/* ===== CSS Variables ===== */
:root {
    --background: #030712;
    --foreground: #f9fafb;
    --card: #0a0f1a;
    --card-foreground: #f9fafb;
    --muted: #1f2937;
    --muted-foreground: #9ca3af;
    --border: #1f2937;
    --primary: #06b6d4;
    --primary-foreground: #030712;
    --secondary: #14b8a6;
    --accent: #0ea5e9;
    --radius: 0.75rem;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 9999px;
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
}

.section-description {
    color: var(--muted-foreground);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.125rem;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--primary-foreground);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(6, 182, 212, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--foreground);
}

.btn-secondary:hover {
    background: var(--muted);
    border-color: var(--primary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    width: 1rem;
    height: 1rem;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    background: rgba(3, 7, 18, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.header.scrolled {
    border-bottom-color: var(--border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius);
    color: var(--primary-foreground);
}

.logo-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-accent {
    color: var(--primary);
}

.nav {
    display: none;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--muted-foreground);
    transition: color 0.3s ease;
}

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

.header-btn {
    display: none;
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 2.5rem;
    height: 2.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    position: relative;
    width: 1.25rem;
    height: 2px;
    background: var(--foreground);
    transition: all 0.3s ease;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--foreground);
    transition: all 0.3s ease;
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    bottom: -6px;
}

.mobile-menu-btn.active .hamburger {
    background: transparent;
}

.mobile-menu-btn.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-btn.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--background);
    z-index: 999;
    padding: 6rem 1.5rem 2rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-nav-link {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--foreground);
}

.mobile-cta {
    margin-top: 1rem;
}

@media (min-width: 768px) {
    .nav {
        display: flex;
    }
    
    .header-btn {
        display: inline-flex;
    }
    
    .mobile-menu-btn {
        display: none;
    }
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(6, 182, 212, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6, 182, 212, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 9999px;
    color: var(--primary);
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.badge-dot {
    width: 0.5rem;
    height: 0.5rem;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--muted-foreground);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.stat {
    text-align: center;
}

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

.stat-label {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

@media (min-width: 768px) {
    .hero-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===== About Section ===== */
.about {
    padding: 6rem 0;
    background: var(--card);
}

.about-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.about-card {
    padding: 2rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
    transition: all 0.3s ease;
}

.about-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.about-card-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.about-card-icon svg {
    width: 2rem;
    height: 2rem;
}

.about-card-icon.mission {
    background: rgba(6, 182, 212, 0.1);
    color: var(--primary);
}

.about-card-icon.vision {
    background: rgba(20, 184, 166, 0.1);
    color: var(--secondary);
}

.about-card-icon.values {
    background: rgba(14, 165, 233, 0.1);
    color: var(--accent);
}

.about-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.about-card p {
    color: var(--muted-foreground);
    font-size: 0.9375rem;
}

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

.about-text h3 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--muted-foreground);
    margin-bottom: 1rem;
}

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

.about-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--foreground);
}

.about-feature svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--primary);
    flex-shrink: 0;
}

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

.about-stat {
    padding: 1.5rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
}

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

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

@media (min-width: 768px) {
    .about-cards {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .about-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* ===== Services Section ===== */
.services {
    padding: 6rem 0;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.service-card {
    padding: 2rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.service-icon {
    width: 3.5rem;
    height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
}

.service-icon svg {
    width: 1.75rem;
    height: 1.75rem;
}

.service-icon.software {
    background: rgba(6, 182, 212, 0.1);
    color: var(--primary);
}

.service-icon.integration {
    background: rgba(20, 184, 166, 0.1);
    color: var(--secondary);
}

.service-icon.infrastructure {
    background: rgba(14, 165, 233, 0.1);
    color: var(--accent);
}

.service-icon.security {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.service-icon.cloud {
    background: rgba(168, 85, 247, 0.1);
    color: #a855f7;
}

.service-icon.support {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.service-card > p {
    color: var(--muted-foreground);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

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

.service-features li {
    position: relative;
    padding-left: 1.25rem;
    color: var(--muted-foreground);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 0.375rem;
    height: 0.375rem;
    background: var(--primary);
    border-radius: 50%;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===== Why Us Section ===== */
.why-us {
    padding: 6rem 0;
    background: var(--card);
}

.why-us-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.why-us-card {
    padding: 2rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
    transition: all 0.3s ease;
}

.why-us-card:hover {
    border-color: var(--primary);
}

.why-us-icon {
    width: 3.5rem;
    height: 3.5rem;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(6, 182, 212, 0.1);
    border-radius: var(--radius);
    color: var(--primary);
}

.why-us-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

.why-us-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.why-us-card p {
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

.why-us-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(20, 184, 166, 0.1));
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: var(--radius);
}

.why-us-stat {
    text-align: center;
}

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

.why-us-stat-label {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

@media (min-width: 768px) {
    .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-us-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1024px) {
    .why-us-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===== Contact Section ===== */
.contact {
    padding: 6rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--muted-foreground);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-item-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(6, 182, 212, 0.1);
    border-radius: var(--radius);
    color: var(--primary);
    flex-shrink: 0;
}

.contact-item-icon svg {
    width: 1.25rem;
    height: 1.25rem;
}

.contact-item h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contact-item p,
.contact-item a {
    color: var(--muted-foreground);
    font-size: 0.9375rem;
}

.contact-item a:hover {
    color: var(--primary);
}

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

.social-link {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--muted);
    border-radius: var(--radius);
    color: var(--muted-foreground);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary);
    color: var(--primary-foreground);
}

.social-link svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* Contact Form */
.contact-form-container {
    padding: 2rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--foreground);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.form-group select {
    cursor: pointer;
}

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

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

/* ===== Footer ===== */
.footer {
    padding: 4rem 0 2rem;
    background: var(--card);
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--muted-foreground);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    margin-bottom: 1.25rem;
}

.footer-links nav {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--muted-foreground);
    font-size: 0.9375rem;
    transition: color 0.3s ease;
}

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

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--muted-foreground);
    font-size: 0.9375rem;
}

.footer-contact-item svg {
    width: 1rem;
    height: 1rem;
    color: var(--primary);
    flex-shrink: 0;
}

.footer-contact-item a:hover {
    color: var(--primary);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.footer-legal a {
    color: var(--muted-foreground);
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: var(--primary);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
    
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

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

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

/* ===== Utilities ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}