/* ==========================================================================
   Dara Nanisyamkumar — "Field Journal" design system
   Editorial research-notebook aesthetic: warm paper, ink type, deep emerald
   accent (biology), gold micro-highlights, mono field labels.
   ========================================================================== */

:root {
    /* Surfaces */
    --paper: #f5f4ee;
    --paper-raised: #fdfcf8;
    --paper-sunken: #eeece4;

    /* Ink */
    --ink: #161b16;
    --ink-soft: #3f473f;
    --muted: #7e867c;

    /* Accent — deep emerald (life sciences), not generic tech blue */
    --accent: #0e6b4a;
    --accent-strong: #0a5238;
    --accent-soft: #dfeee5;
    --accent-line: rgba(14, 107, 74, 0.28);

    /* Warm highlight — used sparingly (ornaments, dots) */
    --gold: #c07a2a;

    /* Lines & states */
    --line: rgba(22, 27, 22, 0.1);
    --line-strong: rgba(22, 27, 22, 0.18);
    --danger: #b3432b;
    --danger-soft: #f9e4de;
    --ok: #1d6b43;
    --ok-soft: #dcf0e3;

    /* Type */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, 'Segoe UI', sans-serif;
    --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

    /* Rhythm (1-4-9 system: 4px base) */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-9: 2.25rem;
    --space-12: 3rem;
    --space-16: 4rem;

    --radius-s: 8px;
    --radius-m: 14px;
    --radius-l: 22px;

    --shadow-1: 0 1px 2px rgba(22, 27, 22, 0.05), 0 4px 14px rgba(22, 27, 22, 0.05);
    --shadow-2: 0 2px 6px rgba(22, 27, 22, 0.07), 0 18px 40px rgba(22, 27, 22, 0.1);

    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset / base ---------- */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--paper);
    color: var(--ink);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    font-size: 1rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* Lab-notebook graph paper, fading toward the fold */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        linear-gradient(to right, rgba(22, 27, 22, 0.032) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(22, 27, 22, 0.032) 1px, transparent 1px);
    background-size: 44px 44px;
    -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 90%);
    mask-image: linear-gradient(to bottom, black 0%, transparent 90%);
    pointer-events: none;
}

::selection {
    background: var(--accent-soft);
    color: var(--accent-strong);
}

img {
    max-width: 100%;
    height: auto;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ---------- Ambient background (kept class names, new character) ---------- */

.background-glow,
.ambient-background {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

/* Restrained emerald wash from the top */
.glow-orange,
.glow-primary {
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 110%;
    height: 70%;
    background: radial-gradient(ellipse at center, rgba(14, 107, 74, 0.13) 0%, rgba(14, 107, 74, 0) 62%);
    filter: blur(50px);
}

/* Warm paper vignette at the edges */
.glow-blue {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 90% 60% at 50% 0%, transparent 55%, rgba(192, 122, 42, 0.05) 100%);
}

/* ---------- Header / nav ---------- */

header {
    padding: var(--space-4) var(--space-6);
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 1000;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    background: rgba(253, 252, 248, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    padding: 0.45rem 0.45rem 0.45rem 1.4rem;
    border-radius: 999px;
    width: 100%;
    max-width: 1080px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-1);
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.2;
    flex-shrink: 0;
    white-space: nowrap;
}

.logo a {
    display: inline-flex;
    align-items: center;
    min-height: 2.5rem;
    color: inherit;
    text-decoration: none;
}

.logo a::before {
    content: '';
    width: 9px;
    height: 9px;
    background: var(--accent);
    border-radius: 2px;
    margin-right: 0.6rem;
    transform: rotate(45deg);
    transition: transform 0.4s var(--ease-out), background 0.3s;
}

.logo a:hover::before {
    transform: rotate(225deg);
    background: var(--gold);
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    flex: 1;
}

.nav-links li {
    display: flex;
    align-items: center;
}

.nav-links li.mobile-only {
    display: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--ink-soft);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 0.95rem;
    border-radius: 999px;
    min-height: 2.5rem;
    white-space: nowrap;
    line-height: 1;
    position: relative;
    transition: color 0.25s var(--ease-out), background 0.25s var(--ease-out);
}

.nav-links a:hover {
    color: var(--accent-strong);
    background: rgba(14, 107, 74, 0.07);
}

.nav-links a.active {
    color: var(--accent-strong);
    font-weight: 600;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--gold);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.mobile-only {
    display: none;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    gap: 5px;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 999px;
    flex-shrink: 0;
    border: 1px solid var(--line);
    background: transparent;
    transition: background 0.25s;
}

.hamburger:hover {
    background: rgba(22, 27, 22, 0.05);
}

.hamburger span {
    width: 18px;
    height: 2px;
    background-color: var(--ink);
    border-radius: 2px;
    transition: transform 0.3s var(--ease-out), opacity 0.2s;
    display: block;
}

.hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Buttons ---------- */

.btn {
    padding: 0.68rem 1.4rem;
    border-radius: 999px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: var(--font-sans);
    transition: transform 0.35s var(--ease-out), background 0.25s, border-color 0.25s, box-shadow 0.35s var(--ease-out), color 0.25s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    line-height: 1;
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--ink);
    color: var(--paper-raised) !important;
    border-color: var(--ink);
}

.btn-primary:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(14, 107, 74, 0.25);
}

.btn-secondary {
    background: transparent;
    color: var(--ink);
    border-color: var(--line-strong);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent-strong);
    background: rgba(14, 107, 74, 0.06);
    transform: translateY(-2px);
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* ---------- Shared editorial elements ---------- */

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}

.eyebrow::before {
    content: '';
    width: 7px;
    height: 7px;
    background: var(--gold);
    transform: rotate(45deg);
    flex-shrink: 0;
}

.rule {
    height: 1px;
    background: var(--line);
    border: none;
}

/* ---------- Home hero ---------- */

body.home-page {
    overflow: hidden;
    height: 100vh;
}

body.home-page main {
    display: flex;
    align-items: center;
    justify-content: center;
    height: calc(100vh - 80px); /* Account for nav approx height */
    padding-bottom: 2rem;
}

/* Allow scrolling on mobile or very short desktop screens so content doesn't get cut off */
@media (max-width: 768px), (max-height: 700px) {
    body.home-page {
        overflow: auto;
        height: auto;
    }
    body.home-page main {
        height: auto;
        min-height: calc(100vh - 80px);
        padding-top: var(--space-9);
        padding-bottom: var(--space-12);
    }
}

.hero {
    text-align: center;
    padding: 0 var(--space-6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    animation: rise 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.hero .eyebrow {
    margin-bottom: var(--space-6);
    font-size: 0.95rem;
    letter-spacing: 0.1em;
}

.title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 7.5vw, 5.5rem);
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.05;
    margin: 0 0 calc(var(--space-6) - 0.2em); /* Offset the padding below */
    padding-bottom: 0.2em; /* Prevents clipping of descenders (like 'g') with background-clip */
    text-wrap: balance;
    background: linear-gradient(135deg, var(--ink) 0%, var(--ink-soft) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title em {
    font-style: italic;
    display: inline-block; /* Crucial: Allows padding to physically expand the background-clip area */
    padding-bottom: 0.2em;
    padding-right: 0.15em; 
    background: linear-gradient(135deg, var(--accent) 0%, #e85d04 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.description {
    font-size: 1.12rem;
    color: var(--ink-soft);
    max-width: 580px;
    margin: 0 auto var(--space-4);
    line-height: 1.65;
    text-wrap: pretty;
}

.description p + p {
    margin-top: var(--space-4);
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-6);
    flex-wrap: wrap;
    justify-content: center;
}

.hero-actions .btn-primary {
    box-shadow: 0 8px 20px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.hero-actions .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.15), inset 0 1px 0 rgba(255,255,255,0.2);
    background: #2a2a2a;
}

.hero-note {
    margin-top: var(--space-9);
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.05rem;
    color: var(--muted);
    max-width: 460px;
    line-height: 1.5;
}

/* Meta strip under the hero */
.hero-meta {
    display: flex;
    justify-content: center;
    gap: var(--space-6);
    flex-wrap: wrap;
    padding: 0;
    margin-top: var(--space-12);
    max-width: 800px;
}

.hero-meta-item {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-soft);
    display: flex;
    align-items: center;
    gap: 0.55rem;
    background: rgba(255, 255, 255, 0.4);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.hero-meta-item::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

/* Three lanes: research / software / open repos */
.lanes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    max-width: 1120px;
    margin: 0 auto;
    padding: var(--space-4) var(--space-6) var(--space-6);
    gap: var(--space-6);
    position: relative;
    z-index: 2;
}

.lane {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-l);
    padding: var(--space-9);
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
    position: relative;
}

.lane:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.06);
    border-color: rgba(255, 255, 255, 1);
}

.lane-index {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    color: var(--gold);
    margin-bottom: var(--space-4);
}

.lane-title {
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-4);
}

.lane-text {
    color: var(--ink-soft);
    font-size: 0.97rem;
    line-height: 1.6;
}

/* Section heading (home latest, etc.) */
.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-4);
    max-width: 1080px;
    margin: 0 auto var(--space-9);
    padding: 0 var(--space-6);
    width: 100%;
}

.section-head h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 500;
    letter-spacing: -0.01em;
}

.section-head .more-link {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--accent);
    white-space: nowrap;
    border-bottom: 1px solid var(--accent-line);
    padding-bottom: 2px;
    transition: color 0.25s, border-color 0.25s;
}

.section-head .more-link:hover {
    color: var(--accent-strong);
    border-color: var(--accent-strong);
}

.home-latest {
    padding: var(--space-9) 0 var(--space-16);
    border-top: 1px solid var(--line);
    position: relative;
    z-index: 2;
}

/* ---------- Footer ---------- */

.site-footer {
    margin-top: auto;
    border-top: 1px solid var(--line);
    padding: var(--space-4) var(--space-6);
    text-align: center;
    position: relative;
    z-index: 2;
    background: rgba(253, 252, 248, 0.5);
}



.footer-social {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    color: var(--ink-soft);
    border: 1px solid transparent;
    transition: color 0.25s, border-color 0.25s, transform 0.35s var(--ease-out), background 0.25s;
}

.footer-social a:hover {
    color: var(--accent-strong);
    border-color: var(--accent-line);
    background: var(--accent-soft);
    transform: translateY(-3px);
}

.footer-copy {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    color: var(--muted);
    text-transform: uppercase;
}

/* ---------- Page heroes (blog / resources / about) ---------- */

.page-hero,
.blog-hero,
.resources-hero {
    padding: var(--space-12) var(--space-6) var(--space-9);
    text-align: center;
    max-width: 780px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    animation: rise 0.7s var(--ease-out) both;
}

.page-hero .eyebrow,
.blog-hero .eyebrow,
.resources-hero .eyebrow {
    margin-bottom: var(--space-4);
    justify-content: center;
}

.page-hero .title,
.blog-hero .title,
.resources-hero .title {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
}

/* ---------- Blog grid & cards ---------- */

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
    gap: var(--space-6);
    padding: 0 var(--space-6) var(--space-16);
    max-width: 1080px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 2;
}

.blog-card {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-width: 0;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow-1);
    transition: transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease-out), border-color 0.3s;
    animation: rise 0.6s var(--ease-out) both;
}

/* Staggered entrance */
.blog-grid > .blog-card:nth-child(1) { animation-delay: 0.05s; }
.blog-grid > .blog-card:nth-child(2) { animation-delay: 0.11s; }
.blog-grid > .blog-card:nth-child(3) { animation-delay: 0.17s; }
.blog-grid > .blog-card:nth-child(4) { animation-delay: 0.23s; }
.blog-grid > .blog-card:nth-child(5) { animation-delay: 0.29s; }
.blog-grid > .blog-card:nth-child(6) { animation-delay: 0.35s; }
.blog-grid > .blog-card:nth-child(n+7) { animation-delay: 0.41s; }

.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-2);
    border-color: var(--accent-line);
}

.blog-thumbnail-wrapper {
    width: 100%;
    height: 170px;
    overflow: hidden;
    position: relative;
    background: var(--paper-sunken);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-bottom: 1px solid var(--line);
}

.blog-thumbnail {
    width: 100%;
    height: 100%;
    max-width: 100%;
    object-fit: contain;
    padding: var(--space-4);
    transition: transform 0.6s var(--ease-out);
}

.blog-card:hover .blog-thumbnail {
    transform: scale(1.05);
}

.blog-content {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    gap: 0.4rem;
}

.blog-meta {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.35rem;
    font-weight: 500;
    line-height: 1.5;
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem 0.5rem;
    align-items: center;
}

.blog-meta .meta-date {
    color: var(--muted);
}

.blog-title {
    font-size: 1.25rem;
    margin-bottom: 0.35rem;
    font-family: var(--font-serif);
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.3;
    overflow-wrap: anywhere;
    transition: color 0.25s;
}

.blog-card:hover .blog-title {
    color: var(--accent-strong);
}

.blog-excerpt {
    color: var(--ink-soft);
    line-height: 1.6;
    font-size: 0.92rem;
    margin-bottom: var(--space-4);
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-read-more {
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
    transition: gap 0.3s var(--ease-out), color 0.25s;
}

.blog-read-more svg {
    transition: transform 0.3s var(--ease-out);
}

.blog-card:hover .blog-read-more {
    gap: 0.85rem;
    color: var(--accent-strong);
}

.blog-card:hover .blog-read-more svg {
    transform: translateX(2px);
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--muted);
    padding: var(--space-16) var(--space-4);
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.1rem;
}

/* ---------- Single post ---------- */

.post-wrap {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--space-6) var(--space-6) var(--space-16);
    position: relative;
    z-index: 2;
    width: 100%;
    overflow-wrap: anywhere;
    animation: rise 0.7s var(--ease-out) both;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: var(--space-9);
    color: var(--accent);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
    transition: border-color 0.25s, color 0.25s;
}

.back-link:hover {
    border-color: var(--accent-line);
    color: var(--accent-strong);
}

.post-meta {
    font-family: var(--font-mono);
    color: var(--muted);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: var(--space-4);
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 0.6rem;
}

.post-meta .post-cat {
    color: var(--accent);
}

.post-title {
    font-family: var(--font-serif);
    font-size: clamp(1.9rem, 5vw, 2.9rem);
    font-weight: 500;
    letter-spacing: -0.015em;
    line-height: 1.18;
    margin: 0 0 var(--space-4);
    text-wrap: balance;
}

.post-excerpt {
    font-size: 1.15rem;
    color: var(--ink-soft);
    margin-bottom: var(--space-9);
    line-height: 1.6;
    font-family: var(--font-serif);
    font-style: italic;
}

.post-thumb {
    width: 100%;
    max-height: 320px;
    object-fit: contain;
    border-radius: var(--radius-m);
    margin-bottom: var(--space-9);
    background: var(--paper-raised);
    border: 1px solid var(--line);
    padding: var(--space-6);
    display: block;
}

.post-body {
    font-size: 1.06rem;
    line-height: 1.8;
    color: var(--ink-soft);
}

.post-body p {
    margin-bottom: var(--space-6);
}

.post-body h2,
.post-body h3,
.post-body h4 {
    font-family: var(--font-serif);
    color: var(--ink);
    margin: var(--space-9) 0 var(--space-4);
    line-height: 1.3;
}

.post-body ul,
.post-body ol {
    margin: 0 0 var(--space-6) var(--space-6);
}

.post-body li {
    margin-bottom: var(--space-2);
}

.post-body blockquote {
    border-left: 3px solid var(--accent);
    padding: var(--space-2) var(--space-6);
    margin: 0 0 var(--space-6);
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--ink);
}

.post-body img,
.post-body pre,
.post-body table {
    max-width: 100%;
}

.post-body pre {
    overflow-x: auto;
    padding: var(--space-4);
    border-radius: var(--radius-s);
    background: var(--ink);
    color: #d7e4dc;
    font-size: 0.85rem;
    margin-bottom: var(--space-6);
}

.post-body code {
    font-family: var(--font-mono);
    font-size: 0.88em;
    background: var(--paper-sunken);
    padding: 0.1em 0.35em;
    border-radius: 4px;
}

.post-body pre code {
    background: none;
    padding: 0;
}

.post-body a {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-color: var(--accent-line);
    text-underline-offset: 3px;
    transition: color 0.2s, text-decoration-color 0.2s;
}

.post-body a:hover {
    color: var(--accent-strong);
    text-decoration-color: var(--accent-strong);
}

.post-footer-rule {
    margin-top: var(--space-12);
    border: none;
    border-top: 1px solid var(--line);
}

/* ---------- About ---------- */

.about-section {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-9) var(--space-6) var(--space-16);
    position: relative;
    z-index: 2;
    animation: rise 0.7s var(--ease-out) both;
}

.about-container {
    display: flex;
    align-items: center;
    gap: var(--space-16);
    max-width: 1020px;
    margin: 0 auto;
    width: 100%;
}

.about-image-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.about-image-wrapper::before {
    content: '';
    position: absolute;
    inset: 8% -4% -4% 8%;
    border: 1px solid var(--accent-line);
    border-radius: var(--radius-l);
    z-index: -1;
}

.about-image {
    width: 100%;
    max-width: 380px;
    border-radius: var(--radius-l);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-2);
    transition: transform 0.5s var(--ease-out);
}

.about-image:hover {
    transform: translateY(-6px);
}

.about-content {
    flex: 1.25;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.about-content .eyebrow {
    margin-bottom: var(--space-4);
}

.about-content .title {
    font-size: clamp(2.2rem, 4.5vw, 3.2rem);
    margin-bottom: var(--space-6);
}

.about-content .description {
    text-align: left;
    max-width: 100%;
    margin: 0 0 var(--space-9);
    font-size: 1.05rem;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: var(--space-2);
}

.skill-tag {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    padding: 0.45rem 0.95rem;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--ink-soft);
    transition: all 0.3s var(--ease-out);
    cursor: default;
}

.skill-tag:hover {
    transform: translateY(-2px);
    border-color: var(--accent-line);
    color: var(--accent-strong);
    background: var(--accent-soft);
}

/* Story reveal */
.scroll-indicator {
    text-align: center;
    padding-bottom: var(--space-9);
    position: relative;
    z-index: 2;
    cursor: pointer;
}

.scroll-indicator p {
    font-family: var(--font-mono);
    color: var(--muted);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 0.6rem;
    font-weight: 500;
    transition: color 0.25s;
}

.scroll-indicator:hover p {
    color: var(--accent-strong);
}

.scroll-indicator svg {
    color: var(--accent);
    animation: bounce 2s infinite;
}

.story-section {
    min-height: 80vh;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-16) var(--space-6);
    border-top: 1px solid var(--line);
    position: relative;
    z-index: 2;
}

.story-container {
    max-width: 720px;
    width: 100%;
}

.back-arrow-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0 0 2px;
    margin-bottom: var(--space-9);
    border-bottom: 1px solid transparent;
    transition: color 0.25s, border-color 0.25s;
}

.back-arrow-btn:hover {
    color: var(--accent-strong);
    border-color: var(--accent-line);
}

.story-title {
    font-family: var(--font-serif);
    font-size: clamp(1.9rem, 4vw, 2.8rem);
    font-weight: 500;
    letter-spacing: -0.015em;
    margin-bottom: var(--space-9);
}

.story-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--ink-soft);
}

.story-body p {
    margin-bottom: var(--space-6);
}

/* ---------- Resources ---------- */

.project-toggle-wrapper {
    display: flex;
    justify-content: center;
    margin-top: var(--space-9);
    margin-bottom: var(--space-2);
}

.project-toggle {
    display: inline-flex;
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.35rem;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.toggle-btn {
    position: relative;
    z-index: 2;
    background: transparent;
    border: none;
    padding: 0.65rem 1.4rem;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--ink-soft);
    cursor: pointer;
    border-radius: 999px;
    transition: color 0.3s ease;
}

.toggle-btn.active {
    color: var(--ink);
}

.toggle-pill {
    position: absolute;
    top: 0.35rem;
    bottom: 0.35rem;
    left: 0.35rem;
    background: white;
    border-radius: 999px;
    box-shadow: var(--shadow-1);
    z-index: 1;
    transition: left 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), width 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
    gap: var(--space-6);
    padding: 0 var(--space-6) var(--space-16);
    max-width: 1080px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 2;
}

.resource-card {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
    padding: var(--space-9) var(--space-6) var(--space-6);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-1);
    transition: transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease-out), border-color 0.3s;
    animation: rise 0.6s var(--ease-out) both;
}

.resource-grid > .resource-card:nth-child(1) { animation-delay: 0.05s; }
.resource-grid > .resource-card:nth-child(2) { animation-delay: 0.11s; }
.resource-grid > .resource-card:nth-child(3) { animation-delay: 0.17s; }
.resource-grid > .resource-card:nth-child(4) { animation-delay: 0.23s; }
.resource-grid > .resource-card:nth-child(5) { animation-delay: 0.29s; }
.resource-grid > .resource-card:nth-child(n+6) { animation-delay: 0.35s; }

.resource-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-2);
    border-color: var(--accent-line);
}

.resource-index {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    color: var(--gold);
    margin-bottom: var(--space-4);
}

.resource-title {
    font-size: 1.4rem;
    margin-bottom: var(--space-4);
    font-family: var(--font-serif);
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.25;
    overflow-wrap: anywhere;
}

.resource-description {
    color: var(--ink-soft);
    line-height: 1.65;
    font-size: 0.95rem;
    margin-bottom: var(--space-6);
    flex: 1;
}

.resource-links {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--line);
}

.resource-link-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    padding: 0.8rem 0.2rem;
    color: var(--ink);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.92rem;
    border-bottom: 1px solid var(--line);
    transition: color 0.2s, padding 0.3s var(--ease-out);
}

.resource-link-btn:last-child {
    border-bottom: none;
}

.resource-link-btn .link-arrow {
    color: var(--muted);
    transition: transform 0.3s var(--ease-out), color 0.2s;
    flex-shrink: 0;
}

.resource-link-btn:hover {
    color: var(--accent-strong);
    padding-left: 0.5rem;
}

.resource-link-btn:hover .link-arrow {
    color: var(--accent);
    transform: translate(2px, -2px);
}

/* ---------- Contact ---------- */

.contact-page {
    position: relative;
    padding: var(--space-6) var(--space-6) var(--space-16);
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    z-index: 2;
    animation: rise 0.7s var(--ease-out) both;
}

.contact-wrapper {
    max-width: 1060px;
    width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: var(--space-16);
    align-items: center;
}

.contact-info .eyebrow {
    margin-bottom: var(--space-4);
}

.contact-title {
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 4.5vw, 3.4rem);
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: var(--space-4);
    line-height: 1.1;
    text-wrap: balance;
}

.contact-subtitle {
    font-size: 1.05rem;
    color: var(--ink-soft);
    line-height: 1.6;
    margin-bottom: var(--space-9);
    max-width: 420px;
}

.info-card {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-4);
    padding: var(--space-4) var(--space-6);
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
    transition: transform 0.35s var(--ease-out), border-color 0.25s, box-shadow 0.35s var(--ease-out);
    box-shadow: var(--shadow-1);
    max-width: 420px;
}

.info-card:hover {
    transform: translateX(6px);
    border-color: var(--accent-line);
    box-shadow: var(--shadow-2);
}

.info-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--accent-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-right: var(--space-4);
    flex-shrink: 0;
}

.info-content h4 {
    color: var(--muted);
    margin: 0 0 0.15rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 500;
}

.info-content p {
    color: var(--ink);
    margin: 0;
    font-size: 1.02rem;
    font-weight: 500;
}

.form-glass {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-l);
    padding: var(--space-9);
    box-shadow: var(--shadow-2);
    position: relative;
    overflow: hidden;
}

.form-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--gold));
}

.input-wrapper {
    position: relative;
    margin-bottom: var(--space-4);
}

.premium-input {
    width: 100%;
    padding: 0.95rem 1rem 0.95rem 2.9rem;
    background: var(--paper);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-s);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
    box-shadow: none;
}

.premium-input::placeholder {
    color: var(--muted);
}

.premium-input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--paper-raised);
    box-shadow: 0 0 0 4px rgba(14, 107, 74, 0.12);
}

.topic-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--muted);
    margin-bottom: 0.5rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.premium-select {
    padding-left: 1rem !important;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237e867c' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-color: var(--paper);
    cursor: pointer;
}

.premium-select:invalid {
    color: var(--muted);
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 1.1rem;
    color: var(--muted);
    transition: color 0.25s;
    pointer-events: none;
}

.premium-input:focus + .input-icon,
.premium-input:focus ~ .input-icon {
    color: var(--accent);
}

textarea.premium-input {
    padding-left: 1rem;
    resize: vertical;
    min-height: 130px;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background: var(--ink);
    color: var(--paper-raised);
    border: 1px solid var(--ink);
    border-radius: var(--radius-s);
    font-size: 0.85rem;
    font-family: var(--font-mono);
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.35s var(--ease-out), background 0.25s, box-shadow 0.35s var(--ease-out);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    margin-top: var(--space-2);
}

.btn-submit:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(14, 107, 74, 0.25);
}

.status-msg {
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-s);
    margin-bottom: var(--space-6);
    font-size: 0.95rem;
    text-align: center;
    border: 1px solid transparent;
}

.status-success {
    background: var(--ok-soft);
    color: var(--ok);
    border-color: rgba(29, 107, 67, 0.25);
}

.status-error {
    background: var(--danger-soft);
    color: var(--danger);
    border-color: rgba(179, 67, 43, 0.25);
}

/* ---------- 404 ---------- */

.error-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 72vh;
    text-align: center;
    padding: var(--space-6);
    position: relative;
    z-index: 2;
    animation: rise 0.7s var(--ease-out) both;
}

.error-code {
    font-family: var(--font-serif);
    font-size: clamp(5rem, 16vw, 9rem);
    font-weight: 500;
    color: var(--ink);
    line-height: 1;
    letter-spacing: -0.03em;
}

.error-code span {
    color: var(--accent);
    font-style: italic;
}

.error-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: var(--space-4);
}

.error-message {
    font-family: var(--font-serif);
    font-size: clamp(1.4rem, 3vw, 1.9rem);
    font-weight: 500;
    color: var(--ink);
    margin-top: var(--space-4);
}

.error-description {
    color: var(--muted);
    max-width: 400px;
    margin: var(--space-4) 0 var(--space-9);
    line-height: 1.6;
}

.error-actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    justify-content: center;
}

/* ---------- Site scroll banner ---------- */

.site-scroll {
    position: relative;
    z-index: 900;
    width: 100%;
    margin: 0 0 var(--space-1);
    padding: 0 var(--space-4);
}

.site-scroll-track {
    max-width: 1080px;
    margin: 0 auto;
    border-radius: 999px;
    overflow: hidden;
    position: relative;
    background: var(--ink);
    border: 1px solid rgba(253, 252, 248, 0.08);
    box-shadow: var(--shadow-1);
}

.site-scroll-track::before,
.site-scroll-track::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 44px;
    z-index: 2;
    pointer-events: none;
}

.site-scroll-track::before {
    left: 0;
    background: linear-gradient(90deg, var(--ink), transparent);
}

.site-scroll-track::after {
    right: 0;
    background: linear-gradient(270deg, var(--ink), transparent);
}

.site-scroll-content {
    display: flex;
    width: max-content;
    animation: site-scroll-marquee 32s linear infinite;
    will-change: transform;
}

.site-scroll:hover .site-scroll-content {
    animation-play-state: paused;
}

.site-scroll-text {
    display: inline-block;
    padding: 0.62rem 1.4rem;
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    white-space: nowrap;
    line-height: 1.5;
}

.site-scroll--preview .site-scroll-track {
    border-radius: var(--radius-s);
}

@keyframes site-scroll-marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ---------- Motion ---------- */

@keyframes rise {
    0% {
        opacity: 0;
        transform: translateY(16px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(8px); }
    60% { transform: translateY(4px); }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .site-scroll-content {
        animation: none;
        transform: none;
        width: 100%;
        justify-content: center;
    }

    .site-scroll-text:last-child {
        display: none;
    }

    .site-scroll-text {
        white-space: normal;
        text-align: center;
    }
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
    .nav-links {
        gap: 0.1rem;
    }

    .nav-links a {
        padding: 0.6rem 0.7rem;
        font-size: 0.66rem;
        letter-spacing: 0.08em;
    }

    .logo {
        font-size: 1.02rem;
    }

    .nav-actions .btn {
        padding: 0.6rem 1.05rem;
        font-size: 0.8rem;
    }

    .lanes {
        grid-template-columns: 1fr;
        gap: var(--space-9);
        padding-bottom: var(--space-12);
    }

    .lane {
        padding: var(--space-6) 0 0;
    }

    .lane + .lane {
        border-left: none;
        padding-left: 0;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .contact-subtitle,
    .info-card {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    header {
        padding: 0.85rem;
    }

    .hamburger {
        display: flex;
    }

    .navbar {
        position: relative;
        padding: 0.45rem 0.55rem 0.45rem 1.1rem;
        gap: 0.75rem;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        align-items: stretch;
        position: absolute;
        top: calc(100% + 0.65rem);
        left: 0;
        right: 0;
        background: rgba(253, 252, 248, 0.98);
        backdrop-filter: blur(20px);
        padding: 0.85rem;
        border-radius: var(--radius-m);
        box-shadow: var(--shadow-2);
        border: 1px solid var(--line);
        text-align: center;
        gap: 0.35rem;
        z-index: 100;
        flex: none;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        font-size: 0.82rem;
        padding: 0.85rem 1rem;
        min-height: 2.75rem;
        width: 100%;
        border-radius: var(--radius-s);
    }

    .nav-links a.active::after {
        display: none;
    }

    .nav-links li.mobile-only {
        display: flex;
        width: 100%;
        margin-top: 0.25rem;
    }

    .nav-links .mobile-only .btn,
    .nav-links .mobile-only a.btn {
        width: 100%;
        padding: 0.9rem 1rem;
        font-size: 0.85rem;
        min-height: 2.85rem;
        border-radius: var(--radius-s);
        margin-top: 0 !important;
    }

    .nav-actions {
        display: none;
    }

    .hero-meta {
        gap: var(--space-4) var(--space-6);
    }

    .page-hero,
    .blog-hero,
    .resources-hero {
        padding: var(--space-9) var(--space-4) var(--space-6);
    }

    .blog-grid,
    .resource-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
        padding: 0 var(--space-4) var(--space-12);
    }

    .blog-card:hover,
    .resource-card:hover,
    .info-card:hover {
        transform: none;
    }

    .section-head {
        padding: 0 var(--space-4);
    }

    .about-container {
        flex-direction: column;
        gap: var(--space-12);
    }

    .about-content {
        align-items: center;
        text-align: center;
    }

    .about-content .description {
        text-align: center;
    }

    .skills-grid {
        justify-content: center;
    }

    .contact-page {
        padding: var(--space-4) var(--space-4) var(--space-12);
    }

    .form-glass {
        padding: var(--space-6);
    }

    .form-glass div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }

    .post-wrap {
        padding: var(--space-4) var(--space-4) var(--space-12);
    }

    .site-scroll {
        padding: 0 0.75rem;
    }

    .site-scroll-track {
        border-radius: var(--radius-m);
    }

    .site-scroll-text {
        font-size: 0.7rem;
        padding: 0.55rem 1rem;
    }

    .site-scroll-content {
        animation-duration: 26s;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
        max-width: 320px;
    }

    .hero-actions .btn {
        width: 100%;
    }
}