/* ═══════════════════════════════════════════════════════════════
   Q U I N N T E R A C T I V E  ·  site.css  (global only)
   Terminal-aesthetic design system
   ═══════════════════════════════════════════════════════════════ */

/* ── Variables ───────────────────────────────────────────────── */
:root {
    --bg-deep: #0f0a1e;
    --bg-panel: #1a1333;
    --bg-inner: #140e28;
    --surface: #221a3a;
    --border-soft: #2d2252;
    --border-glow: #b08adb;
    --accent-lavender: #b08adb;
    --accent-pink: #ff7bd5;
    --accent-cyan: #77f0ff;
    --accent-gold: #ffd580;
    --accent-white: #f0ebff;
    --highlight: #c49bff;
    --text-primary: #ede6ff;
    --text-secondary: #c8bce2;
    --text-dim: #8878a8;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow: 0 6px 30px rgba(10, 5, 22, 0.65);
    --glow-border: 0 0 24px rgba(176, 138, 219, 0.15);
    --glow-strong: 0 0 36px rgba(176, 138, 219, 0.25);
    --font-pixel: 'Silkscreen', cursive;
    --font-display: 'Pixelify Sans', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background-color: var(--bg-deep);
    background-image: radial-gradient(rgba(176, 138, 219, 0.045) 1px, transparent 1px);
    background-size: 24px 24px;
    color: var(--text-primary);
    font-family: 'Space Mono', monospace;
    font-size: 0.95rem;
    line-height: 1.65;
    overflow-x: clip;
}

::selection {
    background: var(--accent-lavender);
    color: var(--bg-deep);
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

button {
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
}

/* ── Typography ──────────────────────────────────────────────── */
h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--accent-white);
    line-height: 1.3;
}

h1 {
    font-size: 2rem;
    letter-spacing: 2.5px;
}

h2 {
    font-size: 1.4rem;
    letter-spacing: 2px;
}

h3 {
    font-size: 1.1rem;
    letter-spacing: 1.5px;
}

p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 12px;
}

    p:last-child {
        margin-bottom: 0;
    }

code {
    font-family: 'Space Mono', monospace;
    font-size: 0.82rem;
    background: var(--bg-inner);
    padding: 3px 8px;
    border-radius: 5px;
    color: var(--accent-cyan);
}

label {
    font-family: var(--font-pixel);
    font-size: 0.75rem;
    color: var(--text-dim);
    letter-spacing: 2px;
    text-transform: lowercase;
    display: block;
    margin-bottom: 6px;
}

/* ── Layout ──────────────────────────────────────────────────── */
main {
    padding: 0 20px 60px;
}

.section {
    max-width: 960px;
    margin: 0 auto 50px;
}

.container {
    margin: 0 auto;
    padding: 0 16px;
}

/* ── Gradient Text ───────────────────────────────────────────── */
.gradient-text {
    background: linear-gradient(135deg, var(--accent-lavender) 0%, var(--accent-pink) 30%, var(--accent-cyan) 60%, var(--accent-gold) 100%);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 6s ease infinite;
}

@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* ── Navbar ──────────────────────────────────────────────────── */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(15, 10, 30, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 3px solid var(--border-soft);
}

.nav-stripe {
    height: 4px;
    background: linear-gradient(90deg, var(--accent-lavender) 0%, var(--accent-pink) 35%, var(--accent-cyan) 65%, var(--accent-gold) 100%);
    opacity: 0.8;
}

.nav-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.nav-glyph-img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 2.5px solid var(--border-soft);
    object-fit: cover;
    flex-shrink: 0;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.nav-brand:hover .nav-glyph-img {
    border-color: var(--accent-lavender);
    box-shadow: 0 0 20px rgba(176, 138, 219, 0.5);
    transform: rotate(6deg) scale(1.08);
}

.nav-brand-text {
    display: flex;
    flex-direction: column;
}

.nav-title {
    font-family: var(--font-pixel);
    font-size: 1.1rem;
    color: var(--accent-white);
    letter-spacing: 2px;
    line-height: 1;
}

.blink {
    animation: cursor-blink 1s step-end infinite;
    color: var(--accent-lavender);
}

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

    50% {
        opacity: 0;
    }
}

.nav-sub {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.6rem;
    color: var(--text-dim);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-top: 3px;
}

.nav-pulse {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #a0e080;
    box-shadow: 0 0 8px rgba(160, 224, 128, 0.6);
    animation: pulse-dot 2s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 8px rgba(160, 224, 128, 0.6);
    }

    50% {
        opacity: 0.5;
        box-shadow: 0 0 3px rgba(160, 224, 128, 0.2);
    }
}

.nav-links {
    display: flex;
    gap: 6px;
}

    .nav-links a {
        font-family: var(--font-pixel);
        font-size: 0.92rem;
        color: var(--text-dim);
        letter-spacing: 1.5px;
        padding: 8px 18px;
        border-radius: var(--radius-md);
        border: 2.5px solid transparent;
        position: relative;
        transition: all 0.25s ease;
    }

        .nav-links a::before,
        .nav-links a::after {
            font-family: 'Space Mono', monospace;
            font-size: 0.95rem;
            color: var(--accent-lavender);
            opacity: 0;
            transition: opacity 0.25s, transform 0.25s;
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
        }

        .nav-links a::before {
            content: '[';
            left: 3px;
            transform: translateY(-50%) translateX(-4px);
        }

        .nav-links a::after {
            content: ']';
            right: 3px;
            transform: translateY(-50%) translateX(4px);
        }

        .nav-links a:hover {
            color: var(--accent-white);
            border-color: var(--border-soft);
            background: rgba(176, 138, 219, 0.08);
        }

            .nav-links a:hover::before,
            .nav-links a:hover::after {
                opacity: 1;
                transform: translateY(-50%) translateX(0);
            }

        .nav-links a.active {
            color: var(--accent-lavender);
            border-color: rgba(176, 138, 219, 0.2);
            background: rgba(176, 138, 219, 0.06);
        }

            .nav-links a.active::before,
            .nav-links a.active::after {
                opacity: 0.7;
                transform: translateY(-50%) translateX(0);
            }

            .nav-links a.active:hover {
                color: var(--accent-white);
                border-color: var(--border-soft);
                background: rgba(176, 138, 219, 0.1);
            }

                .nav-links a.active:hover::before,
                .nav-links a.active:hover::after {
                    opacity: 1;
                }

/* ── Burger ── */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
    cursor: pointer;
    border: 2.5px solid var(--border-soft);
    border-radius: var(--radius-md);
    transition: border-color 0.2s;
}

    .burger:hover {
        border-color: var(--border-glow);
    }

    .burger span {
        display: block;
        width: 22px;
        height: 3px;
        background: var(--text-secondary);
        border-radius: 2px;
        transition: all 0.3s ease;
    }

    .burger.open {
        border-color: var(--accent-lavender);
    }

        .burger.open span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .burger.open span:nth-child(2) {
            opacity: 0;
        }

        .burger.open span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

/* ── Mobile Menu ── */
.mobile-menu {
    display: none;
    flex-direction: column;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    border-top: 2px solid var(--border-soft);
}

    .mobile-menu.open {
        max-height: 300px;
    }

    .mobile-menu a {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 14px 20px;
        font-family: var(--font-pixel);
        font-size: 0.88rem;
        color: var(--text-secondary);
        letter-spacing: 1.5px;
        border-bottom: 2px solid var(--border-soft);
        transition: background 0.2s, color 0.2s;
    }

        .mobile-menu a::before {
            content: '▸';
            color: var(--text-dim);
            font-size: 0.65rem;
            transition: color 0.2s;
        }

        .mobile-menu a:hover {
            background: rgba(176, 138, 219, 0.08);
            color: var(--accent-white);
        }

            .mobile-menu a:hover::before {
                color: var(--accent-lavender);
            }

        .mobile-menu a.active {
            color: var(--accent-lavender);
            background: rgba(176, 138, 219, 0.06);
            border-left: 3px solid var(--accent-lavender);
        }

            .mobile-menu a.active::before {
                color: var(--accent-lavender);
            }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: var(--radius-md);
    font-family: var(--font-pixel);
    font-size: 0.78rem;
    letter-spacing: 1.5px;
    text-transform: lowercase;
    text-decoration: none;
    border: 2.5px solid transparent;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.btn-lg {
    padding: 15px 30px;
    font-size: 0.88rem;
    letter-spacing: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-lavender), var(--highlight));
    color: #0f0a1e;
    border-color: rgba(176, 138, 219, 0.5);
}

    .btn-primary:hover {
        box-shadow: var(--glow-strong);
        transform: translateY(-2px);
    }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-soft);
}

    .btn-ghost:hover {
        border-color: var(--border-glow);
        color: var(--accent-white);
        background: rgba(176, 138, 219, 0.08);
    }

.btn.danger {
    color: var(--accent-pink);
    border-color: rgba(255, 123, 213, 0.35);
}

    .btn.danger:hover {
        background: rgba(255, 123, 213, 0.12);
        border-color: var(--accent-pink);
        color: #fff;
    }

.btn.btn-primary.danger {
    background: linear-gradient(135deg, #ff7bd5, #e84393);
    border-color: rgba(255, 123, 213, 0.5);
    color: #fff;
}

    .btn.btn-primary.danger:hover {
        box-shadow: 0 0 24px rgba(255, 123, 213, 0.35);
    }

/* ── Tags ────────────────────────────────────────────────────── */
.tag {
    display: inline-block;
    padding: 4px 12px;
    border: 2.5px solid var(--border-soft);
    border-radius: 20px;
    font-family: var(--font-pixel);
    font-size: 0.62rem;
    color: var(--text-dim);
    letter-spacing: 1.5px;
    text-transform: lowercase;
    white-space: nowrap;
    text-decoration: none;
    position: relative;
    z-index: 4;
    transition: border-color 0.2s, color 0.2s, background 0.2s, box-shadow 0.2s;
}

a.tag:hover {
    border-color: var(--accent-lavender);
    color: var(--accent-white);
    background: rgba(176, 138, 219, 0.15);
    box-shadow: 0 0 12px rgba(176, 138, 219, 0.15);
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

/* ── Section Labels ──────────────────────────────────────────── */
.section-label {
    font-family: var(--font-pixel);
    font-size: 1.5rem;
    color: var(--text-dim);
    letter-spacing: 4px;
    text-transform: lowercase;
    margin-bottom: 6px;
    opacity: 0.8;
    transition: opacity 0.2s;
}

    .section-label::before {
        content: '// ';
    }

    .section-label:hover {
        opacity: 1;
    }

.section-sub {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.content-heading {
    font-family: var(--font-pixel);
    font-size: 1rem;
    color: var(--accent-lavender);
    letter-spacing: 2px;
    text-transform: lowercase;
    margin: 32px 0 14px;
    padding-bottom: 10px;
    border-bottom: 2.5px solid var(--border-soft);
    display: flex;
    align-items: center;
    gap: 8px;
}

    .content-heading:first-child {
        margin-top: 0;
    }

    .content-heading::before {
        content: '//';
        color: var(--text-dim);
        font-size: 0.85rem;
    }

/* ── Markdown ────────────────────────────────────────────────── */
.markdown {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

    .markdown p {
        margin: 0 0 12px;
    }

        .markdown p:last-child {
            margin: 0;
        }

    .markdown a {
        color: var(--accent-cyan);
        text-decoration: underline;
        text-decoration-color: rgba(119, 240, 255, 0.35);
        text-decoration-thickness: 2px;
    }

        .markdown a:hover {
            text-decoration-color: var(--accent-cyan);
        }

    .markdown strong {
        color: var(--accent-white);
    }

    .markdown em {
        font-style: italic;
        color: var(--text-primary);
    }

    .markdown ul,
    .markdown ol {
        padding-left: 22px;
        margin-bottom: 12px;
    }

    .markdown li {
        margin-bottom: 5px;
    }

    .markdown code {
        background: var(--bg-inner);
        padding: 3px 8px;
        border-radius: 5px;
        font-size: 0.82rem;
        color: var(--accent-cyan);
    }

    .markdown pre {
        background: var(--bg-inner);
        border: 2px solid var(--border-soft);
        border-radius: var(--radius-md);
        padding: 16px;
        overflow-x: auto;
        margin-bottom: 12px;
    }

        .markdown pre code {
            background: none;
            padding: 0;
        }

    .markdown.clamp {
        display: -webkit-box;
        -webkit-line-clamp: 4;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

/* ── Form Elements ───────────────────────────────────────────── */
input[type="text"],
input[type="password"],
input[type="email"],
input[type="url"],
input[type="number"],
input[type="tel"],
textarea,
select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-inner);
    border: 2.5px solid var(--border-soft);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.4;
    transition: border-color 0.2s, box-shadow 0.2s;
}

    input[type="text"]:focus,
    input[type="password"]:focus,
    input[type="email"]:focus,
    input[type="url"]:focus,
    input[type="number"]:focus,
    input[type="tel"]:focus,
    textarea:focus,
    select:focus {
        outline: none;
        border-color: var(--border-glow);
        box-shadow: 0 0 16px rgba(176, 138, 219, 0.18);
    }

    input::placeholder,
    textarea::placeholder {
        color: var(--text-dim);
        opacity: 0.6;
    }

textarea {
    resize: vertical;
    min-height: 80px;
}

select,
select.select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23b08adb' stroke-width='2' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    cursor: pointer;
}

/* ── Footer ──────────────────────────────────────────────────── */
footer {
    border-top: none;
    padding: 0 20px 30px;
    margin-top: 60px;
}

.footer-stripe {
    height: 4px;
    background: linear-gradient(90deg, var(--accent-lavender) 0%, var(--accent-pink) 35%, var(--accent-cyan) 65%, var(--accent-gold) 100%);
    opacity: 0.5;
    margin-bottom: 24px;
}

.footer-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-text {
    font-family: 'Space Mono', monospace;
    font-size: 0.72rem;
    color: var(--text-dim);
    letter-spacing: 1.5px;
}

.footer-note {
    font-family: 'Space Mono', monospace;
    font-size: 0.72rem;
    color: var(--text-dim);
    letter-spacing: 1px;
    line-height: 1.6;
    text-align: right;
}

    .footer-note a {
        color: var(--accent-cyan);
        text-decoration: underline;
        text-decoration-color: rgba(119, 240, 255, 0.35);
        text-decoration-thickness: 2px;
        transition: text-decoration-color 0.2s, color 0.2s;
    }

        .footer-note a:hover {
            text-decoration-color: var(--accent-cyan);
            color: var(--accent-white);
        }

/* ── Age Gate ────────────────────────────────────────────────── */
.age-gate {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(10, 5, 20, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

    .age-gate[aria-hidden="true"] {
        display: none;
    }

.age-card {
    background: var(--bg-panel);
    border: 3px solid var(--border-glow);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    max-width: 440px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow), var(--glow-border);
}

.age-badge {
    font-family: var(--font-pixel);
    font-size: 1.6rem;
    color: var(--accent-pink);
    margin-bottom: 14px;
    text-shadow: 0 0 24px rgba(255, 123, 213, 0.3);
}

.age-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
}

    .age-actions .btn {
        width: 100%;
        justify-content: center;
    }

/* ── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-inner);
}

::-webkit-scrollbar-thumb {
    background: var(--border-soft);
    border-radius: 4px;
}

    ::-webkit-scrollbar-thumb:hover {
        background: var(--border-glow);
    }

/* ── Screen Reader Only ──────────────────────────────────────── */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ── Shared Animations ───────────────────────────────────────── */
@keyframes card-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes letter-hue {
    0%, 100% {
        filter: hue-rotate(0deg);
    }

    50% {
        filter: hue-rotate(30deg);
    }
}

/* ── Global Responsive ───────────────────────────────────────── */
@media (max-width: 860px) {
    .nav-links {
        display: none;
    }

    .burger {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }
}

@media (max-width: 640px) {
    main {
        padding: 0 14px 40px;
    }

    .btn-lg {
        padding: 13px 24px;
        font-size: 0.82rem;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-note {
        text-align: center;
        max-width: none;
    }
}