/* raleway - subset via parent fonts */
@font-face {
    font-display: swap;
    font-family: 'Raleway';
    font-style: normal;
    font-weight: 300;
    src: url('../fonts/raleway-v34-latin-300.woff2') format('woff2');
}

@font-face {
    font-display: swap;
    font-family: 'Raleway';
    font-style: normal;
    font-weight: 400;
    src: url('../fonts/raleway-v34-latin-regular.woff2') format('woff2');
}

@font-face {
    font-display: swap;
    font-family: 'Raleway';
    font-style: normal;
    font-weight: 600;
    src: url('../fonts/raleway-v34-latin-600.woff2') format('woff2');
}

@font-face {
    font-display: swap;
    font-family: 'Raleway';
    font-style: normal;
    font-weight: 800;
    src: url('../fonts/raleway-v34-latin-800.woff2') format('woff2');
}

:root {
    --bg-deep: #0d0d12;
    --bg-mid: #16161d;
    --text: #f9f6ee;
    --text-muted: rgb(249 246 238 / 0.65);
    --accent-hot: #bd002c;
    --accent-cool: #295173;
    --accent-glow: #00e5c0;
    --panel-bg: rgb(22 22 29 / 0.55);
    --panel-border: rgb(249 246 238 / 0.12);
    --glow-hot: rgb(189 0 44 / 0.35);
    --glow-cool: rgb(0 229 192 / 0.25);
    --font-sans: 'Raleway', system-ui, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;
    --radius: 1rem;
    --radius-lg: 1.5rem;
    --header-h: 4rem;
    --hue-shift: 0deg;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    color: var(--text);
    background: var(--bg-deep);
    background-image:
        radial-gradient(ellipse 80% 60% at 20% 10%, rgb(41 81 115 / 0.4), transparent),
        radial-gradient(ellipse 60% 50% at 80% 80%, rgb(189 0 44 / 0.15), transparent),
        linear-gradient(160deg, var(--bg-deep), var(--bg-mid));
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

body.theme-shifted {
    filter: hue-rotate(var(--hue-shift));
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    z-index: 1000;
    padding: 0.5rem 1rem;
    background: var(--accent-hot);
    color: var(--text);
    text-decoration: none;
    border-radius: 0.25rem;
}

.skip-link:focus {
    top: 1rem;
}

.neural-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.6;
}

body.no-canvas .neural-canvas {
    display: none;
}

.confetti-canvas {
    position: fixed;
    inset: 0;
    z-index: 200;
    pointer-events: none;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    padding: 0 clamp(1rem, 4vw, 2.5rem);
    background: rgb(13 13 18 / 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--panel-border);
}

.site-header__logo {
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text);
    text-decoration: none;
    text-shadow: 0 0 20px var(--glow-cool);
}

.site-header__nav {
    display: flex;
    gap: clamp(0.75rem, 2vw, 1.5rem);
}

.site-header__nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: color 0.2s;
}

.site-header__nav a:hover,
.site-header__nav a:focus-visible {
    color: var(--accent-glow);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.75rem 1.75rem;
    border-radius: 999px;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: box-shadow 0.3s, transform 0.2s, background 0.2s;
}

.btn--primary {
    background: linear-gradient(135deg, var(--accent-hot), #8a0020);
    color: var(--text);
    box-shadow: 0 0 24px var(--glow-hot);
}

.btn--primary:hover,
.btn--primary:focus-visible {
    box-shadow: 0 0 40px var(--glow-hot), 0 0 60px var(--glow-cool);
    transform: translateY(-2px);
}

.btn--ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--panel-border);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
    border-color: var(--accent-glow);
    color: var(--accent-glow);
}

:focus-visible {
    outline: 2px solid var(--accent-glow);
    outline-offset: 3px;
}

.hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: calc(var(--header-h) + 2rem) clamp(1rem, 5vw, 3rem) 4rem;
    text-align: center;
}

.hero__content {
    max-width: 52rem;
    width: 100%;
}

.hero__eyebrow {
    font-size: 0.8rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent-glow);
    margin-bottom: 1rem;
}

.hero__title {
    margin-bottom: 1.25rem;
}

.hero__title-line {
    display: block;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.05;
    background: linear-gradient(135deg, var(--text) 30%, var(--accent-glow));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero__title-sub {
    display: block;
    font-size: clamp(1rem, 3vw, 1.5rem);
    font-weight: 400;
    letter-spacing: 0.04em;
    text-transform: none;
    color: var(--text-muted);
    margin-top: 0.5rem;
    -webkit-text-fill-color: var(--text-muted);
}

.hero__tagline {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--text-muted);
    max-width: 38rem;
    margin: 0 auto 2rem;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.agent-terminal {
    text-align: left;
    background: rgb(0 0 0 / 0.5);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    overflow: hidden;
    backdrop-filter: blur(8px);
    box-shadow: 0 8px 32px rgb(0 0 0 / 0.3);
    margin: 0 auto;
    max-width: 36rem;
}

.agent-terminal__bar {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    background: rgb(0 0 0 / 0.3);
    border-bottom: 1px solid var(--panel-border);
}

.agent-terminal__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.agent-terminal__dot--red { background: #ff5f57; }
.agent-terminal__dot--yellow { background: #febc2e; }
.agent-terminal__dot--green { background: #28c840; }

.agent-terminal__label {
    margin-left: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.agent-terminal__body {
    padding: 1rem 1.25rem;
    min-height: 5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.agent-terminal__line {
    line-height: 1.7;
}

.agent-terminal__line--prompt {
    color: var(--accent-glow);
}

.agent-terminal__line--response {
    color: var(--text-muted);
    margin-top: 0.25rem;
    min-height: 1.5em;
}

.agent-terminal__prefix {
    color: var(--accent-hot);
    margin-right: 0.5rem;
}

.agent-terminal__cursor {
    display: inline-block;
    width: 0.55em;
    height: 1em;
    background: var(--accent-glow);
    vertical-align: text-bottom;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    animation: bob 2s ease-in-out infinite;
}

.scroll-indicator__chevron {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--accent-glow);
    border-bottom: 2px solid var(--accent-glow);
    transform: rotate(45deg);
    opacity: 0.7;
}

@keyframes bob {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

.section {
    position: relative;
    z-index: 1;
    padding: clamp(4rem, 10vw, 7rem) clamp(1rem, 5vw, 3rem);
}

.section__inner {
    max-width: 72rem;
    margin: 0 auto;
}

.section__title {
    font-size: clamp(1.75rem, 5vw, 2.75rem);
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 1rem;
}

.section__lead {
    text-align: center;
    color: var(--text-muted);
    max-width: 40rem;
    margin: 0 auto 3rem;
    font-size: clamp(1rem, 2vw, 1.15rem);
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.workshop-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .workshop-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .workshop-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.workshop-card {
    position: relative;
    border-radius: var(--radius-lg);
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    backdrop-filter: blur(16px);
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s;
    transform-style: preserve-3d;
    perspective: 800px;
}

.workshop-card:hover,
.workshop-card:focus-within {
    border-color: rgb(0 229 192 / 0.35);
    box-shadow: 0 0 40px var(--glow-cool), 0 16px 48px rgb(0 0 0 / 0.3);
}

.workshop-card__glow {
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: linear-gradient(135deg, var(--accent-hot), var(--accent-glow), var(--accent-cool));
    opacity: 0;
    transition: opacity 0.4s;
    z-index: 0;
    pointer-events: none;
}

.workshop-card:hover .workshop-card__glow {
    opacity: 0.12;
}

.workshop-card__demo {
    position: relative;
    height: 8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgb(0 0 0 / 0.25);
    border-bottom: 1px solid var(--panel-border);
    overflow: hidden;
    z-index: 1;
}

.workshop-card__body {
    position: relative;
    z-index: 1;
    padding: 1.5rem;
}

.workshop-card__badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: var(--accent-glow);
    margin-bottom: 0.5rem;
}

.workshop-card__title {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.workshop-card__tagline {
    color: var(--accent-glow);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.workshop-card__meta {
    list-style: none;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.workshop-card__meta li {
    margin-bottom: 0.25rem;
}

.workshop-card__desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.workshop-card__toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.75rem 0;
    background: none;
    border: none;
    border-top: 1px solid var(--panel-border);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: color 0.2s;
}

.workshop-card__toggle:hover,
.workshop-card__toggle:focus-visible {
    color: var(--accent-glow);
}

.workshop-card__toggle-icon::after {
    content: '+';
    font-size: 1.2rem;
    font-weight: 300;
}

.workshop-card__toggle[aria-expanded="true"] .workshop-card__toggle-icon::after {
    content: '−';
}

.workshop-card__details {
    padding-bottom: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.workshop-card__details ul {
    list-style: none;
    padding-left: 0;
}

.workshop-card__details li {
    padding: 0.35rem 0;
    padding-left: 1.25rem;
    position: relative;
}

.workshop-card__details li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-glow);
}

.grid-morph {
    display: grid;
    grid-template-columns: repeat(3, 2.5rem);
    grid-template-rows: repeat(2, 2.5rem);
    gap: 0.35rem;
    animation: gridMorph 6s ease-in-out infinite;
}

.grid-morph__cell {
    border-radius: 0.35rem;
    background: linear-gradient(135deg, var(--accent-cool), var(--accent-glow));
    opacity: 0.8;
}

@keyframes gridMorph {
    0%, 100% {
        grid-template-columns: repeat(3, 2.5rem);
        grid-template-rows: repeat(2, 2.5rem);
    }
    33% {
        grid-template-columns: 2.5rem 5rem 2.5rem;
        grid-template-rows: repeat(2, 2.5rem);
    }
    66% {
        grid-template-columns: repeat(2, 3.75rem);
        grid-template-rows: repeat(3, 1.75rem);
    }
}

.mini-terminal {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-align: left;
    padding: 0.5rem 1rem;
    width: 100%;
    max-width: 16rem;
}

.mini-terminal p {
    opacity: 0;
    animation: termLine 8s ease-in-out infinite;
}

.mini-terminal p:nth-child(1) { animation-delay: 0s; }
.mini-terminal p:nth-child(2) { animation-delay: 1s; }
.mini-terminal p:nth-child(3) { animation-delay: 3s; }
.mini-terminal p:nth-child(4) { animation-delay: 5s; }

@keyframes termLine {
    0%, 5% { opacity: 0; }
    10%, 80% { opacity: 1; }
    90%, 100% { opacity: 0; }
}

.tok-keyword { color: #c678dd; }
.tok-fn { color: #61afef; }
.tok-string { color: #98c379; }
.tok-type { color: #e5c07b; }

.circuit-svg {
    width: 10rem;
    height: auto;
}

.circuit-trace {
    stroke: var(--accent-glow);
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: traceFlow 3s linear infinite;
}

.circuit-trace--delay {
    animation-delay: 1.5s;
}

@keyframes traceFlow {
    to { stroke-dashoffset: 0; }
}

.circuit-chip {
    fill: var(--accent-cool);
    stroke: var(--accent-glow);
    stroke-width: 1;
}

.circuit-led {
    fill: var(--accent-hot);
    animation: ledBlink 1.5s ease-in-out infinite;
}

.circuit-led--delay {
    animation-delay: 0.75s;
}

@keyframes ledBlink {
    0%, 100% { opacity: 0.3; fill: var(--accent-hot); }
    50% { opacity: 1; fill: var(--accent-glow); }
}

.circuit-node {
    fill: var(--text);
}

.method-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 480px) {
    .method-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .method-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.method-tile {
    padding: 2rem 1.5rem;
    border-radius: var(--radius);
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    backdrop-filter: blur(12px);
    text-align: center;
    transition: transform 0.3s, border-color 0.3s;
}

.method-tile:hover {
    transform: translateY(-4px);
    border-color: rgb(0 229 192 / 0.3);
}

.method-tile__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-hot), var(--accent-cool));
    font-weight: 800;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.method-tile__title {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.method-tile__desc {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.playground {
    max-width: 40rem;
    margin: 0 auto;
    padding: 2rem;
    border-radius: var(--radius-lg);
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    backdrop-filter: blur(16px);
}

.playground__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.chip {
    padding: 0.5rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--panel-border);
    background: rgb(0 0 0 / 0.3);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, transform 0.2s;
    min-height: 44px;
}

.chip:hover,
.chip:focus-visible,
.chip.is-active {
    border-color: var(--accent-glow);
    background: rgb(0 229 192 / 0.1);
    transform: scale(1.03);
}

.playground__chat {
    min-height: 8rem;
    margin-bottom: 1.5rem;
}

.chat-bubble {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    animation: bubbleIn 0.4s ease;
}

@keyframes bubbleIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-bubble--user {
    background: rgb(41 81 115 / 0.4);
    border: 1px solid var(--accent-cool);
    margin-left: 2rem;
}

.chat-bubble--agent {
    background: rgb(0 0 0 / 0.35);
    border: 1px solid var(--panel-border);
    margin-right: 2rem;
}

.chat-bubble__label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-glow);
    margin-bottom: 0.35rem;
}

.playground__actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.playground__hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
}

.easter-egg-msg {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-glow);
    text-shadow: 0 0 20px var(--glow-cool);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

.contact-card {
    max-width: 32rem;
    margin: 0 auto;
    padding: clamp(2rem, 5vw, 3rem);
    text-align: center;
    border-radius: var(--radius-lg);
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    backdrop-filter: blur(16px);
    box-shadow: 0 0 60px var(--glow-hot), 0 0 100px var(--glow-cool);
}

.contact-card__title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.contact-card__desc {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.contact-card__cta {
    margin-bottom: 1rem;
}

.contact-card__note {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

.site-footer {
    position: relative;
    z-index: 1;
    padding: 2rem clamp(1rem, 5vw, 3rem);
    text-align: center;
    border-top: 1px solid var(--panel-border);
    background: rgb(13 13 18 / 0.8);
}

.site-footer p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.site-footer nav {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.site-footer a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

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

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .agent-terminal__cursor,
    .scroll-indicator,
    .grid-morph,
    .mini-terminal p,
    .circuit-trace,
    .circuit-led,
    .easter-egg-msg {
        animation: none;
    }

    .mini-terminal p {
        opacity: 1;
    }

    .circuit-trace {
        stroke-dashoffset: 0;
    }

    .circuit-led {
        opacity: 1;
        fill: var(--accent-glow);
    }

    .btn--primary:hover,
    .method-tile:hover,
    .chip:hover {
        transform: none;
    }
}

@media (max-width: 480px) {
    .site-header__nav a {
        font-size: 0.7rem;
    }

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

    .chat-bubble--user { margin-left: 0; }
    .chat-bubble--agent { margin-right: 0; }
}