/* ===================================
   RAFA PLAZA BLOG - LUXURY DESIGN
   =================================== */

/* CSS Variables */
:root {
    --color-bg: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-tertiary: #1a1a1a;
    --color-gold: #c9a961;
    --color-gold-light: #dfc07f;
    --color-gold-dark: #a68a4a;
    --color-text: #ffffff;
    --color-text-muted: #888888;
    --color-text-subtle: #555555;
    --color-border: #2a2a2a;
    
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
    
    --container-width: 1400px;
    --spacing-unit: 8px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 4);
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(to bottom, rgba(10, 10, 10, 0.95), rgba(10, 10, 10, 0));
    padding: calc(var(--spacing-unit) * 3) 0;
    transition: background var(--transition-medium);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 4);
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--color-text);
}

.logo-tagline {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-gold);
}

.nav-menu {
    display: flex;
    gap: calc(var(--spacing-unit) * 5);
}

.nav-menu a {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    position: relative;
    padding: calc(var(--spacing-unit) * 1) 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: width var(--transition-medium);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-text);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-fast);
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    background: 
        radial-gradient(ellipse at 50% 0%, rgba(201, 169, 97, 0.08) 0%, transparent 50%),
        var(--color-bg);
    padding: calc(var(--spacing-unit) * 15) calc(var(--spacing-unit) * 4);
}

.hero-content {
    max-width: 900px;
}

.hero-label {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.4em;
    color: var(--color-gold);
    margin-bottom: calc(var(--spacing-unit) * 4);
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: calc(var(--spacing-unit) * 4);
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.hero-subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

.hero-scroll {
    position: absolute;
    bottom: calc(var(--spacing-unit) * 6);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: calc(var(--spacing-unit) * 2);
    animation: fadeIn 0.8s ease 0.8s forwards;
    opacity: 0;
}

.hero-scroll span {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-text-subtle);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-gold), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

/* ===================================
   FEATURED POST
   =================================== */

.featured {
    padding: calc(var(--spacing-unit) * 15) 0;
    background: var(--color-bg);
}

.featured-post {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: calc(var(--spacing-unit) * 8);
    align-items: center;
}

.featured-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

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

.featured-post:hover .featured-image img {
    transform: scale(1.05);
}

.featured-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.featured-content {
    padding: calc(var(--spacing-unit) * 4) 0;
}

.post-category {
    display: inline-block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-gold);
    margin-bottom: calc(var(--spacing-unit) * 3);
    padding-bottom: calc(var(--spacing-unit) * 1.5);
    border-bottom: 1px solid var(--color-gold);
}

.post-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.post-excerpt {
    font-size: 1rem;
    font-weight: 300;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.post-meta {
    display: flex;
    gap: calc(var(--spacing-unit) * 4);
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.post-date,
.post-reading {
    font-size: 0.8rem;
    color: var(--color-text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.btn-read {
    display: inline-flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 2);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text);
    padding: calc(var(--spacing-unit) * 2) 0;
    border-bottom: 1px solid var(--color-gold);
    transition: all var(--transition-fast);
}

.btn-read:hover {
    color: var(--color-gold);
    padding-left: calc(var(--spacing-unit) * 2);
}

/* ===================================
   POSTS GRID
   =================================== */

.posts-section {
    padding: calc(var(--spacing-unit) * 10) 0 calc(var(--spacing-unit) * 15);
    background: var(--color-bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 8);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 400;
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.section-line {
    width: 60px;
    height: 1px;
    background: var(--color-gold);
    margin: 0 auto;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: calc(var(--spacing-unit) * 4);
}

.post-card {
    background: var(--color-bg);
    overflow: hidden;
    transition: transform var(--transition-medium);
}

.post-card:hover {
    transform: translateY(-8px);
}

.post-card-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.post-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.post-card:hover .post-card-image img {
    transform: scale(1.1);
}

.post-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.post-card:hover .post-card-overlay {
    opacity: 1;
}

.btn-view {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text);
    padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 4);
    border: 1px solid var(--color-gold);
    transition: all var(--transition-fast);
}

.btn-view:hover {
    background: var(--color-gold);
    color: var(--color-bg);
}

.post-card-content {
    padding: calc(var(--spacing-unit) * 4);
}

.post-card-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: calc(var(--spacing-unit) * 2);
    transition: color var(--transition-fast);
}

.post-card:hover .post-card-title {
    color: var(--color-gold);
}

.post-card-excerpt {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-text-muted);
    margin-bottom: calc(var(--spacing-unit) * 3);
    line-height: 1.6;
}

.load-more {
    text-align: center;
    margin-top: calc(var(--spacing-unit) * 8);
}

.btn-load {
    font-family: var(--font-body);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text);
    background: transparent;
    border: 1px solid var(--color-border);
    padding: calc(var(--spacing-unit) * 2.5) calc(var(--spacing-unit) * 6);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-load:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

/* ===================================
   CATEGORIES
   =================================== */

.categories-section {
    padding: calc(var(--spacing-unit) * 12) 0;
    background: var(--color-bg);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: calc(var(--spacing-unit) * 2);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: calc(var(--spacing-unit) * 5) calc(var(--spacing-unit) * 2);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all var(--transition-medium);
}

.category-card:hover {
    border-color: var(--color-gold);
    background: var(--color-bg-tertiary);
}

.category-name {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.category-count {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-subtle);
}

/* ===================================
   NEWSLETTER
   =================================== */

.newsletter {
    padding: calc(var(--spacing-unit) * 15) 0;
    background: 
        radial-gradient(ellipse at 50% 100%, rgba(201, 169, 97, 0.1) 0%, transparent 50%),
        var(--color-bg-secondary);
}

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

.newsletter-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 400;
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.newsletter-text {
    font-size: 1rem;
    font-weight: 300;
    color: var(--color-text-muted);
    margin-bottom: calc(var(--spacing-unit) * 5);
}

.newsletter-form {
    display: flex;
    gap: calc(var(--spacing-unit) * 2);
}

.newsletter-form input {
    flex: 1;
    font-family: var(--font-body);
    font-size: 0.9rem;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.newsletter-form input::placeholder {
    color: var(--color-text-subtle);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-gold);
}

.newsletter-form button {
    font-family: var(--font-body);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
    background: var(--color-gold);
    border: none;
    color: var(--color-bg);
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

/* ===================================
   FOOTER
   =================================== */

.footer {
    padding: calc(var(--spacing-unit) * 10) 0 calc(var(--spacing-unit) * 5);
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: calc(var(--spacing-unit) * 8);
    margin-bottom: calc(var(--spacing-unit) * 8);
}

.footer-brand .logo-text {
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.footer-brand p {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 350px;
}

.footer-links h4,
.footer-social h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--color-gold);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 1.5);
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.footer-links a:hover {
    color: var(--color-text);
}

.social-icons {
    display: flex;
    gap: calc(var(--spacing-unit) * 2);
}

.social-icons a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.social-icons a:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

.social-icons svg {
    width: 18px;
    height: 18px;
}

.footer-bottom {
    text-align: center;
    padding-top: calc(var(--spacing-unit) * 5);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--color-text-subtle);
}

/* ===================================
   ANIMATIONS
   =================================== */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ===================================
   RESPONSIVE
   =================================== */

@media (max-width: 1200px) {
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .featured-post {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 5);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: calc(var(--spacing-unit) * 5);
        transition: right var(--transition-medium);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu a {
        font-size: 1.2rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand p {
        max-width: none;
    }
    
    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding: calc(var(--spacing-unit) * 20) calc(var(--spacing-unit) * 3);
    }
}