/* ============================================
   MOHAMED YOUSSEF INNOVATIONS - DARK THEME CSS
   Inspired by hsi-eg.com, adapted with dark theme
   ============================================ */

/* ----- CSS Variables ----- */
:root {
    --color-bg: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-card: #161616;
    --color-bg-hover: #1a1a1a;
    --color-text: #f5f5f5;
    --color-text-secondary: #a0a0a0;
    --color-text-muted: #666666;
    --color-accent: #c9a96e;
    --color-accent-hover: #d4b97e;
    --color-border: #222222;
    --color-border-light: #333333;
    --color-white: #ffffff;
    --color-black: #000000;

    --font-display: 'Aldrich', sans-serif;
    --font-body: 'Aldrich', sans-serif;
    --font-sans: 'Aldrich', sans-serif;

    --container-max: 1400px;
    --container-padding: 40px;
    --header-height: 80px;

    --transition-fast: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

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

ul {
    list-style: none;
}

::selection {
    background-color: var(--color-accent);
    color: var(--color-black);
}

/* ----- Preloader ----- */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-black);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.preloader-text {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 300;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    animation: preloaderPulse 1.5s ease-in-out infinite;
}

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

/* ----- Header ----- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: background-color var(--transition-fast), backdrop-filter var(--transition-fast);
}

.site-header.scrolled {
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo a,
.site-logo-text {
    display: flex;
    align-items: baseline;
    gap: 8px;
    text-decoration: none;
}

.logo-m {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.logo-youssef {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-text);
}

/* Hamburger Menu Toggle */
.menu-toggle {
    width: 40px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding: 0;
    z-index: 1001;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 1.5px;
    background-color: var(--color-text);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.menu-toggle.active .hamburger-line:first-child {
    transform: translateY(4.75px) rotate(45deg);
}

.menu-toggle.active .hamburger-line:last-child {
    transform: translateY(-4.75px) rotate(-45deg);
}

/* ----- Menu Overlay ----- */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    overflow-y: auto;
    transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.menu-overlay-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 120px var(--container-padding) 60px;
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

.main-navigation {
    margin-bottom: 60px;
}

.menu-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.menu-link {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-text);
    transition: color var(--transition-fast);
    position: relative;
}

.menu-link:hover {
    color: var(--color-accent);
}

/* Menu Project Categories */
.menu-project-categories {
    flex: 1;
}

.menu-category {
    text-align: center;
    margin-bottom: 40px;
}

.category-label {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: 15px;
}

.category-projects {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 20px;
}

.menu-project-link {
    font-family: var(--font-body);
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.menu-project-link:hover {
    color: var(--color-accent);
}

.menu-project-link sup {
    font-size: 0.65rem;
    font-family: var(--font-sans);
    color: var(--color-text-muted);
    margin-left: 2px;
    vertical-align: super;
}

.menu-project-link + .menu-project-link::before {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    background: var(--color-text-muted);
    border-radius: 50%;
    margin-right: 20px;
    vertical-align: middle;
}

/* Menu Footer */
.menu-footer {
    margin-top: auto;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.menu-social {
    display: flex;
    gap: 30px;
}

.menu-social a {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
}

.menu-email {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ----- Hero Section ----- */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-color: var(--color-bg);
    overflow: hidden;
}

.hero-content {
    text-align: center;
    padding: 0 var(--container-padding);
}

.hero-title {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-line {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 10vw, 10rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--color-text);
    display: block;
    opacity: 0;
    transform: translateY(40px);
}

.hero-line-italic {
    font-style: italic;
    font-weight: 400;
    font-size: clamp(3rem, 8vw, 8rem);
    color: var(--color-accent);
}

.hero-line.animated {
    opacity: 1;
    transform: translateY(0);
    transition: all var(--transition-slow);
}

.hero-tagline {
    margin-top: 30px;
    opacity: 0;
}

.hero-tagline.animated {
    opacity: 1;
    transition: opacity 1s ease 0.8s;
}

.hero-tagline p {
    font-family: var(--font-body);
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.1em;
}

.hero-scroll-indicator {
    display: inline-block;
    margin-top: 60px;
    color: var(--color-text-secondary);
    animation: scrollBounce 2s ease infinite;
}

.scroll-arrow {
    font-size: 1.5rem;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

/* ----- Marquee Section ----- */
.marquee-section {
    padding: 30px 0;
    overflow: hidden;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.marquee-track {
    display: flex;
    animation: marqueeScroll 30s linear infinite;
    white-space: nowrap;
}

.marquee-text {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    padding-right: 40px;
    flex-shrink: 0;
}

@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ----- Section Styles ----- */
.section-header {
    text-align: center;
    margin-bottom: 80px;
    padding: 0 var(--container-padding);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 15px;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 1.25rem;
    color: var(--color-text-secondary);
}

.section-label {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    display: block;
    margin-bottom: 20px;
}

.section-cta {
    text-align: center;
    padding: 60px var(--container-padding);
}

/* ----- Featured Projects Section ----- */
.projects-section {
    padding: 120px 0 80px;
}

.projects-showcase {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.project-card {
    position: relative;
    overflow: hidden;
}

.project-card:first-child {
    grid-column: 1 / -1;
}

.project-card-link {
    display: block;
    text-decoration: none;
    color: var(--color-text);
}

.project-card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background-color: var(--color-bg-card);
}

.project-card:first-child .project-card-image {
    aspect-ratio: 21 / 9;
}

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

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

.project-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    pointer-events: none;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-card-info {
    padding: 25px 0 10px;
}

.project-card-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
}

.project-category-tag,
.project-type-tag {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.project-type-tag {
    color: var(--color-text-muted);
}

.project-card-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 5px;
    transition: color var(--transition-fast);
}

.project-card-link:hover .project-card-title {
    color: var(--color-accent);
}

.project-location {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.project-view-btn {
    display: inline-block;
    margin-top: 15px;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.project-card-link:hover .project-view-btn {
    color: var(--color-accent);
}

/* ----- Categories Section ----- */
.categories-section {
    padding: 80px 0 120px;
}

.categories-grid {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.category-card {
    display: block;
    padding: 50px 40px;
    border: 1px solid var(--color-border);
    text-decoration: none;
    color: var(--color-text);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-accent);
    transform: translateY(100%);
    transition: transform var(--transition-medium);
    z-index: 0;
}

.category-card:hover::before {
    transform: translateY(0);
}

.category-card-inner {
    position: relative;
    z-index: 1;
}

.category-card:hover {
    border-color: var(--color-accent);
    color: var(--color-black);
}

.category-number {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 300;
    color: var(--color-border-light);
    display: block;
    margin-bottom: 20px;
    transition: color var(--transition-fast);
}

.category-card:hover .category-number {
    color: rgba(0,0,0,0.2);
}

.category-name {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.category-desc {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: 30px;
    line-height: 1.6;
    transition: color var(--transition-fast);
}

.category-card:hover .category-desc {
    color: rgba(0,0,0,0.7);
}

.category-count {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: 20px;
    transition: color var(--transition-fast);
}

.category-card:hover .category-count {
    color: rgba(0,0,0,0.5);
}

.category-arrow {
    font-size: 1.5rem;
    transition: transform var(--transition-fast);
    display: inline-block;
}

.category-card:hover .category-arrow {
    transform: translateX(10px);
}

/* ----- About Preview Section ----- */
.about-preview-section {
    padding: 120px 0;
    background-color: var(--color-bg-secondary);
}

.about-preview-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-preview-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 600;
    margin-bottom: 25px;
    line-height: 1.2;
}

.about-preview-text {
    font-family: var(--font-body);
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 35px;
    line-height: 1.8;
}

.about-preview-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 30px 15px;
    border: 1px solid var(--color-border);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    display: block;
    margin-bottom: 5px;
}

.stat-label {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

/* ----- Contact CTA Section ----- */
.contact-cta-section {
    padding: 120px 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.contact-cta-inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.contact-cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 600;
    margin-bottom: 20px;
}

.contact-cta-subtitle {
    font-family: var(--font-body);
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
}

.contact-cta-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ----- Buttons ----- */
.btn {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 16px 40px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

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

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

.btn-outline-light:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-large {
    padding: 18px 50px;
    font-size: 0.85rem;
}

/* ----- Page Hero ----- */
.page-hero {
    padding: 180px 0 80px;
    text-align: center;
    background-color: var(--color-bg);
}

.page-hero-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.page-hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 700;
    line-height: 1.1;
}

.page-hero-subtitle {
    font-family: var(--font-body);
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-top: 15px;
}

.archive-hero {
    padding: 180px 0 80px;
    text-align: center;
    background-color: var(--color-bg);
}

.archive-hero-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.archive-hero-label {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 15px;
}

.archive-hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 700;
    line-height: 1.1;
}

.archive-hero-subtitle {
    font-family: var(--font-body);
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-top: 15px;
}

/* ----- Projects Filter ----- */
.projects-filter {
    padding: 0 0 60px;
    background-color: var(--color-bg);
}

.filter-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-btn {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 10px 25px;
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ----- Projects Grid (Archive) ----- */
.projects-archive-grid {
    padding: 0 0 120px;
    background-color: var(--color-bg);
}

.projects-grid {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.project-grid-item {
    transition: opacity var(--transition-fast);
}

.project-grid-item.hidden {
    display: none;
}

.project-grid-link {
    display: block;
    text-decoration: none;
    color: var(--color-text);
}

.project-grid-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background-color: var(--color-bg-card);
}

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

.project-grid-link:hover .project-grid-image img {
    transform: scale(1.05);
}

.project-grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.project-grid-link:hover .project-grid-overlay {
    opacity: 1;
}

.view-project-text {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-white);
    padding: 12px 30px;
    border: 1px solid var(--color-white);
}

.project-grid-info {
    padding: 20px 0;
}

.project-grid-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 5px;
    transition: color var(--transition-fast);
}

.project-grid-link:hover .project-grid-title {
    color: var(--color-accent);
}

.project-grid-meta {
    display: flex;
    gap: 15px;
}

.project-grid-meta span {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

/* ----- Single Project ----- */
.project-hero {
    position: relative;
    height: 80vh;
    min-height: 500px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.project-hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.project-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
}

.project-hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 60px var(--container-padding);
    width: 100%;
}

.project-hero-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.project-hero-category,
.project-hero-type {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    padding: 6px 15px;
    border: 1px solid rgba(201, 169, 110, 0.3);
}

.project-hero-type {
    color: var(--color-text-secondary);
    border-color: rgba(255,255,255,0.2);
}

.project-hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: 10px;
}

.project-hero-location {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.05em;
}

/* Project Details */
.project-details {
    padding: 80px 0;
    border-bottom: 1px solid var(--color-border);
}

.project-details-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.project-info-grid {
    display: flex;
    gap: 60px;
    padding-bottom: 40px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
}

.project-info-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.info-label {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.info-value {
    font-family: var(--font-body);
    font-size: 1.125rem;
    color: var(--color-text);
}

.project-description {
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    max-width: 800px;
}

/* Project Gallery */
.project-gallery {
    padding: 80px 0;
}

.gallery-grid {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
}

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

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

.gallery-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

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

.gallery-zoom-icon {
    font-size: 2rem;
    color: var(--color-white);
    font-weight: 300;
}

/* Project Navigation */
.project-navigation {
    padding: 60px 0;
    border-top: 1px solid var(--color-border);
}

.project-nav-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.project-nav-link {
    text-decoration: none;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.project-nav-link:hover {
    color: var(--color-accent);
}

.nav-label {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: 5px;
}

.nav-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
}

.project-nav-all {
    padding: 12px 30px;
    border: 1px solid var(--color-border);
}

/* ----- About Page ----- */
.about-section {
    padding: 80px 0 120px;
}

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

.about-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 100px;
}

.about-headline {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 30px;
    line-height: 1.2;
}

.about-headline em {
    color: var(--color-accent);
    font-weight: 400;
}

.about-divider {
    width: 60px;
    height: 1px;
    background-color: var(--color-accent);
    margin: 30px auto;
}

.about-lead {
    font-family: var(--font-body);
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.9;
}

.about-philosophy {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
}

.philosophy-item {
    padding: 40px 30px;
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-fast);
}

.philosophy-item:hover {
    border-color: var(--color-accent);
}

.philosophy-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--color-accent);
    display: block;
    margin-bottom: 15px;
}

.philosophy-item h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.philosophy-item p {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Expertise Section */
.expertise-section {
    padding: 120px 0;
    background-color: var(--color-bg-secondary);
}

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

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.expertise-card {
    padding: 50px 40px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-fast);
}

.expertise-card:hover {
    border-color: var(--color-accent);
}

.expertise-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--color-accent);
}

.expertise-card p {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 25px;
}

.expertise-card ul {
    list-style: none;
}

.expertise-card li {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
    padding-left: 15px;
    position: relative;
}

.expertise-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 5px;
    height: 5px;
    background: var(--color-accent);
    border-radius: 50%;
    transform: translateY(-50%);
}

/* Stats Section */
.stats-section {
    padding: 80px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stats-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-block {
    text-align: center;
    padding: 40px 20px;
}

.stat-num {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-accent);
    display: block;
    margin-bottom: 10px;
}

.stat-txt {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

/* ----- Contact Page ----- */
.contact-section {
    padding: 80px 0 120px;
}

.contact-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.contact-info > p {
    font-family: var(--font-body);
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 50px;
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 50px;
}

.contact-detail-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.contact-detail-label {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.contact-detail-value {
    font-family: var(--font-body);
    font-size: 1.25rem;
    color: var(--color-text);
}

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

.contact-social-links {
    display: flex;
    gap: 25px;
    margin-top: 10px;
}

.contact-social-links a {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

/* Contact Form */
.contact-form h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
    border-radius: 0;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
    padding-right: 45px;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ----- Footer ----- */
.site-footer {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

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

.footer-top {
    padding: 80px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
}

.footer-logo-text {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
}

.footer-tagline {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-top: 5px;
}

.footer-cta-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.footer-middle {
    padding: 60px 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    border-bottom: 1px solid var(--color-border);
}

.footer-col h4 {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.footer-col p {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.footer-social-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-bottom {
    padding: 30px 0;
    text-align: center;
}

.footer-bottom p {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}

/* ----- Lightbox ----- */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.lightbox-overlay.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 40px;
    height: 60px;
    padding-top: 5px;
    background: none;
    border: 1px solid rgba(255,255,255,0.3);
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition-fast);
}

.lightbox-close:hover {
    border-color: var(--color-white);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: 1px solid rgba(255,255,255,0.3);
    color: var(--color-white);
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition-fast);
}

.lightbox-nav:hover {
    border-color: var(--color-white);
}

.lightbox-prev {
    left: 30px;
}

.lightbox-next {
    right: 30px;
}

/* ----- Default Content ----- */
.default-content,
.page-content {
    padding: 60px 0 120px;
}

.content-inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.content-inner h2,
.content-inner h3,
.content-inner h4 {
    font-family: var(--font-display);
    margin-bottom: 15px;
    margin-top: 40px;
}

.content-inner p {
    margin-bottom: 20px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.post-item {
    padding: 40px 0;
    border-bottom: 1px solid var(--color-border);
}

.post-item h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin-bottom: 10px;
}

.post-item h2 a:hover {
    color: var(--color-accent);
}

/* ----- Animations ----- */
/* Only hide elements when JS has loaded and added .js-animations to body */
body.js-animations [data-animation] {
    opacity: 0;
    transition: all var(--transition-slow);
}

body.js-animations [data-animation="slide-up"] {
    transform: translateY(40px);
}

body.js-animations [data-animation="fade-in"] {
    opacity: 0;
}

body.js-animations [data-animation].animated {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

/* ----- Responsive ----- */
@media (max-width: 1200px) {
    .projects-showcase {
        gap: 30px;
    }

    .categories-grid {
        gap: 20px;
    }
}

@media (max-width: 992px) {
    :root {
        --container-padding: 30px;
    }

    .projects-showcase {
        grid-template-columns: 1fr;
    }

    .project-card:first-child .project-card-image {
        aspect-ratio: 16 / 10;
    }

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

    .about-preview-inner {
        grid-template-columns: 1fr;
        gap: 60px;
    }

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

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

    .contact-inner {
        grid-template-columns: 1fr;
        gap: 60px;
    }

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

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

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

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

    .project-info-grid {
        flex-wrap: wrap;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 20px;
        --header-height: 70px;
    }

    .hero-line {
        font-size: clamp(2.5rem, 12vw, 5rem);
    }

    .hero-line-italic {
        font-size: clamp(2rem, 10vw, 4rem);
    }

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

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .footer-top {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .footer-middle {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-social-links {
        flex-direction: row;
        justify-content: center;
    }

    .footer-cta {
        text-align: center;
    }

    .menu-link {
        font-size: 2rem;
    }

    .menu-footer {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .menu-social {
        justify-content: center;
    }

    .project-nav-inner {
        flex-direction: column;
        gap: 20px;
    }

    .contact-cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .stats-inner {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .stat-num {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .about-preview-stats {
        grid-template-columns: 1fr;
    }

    .category-projects {
        flex-direction: column;
    }

    .menu-project-link + .menu-project-link::before {
        display: none;
    }

    .filter-inner {
        gap: 5px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.7rem;
    }
}

/* ----- Logo Image Styles ----- */
.custom-logo-link {
    display: flex;
    align-items: center;
}

.custom-logo {
    height: 60px;
    padding-top: 5px;
    width: auto;
    object-fit: contain;
}

.site-header.scrolled .custom-logo {
    height: 52px;
    padding-top: 5px;
}

.preloader-logo {
    height: clamp(60px, 10vw, 100px);
    width: auto;
    object-fit: contain;
    animation: preloaderPulse 1.5s ease-in-out infinite;
}

.footer-logo-link {
    display: inline-block;
}

.footer-logo-img {
    height: 90px;
    width: auto;
    object-fit: contain;
}