/* =============================================
   RENDE AHSAP - Main Stylesheet
   ============================================= */

/* Font Tanımları */
@font-face {
    font-family: 'Bernardo Moda';
    src: url('../fonts/Bernardo_Moda.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%; /* iOS font-size adjustment */
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 300;
    color: #1a1a1a;
    background: #ffffff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden; /* Yatay kaydırmayı engelle */
}

a {
    text-decoration: none;
    color: inherit;
    -webkit-tap-highlight-color: transparent; /* iOS tap highlight kaldır */
}

img {
    max-width: 100%;
    height: auto;
    display: block; /* Resim altındaki boşluğu kaldır */
}

/* Touch cihazlarda hover problemini çöz */
@media (hover: none) {
    .project-card:hover img,
    .gallery-item:hover img {
        transform: none;
    }

    .project-card:hover .project-card-overlay {
        opacity: 0;
    }
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    padding: 15px 60px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.navbar.scrolled .logo .logo-main,
.navbar.scrolled .nav-links a {
    color: #1a1a1a;
}

.navbar.scrolled .logo .logo-tagline {
    color: rgba(26,26,26,0.7);
}

.logo {
    font-family: 'Bernardo Moda', serif;
    font-weight: normal;
    text-decoration: none;
    transition: color 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1;
}

.logo .logo-main {
    font-size: 2.4rem;
    letter-spacing: 0.15em;
    color: #ffffff;
    transition: color 0.3s ease;
}

.logo .logo-tagline {
    font-size: 0.55rem;
    letter-spacing: 0.18em;
    color: rgba(255,255,255,0.8);
    margin-top: 0.25rem;
    transition: color 0.3s ease;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #ffffff;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Dark Navbar (for inner pages) */
.navbar.dark .logo .logo-main,
.navbar.dark .nav-links a {
    color: #1a1a1a;
}

.navbar.dark .logo .logo-tagline {
    color: rgba(26,26,26,0.6);
}

.navbar.dark {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: #ffffff;
    transition: all 0.3s ease;
}

.navbar.scrolled .menu-toggle span,
.navbar.dark .menu-toggle span {
    background: #1a1a1a;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 28px;
    font-family: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
    color: #ffffff;
    transition: color 0.3s ease;
}

.navbar.scrolled .lang-toggle,
.navbar.dark .lang-toggle {
    color: #1a1a1a;
}

.lang-toggle button {
    background: none;
    border: none;
    padding: 4px 6px;
    font: inherit;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: inherit;
    cursor: pointer;
    opacity: 0.55;
    transition: opacity 0.2s ease;
}

.lang-toggle button:hover {
    opacity: 0.9;
}

.lang-toggle button.active {
    opacity: 1;
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-thickness: 1px;
}

.lang-toggle .sep {
    opacity: 0.35;
    font-size: 0.7rem;
    user-select: none;
}

.mobile-nav .lang-toggle {
    color: #1a1a1a;
    margin: 30px 0 0;
    justify-content: center;
}

.mobile-nav .lang-toggle button {
    font-size: 0.95rem;
    padding: 6px 10px;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #ffffff;
    z-index: 999;
    justify-content: center;
    align-items: center;
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav ul {
    list-style: none;
    text-align: center;
}

.mobile-nav ul li {
    margin: 20px 0;
}

.mobile-nav ul a {
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #1a1a1a;
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-slider {
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
}

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

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.5));
}

.slide-content {
    position: absolute;
    bottom: 15%;
    left: 60px;
    color: #ffffff;
}

.slide-content span {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0.8;
}

.slide-content h2 {
    font-size: 3.5rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-top: 10px;
}

/* Hero Navigation */
.hero-nav {
    position: absolute;
    bottom: 40px;
    right: 60px;
    display: flex;
    gap: 15px;
}

.hero-nav button {
    width: 50px;
    height: 50px;
    border: 1px solid rgba(255,255,255,0.5);
    background: transparent;
    color: #ffffff;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-nav button:hover {
    background: #ffffff;
    color: #1a1a1a;
}

/* Page Hero (Inner Pages) */
.page-hero {
    height: 50vh;
    min-height: 400px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
}

.page-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #ffffff;
}

.page-hero-content h1 {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.page-hero-content p {
    margin-top: 15px;
    font-size: 1rem;
    opacity: 0.9;
    max-width: 600px;
}

/* Project Detail Hero */
.project-hero {
    height: 80vh;
    position: relative;
    display: flex;
    align-items: flex-end;
    background-size: cover;
    background-position: center;
}

.project-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0) 50%);
}

.project-hero-content {
    position: relative;
    z-index: 1;
    padding: 60px;
    color: #ffffff;
}

.project-hero-content span {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0.8;
}

.project-hero-content h1 {
    font-size: 3.5rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-top: 10px;
}

/* =============================================
   SECTIONS
   ============================================= */
section {
    padding: 100px 60px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header span {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #888;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-top: 10px;
}

/* =============================================
   PROJECTS GRID (MOB Style)
   ============================================= */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
}

.project-card {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    cursor: pointer;
}

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

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

.project-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.4);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    color: #ffffff;
}

.project-card:hover .project-card-overlay {
    opacity: 1;
}

.project-card-overlay span {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0.8;
}

.project-card-overlay h3 {
    font-size: 1.3rem;
    font-weight: 400;
    margin-top: 8px;
}

/* View All Button */
.view-all-container {
    text-align: center;
    margin-top: 60px;
}

.btn-view-all {
    display: inline-block;
    padding: 15px 40px;
    border: 1px solid #1a1a1a;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.btn-view-all:hover {
    background: #1a1a1a;
    color: #ffffff;
}

/* =============================================
   PROJECT INFO BAR
   ============================================= */
.project-info-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.info-item {
    padding: 30px 40px;
    text-align: center;
    border-right: 1px solid #eee;
}

.info-item:last-child {
    border-right: none;
}

.info-item span {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #888;
    margin-bottom: 8px;
}

.info-item strong {
    font-size: 1rem;
    font-weight: 400;
}

/* =============================================
   PROJECT CONTENT
   ============================================= */
.project-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    padding: 80px 60px;
}

.project-description h3 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 25px;
}

.project-description p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.project-features h4 {
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 25px;
}

.project-features ul {
    list-style: none;
}

.project-features li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    color: #666;
    display: flex;
    align-items: center;
    gap: 10px;
}

.project-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #1a1a1a;
    border-radius: 50%;
}

/* =============================================
   PROJECT VIDEO
   ============================================= */
.project-video {
    padding: 40px 60px;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
}

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

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

/* =============================================
   PROJECT GALLERY
   ============================================= */
.project-gallery {
    padding: 0 60px 80px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

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

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

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

.gallery-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

/* =============================================
   PROJECT NAVIGATION
   ============================================= */
.project-nav {
    display: flex;
    border-top: 1px solid #eee;
}

.project-nav a {
    flex: 1;
    padding: 40px 60px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: background 0.3s ease;
}

.project-nav a:first-child {
    border-right: 1px solid #eee;
}

.project-nav a:last-child {
    justify-content: flex-end;
    text-align: right;
}

.project-nav a:hover {
    background: #f9f9f9;
}

.project-nav span {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #888;
}

.project-nav strong {
    display: block;
    font-weight: 400;
    margin-top: 5px;
}

/* =============================================
   ABOUT PAGE
   ============================================= */
.about-story {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-story-image {
    aspect-ratio: 4/5;
    overflow: hidden;
}

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

.about-story-content h3 {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 30px;
}

.about-story-content p {
    color: #666;
    line-height: 1.9;
    margin-bottom: 20px;
}

/* Values */
.values-section {
    background: #f9f9f9;
}

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

.value-card {
    background: #ffffff;
    padding: 50px 40px;
    text-align: center;
}

.value-card .number {
    font-size: 3rem;
    font-weight: 200;
    color: #ddd;
    margin-bottom: 20px;
}

.value-card h4 {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 15px;
}

.value-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Workshop */
.workshop-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.workshop-grid img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

/* =============================================
   CONTACT PAGE
   ============================================= */
.contact-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 30px;
    position: relative;
}

.form-group label {
    position: absolute;
    left: 0;
    top: 15px;
    font-size: 0.9rem;
    color: #999;
    pointer-events: none;
    transition: all 0.25s ease;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 0;
    border: none;
    border-bottom: 1px solid #ddd;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: transparent;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1a1a1a;
}

/* Floating Label Effect */
.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -8px;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #1a1a1a;
}

.form-group textarea {
    resize: none;
    min-height: 100px;
}

.form-group textarea + label {
    top: 15px;
}

.btn-submit {
    display: inline-block;
    padding: 18px 50px;
    background: #1a1a1a;
    color: #ffffff;
    border: none;
    font-family: inherit;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background: #333;
}

/* Contact Info */
.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 30px;
}

.contact-info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-info-item svg {
    flex-shrink: 0;
    color: #888;
}

.contact-info-item h4 {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #888;
    margin-bottom: 8px;
    font-weight: 400;
}

.contact-info-item p {
    color: #1a1a1a;
    line-height: 1.6;
}

.contact-info-item a {
    color: #1a1a1a;
    transition: color 0.3s ease;
}

.contact-info-item a:hover {
    color: #666;
}

/* Map */
.map-section {
    padding: 0;
}

.map-container {
    width: 100%;
    height: 450px;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.map-container:hover {
    filter: grayscale(0%);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: #1a1a1a;
    color: #ffffff;
    padding: 80px 60px 40px;
}

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

.footer-brand .logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 20px;
}

.footer-brand .logo .logo-main {
    font-size: 2rem;
    letter-spacing: 0.15em;
    color: #ffffff;
}

.footer-brand .logo .logo-tagline {
    font-size: 0.5rem;
    letter-spacing: 0.18em;
    color: rgba(255,255,255,0.6);
    margin-top: 0.25rem;
}

.footer-brand p {
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 300px;
}

.footer-column h4 {
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 25px;
    font-weight: 400;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #ffffff;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.4);
    font-size: 0.85rem;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: rgba(255,255,255,0.6);
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: #ffffff;
}

/* =============================================
   WHATSAPP BUTTON
   ============================================= */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    z-index: 999;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn svg {
    width: 30px;
    height: 30px;
}

/* =============================================
   BACK TO TOP BUTTON
   ============================================= */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #1a1a1a;
    border: none;
    color: #ffffff;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: #333;
}

/* =============================================
   404 PAGE
   ============================================= */
.error-page {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px;
}

.error-page h1 {
    font-size: 8rem;
    font-weight: 200;
    color: #eee;
    line-height: 1;
}

.error-page h2 {
    font-size: 2rem;
    font-weight: 300;
    margin: 20px 0;
}

.error-page p {
    color: #666;
    margin-bottom: 40px;
}

.error-page .btn-view-all {
    display: inline-block;
}

/* =============================================
   REFERANSLAR PAGE
   ============================================= */
.referanslar-content {
    padding: 80px 60px;
}

/* Legacy list styles (backup compat) */
.referanslar-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.referanslar-list ul {
    list-style: none;
}

.referanslar-list li {
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.85rem;
    color: #444;
    letter-spacing: 0.02em;
}

.referanslar-note {
    margin-top: 60px;
    padding: 30px;
    background: #f9f9f9;
    font-size: 0.85rem;
    color: #666;
    line-height: 1.8;
    border-left: 3px solid #ddd;
}

/* New referanslar v2 styles */
.ref-list {
    max-width: 900px;
    margin: 0 auto;
}

.ref-item {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 20px 16px;
    border-bottom: 1px solid #eee;
    position: relative;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(12px);
}

.ref-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.ref-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #1a1a1a;
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.ref-item:hover {
    background: #fafafa;
}

.ref-item:hover::before {
    transform: scaleY(1);
}

.ref-num {
    font-size: 1.1rem;
    font-weight: 300;
    color: #ccc;
    min-width: 32px;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.ref-item:hover .ref-num {
    color: #1a1a1a;
}

.ref-info {
    flex: 1;
    min-width: 0;
}

.ref-info h4 {
    font-size: 0.9rem;
    font-weight: 500;
    color: #1a1a1a;
    letter-spacing: 0.02em;
    margin: 0;
    line-height: 1.4;
}

.ref-detail {
    display: block;
    font-size: 0.75rem;
    color: #999;
    margin-top: 3px;
    letter-spacing: 0.03em;
    font-weight: 300;
}

.ref-location {
    font-size: 0.75rem;
    color: #999;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
    flex-shrink: 0;
    font-weight: 300;
}

.ref-nda {
    margin-top: 60px;
    padding: 40px;
    background: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.ref-nda svg {
    color: #666;
    flex-shrink: 0;
}

.ref-nda p {
    font-size: 0.8rem;
    color: #888;
    letter-spacing: 0.05em;
    font-weight: 300;
    margin: 0;
    line-height: 1.6;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
    section {
        padding: 80px 40px;
    }

    .navbar {
        padding: 15px 30px;
    }

    .navbar.scrolled {
        padding: 12px 30px;
    }

    .nav-links {
        gap: 18px;
    }

    .nav-links a {
        font-size: 0.7rem;
    }

    .logo .logo-main {
        font-size: 2rem;
    }

    .logo .logo-tagline {
        font-size: 0.5rem;
    }

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

    .about-story,
    .contact-section {
        grid-template-columns: 1fr;
        gap: 60px;
    }

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

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

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

    .info-item:nth-child(2) {
        border-right: none;
    }

    .info-item:nth-child(3),
    .info-item:nth-child(4) {
        border-top: 1px solid #eee;
    }

    .project-content {
        grid-template-columns: 1fr;
        gap: 60px;
        padding: 60px 40px;
    }

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

    .gallery-item.large {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 900px) {
    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .navbar > .lang-toggle {
        display: none;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 25px;
    }

    .navbar {
        padding: 15px 20px;
    }

    .navbar.scrolled {
        padding: 12px 20px;
    }

    .logo .logo-main {
        font-size: 1.8rem;
    }

    .logo .logo-tagline {
        font-size: 0.45rem;
        letter-spacing: 0.12em;
    }

    .slide-content {
        left: 25px;
        right: 25px;
    }

    .slide-content h2 {
        font-size: 2.5rem;
    }

    .hero-nav {
        right: 25px;
    }

    .page-hero-content h1 {
        font-size: 2rem;
        letter-spacing: 0.1em;
    }

    .project-hero {
        height: 60vh;
    }

    .project-hero-content {
        padding: 30px 25px;
    }

    .project-hero-content h1 {
        font-size: 2.5rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .project-info-bar {
        grid-template-columns: 1fr 1fr;
    }

    .info-item {
        padding: 20px;
    }

    .project-content {
        padding: 40px 25px;
    }

    .project-video {
        padding: 30px 25px;
    }

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

    .project-gallery {
        padding: 0 25px 60px;
    }

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

    .gallery-item.large {
        grid-column: span 1;
    }

    .referanslar-content {
        padding: 40px 25px;
    }

    .referanslar-list {
        grid-template-columns: 1fr;
    }

    .ref-item {
        gap: 16px;
        padding: 16px 12px;
    }

    .ref-num {
        font-size: 0.9rem;
        min-width: 26px;
    }

    .ref-info h4 {
        font-size: 0.85rem;
    }

    .ref-location {
        font-size: 0.7rem;
    }

    .ref-nda {
        padding: 30px 25px;
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .project-nav {
        flex-direction: column;
    }

    .project-nav a {
        padding: 30px 25px;
        border-right: none;
        border-bottom: 1px solid #eee;
    }

    .project-nav a:last-child {
        justify-content: flex-start;
        text-align: left;
        border-bottom: none;
    }

    .whatsapp-btn {
        width: 50px;
        height: 50px;
        bottom: 20px;
        left: 20px;
    }

    .whatsapp-btn svg {
        width: 24px;
        height: 24px;
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }

    .error-page h1 {
        font-size: 5rem;
    }

    .error-page h2 {
        font-size: 1.5rem;
    }

    .contact-section {
        padding: 40px 25px;
    }

    .map-container {
        height: 300px;
    }
}

/* Çok küçük ekranlar (480px ve altı) */
@media (max-width: 480px) {
    section {
        padding: 40px 15px;
    }

    .navbar {
        padding: 15px;
    }

    .navbar.scrolled {
        padding: 12px 15px;
    }

    .logo .logo-main {
        font-size: 1.5rem;
    }

    .logo .logo-tagline {
        font-size: 0.4rem;
        letter-spacing: 0.1em;
    }

    .page-hero {
        height: 40vh;
        min-height: 300px;
    }

    .page-hero-content h1 {
        font-size: 1.6rem;
        letter-spacing: 0.08em;
    }

    .page-hero-content p {
        font-size: 0.85rem;
    }

    .project-hero {
        height: 50vh;
    }

    .project-hero-content {
        padding: 20px 15px;
    }

    .project-hero-content h1 {
        font-size: 1.8rem;
    }

    .project-hero-content span {
        font-size: 0.65rem;
    }

    .section-header h2 {
        font-size: 1.6rem;
    }

    .section-header span {
        font-size: 0.65rem;
    }

    /* Project Info Bar - 2x2 grid */
    .project-info-bar {
        grid-template-columns: 1fr 1fr;
    }

    .info-item {
        padding: 15px 10px;
        font-size: 0.9rem;
    }

    .info-item span {
        font-size: 0.6rem;
        margin-bottom: 5px;
    }

    .info-item strong {
        font-size: 0.85rem;
    }

    /* Project Content */
    .project-content {
        padding: 30px 15px;
        gap: 40px;
    }

    .project-description h3 {
        font-size: 1.2rem;
        margin-bottom: 15px;
    }

    .project-description p {
        font-size: 0.9rem;
        line-height: 1.7;
    }

    .project-features h4 {
        font-size: 0.85rem;
        margin-bottom: 15px;
    }

    .project-features li {
        font-size: 0.85rem;
        padding: 10px 0;
    }

    /* Video */
    .project-video {
        padding: 20px 15px;
    }

    /* Gallery */
    .project-gallery {
        padding: 0 15px 40px;
    }

    .gallery-grid {
        gap: 10px;
    }

    /* Referanslar */
    .referanslar-content {
        padding: 30px 15px;
    }

    .referanslar-list li {
        font-size: 0.8rem;
        padding: 8px 0;
    }

    .ref-item {
        gap: 12px;
        padding: 14px 8px;
    }

    .ref-num {
        font-size: 0.8rem;
        min-width: 22px;
    }

    .ref-info h4 {
        font-size: 0.8rem;
    }

    .ref-detail {
        font-size: 0.7rem;
    }

    .ref-location {
        font-size: 0.65rem;
    }

    .ref-nda {
        padding: 25px 15px;
    }

    .ref-nda p {
        font-size: 0.75rem;
    }

    /* Project Nav */
    .project-nav a {
        padding: 20px 15px;
    }

    .project-nav span {
        font-size: 0.6rem;
    }

    .project-nav strong {
        font-size: 0.85rem;
    }

    /* About Page */
    .about-story {
        gap: 40px;
    }

    .about-story-content h3 {
        font-size: 1.5rem;
        margin-bottom: 20px;
    }

    .about-story-content p {
        font-size: 0.9rem;
    }

    .value-card {
        padding: 30px 20px;
    }

    .value-card .number {
        font-size: 2rem;
    }

    .value-card h4 {
        font-size: 1rem;
    }

    .value-card p {
        font-size: 0.85rem;
    }

    /* Contact Page */
    .contact-section {
        padding: 30px 15px;
        gap: 40px;
    }

    .contact-form h3,
    .contact-info h3 {
        font-size: 1.2rem;
        margin-bottom: 20px;
    }

    .form-group {
        margin-bottom: 20px;
    }

    .form-group label {
        font-size: 0.7rem;
    }

    .form-group input,
    .form-group textarea {
        font-size: 0.9rem;
        padding: 12px 0;
    }

    .btn-submit {
        width: 100%;
        padding: 15px 30px;
        font-size: 0.75rem;
    }

    .contact-info-item {
        gap: 15px;
        margin-bottom: 25px;
    }

    .contact-info-item svg {
        width: 20px;
        height: 20px;
    }

    .contact-info-item h4 {
        font-size: 0.7rem;
    }

    .contact-info-item p {
        font-size: 0.85rem;
    }

    .map-container {
        height: 250px;
    }

    /* Footer */
    .footer {
        padding: 50px 15px 30px;
    }

    .footer-content {
        gap: 30px;
        margin-bottom: 40px;
    }

    .footer-brand .logo .logo-main {
        font-size: 1.6rem;
    }

    .footer-brand .logo .logo-tagline {
        font-size: 0.4rem;
    }

    .footer-brand p {
        font-size: 0.85rem;
    }

    .footer-column h4 {
        font-size: 0.7rem;
        margin-bottom: 15px;
    }

    .footer-column a,
    .footer-column li {
        font-size: 0.85rem;
    }

    .footer-bottom {
        padding-top: 25px;
    }

    .footer-bottom p {
        font-size: 0.75rem;
    }

    .social-links {
        gap: 15px;
    }

    .social-links a svg {
        width: 18px;
        height: 18px;
    }

    /* Error Page */
    .error-page {
        padding: 40px 20px;
    }

    .error-page h1 {
        font-size: 4rem;
    }

    .error-page h2 {
        font-size: 1.2rem;
    }

    .error-page p {
        font-size: 0.9rem;
    }

    .btn-view-all {
        padding: 12px 30px;
        font-size: 0.7rem;
    }
}