/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Color Variables */
:root {
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --light-blue: #dbeafe;
    --dark-blue: #1e40af;
    --ocean-blue: #0ea5e9;
    --navy-blue: #1e293b;
    --white: #ffffff;
    --gray-100: #f8fafc;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-600: #475569;
    --gray-800: #1e293b;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(24, 53, 135, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.nav-logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

/* Logo image styling */
.nav-logo .logo-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    margin-right: 12px;
    display: block;
}

/* Fallback (icon + text) - hidden when image available in normal sizes */
.nav-logo .logo-fallback {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
}

.nav-logo .logo-text {
    font-size: 1rem;
    font-weight: 600;
}

/* Responsive: on small screens shrink logo and hide long text */
@media (max-width: 768px) {
    .nav-logo .logo-img {
        width: 40px;
        height: 40px;
        margin-right: 8px;
    }

    .nav-logo .logo-text {
        display: none;
    }

    .nav-menu {
        display: none; /* menu handled by hamburger */
    }

    .hamburger {
        display: flex;
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--light-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--light-blue);
    transition: width 0.3s ease;
}

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

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--white);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--ocean-blue) 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    color: var(--white);
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--light-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-icon {
    font-size: 15rem;
    color: rgba(255, 255, 255, 0.1);
    z-index: 1;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.wave {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.wave-1 {
    width: 200px;
    height: 200px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.wave-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.wave-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 30%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--navy-blue);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--gray-100);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    margin-top: 2rem;
}

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

.about-text p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.about-text ul {
    list-style: none;
    padding-left: 0;
}

.about-text li {
    color: var(--gray-600);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.about-text li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-blue);
    font-weight: bold;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--gray-600);
    font-weight: 500;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: var(--white);
}

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

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--ocean-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

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

.service-card h3 {
    font-size: 1.3rem;
    color: var(--navy-blue);
    margin-bottom: 0.5rem;
}

.service-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Projects Section */
.projects {
    padding: 100px 0;
    background: var(--gray-100);
}

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

.project-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.project-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-blue), var(--ocean-blue));
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image i {
    font-size: 4rem;
    color: var(--white);
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.3rem;
    color: var(--navy-blue);
    margin-bottom: 1rem;
}

.project-content p {
    color: var(--gray-600);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.project-year {
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--white);
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--ocean-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

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

.contact-details h4 {
    color: var(--navy-blue);
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: var(--gray-600);
    line-height: 1.6;
}

.contact-form {
    background: var(--gray-100);
    padding: 2.5rem;
    border-radius: 15px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

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

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    color: var(--white);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--secondary-blue);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--primary-blue);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }

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

    .nav-menu li {
        margin: 1rem 0;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

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

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-icon {
        font-size: 8rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .stat-item {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

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

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

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

    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .service-card,
    .project-card {
        margin: 0 10px;
    }

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

    .contact-form {
        padding: 1.5rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Page Header Styles */
.page-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--ocean-blue) 100%);
    padding: 120px 0 80px;
    text-align: center;
    color: var(--white);
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* About Preview Section */
.about-preview {
    padding: 100px 0;
    background: var(--gray-100);
}

/* Services Preview Section */
.services-preview {
    padding: 100px 0;
    background: var(--white);
}

/* Projects Preview Section */
.projects-preview {
    padding: 100px 0;
    background: var(--gray-100);
}

/* Contact Preview Section */
.contact-preview {
    padding: 100px 0;
    background: var(--white);
}

.contact-cta {
    background: var(--gray-100);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
}

.contact-cta h3 {
    color: var(--navy-blue);
    margin-bottom: 1rem;
}

.contact-cta p {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

/* Company Overview */
.company-overview {
    padding: 100px 0;
    background: var(--white);
}

.overview-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.overview-text h2 {
    font-size: 2.5rem;
    color: var(--navy-blue);
    margin-bottom: 1.5rem;
}

.lead {
    font-size: 1.2rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.overview-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    background: var(--gray-100);
    border-radius: 15px;
    padding: 3rem;
    text-align: center;
    width: 100%;
    border: 2px dashed var(--gray-300);
}

.image-placeholder i {
    font-size: 4rem;
    color: var(--secondary-blue);
    margin-bottom: 1rem;
}

.image-placeholder p {
    color: var(--gray-600);
    font-weight: 500;
}

/* Vision Mission */
.vision-mission {
    padding: 100px 0;
    background: var(--gray-100);
}

.vm-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.vm-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
}

.vm-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--ocean-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

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

.vm-card h3 {
    font-size: 1.8rem;
    color: var(--navy-blue);
    margin-bottom: 1.5rem;
}

.vm-card p {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.vm-card ul {
    list-style: none;
    text-align: left;
}

.vm-card li {
    color: var(--gray-600);
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.vm-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-blue);
    font-weight: bold;
}

/* Company Values */
.company-values {
    padding: 100px 0;
    background: var(--white);
}

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

.value-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

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

.value-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--ocean-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

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

.value-card h4 {
    font-size: 1.3rem;
    color: var(--navy-blue);
    margin-bottom: 1rem;
}

.value-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Company Stats */
.company-stats {
    padding: 100px 0;
    background: var(--gray-100);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--gray-600);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.stat-description {
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* Leadership Team */
.leadership-team {
    padding: 100px 0;
    background: var(--white);
}

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

.team-member {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.member-photo {
    width: 120px;
    height: 120px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    border: 3px solid var(--light-blue);
}

.member-photo i {
    font-size: 3rem;
    color: var(--secondary-blue);
}

.member-info h4 {
    color: var(--navy-blue);
    margin-bottom: 0.5rem;
}

.position {
    color: var(--secondary-blue);
    font-weight: 600;
    margin-bottom: 1rem;
}

.bio {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Certifications */
.certifications {
    padding: 100px 0;
    background: var(--gray-100);
}

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

.cert-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

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

.cert-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--ocean-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

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

.cert-item h4 {
    color: var(--navy-blue);
    margin-bottom: 0.5rem;
}

.cert-item p {
    color: var(--gray-600);
}

/* Services Overview */
.services-overview {
    padding: 100px 0;
    background: var(--white);
}

.service-card.detailed {
    padding: 3rem;
    text-align: left;
}

.service-description {
    margin-bottom: 1.5rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.service-features {
    list-style: none;
    margin-bottom: 2rem;
}

.service-features li {
    color: var(--gray-600);
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-blue);
    font-weight: bold;
}

.service-cta {
    text-align: center;
    margin-top: auto;
}

/* Service Process */
.service-process {
    padding: 100px 0;
    background: var(--gray-100);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--ocean-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
}

.step-content h3 {
    color: var(--navy-blue);
    margin-bottom: 1rem;
}

.step-content p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Technology & Equipment */
.technology-equipment {
    padding: 100px 0;
    background: var(--white);
}

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

.tech-category {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.tech-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.tech-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--ocean-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

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

.tech-category h3 {
    color: var(--navy-blue);
    margin-bottom: 1.5rem;
}

.tech-category ul {
    list-style: none;
}

.tech-category li {
    color: var(--gray-600);
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.tech-category li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary-blue);
    font-weight: bold;
}

/* Certifications & Standards */
.certifications-standards {
    padding: 100px 0;
    background: var(--gray-100);
}

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

.standard-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

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

.standard-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--ocean-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

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

.standard-item h4 {
    color: var(--navy-blue);
    margin-bottom: 0.5rem;
}

.standard-item p {
    color: var(--gray-600);
}

/* Why Choose Us */
.why-choose-us {
    padding: 100px 0;
    background: var(--white);
}

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

.advantage-item {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary-blue);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--ocean-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

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

.advantage-item h4 {
    color: var(--navy-blue);
    margin-bottom: 1rem;
}

.advantage-item p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Project Stats */
.project-stats {
    padding: 80px 0;
    background: var(--gray-100);
}

/* Featured Projects */
.featured-projects {
    padding: 100px 0;
    background: var(--white);
}

.project-card.featured {
    border: 2px solid var(--secondary-blue);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: var(--white);
    padding: 2rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

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

.project-category {
    background: var(--secondary-blue);
    color: var(--white);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

.project-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 1.5rem 0;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.detail-item .label {
    color: var(--gray-600);
    font-weight: 500;
}

.detail-item .value {
    color: var(--navy-blue);
    font-weight: 600;
}

.project-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.feature-tag {
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Project Categories */
.project-categories {
    padding: 100px 0;
    background: var(--gray-100);
}

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

.category-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

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

.category-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--ocean-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

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

.category-card h3 {
    color: var(--navy-blue);
    margin-bottom: 0.5rem;
}

.category-card > p {
    color: var(--secondary-blue);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

/* Tabs (Project Submenus) */
.project-submenus {
    padding: 80px 0;
    background: var(--white);
}

.tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 2rem;
}

.tab-btn {
    background: transparent;
    border: 1px solid var(--gray-200);
    padding: 10px 16px;
    border-radius: 999px;
    font-weight: 600;
    color: var(--navy-blue);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn[aria-selected="true"] {
    background: linear-gradient(90deg, var(--secondary-blue), var(--ocean-blue));
    color: var(--white);
    border-color: transparent;
    box-shadow: var(--shadow);
}

.tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.tab-icon {
    font-size: 1.05rem;
    color: var(--secondary-blue);
    width: 1.25rem;
    height: 1.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.tab-btn[aria-selected="true"] .tab-icon {
    color: var(--white);
}

.tab-btn:focus {
    outline: 3px solid rgba(59,130,246,0.2);
    outline-offset: 3px;
}

.tab-panels {
    margin-top: 1rem;
}

.tab-panel {
    padding: 1rem 0 2rem;
}

/* Transition states for tab panels */
.tab-panel {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 280ms ease, transform 280ms ease;
    will-change: opacity, transform;
    display: block; /* keep block but use hidden attribute to remove from flow when not active */
}

.tab-panel[hidden] {
    /* keep hidden attribute semantics, but allow JS to control via classes for animation */
    display: none !important;
}

.tab-panel.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.tab-panel.is-hiding {
    opacity: 0;
    transform: translateY(8px);
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.catalog-item {
    background: var(--gray-100);
    padding: 1.25rem;
    border-radius: 12px;
    text-align: left;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.catalog-thumb {
    width: 100%;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(30,58,138,0.08), rgba(14,165,233,0.06));
    border-radius: 8px;
    font-size: 2.5rem;
    color: var(--secondary-blue);
    margin-bottom: 0.5rem;
}

.catalog-item h3 {
    font-size: 1.05rem;
    color: var(--navy-blue);
}

.catalog-item p {
    color: var(--gray-600);
    font-size: 0.95rem;
    flex-grow: 1;
}

.catalog-link {
    display: inline-block;
    margin-top: 0.5rem;
    color: var(--secondary-blue);
    text-decoration: none;
    font-weight: 600;
}

@media (max-width: 768px) {
    .tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }

    .tabs::-webkit-scrollbar { height: 6px; }
    .tabs::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 10px; }
}

.category-card ul {
    list-style: none;
    text-align: left;
}

.category-card li {
    color: var(--gray-600);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.category-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary-blue);
    font-weight: bold;
}

/* Recent Projects */
.recent-projects {
    padding: 100px 0;
    background: var(--white);
}

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

.recent-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.recent-image {
    height: 150px;
    background: linear-gradient(135deg, var(--primary-blue), var(--ocean-blue));
    display: flex;
    align-items: center;
    justify-content: center;
}

.recent-image i {
    font-size: 3rem;
    color: var(--white);
}

.recent-content {
    padding: 1.5rem;
}

.recent-category {
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: 0.2rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

.recent-content h4 {
    color: var(--navy-blue);
    margin-bottom: 1rem;
}

.recent-content p {
    color: var(--gray-600);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.recent-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--gray-600);
}

/* Client Testimonials */
.client-testimonials {
    padding: 100px 0;
    background: var(--gray-100);
}

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

.testimonial-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.quote-icon {
    color: var(--secondary-blue);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.testimonial-content p {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 2rem;
    font-style: italic;
}

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

.author-info h4 {
    color: var(--navy-blue);
    margin-bottom: 0.3rem;
}

.author-info p {
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* Contact Info */
.contact-info {
    padding: 100px 0;
    background: var(--gray-100);
}

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

/* Contact Form & Map */
.contact-form-map {
    padding: 100px 0;
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.contact-form-section {
    background: var(--gray-100);
    padding: 3rem;
    border-radius: 15px;
}

.contact-form {
    margin-top: 2rem;
}

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

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

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

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.btn-large {
    padding: 15px 30px;
    font-size: 1.1rem;
}

.btn-large i {
    margin-right: 0.5rem;
}

/* Map Section */
.map-section {
    background: var(--gray-100);
    padding: 3rem;
    border-radius: 15px;
}

.map-container {
    margin-bottom: 2rem;
}

.map-placeholder {
    height: 300px;
    background: var(--gray-200);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--gray-400);
}

.map-placeholder i {
    font-size: 3rem;
    color: var(--secondary-blue);
    margin-bottom: 1rem;
}

.map-placeholder p {
    color: var(--gray-600);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.map-placeholder small {
    color: var(--gray-500);
}

.map-info h4 {
    color: var(--navy-blue);
    margin-bottom: 1rem;
}

.map-info ul {
    list-style: none;
}

.map-info li {
    color: var(--gray-600);
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.map-info i {
    color: var(--secondary-blue);
    width: 20px;
}

/* Departments */
.departments {
    padding: 100px 0;
    background: var(--gray-100);
}

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

.department-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

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

.dept-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--ocean-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

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

.department-card h3 {
    color: var(--navy-blue);
    margin-bottom: 1rem;
}

.department-card > p {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.dept-contact p {
    color: var(--gray-600);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.dept-contact i {
    color: var(--secondary-blue);
    width: 16px;
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background: var(--white);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.faq-question {
    padding: 2rem;
    background: var(--gray-100);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background: var(--light-blue);
}

.faq-question h4 {
    color: var(--navy-blue);
    margin: 0;
}

.faq-question i {
    color: var(--secondary-blue);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 2rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 2rem;
    max-height: 200px;
}

.faq-answer p {
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--ocean-blue) 100%);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

/* Text Center Utility */
.text-center {
    text-align: center;
}

/* Responsive Updates */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .page-header p {
        font-size: 1.1rem;
    }
    
    .overview-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .vm-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-card.detailed {
        padding: 2rem;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .standards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .project-details {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .recent-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .departments-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-grid {
        grid-template-columns: 1fr;
    }
    
    .standards-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-section,
    .map-section {
        padding: 2rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-200);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-blue);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-blue);
}

.catalog-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0 2rem;
}

.catalog-table th,
.catalog-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--gray-200);
    vertical-align: top;
    text-align: left;
}

.catalog-table th:first-child,
.catalog-table td:first-child {
    width: 140px;
}

.catalog-thumb {
    width: 120px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    overflow: hidden;
}

.catalog-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

@media (max-width: 768px) {
    .catalog-table th:first-child,
    .catalog-table td:first-child {
        width: 110px;
    }
    .catalog-thumb { width: 100px; height: 66px; }
}

@media (max-width: 480px) {
    .catalog-table th,
    .catalog-table td { padding: 10px; }
    .catalog-table th:first-child,
    .catalog-table td:first-child { width: 90px; }
    .catalog-thumb { width: 88px; height: 58px; }
}

/* Catalog Grid (Products page) */
.tab-panel .catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 18px;
}

.tab-panel .catalog-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 12px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.tab-panel .catalog-item .catalog-thumb {
    width: 100%;
    height: 160px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.tab-panel .catalog-item .catalog-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.tab-panel .catalog-item .catalog-title {
    font-size: 1rem;
    color: var(--navy-blue);
    margin: 6px 0 4px;
}

.tab-panel .catalog-item .catalog-desc {
    color: var(--gray-600);
    font-size: 0.92rem;
    line-height: 1.5;
    margin-bottom: 10px;
}

.tab-panel .catalog-item .catalog-link {
    margin-top: auto;
    align-self: flex-start;
    background: var(--secondary-blue);
    color: var(--white);
    padding: 8px 12px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background .2s ease, transform .2s ease;
}

.tab-panel .catalog-item .catalog-link:hover {
    background: var(--dark-blue);
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .tab-panel .catalog-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
    .tab-panel .catalog-item .catalog-thumb { height: 140px; }
}

@media (max-width: 480px) {
    .tab-panel .catalog-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .tab-panel .catalog-item .catalog-thumb { height: 120px; }
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    right: 33px;
    bottom: 84px;
    width: 53px;
    height: 53px;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
    z-index: 3000;
    text-decoration: none;
    transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
    pointer-events: auto;
}
.whatsapp-float:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(0,0,0,.18); }
.whatsapp-float i { font-size: 26px; line-height: 1; }
@media (max-width: 480px) { .whatsapp-float { right: 14px; bottom: 78px; width: 52px; height: 52px; } }