/* TriviAI customer site -- design tokens and layout. */

:root {
    /* Brand palette inspired by the marketing mockup. */
    --tri-sky-1: #c8f1f5;
    --tri-sky-2: #b8e0f8;
    --tri-sky-3: #d7e9fe;
    --tri-mint: #d3f5e8;
    --tri-cream: #fffaf2;

    --tri-navy: #15203b;
    --tri-navy-soft: #1f2c4d;
    --tri-ink: #0e1730;
    --tri-play-cta-bg: #08234a;
    --tri-play-cta-bg-hover: #092957;

    --tri-accent: #ffb133;
    --tri-accent-strong: #ff8c1a;
    --tri-accent-soft: #ffe0a8;

    --tri-teal: #4f8ed1;
    --tri-purple: #6a78d8;
    --tri-pink: #e9b5d5;

    --tri-white: #ffffff;
    --tri-glass: rgba(255, 255, 255, 0.72);
    --tri-glass-strong: rgba(255, 255, 255, 0.92);
    --tri-stroke: rgba(21, 32, 59, 0.08);
    --tri-stroke-soft: rgba(255, 255, 255, 0.55);
    --tri-shadow-sm: 0 6px 18px rgba(21, 32, 59, 0.06);
    --tri-shadow-md: 0 18px 42px rgba(21, 32, 59, 0.12);
    --tri-shadow-lg: 0 32px 80px rgba(21, 32, 59, 0.18);

    --tri-radius-sm: 12px;
    --tri-radius-md: 18px;
    --tri-radius-lg: 28px;
    --tri-radius-pill: 999px;

    --tri-page-gap: 96px;
    --tri-section-gap: 56px;

    --tri-font-display: "Poppins", "Inter", "Segoe UI", system-ui, sans-serif;
    --tri-font-body: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;

    color-scheme: light;
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    font-family: var(--tri-font-body);
    color: var(--tri-navy);
    line-height: 1.55;
    background:
        /* atmospheric color washes — sampled directly from the mockup */
        radial-gradient(70% 60% at 8% 12%, rgba(220, 240, 205, 1) 0%, rgba(220, 240, 205, 0) 75%),
        radial-gradient(60% 60% at 96% 14%, rgba(154, 223, 239, 1) 0%, rgba(154, 223, 239, 0) 75%),
        radial-gradient(55% 55% at 28% 92%, rgba(173, 229, 204, 1) 0%, rgba(173, 229, 204, 0) 75%),
        radial-gradient(60% 60% at 92% 88%, rgba(123, 210, 240, 1) 0%, rgba(123, 210, 240, 0) 75%),
        linear-gradient(150deg, #dcf0cd 0%, #cbecde 30%, #c8e6e9 55%, #b9defa 100%);
    background-attachment: fixed;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Bokeh dot layer painted over the gradient. Larger, more visible orbs. */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(circle at 14% 18%, rgba(255, 255, 255, 0.85) 0, rgba(255, 255, 255, 0) 3px),
        radial-gradient(circle at 28% 9%,  rgba(255, 255, 255, 0.75) 0, rgba(255, 255, 255, 0) 2px),
        radial-gradient(circle at 47% 14%, rgba(255, 255, 255, 0.7) 0, rgba(255, 255, 255, 0) 2px),
        radial-gradient(circle at 64% 6%,  rgba(255, 255, 255, 0.8) 0, rgba(255, 255, 255, 0) 3px),
        radial-gradient(circle at 80% 22%, rgba(255, 255, 255, 0.65) 0, rgba(255, 255, 255, 0) 2px),
        radial-gradient(circle at 92% 8%,  rgba(255, 255, 255, 0.7) 0, rgba(255, 255, 255, 0) 2px),
        radial-gradient(circle at 6% 38%,  rgba(255, 255, 255, 0.6) 0, rgba(255, 255, 255, 0) 2px),
        radial-gradient(circle at 18% 48%, rgba(255, 255, 255, 0.65) 0, rgba(255, 255, 255, 0) 3px),
        radial-gradient(circle at 38% 56%, rgba(255, 255, 255, 0.55) 0, rgba(255, 255, 255, 0) 2px),
        radial-gradient(circle at 56% 50%, rgba(255, 255, 255, 0.6) 0, rgba(255, 255, 255, 0) 2px),
        radial-gradient(circle at 76% 60%, rgba(255, 255, 255, 0.65) 0, rgba(255, 255, 255, 0) 3px),
        radial-gradient(circle at 90% 46%, rgba(255, 255, 255, 0.55) 0, rgba(255, 255, 255, 0) 2px),
        radial-gradient(circle at 10% 78%, rgba(255, 255, 255, 0.55) 0, rgba(255, 255, 255, 0) 2px),
        radial-gradient(circle at 32% 86%, rgba(255, 255, 255, 0.6) 0, rgba(255, 255, 255, 0) 2px),
        radial-gradient(circle at 60% 80%, rgba(255, 255, 255, 0.5) 0, rgba(255, 255, 255, 0) 2px),
        radial-gradient(circle at 84% 92%, rgba(255, 255, 255, 0.55) 0, rgba(255, 255, 255, 0) 2px);
    background-size: 100% 100%;
}

body > * { position: relative; z-index: 1; }

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

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

button {
    font-family: inherit;
    border: 0;
    cursor: pointer;
    background: transparent;
    color: inherit;
}

h1, h2, h3, h4 {
    font-family: var(--tri-font-display);
    font-weight: 700;
    line-height: 1.15;
    margin: 0 0 0.4em;
    color: var(--tri-navy);
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 4vw + 1rem, 3.8rem); }
h2 { font-size: clamp(1.8rem, 2vw + 1rem, 2.6rem); }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }

p { margin: 0 0 0.9em; }

::selection {
    background: var(--tri-accent);
    color: var(--tri-navy);
}

.tri-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ------------------------------------------------------------------ Header */

.tri-header {
    position: relative;
    z-index: 30;
    display: flex;
    align-items: center;
    gap: 16px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 28px 40px 0;
}

.tri-brand {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.tri-brand__logo {
    height: 44px;
    width: auto;
    display: block;
}

.tri-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0 auto;
    background: transparent;
    padding: 0;
    height: 52px;
}

.tri-nav__item {
    padding: 10px 22px;
    border-radius: var(--tri-radius-pill);
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(21, 32, 59, 0.78);
    transition: background 160ms ease, color 160ms ease;
}

.tri-nav__item:hover { color: var(--tri-navy); }

.tri-nav__item.is-active {
    background: var(--tri-white);
    color: var(--tri-navy);
    box-shadow: 0 4px 12px rgba(21, 32, 59, 0.08);
    font-weight: 600;
}

.tri-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding: 0 31px 0 27px;
    border-radius: 30px;
    background: var(--tri-play-cta-bg);
    color: var(--tri-white);
    border: 1px solid rgba(255, 255, 255, 0.24);
    font-family: var(--tri-font-display);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
    line-height: 1;
    transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
    box-shadow: 0 12px 28px rgba(8, 35, 74, 0.24);
    flex-shrink: 0;
    min-width: 178px;
    height: 60px;
}

.tri-cta:hover {
    transform: translateY(-1px);
    background: var(--tri-play-cta-bg-hover);
    box-shadow: 0 18px 36px rgba(8, 35, 74, 0.3);
}

.tri-cta__icon {
    display: grid;
    place-items: center;
    width: 29px;
    height: 24px;
    color: currentColor;
}

.tri-cta__icon svg {
    width: 29px;
    height: 24px;
}

.tri-cta__glyph-cutout {
    fill: var(--tri-play-cta-bg);
    transition: fill 140ms ease;
}

.tri-cta:hover .tri-cta__glyph-cutout {
    fill: var(--tri-play-cta-bg-hover);
}

.tri-nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--tri-white);
    border: 1px solid var(--tri-stroke);
    color: var(--tri-navy);
}

.tri-nav-toggle svg { width: 20px; height: 20px; }

/* ----------------------------------------------------------------- Hero */

.tri-hero {
    padding: 36px 40px 24px;
    max-width: 1280px;
    margin: 0 auto;
}

.tri-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
}

.tri-hero__copy {
    position: relative;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.tri-hero__title {
    margin: 0 0 10px;
    line-height: 0;
}

.tri-hero__title img {
    display: block;
    width: 100%;
    max-width: 420px;
    height: auto;
    filter: drop-shadow(0 18px 26px rgba(21, 32, 59, 0.18));
}

.tri-hero__subtitle {
    font-size: 1.4rem;
    color: var(--tri-navy);
    font-weight: 700;
    margin: 0 0 12px;
    letter-spacing: -0.01em;
}

.tri-hero__lead {
    font-size: 1rem;
    color: rgba(21, 32, 59, 0.72);
    max-width: 420px;
    margin: 0 0 24px;
    line-height: 1.55;
}

.tri-hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    margin: 0 0 28px;
}

.tri-action {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 22px 14px 18px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 1rem;
    transition: transform 140ms ease, box-shadow 140ms ease;
    box-shadow: 0 4px 12px rgba(21, 32, 59, 0.08);
    min-width: 180px;
}

.tri-action:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(21, 32, 59, 0.14);
}

.tri-action--primary {
    background: var(--tri-navy);
    color: var(--tri-white);
}

.tri-action--secondary {
    background: var(--tri-white);
    color: var(--tri-navy);
    border: 1.5px solid rgba(21, 32, 59, 0.18);
}

.tri-action__icon {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.14);
    flex-shrink: 0;
}

.tri-action--secondary .tri-action__icon {
    background: rgba(21, 32, 59, 0.06);
}

.tri-action__icon svg { width: 22px; height: 22px; }

.tri-action__main {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.05;
    gap: 3px;
}

.tri-action__title {
    font-size: 1.05rem;
    font-weight: 700;
}

.tri-action__caption {
    font-weight: 500;
    font-size: 0.78rem;
    opacity: 0.7;
}

.tri-platform-strip {
    display: flex;
    align-items: center;
    gap: 14px;
    color: rgba(21, 32, 59, 0.7);
    font-size: 0.95rem;
    font-weight: 500;
    justify-content: center;
}

.tri-platform-strip__label {
    color: rgba(21, 32, 59, 0.7);
}

.tri-platform-strip__list {
    display: flex;
    gap: 12px;
}

.tri-platform-pill {
    display: block;
    width: 52px;
    height: auto;
    transition: transform 140ms ease;
    filter: drop-shadow(0 4px 10px rgba(21, 32, 59, 0.1));
}

.tri-platform-pill:hover { transform: translateY(-2px); }

/* Right-hand play card */

.tri-play-card {
    position: relative;
    border-radius: 26px;
    padding: 0;
    box-shadow: 0 22px 44px rgba(21, 32, 59, 0.14);
    border: 4px solid rgba(255, 255, 255, 0.95);
    aspect-ratio: 1.55 / 1;
    overflow: hidden;
    display: flex;
}

.tri-play-card__inner {
    position: relative;
    flex: 1;
    border-radius: 22px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(150deg, #d3f5e8 0%, #b8e0f8 50%, #c8f1f5 100%);
}

.tri-play-card iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.tri-play-card__placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 6% 8% 5%;
    color: var(--tri-navy);
}

.tri-play-card__hero {
    width: 60%;
    max-width: 280px;
    height: auto;
    display: block;
    filter: drop-shadow(0 8px 18px rgba(21, 32, 59, 0.18));
}

.tri-play-card__progress {
    width: 42%;
    max-width: 200px;
    height: 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid rgba(21, 32, 59, 0.1);
    overflow: hidden;
    padding: 2px;
}

.tri-play-card__progress span {
    display: block;
    width: 55%;
    height: 100%;
    background: linear-gradient(180deg, #ffd158 0%, #ff8c1a 100%);
    border-radius: 999px;
    box-shadow: 0 1px 4px rgba(255, 140, 26, 0.4);
}

.tri-play-card__loading-label {
    font-size: 0.78rem;
    color: rgba(21, 32, 59, 0.55);
    font-weight: 500;
    letter-spacing: 0.02em;
    margin-top: -8px;
}

.tri-play-card__launch {
    appearance: none;
    border: 0;
    border-radius: 999px;
    padding: 12px 18px;
    min-height: 44px;
    background: linear-gradient(180deg, #ffd158 0%, #ff8c1a 100%);
    color: var(--tri-navy);
    font: inherit;
    font-weight: 800;
    letter-spacing: -0.01em;
    cursor: pointer;
    box-shadow: 0 12px 26px rgba(255, 140, 26, 0.26), inset 0 1px 0 rgba(255, 255, 255, 0.45);
    transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
}

.tri-play-card__launch:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 30px rgba(255, 140, 26, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.tri-play-card__launch:disabled {
    cursor: wait;
    opacity: 0.72;
    transform: none;
}

.tri-play-card__brand {
    width: 30%;
    max-width: 130px;
    height: auto;
    display: block;
    margin-top: 2px;
}

.tri-play-card__meta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    font-size: 0.7rem;
    color: rgba(21, 32, 59, 0.45);
    letter-spacing: 0.02em;
    margin-top: -4px;
}

.tri-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@keyframes triShimmer {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(280%); }
}

/* ------------------------------------------------------------- Features */

.tri-features {
    max-width: 1280px;
    margin: 24px auto 0;
    padding: 0 40px;
}

.tri-features__grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr 1.05fr 0.9fr;
    gap: 4px;
    background: rgba(255, 255, 255, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 26px;
    padding: 18px 18px;
    box-shadow: 0 12px 32px rgba(21, 32, 59, 0.08);
}

.tri-feature {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 6px 8px;
}

.tri-feature__icon {
    flex: 0 0 auto;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: #f5d5e8;
    color: #c44a8a;
}

.tri-feature__icon svg { width: 26px; height: 26px; }

.tri-feature h4 {
    line-height: 1.2;
}

.tri-feature:nth-child(1) .tri-feature__icon { background: #f5d5e8; color: #c44a8a; }
.tri-feature:nth-child(2) .tri-feature__icon { background: #d6e3f5; color: #2c5db0; }
.tri-feature:nth-child(3) .tri-feature__icon { background: #d4ecd8; color: #2f8b5b; }
.tri-feature:nth-child(4) .tri-feature__icon { background: #ffe5b8; color: #d97520; }

.tri-feature__text {
    min-width: 0;
}

.tri-feature h4 {
    margin: 0 0 4px;
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--tri-navy);
}

.tri-feature p {
    margin: 0;
    color: rgba(21, 32, 59, 0.62);
    font-size: 0.84rem;
    line-height: 1.42;
}

/* ------------------------------------------------------------- Sections */

.tri-section {
    max-width: 1200px;
    margin: var(--tri-page-gap) auto 0;
    padding: 0 24px;
}

.tri-section__head {
    max-width: 720px;
    margin-bottom: 32px;
}

.tri-eyebrow {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--tri-accent-strong);
    margin-bottom: 12px;
}

.tri-section__lead {
    font-size: 1.05rem;
    color: rgba(21, 32, 59, 0.7);
}

/* About */

.tri-about {
    background: var(--tri-glass-strong);
    border: 1px solid var(--tri-stroke);
    border-radius: var(--tri-radius-lg);
    padding: 40px;
    box-shadow: var(--tri-shadow-md);
}

.tri-about__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
}

.tri-about__highlights {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.tri-about__highlight {
    background: var(--tri-cream);
    border: 1px solid var(--tri-stroke);
    border-radius: 14px;
    padding: 16px;
}

.tri-about__highlight strong {
    display: block;
    font-size: 1.6rem;
    font-variant-numeric: tabular-nums;
    color: var(--tri-navy);
    line-height: 1.1;
}

.tri-about__highlight span {
    font-size: 0.85rem;
    color: rgba(21, 32, 59, 0.6);
}

/* Gallery */

.tri-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.tri-gallery__tile {
    background: var(--tri-white);
    border-radius: var(--tri-radius-md);
    overflow: hidden;
    border: 1px solid var(--tri-stroke);
    box-shadow: var(--tri-shadow-sm);
    aspect-ratio: 4 / 5;
    position: relative;
    transition: transform 200ms ease;
}

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

.tri-gallery__tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tri-gallery__tile figcaption {
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 12px;
    background: rgba(21, 32, 59, 0.78);
    color: var(--tri-white);
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 0.8rem;
    backdrop-filter: blur(6px);
}

/* Roadmap */

.tri-roadmap {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.tri-roadmap__item {
    background: var(--tri-glass-strong);
    border: 1px solid var(--tri-stroke);
    border-radius: var(--tri-radius-md);
    padding: 20px;
    position: relative;
}

.tri-roadmap__phase {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--tri-accent-strong);
    margin-bottom: 8px;
}

.tri-roadmap__item h4 { margin-bottom: 6px; }

.tri-roadmap__item p {
    font-size: 0.92rem;
    color: rgba(21, 32, 59, 0.7);
    margin: 0;
}

.tri-roadmap__item--done .tri-roadmap__phase { color: #2f8b5b; }
.tri-roadmap__item--now {
    background: var(--tri-navy);
    color: var(--tri-white);
    border-color: var(--tri-navy);
}

.tri-roadmap__item--now h4,
.tri-roadmap__item--now .tri-roadmap__phase { color: var(--tri-accent); }

.tri-roadmap__item--now p { color: rgba(255, 255, 255, 0.8); }

/* FAQ */

.tri-faq {
    display: grid;
    gap: 12px;
}

.tri-faq__item {
    background: var(--tri-glass-strong);
    border: 1px solid var(--tri-stroke);
    border-radius: var(--tri-radius-md);
    padding: 0 24px;
    overflow: hidden;
    transition: box-shadow 160ms ease;
}

.tri-faq__item[open] {
    box-shadow: var(--tri-shadow-md);
}

.tri-faq__item summary {
    cursor: pointer;
    list-style: none;
    padding: 18px 0;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: var(--tri-navy);
}

.tri-faq__item summary::-webkit-details-marker { display: none; }

.tri-faq__item summary::after {
    content: "+";
    font-size: 1.4rem;
    font-weight: 400;
    color: rgba(21, 32, 59, 0.5);
    transition: transform 160ms ease;
}

.tri-faq__item[open] summary::after {
    content: "-";
    transform: rotate(180deg);
}

.tri-faq__item .tri-faq__body {
    padding-bottom: 18px;
    color: rgba(21, 32, 59, 0.72);
    font-size: 0.95rem;
}

/* Footer (rounded banner pill) */

.tri-footer-wrap {
    margin: 56px 0 0;
    padding: 0 24px;
}

.tri-footer {
    background: linear-gradient(180deg, #131e3a 0%, #0c1428 100%);
    color: rgba(255, 255, 255, 0.78);
    border-radius: 48px 48px 0 0;
    /* Left padding reserves space for the absolutely-positioned mascot.
       The mascot is 190px wide but the pointing-arm pose extends beyond
       its bounding box (~30px of finger overhang), so we reserve 230px
       to keep the first text column clear of the hand. */
    padding: 22px 28px 14px 230px;
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(190px, 1.1fr) minmax(130px, 0.9fr) minmax(240px, 1.6fr) auto;
    grid-template-rows: auto auto;
    align-items: center;
    column-gap: 18px;
    row-gap: 14px;
    position: relative;
    box-shadow: 0 -10px 40px rgba(13, 21, 44, 0.18);
}

.tri-footer::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(60% 60% at 90% 10%, rgba(106, 120, 216, 0.18), transparent 70%),
        radial-gradient(50% 50% at 10% 80%, rgba(255, 177, 51, 0.12), transparent 70%);
    pointer-events: none;
}

.tri-footer > * { position: relative; }

.tri-footer__mascot {
    position: absolute;
    left: 16px;
    bottom: 0;
    width: 190px;
    height: auto;
    filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.4));
    pointer-events: none;
}

.tri-footer__copy h3 {
    color: var(--tri-white);
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.45;
    font-weight: 700;
}

.tri-footer__brand-accent {
    color: var(--tri-accent);
}

.tri-footer__heading-block {
    display: flex;
    flex-direction: column;
    gap: 2px;
    max-width: 200px;
}

.tri-footer__heading {
    color: var(--tri-white);
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
}

.tri-footer__heading-block p {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.78rem;
    margin: 0;
    line-height: 1.4;
}

.tri-newsletter {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.tri-newsletter__form {
    display: flex;
    gap: 6px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--tri-radius-pill);
    padding: 4px;
}

.tri-newsletter__form input {
    flex: 1;
    background: transparent;
    border: 0;
    color: var(--tri-white);
    font: inherit;
    padding: 9px 16px;
    outline: none;
    min-width: 0;
}

.tri-newsletter__form input::placeholder {
    color: rgba(255, 255, 255, 0.45);
}

.tri-newsletter__form button {
    padding: 9px 24px;
    border-radius: var(--tri-radius-pill);
    background: linear-gradient(180deg, #ffd158 0%, #ffb133 100%);
    color: var(--tri-navy);
    font-weight: 700;
    transition: filter 160ms ease;
    box-shadow: 0 4px 10px rgba(255, 177, 51, 0.35);
}

.tri-newsletter__form button:hover { filter: brightness(1.05); }

.tri-newsletter__status {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    min-height: 0;
    padding-left: 14px;
}

.tri-newsletter__status:empty { display: none; }

.tri-footer__socials {
    display: flex;
    gap: 10px;
    align-items: center;
}

.tri-social {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--tri-white);
    transition: background 140ms ease, transform 140ms ease;
}

.tri-social:hover { background: rgba(255, 255, 255, 0.16); transform: translateY(-1px); }
/* Brand-correct simple-icons paths fill their viewBox edge-to-edge,
   so 18px reads as the right visual weight inside a 38px chrome circle
   (the prior 16px was tuned for the older line-art SVGs). */
.tri-social svg { width: 18px; height: 18px; }

.tri-legal {
    grid-column: 1 / -1;
    margin-top: 4px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.78rem;
}

.tri-legal__links a {
    color: rgba(255, 255, 255, 0.6);
    margin-left: 18px;
    font-weight: 500;
}

.tri-legal__links a:hover { color: var(--tri-white); }

/* ============================================================ Categories */

.tri-page-hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 64px 24px 28px;
}

.tri-page-hero h1 {
    font-family: var(--tri-font-display);
    font-size: clamp(2.6rem, 4vw + 1rem, 3.6rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.tri-page-hero p {
    color: rgba(21, 32, 59, 0.7);
    max-width: 580px;
    font-size: 1.05rem;
}

.tri-search {
    max-width: 1200px;
    margin: 8px auto 24px;
    padding: 0 24px;
}

.tri-search__input {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--tri-glass-strong);
    border: 1px solid var(--tri-stroke);
    border-radius: var(--tri-radius-pill);
    padding: 12px 18px;
    box-shadow: var(--tri-shadow-sm);
}

.tri-search__input svg { width: 20px; height: 20px; color: rgba(21, 32, 59, 0.5); }

.tri-search__input input {
    flex: 1;
    border: 0;
    outline: none;
    background: transparent;
    font: inherit;
    color: var(--tri-navy);
    padding: 4px 0;
}

.tri-search__meta {
    margin-top: 10px;
    font-size: 0.88rem;
    color: rgba(21, 32, 59, 0.6);
}

.tri-cat-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px var(--tri-page-gap);
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 18px;
}

.tri-cat-card {
    position: relative;
    background: var(--tri-glass-strong);
    border: 1px solid var(--tri-stroke);
    border-radius: var(--tri-radius-md);
    padding: 22px 22px 20px;
    box-shadow: var(--tri-shadow-sm);
    transition: transform 180ms ease, box-shadow 180ms ease;
    display: flex;
    flex-direction: column;
    gap: 12px;
    color: var(--tri-navy);
}

.tri-cat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--tri-shadow-md);
}

.tri-cat-card__icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, #cfe6f8, #d6f0d8);
    display: grid;
    place-items: center;
    color: var(--tri-navy);
    font-size: 1.4rem;
    overflow: hidden;
}

.tri-cat-card__icon img { width: 32px; height: 32px; }

.tri-cat-card h3 {
    margin: 0;
    font-size: 1.15rem;
}

.tri-cat-card p {
    margin: 0;
    color: rgba(21, 32, 59, 0.62);
    font-size: 0.9rem;
    line-height: 1.45;
    flex: 1;
}

.tri-cat-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 6px;
}

.tri-cat-card__count {
    font-size: 0.85rem;
    color: rgba(21, 32, 59, 0.62);
    font-weight: 600;
}

.tri-cat-card__play {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--tri-radius-pill);
    background: var(--tri-navy);
    color: var(--tri-white);
    font-size: 0.85rem;
    font-weight: 600;
    transition: background 140ms ease;
}

.tri-cat-card__play:hover { background: var(--tri-navy-soft); }

/* Pub-quiz teaser */

.tri-pubquiz {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, var(--tri-navy) 0%, var(--tri-navy-soft) 100%);
    color: var(--tri-white);
    border-radius: var(--tri-radius-md);
    padding: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
    position: relative;
}

.tri-pubquiz::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(60% 80% at 100% 0%, rgba(255, 177, 51, 0.18), transparent 60%);
    pointer-events: none;
}

.tri-pubquiz__copy {
    position: relative;
    z-index: 1;
}

.tri-pubquiz h3 {
    color: var(--tri-white);
    margin: 0 0 8px;
}

.tri-pubquiz p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
    max-width: 520px;
}

.tri-pubquiz__badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: var(--tri-radius-pill);
    background: var(--tri-accent);
    color: var(--tri-navy);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 10px;
}

.tri-pubquiz__cta {
    position: relative;
    z-index: 1;
    background: var(--tri-accent);
    color: var(--tri-navy);
    padding: 12px 22px;
    border-radius: var(--tri-radius-pill);
    font-weight: 700;
}

.tri-pubquiz__cta:hover { background: var(--tri-accent-strong); }

/* Empty / loading states */

.tri-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 64px 24px;
    color: rgba(21, 32, 59, 0.6);
}

.tri-state svg { width: 56px; height: 56px; margin: 0 auto 16px; opacity: 0.4; }

/* Skeleton */

.tri-cat-card.is-skeleton {
    pointer-events: none;
    background: rgba(255, 255, 255, 0.5);
}

.tri-cat-card.is-skeleton > * {
    background: linear-gradient(90deg, rgba(21, 32, 59, 0.08), rgba(21, 32, 59, 0.04), rgba(21, 32, 59, 0.08));
    background-size: 200% 100%;
    animation: triSkeleton 1.4s linear infinite;
    color: transparent;
    border-radius: 8px;
}

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

/* ----------------------------------------------------------- Responsive */

@media (max-width: 960px) {
    .tri-header { padding: 24px 24px 0; }
    .tri-hero { padding: 36px 24px 24px; }
    .tri-features { padding: 0 24px; }
    .tri-footer-wrap { padding: 0 24px 32px; }

    .tri-hero__grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 36px;
    }

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

    .tri-about__grid {
        grid-template-columns: minmax(0, 1fr);
    }

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

    .tri-footer {
        grid-template-columns: 1fr;
        text-align: center;
        border-radius: 36px;
        gap: 18px;
        padding: 28px 28px;
    }

    .tri-footer__mascot { margin: 0 auto; }
    .tri-footer__heading-block { max-width: none; align-items: center; }
    .tri-footer__socials { justify-content: center; }
    .tri-legal { padding: 0 12px; flex-direction: column; gap: 8px; align-items: center; text-align: center; }
}

@media (max-width: 720px) {
    .tri-nav { display: none; }

    .tri-nav.is-open {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        margin-top: 12px;
        padding: 12px;
        flex-direction: column;
        align-items: stretch;
        background: var(--tri-glass-strong);
        border: 1px solid var(--tri-stroke);
        border-radius: var(--tri-radius-md);
        box-shadow: var(--tri-shadow-md);
    }

    .tri-nav.is-open .tri-nav__item {
        text-align: left;
        padding: 12px 14px;
    }

    .tri-nav-toggle { display: inline-grid; place-items: center; }

    .tri-cta--header { display: none; }

    .tri-hero__title {
        font-size: clamp(3.4rem, 13vw, 5rem);
    }

    .tri-hero__mascot {
        width: 110px;
        height: 110px;
        margin: 0 0 4px -4px;
    }

    .tri-features__grid {
        grid-template-columns: minmax(0, 1fr);
    }

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

    .tri-roadmap {
        grid-template-columns: minmax(0, 1fr);
    }

    .tri-footer__shell {
        grid-template-columns: minmax(0, 1fr);
    }

    .tri-footer__legal {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .tri-page-hero { padding-top: 48px; }
}

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