/* ============================================
   BİAN MİMARLIK - Component Styles
   ============================================ */

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--overlay-light);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.navbar.scrolled {
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xs) 0;
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    height: 50px;
    width: auto;
    transition: transform var(--transition-base);
    object-fit: contain;
    max-width: 150px;
}

.navbar .logo,
.navbar.scrolled .logo {
    filter: brightness(0) saturate(100%);
}

.logo:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    position: relative;
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: all var(--transition-base);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a1a 0%, #2c3e50 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

@media (max-width: 768px) {
    .hero-background {
        background-attachment: scroll;
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.85) 0%, rgba(44, 62, 80, 0.75) 100%);
    transition: background var(--transition-base);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--bg-primary);
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-2xl) 0;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s ease-out;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
    animation-fill-mode: both;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    color: #ffffff;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-buttons .btn-primary {
    background-color: var(--secondary-color);
    color: var(--bg-primary);
}

.hero-buttons .btn-primary:hover {
    background-color: #b8941f;
    transform: translateY(-2px);
}

.hero-buttons .btn-secondary {
    border-color: var(--bg-primary);
    color: var(--bg-primary);
}

.hero-buttons .btn-secondary:hover {
    background-color: var(--bg-primary);
    color: var(--primary-color);
}

/* About Section */
.about {
    background-color: var(--bg-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text h3 {
    color: var(--primary-color);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.about-text h3:first-child {
    margin-top: 0;
}

.about-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--secondary-color);
    font-family: var(--font-display);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-img {
    width: 100%;
    height: auto;
    transition: transform var(--transition-slow);
}

.image-wrapper:hover .about-img {
    transform: scale(1.05);
}

/* Services Section */
.services {
    background-color: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background-color: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--secondary-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary-color), #b8941f);
    border-radius: 50%;
    color: var(--bg-primary);
}

.service-icon svg {
    width: 40px;
    height: 40px;
}

.service-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Projects Section */
.projects {
    background-color: var(--bg-primary);
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-lg);
    background-color: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-secondary);
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: all var(--transition-base);
    background-color: var(--bg-primary);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.project-info {
    color: var(--bg-primary);
}

.project-info h3 {
    color: var(--bg-primary);
    margin-bottom: var(--spacing-xs);
}

.project-info p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
}

.project-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--secondary-color);
    color: var(--bg-primary);
    font-size: var(--font-size-xs);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Contact Section */
.contact {
    background-color: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--secondary-color);
    border-radius: 50%;
    color: var(--bg-primary);
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-details h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.contact-details p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.contact-details a {
    color: var(--text-secondary);
    transition: color var(--transition-base);
}

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

.contact-form {
    background-color: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

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

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

.contact-form .btn {
    width: 100%;
    margin-top: var(--spacing-sm);
}

/* Footer */
.footer {
    background-color: var(--bg-dark);
    color: var(--bg-primary);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    color: var(--bg-primary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.7);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

.footer-section ul li a:hover {
    color: var(--secondary-color);
}

.footer-logo .logo {
    filter: brightness(0) saturate(100%);
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--bg-primary);
    transition: all var(--transition-base);
}

.social-link:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
}

/* Chatbot */
.chatbot-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.chatbot-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    color: var(--bg-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.chatbot-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.chatbot-toggle svg {
    width: 28px;
    height: 28px;
}

.chatbot-window {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 400px;
    height: 600px;
    max-height: 80vh;
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 1001;
}

.chatbot-window.active {
    display: flex;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chatbot-header {
    background-color: var(--primary-color);
    color: var(--bg-primary);
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chatbot-header-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    color: var(--bg-primary);
}

.chatbot-header-content p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.chatbot-close {
    background: none;
    border: none;
    color: var(--bg-primary);
    cursor: pointer;
    padding: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base);
}

.chatbot-close:hover {
    transform: rotate(90deg);
}

.chatbot-close svg {
    width: 24px;
    height: 24px;
}

.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.chatbot-message {
    display: flex;
    margin-bottom: var(--spacing-sm);
}

.user-message {
    justify-content: flex-end;
}

.bot-message {
    justify-content: flex-start;
}

.message-content {
    max-width: 80%;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.user-message .message-content {
    background-color: var(--secondary-color);
    color: var(--bg-primary);
}

.message-content p {
    margin: 0;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.typing-indicator {
    opacity: 0.7;
}

.typing-indicator .message-content p::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

.chatbot-input-container {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-primary);
}

#chatbotInput {
    flex: 1;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    resize: none;
    min-height: 44px;
    max-height: 120px;
}

#chatbotInput:focus {
    outline: none;
    border-color: var(--secondary-color);
}

#chatbotSend {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius);
    background-color: var(--secondary-color);
    color: var(--bg-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

#chatbotSend:hover {
    background-color: #b8941f;
    transform: translateY(-2px);
}

#chatbotSend:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#chatbotSend svg {
    width: 20px;
    height: 20px;
}