/* =======================================================================
   gamelicens.ing - v2
   Aesthetic: minimalist, energetic, process-driven
   Layout: immersive-scroll with left-margin progress timeline
   Palette (from DESIGN.md):
     Process Blue   #4A7BD9    Action Amber     #D4944A
     Canvas White   #FAFAF5    System Gray      #6B6B78
     Active Green   #4CAF50    Deep Navy        #1A2434
     Highlight Lilac #8B7BC8
   Fonts: JetBrains Mono (display), Inter (body), Overpass Mono (labels)
   ======================================================================= */

:root {
    --c-process-blue: #4A7BD9;
    --c-action-amber: #D4944A;
    --c-canvas: #FAFAF5;
    --c-system-gray: #6B6B78;
    --c-active-green: #4CAF50;
    --c-deep-navy: #1A2434;
    --c-highlight-lilac: #8B7BC8;

    --tint-blue: rgba(74, 123, 217, 0.035);
    --tint-amber: rgba(212, 148, 74, 0.035);

    --font-display: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-label: 'Overpass Mono', 'JetBrains Mono', ui-monospace, monospace;

    --timeline-x: 40px;
    --timeline-width: 1px;
    --content-max: 780px;
    --content-gutter: clamp(24px, 6vw, 120px);

    --progress: 0;
    --tint-mix: 0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--c-canvas);
    color: var(--c-deep-navy);
    font-family: var(--font-body);
    font-size: clamp(15px, 1.5vw, 18px);
    line-height: 1.75;
    font-weight: 400;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Background complementary tint layer */
#tint-layer {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(
            ellipse 80% 60% at 20% calc(50% - var(--tint-mix, 0) * 30%),
            var(--tint-blue),
            transparent 60%
        ),
        radial-gradient(
            ellipse 80% 60% at 80% calc(50% + var(--tint-mix, 0) * 30%),
            var(--tint-amber),
            transparent 60%
        );
    transition: opacity 400ms linear;
    opacity: 0;
}

/* =======================================================================
   Progress Timeline (fixed on left margin)
   ======================================================================= */
#timeline {
    position: fixed;
    top: 0;
    left: var(--timeline-x);
    height: 100vh;
    width: 240px;
    z-index: 20;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

#timeline-track {
    position: absolute;
    top: 12vh;
    bottom: 12vh;
    left: 0;
    width: var(--timeline-width);
    background-color: rgba(26, 36, 52, 0.18);
    overflow: hidden;
}

#timeline-fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: calc(var(--progress, 0) * 100%);
    background-color: var(--c-active-green);
    transition: height 120ms linear;
}

#timeline-markers {
    list-style: none;
    position: absolute;
    top: 12vh;
    bottom: 12vh;
    left: 0;
    width: 100%;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    pointer-events: auto;
}

.timeline-marker {
    display: flex;
    align-items: center;
    gap: 14px;
    transform: translateX(-11px);
    cursor: pointer;
    transition: transform 220ms ease;
}

.timeline-marker:hover {
    transform: translateX(-9px);
}

.marker-circle {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1.2px solid rgba(26, 36, 52, 0.35);
    background-color: var(--c-canvas);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-system-gray);
    transition:
        transform 260ms cubic-bezier(0.22, 1, 0.36, 1),
        border-color 260ms ease,
        background-color 260ms ease,
        color 260ms ease;
    flex-shrink: 0;
}

.marker-icon {
    width: 12px;
    height: 12px;
}

.timeline-marker.is-reached .marker-circle {
    border-color: var(--c-active-green);
    background-color: var(--c-active-green);
    color: var(--c-canvas);
    transform: scale(1.08);
}

.timeline-marker.is-active .marker-circle {
    border-color: var(--c-process-blue);
    background-color: var(--c-canvas);
    color: var(--c-process-blue);
    transform: scale(1.2);
    box-shadow: 0 0 0 4px rgba(74, 123, 217, 0.15);
}

.timeline-marker.is-active.is-reached .marker-circle {
    border-color: var(--c-active-green);
    background-color: var(--c-active-green);
    color: var(--c-canvas);
    box-shadow: 0 0 0 4px rgba(76, 175, 80, 0.18);
}

.marker-label {
    font-family: var(--font-label);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--c-system-gray);
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity 260ms ease, transform 260ms ease, color 260ms ease;
    white-space: nowrap;
    user-select: none;
}

.timeline-marker:hover .marker-label,
.timeline-marker.is-active .marker-label {
    opacity: 1;
    transform: translateX(0);
    color: var(--c-deep-navy);
}

.timeline-marker.is-reached .marker-label {
    color: var(--c-active-green);
}

/* Fixed progress meta (top-right) */
#progress-meta {
    position: fixed;
    top: 28px;
    right: 32px;
    z-index: 20;
    font-family: var(--font-label);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-system-gray);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    user-select: none;
}

#progress-label {
    color: var(--c-process-blue);
    position: relative;
    padding-left: 14px;
}

#progress-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--c-active-green);
    transform: translateY(-50%);
    box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.4);
    animation: pulse-dot 2.2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.4); }
    50% { box-shadow: 0 0 0 6px rgba(76, 175, 80, 0); }
}

#progress-percent {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 13px;
    color: var(--c-deep-navy);
    letter-spacing: 0.04em;
    font-variant-numeric: tabular-nums;
}

/* =======================================================================
   Main content - immersive scroll
   ======================================================================= */
#content {
    position: relative;
    z-index: 1;
    padding-left: calc(var(--timeline-x) + 220px);
    padding-right: var(--content-gutter);
    max-width: 1400px;
    margin: 0 auto;
}

/* =======================================================================
   Hero / opening viewport
   ======================================================================= */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 100px 0 60px;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(26, 36, 52, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(26, 36, 52, 0.04) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 45%, black, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 45%, black, transparent 75%);
    pointer-events: none;
    opacity: 0.8;
}

#hero-inner {
    position: relative;
    z-index: 2;
    max-width: var(--content-max);
}

#hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-label);
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c-system-gray);
    margin-bottom: 36px;
    opacity: 0;
    transform: translateY(6px);
    animation: fade-in-up 700ms 200ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.eyebrow-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--c-highlight-lilac);
    display: inline-block;
}

#title-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(34px, 7.2vw, 92px);
    line-height: 1;
    letter-spacing: -0.02em;
    color: var(--c-deep-navy);
    margin-bottom: 28px;
    white-space: nowrap;
    display: inline-flex;
    align-items: baseline;
    flex-wrap: wrap;
}

#title-main {
    opacity: 0;
}

#title-main.typed {
    opacity: 1;
}

#title-dot {
    color: var(--c-process-blue);
    opacity: 0;
    transform: scale(0.4);
    display: inline-block;
    transition: opacity 200ms ease, transform 320ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

#title-dot.show {
    opacity: 1;
    transform: scale(1);
}

#title-ing {
    color: var(--c-action-amber);
    position: relative;
    opacity: 0;
    display: inline-block;
    transition: opacity 280ms ease;
}

#title-ing.show {
    opacity: 1;
    animation: ing-glow 2.8s ease-in-out infinite;
}

@keyframes ing-glow {
    0%, 100% {
        text-shadow:
            0 0 0 rgba(212, 148, 74, 0);
        filter: brightness(1);
    }
    50% {
        text-shadow:
            0 0 18px rgba(212, 148, 74, 0.35),
            0 0 36px rgba(212, 148, 74, 0.12);
        filter: brightness(1.08);
    }
}

#caret {
    display: inline-block;
    width: 0.1em;
    height: 0.9em;
    background-color: var(--c-deep-navy);
    margin-left: 0.08em;
    transform: translateY(0.05em);
    animation: blink-caret 1s steps(2, end) infinite;
}

#caret.hidden {
    display: none;
}

@keyframes blink-caret {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

#hero-sub {
    font-size: clamp(16px, 1.6vw, 20px);
    line-height: 1.65;
    color: var(--c-system-gray);
    max-width: 620px;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(8px);
    animation: fade-in-up 700ms 1200ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

#hero-sub em {
    font-style: normal;
    color: var(--c-deep-navy);
    font-weight: 600;
    position: relative;
    padding: 0 3px;
}

#hero-sub em::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 6px;
    background-color: var(--c-action-amber);
    opacity: 0.22;
    z-index: -1;
}

#hero-scroll-hint {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-family: var(--font-label);
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--c-system-gray);
    opacity: 0;
    animation: fade-in-up 800ms 1800ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.scroll-arrow {
    width: 10px;
    height: 20px;
    animation: scroll-bob 2s ease-in-out infinite;
}

@keyframes scroll-bob {
    0%, 100% { transform: translateY(0); opacity: 0.6; }
    50% { transform: translateY(3px); opacity: 1; }
}

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

/* =======================================================================
   Breathing strips - generative art between stages
   ======================================================================= */
.breathing-strip {
    height: 96px;
    margin: 40px calc(-1 * var(--content-gutter)) 40px -260px;
    position: relative;
    overflow: hidden;
    opacity: 0.5;
}

.breathing-strip[data-pattern="stripes"] {
    background-image: repeating-linear-gradient(
        90deg,
        transparent 0 28px,
        rgba(74, 123, 217, 0.12) 28px 29px,
        transparent 29px 58px,
        rgba(212, 148, 74, 0.12) 58px 59px
    );
    animation: drift-stripes 18s linear infinite;
}

.breathing-strip[data-pattern="mesh"] {
    background-image:
        repeating-linear-gradient(
            45deg,
            transparent 0 18px,
            rgba(139, 123, 200, 0.1) 18px 19px
        ),
        repeating-linear-gradient(
            -45deg,
            transparent 0 18px,
            rgba(76, 175, 80, 0.08) 18px 19px
        );
    animation: drift-mesh 22s linear infinite;
}

.breathing-strip[data-pattern="diagonals"] {
    background-image: repeating-linear-gradient(
        118deg,
        transparent 0 20px,
        rgba(26, 36, 52, 0.08) 20px 21px,
        transparent 21px 42px,
        rgba(74, 123, 217, 0.1) 42px 43px
    );
    animation: drift-diagonals 20s linear infinite;
}

@keyframes drift-stripes {
    from { background-position: 0 0; }
    to { background-position: 232px 0; }
}

@keyframes drift-mesh {
    from { background-position: 0 0, 0 0; }
    to { background-position: 144px 144px, -144px 144px; }
}

@keyframes drift-diagonals {
    from { background-position: 0 0; }
    to { background-position: 168px 0; }
}

/* =======================================================================
   Stages
   ======================================================================= */
.stage {
    padding: 80px 0 60px;
    position: relative;
    max-width: 960px;
    scroll-margin-top: 20vh;
}

.stage-meta {
    display: flex;
    align-items: baseline;
    gap: 14px;
    margin-bottom: 26px;
    font-family: var(--font-label);
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.stage-num {
    color: var(--c-process-blue);
    font-weight: 600;
}

.stage-tag {
    color: var(--c-system-gray);
    padding-left: 14px;
    border-left: 1px solid rgba(26, 36, 52, 0.18);
}

.stage-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(28px, 4.4vw, 52px);
    line-height: 1.08;
    letter-spacing: -0.015em;
    color: var(--c-deep-navy);
    margin-bottom: 24px;
    max-width: 780px;
}

.stage-lede {
    font-size: clamp(16px, 1.55vw, 19px);
    line-height: 1.7;
    color: var(--c-deep-navy);
    max-width: 680px;
    margin-bottom: 52px;
    opacity: 0.88;
}

.stage-lede em {
    font-style: normal;
    color: var(--c-process-blue);
    font-weight: 600;
}

.stage-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
    max-width: 920px;
}

.process-card {
    padding: 26px 24px 28px;
    background-color: var(--c-canvas);
    border: 1px solid rgba(26, 36, 52, 0.1);
    position: relative;
    transition:
        transform 220ms cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow 220ms ease,
        border-color 220ms ease;
    will-change: transform;
}

.process-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(26, 36, 52, 0.08);
    border-color: rgba(74, 123, 217, 0.35);
}

.card-index {
    font-family: var(--font-label);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c-highlight-lilac);
    display: block;
    margin-bottom: 12px;
}

.process-card h3 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 18px;
    line-height: 1.25;
    color: var(--c-deep-navy);
    margin-bottom: 10px;
    letter-spacing: -0.005em;
}

.process-card p {
    font-size: 14.5px;
    line-height: 1.65;
    color: var(--c-system-gray);
    margin: 0;
}

/* Stage-wide reveal */
.stage {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 700ms ease, transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.stage.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger cards */
.process-card {
    opacity: 0;
    transform: translateY(14px);
    transition:
        opacity 500ms ease,
        transform 500ms cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow 220ms ease,
        border-color 220ms ease;
}

.stage.in-view .process-card {
    opacity: 1;
    transform: translateY(0);
}

.stage.in-view .process-card:nth-child(1) { transition-delay: 120ms, 120ms, 0ms, 0ms; }
.stage.in-view .process-card:nth-child(2) { transition-delay: 220ms, 220ms, 0ms, 0ms; }
.stage.in-view .process-card:nth-child(3) { transition-delay: 320ms, 320ms, 0ms, 0ms; }

/* =======================================================================
   Outro
   ======================================================================= */
#outro {
    padding: 120px 0 140px;
    max-width: 880px;
    position: relative;
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 700ms ease, transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

#outro.in-view {
    opacity: 1;
    transform: translateY(0);
}

#outro-mark {
    font-family: var(--font-label);
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c-active-green);
    margin-bottom: 30px;
}

#outro-headline {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(30px, 5vw, 56px);
    line-height: 1.08;
    letter-spacing: -0.015em;
    color: var(--c-deep-navy);
    margin-bottom: 32px;
    max-width: 720px;
}

#outro-headline em {
    font-style: normal;
    color: var(--c-action-amber);
    font-weight: 700;
}

#outro-text {
    font-size: clamp(16px, 1.5vw, 19px);
    line-height: 1.7;
    color: var(--c-system-gray);
    margin-bottom: 64px;
    max-width: 640px;
}

#outro-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
    font-family: var(--font-label);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-system-gray);
    padding-top: 28px;
    border-top: 1px solid rgba(26, 36, 52, 0.12);
}

.dot-sep {
    color: rgba(26, 36, 52, 0.3);
}

/* =======================================================================
   Responsive - collapse timeline on narrow screens
   ======================================================================= */
@media (max-width: 980px) {
    :root {
        --timeline-x: 20px;
    }

    #timeline {
        width: 60px;
    }

    .marker-label {
        display: none;
    }

    #content {
        padding-left: calc(var(--timeline-x) + 56px);
        padding-right: clamp(20px, 5vw, 48px);
    }

    .breathing-strip {
        margin-left: -76px;
        margin-right: -48px;
    }
}

@media (max-width: 640px) {
    :root {
        --timeline-x: 14px;
    }

    #timeline {
        width: 44px;
    }

    #timeline-track {
        top: 10vh;
        bottom: 10vh;
    }

    #timeline-markers {
        top: 10vh;
        bottom: 10vh;
    }

    #content {
        padding-left: calc(var(--timeline-x) + 38px);
        padding-right: 22px;
    }

    #title-text {
        white-space: normal;
    }

    #progress-meta {
        top: 18px;
        right: 18px;
    }

    .stage {
        padding: 64px 0 40px;
    }

    .breathing-strip {
        margin-left: -52px;
        margin-right: -22px;
        height: 72px;
    }

    .stage-cards {
        grid-template-columns: 1fr;
    }
}