/* 
    Estanislao Santos - Premium Editorial Theme
    Dynamic, moody, modern aesthetic
*/

:root {
    --bg-base: #faf9f6;
    --bg-offset: #f2f0ec;
    --text-main: #111111;
    --text-muted: #666666;
    --accent: #b33939;
    /* Deep editorial red */
    --accent-hover: #ff5252;
    --border: #e2dfd8;

    --font-heading: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-body: 'Georgia', serif;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2.5rem;
    --space-lg: 5rem;
    --space-xl: 8rem;

    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-base);
    line-height: 1.7;
    font-size: 1.1rem;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
.brand {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: var(--space-sm);
}

h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
    font-weight: 600;
}

p {
    margin-bottom: var(--space-md);
}

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

a:hover,
a:focus {
    color: var(--accent);
}

/* Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Header */
.site-header {
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    background: rgba(250, 249, 246, 0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.site-header nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 800;
}

.nav-links a {
    margin-left: var(--space-md);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    color: var(--text-muted);
}

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

/* Hero Section */
.hero {
    max-width: 900px;
    margin: var(--space-xl) auto;
    text-align: center;
}

.hero p {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 300;
}

/* Gallery Header / Filters */
.gallery-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.gallery-header h1 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: var(--space-md);
}

.filters {
    margin-top: var(--space-md);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
}

.filter-btn {
    background: transparent;
    border: none;
    padding: 0.5rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-smooth);
    border-radius: 50px;
}

.filter-btn:hover,
.filter-btn:focus,
.filter-btn.active {
    background: var(--text-main);
    color: #fff;
    outline: none;
}

/* Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg) var(--space-md);
    margin-bottom: var(--space-xl);
}

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

@media (min-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Cards */
.card {
    display: block;
    transition: var(--transition-smooth);
}

.card figure {
    width: 100%;
    aspect-ratio: 3/2;
    overflow: hidden;
    background: var(--bg-offset);
    position: relative;
    border-radius: 4px;
}

.card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    filter: grayscale(20%);
}

.card:hover img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

.card-content {
    padding: var(--space-sm) 0;
}

.card-category {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 0.5rem;
    display: block;
    font-weight: 700;
}

.card-content h2 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.card-content p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Single Photo Page */
.single-photo {
    max-width: 1200px;
    margin-bottom: var(--space-xl);
    padding-top: var(--space-md);
}

.main-figure {
    margin-bottom: var(--space-lg);
    background: var(--bg-offset);
    padding: var(--space-sm);
    border-radius: 4px;
}

.main-figure img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
    max-height: 85vh;
}

.main-figure figcaption {
    margin-top: var(--space-sm);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    text-align: right;
    padding-right: var(--space-xs);
}

.photo-details {
    max-width: 800px;
    margin: 0 auto var(--space-lg);
}

.photo-details h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-md);
    text-align: center;
}

.story p {
    font-size: 1.25rem;
    color: var(--text-main);
    line-height: 1.8;
}

.story p::first-letter {
    font-size: 3.5rem;
    line-height: 1;
    float: left;
    margin-right: 0.5rem;
    color: var(--accent);
    font-family: var(--font-heading);
    font-weight: 700;
}

/* Navigation Buttons */
.photo-nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-sm);
    align-items: center;
    border-top: 1px solid var(--border);
    padding-top: var(--space-lg);
    margin-top: var(--space-lg);
}

.nav-prev {
    text-align: left;
}

.nav-next {
    text-align: right;
}

.btn,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    transition: var(--transition-smooth);
    border-radius: 50px;
}

.btn {
    background: var(--text-main);
    color: #fff;
    border: 2px solid var(--text-main);
}

.btn:hover,
.btn:focus {
    background: transparent;
    color: var(--text-main);
}

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

.btn-outline:hover,
.btn-outline:focus {
    border-color: var(--text-main);
    background: var(--text-main);
    color: #fff;
}

.center-btn {
    text-align: center;
    margin-bottom: var(--space-xl);
}

/* Footer */
.site-footer {
    background: var(--text-main);
    color: var(--bg-offset);
    padding: var(--space-lg) var(--space-md);
    text-align: center;
    font-family: var(--font-heading);
}

.site-footer p {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0;
    opacity: 0.7;
}

/* Image fallback */
img {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-weight: 300;
    line-height: 2;
    text-align: center;
}

img::before {
    content: "We're sorry, the image below is broken :(";
    display: block;
    margin-bottom: 10px;
}

img::after {
    content: "(url: " attr(src) ")";
    display: block;
    font-size: 12px;
}