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

body {
    font-family: 'Space Mono', 'Courier New', monospace, 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji';
    min-height: 100vh;
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
    position: relative;
}

/* ── Scanline overlay ── */

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
    pointer-events: none;
    z-index: 9999;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 2rem 4rem;
}

/* ── Hero ── */

.hero {
    text-align: center;
    padding: 5rem 0 3rem;
    border-bottom: 3px solid var(--accent);
    margin-bottom: 2.5rem;
}

.site-logo {
    max-width: 320px;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: contain;
    margin: 0 auto 1.5rem;
    display: block;
    border-radius: 0;
    border: 3px solid var(--accent);
}

.site-title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.2;
    text-transform: uppercase;
    position: relative;
    display: block;
    color: var(--accent);
}

.typewriter-cursor {
    display: inline-block;
    width: 0.55em;
    height: 1em;
    background: var(--accent);
    margin-left: 3px;
    vertical-align: text-bottom;
    animation: cursor-blink 0.7s steps(1) infinite;
}

.site-description {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    margin-top: 1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    letter-spacing: 0.01em;
    opacity: 0;
    color: var(--text-secondary);
}

.desc-visible {
    opacity: 1;
}

.anim-ready .site-logo,
.anim-ready .site-title,
.anim-ready .site-description {
    opacity: 0;
}

/* ── Dark theme ── */

.dark-theme {
    --accent: #00ff88;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.15);
    --card-hover-bg: rgba(255, 255, 255, 0.1);
    --card-hover-border: rgba(255, 255, 255, 0.3);
    --card-hover-shadow: 0 0 20px rgba(255, 255, 255, 0.08);
    --btn-bg: transparent;
    --btn-border: var(--accent);
    --btn-color: var(--accent);
    --btn-hover-bg: var(--accent);
    --btn-hover-color: #000;
    color: var(--accent);
}

.dark-theme .site-title { text-shadow: 0 0 20px rgba(255, 255, 255, 0.15); }

/* ── Light theme ── */

.light-theme {
    --accent: #1a1a2e;
    --text-secondary: rgba(26, 26, 46, 0.65);
    --card-bg: #fff;
    --card-border: rgba(0, 0, 0, 0.12);
    --card-hover-bg: #fff;
    --card-hover-border: rgba(0, 0, 0, 0.25);
    --card-hover-shadow: 4px 4px 0 rgba(0, 0, 0, 0.15);
    --btn-bg: var(--accent);
    --btn-border: var(--accent);
    --btn-color: #fff;
    --btn-hover-bg: var(--accent);
    --btn-hover-color: #fff;
    color: var(--accent);
}

.light-theme .site-title { text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.06); }
.light-theme .card { box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.08); }
.light-theme .card:hover { box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.15); }

/* ── Cards (variable-driven) ── */

.card {
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    color: var(--accent);
    border-radius: 0;
    padding: 1.8rem;
    transition: box-shadow 0.25s ease,
                border-color 0.25s ease,
                background 0.25s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.card:hover {
    background: var(--card-hover-bg);
    border-color: var(--card-hover-border);
    box-shadow: var(--card-hover-shadow);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}
.card:hover::before { transform: scaleX(1); }

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    text-align: center;
    color: var(--accent);
}

.card-text {
    font-size: 0.88rem;
    line-height: 1.8;
    flex-grow: 1;
    margin-bottom: 0.5rem;
    text-align: center;
    color: var(--text-secondary);
}

.card-btn {
    display: inline-block;
    margin-top: auto;
    padding: 0.65rem 1.5rem;
    border-radius: 0;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.82rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: var(--btn-bg);
    border: 2px solid var(--btn-border);
    color: var(--btn-color);
    transition: background 0.2s ease,
                color 0.2s ease,
                border-color 0.2s ease;
    align-self: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.card-btn:hover {
    background: var(--btn-hover-bg);
    color: var(--btn-hover-color);
}
.card-btn:active {
    transform: translate(2px, 2px);
}

/* ── Decorative corner marks ── */

.card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 12px;
    height: 12px;
    border-right: 2px solid var(--accent);
    border-bottom: 2px solid var(--accent);
    opacity: 0.3;
    transition: opacity 0.2s;
}
.card:hover::after { opacity: 0.7; }

/* Custom color override — sets --accent from JS */
.custom-color { color: var(--accent); }
.custom-color .card { color: var(--accent); }
.custom-color .card-title { color: var(--accent); }
.custom-color .card-text { color: var(--text-secondary); }
.custom-color .site-description { color: var(--text-secondary); }

/* ── Blocks grid ── */

.blocks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}
.blocks-grid:empty { display: none; }

/* ══════════════════════════════════════
   Animations
   ══════════════════════════════════════ */

@keyframes cursor-blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

@keyframes a-fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes a-fadeDown {
    from { opacity: 0; transform: translateY(-30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes a-fadeLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes a-fadeRight {
    from { opacity: 0; transform: translateX(40px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes a-scale {
    from { opacity: 0; transform: scale(0.85); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes a-flip {
    from { opacity: 0; transform: perspective(800px) rotateX(-40deg); }
    to   { opacity: 1; transform: perspective(800px) rotateX(0); }
}

@keyframes a-bounce {
    0%   { opacity: 0; transform: translateY(50px); }
    60%  { opacity: 1; transform: translateY(-8px); }
    80%  { transform: translateY(4px); }
    100% { transform: translateY(0); }
}

@keyframes a-rotate {
    from { opacity: 0; transform: rotate(-6deg) scale(0.92); }
    to   { opacity: 1; transform: rotate(0) scale(1); }
}

@keyframes a-blur {
    from { opacity: 0; filter: blur(10px); transform: scale(1.03); }
    to   { opacity: 1; filter: blur(0); transform: scale(1); }
}

@keyframes a-cascade {
    from { opacity: 0; transform: translateY(40px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes a-elastic {
    0%   { opacity: 0; transform: scale(0.6); }
    50%  { opacity: 1; transform: scale(1.05); }
    70%  { transform: scale(0.97); }
    85%  { transform: scale(1.01); }
    100% { transform: scale(1); }
}

/* ── Hero entrance ── */

@keyframes hero-zoomIn {
    from { opacity: 0; transform: scale(0.7); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes hero-slideDown {
    from { opacity: 0; }
    to   { opacity: 1; }
}

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

/* ── Responsive: Tablet ── */

@media (max-width: 900px) {
    .container { padding: 1.5rem 1.5rem 3rem; }
    .hero { padding: 3.5rem 0 2rem; }
    .blocks-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.25rem;
    }
}

/* ── Responsive: Mobile ── */

@media (max-width: 640px) {
    .container { padding: 1rem 1rem 2.5rem; }
    .hero { padding: 2.5rem 0 1.5rem; }
    .site-logo { max-width: 260px; border-width: 2px; margin-bottom: 1rem; }
    .site-title { font-size: clamp(1.4rem, 6vw, 2rem); }
    .site-description { font-size: 0.85rem; }
    .blocks-grid { grid-template-columns: 1fr; gap: 1rem; }
    .card { padding: 1.3rem; }
    .card-title { font-size: 1rem; }
    .card-btn { padding: 0.55rem 1.1rem; font-size: 0.78rem; width: 100%; }
}

/* ── Responsive: Very small ── */

@media (max-width: 380px) {
    .container { padding: 0.75rem 0.75rem 2rem; }
    .hero { padding: 2rem 0 1rem; }
    .card { padding: 1.1rem; }
}

/* ── Reduce motion ── */

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