/* ============================================
   gamelicens.ing - Styles
   Hand-drawn aesthetic with digital corruption
   ============================================ */

/* Custom Properties */
:root {
    --bg-primary: #1e1f22;
    --bg-sidebar: #2b2d30;
    --surface-card: #2f3136;
    --text-primary: #e8e2d8;
    --text-secondary: #c0bab0;
    --accent-sage: #8a9a7c;
    --accent-terracotta: #b5564e;
    --accent-steel: #5e7f9a;
    --accent-gold: #d4a853;
    --accent-mid: #4a4d52;
    --glitch-r: #c44040;
    --glitch-g: #40c440;
    --glitch-b: #4040c4;

    --channel-offset: 4px;
    --channel-offset-intense: 8px;
    --scan-line-density: 2px;
    --glitch-displacement: 4px;

    --sidebar-width: 280px;
    --sidebar-collapsed: 64px;

    --font-heading: 'Space Grotesk', sans-serif;
    --font-secondary: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-handwritten: 'Caveat', cursive;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.65;
    overflow-x: hidden;
}

/* SVG Filters (hidden) */
.svg-filters {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

/* ============================================
   Glitch Band (ambient sweep)
   ============================================ */
.glitch-band {
    position: fixed;
    top: -10px;
    left: 0;
    width: 100vw;
    height: 6px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--glitch-r) 20%,
        var(--glitch-g) 50%,
        var(--glitch-b) 80%,
        transparent 100%
    );
    opacity: 0;
    z-index: 9999;
    pointer-events: none;
    mix-blend-mode: screen;
}

.glitch-band.active {
    animation: glitchSweep 300ms linear forwards;
}

@keyframes glitchSweep {
    0% { top: -10px; opacity: 0.6; }
    100% { top: 100vh; opacity: 0; }
}

/* ============================================
   Sidebar
   ============================================ */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--bg-sidebar);
    z-index: 100;
    display: flex;
    flex-direction: row;
    overflow: hidden;
}

.sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
}

.sidebar-inner {
    display: flex;
    flex-direction: column;
    width: calc(var(--sidebar-width) - 1px);
    padding: 32px 24px;
    position: relative;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-rule {
    position: absolute;
    top: 0;
    right: 0;
    width: 1px;
    height: 100%;
    background-color: var(--accent-mid);
    filter: url(#hand-drawn);
}

/* Sidebar Logo */
.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 48px;
    opacity: 0;
    transform: translateX(-20px);
    animation: slideInLeft 400ms ease-out 200ms forwards;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 28px;
    color: var(--text-primary);
    letter-spacing: -0.015em;
    text-shadow: 0 0 1px rgba(232, 226, 216, 0.3);
}

.logo-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-terracotta);
    opacity: 0.8;
}

/* Sidebar Nav */
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--accent-sage);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateX(-20px);
    transition: color 200ms ease;
}

.nav-item:nth-child(1) { animation: slideInLeft 400ms ease-out 280ms forwards; }
.nav-item:nth-child(2) { animation: slideInLeft 400ms ease-out 360ms forwards; }
.nav-item:nth-child(3) { animation: slideInLeft 400ms ease-out 440ms forwards; }
.nav-item:nth-child(4) { animation: slideInLeft 400ms ease-out 520ms forwards; }
.nav-item:nth-child(5) { animation: slideInLeft 400ms ease-out 600ms forwards; }

.nav-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: var(--accent-terracotta);
    opacity: 0.15;
    transition: left 300ms ease-out;
    border-radius: 4px;
}

.nav-item.active::before,
.nav-item:hover::before {
    left: 0;
}

.nav-item.active {
    color: var(--text-primary);
}

.nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.nav-icon svg {
    filter: url(#hand-drawn);
}

.nav-label {
    font-family: var(--font-secondary);
    font-weight: 500;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* Sidebar Fish Decoration */
.sidebar-fish {
    position: absolute;
    bottom: 180px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.4;
    filter: url(#hand-drawn);
    pointer-events: none;
}

/* Sidebar Stamps */
.sidebar-stamp {
    font-family: var(--font-handwritten);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    padding: 6px 12px;
    border: 2px solid;
    display: inline-block;
    margin-top: 32px;
    opacity: 0;
    transform: scale(0.7) rotate(-8deg);
}

.stamp-approved {
    color: var(--accent-sage);
    border-color: var(--accent-sage);
    opacity: 0;
    animation: stampReveal 400ms ease-out 800ms forwards;
    transform-origin: center center;
}

.stamp-file {
    color: var(--accent-terracotta);
    border-color: var(--accent-terracotta);
    opacity: 0;
    animation: stampReveal 400ms ease-out 1000ms forwards;
    transform: scale(0.7) rotate(3deg);
    transform-origin: center center;
    margin-top: 12px;
    font-size: 11px;
}

/* Sidebar Toggle (mobile) */
.sidebar-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 200;
    background: var(--bg-sidebar);
    border: 1px solid var(--accent-mid);
    border-radius: 4px;
    padding: 8px;
    cursor: pointer;
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    position: relative;
}

/* ============================================
   Content Sections
   ============================================ */
.content-section {
    min-height: 80vh;
    padding: 80px 64px;
    position: relative;
}

/* Section Header */
.section-header {
    margin-bottom: 48px;
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.section-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 48px;
    color: var(--text-primary);
    letter-spacing: -0.015em;
    text-shadow: 0 0 1px rgba(232, 226, 216, 0.3);
}

/* Inline Stamp */
.stamp-inline {
    font-family: var(--font-handwritten);
    font-weight: 700;
    font-size: 14px;
    color: var(--accent-terracotta);
    border: 1.5px solid var(--accent-terracotta);
    padding: 4px 12px;
    transform: rotate(var(--stamp-rotation, -2deg));
    opacity: 0.7;
}

/* ============================================
   License Cards
   ============================================ */
.license-card {
    background-color: var(--surface-card);
    border: 2px solid var(--accent-mid);
    border-radius: 2px;
    padding: 32px;
    margin-bottom: 32px;
    position: relative;
    box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.2);
    filter: url(#hand-drawn);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.card-title {
    font-family: var(--font-secondary);
    font-weight: 500;
    font-size: 20px;
    color: var(--accent-sage);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.card-stamp {
    font-family: var(--font-handwritten);
    font-weight: 700;
    font-size: 16px;
    color: var(--accent-sage);
    border: 1.5px solid var(--accent-sage);
    padding: 2px 10px;
    transform: rotate(-2deg);
    opacity: 0.65;
}

.card-stamp-alt {
    color: var(--accent-terracotta);
    border-color: var(--accent-terracotta);
    transform: rotate(1.5deg);
}

.card-body p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.65;
    text-indent: 1.5em;
}

.card-body p:first-child {
    text-indent: 0;
}

/* Card Fish Decoration */
.card-fish {
    position: absolute;
    bottom: 16px;
    right: 16px;
    opacity: 0.4;
}

/* ============================================
   Glitch Image (RGB Channel Split)
   ============================================ */
.glitch-image {
    position: relative;
    display: inline-block;
}

.channel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    mix-blend-mode: screen;
}

.channel-r {
    color: var(--glitch-r);
    transform: translate(calc(-1 * var(--channel-offset)), 0);
}

.channel-g {
    color: var(--glitch-g);
    position: relative;
}

.channel-b {
    color: var(--glitch-b);
    transform: translate(var(--channel-offset), 0);
}

/* Scan lines overlay */
.scan-lines-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent 0px,
        transparent 1px,
        rgba(0, 0, 0, 0.15) 1px,
        rgba(0, 0, 0, 0.15) 2px
    );
    pointer-events: none;
}

/* Glitch burst state */
.glitch-image.glitch-burst .channel-r {
    transform: translate(calc(-1 * var(--channel-offset-intense)), 1px);
}

.glitch-image.glitch-burst .channel-b {
    transform: translate(var(--channel-offset-intense), -1px);
}

.glitch-image.glitch-burst::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--glitch-r);
    opacity: 0.3;
    pointer-events: none;
    animation: glitchFlash 200ms ease-out forwards;
}

@keyframes glitchFlash {
    0% { opacity: 0.3; }
    100% { opacity: 0; }
}

/* ============================================
   Section 1: Opening / Hero
   ============================================ */
.section-opening {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-illustration {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 55%;
    max-width: 700px;
    opacity: 0.5;
}

.lionfish-hero {
    width: 100%;
}

.lionfish-svg {
    width: 100%;
    height: auto;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 72px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    text-shadow: 0 0 2px rgba(232, 226, 216, 0.3);
    opacity: 0;
    transform: translateY(40px);
    animation: slideUpFade 800ms cubic-bezier(0.16, 1, 0.3, 1) 400ms forwards;
}

.hero-dot {
    color: var(--accent-gold);
}

.hero-annotation {
    font-family: var(--font-handwritten);
    font-weight: 700;
    font-size: 22px;
    color: var(--accent-terracotta);
    margin-top: 16px;
    opacity: 0;
    transform: translateY(20px);
    animation: slideUpFade 600ms ease-out 900ms forwards;
}

.hero-stamp {
    margin-top: 32px;
    opacity: 0;
    transform: scale(0.7) rotate(-8deg);
    animation: stampReveal 400ms ease-out 1200ms forwards;
}

/* ============================================
   Glitch Dividers
   ============================================ */
.glitch-divider {
    width: 100%;
    height: 16px;
    margin: 40px 0;
    position: relative;
    overflow: hidden;
    background: linear-gradient(
        90deg,
        var(--glitch-r) 0%,
        transparent 10%,
        var(--glitch-g) 30%,
        transparent 50%,
        var(--glitch-b) 70%,
        transparent 90%,
        var(--glitch-r) 100%
    );
    opacity: 0.35;
    mix-blend-mode: screen;
}

.glitch-divider::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: repeating-linear-gradient(
        90deg,
        transparent 0px,
        transparent 3px,
        rgba(0, 0, 0, 0.4) 3px,
        rgba(0, 0, 0, 0.4) 4px
    );
    animation: dividerScroll 4s linear infinite;
}

@keyframes dividerScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ============================================
   Section 3: Taxonomy Grid
   ============================================ */
.taxonomy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.taxonomy-card {
    background-color: var(--surface-card);
    border: 2px solid var(--accent-mid);
    border-radius: 2px;
    padding: 24px;
    position: relative;
    box-shadow: 5px 5px 0 rgba(0, 0, 0, 0.2);
    filter: url(#hand-drawn);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.taxonomy-fish {
    margin-bottom: 16px;
    --channel-offset: 3px;
    --channel-offset-intense: 6px;
}

.taxonomy-title {
    font-family: var(--font-secondary);
    font-weight: 500;
    font-size: 16px;
    color: var(--accent-sage);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.taxonomy-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    flex-grow: 1;
}

.taxonomy-stamp {
    font-family: var(--font-handwritten);
    font-weight: 700;
    font-size: 13px;
    color: var(--accent-gold);
    border: 1px solid var(--accent-gold);
    padding: 2px 10px;
    margin-top: 16px;
    opacity: 0.6;
    transform: rotate(-1.5deg);
}

/* ============================================
   Section 4: Process Timeline
   ============================================ */
.process-timeline {
    position: relative;
    padding-left: 80px;
}

.timeline-line {
    position: absolute;
    left: 32px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(
        180deg,
        var(--accent-mid) 0%,
        var(--accent-sage) 50%,
        var(--accent-mid) 100%
    );
    opacity: 0.5;
    filter: url(#hand-drawn);
}

.timeline-step {
    display: flex;
    gap: 32px;
    margin-bottom: 40px;
    position: relative;
}

.step-marker {
    position: absolute;
    left: -80px;
    top: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 64px;
}

.step-number {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 24px;
    color: var(--accent-gold);
    text-shadow: 0 0 1px rgba(212, 168, 83, 0.3);
    margin-bottom: 8px;
}

.stamp-step {
    font-family: var(--font-handwritten);
    font-weight: 700;
    font-size: 10px;
    color: var(--accent-terracotta);
    border: 1px solid var(--accent-terracotta);
    padding: 1px 6px;
    opacity: 0.6;
    white-space: nowrap;
}

.step-content {
    flex: 1;
}

.step-content .card-title {
    margin-bottom: 12px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.65;
}

/* ============================================
   Section 5: Archive (corrupted)
   ============================================ */
.section-archive {
    position: relative;
}

.archive-annotation {
    font-family: var(--font-handwritten);
    font-weight: 700;
    font-size: 18px;
    color: var(--accent-terracotta);
    opacity: 0.7;
    letter-spacing: 0.05em;
}

.archive-corrupted {
    position: relative;
    overflow: hidden;
}

.archive-corrupted::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent 0px,
        transparent 2px,
        rgba(0, 0, 0, 0.12) 2px,
        rgba(0, 0, 0, 0.12) 3px
    );
    pointer-events: none;
    z-index: 1;
}

.archive-fish {
    width: 100%;
    max-width: 400px;
    margin: 24px auto 0;
    display: block;
    --channel-offset: 8px;
    --channel-offset-intense: 16px;
    opacity: 0.35;
}

.archive-glitch .channel-r {
    transform: translate(-8px, 2px);
}

.archive-glitch .channel-b {
    transform: translate(8px, -2px);
}

/* Wax Seal */
.wax-seal {
    text-align: center;
    margin-top: 64px;
    padding-bottom: 32px;
}

.wax-seal svg {
    filter: url(#hand-drawn);
}

/* ============================================
   Slide Reveal Animation
   ============================================ */
.slide-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 600ms cubic-bezier(0.16, 1, 0.3, 1),
                transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Stagger within sections */
.slide-reveal.stagger-1 { transition-delay: 120ms; }
.slide-reveal.stagger-2 { transition-delay: 240ms; }
.slide-reveal.stagger-3 { transition-delay: 360ms; }
.slide-reveal.stagger-4 { transition-delay: 480ms; }
.slide-reveal.stagger-5 { transition-delay: 600ms; }

/* ============================================
   Keyframe Animations
   ============================================ */
@keyframes slideInLeft {
    0% { opacity: 0; transform: translateX(-20px); }
    100% { opacity: 1; transform: translateX(0); }
}

@keyframes slideUpFade {
    0% { opacity: 0; transform: translateY(40px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes stampReveal {
    0% { opacity: 0; transform: scale(0.7) rotate(var(--stamp-start-rotate, -8deg)); }
    60% { opacity: 0.8; transform: scale(1.05) rotate(var(--stamp-end-rotate, -1deg)); }
    100% { opacity: 0.65; transform: scale(1) rotate(var(--stamp-end-rotate, -2deg)); }
}

/* Ambient glitch for sidebar rule */
@keyframes ruleFlicker {
    0%, 100% { opacity: 1; }
    33% { opacity: 0.3; }
    66% { opacity: 1; }
}

.sidebar-rule.flickering {
    animation: ruleFlicker 200ms linear;
}

/* Background shift during ambient glitch */
body.glitch-ambient {
    background-color: #201e24;
    transition: background-color 150ms ease;
}

/* ============================================
   Responsive
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
    .sidebar {
        width: var(--sidebar-collapsed);
    }

    .sidebar-inner {
        width: calc(var(--sidebar-collapsed) - 1px);
        padding: 16px 8px;
        align-items: center;
    }

    .nav-label {
        display: none;
    }

    .nav-item {
        justify-content: center;
        padding: 12px;
    }

    .sidebar-stamp {
        display: none;
    }

    .sidebar-fish {
        display: none;
    }

    .sidebar-logo {
        margin-bottom: 32px;
    }

    .main-content {
        margin-left: var(--sidebar-collapsed);
    }

    .content-section {
        padding: 60px 40px;
    }

    .taxonomy-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title {
        font-size: 56px;
    }

    .section-title {
        font-size: 36px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .sidebar {
        width: var(--sidebar-width);
        transform: translateX(-100%);
        transition: transform 300ms ease-out;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-toggle {
        display: block;
    }

    .sidebar-inner {
        width: calc(var(--sidebar-width) - 1px);
        padding: 32px 24px;
    }

    .nav-label {
        display: inline;
    }

    .sidebar-stamp {
        display: inline-block;
    }

    .main-content {
        margin-left: 0;
    }

    .content-section {
        padding: 48px 24px;
    }

    .taxonomy-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 42px;
    }

    .hero-illustration {
        width: 80%;
    }

    .section-title {
        font-size: 32px;
    }

    .process-timeline {
        padding-left: 60px;
    }

    .step-marker {
        left: -60px;
        width: 48px;
    }

    .timeline-line {
        left: 20px;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .section-title {
        font-size: 26px;
    }

    .content-section {
        padding: 32px 16px;
    }

    .license-card {
        padding: 20px;
    }

    .taxonomy-card {
        padding: 16px;
    }
}

/* ============================================
   Glitch slice effect for archive section
   ============================================ */
.archive-corrupted.glitch-slice {
    animation: sliceGlitch 200ms steps(1) forwards;
}

@keyframes sliceGlitch {
    0% { clip-path: inset(0 0 0 0); }
    20% { clip-path: inset(20% 0 60% 0); transform: translateX(15px); }
    40% { clip-path: inset(40% 0 30% 0); transform: translateX(-20px); }
    60% { clip-path: inset(60% 0 10% 0); transform: translateX(10px); }
    80% { clip-path: inset(10% 0 70% 0); transform: translateX(-8px); }
    100% { clip-path: inset(0 0 0 0); transform: translateX(0); }
}