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

:root {
    /* Primary Colors */
    --primary-blue: #3b82f6;
    --primary-blue-dark: #1e40af;
    --secondary-purple: #8b5cf6;
    --purple-dark: #6d28d9;

    /* Success/Real Estate */
    --success-green: #10b981;
    --success-green-dark: #059669;

    /* Manufacturing */
    --manufacturing-orange: #f59e0b;
    --manufacturing-orange-dark: #d97706;

    /* Additional Colors */
    --red: #ef4444;
    --pink: #ec4899;
    --yellow: #fbbf24;
    --cyan: #06b6d4;
    --indigo: #6366f1;
    --teal: #14b8a6;

    /* Neutral Colors */
    --white: #ffffff;
    --light-gray: #f3f4f6;
    --gray: #6b7280;
    --dark-gray: #374151;
    --dark-text: #1a1a1a;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --line-height: 1.6;

    /* Spacing */
    --section-padding: 5rem 0;
    --container-padding: 0 1.5rem;

    /* Transitions */
    --transition: all 0.3s ease;
    --transition-slow: all 0.6s ease;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    color: var(--dark-text);
    line-height: var(--line-height);
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Animated Background Particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

/* Typography */
h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
}

h3 {
    font-size: 1.75rem;
    font-weight: 600;
    line-height: 1.3;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

p {
    font-size: 1rem;
    line-height: var(--line-height);
}

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

/* Gradient Text Effects */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.animated-gradient {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-purple), var(--pink), var(--manufacturing-orange));
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientMove 5s ease infinite;
}

@keyframes gradientMove {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.logo-icon {
    font-size: 1.5rem;
    animation: rotate360 3s linear infinite;
}

@keyframes rotate360 {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.logo-badge {
    font-size: 0.75rem;
    background: linear-gradient(135deg, var(--manufacturing-orange), var(--red));
    color: var(--white);
    padding: 0.25rem 0.5rem;
    border-radius: 20px;
    font-weight: 600;
    position: absolute;
    top: -10px;
    right: -30px;
    animation: pulse 2s ease-in-out infinite;
}

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

.nav-link {
    font-weight: 500;
    position: relative;
    color: var(--dark-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link i {
    font-size: 0.875rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-purple));
    transition: width 0.3s ease;
}

.nav-link:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.btn-gradient-contact {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-purple));
    color: var(--white) !important;
    padding: 0.75rem 1.5rem !important;
    border-radius: 25px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-gradient-contact:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-gradient-contact::after {
    display: none;
}

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

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

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Multi-Colored Button Styles */
.btn {
    padding: 0.875rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn span {
    position: relative;
    z-index: 1;
}

.btn i {
    transition: transform 0.3s ease;
    position: relative;
    z-index: 1;
}

.btn:hover i {
    transform: translateX(5px);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

/* Gradient Button Variations */
.btn-gradient-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--indigo));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-gradient-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

.btn-gradient-secondary {
    background: linear-gradient(135deg, var(--secondary-purple), var(--pink));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.btn-gradient-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5);
}

.btn-gradient-success {
    background: linear-gradient(135deg, var(--success-green), var(--teal));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.btn-gradient-success:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
}

.btn-gradient-rainbow {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #4facfe 75%, #00f2fe 100%);
    background-size: 300% 300%;
    color: var(--white);
    animation: gradientShift 3s ease infinite;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.5);
}

.btn-gradient-rainbow:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.6);
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.btn-gradient-tech {
    background: linear-gradient(135deg, var(--primary-blue), var(--cyan));
    color: var(--white);
}

.btn-gradient-investment {
    background: linear-gradient(135deg, var(--indigo), var(--purple-dark));
    color: var(--white);
}

.btn-gradient-realestate {
    background: linear-gradient(135deg, var(--success-green), var(--success-green-dark));
    color: var(--white);
}

.btn-gradient-manufacturing {
    background: linear-gradient(135deg, var(--manufacturing-orange), var(--manufacturing-orange-dark));
    color: var(--white);
}

.btn-gradient-development {
    background: linear-gradient(135deg, var(--pink), var(--red));
    color: var(--white);
}

.btn-gradient-consulting {
    background: linear-gradient(135deg, var(--yellow), var(--manufacturing-orange));
    color: var(--white);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* Hero Section */
.hero {
    padding: 8rem 0 5rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0e7ff 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    animation: bgMove 15s ease-in-out infinite;
}

@keyframes bgMove {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(50px, 50px); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
    border: 2px solid rgba(59, 130, 246, 0.3);
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
}

.pulse-animation {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-title {
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    margin-bottom: 2rem;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat-badge {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 1.5rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.stat-badge i {
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.stat-badge strong {
    display: block;
    font-size: 1.5rem;
    color: var(--dark-text);
    font-weight: 700;
}

.stat-badge span {
    display: block;
    font-size: 0.875rem;
    color: var(--gray);
}

/* Slide Up Animations */
.animate-slide-up {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Floating Cards */
.hero-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    perspective: 1000px;
}

.floating-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    animation: float 3s ease-in-out infinite;
    animation-delay: var(--delay);
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.5);
    transition: var(--transition);
}

.floating-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    animation: rotate 8s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.card-tech {
    border-color: var(--primary-blue);
}

.card-tech i {
    color: var(--primary-blue);
}

.card-investment {
    border-color: var(--secondary-purple);
}

.card-investment i {
    color: var(--secondary-purple);
}

.card-realestate {
    border-color: var(--success-green);
}

.card-realestate i {
    color: var(--success-green);
}

.card-manufacturing {
    border-color: var(--manufacturing-orange);
}

.card-manufacturing i {
    color: var(--manufacturing-orange);
}

.floating-card i {
    font-size: 2.5rem;
    position: relative;
    z-index: 1;
}

.floating-card span {
    font-weight: 600;
    font-size: 1.125rem;
    position: relative;
    z-index: 1;
}

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: bounce 2s ease-in-out infinite;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-blue);
    border-radius: 15px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary-blue);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0% { top: 8px; opacity: 1; }
    100% { top: 30px; opacity: 0; }
}

@keyframes bounce {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 10px); }
}

.arrow span {
    width: 10px;
    height: 10px;
    border-left: 2px solid var(--primary-blue);
    border-bottom: 2px solid var(--primary-blue);
    transform: rotate(-45deg);
    display: block;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    color: var(--primary-blue);
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    border: 2px solid rgba(59, 130, 246, 0.2);
}

.section-title {
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--gray);
    font-size: 1.125rem;
}

/* About Section */
.about {
    padding: var(--section-padding);
}

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

.animated-underline {
    position: relative;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.animated-underline::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-purple));
    border-radius: 2px;
}

.about-text p {
    color: var(--gray);
    margin-bottom: 2rem;
}

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

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: 15px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

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

.stat-item p {
    color: var(--gray);
    font-size: 0.875rem;
}

.features-grid {
    display: grid;
    gap: 1.5rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.feature-card-blue {
    border-color: rgba(59, 130, 246, 0.3);
}

.feature-card-blue:hover {
    border-color: var(--primary-blue);
}

.feature-card-purple {
    border-color: rgba(139, 92, 246, 0.3);
}

.feature-card-purple:hover {
    border-color: var(--secondary-purple);
}

.feature-card-green {
    border-color: rgba(16, 185, 129, 0.3);
}

.feature-card-green:hover {
    border-color: var(--success-green);
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
}

.feature-card-blue .feature-icon-wrapper {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.05));
}

.feature-card-purple .feature-icon-wrapper {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.05));
}

.feature-card-green .feature-icon-wrapper {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.05));
}

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

.feature-card-purple .feature-icon-wrapper i {
    color: var(--secondary-purple);
}

.feature-card-green .feature-icon-wrapper i {
    color: var(--success-green);
}

.feature-card h4 {
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--gray);
    font-size: 0.9375rem;
}

.feature-shine {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    transform: rotate(45deg);
    transition: var(--transition-slow);
}

.feature-card:hover .feature-shine {
    right: 150%;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.service-card.animate {
    animation: fadeInUp 0.6s ease forwards;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.service-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.service-icon {
    width: 70px;
    height: 70px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
}

.service-icon i {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-badge {
    background: linear-gradient(135deg, var(--manufacturing-orange), var(--red));
    color: var(--white);
    padding: 0.375rem 0.875rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    animation: pulse 2s ease-in-out infinite;
}

.service-card-tech {
    border-color: rgba(59, 130, 246, 0.2);
}

.service-card-tech:hover {
    border-color: var(--primary-blue);
}

.service-card-investment {
    border-color: rgba(99, 102, 241, 0.2);
}

.service-card-investment:hover {
    border-color: var(--indigo);
}

.service-card-realestate {
    border-color: rgba(16, 185, 129, 0.2);
}

.service-card-realestate:hover {
    border-color: var(--success-green);
}

.service-card-manufacturing {
    border-color: rgba(245, 158, 11, 0.2);
}

.service-card-manufacturing:hover {
    border-color: var(--manufacturing-orange);
}

.service-card-development {
    border-color: rgba(236, 72, 153, 0.2);
}

.service-card-development:hover {
    border-color: var(--pink);
}

.service-card-consulting {
    border-color: rgba(251, 191, 36, 0.2);
}

.service-card-consulting:hover {
    border-color: var(--yellow);
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card > p {
    color: var(--gray);
    margin-bottom: 1.5rem;
}

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

.service-card ul li {
    color: var(--gray);
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.service-card ul li i {
    color: var(--success-green);
    font-size: 1rem;
}

/* Portfolio Section */
.portfolio {
    padding: var(--section-padding);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--primary-blue);
    background: transparent;
    color: var(--primary-blue);
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.filter-btn-gradient {
    border-color: transparent;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-purple));
    color: var(--white);
}

.filter-btn-gradient:hover,
.filter-btn-gradient.active {
    background: linear-gradient(135deg, var(--primary-blue-dark), var(--purple-dark));
}

.filter-btn-tech {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.filter-btn-tech:hover,
.filter-btn-tech.active {
    background: linear-gradient(135deg, var(--primary-blue), var(--cyan));
}

.filter-btn-realestate {
    border-color: var(--success-green);
    color: var(--success-green);
}

.filter-btn-realestate:hover,
.filter-btn-realestate.active {
    background: linear-gradient(135deg, var(--success-green), var(--teal));
}

.filter-btn-manufacturing {
    border-color: var(--manufacturing-orange);
    color: var(--manufacturing-orange);
}

.filter-btn-manufacturing:hover,
.filter-btn-manufacturing.active {
    background: linear-gradient(135deg, var(--manufacturing-orange), var(--red));
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0;
    transform: scale(0.9);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.portfolio-item.show {
    animation: fadeInScale 0.5s ease forwards;
}

.portfolio-item.hide {
    display: none;
}

.portfolio-item:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.portfolio-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    position: relative;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.15);
}

.portfolio-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 2;
    backdrop-filter: blur(10px);
}

.badge-tech {
    background: rgba(59, 130, 246, 0.9);
    color: var(--white);
}

.badge-realestate {
    background: rgba(16, 185, 129, 0.9);
    color: var(--white);
}

.badge-manufacturing {
    background: rgba(245, 158, 11, 0.9);
    color: var(--white);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.3));
    padding: 2rem;
    color: var(--white);
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

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

.portfolio-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.portfolio-overlay p {
    font-size: 0.9375rem;
    margin-bottom: 1rem;
}

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

.portfolio-link:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: rotate(360deg);
}

/* Contact Section */
.contact {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.info-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.info-card-blue {
    border-color: rgba(59, 130, 246, 0.3);
}

.info-card-blue:hover {
    border-color: var(--primary-blue);
}

.info-card-green {
    border-color: rgba(16, 185, 129, 0.3);
}

.info-card-green:hover {
    border-color: var(--success-green);
}

.info-card-purple {
    border-color: rgba(139, 92, 246, 0.3);
}

.info-card-purple:hover {
    border-color: var(--secondary-purple);
}

.info-card-orange {
    border-color: rgba(245, 158, 11, 0.3);
}

.info-card-orange:hover {
    border-color: var(--manufacturing-orange);
}

.info-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
}

.info-card-blue .info-icon {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.05));
}

.info-card-green .info-icon {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.05));
}

.info-card-purple .info-icon {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.05));
}

.info-card-orange .info-icon {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.05));
}

.info-icon i {
    font-size: 2rem;
}

.info-card-blue .info-icon i {
    color: var(--primary-blue);
}

.info-card-green .info-icon i {
    color: var(--success-green);
}

.info-card-purple .info-icon i {
    color: var(--secondary-purple);
}

.info-card-orange .info-icon i {
    color: var(--manufacturing-orange);
}

.info-card h4 {
    margin-bottom: 0.75rem;
}

.info-card p {
    color: var(--gray);
    font-size: 0.9375rem;
}

.info-card a {
    color: var(--primary-blue);
    font-weight: 600;
}

.info-card a:hover {
    text-decoration: underline;
}

.info-card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.info-card:hover .info-card-glow {
    opacity: 1;
    animation: rotate 3s linear infinite;
}

.map-container {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.map-container iframe {
    width: 100%;
    display: block;
}

/* Footer */
.footer {
    background: var(--dark-text);
    color: var(--white);
    padding: 4rem 0 2rem;
    position: relative;
}

.footer-top-wave {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: var(--light-gray);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 0);
}

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

.footer-logo {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-column p {
    color: var(--gray);
    margin-bottom: 1.5rem;
}

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

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-purple));
    z-index: -1;
    transition: var(--transition);
}

.social-linkedin::before {
    background: linear-gradient(135deg, #0077b5, #00a0dc);
}

.social-twitter::before {
    background: linear-gradient(135deg, #1da1f2, #0d8bd9);
}

.social-facebook::before {
    background: linear-gradient(135deg, #1877f2, #0d65d9);
}

.social-instagram::before {
    background: linear-gradient(135deg, #e1306c, #f56040, #fcaf45);
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.4);
}

.footer-column h4 {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

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

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column ul li a {
    color: var(--gray);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-column ul li a i {
    font-size: 0.75rem;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--white);
    padding-left: 10px;
}

.footer-column ul li a:hover i {
    transform: translateX(5px);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--gray);
}

.heart-beat {
    display: inline-block;
    animation: heartBeat 1.5s ease-in-out infinite;
    color: var(--red);
}

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    10%, 30% { transform: scale(1.2); }
    20%, 40% { transform: scale(1); }
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--gray);
    transition: var(--transition);
}

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

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-purple));
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

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

@keyframes fadeInScale {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Scroll Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Loading State */
img[loading="lazy"] {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

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

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

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

@media (max-width: 768px) {
    :root {
        --section-padding: 3rem 0;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 5rem 2rem;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: right 0.4s ease;
        align-items: flex-start;
    }

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

    .nav-link {
        width: 100%;
        justify-content: flex-start;
    }

    .btn-gradient-contact {
        width: 100%;
    }

    .hero {
        padding: 6rem 0 3rem;
        min-height: auto;
    }

    .hero-subtitle {
        max-width: 100%;
    }

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

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

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

    .floating-card {
        padding: 1.5rem 1rem;
    }

    .floating-card i {
        font-size: 2rem;
    }

    .floating-card span {
        font-size: 0.9375rem;
    }

    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    .stat-item h4 {
        font-size: 2rem;
    }

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 320px) {
    h1 {
        font-size: 1.75rem;
    }

    .hero-visual {
        grid-template-columns: 1fr;
    }

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