/* ===================================
   CSS Variables & Reset
   =================================== */

:root {
    /* Colors - Editorial Palette */
    --color-primary: #1a2332;
    --color-secondary: #b8860b;
    --color-accent: #c9a961;
    --color-text: #2c3e50;
    --color-text-light: #546e7a;
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fa;
    --color-border: #e1e8ed;

    /* Typography */
    --font-serif: 'Crimson Pro', serif;
    --font-sans: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

/* ===================================
   Utilities
   =================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 2px;
    transition: var(--transition);
    letter-spacing: 0.02em;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: #283648;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(26, 35, 50, 0.2);
}

.btn-secondary {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

/* ===================================
   Header & Navigation
   =================================== */

.header {
    position: sticky;
    top: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, #2c3e50 100%);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    animation: slideDown 0.5s ease-out;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
}

.logo h1 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    letter-spacing: -0.02em;
}

.logo .tagline {
    font-size: 0.75rem;
    color: var(--color-accent);
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
}

.nav-link:hover {
    color: white;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: white;
    transition: var(--transition);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-subtitle {
    font-size: 0.875rem;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 600;
    line-height: 1.15;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    max-width: 540px;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    animation: fadeInUp 0.6s ease-out 0.5s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-decoration {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.8s ease-out 0.6s both;
}

.scales-icon {
    width: 280px;
    height: 280px;
    opacity: 0.08;
}

.scales-icon path,
.scales-icon line,
.scales-icon circle {
    fill: none;
    stroke: var(--color-primary);
    stroke-width: 3;
    stroke-linecap: round;
}

.scales-icon circle {
    fill: var(--color-primary);
    opacity: 0.1;
}

.scale-left {
    animation: scaleBalance 3s ease-in-out infinite;
}

.scale-right {
    animation: scaleBalance 3s ease-in-out infinite reverse;
}

@keyframes scaleBalance {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 0.08;
    }
}

/* ===================================
   Featured Articles Section
   =================================== */

.featured {
    padding: var(--spacing-xl) 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.section-subtitle {
    color: var(--color-text-light);
    font-size: 1.125rem;
    width: 100%;
    margin-top: var(--spacing-xs);
}

.section-link {
    color: var(--color-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}

.section-link:hover {
    color: var(--color-primary);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.article-card {
    background: white;
    border: 1px solid var(--color-border);
    transition: var(--transition);
    overflow: hidden;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    border-color: var(--color-secondary);
}

.featured-main {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.article-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.featured-main .article-image {
    aspect-ratio: auto;
}

.article-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, #2c3e50 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.article-content {
    padding: var(--spacing-md);
}

.featured-main .article-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.article-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.85rem;
}

.article-category {
    color: var(--color-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.article-date {
    color: var(--color-text-light);
}

.article-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.featured-main .article-title {
    font-size: 2rem;
}

.article-excerpt {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.article-link {
    color: var(--color-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    display: inline-block;
    margin-top: auto;
}

.article-link:hover {
    color: var(--color-primary);
    transform: translateX(4px);
}

/* ===================================
   Categories Section
   =================================== */

.categories {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-alt);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.category-card {
    background: white;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    text-align: center;
}

.category-card:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.category-card h4 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.category-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.category-card:hover p {
    color: rgba(255, 255, 255, 0.8);
}

/* ===================================
   About Section
   =================================== */

.about {
    padding: var(--spacing-xl) 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text p {
    color: var(--color-text-light);
    font-size: 1.125rem;
    line-height: 1.8;
    margin: var(--spacing-md) 0;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--color-bg-alt);
    padding: var(--spacing-md);
    border-left: 4px solid var(--color-secondary);
    text-align: center;
}

.stat-card h4 {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: var(--color-primary);
    font-weight: 700;
}

.stat-card p {
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.875rem;
}

/* ===================================
   Newsletter Section
   =================================== */

.newsletter {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, #2c3e50 100%);
    color: white;
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-content h3 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.newsletter-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 0.875rem 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 0.95rem;
    border-radius: 2px;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.15);
}

.newsletter-form button {
    background-color: var(--color-secondary);
    color: white;
}

.newsletter-form button:hover {
    background-color: var(--color-accent);
}

/* ===================================
   Footer
   =================================== */

.footer {
    background-color: var(--color-primary);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-col h4,
.footer-col h5 {
    color: white;
    font-family: var(--font-serif);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.footer-col h4 {
    font-size: 1.25rem;
}

.footer-col h5 {
    font-size: 1rem;
}

.footer-col p {
    line-height: 1.7;
    font-size: 0.95rem;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
    }

    .hero-decoration {
        display: none;
    }

    .hero-title {
        font-size: 2.75rem;
    }

    .featured-main {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 72px);
        background: linear-gradient(135deg, var(--color-primary) 0%, #2c3e50 100%);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
        transition: left 0.3s ease;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        padding: var(--spacing-sm) 0;
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero-title {
        font-size: 2.25rem;
    }

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

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .newsletter-form {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.875rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .article-title {
        font-size: 1.25rem;
    }

    .featured-main .article-title {
        font-size: 1.5rem;
    }

    .categories-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Performance Optimizations
   =================================== */

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