/* 1. DESIGN TOKENS */
:root {
    --bg: #101010; /* Matte Black */
    --text: #e0e0e0; /* Off-White */
    --dim: #666; /* Muted Text */
    --accent: #ff4400; /* International Orange */
    --border: 1px solid #2a2a2a; /* Subtle Grid Lines */

    --bg-shape-accent: rgba(255, 68, 0, 0.09);
    --bg-shape-ink: rgba(224, 224, 224, 0.06);
    --bg-shape-ink-soft: rgba(224, 224, 224, 0.03);
    --bg-shape-blur: 70px;
    --bg-shape-opacity: 0.55;

    --sidebar-width: 250px; /* Fixed width for stability */

    --font-sans: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
    --font-display: var(--font-sans);
}

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

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    line-height: 1.5;
    overflow-x: hidden;
    isolation: isolate;
}

body::before {
    content: "";
    position: fixed;
    inset: -20vmax;
    pointer-events: none;
    z-index: 0;
    opacity: var(--bg-shape-opacity);
    filter: blur(var(--bg-shape-blur));
    transform-origin: 52% 46%;
    animation: bg-drift-1 22s ease-in-out infinite alternate;
    background:
        radial-gradient(900px 700px at 18% 18%, var(--bg-shape-accent), transparent 62%),
        radial-gradient(1000px 800px at 86% 70%, var(--bg-shape-ink-soft), transparent 64%),
        radial-gradient(700px 600px at 62% 32%, var(--bg-shape-ink), transparent 58%),
        conic-gradient(from 210deg at 52% 46%,
            transparent 0deg,
            rgba(255, 68, 0, 0.05) 55deg,
            transparent 120deg,
            rgba(224, 224, 224, 0.035) 200deg,
            transparent 280deg,
            rgba(255, 68, 0, 0.035) 330deg,
            transparent 360deg
        );
    background-repeat: no-repeat;
}

body::after {
    content: "";
    position: fixed;
    inset: -22vmax;
    pointer-events: none;
    z-index: 0;
    opacity: calc(var(--bg-shape-opacity) * 0.45);
    filter: blur(calc(var(--bg-shape-blur) + 25px));
    transform-origin: 36% 58%;
    animation: bg-drift-2 31s ease-in-out infinite alternate;
    background:
        radial-gradient(900px 700px at 72% 18%, rgba(255, 68, 0, 0.06), transparent 66%),
        radial-gradient(700px 520px at 26% 70%, rgba(224, 224, 224, 0.03), transparent 62%);
    background-repeat: no-repeat;
    mix-blend-mode: screen;
}

@keyframes bg-drift-1 {
    0% { transform: translate3d(-1.8%, -1.2%, 0) rotate(-0.6deg) scale(1.02); }
    50% { transform: translate3d(1.2%, -0.4%, 0) rotate(0.4deg) scale(1.01); }
    100% { transform: translate3d(2.4%, 1.6%, 0) rotate(0.9deg) scale(1.03); }
}

@keyframes bg-drift-2 {
    0% { transform: translate3d(1.2%, 1.4%, 0) rotate(0.3deg) scale(1.01); }
    50% { transform: translate3d(-0.8%, 0.2%, 0) rotate(-0.4deg) scale(1.02); }
    100% { transform: translate3d(-2.0%, -1.6%, 0) rotate(-0.8deg) scale(1.03); }
}

@media (prefers-contrast: more) {
    body::before,
    body::after {
        opacity: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    body::before,
    body::after {
        animation: none;
    }
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent);
}

.accent {
    color: var(--accent);
}

/* 2. LAYOUT GRID */
.layout-wrapper {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr; /* Sidebar | Content */
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* 3. STICKY SIDEBAR (Logo + Nav) */
.sidebar {
    border-right: var(--border);
    height: 100vh;
    position: sticky;
    top: 0;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 10;
    background-color: var(--bg); /* Prevents content bleeding through */
    background-image:
        radial-gradient(120% 140% at 20% 0%, rgba(255, 68, 0, 0.035), transparent 55%),
        radial-gradient(120% 140% at 90% 100%, rgba(224, 224, 224, 0.02), transparent 60%);
    overflow: hidden;
    isolation: isolate;
}

.sidebar::before {
    content: "";
    position: absolute;
    inset: -30% -40%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.62;
    filter: blur(30px) saturate(1.12);
    transform-origin: 22% 18%;
    animation: sidebar-drift 14s ease-in-out infinite alternate;
    background:
        radial-gradient(520px 420px at 22% 18%, rgba(255, 68, 0, 0.10), transparent 66%),
        radial-gradient(620px 520px at 70% 78%, rgba(224, 224, 224, 0.038), transparent 68%),
        conic-gradient(from 210deg at 30% 30%,
            transparent 0deg,
            rgba(255, 68, 0, 0.06) 70deg,
            transparent 140deg,
            rgba(224, 224, 224, 0.035) 220deg,
            transparent 360deg
        );
    mix-blend-mode: screen;
}

.sidebar::after {
    content: "";
    position: absolute;
    inset: -10% -18%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.22;
    filter: blur(10px);
    animation: sidebar-sheen 9s ease-in-out infinite alternate;
    background:
        radial-gradient(340px 280px at 10% 62%, rgba(255, 68, 0, 0.07), transparent 62%),
        radial-gradient(520px 340px at 86% 18%, rgba(224, 224, 224, 0.03), transparent 65%),
        linear-gradient(90deg, transparent 0%, rgba(224, 224, 224, 0.02) 45%, transparent 60%);
    mix-blend-mode: screen;
    mask-image: linear-gradient(180deg, transparent 0%, #000 18%, #000 82%, transparent 100%);
}

.sidebar > * {
    position: relative;
    z-index: 1;
}

@keyframes sidebar-drift {
    0% { transform: translate3d(-3.6%, -2.4%, 0) rotate(-0.8deg) scale(1.03); }
    100% { transform: translate3d(3.0%, 2.2%, 0) rotate(0.9deg) scale(1.05); }
}

@keyframes sidebar-sheen {
    0% { transform: translate3d(-4%, -2%, 0) rotate(-0.5deg); }
    100% { transform: translate3d(4%, 2%, 0) rotate(0.6deg); }
}

@media (prefers-reduced-motion: reduce) {
    .sidebar::before,
    .sidebar::after {
        animation: none;
    }
}

/* THE LOGO */
.brand-logo {
    display: block;
    width: 48px;
    height: 48px;
    margin-bottom: 2rem;
    position: relative;
}

.brand-logo__img {
    width: 100%;
    height: 100%;
    display: block;
}

.brand-logo::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--accent);
    opacity: 0;
    transition: opacity 420ms cubic-bezier(0.22, 1, 0.36, 1);
    -webkit-mask-image: url("assets/logo.svg");
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-size: 100% 100%;
    -webkit-mask-position: center;
    mask-image: url("assets/logo.svg");
    mask-repeat: no-repeat;
    mask-size: 100% 100%;
    mask-position: center;
}

@media (prefers-reduced-motion: reduce) {
    .brand-logo::after {
        transition: none;
    }
}

.brand-logo:hover::after {
    opacity: 1;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.meta-info {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--dim);
}

/* 4. MAIN CONTENT AREA */
.main-content {
    width: 100%;
}

/* A. HERO SECTION (The Poster) */
.hero {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end; /* Text at bottom */
    padding: 4rem;
    border-bottom: var(--border);
    position: relative;
}

.big-title {
    font-size: clamp(3rem, 9vw, 10rem); /* Responsive scaling */
    line-height: 0.85;
    font-weight: 700;
    letter-spacing: -0.03em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.hero-sub {
    font-family: var(--font-mono);
    color: var(--accent);
    margin-bottom: 2rem;
    display: block;
}

.hero-lede {
    max-width: 52ch;
    color: var(--dim);
    font-size: 1rem;
}

.hero-quicklinks {
    margin-top: 1.5rem;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--dim);
}

/* B. FEED / LIST SECTION */
.feed-section {
    padding: 0;
}

.feed-header {
    padding: 1rem 4rem;
    border-bottom: var(--border);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--dim);
    position: sticky;
    top: 0;
    background: var(--bg);
    z-index: 5;
}

/* The "Article" Row */
.entry-row {
    display: grid;
    grid-template-columns: 100px 1fr auto; /* Date | Title | Arrow */
    padding: 3rem 4rem;
    border-bottom: var(--border);
    align-items: baseline;
    transition: background 0.2s;
    cursor: pointer;
}

.entry-row:hover {
    background: #141414;
}

.entry-row:hover .entry-title {
    transform: translateX(15px); /* Slide effect */
    color: var(--accent);
}

.entry-date {
    font-family: var(--font-mono);
    color: var(--dim);
    font-size: 0.9rem;
}

.entry-title {
    font-size: 2.5rem;
    font-weight: 400;
    transition: transform 0.3s ease;
    line-height: 1;
}

.entry-tag {
    font-size: 0.75rem;
    border: 1px solid var(--dim);
    padding: 2px 8px;
    border-radius: 50px;
    color: var(--dim);
    margin-left: 1rem;
    vertical-align: middle;
}

.entry-arrow {
    font-size: 1.5rem;
    color: var(--dim);
    opacity: 0;
    transition: opacity 0.2s;
}

.entry-row:hover .entry-arrow {
    opacity: 1;
    color: var(--accent);
}

/* Post body */
.post {
    padding: 3rem 4rem;
}

.post-content {
    max-width: 72ch;
}

.post-content > * + * {
    margin-top: 1rem;
}

.post-content h2,
.post-content h3 {
    margin-top: 2.25rem;
    line-height: 1.1;
}

.post-content a {
    text-decoration: underline;
    text-decoration-color: rgba(255, 68, 0, 0.35);
    text-underline-offset: 3px;
}

/* 5. RESPONSIVE BREAKPOINTS */
@media (max-width: 768px) {
    .layout-wrapper {
        grid-template-columns: 1fr;
    }

    .sidebar {
        height: auto;
        position: relative;
        flex-direction: row;
        align-items: center;
        border-bottom: var(--border);
        border-right: none;
        padding: 1.5rem;
    }

    .meta-info {
        display: none;
    }

    .nav-links {
        flex-direction: row;
        gap: 1.5rem;
    }

    .hero {
        padding: 2rem 1.5rem;
        min-height: 60vh;
    }

    .feed-header {
        padding: 1rem 1.5rem;
    }

    .entry-row {
        grid-template-columns: 1fr;
        padding: 2rem 1.5rem;
        gap: 0.5rem;
    }

    .entry-date {
        margin-bottom: 0.5rem;
        display: block;
    }

    .entry-title {
        font-size: 2rem;
    }

    .entry-arrow {
        display: none;
    }

    .post {
        padding: 2rem 1.5rem;
    }
}

/* 7. CONTACT */
.contact-section {
    border-top: var(--border);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.contact-block {
    padding: 3rem 4rem;
}

.contact-block + .contact-block {
    border-left: var(--border);
}

.contact-kicker {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--dim);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.contact-links {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact-link {
    font-size: 1.25rem;
    line-height: 1.1;
}

.contact-link:hover {
    transform: translateX(10px);
    transition: transform 0.25s ease, color 0.2s;
}

.contact-form {
    margin-top: 1.5rem;
    display: grid;
    gap: 0.85rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    background: rgba(16, 16, 16, 0.55);
    border: 1px solid #2a2a2a;
    color: var(--text);
    padding: 0.85rem 0.9rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    outline: none;
}

.contact-form textarea {
    resize: vertical;
    min-height: 10rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: rgba(255, 68, 0, 0.55);
}

.contact-submit {
    justify-self: start;
    background: transparent;
    color: var(--text);
    border: 1px solid #2a2a2a;
    padding: 0.65rem 1rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s, transform 0.25s ease;
}

.contact-submit:hover {
    color: var(--accent);
    border-color: rgba(255, 68, 0, 0.55);
    transform: translateX(8px);
}

.contact-note {
    margin-top: 1rem;
    color: var(--dim);
    font-size: 0.9rem;
    max-width: 60ch;
}

.contact-hp {
    display: none;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-block {
        padding: 2rem 1.5rem;
    }

    .contact-block + .contact-block {
        border-left: none;
        border-top: var(--border);
    }
}