/**
 * Desing Studio - Main Stylesheet
 * Minimal, modern, kurumsal tasarım
 */

/* ========================================
   CSS Variables & Reset
   ======================================== */

:root {
    --ds-primary-color: #1a1a1a;
    --ds-secondary-color: #2d2d2d;
    --ds-accent-color: #d4af37;
    --ds-text-color: #1a1a1a;
    --ds-text-light: #666;
    --ds-bg-color: #ffffff;
    --ds-bg-light: #f8f8f8;
    --ds-border-color: #e0e0e0;
    --ds-header-font: 'Poppins', sans-serif;
    --ds-body-font: 'Inter', sans-serif;
    --ds-container-width: 1200px;
    --ds-spacing: 1rem;
    --ds-border-radius: 4px;
    --ds-transition: all 0.3s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--ds-body-font);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--ds-text-color);
    background-color: var(--ds-bg-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--ds-header-font);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--ds-primary-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--ds-primary-color);
}

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

/* ========================================
   Container & Layout
   ======================================== */

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

.ds-site {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.ds-site-main {
    flex: 1;
}

/* ========================================
   Header
   ======================================== */

.ds-header {
    background-color: var(--ds-bg-color);
    border-bottom: 1px solid var(--ds-border-color);
    padding: 1rem 0;
}

.ds-header.ds-sticky {
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.ds-site-branding {
    flex-shrink: 0;
}

.ds-logo img,
.ds-logo-light,
.ds-logo-dark {
    max-height: 50px;
    width: auto;
}

.ds-site-title {
    font-family: var(--ds-header-font);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ds-primary-color);
}

.ds-main-navigation {
    position: relative;
}

.ds-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 4px;
}

.ds-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--ds-primary-color);
    transition: var(--ds-transition);
}

.ds-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.ds-menu li {
    margin: 0;
}

.ds-menu a {
    color: var(--ds-text-color);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

.ds-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--ds-accent-color);
    transition: var(--ds-transition);
}

.ds-menu a:hover::after {
    width: 100%;
}

/* ========================================
   Hero Section
   ======================================== */

.ds-hero {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--ds-primary-color) 0%, var(--ds-secondary-color) 100%);
    color: #ffffff;
    text-align: center;
}

.ds-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.ds-hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ffffff;
}

.ds-hero-tagline {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.ds-hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Buttons
   ======================================== */

.ds-button {
    display: inline-block;
    padding: 0.75rem 2rem;
    font-family: var(--ds-body-font);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border: 2px solid transparent;
    border-radius: var(--ds-border-radius);
    cursor: pointer;
    transition: var(--ds-transition);
    text-decoration: none;
}

.ds-button-primary {
    background-color: var(--ds-accent-color);
    color: #ffffff;
    border-color: var(--ds-accent-color);
}

.ds-button-primary:hover {
    background-color: var(--ds-primary-color);
    border-color: var(--ds-primary-color);
    color: #ffffff;
}

.ds-button-outline {
    background-color: transparent;
    color: #ffffff;
    border-color: #ffffff;
}

.ds-button-outline:hover {
    background-color: #ffffff;
    color: var(--ds-primary-color);
}

.ds-button-text {
    color: var(--ds-accent-color);
    padding: 0.5rem 0;
    border: none;
    background: none;
}

.ds-button-text:hover {
    color: var(--ds-primary-color);
}

.ds-button-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

/* ========================================
   Sections
   ======================================== */

.ds-section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.ds-services-section,
.ds-portfolio-section,
.ds-blog-section {
    padding: 5rem 0;
}

.ds-services-section {
    background-color: var(--ds-bg-light);
}

/* ========================================
   Themes Section
   ======================================== */

.ds-themes-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--ds-bg-light) 0%, #ffffff 100%);
}

.ds-section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.ds-section-subtitle {
    font-size: 1.125rem;
    color: var(--ds-text-light);
    margin-top: 0.5rem;
}

.ds-themes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.ds-theme-card {
    background-color: var(--ds-bg-color);
    border-radius: var(--ds-border-radius);
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--ds-transition);
    display: flex;
    flex-direction: column;
}

.ds-theme-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.ds-theme-image {
    overflow: hidden;
    position: relative;
    aspect-ratio: 16/9;
}

.ds-theme-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--ds-transition);
}

.ds-theme-card:hover .ds-theme-image img {
    transform: scale(1.05);
}

.ds-theme-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.ds-theme-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ds-accent-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.ds-theme-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.ds-theme-title a {
    color: var(--ds-primary-color);
    transition: var(--ds-transition);
}

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

.ds-theme-description {
    color: var(--ds-text-light);
    margin-bottom: 1rem;
    flex: 1;
    line-height: 1.6;
}

.ds-theme-image {
    position: relative;
}

.ds-theme-demo-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 2;
}

.ds-demo-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.5rem 1rem;
    border-radius: var(--ds-border-radius);
    color: var(--ds-primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--ds-transition);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.ds-demo-link:hover {
    background: #ffffff;
    color: var(--ds-accent-color);
    transform: scale(1.05);
}

.ds-demo-link .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
}

.ds-theme-features {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.ds-theme-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--ds-text-light);
}

.ds-theme-features .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px;
    color: var(--ds-accent-color);
}

.ds-theme-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--ds-border-color);
    gap: 1rem;
    flex-wrap: wrap;
}

.ds-theme-price {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--ds-accent-color);
}

.ds-theme-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.ds-button-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.ds-button-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.ds-theme-footer .ds-button {
    white-space: nowrap;
}

.ds-themes-placeholder {
    text-align: center;
    padding: 3rem;
    color: var(--ds-text-light);
}

.ds-section-note {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--ds-text-light);
    font-style: italic;
}

.ds-theme-selected {
    background-color: var(--ds-bg-light);
    padding: 1rem;
    border-radius: var(--ds-border-radius);
    margin-top: 1rem;
    border-left: 3px solid var(--ds-accent-color);
}

.ds-theme-selected p {
    margin: 0;
    color: var(--ds-primary-color);
}

.ds-theme-selected strong {
    color: var(--ds-accent-color);
}

/* ========================================
   Services Grid
   ======================================== */

.ds-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.ds-service-card {
    background-color: var(--ds-bg-color);
    border-radius: var(--ds-border-radius);
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--ds-transition);
}

.ds-service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.ds-service-image {
    overflow: hidden;
}

.ds-service-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--ds-transition);
}

.ds-service-card:hover .ds-service-image img {
    transform: scale(1.05);
}

.ds-service-content {
    padding: 1.5rem;
}

.ds-service-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.ds-service-excerpt {
    color: var(--ds-text-light);
    margin-bottom: 1rem;
}

/* ========================================
   Portfolio Grid
   ======================================== */

.ds-portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

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

.ds-portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--ds-transition);
}

.ds-portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 2rem;
    color: #ffffff;
    transform: translateY(100%);
    transition: var(--ds-transition);
}

.ds-portfolio-item:hover .ds-portfolio-overlay {
    transform: translateY(0);
}

.ds-portfolio-item:hover img {
    transform: scale(1.1);
}

.ds-portfolio-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.ds-portfolio-excerpt {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

/* ========================================
   Blog Grid
   ======================================== */

.ds-blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.ds-blog-card {
    background-color: var(--ds-bg-color);
    border-radius: var(--ds-border-radius);
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--ds-transition);
}

.ds-blog-card:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.ds-blog-image {
    display: block;
    overflow: hidden;
}

.ds-blog-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--ds-transition);
}

.ds-blog-card:hover .ds-blog-image img {
    transform: scale(1.05);
}

.ds-blog-content {
    padding: 1.5rem;
}

.ds-blog-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.ds-blog-title a {
    color: var(--ds-primary-color);
}

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

.ds-blog-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--ds-text-light);
    margin-bottom: 1rem;
}

.ds-blog-excerpt {
    color: var(--ds-text-light);
    margin-bottom: 1rem;
}

/* ========================================
   Forms
   ======================================== */

.ds-contact-form,
.ds-quote-form {
    max-width: 800px;
    margin: 0 auto;
}

.ds-form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.ds-form-group {
    margin-bottom: 1.5rem;
}

.ds-form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--ds-primary-color);
}

.ds-form-group .required {
    color: #e74c3c;
}

.ds-input,
.ds-textarea,
.ds-select {
    width: 100%;
    padding: 0.75rem;
    font-family: var(--ds-body-font);
    font-size: 1rem;
    border: 1px solid var(--ds-border-color);
    border-radius: var(--ds-border-radius);
    transition: var(--ds-transition);
}

.ds-input:focus,
.ds-textarea:focus,
.ds-select:focus {
    outline: none;
    border-color: var(--ds-accent-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.ds-textarea {
    resize: vertical;
    min-height: 150px;
}

.ds-form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: var(--ds-border-radius);
    display: none;
}

.ds-form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.ds-form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

/* ========================================
   Contact Page
   ======================================== */

.ds-contact-page {
    padding: 3rem 0;
}

.ds-contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.ds-contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.ds-contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.ds-contact-item .dashicons {
    font-size: 2rem;
    color: var(--ds-accent-color);
    margin-top: 0.25rem;
}

.ds-contact-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.ds-contact-map {
    width: 100%;
    height: 400px;
    border-radius: var(--ds-border-radius);
    overflow: hidden;
}

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

/* ========================================
   Footer
   ======================================== */

.ds-footer {
    background-color: var(--ds-primary-color);
    color: #ffffff;
    padding: 3rem 0 1.5rem;
    margin-top: 5rem;
}

.ds-footer-widgets {
    margin-bottom: 2rem;
}

.ds-footer-widget-area {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.ds-footer-widget h3 {
    color: #ffffff;
    margin-bottom: 1rem;
}

.ds-footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 1rem;
}

.ds-footer-text {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.ds-footer-social {
    display: flex;
    gap: 1rem;
}

.ds-footer-social a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.5rem;
    transition: var(--ds-transition);
}

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

/* ========================================
   Single Portfolio & Service
   ======================================== */

.ds-single-portfolio,
.ds-single-service {
    padding: 3rem 0;
}

.ds-portfolio-header,
.ds-service-header {
    margin-bottom: 2rem;
}

.ds-portfolio-title,
.ds-service-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.ds-portfolio-subtitle {
    font-size: 1.25rem;
    color: var(--ds-text-light);
}

.ds-portfolio-featured-image,
.ds-service-image {
    margin-bottom: 2rem;
    border-radius: var(--ds-border-radius);
    overflow: hidden;
}

.ds-portfolio-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.ds-portfolio-main {
    font-size: 1.125rem;
    line-height: 1.8;
}

.ds-portfolio-sidebar {
    background-color: var(--ds-bg-light);
    padding: 2rem;
    border-radius: var(--ds-border-radius);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.ds-portfolio-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.ds-portfolio-technologies,
.ds-portfolio-categories {
    margin-bottom: 2rem;
}

.ds-portfolio-technologies h3,
.ds-portfolio-categories h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.ds-portfolio-categories ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ds-portfolio-categories li {
    margin-bottom: 0.5rem;
}

.ds-service-content {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.ds-service-footer {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--ds-border-color);
}

/* ========================================
   Utility Classes
   ======================================== */

.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

.ds-section-footer {
    text-align: center;
    margin-top: 3rem;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    .ds-menu-toggle {
        display: flex;
    }
    
    .ds-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--ds-bg-color);
        padding: 1rem;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        display: none;
        gap: 0;
    }
    
    .ds-menu.active {
        display: flex;
    }
    
    .ds-menu li {
        border-bottom: 1px solid var(--ds-border-color);
    }
    
    .ds-menu li:last-child {
        border-bottom: none;
    }
    
    .ds-hero-title {
        font-size: 2.5rem;
    }
    
    .ds-contact-content {
        grid-template-columns: 1fr;
    }
    
    .ds-footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .ds-form-row {
        grid-template-columns: 1fr;
    }
    
    .ds-themes-grid {
        grid-template-columns: 1fr;
    }
    
    .ds-theme-footer {
        flex-direction: column;
        align-items: stretch;
    }
    
    .ds-theme-footer .ds-button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .ds-hero-title {
        font-size: 2rem;
    }
    
    .ds-section-title {
        font-size: 2rem;
    }
    
    .ds-services-grid,
    .ds-portfolio-grid,
    .ds-blog-grid {
        grid-template-columns: 1fr;
    }
    
    .ds-portfolio-content {
        grid-template-columns: 1fr;
    }
    
    .ds-portfolio-sidebar {
        position: static;
    }
}