/* =============================================================================
   REWEB.FR — Design system GameBoy DMG
   Palette officielle GameBoy (4 verts) + Press Start 2P
   ============================================================================= */

:root {
    --gb-darkest: #0f380f;
    --gb-dark:    #306230;
    --gb-medium:  #8bac0f;
    --gb-light:   #9bbc0f;

    --gb-shadow-hard: 4px 4px 0 var(--gb-darkest);
    --gb-shadow-soft: 2px 2px 0 var(--gb-dark);
}

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

html {
    background: var(--gb-light);
    scrollbar-color: var(--gb-darkest) var(--gb-medium);
    scrollbar-width: thin;
}

body {
    font-family: 'Press Start 2P', 'Courier New', monospace;
    font-size: 10px;
    line-height: 1.8;
    color: var(--gb-darkest);
    background: var(--gb-light);
    min-height: 100vh;
    overflow-x: hidden;
}

::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: var(--gb-medium); border-left: 2px solid var(--gb-darkest); }
::-webkit-scrollbar-thumb { background: var(--gb-darkest); border: 2px solid var(--gb-medium); }
::-webkit-scrollbar-thumb:hover { background: var(--gb-dark); }

::selection { background: var(--gb-darkest); color: var(--gb-light); }

/* =============================================================================
   Typographie
   ============================================================================= */

h1, h2, h3, h4 {
    font-family: 'Press Start 2P', monospace;
    color: var(--gb-darkest);
    letter-spacing: 0.05em;
    line-height: 1.4;
}

h1 { font-size: 24px; margin-bottom: 24px; }
h2 { font-size: 18px; margin-bottom: 20px; }
h3 { font-size: 14px; margin-bottom: 16px; }
h4 { font-size: 11px; margin-bottom: 12px; }

p {
    margin-bottom: 16px;
    line-height: 1.9;
}

a {
    color: var(--gb-darkest);
    text-decoration: none;
    border-bottom: 2px solid var(--gb-medium);
    transition: background 0.1s steps(2);
}

a:hover { background: var(--gb-medium); }

strong, b { color: var(--gb-darkest); font-weight: normal; text-shadow: 1px 0 0 var(--gb-darkest); }

ul, ol { padding-left: 24px; margin-bottom: 16px; }
li { margin-bottom: 8px; }

code, pre {
    font-family: 'Press Start 2P', monospace;
    background: var(--gb-darkest);
    color: var(--gb-light);
    padding: 2px 6px;
    font-size: 9px;
}

/* =============================================================================
   Layout principal
   ============================================================================= */

.gb-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px;
}

main {
    padding: 24px 0 64px;
}

/* =============================================================================
   Header / Navigation
   ============================================================================= */

.gb-header {
    background: var(--gb-darkest);
    color: var(--gb-light);
    border-bottom: 4px solid var(--gb-dark);
    padding: 16px 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.gb-header-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.gb-logo {
    font-size: 14px;
    color: var(--gb-light);
    border: none;
    text-decoration: none;
}

.gb-logo:hover { background: transparent; color: var(--gb-medium); }

.gb-logo::before { content: "★ "; color: var(--gb-medium); }

.gb-nav {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.gb-nav a {
    color: var(--gb-light);
    font-size: 9px;
    padding: 6px 10px;
    border: 2px solid var(--gb-light);
    background: transparent;
    transition: all 0.1s steps(2);
}

.gb-nav a:hover, .gb-nav a.active {
    background: var(--gb-light);
    color: var(--gb-darkest);
}

.gb-nav-toggle {
    display: none;
    background: transparent;
    border: 2px solid var(--gb-light);
    color: var(--gb-light);
    padding: 6px 10px;
    font-family: inherit;
    font-size: 9px;
    cursor: pointer;
}

@media (max-width: 720px) {
    .gb-nav-toggle { display: block; }
    .gb-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--gb-darkest);
        border-bottom: 4px solid var(--gb-dark);
        flex-direction: column;
        padding: 16px 24px;
        gap: 8px;
    }
    .gb-nav.open { display: flex; }
    .gb-nav a { width: 100%; text-align: center; }
}

/* =============================================================================
   Composants — Bezels, cards, sections
   ============================================================================= */

.gb-screen {
    background: var(--gb-light);
    border: 3px solid var(--gb-darkest);
    box-shadow: var(--gb-shadow-hard);
    padding: 24px;
    margin: 32px 0;
    position: relative;
}

.gb-screen-dark {
    background: var(--gb-darkest);
    color: var(--gb-light);
    border-color: var(--gb-medium);
}

.gb-screen-dark h1, .gb-screen-dark h2, .gb-screen-dark h3, .gb-screen-dark h4 {
    color: var(--gb-medium);
}

.gb-screen-dark a {
    color: var(--gb-medium);
    border-bottom-color: var(--gb-medium);
}

.gb-screen-dark a:hover {
    background: var(--gb-medium);
    color: var(--gb-darkest);
}

.gb-screen-title {
    display: inline-block;
    background: var(--gb-darkest);
    color: var(--gb-light);
    padding: 4px 10px;
    margin: -32px 0 16px -28px;
    font-size: 9px;
    letter-spacing: 0.1em;
}

.gb-screen-dark .gb-screen-title {
    background: var(--gb-medium);
    color: var(--gb-darkest);
}

/* Section avec révélation Tetris — visible par défaut, cachée seulement si JS est actif
   (progressive enhancement : sans JS, le contenu reste accessible pour le SEO) */
html.js section[data-tetris] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s steps(8), transform 0.4s steps(8);
}

html.js section[data-tetris].visible {
    opacity: 1;
    transform: translateY(0);
}

/* =============================================================================
   Boutons
   ============================================================================= */

.gb-btn {
    display: inline-block;
    padding: 12px 18px;
    font-family: 'Press Start 2P', monospace;
    font-size: 11px;
    color: var(--gb-light);
    background: var(--gb-darkest);
    border: none;
    box-shadow: var(--gb-shadow-hard);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.05s steps(2);
    letter-spacing: 0.05em;
    text-align: center;
    line-height: 1.4;
}

.gb-btn:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--gb-darkest);
    background: var(--gb-dark);
}

.gb-btn:active {
    transform: translate(4px, 4px);
    box-shadow: none;
}

.gb-btn-ghost {
    background: transparent;
    color: var(--gb-darkest);
    border: 3px solid var(--gb-darkest);
    box-shadow: var(--gb-shadow-hard);
    padding: 9px 15px;
}

.gb-btn-ghost:hover {
    background: var(--gb-darkest);
    color: var(--gb-light);
}

.gb-btn-large {
    font-size: 14px;
    padding: 16px 24px;
}

.gb-btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin: 24px 0;
}

/* =============================================================================
   Hero
   ============================================================================= */

.gb-hero {
    background: var(--gb-light);
    border: 4px solid var(--gb-darkest);
    box-shadow: var(--gb-shadow-hard);
    padding: 48px 32px;
    margin: 32px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.gb-hero::before {
    content: "";
    position: absolute;
    inset: 8px;
    border: 2px dashed var(--gb-dark);
    pointer-events: none;
}

.gb-boot {
    text-align: left;
    max-width: 540px;
    margin: 0 auto;
    font-size: 12px;
    line-height: 2.2;
    min-height: 280px;
}

.gb-boot-line {
    opacity: 0;
    display: block;
}

.gb-boot-line.shown { opacity: 1; }

.gb-boot-line.title {
    font-size: 18px;
    color: var(--gb-darkest);
    margin-bottom: 16px;
}

.gb-boot-line.muted { color: var(--gb-dark); }

.gb-cursor {
    display: inline-block;
    background: var(--gb-darkest);
    width: 10px;
    height: 14px;
    vertical-align: middle;
    margin-left: 4px;
    animation: blink 1s steps(2) infinite;
}

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

.gb-hero-cta {
    margin-top: 32px;
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* =============================================================================
   High Score Table
   ============================================================================= */

.gb-highscore {
    background: var(--gb-darkest);
    color: var(--gb-medium);
    padding: 32px;
    margin: 32px 0;
    text-align: center;
    border: 3px solid var(--gb-darkest);
    box-shadow: var(--gb-shadow-hard);
}

.gb-highscore h2 {
    color: var(--gb-medium);
    margin-bottom: 24px;
    font-size: 14px;
}

.gb-highscore h2::before, .gb-highscore h2::after {
    content: " ── ";
    color: var(--gb-medium);
}

.gb-highscore-table {
    display: inline-block;
    text-align: left;
    margin: 0 auto;
    font-size: 11px;
    line-height: 2.4;
}

.gb-highscore-row {
    display: grid;
    grid-template-columns: 60px 1fr 1fr;
    gap: 24px;
    color: var(--gb-light);
}

.gb-highscore-row .rank { color: var(--gb-medium); }

@media (max-width: 540px) {
    .gb-highscore-row {
        grid-template-columns: 50px 1fr;
        font-size: 9px;
    }
    .gb-highscore-row .meta { grid-column: span 2; padding-left: 74px; color: var(--gb-dark); }
}

/* =============================================================================
   Grid (services, FAQ, etc.)
   ============================================================================= */

.gb-grid {
    display: grid;
    gap: 24px;
    margin: 32px 0;
}

.gb-grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.gb-grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.gb-card {
    background: var(--gb-light);
    border: 3px solid var(--gb-darkest);
    box-shadow: var(--gb-shadow-hard);
    padding: 20px;
    transition: transform 0.1s steps(2);
}

.gb-card:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--gb-darkest);
}

.gb-card-icon {
    display: inline-block;
    background: var(--gb-darkest);
    color: var(--gb-medium);
    padding: 4px 8px;
    font-size: 9px;
    margin-bottom: 12px;
    letter-spacing: 0.1em;
}

.gb-card h3 { font-size: 12px; margin-bottom: 12px; }
.gb-card p { font-size: 10px; line-height: 1.9; }

/* =============================================================================
   FAQ — Accordéon
   ============================================================================= */

.gb-faq {
    margin: 32px 0;
}

.gb-faq-item {
    background: var(--gb-light);
    border: 3px solid var(--gb-darkest);
    box-shadow: var(--gb-shadow-hard);
    margin-bottom: 20px;
}

.gb-faq-question {
    display: block;
    width: 100%;
    text-align: left;
    background: var(--gb-darkest);
    color: var(--gb-light);
    border: none;
    padding: 14px 18px;
    font-family: inherit;
    font-size: 11px;
    cursor: pointer;
    letter-spacing: 0.05em;
}

.gb-faq-question::before {
    content: "▶ ";
    color: var(--gb-medium);
    margin-right: 6px;
    transition: transform 0.1s steps(2);
    display: inline-block;
}

.gb-faq-item[open] .gb-faq-question::before {
    transform: rotate(90deg);
}

.gb-faq-question::-webkit-details-marker { display: none; }

.gb-faq-answer {
    padding: 18px;
    font-size: 10px;
    line-height: 1.9;
    background: var(--gb-light);
}

/* =============================================================================
   Sécurité — checklist anti-vibe-coding
   ============================================================================= */

.gb-checklist {
    list-style: none;
    padding: 0;
    margin: 24px 0;
}

.gb-checklist li {
    padding: 8px 0 8px 32px;
    position: relative;
    font-size: 11px;
}

.gb-checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 8px;
    width: 20px;
    height: 20px;
    background: var(--gb-darkest);
    color: var(--gb-medium);
    text-align: center;
    line-height: 20px;
    font-size: 10px;
}

.gb-screen-dark .gb-checklist li::before {
    background: var(--gb-medium);
    color: var(--gb-darkest);
}

/* =============================================================================
   Portfolio — cards + filtres
   ============================================================================= */

.gb-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 24px 0;
    justify-content: center;
}

.gb-filter {
    background: var(--gb-light);
    border: 2px solid var(--gb-darkest);
    padding: 6px 12px;
    font-family: inherit;
    font-size: 9px;
    color: var(--gb-darkest);
    cursor: pointer;
    transition: all 0.05s steps(2);
}

.gb-filter:hover, .gb-filter.active {
    background: var(--gb-darkest);
    color: var(--gb-light);
}

.gb-portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin: 32px 0;
}

.gb-portfolio-item {
    background: var(--gb-light);
    border: 3px solid var(--gb-darkest);
    box-shadow: var(--gb-shadow-hard);
    padding: 16px;
    transition: transform 0.1s steps(2);
}

.gb-portfolio-item:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--gb-darkest);
}

.gb-portfolio-item.hidden { display: none; }

.gb-portfolio-thumb {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--gb-medium);
    border: 2px solid var(--gb-darkest);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gb-darkest);
    font-size: 9px;
    text-align: center;
    padding: 8px;
}

.gb-portfolio-title { font-size: 11px; margin-bottom: 6px; }
.gb-portfolio-type { font-size: 8px; color: var(--gb-dark); }

/* =============================================================================
   Formulaire contact
   ============================================================================= */

.gb-form {
    margin: 24px 0;
}

.gb-form-row {
    margin-bottom: 20px;
}

.gb-form-row label {
    display: block;
    font-size: 10px;
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.gb-form-row label .required { color: var(--gb-dark); }

.gb-input, .gb-textarea, .gb-select {
    width: 100%;
    padding: 12px 14px;
    background: var(--gb-light);
    border: 3px solid var(--gb-darkest);
    font-family: 'Press Start 2P', monospace;
    font-size: 10px;
    color: var(--gb-darkest);
    box-shadow: inset 2px 2px 0 var(--gb-dark);
}

.gb-input:focus, .gb-textarea:focus, .gb-select:focus {
    outline: none;
    background: #c4d850;
    box-shadow: inset 2px 2px 0 var(--gb-darkest);
}

.gb-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.8;
}

.gb-input.error {
    background: #c4d850;
    box-shadow: inset 0 0 0 2px var(--gb-darkest);
}

.gb-form-row .error-msg {
    display: block;
    font-size: 9px;
    color: var(--gb-darkest);
    margin-top: 6px;
    padding: 4px 8px;
    background: var(--gb-medium);
    border-left: 4px solid var(--gb-darkest);
}

/* Honeypot — caché aux humains, visible aux bots */
.gb-honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* =============================================================================
   GAME OVER overlay
   ============================================================================= */

.gb-gameover {
    position: fixed;
    inset: 0;
    background: rgba(15, 56, 15, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 24px;
}

.gb-gameover.shown { display: flex; }

.gb-gameover-box {
    background: var(--gb-light);
    border: 4px solid var(--gb-darkest);
    box-shadow: var(--gb-shadow-hard);
    padding: 40px 32px;
    text-align: center;
    max-width: 420px;
    width: 100%;
}

.gb-gameover-title {
    font-size: 24px;
    color: var(--gb-darkest);
    margin-bottom: 24px;
    letter-spacing: 0.2em;
    animation: gameover-flash 0.5s steps(2) infinite;
}

@keyframes gameover-flash {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.4; }
}

.gb-gameover-msg {
    font-size: 11px;
    margin-bottom: 16px;
    line-height: 2;
}

.gb-gameover-countdown {
    font-size: 32px;
    margin: 24px 0;
    color: var(--gb-dark);
}

.gb-gameover-errors {
    text-align: left;
    margin: 16px 0;
    font-size: 9px;
    background: var(--gb-medium);
    padding: 12px;
    border: 2px solid var(--gb-darkest);
}

.gb-gameover-errors li {
    margin-bottom: 6px;
    padding-left: 12px;
    position: relative;
}

.gb-gameover-errors li::before {
    content: "X";
    position: absolute;
    left: 0;
    color: var(--gb-darkest);
}

/* =============================================================================
   Tetris animation — pièces qui tombent
   ============================================================================= */

.gb-tetris-grid {
    position: relative;
    height: 60px;
    margin-bottom: 16px;
    overflow: hidden;
    pointer-events: none;
}

.gb-tetris-piece {
    position: absolute;
    display: grid;
    gap: 2px;
    transition: transform 0.6s cubic-bezier(0.55, 0.085, 0.68, 0.53);
}

.gb-tetris-cell {
    width: 16px;
    height: 16px;
    background: var(--gb-darkest);
    box-shadow: inset 2px 2px 0 var(--gb-medium), inset -2px -2px 0 var(--gb-dark);
}

.gb-tetris-cell.empty { background: transparent; box-shadow: none; }

.gb-tetris-flash {
    position: absolute;
    inset: 0;
    background: var(--gb-light);
    opacity: 0;
    pointer-events: none;
}

.gb-tetris-flash.fire {
    animation: tetris-flash 0.4s steps(6);
}

@keyframes tetris-flash {
    0%   { opacity: 0; background: var(--gb-light); }
    20%  { opacity: 1; background: #ffffff; }
    50%  { opacity: 0.8; background: var(--gb-medium); }
    100% { opacity: 0; background: var(--gb-light); }
}

/* =============================================================================
   Footer
   ============================================================================= */

.gb-footer {
    background: var(--gb-darkest);
    color: var(--gb-light);
    padding: 32px 24px;
    text-align: center;
    border-top: 4px solid var(--gb-dark);
    margin-top: 48px;
    font-size: 9px;
    line-height: 2;
}

.gb-footer a {
    color: var(--gb-medium);
    border-bottom-color: var(--gb-medium);
}

.gb-footer a:hover {
    background: var(--gb-medium);
    color: var(--gb-darkest);
}

.gb-footer-meta {
    margin-top: 16px;
    color: var(--gb-dark);
    font-size: 8px;
}

/* =============================================================================
   Utilitaires
   ============================================================================= */

.gb-text-center { text-align: center; }
.gb-mb-32 { margin-bottom: 32px; }
.gb-mt-32 { margin-top: 32px; }

.gb-muted { color: var(--gb-dark); }
.gb-accent { color: var(--gb-darkest); }
.gb-tag {
    display: inline-block;
    background: var(--gb-darkest);
    color: var(--gb-medium);
    padding: 3px 8px;
    font-size: 8px;
    letter-spacing: 0.1em;
    margin-right: 6px;
}

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

@media (max-width: 720px) {
    body { font-size: 9px; }
    h1 { font-size: 18px; }
    h2 { font-size: 14px; }
    h3 { font-size: 12px; }

    .gb-container { padding: 16px; }
    .gb-hero { padding: 32px 16px; }
    .gb-boot { font-size: 10px; min-height: 240px; }
    .gb-boot-line.title { font-size: 14px; }
    .gb-screen { padding: 16px; }
    .gb-screen-title { margin-left: -20px; }
    .gb-highscore { padding: 24px 16px; }
    .gb-btn { font-size: 10px; padding: 10px 14px; }
    .gb-btn-large { font-size: 12px; padding: 14px 20px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .gb-cursor { animation: none; }
}