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

:root {
    /* Professional Color Palette - Industry Standard */
    --primary-color: #1a56db;
    --primary-dark: #0e3f8f;
    --primary-light: #3b82f6;
    --secondary-color: #1e293b;
    --accent-color: #10b981;
    --text-dark: #0f172a;
    --text-gray: #475569;
    --text-light: #64748b;
    --bg-dark: #0f172a;
    --bg-gradient-start: #1e293b;
    --bg-gradient-end: #0f172a;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --overlay-dark: rgba(15, 23, 42, 0.9);
    --overlay-light: rgba(15, 23, 42, 0.7);
    
    /* Shadows - Professional Depth */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--bg-white);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation - Professional Fixed Header */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 1);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-weight: 700;
    font-size: 1.375rem;
    color: var(--secondary-color);
    letter-spacing: -0.5px;
}

.logo-icon {
    color: var(--primary-color);
    font-size: 1.75rem;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-gray);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 26px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Hero Section - Professional Enterprise Design */
.hero {
    position: relative;
    padding: 180px 0 120px;
    background: linear-gradient(135deg, var(--bg-gradient-end) 0%, var(--bg-gradient-start) 50%, #1e40af 100%);
    overflow: hidden;
    min-height: 700px;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.75rem;
    color: white;
    letter-spacing: -1.5px;
}

.highlight {
    color: var(--accent-color);
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.375rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
    max-width: 550px;
    line-height: 1.7;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

/* Buttons - Professional Enterprise Style */
.btn {
    padding: 1rem 2.5rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    letter-spacing: 0.3px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 14px rgba(26, 86, 219, 0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 86, 219, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* Hero Floating Cards - Professional Design */
.hero-image {
    position: relative;
    height: 450px;
    animation: fadeInRight 1s ease-out;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.75rem 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-2xl);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    animation: float 3s ease-in-out infinite;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.floating-card.card-1 {
    top: 15%;
    left: 5%;
    animation-delay: 0s;
}

.floating-card.card-2 {
    top: 50%;
    right: 5%;
    animation-delay: 1s;
}

.floating-card.card-3 {
    bottom: 15%;
    left: 15%;
    animation-delay: 2s;
}

.card-icon {
    font-size: 2.25rem;
}

.card-text {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1.0625rem;
}

/* Stats Section - Professional Enterprise */
.stats {
    padding: 5rem 0;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.5), transparent);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
    position: relative;
}

.stat-item::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60%;
    background: linear-gradient(180deg, transparent, rgba(59, 130, 246, 0.3), transparent);
}

.stat-item:last-child::after {
    display: none;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #3b82f6, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
    letter-spacing: -1px;
}

.stat-label {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.875rem;
}

/* Section Styles - Professional */
.section-header {
    text-align: center;
    margin-bottom: 4.5rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 1.25rem;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    font-weight: 400;
}

/* About Section - Professional Layout */
.about {
    padding: 7rem 0;
    background: var(--bg-white);
    position: relative;
}

.about-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 5rem;
    align-items: center;
}

.about-text h3 {
    font-size: 2.25rem;
    color: var(--secondary-color);
    margin-bottom: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.about-text p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    line-height: 1.8;
}

.feature-list {
    list-style: none;
    margin-top: 2.5rem;
}

.feature-list li {
    padding: 1rem 0;
    color: var(--text-dark);
    font-size: 1.125rem;
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
}

.feature-list li:last-child {
    border-bottom: none;
}

.about-image {
    position: relative;
}

.image-placeholder {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-2xl);
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.placeholder-content {
    text-align: center;
    color: white;
    position: relative;
    z-index: 1;
}

.placeholder-icon {
    font-size: 5rem;
    display: block;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.placeholder-content p {
    font-size: 1.75rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Services Section - Professional Grid */
.services {
    padding: 7rem 0;
    background: linear-gradient(180deg, var(--bg-light) 0%, white 100%);
    position: relative;
}

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

.service-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

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

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.service-card h3 {
    font-size: 1.625rem;
    color: var(--secondary-color);
    margin-bottom: 1.25rem;
    font-weight: 700;
}

.service-card p {
    color: var(--text-gray);
    margin-bottom: 1.75rem;
    line-height: 1.7;
    font-size: 1rem;
}

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

.service-features li {
    padding: 0.625rem 0;
    color: var(--text-gray);
    position: relative;
    padding-left: 1.75rem;
    font-size: 0.9375rem;
}

.service-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

/* Why Us Section - Professional Cards */
.why-us {
    padding: 7rem 0;
    background: var(--bg-white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.why-card {
    padding: 3rem 2.5rem;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--bg-light) 0%, white 100%);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    transform: scaleY(0);
    transition: transform 0.4s ease;
}

.why-card:hover::before {
    transform: scaleY(1);
}

.why-card:hover {
    background: white;
    box-shadow: var(--shadow-xl);
    transform: translateX(8px);
}

.why-number {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.25;
    margin-bottom: 1rem;
    line-height: 1;
}

.why-card h3 {
    font-size: 1.75rem;
    color: var(--secondary-color);
    margin-bottom: 1.25rem;
    font-weight: 700;
}

.why-card p {
    color: var(--text-gray);
    font-size: 1.125rem;
    line-height: 1.7;
}

/* Contact Section - Professional Form */
.contact {
    padding: 7rem 0;
    background: linear-gradient(180deg, var(--bg-light) 0%, white 100%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
}

.contact-info h2 {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.contact-info > p {
    color: var(--text-gray);
    font-size: 1.25rem;
    margin-bottom: 3rem;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.contact-icon {
    font-size: 1.75rem;
}

.contact-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.375rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.contact-value {
    color: var(--text-dark);
    font-weight: 600;
    font-size: 1.0625rem;
}

.contact-form {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.625rem;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.9375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--bg-light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 4px rgba(26, 86, 219, 0.1);
}

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

/* Footer - Professional Enterprise */
.footer {
    background: linear-gradient(135deg, var(--bg-gradient-end) 0%, var(--bg-gradient-start) 100%);
    color: white;
    padding: 5rem 0 2rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.5), transparent);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-weight: 700;
    font-size: 1.375rem;
    margin-bottom: 1.25rem;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    font-size: 1rem;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

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

.footer-links li {
    margin-bottom: 0.875rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.9375rem;
}

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

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

.social-links a {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(26, 86, 219, 0.4);
}

.footer-bottom {
    text-align: center;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9375rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Responsive Design - Professional Breakpoints */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        top: 78px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
        pointer-events: none;
        gap: 1rem;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .mobile-menu-btn {
        display: flex;
    }

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

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

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

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

    .hero-image {
        display: none;
    }

    .hero-title {
        font-size: 2.75rem;
    }

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

    .stat-item::after {
        display: none;
    }

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

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

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

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

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

@media (max-width: 640px) {
    .hero {
        padding: 140px 0 80px;
        min-height: 600px;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

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

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

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

    .section-title {
        font-size: 2.25rem;
    }

    .contact-form {
        padding: 2rem 1.5rem;
    }
}

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

/* Selection */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

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