/* --- Modern CSS Variables & Global Styles --- */
:root {
    --primary-blue: #1e40af;
    --primary-blue-light: #3b82f6;
    --secondary-blue: #60a5fa;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --bg-light: #f8fafc;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --white: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --font-primary: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Poppins', 'Noto Sans KR', sans-serif;
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
    max-width: 100%;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    max-width: 100%;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.025em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

/* --- Utility Classes --- */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
    box-sizing: border-box;
}

.section-padding {
    padding: 6rem 0;
    overflow: hidden;
}

.bg-light {
    background-color: var(--bg-light);
}

.bg-gradient {
    background: var(--bg-gradient);
}

.text-center {
    text-align: center;
}

.grid {
    display: grid;
}

.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* --- Modern Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-primary:active {
    transform: translateY(0);
}

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

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

/* --- Header & Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 5rem;
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    height: 40px;
}

.logo img {
    height: 40px;
    max-height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.logo:hover img {
    opacity: 0.8;
}

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

.nav-item a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    transition: var(--transition);
    position: relative;
}

.nav-item a:hover {
    color: var(--primary-blue);
    background: rgba(30, 64, 175, 0.1);
}

.nav-item a::after {
    content: '';
    position: absolute;
    bottom: -0.25rem;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-item a:hover::after {
    width: 80%;
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.language-switcher a {
    text-decoration: none;
    color: var(--text-gray);
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.language-switcher a.active,
.language-switcher a:hover {
    color: var(--primary-blue);
    background: rgba(30, 64, 175, 0.1);
}

.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 2rem;
    height: 1.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
}

.hamburger-menu span {
    width: 100%;
    height: 2px;
    background-color: var(--text-dark);
    border-radius: 1px;
    transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.05) 0%, rgba(96, 165, 250, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

/* --- Background Animation Particles --- */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 20%, rgba(30, 64, 175, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(96, 165, 250, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(30, 64, 175, 0.05) 0%, transparent 50%);
    animation: backgroundMove 20s ease-in-out infinite;
    z-index: -2;
}

@keyframes backgroundMove {
    0%, 100% { transform: translateX(0) translateY(0); }
    25% { transform: translateX(5%) translateY(-2%); }
    50% { transform: translateX(-3%) translateY(3%); }
    75% { transform: translateX(2%) translateY(-1%); }
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23f8fafc" fill-opacity="0.8" d="m0,96l48,112c48,112,144,336,240,336s192-224,288-336s192-224,288-112s192,336,240,336l48,0l0,320l-48,0c-48,0-144,0-240,0s-192,0-288,0s-192,0-288,0s-192,0-240,0l-48,0z"></path></svg>') no-repeat bottom center;
    background-size: cover;
    z-index: -1;
}

.hero-content {
    max-width: 860px;
    margin: 0 auto;
}
 
.hero-title {
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: block;
}

.hero-stat-label {
    font-size: 0.875rem;
    color: var(--text-gray);
    font-weight: 500;
}

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

.section-title h2 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-title p {
    font-size: 1.125rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* --- About Section --- */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

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

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.about-stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.about-stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: block;
}

.about-stat-label {
    font-size: 0.875rem;
    color: var(--text-gray);
}

/* --- Services Section --- */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
}

.service-icon {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.service-card:nth-child(1) .service-icon {
    animation-delay: 0s;
}

.service-card:nth-child(2) .service-icon {
    animation-delay: 0.2s;
}

.service-card:nth-child(3) .service-icon {
    animation-delay: 0.4s;
}

.service-card:nth-child(4) .service-icon {
    animation-delay: 0.6s;
}

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

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

/* --- Solutions Section --- */
.solution-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 5rem;
}

.solution-item:last-child {
    margin-bottom: 0;
}

.solution-item.reverse {
    direction: rtl;
}

.solution-item.reverse > * {
    direction: ltr;
}

.solution-image {
    position: relative;
}

.solution-image img {
    width: 100%;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

.solution-text h4 {
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.solution-text h3 {
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.solution-text p {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--primary-blue);
    font-weight: 600;
    transition: var(--transition);
}

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

.btn-link i {
    transition: var(--transition);
}

.btn-link:hover i {
    transform: translateX(4px);
}

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

.portfolio-card {
    position: relative;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    cursor: pointer;
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

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

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

.portfolio-info {
    padding: 2rem;
    background: var(--white);
}

.portfolio-info h5 {
    color: var(--primary-blue);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.portfolio-info h4 {
    color: var(--text-dark);
    line-height: 1.4;
}

/* --- Contact Section --- */
.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
}

.contact-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

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

.contact-info {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: var(--border-radius-xl);
}

.contact-info h3 {
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-item i {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.map-placeholder {
    height: 200px;
    background: var(--white);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-gray);
    margin-bottom: 2rem;
    overflow: hidden;
    transition: var(--transition);
}

.map-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: var(--text-gray);
    transition: var(--transition);
    padding: 1rem;
    text-align: center;
}

.map-link:hover {
    color: var(--primary-blue);
    background: rgba(30, 64, 175, 0.05);
}

.map-link i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.map-link:hover i {
    transform: scale(1.1);
    color: var(--primary-blue);
}

/* --- Footer --- */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

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

.footer-brand h3 {
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--white) 0%, var(--secondary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: #9ca3af;
    line-height: 1.6;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

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

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

.footer-section ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: #9ca3af;
}

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

.social-links a {
    width: 2.5rem;
    height: 2.5rem;
    background: #374151;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-blue);
}

/* --- Scroll Animations & Motion Graphics --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.fade-in-down {
    opacity: 0;
    transform: translateY(-40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-up {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.slide-in-down {
    opacity: 0;
    transform: translateY(-60px);
    transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.8s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

.rotate-in {
    opacity: 0;
    transform: rotate(-10deg) scale(0.9);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.rotate-in.visible {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.bounce-in {
    opacity: 0;
    transform: scale(0.3);
    transition: opacity 0.6s ease-out, transform 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.bounce-in.visible {
    opacity: 1;
    transform: scale(1);
}

.flip-in {
    opacity: 0;
    transform: rotateY(90deg);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.flip-in.visible {
    opacity: 1;
    transform: rotateY(0deg);
}

.zoom-out {
    opacity: 0;
    transform: scale(1.2);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.zoom-out.visible {
    opacity: 1;
    transform: scale(1);
}

/* --- Parallax Effects --- */
.parallax {
    will-change: transform;
}

/* --- Animated Counters --- */
.counter {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 2.5rem;
    color: var(--primary-blue);
    transition: color 0.3s ease;
}

.counter.counting {
    color: var(--secondary-blue);
}

/* --- Progress Bars --- */
.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--bg-light);
    border-radius: 4px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-radius: 4px;
    transition: width 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 20px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3));
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* --- Hover Effects --- */
.hover-float:hover {
    transform: translateY(-10px);
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(30, 64, 175, 0.4);
    transition: box-shadow 0.3s ease;
}

.hover-rotate:hover {
    transform: rotate(5deg);
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* --- Advanced Animations --- */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.pulse-animation {
    animation: pulse 2s infinite;
}

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

.float-animation {
    animation: float 3s ease-in-out infinite;
}

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

.rotate-animation {
    animation: rotate 10s linear infinite;
}

@keyframes slideInFromBottom {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.slide-in-bottom {
    animation: slideInFromBottom 0.8s ease-out;
}

@keyframes typewriter {
    from { width: 0; }
    to { width: 100%; }
}

.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--primary-blue);
    white-space: nowrap;
    animation: typewriter 4s steps(40, end), blink-cursor 0.75s step-end infinite;
}

@keyframes blink-cursor {
    from, to { border-color: transparent; }
    50% { border-color: var(--primary-blue); }
}

/* --- Scroll Progress Indicator --- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    z-index: 9999;
    transition: width 0.1s ease;
}

/* --- Loading Animations --- */
.loading-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

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

/* --- Intersection Observer Animations --- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Section Background Animations --- */
.section-padding {
    position: relative;
}

.section-padding::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(30, 64, 175, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 80% 60%, rgba(96, 165, 250, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(30, 64, 175, 0.01) 0%, transparent 50%);
    animation: sectionBackgroundFloat 25s ease-in-out infinite;
    z-index: -1;
    pointer-events: none;
}

@keyframes sectionBackgroundFloat {
    0%, 100% { 
        transform: translateX(0) translateY(0) scale(1);
        opacity: 0.3;
    }
    33% { 
        transform: translateX(2%) translateY(-1%) scale(1.02);
        opacity: 0.5;
    }
    66% { 
        transform: translateX(-1%) translateY(2%) scale(0.98);
        opacity: 0.4;
    }
}

/* --- Floating Elements for Different Sections --- */
#services::before {
    background: 
        radial-gradient(circle at 15% 30%, rgba(96, 165, 250, 0.03) 0%, transparent 60%),
        radial-gradient(circle at 85% 70%, rgba(30, 64, 175, 0.02) 0%, transparent 60%);
}

#solutions::before {
    background: 
        radial-gradient(circle at 25% 15%, rgba(30, 64, 175, 0.03) 0%, transparent 55%),
        radial-gradient(circle at 75% 85%, rgba(96, 165, 250, 0.02) 0%, transparent 55%);
    animation-delay: -8s;
}

#portfolio::before {
    background: 
        radial-gradient(circle at 35% 25%, rgba(96, 165, 250, 0.025) 0%, transparent 65%),
        radial-gradient(circle at 65% 75%, rgba(30, 64, 175, 0.025) 0%, transparent 65%);
    animation-delay: -15s;
}

/* --- Geometric Background Shapes --- */
.bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -2;
    pointer-events: none;
}

.bg-shapes::before,
.bg-shapes::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, rgba(30, 64, 175, 0.05), rgba(96, 165, 250, 0.05));
    animation: floatingShapes 20s linear infinite;
}

.bg-shapes::before {
    width: 300px;
    height: 300px;
    top: -150px;
    left: -150px;
    animation-delay: 0s;
}

.bg-shapes::after {
    width: 200px;
    height: 200px;
    bottom: -100px;
    right: -100px;
    animation-delay: -10s;
    animation-direction: reverse;
}

@keyframes floatingShapes {
    0% { transform: translateX(0) translateY(0) rotate(0deg); }
    25% { transform: translateX(100px) translateY(-50px) rotate(90deg); }
    50% { transform: translateX(200px) translateY(0) rotate(180deg); }
    75% { transform: translateX(100px) translateY(50px) rotate(270deg); }
    100% { transform: translateX(0) translateY(0) rotate(360deg); }
}

/* --- Enhanced Background Effects for Sections --- */
.section-bg-enhanced::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(30, 64, 175, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(96, 165, 250, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 50% 20%, rgba(30, 64, 175, 0.02) 0%, transparent 60%),
        radial-gradient(circle at 30% 80%, rgba(96, 165, 250, 0.03) 0%, transparent 50%);
    animation: complexBackgroundFloat 35s ease-in-out infinite;
    z-index: -1;
    pointer-events: none;
}

@keyframes complexBackgroundFloat {
    0%, 100% { 
        transform: translateX(0) translateY(0) scale(1) rotate(0deg);
        opacity: 0.6;
    }
    25% { 
        transform: translateX(3%) translateY(-2%) scale(1.05) rotate(2deg);
        opacity: 0.8;
    }
    50% { 
        transform: translateX(-2%) translateY(3%) scale(0.95) rotate(-1deg);
        opacity: 0.7;
    }
    75% { 
        transform: translateX(1%) translateY(-1%) scale(1.02) rotate(1deg);
        opacity: 0.9;
    }
}

/* --- Animated Grid Background --- */
.grid-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(30, 64, 175, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 64, 175, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 40s linear infinite;
    z-index: -3;
    pointer-events: none;
    opacity: 0.3;
}

@keyframes gridMove {
    0% { transform: translateX(0) translateY(0); }
    100% { transform: translateX(50px) translateY(50px); }
}

/* --- Floating Particles --- */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -2;
    pointer-events: none;
}

.particles::before,
.particles::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(30, 64, 175, 0.3);
    border-radius: 50%;
    animation: floatParticles 15s linear infinite;
}

.particles::before {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.particles::after {
    top: 60%;
    right: 15%;
    animation-delay: -7s;
    background: rgba(96, 165, 250, 0.3);
}

@keyframes floatParticles {
    0% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(50px) scale(0.5);
        opacity: 0;
    }
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
    .about-content,
    .solution-item,
    .solution-item.reverse,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .solution-item.reverse {
        direction: ltr;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

/* --- New Section Styles for Redesigned Layout --- */

/* About Section Enhancements */
.about-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.about-intro {
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    padding: 2.5rem;
    border-radius: var(--border-radius-xl);
    border-left: 4px solid var(--primary-blue);
}

.about-intro-text {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.about-philosophy {
    font-size: 1.05rem;
    color: var(--text-gray);
    line-height: 1.8;
}

.about-section {
    margin-top: 2rem;
}

.about-section h3 {
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.about-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
}

.about-section p {
    font-size: 1.05rem;
    color: var(--text-gray);
    line-height: 1.8;
}

/* Strengths Grid */
.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.strength-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border-top: 3px solid var(--primary-blue);
}

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

.strength-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.strength-icon i {
    font-size: 1.75rem;
    color: var(--white);
}

.strength-card h4 {
    color: var(--text-dark);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.strength-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

.about-promise {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    color: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius-xl);
    text-align: center;
}

.about-promise h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.about-promise h3::after {
    display: none;
}

.about-promise p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.1rem;
}

/* Business Areas Section */
.business-areas {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.business-area {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.business-area:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-3px);
}

.business-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.business-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.business-header h3 {
    font-size: 1.75rem;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.business-subtitle {
    color: var(--text-gray);
    font-size: 1rem;
}

.business-items {
    display: grid;
    gap: 1.5rem;
}

.business-item {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-light);
    border-radius: var(--border-radius-md);
    transition: var(--transition);
}

.business-item:hover {
    background: #e0e7ff;
    transform: translateX(5px);
}

.item-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.item-icon i {
    color: var(--primary-blue);
    font-size: 1.25rem;
}

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

.business-item p {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.6;
}

.business-description {
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: var(--border-radius-md);
    border-left: 4px solid var(--accent-color);
}

.business-description p {
    font-size: 1.05rem;
    color: var(--text-gray);
    line-height: 1.8;
}

/* Services Section Enhancements */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border-top: 4px solid var(--primary-blue);
    display: flex;
    flex-direction: column;
}

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

.service-card .service-subtitle {
    font-size: 0.9rem;
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-card .service-desc {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

/* Services Showcase (New Design) */
.services-showcase {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    margin-top: 3rem;
}

.service-showcase-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: var(--white);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

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

.service-showcase-card:nth-child(even) {
    direction: rtl;
}

.service-showcase-card:nth-child(even) .service-showcase-content {
    direction: ltr;
}

.service-showcase-image {
    position: relative;
    overflow: hidden;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.service-showcase-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

.service-showcase-content {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.service-showcase-content h3 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.service-showcase-subtitle {
    font-size: 1.1rem;
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.service-showcase-features {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.showcase-feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.showcase-feature i {
    color: var(--primary-blue);
    font-size: 1.25rem;
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.showcase-feature span {
    color: var(--text-gray);
    font-size: 1.05rem;
    line-height: 1.6;
}

/* Portfolio List */
.portfolio-list {
    display: grid;
    gap: 1.25rem;
    margin-top: 3rem;
}

.portfolio-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 4px solid transparent;
}

.portfolio-item:hover {
    border-left-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.portfolio-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.portfolio-icon i {
    color: var(--white);
    font-size: 1.25rem;
}

.portfolio-content h4 {
    color: var(--text-dark);
    font-size: 1.05rem;
    line-height: 1.6;
    font-weight: 500;
}

/* Section Title Improvements */
.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-color));
    border-radius: 2px;
}

.section-subtitle {
    color: var(--text-gray);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .section-padding {
        padding: 4rem 0;
    }
    
    .nav-list {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem 0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-list.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hamburger-menu {
        display: flex;
    }
    
    .hamburger-menu.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger-menu.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger-menu.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }

    /* New responsive styles */
    .strengths-grid {
        grid-template-columns: 1fr;
    }

    .business-header {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }

    .portfolio-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .about-intro {
        padding: 1.5rem;
    }

    .about-promise {
        padding: 2rem 1.5rem;
    }

    .business-area {
        padding: 1.5rem;
    }

    /* Services showcase responsive */
    .service-showcase-card {
        grid-template-columns: 1fr;
    }

    .service-showcase-card:nth-child(even) {
        direction: ltr;
    }

    .service-showcase-content {
        padding: 2rem;
    }

    .service-showcase-content h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
    }

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

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