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

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

:root {
    --primary-dark: #0a1628;
    --primary-blue: #1a3a5c;
    --accent-blue: #2563eb;
    --white: #ffffff;
    --light-gray: #f8fafc;
    --text-gray: #86868b;
    --border-color: #e2e8f0;
    
    /* Apple-style font weights */
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.5;
    color: var(--primary-dark);
    background-color: var(--white);
    font-weight: var(--font-regular);
    letter-spacing: -0.01em;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.header.transparent {
    background: transparent;
}

.header.scrolled {
    background: var(--primary-dark);
    padding: 15px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.header.scrolled .logo {
    width: 75px;
    height: 75px;
}

.logo span {
    color: var(--accent-blue);
    font-weight: var(--font-bold);
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-menu a {
    color: var(--white);
    font-weight: var(--font-medium);
    font-size: 15px;
    position: relative;
    padding: 5px 0;
    transition: color 0.3s ease;
    letter-spacing: 0.01em;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: width 0.3s ease;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s ease;
}

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

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

.slide.active {
    opacity: 1;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.slide-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.85) 0%, rgba(26, 58, 92, 0.7) 100%);
}

.slide-content {
    position: relative;
    z-index: 10;
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 10%;
}

.slide-text {
    max-width: 600px;
}

.slide-text h1 {
    font-size: 64px;
    font-weight: var(--font-semibold);
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.slide-text p {
    font-size: 19px;
    font-weight: var(--font-light);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    line-height: 1.6;
    letter-spacing: 0.01em;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: var(--font-medium);
    border-radius: 980px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    letter-spacing: 0.01em;
}

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

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary-dark);
}

/* Slider Navigation */
.slider-nav {
    position: absolute;
    bottom: 40px;
    left: 10%;
    display: flex;
    gap: 12px;
    z-index: 20;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: var(--accent-blue);
    transform: scale(1.2);
}

/* Social Media Sidebar */
.social-sidebar {
    position: absolute;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 20px;
    z-index: 20;
}

.social-sidebar a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 18px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-sidebar a:hover {
    background: var(--accent-blue);
    transform: translateX(-5px);
    border-color: var(--accent-blue);
}

/* ===== SECTIONS ===== */
.section {
    padding: 100px 0;
}

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

.section-header h2 {
    font-size: 48px;
    font-weight: var(--font-semibold);
    color: var(--primary-dark);
    margin-bottom: 16px;
    letter-spacing: -0.025em;
}

.section-header p {
    font-size: 19px;
    font-weight: var(--font-light);
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
}

.section-header .line {
    width: 60px;
    height: 4px;
    background: var(--accent-blue);
    margin: 20px auto 0;
}

/* ===== ABOUT SECTION ===== */
.about-section {
    background: var(--light-gray);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.about-image .experience-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--accent-blue);
    color: var(--white);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.experience-badge .number {
    font-size: 48px;
    font-weight: 700;
    display: block;
}

.experience-badge span {
    font-size: 14px;
}

.about-content h3 {
    font-size: 40px;
    font-weight: var(--font-semibold);
    color: var(--primary-dark);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.about-content p {
    font-size: 17px;
    font-weight: var(--font-light);
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-item i {
    width: 24px;
    height: 24px;
    background: var(--accent-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

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

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.service-card .icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.service-card .icon i {
    font-size: 30px;
    color: var(--white);
}

.service-card h3 {
    font-size: 21px;
    font-weight: var(--font-semibold);
    color: var(--primary-dark);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.service-card p {
    font-size: 15px;
    font-weight: var(--font-light);
    color: var(--text-gray);
    line-height: 1.6;
}

/* ===== PROJECTS SECTION ===== */
.projects-filter {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 24px;
    background: transparent;
    border: 1.5px solid var(--border-color);
    border-radius: 980px;
    font-size: 14px;
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-gray);
    letter-spacing: 0.01em;
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.project-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
}

.project-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(transparent, rgba(10, 22, 40, 0.95));
    color: var(--white);
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.3s ease;
}

.project-card:hover .project-overlay {
    transform: translateY(0);
    opacity: 1;
}

.project-overlay .category {
    font-size: 12px;
    font-weight: var(--font-medium);
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 6px;
}

.project-overlay h3 {
    font-size: 19px;
    font-weight: var(--font-semibold);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.project-overlay p {
    font-size: 14px;
    font-weight: var(--font-light);
    opacity: 0.85;
}

.project-status {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-completed {
    background: #10b981;
    color: var(--white);
}

.status-ongoing {
    background: #f59e0b;
    color: var(--white);
}

/* ===== STATS SECTION ===== */
.stats-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue));
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    color: var(--white);
}

.stat-item .number {
    font-size: 64px;
    font-weight: var(--font-semibold);
    color: var(--accent-blue);
    display: block;
    letter-spacing: -0.03em;
}

.stat-item span {
    font-size: 15px;
    font-weight: var(--font-light);
    opacity: 0.85;
    letter-spacing: 0.01em;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    background: var(--light-gray);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 32px;
    font-weight: var(--font-semibold);
    color: var(--primary-dark);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.contact-info p {
    font-size: 17px;
    font-weight: var(--font-light);
    color: var(--text-gray);
    margin-bottom: 30px;
    line-height: 1.6;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-item .icon {
    width: 50px;
    height: 50px;
    background: var(--accent-blue);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 16px;
    color: var(--primary-dark);
    margin-bottom: 5px;
}

.contact-item span {
    color: var(--text-gray);
    font-size: 15px;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: var(--font-medium);
    font-size: 14px;
    color: var(--primary-dark);
    letter-spacing: 0.01em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 15px;
    font-weight: var(--font-regular);
    font-family: inherit;
    transition: border-color 0.3s ease;
}

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

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-about .logo {
    margin-bottom: 20px;
    display: inline-block;
}

.footer-about p {
    font-size: 15px;
    font-weight: var(--font-light);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--accent-blue);
}

.footer-column h4 {
    font-size: 14px;
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-blue);
}

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

.footer-column ul li a {
    font-size: 14px;
    font-weight: var(--font-light);
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

.footer-column ul li a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    padding: 25px 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* ===== PAGE BANNER ===== */
.page-banner {
    height: 50vh;
    min-height: 350px;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.9), rgba(26, 58, 92, 0.85)),
                url('../images/banner-bg.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.page-banner h1 {
    font-size: 56px;
    font-weight: var(--font-semibold);
    margin-bottom: 16px;
    letter-spacing: -0.03em;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 10px;
    font-size: 16px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

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

.breadcrumb span {
    color: var(--accent-blue);
}

/* ===== PROJECT DETAIL ===== */
.project-detail-section {
    padding: 80px 0;
}

.project-detail-header {
    margin-bottom: 40px;
}

.project-detail-header h1 {
    font-size: 48px;
    font-weight: var(--font-semibold);
    color: var(--primary-dark);
    margin-bottom: 16px;
    letter-spacing: -0.025em;
}

.project-meta {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.project-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-gray);
}

.project-meta-item i {
    color: var(--accent-blue);
}

.project-gallery {
    margin-bottom: 50px;
      overflow: hidden;
}

.gallery-main {
    margin-bottom: 15px;
}

.gallery-main img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 8px;
}

.gallery-wrapper {
    position: relative;
}

.gallery-thumbs {
    overflow: hidden;
}

.gallery-track {
    display: flex;
    gap: 15px;
    transition: transform 0.4s ease;
}

.gallery-track img {
    width: calc((100% - 45px) / 4); /* 4 görsel + gap hesabı */
    height: 120px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0.6;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.gallery-track img:hover {
    opacity: 1;
    transform: scale(1.05);
}

/* OK BUTONLARI */
.gallery-wrapper button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    border: none;
    color: #fff;
    padding: 10px 14px;
    cursor: pointer;
    z-index: 2;
}

.prev { left: 5px; }
.next { right: 5px; }
.gallery-thumbs img:hover,
.gallery-thumbs img.active {
    opacity: 1;
}

.project-detail-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
}

.project-description h2 {
    font-size: 32px;
    font-weight: var(--font-semibold);
    color: var(--primary-dark);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.project-description p {
    font-size: 17px;
    font-weight: var(--font-light);
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 20px;
}

.project-info-box {
    background: var(--light-gray);
    padding: 30px;
    border-radius: 8px;
}

.project-info-box h3 {
    font-size: 22px;
    color: var(--primary-dark);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--accent-blue);
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.info-item strong {
    color: var(--primary-dark);
}

.info-item span {
    color: var(--text-gray);
}

/* ===== ABOUT PAGE ===== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-card {
    text-align: center;
}

.team-card .image {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 20px;
}

.team-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.team-card h3 {
    font-size: 19px;
    font-weight: var(--font-semibold);
    color: var(--primary-dark);
    margin-bottom: 4px;
    letter-spacing: -0.01em;
}

.team-card span {
    font-size: 14px;
    font-weight: var(--font-light);
    color: var(--accent-blue);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .about-grid,
    .contact-grid,
    .project-detail-content {
        grid-template-columns: 1fr;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

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

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--primary-dark);
        flex-direction: column;
        padding: 80px 30px 30px;
        gap: 20px;
        transition: right 0.3s ease;
    }

    .nav-menu.active {
        right: 0;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .slide-text h1 {
        font-size: 36px;
    }

    .slide-text p {
        font-size: 16px;
    }

    .social-sidebar {
        right: 20px;
    }

    .social-sidebar a {
        width: 38px;
        height: 38px;
    }

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

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

    .section-header h2 {
        font-size: 32px;
    }

    .page-banner h1 {
        font-size: 36px;
    }

    .projects-filter {
        flex-wrap: wrap;
    }

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

    .footer-column h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

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

@media (max-width: 480px) {
    .slide-text h1 {
        font-size: 28px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

/* ===== LIGHTBOX GALLERY ===== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 22, 40, 0.95);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox.active .lightbox-content img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
}

.lightbox-close:hover {
    background: var(--accent-blue);
    transform: rotate(90deg);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 55px;
    height: 55px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
}

.lightbox-nav:hover {
    background: var(--accent-blue);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 16px;
    background: rgba(0, 0, 0, 0.5);
    padding: 8px 20px;
    border-radius: 20px;
}

.lightbox-thumbs {
    position: absolute;
    bottom: 70px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    max-width: 90%;
    overflow-x: auto;
    padding: 10px;
}

.lightbox-thumbs img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0.5;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.lightbox-thumbs img:hover,
.lightbox-thumbs img.active {
    opacity: 1;
    border-color: var(--accent-blue);
}

/* Clickable gallery images */
.gallery-main img,
.gallery-thumbs img,
.project-card img {
    cursor: pointer;
}

.gallery-main img:hover {
    opacity: 0.9;
}

@media (max-width: 768px) {
    .lightbox-nav {
        width: 45px;
        height: 45px;
        font-size: 16px;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

    .lightbox-thumbs {
        bottom: 60px;
    }

    .lightbox-thumbs img {
        width: 60px;
        height: 45px;
    }

    .lightbox-close {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
}

/* ===== FLOATING ACTION BUTTONS ===== */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 9000;
}

.floating-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    transition: all 0.3s ease;
    transform: scale(1);
}

.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.35);
}

.floating-btn.whatsapp {
    background: #25D366;
}

.floating-btn.whatsapp:hover {
    background: #128C7E;
}

.floating-btn.call {
    background: var(--accent-blue);
}

.floating-btn.call:hover {
    background: var(--primary-blue);
}

/* Tooltip on hover */
.floating-btn::before {
    content: attr(data-tooltip);
    position: absolute;
    right: 70px;
    background: var(--primary-dark);
    color: var(--white);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: var(--font-medium);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
}

.floating-btn::after {
    content: '';
    position: absolute;
    right: 62px;
    border: 6px solid transparent;
    border-left-color: var(--primary-dark);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.floating-btn:hover::before,
.floating-btn:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Pulse animation for WhatsApp */
.floating-btn.whatsapp::after {
    border-left-color: var(--primary-dark);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

.floating-btn.whatsapp {
    animation: pulse 2s infinite;
}

.floating-btn.whatsapp:hover {
    animation: none;
}

@media (max-width: 768px) {
    .floating-buttons {
        bottom: 20px;
        right: 20px;
        gap: 10px;
    }

    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .floating-btn::before,
    .floating-btn::after {
        display: none;
    }
}