/* ============================================
   GSD CONSTRUCTION - Professional Website
   ============================================ */

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

:root {
    --primary: #f59e0b;
    --primary-dark: #d97706;
    --primary-light: #fbbf24;
    --dark: #1a1a2e;
    --dark-2: #16213e;
    --dark-3: #0f3460;
    --text: #333333;
    --text-light: #666666;
    --text-lighter: #999999;
    --white: #ffffff;
    --light-bg: #f8f9fa;
    --border: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

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

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

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

.highlight {
    color: var(--primary);
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(245,158,11,0.1), rgba(245,158,11,0.2));
    color: var(--primary-dark);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--dark);
}

.section-header p {
    color: var(--text-light);
    font-size: 1.05rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--primary);
    color: var(--dark);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245,158,11,0.35);
}

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

.btn-outline:hover {
    background: var(--white);
    color: var(--dark);
    transform: translateY(-2px);
}

.btn-white {
    background: var(--white);
    color: var(--dark);
    border-color: var(--white);
}

.btn-white:hover {
    background: transparent;
    color: var(--white);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--dark);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Photo Placeholders */
.photo-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    height: 100%;
    min-height: 250px;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
    border-radius: var(--radius);
    color: #64748b;
    font-size: 0.9rem;
    font-weight: 500;
    border: 3px dashed #94a3b8;
}

.photo-placeholder i {
    font-size: 2.5rem;
    opacity: 0.6;
}

.photo-placeholder.large {
    min-height: 400px;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

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

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

.logo-img {
    height: 52px;
    width: auto;
    max-width: 260px;
}

.logo-gsd {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.8rem;
    color: var(--primary);
}

.logo-construction {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--white);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: rgba(255,255,255,0.8);
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

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

.nav-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
}

.nav-phone:hover {
    color: var(--primary-light);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26,26,46,0.92) 0%, rgba(22,33,62,0.85) 50%, rgba(15,52,96,0.8) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 120px 0 80px;
}

.hero-badge {
    display: inline-block;
    background: rgba(245,158,11,0.15);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 24px;
    border: 1px solid rgba(245,158,11,0.3);
}

.hero h1 {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: 20px;
    max-width: 700px;
}

.hero h1 span {
    color: var(--primary);
}

.hero > .container > p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.7);
    max-width: 550px;
    margin-bottom: 36px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    padding: 100px 0;
    background: var(--white);
}

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

.about-images {
    position: relative;
}

.about-img-main {
    width: 85%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-img-main img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-img-small {
    position: absolute;
    bottom: -30px;
    right: 0;
    width: 55%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 5px solid var(--white);
    box-shadow: var(--shadow-xl);
}

.about-img-small img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.about-experience-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary);
    color: var(--dark);
    padding: 20px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.exp-number {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 800;
}

.exp-text {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.about-content h2 {
    font-size: 2.3rem;
    margin-bottom: 20px;
    color: var(--dark);
}

.about-lead {
    font-size: 1.05rem;
    color: var(--text);
    font-weight: 500;
    margin-bottom: 16px;
}

.about-content > p {
    color: var(--text-light);
    margin-bottom: 28px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 32px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    font-size: 0.95rem;
}

.about-feature i {
    color: var(--primary);
    font-size: 1.1rem;
}

/* ============================================
   SERVICES
   ============================================ */
.services {
    padding: 100px 0;
    background: var(--light-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, rgba(245,158,11,0.1), rgba(245,158,11,0.2));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon i {
    font-size: 1.6rem;
    color: var(--primary-dark);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--dark);
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 0.9rem;
}

.service-link:hover {
    gap: 12px;
    color: var(--primary);
}

/* ============================================
   PROJECTS
   ============================================ */
.projects {
    padding: 100px 0;
    background: var(--white);
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border: 2px solid var(--border);
    border-radius: 50px;
    background: transparent;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

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

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

.project-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    background: var(--white);
}

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

.project-image {
    width: 100%;
    overflow: hidden;
}

.project-image .photo-placeholder {
    min-height: 220px;
    border-radius: 0;
}

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

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

.project-info {
    padding: 24px;
}

.project-category {
    display: inline-block;
    background: rgba(245,158,11,0.1);
    color: var(--primary-dark);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.project-info h3 {
    font-size: 1.15rem;
    color: var(--dark);
    margin-bottom: 6px;
}

.project-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ============================================
   WHY US
   ============================================ */
.why-us {
    padding: 100px 0;
    background: var(--light-bg);
}

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

.why-us-content h2 {
    font-size: 2.3rem;
    margin-bottom: 16px;
    color: var(--dark);
}

.why-us-content > p {
    color: var(--text-light);
    margin-bottom: 36px;
    font-size: 1.05rem;
}

.why-us-items {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.why-us-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.why-us-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
}

.why-us-item h4 {
    font-size: 1.05rem;
    margin-bottom: 4px;
    color: var(--dark);
}

.why-us-item p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.why-us-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.why-us-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
    padding: 100px 0;
    background: var(--white);
}

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

.testimonial-card {
    background: var(--light-bg);
    padding: 36px 30px;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.testimonial-stars {
    margin-bottom: 16px;
}

.testimonial-stars i {
    color: var(--primary);
    font-size: 1rem;
}

.testimonial-card > p {
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 24px;
    line-height: 1.7;
    font-size: 0.95rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
}

.testimonial-author strong {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    color: var(--dark);
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--text-lighter);
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

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

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26,26,46,0.88);
    z-index: 1;
}

.cta-banner .container {
    position: relative;
    z-index: 2;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-content p {
    color: rgba(255,255,255,0.7);
    font-size: 1.1rem;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    padding: 100px 0;
    background: var(--light-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.1rem;
}

.contact-item h4 {
    font-size: 1rem;
    color: var(--dark);
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.contact-socials {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}

.contact-socials a {
    width: 42px;
    height: 42px;
    background: var(--dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.95rem;
    transition: var(--transition);
}

.contact-socials a:hover {
    background: var(--primary);
    color: var(--dark);
    transform: translateY(-3px);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-family: 'Open Sans', sans-serif;
    font-size: 0.95rem;
    color: var(--text);
    transition: var(--transition);
    background: var(--white);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(245,158,11,0.1);
}

.contact-form textarea {
    resize: vertical;
}

.contact-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark);
    padding: 60px 0 0;
}

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

.footer-logo {
    display: inline-block;
    margin-bottom: 16px;
}

.footer-logo-img {
    height: 55px;
    width: auto;
    max-width: 300px;
}

.footer-about p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.footer-socials {
    display: flex;
    gap: 10px;
}

.footer-socials a {
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-socials a:hover {
    background: var(--primary);
    color: var(--dark);
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-size: 1.05rem;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-contact p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i {
    color: var(--primary);
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

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

.footer-bottom a {
    color: rgba(255,255,255,0.6);
}

.footer-bottom a:hover {
    color: var(--primary);
}

.footer-domain {
    color: var(--primary) !important;
    font-weight: 600;
    margin-top: 6px;
}

/* ============================================
   TRUST BANNER
   ============================================ */
.trust-banner {
    background: var(--primary);
    padding: 20px 0;
}

.trust-items {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.trust-item i {
    font-size: 1.2rem;
}

/* ============================================
   GALLERY
   ============================================ */
.gallery {
    padding: 100px 0 80px 0;
    background: var(--dark);
}

.gallery .section-header h2 {
    color: var(--white);
}

.gallery .section-header p {
    color: rgba(255,255,255,0.6);
}

.gallery .section-tag {
    color: var(--primary);
}

/* Gallery Slideshow */
.gallery-slideshow {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    height: 600px;
    overflow: hidden;
    border-radius: var(--radius);
    cursor: pointer;
}

.slideshow-track {
    position: relative;
    width: 100%;
    height: 100%;
}

.slideshow-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.slideshow-slide.active {
    opacity: 1;
    z-index: 2;
}

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

.slideshow-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.15);
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slideshow-btn:hover {
    background: var(--primary);
    color: var(--dark);
    border-color: var(--primary);
}

.slideshow-prev { left: 16px; }
.slideshow-next { right: 16px; }

.slideshow-counter {
    position: absolute;
    bottom: 16px;
    right: 20px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    padding: 6px 16px;
    border-radius: 20px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 10;
}

/* Thumbnail Strip */
.gallery-thumbnails {
    max-width: 1200px;
    margin: 12px auto 0;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0 0 20px 0;
    scrollbar-width: thin;
    scrollbar-color: var(--primary) rgba(255,255,255,0.1);
}

.gallery-thumbnails::-webkit-scrollbar {
    height: 6px;
}

.gallery-thumbnails::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.05);
    border-radius: 3px;
}

.gallery-thumbnails::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 3px;
}

.thumbnails-track {
    display: flex;
    gap: 6px;
    width: max-content;
    padding: 0 4px;
}

.thumb-item {
    width: 80px;
    height: 60px;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.4;
    transition: opacity 0.3s ease, transform 0.3s ease;
    flex-shrink: 0;
    border: 2px solid transparent;
}

.thumb-item:hover {
    opacity: 0.8;
}

.thumb-item.active {
    opacity: 1;
    border-color: var(--primary);
}

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

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.95);
    z-index: 100000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 4px;
    user-select: none;
}

.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: #fff;
    font-size: 1.4rem;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

.lightbox-close:hover {
    background: rgba(255,255,255,0.25);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--primary);
    color: var(--dark);
}

.lightbox-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.6);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
}

/* ============================================
   FORM NOTE
   ============================================ */
.form-note {
    text-align: center;
    margin-top: 12px;
    color: var(--text-lighter);
    font-size: 0.8rem;
}

.form-note i {
    margin-right: 4px;
}

.contact-form h3 {
    font-size: 1.4rem;
    color: var(--dark);
    margin-bottom: 24px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero h1 { font-size: 3rem; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-slideshow { height: 480px; }
    .thumb-item { width: 70px; height: 52px; }
    .nav-links { gap: 20px; }
    .nav-links a { font-size: 0.8rem; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(26, 26, 46, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 0;
    }

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

    .nav-links li {
        padding: 12px 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .nav-phone { display: none; }
    .nav-toggle { display: flex; }

    .hero { min-height: auto; }
    .hero-content {
        padding: 90px 0 36px;
        text-align: center;
    }
    .hero h1 { font-size: 2rem; margin-bottom: 12px; max-width: 100%; }
    .hero > .container > p { font-size: 0.95rem; margin-bottom: 20px; line-height: 1.6; max-width: 100%; }
    .hero-badge { font-size: 0.72rem; padding: 6px 14px; margin-bottom: 14px; }
    .hero-buttons { gap: 10px; margin-bottom: 24px; justify-content: center; }
    .hero-buttons .btn { padding: 11px 20px; font-size: 0.78rem; }
    .hero-stats {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px 20px;
        padding-top: 20px;
        text-align: center;
    }
    .stat { align-items: center; }
    .stat-number { font-size: 1.5rem; }
    .stat-label { font-size: 0.7rem; }

    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .why-us-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }

    .services-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .gallery-slideshow { height: 350px; border-radius: 0; }
    .gallery { padding: 60px 0 60px 0; }
    .slideshow-btn { width: 40px; height: 40px; font-size: 1rem; }
    .slideshow-prev { left: 8px; }
    .slideshow-next { right: 8px; }
    .slideshow-counter { font-size: 0.75rem; padding: 5px 12px; bottom: 10px; right: 12px; }
    .thumb-item { width: 60px; height: 45px; }
    .gallery-thumbnails { margin: 8px 8px 0; }
    .lightbox-prev { left: 10px; width: 40px; height: 40px; }
    .lightbox-next { right: 10px; width: 40px; height: 40px; }
    .lightbox-close { top: 10px; right: 10px; width: 40px; height: 40px; }
    .trust-items { justify-content: center; }

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

    .footer-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .whatsapp-float { width: 54px; height: 54px; font-size: 1.6rem; bottom: 20px; right: 20px; }
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    z-index: 9999;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float:hover {
    background: #20ba5a;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
    color: #ffffff;
}

@keyframes whatsappPulse {
    0% { box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 25px rgba(37, 211, 102, 0.6), 0 0 0 8px rgba(37, 211, 102, 0.1); }
    100% { box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4); }
}

/* WhatsApp Contact Item */
.whatsapp-item .whatsapp-icon {
    background: rgba(37, 211, 102, 0.15);
    color: #25D366;
}

.whatsapp-item a {
    color: #25D366;
    font-weight: 600;
}

.whatsapp-item a:hover {
    color: #20ba5a;
    text-decoration: underline;
}