/**
 * Elegant Minimalist Blog Style
 * Refined typography, ample whitespace, and subtle interactions.
 */

/* ===== Imports ===== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400..900;1,400..900&family=Inter:wght@100..900&display=swap');

/* ===== Variables ===== */
:root {
    --font-serif: "Playfair Display", serif;
    --font-sans: "Inter", sans-serif;
    
    --bg-color: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --accent: #b4975a; /* Muted Gold */
    --border: #eeeeee;
    --surface: #f9f9f9;
    
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.03);
    --container-width: 1100px;
    --container-narrow: 740px;
}

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

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background-color: var(--bg-color);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }

.text-muted { color: var(--text-secondary); }
.text-center { text-align: center; }
.accent-text { color: var(--accent); font-family: var(--font-serif); font-style: italic; }

/* ===== Header & Navigation ===== */
.site-header {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.nav-links a:hover {
    color: var(--accent);
}

.nav-links .active {
    color: var(--accent);
}

/* ===== Hero Section ===== */
.hero {
    padding: 6rem 0 4rem;
    text-align: center;
}

.hero h1 {
    margin-bottom: 1rem;
}

.hero-sub {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Grid Layout ===== */
.post-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem 3rem;
    padding: 4rem 0;
}

@media (max-width: 768px) {
    .post-grid {
        grid-template-columns: 1fr;
    }
    h1 { font-size: 2.5rem; }
}

/* ===== Post Card ===== */
.post-card {
    display: flex;
    flex-direction: column;
    group: hover;
}

.post-card-image {
    aspect-ratio: 16/10;
    background-color: var(--surface);
    margin-bottom: 1.5rem;
    overflow: hidden;
    position: relative;
}

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

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

.post-card-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.post-card-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.post-card-excerpt {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-meta {
    margin-top: auto;
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    gap: 1rem;
    align-items: center;
}

.post-card-meta .dot {
    width: 3px;
    height: 3px;
    background: var(--border);
    border-radius: 50%;
}

/* ===== Post Detail ===== */
.post-header {
    text-align: center;
    padding: 6rem 0 4rem;
}

.post-header-meta {
    margin-bottom: 2rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    color: var(--accent);
}

.post-title-large {
    font-size: 4rem;
    max-width: 900px;
    margin: 0 auto 2rem;
}

.post-featured-image {
    margin: 0 auto 4rem;
    width: 100%;
    aspect-ratio: 21/9;
    background: var(--surface);
    overflow: hidden;
}

.post-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-content {
    font-size: 1.15rem;
    line-height: 1.9;
    color: #333;
}

.post-content p {
    margin-bottom: 2rem;
}

.post-content blockquote {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.5rem;
    padding: 2rem 0;
    margin: 2rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    text-align: center;
    color: var(--accent);
}

/* ===== Footer ===== */
.site-footer {
    padding: 6rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
    margin-top: 4rem;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin-bottom: 2rem;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== Buttons & Inputs ===== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--text-primary);
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: var(--accent);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--text-primary);
    background: transparent;
    color: var(--text-primary);
}

/* ===== Gallery ===== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding: 2rem 0;
}

.gallery-item {
    aspect-ratio: 1/1;
    overflow: hidden;
    background: var(--surface);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

@media (max-width: 992px) {
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
    .gallery-grid { grid-template-columns: 1fr; }
}

/* ===== Auth Forms ===== */
.auth-form-container {
    max-width: 400px;
    margin: 6rem auto;
    padding: 3rem;
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-control {
    width: 100%;
    padding: 0.75rem 0;
    border: none;
    border-bottom: 1px solid var(--border);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-bottom-color: var(--accent);
}

/* ===== Loading State ===== */
.loader {
    display: flex;
    justify-content: center;
    padding: 4rem;
}

.spinner {
    width: 30px;
    height: 30px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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