/* ==========================================================================
   AYDIN ATÖLYE - Premium Architectural Furniture Design System
   Color Palette: Anthracite #222222 | Off-White #F7F4F0 | Copper #B77A4F
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600&display=swap');

:root {
    --anthracite: #171717;
    --off-white: #F9F3ED;
    --accent: #D97D4D;
    --accent-hover: #F4A86B;
    --dark: #121212;
    --card: #1F1F1F;
    --border: rgba(249, 243, 237, 0.18);
    --border-accent: rgba(217, 125, 77, 0.55);
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --container-max: 1400px;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--anthracite);
    color: var(--off-white);
}

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

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

ul, ol {
    list-style: none;
}

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

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
}

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

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
}

/* Section Spacing */
.section {
    padding: 120px 0;
    position: relative;
}

@media (max-width: 992px) {
    .section {
        padding: 80px 0;
    }
}

/* Typography Utilities */
.eyebrow {
    font-family: var(--font-heading);
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2.5px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    display: inline-block;
}

.hero-brand {
    display: inline-block;
    margin-bottom: 18px;
    font-family: var(--font-heading);
    font-size: clamp(2.8rem, 4vw, 5rem);
    font-weight: 500;
    line-height: 0.95;
    letter-spacing: -0.08em;
    color: #ffffff;
    text-transform: uppercase;
}

.section-title-wrapper {
    margin-bottom: 60px;
}

.section-title-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 20px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 400;
    line-height: 1.25;
    color: var(--off-white);
    max-width: 750px;
}

.view-all-link {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid transparent;
    transition: var(--transition-fast);
}

.view-all-link:hover {
    color: var(--off-white);
    border-bottom-color: var(--accent);
}

.view-all-link svg {
    transition: transform 0.3s ease;
}

.view-all-link:hover svg {
    transform: translateX(6px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 36px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-radius: 2px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--off-white);
    border: 1px solid var(--accent);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(183, 122, 79, 0.25);
}

.btn-outline {
    background-color: transparent;
    color: var(--off-white);
    border: 1px solid var(--accent);
}

.btn-outline:hover {
    background-color: rgba(183, 122, 79, 0.1);
    color: var(--off-white);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn svg {
    transition: transform 0.3s ease;
}

.btn:hover svg {
    transform: translate(3px, -3px);
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 90px;
    z-index: 1000;
    transition: var(--transition-smooth);
    background-color: var(--anthracite);
    border-bottom: 1px solid transparent;
}

.site-header.scrolled {
    height: 80px;
    background-color: rgba(34, 34, 34, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom-color: var(--border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.brand-logo {
    display: flex;
    align-items: center;
    height: 48px;
}

.brand-logo img {
    height: 44px;
    width: auto;
    object-fit: contain;
    filter: brightness(1.05);
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(247, 244, 240, 0.8);
    position: relative;
    padding: 10px 0;
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--off-white);
}

.nav-link.active {
    color: var(--off-white);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent);
    animation: lineGrow 0.3s ease forwards;
}

@keyframes lineGrow {
    from { width: 0; }
    to { width: 100%; }
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-cta {
    padding: 12px 24px;
    font-size: 0.8rem;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--off-white);
    transition: var(--transition-fast);
}

@media (max-width: 992px) {
    .mobile-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 400px;
        height: 100vh;
        background-color: var(--dark);
        flex-direction: column;
        justify-content: center;
        padding: 60px 40px;
        transition: var(--transition-smooth);
        border-left: 1px solid var(--border);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 30px;
        width: 100%;
    }
    
    .nav-link {
        font-size: 1.1rem;
    }
    
    .header-actions {
        display: none;
    }
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    padding-top: 140px;
    padding-bottom: 80px;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 48% 52%;
    gap: 40px;
    align-items: center;
}

.hero-content {
    padding-right: 20px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(4rem, 6vw, 7rem);
    font-weight: 700;
    line-height: 0.9;
    color: var(--off-white);
    margin-bottom: 24px;
    letter-spacing: -0.08em;
}

.hero-title span {
    display: block;
}

.hero-description {
    font-size: 1.2rem;
    color: rgba(247, 244, 240, 0.75);
    font-weight: 400;
    margin-bottom: 40px;
    max-width: 520px;
    line-height: 1.7;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* Hero Slider Right */
.hero-slider-wrapper {
    position: relative;
    width: 100%;
    border-radius: 2px;
    overflow: hidden;
    background-color: var(--dark);
    border: 1px solid var(--border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.hero-slider-container {
    position: relative;
    width: 100%;
    height: 520px;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    transform: scale(1.04);
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

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

.hero-slide-badge {
    position: absolute;
    bottom: 24px;
    left: 24px;
    background-color: rgba(24, 24, 24, 0.85);
    backdrop-filter: blur(8px);
    padding: 10px 20px;
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.slider-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background-color: var(--dark);
    border-top: 1px solid var(--border);
}

.slider-arrows {
    display: flex;
    align-items: center;
    gap: 16px;
}

.slider-arrow {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--off-white);
    border: 1px solid var(--border);
    transition: var(--transition-fast);
}

.slider-arrow:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.slider-dots {
    display: flex;
    align-items: center;
    gap: 10px;
}

.slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(247, 244, 240, 0.3);
    cursor: pointer;
    transition: var(--transition-fast);
}

.slider-dot.active {
    background-color: var(--accent);
    transform: scale(1.3);
}

@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    .hero-content {
        padding-right: 0;
    }
    .hero-slider-container {
        height: 380px;
    }
}

/* ==========================================================================
   ADVANTAGES SECTION (BELOW HERO)
   ========================================================================== */
.advantages-section {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background-color: var(--dark);
    padding: 50px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.advantage-item {
    padding: 20px 30px;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.advantage-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 15%;
    height: 70%;
    width: 1px;
    background-color: var(--border);
}

.advantage-icon {
    width: 44px;
    height: 44px;
    color: var(--accent);
    display: flex;
    align-items: center;
}

.advantage-icon svg {
    width: 36px;
    height: 36px;
    stroke-width: 1.5;
}

.advantage-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--off-white);
}

.advantage-desc {
    font-size: 0.9rem;
    color: rgba(247, 244, 240, 0.65);
    font-weight: 300;
    line-height: 1.5;
}

@media (max-width: 992px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px 0;
    }
    .advantage-item:nth-child(2)::after {
        display: none;
    }
    .advantage-item:nth-child(1), .advantage-item:nth-child(2) {
        border-bottom: 1px solid var(--border);
        padding-bottom: 30px;
    }
}

@media (max-width: 576px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    .advantage-item::after {
        display: none !important;
    }
    .advantage-item {
        border-bottom: 1px solid var(--border) !important;
        padding: 20px 0;
    }
    .advantage-item:last-child {
        border-bottom: none !important;
    }
}

/* ==========================================================================
   PROJECTS SECTION & CARDS
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.project-card {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: 2px;
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-card-image {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 5;
    overflow: hidden;
}

.project-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card-info {
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--card);
    border-top: 1px solid var(--border);
    flex-grow: 1;
}

.project-card-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--off-white);
    transition: var(--transition-fast);
}

.project-card-arrow {
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-accent);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.project-card:hover .project-card-image img {
    transform: scale(1.07);
}

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

.project-card:hover .project-card-arrow {
    transform: translateX(4px);
}

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

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

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

/* ==========================================================================
   SERVICES PREVIEW SECTION
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-box {
    background-color: var(--dark);
    border: 1px solid var(--border);
    padding: 40px 30px;
    transition: var(--transition-smooth);
    position: relative;
}

.service-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 300;
    color: rgba(183, 122, 79, 0.4);
    margin-bottom: 20px;
    line-height: 1;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 16px;
    color: var(--off-white);
}

.service-desc {
    font-size: 0.95rem;
    color: rgba(247, 244, 240, 0.65);
    margin-bottom: 24px;
    line-height: 1.6;
}

.service-link {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.service-box:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.service-box:hover .service-number {
    color: var(--accent);
}

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

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

/* ==========================================================================
   PROCESS TIMELINE SECTION (NASIL ÇALIŞIYORUZ)
   ========================================================================== */
.process-section {
    background-color: var(--dark);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    position: relative;
}

.process-step {
    padding: 30px 20px;
    position: relative;
    border-left: 1px solid var(--border);
}

.process-number {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 20px;
}

.process-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 12px;
    color: var(--off-white);
}

.process-desc {
    font-size: 0.88rem;
    color: rgba(247, 244, 240, 0.6);
    line-height: 1.5;
}

@media (max-width: 992px) {
    .process-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px 20px;
    }
}

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

/* ==========================================================================
   ABOUT PREVIEW & FEATURED SPOTLIGHT
   ========================================================================== */
.about-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    border: 1px solid var(--border);
    padding: 12px;
    background-color: var(--dark);
}

.about-image-wrapper img {
    width: 100%;
    height: 480px;
    object-fit: cover;
}

.about-text-content p {
    font-size: 1.05rem;
    color: rgba(247, 244, 240, 0.75);
    margin-bottom: 24px;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

.stat-item-num {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 6px;
}

.stat-item-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(247, 244, 240, 0.6);
}

@media (max-width: 992px) {
    .about-split {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-image-wrapper img {
        height: 360px;
    }
}

/* ==========================================================================
   CTA BANNER SECTION
   ========================================================================== */
.cta-banner {
    background-color: var(--dark);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(circle, rgba(183, 122, 79, 0.08) 0%, rgba(34, 34, 34, 0) 70%);
    pointer-events: none;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 3.5vw, 3.5rem);
    font-weight: 400;
    max-width: 800px;
    margin: 0 auto 36px;
    line-height: 1.25;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
    background-color: #141414;
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: rgba(247, 244, 240, 0.6);
    font-size: 0.95rem;
    margin-top: 20px;
    max-width: 320px;
    line-height: 1.7;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--off-white);
    margin-bottom: 24px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(247, 244, 240, 0.65);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-contact-info p {
    color: rgba(247, 244, 240, 0.65);
    font-size: 0.9rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact-info svg {
    color: var(--accent);
    flex-shrink: 0;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.85rem;
    color: rgba(247, 244, 240, 0.4);
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

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

/* ==========================================================================
   PAGE SPECIFIC: HİZMETLER (SERVICES EDITORIAL MAGAZINE STYLE)
   ========================================================================== */
.services-editorial-list {
    display: flex;
    flex-direction: column;
    gap: 100px;
}

.service-editorial-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding-bottom: 80px;
    border-bottom: 1px solid var(--border);
}

.service-editorial-item:nth-child(even) {
    direction: rtl;
}

.service-editorial-item:nth-child(even) .service-editorial-content {
    direction: ltr;
}

.service-editorial-image {
    position: relative;
    border: 1px solid var(--border);
    background-color: var(--dark);
    padding: 10px;
}

.service-editorial-image img {
    width: 100%;
    height: 440px;
    object-fit: cover;
}

.service-editorial-content {
    padding: 20px 0;
}

.service-num-badge {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 16px;
    display: inline-block;
}

.service-editorial-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 400;
    margin-bottom: 20px;
    line-height: 1.25;
}

.service-editorial-text {
    font-size: 1.05rem;
    color: rgba(247, 244, 240, 0.7);
    margin-bottom: 30px;
    line-height: 1.7;
}

@media (max-width: 992px) {
    .service-editorial-item, .service-editorial-item:nth-child(even) {
        grid-template-columns: 1fr;
        direction: ltr;
        gap: 30px;
    }
}

/* ==========================================================================
   PAGE SPECIFIC: PORTFOLYO (FILTERS & LIGHTBOX)
   ========================================================================== */
.portfolio-filter-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.filter-btn {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(247, 244, 240, 0.6);
    padding: 10px 20px;
    border: 1px solid var(--border);
    transition: var(--transition-fast);
}

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

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

.portfolio-item {
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.portfolio-item.hide {
    display: none;
}

/* Lightbox Modal */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(15px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    padding: 40px;
}

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

.lightbox-content {
    max-width: 1100px;
    width: 100%;
    background-color: var(--card);
    border: 1px solid var(--border);
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    position: relative;
    max-height: 85vh;
    overflow: hidden;
}

.lightbox-img-wrapper {
    height: 100%;
    background-color: var(--dark);
}

.lightbox-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lightbox-details {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    color: var(--off-white);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

@media (max-width: 992px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .lightbox-content {
        grid-template-columns: 1fr;
        max-height: 90vh;
        overflow-y: auto;
    }
}

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

/* ==========================================================================
   PAGE SPECIFIC: İLETİŞİM (CONTACT 2-COLUMN FORM)
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 80px;
}

.contact-info-card {
    background-color: var(--dark);
    border: 1px solid var(--border);
    padding: 50px 40px;
}

.contact-info-item {
    margin-bottom: 36px;
}

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

.contact-info-label {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
}

.contact-info-value {
    font-size: 1.1rem;
    color: var(--off-white);
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--card);
    border: 1px solid var(--border);
    padding: 50px 40px;
}

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

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: rgba(247, 244, 240, 0.8);
    margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 16px;
    background-color: var(--dark);
    border: 1px solid var(--border);
    color: var(--off-white);
    font-size: 0.95rem;
    border-radius: 2px;
    transition: var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(183, 122, 79, 0.15);
}

.form-select option {
    background-color: var(--dark);
    color: var(--off-white);
}

.form-textarea {
    min-height: 140px;
    resize: vertical;
}

@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}