@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600&family=Newsreader:ital,opsz,wght@0,12..72,400;0,12..72,500;0,12..72,600;1,12..72,400&display=swap');

:root {
    --color-bg: #f7f6f3;
    --color-surface: #ffffff;
    --color-ink: #141413;
    --color-ink-muted: #5c5c56;
    --color-ink-faint: #94948c;
    --color-border: #e3e1da;
    --color-border-strong: #cac8bf;
    --color-accent: #2a4f42;
    --color-accent-hover: #1e3a30;
    --color-accent-soft: #e8f0ec;
    --font-sans: 'IBM Plex Sans', system-ui, sans-serif;
    --font-serif: 'Newsreader', Georgia, serif;
    --radius-sm: 4px;
    --radius-md: 8px;
    --shadow-card: 0 1px 2px rgba(20, 20, 19, 0.04), 0 4px 16px rgba(20, 20, 19, 0.03);
    --header-height: 3.75rem;
    --content-width: 72rem;
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-ink);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

main {
    flex: 1;
}

a {
    color: inherit;
}

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

/* ——— Site header ——— */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    background: rgba(247, 246, 243, 0.88);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.site-logo {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    text-decoration: none;
    color: var(--color-ink);
}

.site-logo:hover {
    color: var(--color-accent);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: 0.125rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav__link {
    display: block;
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--color-ink-muted);
    border-radius: var(--radius-sm);
    transition: color 0.15s var(--ease-out), background 0.15s var(--ease-out);
}

.site-nav__link:hover {
    color: var(--color-ink);
    background: rgba(20, 20, 19, 0.04);
}

.site-nav__link.is-active {
    color: var(--color-accent);
    background: var(--color-accent-soft);
}

.site-nav__actions {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    margin-left: 1.5rem;
    padding-left: 1.5rem;
    border-left: 1px solid var(--color-border);
}

.site-nav__user {
    font-size: 0.8125rem;
    color: var(--color-ink-faint);
    white-space: nowrap;
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--color-ink-muted);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.btn-ghost:hover {
    color: var(--color-ink);
    border-color: var(--color-border-strong);
    background: var(--color-surface);
}

.btn-solid {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 500;
    text-decoration: none;
    color: #fff;
    background: var(--color-accent);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.btn-solid:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: #fff;
}

.site-nav__toggle {
    display: none;
    padding: 0.5rem;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.site-nav__toggle span {
    display: block;
    width: 1.125rem;
    height: 2px;
    background: var(--color-ink);
    margin: 3px 0;
}

@media (min-width: 768px) {
    .site-nav__collapse {
        display: flex !important;
        flex: 1;
        align-items: center;
        justify-content: flex-end;
        height: auto;
        padding: 0;
        background: transparent;
        border: none;
    }
}

@media (max-width: 767.98px) {
    .site-nav__toggle {
        display: block;
    }

    .site-nav__collapse {
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 1rem 1.25rem 1.25rem;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
    }

    .site-nav__collapse:not(.show) {
        display: none;
    }

    .site-nav__list {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }

    .site-nav__link {
        padding: 0.625rem 0.75rem;
    }

    .site-nav__actions {
        flex-direction: column;
        align-items: stretch;
        margin: 0.75rem 0 0;
        padding: 0.75rem 0 0;
        border-left: none;
        border-top: 1px solid var(--color-border);
    }

    .site-nav__user {
        text-align: center;
    }
}

/* ——— Site footer ——— */

.site-footer {
    margin-top: auto;
    padding: 2rem 1.25rem;
    border-top: 1px solid var(--color-border);
}

.site-footer__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: var(--content-width);
    margin: 0 auto;
    font-size: 0.8125rem;
    color: var(--color-ink-faint);
}

.site-footer__brand {
    font-family: var(--font-serif);
    font-weight: 500;
    color: var(--color-ink-muted);
}

.site-footer__links {
    display: flex;
    gap: 1.25rem;
}

.site-footer__links a {
    color: var(--color-ink-faint);
    text-decoration: none;
}

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

/* ——— Home page ——— */

.home {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 1.25rem 4rem;
}

.home-hero {
    padding: 3.5rem 0 3rem;
    border-bottom: 1px solid var(--color-border);
    animation: fade-up 0.6s var(--ease-out) both;
}

.home-hero__eyebrow {
    margin: 0 0 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.home-hero__title {
    margin: 0 0 0.75rem;
    font-family: var(--font-serif);
    font-size: clamp(2.25rem, 5vw, 3.25rem);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--color-ink);
}

.home-hero__lead {
    max-width: 36rem;
    margin: 0 0 1.25rem;
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--color-ink-muted);
}

.home-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
    margin-bottom: 0.5rem;
}

.home-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
}

.home-hero__stat {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.home-hero__stat-value {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1;
    color: var(--color-ink);
}

.home-hero__stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-ink-faint);
}

.home-feed {
    padding-top: 2.5rem;
    animation: fade-up 0.6s var(--ease-out) 0.1s both;
}

.home-feed__header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.5rem 1rem;
    margin-bottom: 1.75rem;
}

.home-feed__view-all {
    margin-left: auto;
    font-size: 0.875rem;
    color: var(--color-accent);
    text-decoration: none;
}

.home-feed__view-all:hover {
    text-decoration: underline;
}

.home-feed__title {
    margin: 0;
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.home-feed__count {
    font-size: 0.8125rem;
    color: var(--color-ink-faint);
}

.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr));
    gap: 1.75rem;
}

.post-card {
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

.post-card:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-card);
}

.post-card__media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #eceae4;
    text-decoration: none;
}

.post-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s var(--ease-out);
}

.post-card:hover .post-card__media img {
    transform: scale(1.03);
}

.post-card__media--empty {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-ink-faint);
}

.post-card__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1.25rem 1.25rem 1.125rem;
}

.post-card__category {
    margin-bottom: 0.625rem;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.post-card__title {
    margin: 0 0 0.5rem;
    font-family: var(--font-serif);
    font-size: 1.1875rem;
    font-weight: 500;
    line-height: 1.35;
    letter-spacing: -0.01em;
}

.post-card__title a {
    text-decoration: none;
    color: var(--color-ink);
    transition: color 0.15s;
}

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

.post-card__excerpt {
    flex: 1;
    margin: 0 0 1rem;
    font-size: 0.875rem;
    line-height: 1.55;
    color: var(--color-ink-muted);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.375rem 0.625rem;
    padding-top: 0.875rem;
    border-top: 1px solid var(--color-border);
    font-size: 0.75rem;
    color: var(--color-ink-faint);
}

.post-card__meta-sep {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--color-border-strong);
}

.home-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 4rem 1rem;
    color: var(--color-ink-faint);
    font-size: 0.875rem;
}

.home-loading__spinner {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.home-empty {
    padding: 3rem 1.5rem;
    text-align: center;
    background: var(--color-surface);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-ink-muted);
    font-size: 0.9375rem;
}

.home-alert {
    margin-bottom: 1.5rem;
    padding: 0.875rem 1rem;
    font-size: 0.875rem;
    color: #7f1d1d;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-md);
}

@keyframes fade-up {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ——— Legacy / shared pages ——— */

.article-content {
    line-height: 1.8;
    white-space: pre-wrap;
}

.article-card:hover {
    transform: translateY(-2px);
    transition: transform 0.15s ease;
}

.comment-box {
    border-left: 3px solid var(--color-accent);
    padding-left: 1rem;
}

.reply-box {
    border-left: 3px solid var(--color-border);
    padding-left: 1rem;
    margin-left: 1.5rem;
}

.cover-image {
    max-height: 320px;
    object-fit: cover;
}

.stat-badge {
    font-size: 0.85rem;
}

.page-header {
    padding: 2.5rem 0 1.5rem;
}

.page-header__eyebrow {
    margin: 0 0 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-ink-faint);
}

.page-header__title {
    margin: 0 0 0.5rem;
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    letter-spacing: -0.03em;
}

.page-header__lead {
    margin: 0;
    max-width: 36rem;
    color: var(--color-ink-muted);
}

.articles-pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.articles-pagination__btn {
    min-width: 2.25rem;
    padding: 0.45rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-ink-muted);
    font: inherit;
    font-size: 0.8125rem;
    cursor: pointer;
    transition: border-color 0.15s var(--ease-out), color 0.15s var(--ease-out);
}

.articles-pagination__btn:hover:not(:disabled) {
    border-color: var(--color-border-strong);
    color: var(--color-ink);
}

.articles-pagination__btn.is-active {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
    color: var(--color-accent);
}

.articles-pagination__btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.contact-cta {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
    padding: 2rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}

.contact-cta__eyebrow {
    margin: 0 0 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.contact-cta__title {
    margin: 0 0 0.75rem;
    font-family: var(--font-serif);
    font-size: 1.75rem;
    letter-spacing: -0.02em;
}

.contact-cta__lead {
    margin: 0 0 1.25rem;
    color: var(--color-ink-muted);
}

.contact-cta__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
}

.contact-cta__channels {
    display: grid;
    gap: 0.75rem;
}

.contact-channel {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: border-color 0.15s var(--ease-out), background 0.15s var(--ease-out);
}

.contact-channel:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
}

.contact-channel__label {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-ink-faint);
}

.contact-channel__value {
    font-size: 0.9375rem;
    color: var(--color-ink);
}

.site-footer__brand-block {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.site-footer__tagline {
    margin: 0;
    font-size: 0.75rem;
}

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

    .home-feed__view-all {
        margin-left: 0;
    }
}

/* ——— Auth pages (login / register) ——— */

.auth-page {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1.25rem 3rem;
}

.auth-card {
    width: 100%;
    max-width: 26rem;
    padding: 2rem 2rem 1.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    animation: fade-up 0.5s var(--ease-out) both;
}

.auth-card__eyebrow {
    margin: 0 0 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.auth-card__title {
    margin: 0 0 0.35rem;
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--color-ink);
}

.auth-card__lead {
    margin: 0 0 1.5rem;
    font-size: 0.875rem;
    line-height: 1.55;
    color: var(--color-ink-muted);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.auth-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-ink-muted);
}

.auth-input {
    width: 100%;
    padding: 0.625rem 0.75rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--color-ink);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color 0.15s var(--ease-out), box-shadow 0.15s var(--ease-out);
}

.auth-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.auth-input::placeholder {
    color: var(--color-ink-faint);
}

.btn-solid--block {
    width: 100%;
    justify-content: center;
    padding: 0.625rem 1rem;
    margin-top: 0.25rem;
    font-size: 0.875rem;
}

.auth-card__footer {
    margin: 1.25rem 0 0;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
    font-size: 0.8125rem;
    text-align: center;
    color: var(--color-ink-faint);
}

.auth-card__footer a {
    color: var(--color-accent);
    font-weight: 500;
    text-decoration: none;
}

.auth-card__footer a:hover {
    text-decoration: underline;
}

.auth-alert {
    margin-bottom: 1rem;
    padding: 0.75rem 0.875rem;
    font-size: 0.8125rem;
    line-height: 1.45;
    color: #7f1d1d;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-sm);
}