/*
Theme Name: Isabel Portfolio
Theme URI: https://isabelpalacio.com/
Author: Isabel Palacio
Author URI: https://isabelpalacio.com/
Description: Minimalist dark portfolio theme inspired by Slate Format - clean gallery layout for designer and video creator
Version: 2.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: isabel-portfolio
*/

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

:root {
    --color-bg: #0a0a08;
    --color-bg-secondary: #141416;
    --color-bg-elevated: #1c1c1f;
    --color-text: #e8e8e8;
    --color-text-secondary: #a0a0a0;
    --color-text-muted: #666666;
    --color-accent: #c9a96e;
    --color-accent-hover: #dbb97e;
    --color-border: rgba(255, 255, 255, 0.07);
    --color-white: #ffffff;
    --color-black: #000000;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1100px;
    --header-height: 140px;
    --radius: 10px;
    --radius-sm: 6px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.3;
    color: var(--color-white);
}

h1 {
    font-size: 2.2rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 1.5rem;
}

h3 {
    font-size: 1.2rem;
}

/* ===========================================
   Header - Slate Style (Centered)
   =========================================== */
.site-header {
    padding: 50px 0 0;
    text-align: center;
    background-color: var(--color-bg);
    position: relative;
    z-index: 100;
}

.header-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding-bottom: 50px;
    border-bottom: 1px solid var(--color-border);
}

/* Logo & Branding */
.site-branding {
    display: flex;
    align-items: center;
    justify-content: center;
}

.site-logo {
    font-family: var(--font-primary);
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    text-transform: none;
    text-decoration: none;
    color: var(--color-white);
    transition: var(--transition);
}

.site-logo:hover {
    opacity: 0.7;
}

/* Custom Logo (WordPress) */
.site-branding .custom-logo-link {
    display: flex;
    align-items: center;
}

.site-branding .custom-logo {
    max-height: 80px;
    width: auto;
    height: auto;
}

/* Navigation */
.main-navigation {
    display: flex;
    align-items: center;
}

.main-navigation ul {
    display: flex;
    gap: 36px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-navigation li {
    margin: 0;
    padding: 0;
}

.main-navigation a {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-weight: 400;
    color: var(--color-text-muted);
    text-decoration: none;
    padding: 4px 0;
    transition: var(--transition);
    position: relative;
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.main-navigation a:hover::after,
.main-navigation .current-menu-item a::after {
    width: 100%;
}

.main-navigation a:hover,
.main-navigation .current-menu-item a {
    color: var(--color-white);
}

/* Header Social Links */
.header-social {
    display: flex;
    gap: 18px;
    margin-top: 4px;
}

.header-social a {
    color: var(--color-text-muted);
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.header-social a:hover {
    color: var(--color-accent);
}

.header-social svg {
    width: 15px;
    height: 15px;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    position: relative;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background-color: var(--color-white);
    margin: 5px 0;
    transition: var(--transition);
    transform-origin: center;
}

/* Hamburger to X animation */
.menu-toggle.active span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* Prevent body scroll when menu is open */
body.menu-open {
    overflow: hidden;
}

/* ===========================================
   Gallery / Portfolio Grid
   =========================================== */
.gallery-section {
    padding: 50px 0 80px;
}

.gallery-section .container {
    max-width: 1400px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    max-width: 1400px;
    margin: 0 auto;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    background-color: var(--color-bg-secondary);
    display: block;
    cursor: pointer;
    border-radius: var(--radius);
    aspect-ratio: 16 / 10;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover {
    transform: translateY(-5px) scale(1.015);
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5),
                0 0 0 1px rgba(201, 169, 110, 0.12);
    z-index: 2;
}

/* Override mosaic-tall - uniform grid */
.gallery-item.mosaic-tall {
    grid-row: span 1;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                filter 0.5s ease;
    display: block;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

/* Gallery entrance animation */
.gallery-item.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item.fade-in.visible:hover {
    transform: translateY(-5px) scale(1.015);
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5),
                0 0 0 1px rgba(201, 169, 110, 0.12);
}

/* Gallery item overlay */
.gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.3) 60%, transparent 100%);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.4s ease, transform 0.4s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item-title {
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: 4px;
}

.gallery-item-category {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-accent);
}

/* Play button overlay for videos */
.gallery-item-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    width: 52px;
    height: 52px;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition), transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    backdrop-filter: blur(4px);
}

.gallery-item:hover .gallery-item-play {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.gallery-item-play svg {
    width: 20px;
    height: 20px;
    color: var(--color-bg);
    margin-left: 2px;
}

/* Gallery placeholder */
.gallery-item-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-secondary);
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* Category Section Headers */
.gallery-category-header {
    grid-column: 1 / -1;
    padding: 50px 0 20px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.gallery-category-header::before,
.gallery-category-header::after {
    content: '';
    flex: 1;
    max-width: 120px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border));
}

.gallery-category-header::after {
    background: linear-gradient(90deg, var(--color-border), transparent);
}

.gallery-category-header:first-child {
    padding-top: 10px;
}

.gallery-category-title {
    font-family: var(--font-primary);
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--color-text-secondary);
}

/* No Portfolio Message */
.no-portfolio-message {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    padding: 100px 20px;
    grid-column: 1 / -1;
}

/* ===========================================
   About / Info Page Section
   =========================================== */
.info-section {
    padding: 100px 0 120px;
    position: relative;
    border-top: 1px solid var(--color-border);
}

.info-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
}

.info-content {
    max-width: 620px;
    margin: 0 auto;
    text-align: center;
    padding-top: 40px;
}

.info-content .about-image {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 35px;
    border: 2px solid var(--color-border);
    padding: 3px;
    background: var(--color-bg);
}

.info-content .about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.info-content h3 {
    font-size: 1.15rem;
    font-weight: 500;
    margin-bottom: 24px;
    color: var(--color-white);
}

.info-content p {
    color: var(--color-text-secondary);
    font-size: 0.92rem;
    line-height: 1.85;
    margin-bottom: 16px;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 32px;
    justify-content: center;
}

.skills-list span {
    padding: 7px 18px;
    border: 1px solid var(--color-border);
    border-radius: 24px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    transition: var(--transition);
}

.skills-list span:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(201, 169, 110, 0.06);
}

/* ===========================================
   Contact Section
   =========================================== */
.contact-section {
    padding: 100px 0 120px;
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
    position: relative;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
}

.contact-content {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
    padding-top: 40px;
}

.contact-content h3 {
    font-family: var(--font-primary);
    font-size: 1.7rem;
    font-weight: 400;
    margin-bottom: 12px;
}

.contact-content > p {
    color: var(--color-text-secondary);
    font-size: 0.88rem;
    margin-bottom: 40px;
    line-height: 1.7;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-details li {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.contact-details li svg {
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
}

.contact-details a:hover {
    color: var(--color-accent);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 25px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.social-links a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(201, 169, 110, 0.06);
}

.social-links a svg {
    width: 16px;
    height: 16px;
}

/* Contact Form */
.contact-form {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    text-align: left;
}

.contact-form .form-group {
    margin-bottom: 24px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.68rem;
    color: var(--color-text-muted);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-sm);
    background-color: var(--color-bg-secondary);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 0.88rem;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-bg-elevated);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.08);
}

.contact-form input.error,
.contact-form textarea.error {
    border-color: #e05555;
}

.contact-form textarea {
    min-height: 130px;
    resize: vertical;
}

.contact-form button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-sm);
    background: var(--color-accent);
    color: var(--color-bg);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 600;
    font-size: 0.73rem;
    cursor: pointer;
    transition: var(--transition);
}

.contact-form button:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(201, 169, 110, 0.25);
}

/* ===========================================
   Footer - Slate Style
   =========================================== */
.site-footer {
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: 40px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer-logo {
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
}

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

.footer-text {
    color: var(--color-text-muted);
    font-size: 0.7rem;
    letter-spacing: 0.02em;
}

.site-footer .social-links {
    margin-top: 0;
}

.site-footer .social-links a {
    border-color: var(--color-border);
    color: var(--color-text-muted);
    width: 36px;
    height: 36px;
}

.site-footer .social-links a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ===========================================
   Single Portfolio Page
   =========================================== */

/* Portfolio Hero */
.portfolio-hero {
    background-color: var(--color-bg);
    padding: 40px 0 30px;
    text-align: center;
}

.portfolio-hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.portfolio-category {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    margin-bottom: 15px;
}

.portfolio-title {
    font-family: var(--font-primary);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 400;
    margin-bottom: 15px;
    line-height: 1.3;
    color: var(--color-white);
}

.portfolio-excerpt {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Portfolio Content */
.portfolio-content {
    background-color: var(--color-bg);
}

.portfolio-content .section {
    padding: 40px 0 80px;
}

.portfolio-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 50px;
    align-items: start;
}

.portfolio-main {
    min-width: 0;
}

.portfolio-video {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    margin-bottom: 35px;
    border-radius: var(--radius);
}

.portfolio-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.portfolio-featured-image {
    margin-bottom: 35px;
    border-radius: var(--radius);
    overflow: hidden;
}

.portfolio-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.portfolio-description {
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.portfolio-description p {
    margin-bottom: 18px;
}

.portfolio-description h2,
.portfolio-description h3,
.portfolio-description h4 {
    color: var(--color-white);
    margin: 25px 0 12px;
}

.portfolio-description ul,
.portfolio-description ol {
    margin: 18px 0;
    padding-left: 20px;
}

.portfolio-description li {
    margin-bottom: 8px;
    list-style: disc;
}

.portfolio-description a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.portfolio-description a:hover {
    opacity: 0.7;
}

/* Portfolio Gallery */
.portfolio-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-top: 35px;
}

.portfolio-gallery .gallery-item {
    overflow: hidden;
    border-radius: var(--radius-sm);
    aspect-ratio: auto;
}

.portfolio-gallery .gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s ease;
}

.portfolio-gallery .gallery-item:hover img {
    transform: scale(1.03);
}

/* Portfolio Sidebar */
.portfolio-sidebar {
    position: sticky;
    top: 30px;
}

.portfolio-info-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 25px;
    margin-bottom: 20px;
}

.portfolio-info-card h3 {
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.info-item {
    margin-bottom: 16px;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-label {
    display: block;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.info-value {
    font-size: 0.85rem;
    color: var(--color-text);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background-color: transparent;
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-sm);
    color: var(--color-accent);
    font-size: 0.75rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: var(--transition);
    width: 100%;
    justify-content: center;
}

.project-link:hover {
    background-color: var(--color-accent);
    color: var(--color-bg);
    border-color: var(--color-accent);
}

.share-item .share-links {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}

.share-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.share-links a:hover {
    background-color: var(--color-accent);
    color: var(--color-bg);
    border-color: var(--color-accent);
}

.back-to-portfolio {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 400;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.back-to-portfolio:hover {
    color: var(--color-accent);
}

/* Related Projects */
.related-projects {
    background-color: var(--color-bg);
    padding: 60px 0 80px;
    border-top: 1px solid var(--color-border);
}

.related-projects .section-header {
    text-align: center;
    margin-bottom: 30px;
}

.related-projects .section-title {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-secondary);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.work-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    aspect-ratio: 4/3;
}

.work-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.work-item:hover img {
    transform: scale(1.03);
}

.work-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 25px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.work-item:hover .work-overlay {
    opacity: 1;
}

.work-overlay h4 {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.work-overlay p {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    margin-bottom: 10px;
}

.view-work {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    border-bottom: 1px solid var(--color-accent);
    padding-bottom: 2px;
}

/* ===========================================
   Animations
   =========================================== */
.fade-in {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

    .portfolio-layout {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .portfolio-sidebar {
        position: static;
    }

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

@media (max-width: 768px) {
    :root {
        --header-height: 120px;
    }

    .menu-toggle {
        display: block;
        position: absolute;
        top: 20px;
        right: 20px;
        z-index: 1001;
    }

    .site-header {
        padding: 25px 0 0;
    }

    .header-inner {
        padding-bottom: 20px;
    }

    .main-navigation {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-bg);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: 1000;
    }

    .main-navigation.active {
        opacity: 1;
        visibility: visible;
    }

    .main-navigation ul {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .main-navigation a {
        font-size: 1rem;
        letter-spacing: 0.2em;
    }

    .gallery-section {
        padding: 30px 0 60px;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .gallery-item {
        border-radius: var(--radius-sm);
    }

    .gallery-item.mosaic-tall {
        grid-row: span 1;
    }

    .gallery-item.fade-in {
        transform: none;
    }

    .gallery-item.fade-in.visible:hover {
        transform: none;
        box-shadow: none;
    }

    .gallery-category-header {
        padding: 35px 0 15px;
    }

    .gallery-category-header::before,
    .gallery-category-header::after {
        max-width: 60px;
    }

    .header-social {
        display: none;
    }

    .info-section {
        padding: 70px 0 80px;
    }

    .info-section::before,
    .contact-section::before {
        height: 40px;
    }

    .info-content {
        padding-top: 20px;
    }

    .contact-section {
        padding: 70px 0 80px;
    }

    .contact-content {
        padding: 20px 10px 0;
    }

    .portfolio-hero {
        padding: 30px 0 20px;
    }

    .portfolio-gallery {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

    .skills-list span {
        padding: 5px 14px;
        font-size: 0.65rem;
    }

    .contact-content h3 {
        font-size: 1.4rem;
    }
}

/* ===========================================
   Utility Classes
   =========================================== */
.text-center {
    text-align: center;
}

.section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-secondary);
}

/* ===========================================
   Blog Posts (index.php)
   =========================================== */
.posts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 40px 0 80px;
    max-width: 700px;
    margin: 0 auto;
}

.post-item {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 40px;
}

.post-thumbnail {
    margin-bottom: 20px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.post-thumbnail img {
    width: 100%;
    height: auto;
    transition: transform 0.6s ease;
}

.post-thumbnail:hover img {
    transform: scale(1.02);
}

.post-title {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.post-title a:hover {
    color: var(--color-accent);
}

.post-excerpt {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    line-height: 1.7;
    margin-bottom: 15px;
}

.read-more {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-text-muted);
    padding-bottom: 2px;
}

.read-more:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* Alert messages */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-bottom: 24px;
}

.alert-success {
    background: rgba(201, 169, 110, 0.08);
    border: 1px solid rgba(201, 169, 110, 0.2);
    color: var(--color-accent);
}

.alert-error {
    background: rgba(255, 50, 50, 0.08);
    border: 1px solid rgba(255, 50, 50, 0.2);
    color: var(--color-text);
}