page-arrow {
        height: 38px;
        padding: 0 12px;
    }

    .dino-modal {
        padding: 8px;
    }

    .modal-shell {
        height: 94svh;
        padding: 9px;
        gap: 10px;
        grid-template-rows: minmax(300px, 56svh) auto;
        overflow-y: auto;
        overflow-x: hidden;
    }

    .modal-close {
        top: 12px;
        right: 12px;
        min-height: 36px;
        padding: 0 10px;
    }

    .modal-gallery {
        min-height: 300px;
        height: 56svh;
    }

    .modal-gallery img {
        max-width: 100%;
    }

    .modal-nav {
        min-height: 40px;
        padding: 0 10px;
    }

    .modal-nav.prev {
        left: 8px;
    }

    .modal-nav.next {
        right: 8px;
    }

    .modal-info {
        padding: 18px;
    }

    .modal-info h2 {
        font-size: clamp(2.35rem, 13vw, 3.5rem);
    }

    .modal-stats {
        grid-template-columns: 1fr;
        margin: 18px 0;
    }

    .fossils {
        background-attachment: scroll;
    }

    .back-to-top {
        width: 50px;
        height: 50px;
        right: 12px;
        bottom: 12px;
    }
}

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