/* Modern minimal news/blog system */

:root {
    --bg: #fbfbfc;
    --surface: #ffffff;
    --surface-2: #f3f4f6;
    --text: #0b1220;
    --text-2: #334155;
    --muted: #64748b;
    --border: rgba(15, 23, 42, 0.12);

    --brand: #0f4c81;
    --brand-2: #0b2f52;
    --accent: #b45309;

    --shadow-sm: 0 1px 2px rgba(2, 6, 23, 0.06);
    --shadow-md: 0 12px 28px rgba(2, 6, 23, 0.10);

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    --font-sans: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-serif: "Playfair Display", ui-serif, Georgia, "Times New Roman", serif;

    --container-max: 1140px;
    --content-max: 760px;
    --header-height: 72px;

    --transition-fast: 140ms ease;
    --transition-base: 220ms cubic-bezier(0.2, 0.9, 0.2, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    color-scheme: light;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--text);
    background: linear-gradient(to bottom, #ffffff, var(--bg));
    min-height: 100vh;
}

.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding-inline: var(--space-4);
}

@media (min-width: 768px) {
    .container {
        padding-inline: var(--space-6);
    }
}

.section {
    padding-block: var(--space-10);
}

@media (min-width: 768px) {
    .section {
        padding-block: var(--space-12);
    }
}

.skip-link {
    position: absolute;
    top: -4rem;
    left: var(--space-4);
    z-index: 50;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    background: var(--brand);
    color: #fff;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    transition: top var(--transition-base);
}

.skip-link:focus {
    top: var(--space-4);
}

a {
    color: inherit;
    text-decoration: none;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
    transition: color var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast);
}

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

a:focus-visible,
button:focus-visible {
    outline: 3px solid rgba(15, 76, 129, 0.35);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Type scale */
h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0 0 var(--space-3) 0;
    line-height: 1.15;
    color: var(--text);
}

h1,
.hero-full-content h1 {
    font-family: var(--font-serif);
    font-weight: 800;
    letter-spacing: -0.02em;
    font-size: clamp(2rem, 4.2vw, 3rem);
}

h2 {
    font-family: var(--font-serif);
    font-weight: 800;
    font-size: clamp(1.5rem, 2.4vw, 2rem);
    letter-spacing: -0.02em;
}

h3 {
    font-weight: 700;
    font-size: clamp(1.15rem, 2vw, 1.5rem);
}

p {
    margin: 0 0 var(--space-4) 0;
    color: var(--text-2);
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: saturate(1.2) blur(10px);
    border-bottom: 1px solid var(--border);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-height);
    gap: var(--space-4);
}

.brand {
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.95rem;
    color: var(--brand-2);
}

.navbar-toggler {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    background: #fff;
    cursor: pointer;
    transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.navbar-toggler:hover {
    transform: translateY(-1px);
    border-color: rgba(15, 76, 129, 0.35);
}

.navbar-toggler-icon {
    width: 18px;
    height: 2px;
    background: var(--text);
    box-shadow: 0 -6px 0 var(--text), 0 6px 0 var(--text);
}

@media (min-width: 992px) {
    .navbar-toggler {
        display: none;
    }
}

.header-nav {
    width: 100%;
}

@media (min-width: 992px) {
    .header-nav {
        width: auto;
        display: block !important;
    }
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    margin: 0;
    padding: var(--space-2) 0;
}

@media (min-width: 992px) {
    .nav-menu {
        flex-direction: row;
        align-items: center;
        gap: var(--space-2);
        padding: 0;
    }
}

.nav-link {
    display: block;
    padding: 0.55rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    color: var(--muted);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-link:hover {
    background: rgba(15, 76, 129, 0.08);
    color: var(--brand-2);
}

/* Homepage hero */
.hero-full {
    position: relative;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    min-height: clamp(420px, 72vh, 640px);
}

.hero-full-image {
    position: absolute;
    inset: 0;
}

.hero-full-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: contrast(1.02) saturate(1.02);
}

.hero-full::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.20));
}

.hero-full-overlay {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    align-items: flex-end;
}

.hero-full-content {
    padding-block: clamp(3rem, 9vw, 5.5rem);
    max-width: 60ch;
}

.hero-full-content p {
    font-size: 1.05rem;
    color: rgba(11, 18, 32, 0.78);
    margin-bottom: var(--space-5);
}

.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.8rem 1.1rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(15, 76, 129, 0.22);
    background: rgba(255, 255, 255, 0.85);
    color: var(--brand-2);
    font-weight: 650;
    box-shadow: var(--shadow-sm);
}

.btn-hero:hover {
    background: #fff;
    border-color: rgba(15, 76, 129, 0.35);
}

/* Subnav / categories */
.category-strip {
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.70);
}

.category-strip .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    padding-block: var(--space-4);
}

.category-strip-label,
.section-heading {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--muted);
}

.section-heading {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.section-heading::before {
    content: "";
    width: 42px;
    height: 1px;
    background: linear-gradient(to right, rgba(15, 76, 129, 0.65), transparent);
}

.category-strip-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.category-strip-links a {
    padding: 0.45rem 0.8rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-2);
    background: rgba(255, 255, 255, 0.75);
}

.category-strip-links a:hover {
    border-color: rgba(15, 76, 129, 0.3);
    background: #fff;
    color: var(--brand-2);
}

.category-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 650;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--brand-2);
    background: rgba(15, 76, 129, 0.08);
    border: 1px solid rgba(15, 76, 129, 0.12);
}

.category-pill::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--accent);
}

/* Cards */
.featured-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 900px) {
    .featured-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.featured-card,
.story-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
}

.featured-card:hover,
.story-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(15, 76, 129, 0.22);
}

.featured-card-image,
.story-card-image {
    display: block;
    overflow: hidden;
    background: var(--surface-2);
}

.featured-card-image {
    aspect-ratio: 16 / 10;
}

.story-card-image {
    aspect-ratio: 4 / 3;
}

.featured-card-image img,
.story-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.featured-card:hover .featured-card-image img,
.story-card:hover .story-card-image img {
    transform: scale(1.03);
}

.featured-card-body {
    padding: var(--space-6);
}

.story-card-body {
    padding: var(--space-5);
}

.featured-card-body p,
.story-card-body p {
    font-size: 0.95rem;
    color: var(--muted);
}

.featured-card-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    margin-top: var(--space-3);
    font-size: 0.95rem;
    color: var(--brand);
}

.featured-card-cta::after {
    content: "→";
}

.stories-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 640px) {
    .stories-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 992px) {
    .stories-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* Article */
.article-hero {
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    margin-bottom: var(--space-8);
    border: 1px solid var(--border);
    background: var(--surface-2);
    box-shadow: var(--shadow-sm);
    min-height: clamp(240px, 42vh, 420px);
}

.article-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.15));
}

.article-hero-content {
    position: absolute;
    inset-inline: 0;
    bottom: 0;
    padding: var(--space-6);
    z-index: 1;
}

.article-meta {
    margin-top: var(--space-2);
    font-size: 0.8rem;
    color: rgba(11, 18, 32, 0.62);
}

.article-content-wrapper {
    max-width: var(--content-max);
    margin: 0 auto;
    padding-bottom: var(--space-16);
}

.article-wrapper {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
    .article-wrapper {
        padding: var(--space-8);
    }
}

.article-wrapper p,
.article-wrapper li {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--text-2);
}

.article-wrapper h2,
.article-wrapper h3 {
    margin-top: var(--space-8);
    margin-bottom: var(--space-2);
}

.article-wrapper ul,
.article-wrapper ol {
    padding-left: 1.2rem;
    margin: 0 0 var(--space-4) 0;
    color: var(--text-2);
}

.article-wrapper li + li {
    margin-top: var(--space-2);
}

.article-wrapper strong {
    color: var(--text);
}

.article-wrapper a {
    color: var(--brand);
    text-decoration: underline;
}

.section-divider {
    width: 72px;
    height: 1px;
    margin-block: var(--space-6);
    background: linear-gradient(to right, rgba(15, 76, 129, 0.65), rgba(180, 83, 9, 0.55));
}

/* Footer */
.footer {
    margin-top: auto;
    padding-block: var(--space-12);
    border-top: 1px solid var(--border);
    background: #fff;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand h5 {
    margin: 0 0 var(--space-2) 0;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-size: 0.9rem;
    color: var(--brand-2);
}

.footer-brand p,
.footer-description {
    margin: 0;
    font-size: 0.95rem;
    color: var(--muted);
}

.footer h6 {
    margin: 0 0 var(--space-3) 0;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text);
}

.footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer ul li + li {
    margin-top: var(--space-2);
}

.footer ul a {
    font-size: 0.95rem;
    color: var(--muted);
}

.footer ul a:hover {
    color: var(--brand-2);
}

.footer-bottom {
    margin-top: var(--space-8);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 0.85rem;
    color: var(--muted);
}

/* Back to top */
.back-to-top {
    position: fixed;
    right: var(--space-4);
    bottom: var(--space-4);
    width: 46px;
    height: 46px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.92);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
    z-index: 30;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    border-color: rgba(15, 76, 129, 0.22);
}

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

@media print {
    .header,
    .footer,
    .back-to-top,
    .hero-full,
    .category-strip {
        display: none !important;
    }
    body {
        background: #ffffff;
        color: #0b1220;
    }
}