/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors */
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --primary-light: #3385FF;
    
    /* AI/Tech Gradient */
    --gradient-1: #0066FF;
    --gradient-2: #00D4FF;
    --gradient-3: #7C3AED;
    
    /* Security Colors */
    --security: #10B981;
    --security-dark: #059669;
    
    /* Neutral Colors */
    --dark: #0F172A;
    --dark-800: #1E293B;
    --dark-700: #334155;
    --dark-600: #475569;
    --gray: #64748B;
    --light-gray: #94A3B8;
    --lighter-gray: #CBD5E1;
    --lightest: #F1F5F9;
    --white: #FFFFFF;
    
    /* Spacing */
    --container-width: 1280px;
    --section-padding: 100px;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--white);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2), var(--gradient-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: gradientShift 8s ease infinite;
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    color: var(--white);
    box-shadow: 0 4px 14px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--dark);
    border: 2px solid var(--dark-700);
}

.btn-secondary:hover {
    background: var(--dark);
    color: var(--white);
    border-color: var(--dark);
}

.btn-full {
    width: 100%;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--lighter-gray);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
}

.logo a {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    color: var(--dark-700);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

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

.cta-link {
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: 6px;
}

.cta-link::after {
    display: none;
}

.cta-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

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

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

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 50%, #F5F3FF 100%);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 60px 0;
}

.hero-title {
    font-size: clamp(40px, 6vw, 72px);
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(18px, 2vw, 22px);
    color: var(--dark-600);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

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

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

.stat-number {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.stat-label {
    color: var(--dark-600);
    font-size: 16px;
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--gray);
    font-size: 14px;
    font-weight: 500;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--gray);
    border-bottom: 2px solid var(--gray);
    transform: rotate(45deg);
    margin: 10px auto;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: rotate(45deg) translateY(0); }
    40% { transform: rotate(45deg) translateY(10px); }
    60% { transform: rotate(45deg) translateY(5px); }
}

/* ===== TRUST SECTION ===== */
.trust-section {
    padding: 60px 0;
    background: var(--white);
    border-bottom: 1px solid var(--lighter-gray);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

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

.trust-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.trust-item h3 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--dark);
}

.trust-item p {
    color: var(--gray);
    font-size: 15px;
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: var(--section-padding) 0;
    background: var(--lightest);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: clamp(36px, 5vw, 48px);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray);
    line-height: 1.7;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.service-card.featured {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05), rgba(124, 58, 237, 0.05));
    border-color: var(--primary);
}

.service-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.service-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--dark);
}

.service-card > p {
    color: var(--dark-600);
    margin-bottom: 24px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-bottom: 24px;
}

.service-features li {
    padding: 10px 0;
    color: var(--dark-700);
    border-bottom: 1px solid var(--lighter-gray);
    font-size: 15px;
}

.service-features li:before {
    content: '✓ ';
    color: var(--security);
    font-weight: 700;
    margin-right: 8px;
}

.service-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.service-link:hover {
    color: var(--primary-dark);
    transform: translateX(4px);
    display: inline-block;
}

/* ===== EXPERTISE SECTION ===== */
.expertise {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.expertise-content {
    max-width: 900px;
    margin: 0 auto;
}

.expertise-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 32px;
    margin-bottom: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--lighter-gray);
}

.expertise-item:last-child {
    border-bottom: none;
}

.expertise-number {
    font-size: 64px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.6;
}

.expertise-details h3 {
    font-size: 28px;
    margin-bottom: 16px;
    color: var(--dark);
}

.expertise-details p {
    color: var(--dark-600);
    line-height: 1.8;
    margin-bottom: 20px;
}

.expertise-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--lightest);
    border: 1px solid var(--lighter-gray);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--dark-700);
}

/* ===== CASE STUDY SECTION ===== */
.case-study {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-800) 100%);
    color: var(--white);
}

.case-study-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(16, 185, 129, 0.2);
    color: var(--security);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.case-study-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.case-study-text h2 {
    font-size: 40px;
    margin-bottom: 24px;
    color: var(--white);
}

.case-study-text p {
    color: var(--lighter-gray);
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 40px;
}

.case-study-results {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

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

.result-value {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-2), var(--security));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.result-label {
    color: var(--light-gray);
    font-size: 14px;
}

.case-study-visual {
    display: flex;
    align-items: center;
    gap: 20px;
}

.visual-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    flex: 1;
}

.visual-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.visual-card h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--white);
}

.visual-card p {
    color: var(--lighter-gray);
    font-size: 14px;
}

.visual-arrow {
    font-size: 24px;
    color: var(--lighter-gray);
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--section-padding) 0;
    background: var(--lightest);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-content h2 {
    font-size: 40px;
    margin-bottom: 24px;
    line-height: 1.3;
}

.about-intro {
    font-size: 18px;
    color: var(--dark-700);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-content p {
    color: var(--dark-600);
    line-height: 1.8;
    margin-bottom: 32px;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 40px;
}

.value-item h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--dark);
}

.value-item p {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 0;
}

.feature-box {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    margin-bottom: 32px;
}

.feature-box h3 {
    font-size: 24px;
    margin-bottom: 24px;
    color: var(--dark);
}

.cert-list {
    display: grid;
    gap: 12px;
}

.cert-item {
    color: var(--dark-700);
    padding: 12px;
    background: var(--lightest);
    border-radius: 8px;
    font-size: 15px;
}

.numbers-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.number-box {
    text-align: center;
    padding: 20px;
    background: var(--lightest);
    border-radius: 12px;
}

.big-number {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-1), var(--gradient-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.number-label {
    color: var(--gray);
    font-size: 14px;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.testimonial-card {
    background: var(--lightest);
    padding: 40px;
    border-radius: 16px;
    border-left: 4px solid var(--primary);
}

.stars {
    color: #FFC107;
    font-size: 20px;
    margin-bottom: 20px;
}

.testimonial-text {
    color: var(--dark-700);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.author-name {
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.author-title {
    color: var(--gray);
    font-size: 14px;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--section-padding) 0;
    background: var(--lightest);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 40px;
    margin-bottom: 24px;
    line-height: 1.3;
}

.contact-intro {
    color: var(--dark-600);
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: start;
}

.contact-icon {
    font-size: 24px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.contact-item h4 {
    font-size: 16px;
    margin-bottom: 4px;
    color: var(--dark);
}

.contact-item p {
    color: var(--gray);
    font-size: 15px;
}

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

.social-link {
    padding: 12px 24px;
    background: var(--white);
    color: var(--dark-700);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.social-link:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-form-container {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--dark);
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 2px solid var(--lighter-gray);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 15px;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

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

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: var(--lighter-gray);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    font-size: 20px;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-col h4 {
    font-size: 16px;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-col p {
    color: var(--light-gray);
    line-height: 1.7;
}

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

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

.footer-col ul li a {
    color: var(--lighter-gray);
    text-decoration: none;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--white);
    padding-left: 4px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--dark-700);
    color: var(--gray);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .about-grid,
    .contact-grid,
    .case-study-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .expertise-item {
        grid-template-columns: 60px 1fr;
        gap: 24px;
    }
    
    .expertise-number {
        font-size: 48px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: var(--white);
        padding: 40px 24px;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
        gap: 24px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-stats {
        gap: 40px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-values {
        grid-template-columns: 1fr;
    }
    
    .case-study-visual {
        flex-direction: column;
    }
    
    .visual-arrow {
        transform: rotate(90deg);
    }
    
    .case-study-results {
        flex-direction: column;
        gap: 24px;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-grid {
        grid-template-columns: 1fr;
    }
    
    .expertise-item {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .expertise-badges {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 16px 20px;
    }
    
    .logo a {
        font-size: 20px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .service-card,
    .feature-box,
    .contact-form-container {
        padding: 24px;
    }
    
    .about-content h2,
    .contact-info h2,
    .case-study-text h2 {
        font-size: 28px;
    }
}

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

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }