/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    --primary-color: #8B6F47;
    --secondary-color: #A0826D;
    --dark-color: #3E4C4F;
    --cement-dark: #4A5859;
    --wood-light: #C8B39E;
    --light-color: #F5F3F0;
    --text-color: #555;
    --white: #FFFFFF;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 5px 15px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
    --gradient: linear-gradient(135deg, #8B6F47 0%, #6D5739 100%);
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    color: var(--dark-color);
    font-weight: 600;
    line-height: 1.2;
}

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

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

ul {
    list-style: none;
}

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

/* ===================================
   Loading Screen
   =================================== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #3E4C4F 0%, #4A5859 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
    color: var(--white);
}

.loader-circle {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(200, 179, 158, 0.3);
    border-top-color: #C8B39E;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.loader h2 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 10px;
}

.loader p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.98);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
}

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

.logo a {
    display: block;
    line-height: 0;
}

.logo img {
    height: 70px;
    width: auto;
    max-width: 260px;
    object-fit: contain;
    transition: var(--transition);
}

.logo img:hover {
    opacity: 0.8;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.nav-partnership {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0 1.2rem;
    border-left: 2px solid rgba(139, 111, 71, 0.2);
    border-right: 2px solid rgba(139, 111, 71, 0.2);
}

.nav-partnership-text {
    font-size: 0.7rem;
    color: var(--text-color);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
    white-space: nowrap;
}

.nav-partner-logos {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.nav-partner-logo img {
    height: 40px;
    width: auto;
    max-width: 130px;
    object-fit: contain;
    opacity: 0.85;
    transition: var(--transition);
    border-radius: 6px;
}

.nav-partner-logo img:hover {
    opacity: 1;
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--dark-color);
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    transition: var(--transition);
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 0.95rem;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(139, 111, 71, 0.4);
}

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

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

.btn-lg {
    padding: 15px 40px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background:
        linear-gradient(135deg, rgba(62, 76, 79, 0.85) 0%, rgba(74, 88, 89, 0.9) 100%),
        url('https://images.unsplash.com/photo-1618221195710-dd6b41faaea6?w=1920&q=80') center/cover no-repeat;
    background-attachment: fixed;
    overflow: hidden;
    padding: 140px 0 80px;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="40" fill="rgba(139,111,71,0.05)"/></svg>');
    opacity: 0.4;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(139, 111, 71, 0.15), transparent 50%);
    z-index: 0;
}

.hero-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(139, 111, 71, 0.1));
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 10;
    color: var(--white);
    max-width: 800px;
    padding-top: 20px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(139, 111, 71, 0.9);
    padding: 12px 28px;
    border-radius: 50px;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.hero-tag i {
    color: #FFD700;
    font-size: 1rem;
}

.hero-tag span {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--white);
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease 0.1s backwards;
    line-height: 1.2;
    color: var(--white);
    text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.3);
}

.hero-title span {
    display: block;
    font-size: 4.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #C8B39E 0%, #8B6F47 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 0.5rem;
    text-shadow: none;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    font-weight: 400;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.95);
    animation: fadeInUp 1s ease 0.2s backwards;
    text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.3);
    max-width: 650px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3.5rem;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.hero-buttons .btn i {
    margin-right: 8px;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    animation: fadeInUp 1s ease 0.6s backwards;
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.feature-icon-small {
    width: 50px;
    height: 50px;
    background: rgba(139, 111, 71, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon-small i {
    font-size: 1.3rem;
    color: var(--white);
}

.feature-text {
    display: flex;
    flex-direction: column;
}

.feature-text strong {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
    line-height: 1.2;
}

.feature-text span {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
}

.hero-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 1;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 111, 71, 0.15), transparent);
}

.circle-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -100px;
    animation: float 15s infinite ease-in-out;
}

.circle-2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -100px;
    animation: float 12s infinite ease-in-out 2s;
}

.circle-3 {
    width: 250px;
    height: 250px;
    top: 50%;
    right: 10%;
    animation: float 10s infinite ease-in-out 1s;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    text-align: center;
}

.scroll-indicator span {
    display: block;
    width: 2px;
    height: 50px;
    background: rgba(255, 255, 255, 0.5);
    margin: 0 auto 10px;
    animation: scrollDown 2s infinite;
}

.scroll-indicator p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: 100px 0;
    position: relative;
    z-index: 10;
    background: var(--white);
}

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

.section-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.section-title span {
    color: var(--primary-color);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-color);
    font-weight: 400;
}

/* ===================================
   About Section
   =================================== */
.about {
    background: var(--light-color);
    position: relative;
    z-index: 10;
}

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

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.about-text p {
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2.5rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.stat-item h4 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.image-wrapper img {
    width: 100%;
    transition: var(--transition);
}

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

.image-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.image-wrapper:hover .image-overlay {
    opacity: 0.95;
}

.image-overlay i {
    font-size: 2rem;
    color: var(--white);
}

/* ===================================
   Services Section
   =================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.service-card p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-color);
}

.service-features i {
    color: var(--primary-color);
    font-size: 0.9rem;
}

/* ===================================
   Portfolio Section
   =================================== */
.portfolio {
    background: var(--light-color);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
}

.portfolio-item img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    color: var(--white);
    transform: translateY(100%);
    transition: var(--transition);
}

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

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

.portfolio-overlay h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.portfolio-overlay p {
    font-size: 0.95rem;
    color: var(--primary-color);
}

/* ===================================
   Featured Projects Slideshow
   =================================== */
.featured-projects {
    margin-top: 60px;
    padding-top: 60px;
    border-top: 2px solid rgba(139, 111, 71, 0.2);
}

.featured-title {
    text-align: center;
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 40px;
}

.slideshow-container {
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
}

.slideshow-wrapper {
    flex: 1;
    overflow: hidden;
    border-radius: 15px;
}

.slideshow-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    gap: 20px;
}

.slide-item {
    min-width: calc(33.333% - 14px);
    flex-shrink: 0;
}

.slide-item img,
.slide-item video {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: block;
}

.slide-item img:hover,
.slide-item video:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow);
}

.slide-item video {
    cursor: pointer;
}

.slide-item img {
    cursor: pointer;
}

.slide-arrow {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.slide-arrow:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow);
}

.slide-arrow i {
    color: var(--white);
}

/* ===================================
   Why Choose Us Section
   =================================== */
.why-choose {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 40px 25px;
    background: var(--light-color);
    border-radius: 15px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    background: var(--white);
    box-shadow: var(--shadow);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 2rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-card p {
    line-height: 1.7;
}

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

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

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    color: var(--white);
    font-size: 1.2rem;
}

.info-text h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.info-text p {
    line-height: 1.7;
}

.info-text a {
    color: var(--primary-color);
    transition: var(--transition);
}

.info-text a:hover {
    color: var(--dark-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 5px 20px rgba(139, 111, 71, 0.4);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

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

.form-control {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #E0E0E0;
    border-radius: 10px;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

textarea.form-control {
    resize: vertical;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 3rem;
}

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-logo img {
    height: 70px;
    width: auto;
    max-width: 250px;
    object-fit: contain;
    background: var(--white);
    padding: 10px;
    border-radius: 8px;
}

.footer-col h3,
.footer-col h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.footer-col p {
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

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

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

.footer-col ul li i {
    color: var(--primary-color);
    margin-right: 10px;
}

.footer-partners {
    text-align: center;
    padding: 2.5rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 2rem;
}

.footer-partners h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.partner-logos-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.partner-logo-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

.partner-logo-footer img {
    height: 100px;
    width: auto;
    max-width: 300px;
    object-fit: contain;
    opacity: 0.9;
    transition: var(--transition);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.95);
    margin-bottom: 0.2rem;
}

.partner-logo-footer img:hover {
    opacity: 1;
    transform: scale(1.05);
}

.partner-name {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.partner-tagline {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    font-style: italic;
    margin: -10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* ===================================
   Scroll to Top Button
   =================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow);
}

.scroll-top.active {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
}

/* ===================================
   WhatsApp Floating Button
   =================================== */
.whatsapp-float {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 998;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float i {
    color: var(--white);
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollDown {
    0%, 100% {
        transform: translateY(0);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-30px) scale(1.05);
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7);
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 968px) {
    .hamburger {
        display: flex;
    }

    .nav-wrapper {
        padding: 0.6rem 0;
    }

    .logo img {
        height: 50px;
        max-width: 220px;
    }

    .nav-brand {
        flex-direction: row;
        gap: 0.6rem;
    }

    .nav-partnership {
        padding: 0 0.6rem;
        gap: 0.4rem;
        border-left: 1px solid rgba(139, 111, 71, 0.2);
        border-right: none;
    }

    .nav-partnership-text {
        font-size: 0.58rem;
    }

    .nav-partner-logos {
        gap: 0.4rem;
    }

    .nav-partner-logo img {
        height: 38px;
        max-width: 130px;
    }

    .nav-menu {
        position: fixed;
        top: 65px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 65px);
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }

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

    .nav-links {
        flex-direction: column;
        width: 100%;
    }

    .nav-link {
        padding: 1rem 0;
        width: 100%;
        text-align: center;
    }

    .hero {
        background-attachment: scroll;
        min-height: auto;
        padding: 110px 0 60px;
    }

    .hero-content {
        padding-top: 10px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-title span {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-tag {
        padding: 10px 24px;
        margin-bottom: 1.75rem;
    }

    .hero-tag span {
        font-size: 0.92rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .feature-icon-small {
        width: 45px;
        height: 45px;
    }

    .feature-icon-small i {
        font-size: 1.1rem;
    }

    .feature-text strong {
        font-size: 1rem;
    }

    .feature-text span {
        font-size: 0.8rem;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

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

    .section-title {
        font-size: 2.2rem;
    }

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

    .featured-projects {
        margin-top: 40px;
        padding-top: 40px;
    }

    .featured-title {
        font-size: 1.6rem;
        margin-bottom: 30px;
    }

    .slide-item {
        min-width: 100%;
    }

    .slide-item img,
    .slide-item video {
        height: 250px;
    }

    .slide-arrow {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .footer-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 30px 25px;
    }

    .footer-col:first-child {
        grid-column: 1 / -1;
    }

    .footer-col:last-child {
        grid-column: 1 / -1;
    }

    .footer-logo img {
        height: 65px;
        max-width: 230px;
    }

    .footer-partners {
        padding: 2rem 0 1.5rem;
    }

    .partner-logos-footer {
        gap: 2rem;
    }

    .partner-logo-footer img {
        height: 85px;
        max-width: 260px;
    }

    .partner-name {
        font-size: 0.95rem;
    }

    .footer-col h3,
    .footer-col h4 {
        font-size: 1.2rem;
        margin-bottom: 1.2rem;
    }

    .footer-col ul li {
        margin-bottom: 0.6rem;
    }
}

@media (max-width: 576px) {
    .nav-wrapper {
        padding: 0.5rem 0;
    }

    .logo img {
        height: 45px;
        max-width: 200px;
    }

    .nav-brand {
        flex-direction: row;
        gap: 0.4rem;
    }

    .nav-partnership {
        padding: 0 0.4rem;
        gap: 0.3rem;
        border-left: 1px solid rgba(139, 111, 71, 0.2);
        border-right: none;
    }

    .nav-partnership-text {
        font-size: 0.52rem;
    }

    .nav-partner-logos {
        gap: 0.3rem;
    }

    .nav-partner-logo img {
        height: 34px;
        max-width: 100px;
    }

    .hero {
        background-attachment: scroll;
        min-height: auto;
        padding: 100px 0 50px;
    }

    .hero-content {
        padding-top: 5px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-title span {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-features {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1.25rem;
    }

    .hero-tag {
        padding: 10px 22px;
        margin-bottom: 1.5rem;
        gap: 8px;
    }

    .hero-tag span {
        font-size: 0.9rem;
    }

    .hero-tag i {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .btn-lg {
        padding: 12px 25px;
        font-size: 0.9rem;
    }

    section {
        padding: 60px 0;
    }

    .featured-projects {
        margin-top: 30px;
        padding-top: 30px;
    }

    .featured-title {
        font-size: 1.4rem;
        margin-bottom: 25px;
    }

    .slide-item img,
    .slide-item video {
        height: 220px;
    }

    .slide-arrow {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }

    .contact-form {
        padding: 25px;
    }

    .footer {
        padding: 40px 0 20px;
    }

    .footer-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 25px 20px;
        margin-bottom: 2rem;
    }

    .footer-col:first-child {
        grid-column: 1 / -1;
    }

    .footer-col:last-child {
        grid-column: 1 / -1;
    }

    .footer-logo {
        margin-bottom: 1rem;
    }

    .footer-logo img {
        height: 60px;
        max-width: 210px;
    }

    .footer-col h3 {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }

    .footer-col h4 {
        font-size: 1rem;
        margin-bottom: 0.9rem;
    }

    .footer-col ul li {
        margin-bottom: 0.5rem;
        font-size: 0.85rem;
    }

    .footer-col p {
        font-size: 0.85rem;
        line-height: 1.6;
        margin-bottom: 0;
    }

    .footer-bottom {
        padding-top: 1.5rem;
        font-size: 0.8rem;
    }

    .footer-partners {
        padding: 1.5rem 0 1rem;
    }

    .footer-partners h4 {
        font-size: 0.95rem;
        margin-bottom: 1rem;
    }

    .partner-logos-footer {
        gap: 1.5rem;
    }

    .partner-logo-footer img {
        height: 75px;
        max-width: 240px;
    }

    .partner-name {
        font-size: 0.9rem;
    }

    .partner-tagline {
        font-size: 0.8rem;
    }

    /* Optimize middle columns (Quick Links & Services) */
    .footer-col:nth-child(2),
    .footer-col:nth-child(3) {
        padding-right: 5px;
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.6rem;
        bottom: 90px;
        right: 20px;
    }

    .scroll-top {
        width: 45px;
        height: 45px;
        font-size: 1rem;
        right: 20px;
    }
}

/* ===================================
   Lightbox Modal
   =================================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.lightbox-content img,
.lightbox-content video {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

#lightbox-img,
#lightbox-video {
    display: none;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid var(--white);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
}

.lightbox-close:hover {
    background: var(--white);
    color: var(--dark-color);
    transform: rotate(90deg);
}

@media (max-width: 576px) {
    .lightbox-close {
        top: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .lightbox-content {
        max-width: 95%;
        max-height: 85%;
    }
}