/* Professional Corporate Theme */
:root {
    --primary-color: #0f172a;
    --secondary-color: #3b82f6;
    --accent-color: #2563eb;
    --white: #ffffff;
    --light-gray: #f1f5f9;
    --medium-gray: #cbd5e1;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --border-color: #e2e8f0;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 50%, #1e40af 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: -0.3px;
    transition: var(--transition);
}

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

.logo-icon {
    width: 50px;
    height: 50px;
    display: block;
    object-fit: contain;
    transition: var(--transition);
    position: relative;
    flex-shrink: 0;
    border-radius: 8px;
}

.logo:hover .logo-icon {
    transform: rotate(5deg) scale(1.1);
    filter: drop-shadow(0 6px 24px rgba(59, 130, 246, 0.7)) drop-shadow(0 4px 12px rgba(37, 99, 235, 0.4));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    position: relative;
    transition: var(--transition);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 100px;
    position: relative;
    overflow: hidden;
}

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

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 0;
    will-change: transform;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at center, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.25) 50%, rgba(0, 0, 0, 0.15) 100%);
    z-index: 1;
}

.floating-shapes {
    display: none;
}

.floating-shapes .shape-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.floating-shapes .shape-2 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    bottom: -150px;
    right: -150px;
    animation-delay: 8s;
}

.floating-shapes .shape-3 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, #93c5fd, #60a5fa);
    top: 50%;
    right: 10%;
    animation-delay: 15s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: #ffffff;
    letter-spacing: -2px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.gradient-text {
    color: #ffffff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 20px;
    color: #ffffff;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 500;
    line-height: 1.6;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: 'Poppins', sans-serif;
}

.btn-primary {
    background: var(--secondary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    font-weight: 600;
}

.btn-secondary:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.5);
}

.btn-large {
    padding: 16px 40px;
    font-size: 16px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}


.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
    letter-spacing: -1px;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    display: inline-block;
    transition: transform 0.3s ease, text-shadow 0.3s ease;
    animation: statFadeIn 0.6s ease-out;
}

.stat-number.animating {
    animation: statPulse 0.5s ease-out;
    transform: scale(1.1);
    text-shadow: 0 0 20px rgba(59, 130, 246, 0.6), 0 2px 6px rgba(0, 0, 0, 0.3);
}

@keyframes statFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes statPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.15);
    }
    100% {
        transform: scale(1);
    }
}

.stat-item {
    animation: statItemFadeIn 0.8s ease-out;
}

.stat-item:nth-child(1) {
    animation-delay: 0.1s;
}

.stat-item:nth-child(2) {
    animation-delay: 0.2s;
}

.stat-item:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes statItemFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-label {
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.scroll-indicator {
    display: none;
}

/* Sections */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: var(--accent-color);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* About Section */
.about {
    background: var(--white);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-text {
    margin-bottom: 48px;
    text-align: center;
}

.about-description {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.team-card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.team-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.team-avatar {
    margin-bottom: 24px;
}

.team-avatar img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto;
    display: block;
    border: 3px solid #bfdbfe;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.team-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 6px;
    text-align: center;
}

.team-role {
    font-size: 14px;
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 16px;
    text-align: center;
}

.team-bio {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
    text-align: center;
    font-size: 15px;
}

.team-social {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.social-link {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: var(--secondary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
    font-size: 16px;
}

.social-link:hover {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    transform: translateY(-2px);
}

/* Services Section */
.services {
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--white);
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--secondary-color);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--secondary-color);
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    transform: scale(1.05);
}

.service-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.service-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 15px;
}

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

.service-features li {
    color: var(--text-secondary);
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.service-features i {
    color: var(--secondary-color);
    font-size: 14px;
}

/* Portfolio Section */
.portfolio {
    background: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 32px;
}

.portfolio-item {
    border-radius: 16px;
    overflow: hidden;
    background: var(--white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.portfolio-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    height: 240px;
    background: var(--light-gray);
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: rgba(255, 255, 255, 0.4);
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.92);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    padding: 32px;
    text-align: center;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h4 {
    color: white;
    font-size: 22px;
    margin-bottom: 8px;
    font-weight: 700;
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
    font-size: 14px;
}

.portfolio-link {
    color: white;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    transition: var(--transition);
}

.portfolio-link:hover {
    gap: 12px;
}

.portfolio-info {
    padding: 24px;
}

.portfolio-category {
    display: inline-block;
    padding: 4px 12px;
    background: #eff6ff;
    color: var(--secondary-color);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
}

.portfolio-info h3 {
    font-size: 18px;
    color: var(--primary-color);
    font-weight: 600;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--white);
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--secondary-color);
    margin: 0 auto 24px;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    transform: scale(1.05);
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 15px;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 50%, #e0f2fe 100%);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(37, 99, 235, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 64px;
    align-items: start;
    position: relative;
    z-index: 1;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

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

.contact-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.contact-details h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.contact-details p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 15px;
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.social-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 18px;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
}

.social-icon:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.contact-form-wrapper {
    background: white;
    padding: 48px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 2px solid #e0f2fe;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 15px;
    background: #f8fafc;
    color: var(--text-primary);
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    background: white;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.contact-form button {
    grid-column: 1 / -1;
    justify-self: start;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.contact-form button:hover {
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 80px 0 32px;
}

.footer .logo {
    background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #2563eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer .logo-icon {
    filter: drop-shadow(0 4px 12px rgba(96, 165, 250, 0.4));
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-top: 16px;
    font-size: 14px;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
}

.footer-links a:hover {
    color: var(--secondary-color);
}

.footer-newsletter-text {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
    font-size: 14px;
}

.newsletter-form {
    display: flex;
    gap: 8px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 14px;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-form button {
    padding: 12px 20px;
    background: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.footer-bottom i {
    color: #ef4444;
}

/* Animations */
.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

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

.scroll-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    font-size: 20px;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.5);
}

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 76px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
        padding: 32px 0;
        gap: 0;
    }

    .nav-menu li {
        padding: 16px 0;
    }

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

    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 17px;
    }

    .section-title {
        font-size: 32px;
    }

    .hero-stats {
        gap: 20px;
        flex-wrap: wrap;
    }

    .stat-number {
        font-size: 36px;
    }

    .stat-item {
        flex: 1 1 120px;
    }

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

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }

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

    .contact-form-wrapper {
        padding: 32px 24px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

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

@media (max-width: 480px) {
    section {
        padding: 72px 0;
    }
    .nav-wrapper {
        padding: 12px 0;
    }

    .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 14px;
        border-radius: 8px;
    }

    .logo {
        font-size: 18px;
    }

    .container {
        padding: 0 14px;
    }

    .hero {
        padding: 110px 0 56px;
    }

    .hero-title {
        font-size: 32px;
        line-height: 1.15;
        letter-spacing: -1.2px;
    }

    .hero-subtitle {
        font-size: 16px;
        line-height: 1.6;
    }

    .hero-buttons .btn {
        width: 100%;
        padding: 14px 18px;
        border-radius: 12px;
    }

    .hero-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .stat-number {
        font-size: 30px;
    }

    .stat-label {
        font-size: 12px;
    }

    .section-title {
        font-size: 28px;
    }

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

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

    .newsletter-form {
        flex-direction: column;
    }
    .newsletter-form button {
        width: 100%;
    }

    .contact-wrapper {
        gap: 32px;
    }
    .contact-info {
        padding: 24px;
    }
    .contact-form-wrapper {
        padding: 24px 16px;
    }
}

/* Optional Mobile Override Class
   Add class="mobile" to <body> (or a top-level wrapper) to force mobile styles
   regardless of screen size. Useful for previews or embedded views. */
.mobile section {
    padding: 72px 0;
}

.mobile .container {
    padding: 0 14px;
}

.mobile .nav-wrapper {
    padding: 12px 0;
}

.mobile .logo-icon {
    width: 40px;
    height: 40px;
}

.mobile .logo {
    font-size: 18px;
}

.mobile .hero {
    padding: 110px 0 56px;
}

.mobile .hero-title {
    font-size: 32px;
    line-height: 1.15;
    letter-spacing: -1.2px;
}

.mobile .hero-subtitle {
    font-size: 16px;
    line-height: 1.6;
}

.mobile .hero-buttons .btn {
    width: 100%;
    padding: 14px 18px;
    border-radius: 12px;
    justify-content: center;
}

.mobile .hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.mobile .stat-number {
    font-size: 30px;
}

.mobile .stat-label {
    font-size: 12px;
}

.mobile .section-title {
    font-size: 28px;
}

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

.mobile .newsletter-form {
    flex-direction: column;
}

.mobile .newsletter-form button {
    width: 100%;
}

.mobile .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 32px;
}

.mobile .contact-info {
    padding: 24px;
}

.mobile .contact-form-wrapper {
    padding: 24px 16px;
}

/* FAQ Section Styles */
.faq {
    padding: 100px 0;
    background: var(--light-gray);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.faq-question {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.faq-question::after {
    content: '+';
    font-size: 24px;
    color: var(--secondary-color);
    font-weight: 300;
}

.faq-item.active .faq-question::after {
    content: '−';
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.7;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-top: 12px;
}

.faq-answer p {
    margin: 0;
}

/* Testimonials Section Styles */
.testimonials {
    padding: 100px 0;
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.testimonial-card {
    background: var(--light-gray);
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 80px;
    color: var(--secondary-color);
    opacity: 0.2;
    font-family: Georgia, serif;
}

.testimonial-rating {
    color: #fbbf24;
    font-size: 18px;
    margin-bottom: 16px;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.testimonial-author strong {
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 14px;
}

/* Mobile Responsive for FAQ and Testimonials */
@media (max-width: 768px) {
    .faq {
        padding: 60px 0;
    }
    
    .faq-item {
        padding: 20px;
    }
    
    .faq-question {
        font-size: 18px;
    }
    
    .testimonials {
        padding: 60px 0;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 40px;
    }
    
    .testimonial-card {
        padding: 24px;
    }
}