/* ===================================
   Tesara AI Website - Professional Styles
   Modern, Responsive, AI Company Design
   =================================== */

/* === ROOT VARIABLES === */
:root {
    /* Colors */
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --primary-light: #3385FF;
    --secondary: #00D4FF;
    --accent: #6B46C1;
    --dark: #1A202C;
    --dark-light: #2D3748;
    --light: #F7FAFC;
    --light-gray: #EDF2F7;
    --white: #FFFFFF;
    --text-dark: #1A202C;
    --text-gray: #4A5568;
    --text-light: #718096;
    --success: #48BB78;
    --error: #F56565;
    --warning: #ED8936;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00D4FF 100%);
    --gradient-accent: linear-gradient(135deg, #6B46C1 0%, #9F7AEA 100%);
    --gradient-dark: linear-gradient(135deg, #1A202C 0%, #2D3748 100%);
    
    /* Spacing */
    --section-padding: 100px;
    --section-padding-mobile: 60px;
    --container-max: 1200px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --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 ease;
    --transition-fast: all 0.2s ease;
}

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

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

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

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-gray);
    line-height: 1.7;
}

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

a:hover {
    color: var(--primary-dark);
}

.lead {
    font-size: 1.25rem;
    font-weight: var(--font-weight-medium);
    color: var(--text-gray);
    line-height: 1.8;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === CONTAINER & LAYOUT === */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: var(--section-padding) 0;
}

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

.section-dark {
    background-color: var(--dark);
    color: var(--white);
}

.section-dark h1, 
.section-dark h2, 
.section-dark h3, 
.section-dark h4 {
    color: var(--white);
}

.section-dark p {
    color: rgba(255, 255, 255, 0.9);
}

.section-accent {
    background: var(--gradient-primary);
    color: var(--white);
}

.section-accent h1, 
.section-accent h2, 
.section-accent h3, 
.section-accent h4 {
    color: var(--white);
}

.section-accent p {
    color: rgba(255, 255, 255, 0.95);
}

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

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

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
}

.section-header.center .section-subtitle {
    margin: 0 auto;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--border-radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: transparent;
}

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

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

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

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

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

/* === NAVIGATION === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--text-dark);
    text-decoration: none;
}

.logo-icon {
    font-size: 1.75rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: var(--text-gray);
    font-weight: var(--font-weight-medium);
    padding: 0.5rem 0;
    position: relative;
}

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

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

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

.nav-cta {
    list-style: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* === HERO SECTION === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(0, 212, 255, 0.3), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(102, 70, 255, 0.3), transparent),
        radial-gradient(2px 2px at 80% 10%, rgba(255, 255, 255, 0.3), transparent);
    background-size: 200% 200%;
    animation: particle-animation 20s ease-in-out infinite;
}

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

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    color: var(--white);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item i {
    font-size: 2rem;
    color: var(--secondary);
}

.stat-content h3 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 0;
}

.stat-content p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    animation: bounce 2s infinite;
}

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

/* Animation classes */
.animate-fade-in {
    animation: fadeIn 1s ease-in;
}

.animate-fade-in-delay {
    animation: fadeIn 1s ease-in 0.3s backwards;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-in 0.6s backwards;
}

.animate-fade-in-delay-3 {
    animation: fadeIn 1s ease-in 0.9s backwards;
}

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

/* === PAGE HERO === */
.page-hero {
    padding: 120px 0 60px;
    background: var(--gradient-dark);
    color: var(--white);
    text-align: center;
}

.page-title {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto;
}

/* === SERVICES GRID === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

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

.service-card.featured {
    background: var(--gradient-primary);
    color: var(--white);
}

.service-card.featured h3,
.service-card.featured p,
.service-card.featured li {
    color: var(--white);
}

.featured-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
}

.service-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

.service-card.featured .service-icon {
    background: rgba(255, 255, 255, 0.2);
}

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

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-features {
    list-style: none;
    margin: 1.5rem 0;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.service-features i {
    color: var(--primary);
    font-size: 0.9rem;
}

.service-card.featured .service-features i {
    color: var(--white);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: var(--font-weight-semibold);
    margin-top: 1rem;
}

.service-card.featured .service-link {
    color: var(--white);
}

/* === BENEFITS GRID === */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.benefit-card {
    text-align: center;
    padding: 2rem;
}

.benefit-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
}

.benefit-icon i {
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.benefit-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.benefit-card p {
    color: rgba(255, 255, 255, 0.9);
}

/* === TECH CATEGORIES === */
.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.tech-category {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.tech-category h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.tech-category h3 i {
    color: var(--primary);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tech-tag {
    background: var(--light-gray);
    color: var(--text-gray);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
}

/* === CTA SECTION === */
.cta-section {
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* === FOOTER === */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: var(--font-weight-extrabold);
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 1.75rem;
    color: var(--secondary);
}

.footer-tagline {
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--secondary);
    padding-left: 0.5rem;
}

.footer-section ul li i {
    font-size: 0.75rem;
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.contact-info i {
    font-size: 1.1rem;
    color: var(--secondary);
    margin-top: 0.2rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.footer-credit i {
    color: var(--error);
}

/* === SCROLL TO TOP === */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* === FLASH MESSAGES === */
.flash-container {
    position: fixed;
    top: 100px;
    right: 2rem;
    z-index: 9999;
    max-width: 400px;
}

.flash-message {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-xl);
    margin-bottom: 1rem;
    animation: slideInRight 0.3s ease-out;
}

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

.flash-success {
    background: var(--success);
    color: var(--white);
}

.flash-error {
    background: var(--error);
    color: var(--white);
}

.flash-message i {
    font-size: 1.5rem;
}

.flash-close {
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.25rem;
    margin-left: auto;
}

/* === CONTENT SPLIT === */
.content-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.content-text h2 {
    margin-bottom: 1.5rem;
}

.image-placeholder {
    background: var(--light-gray);
    border-radius: var(--border-radius-lg);
    padding: 4rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.image-placeholder i {
    font-size: 5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.image-placeholder p {
    font-size: 1.2rem;
    color: var(--text-gray);
    font-weight: var(--font-weight-semibold);
}

/* === MISSION/VISION === */
.mission-vision {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.mission-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.mission-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

.mission-icon i {
    font-size: 2.5rem;
    color: var(--secondary);
}

.mission-card h3 {
    font-size: 1.75rem;
    color: var(--white);
    margin-bottom: 1rem;
}

.mission-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

/* === VALUES GRID === */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.value-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.value-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-gray);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
}

.value-icon i {
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* === DIFFERENTIATORS === */
.differentiators {
    display: grid;
    gap: 2rem;
}

.differentiator-item {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.diff-number {
    font-size: 3rem;
    font-weight: var(--font-weight-extrabold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    min-width: 80px;
}

.diff-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

/* === SERVICE DETAIL === */
.service-detail {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.section-dark .service-detail {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.service-detail-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.service-detail-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    flex-shrink: 0;
}

.service-detail-icon i {
    font-size: 3rem;
    color: var(--white);
}

.service-detail-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin: 0;
}

.section-dark .service-detail-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.service-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.feature-box {
    padding: 2rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.section-dark .feature-box {
    background: rgba(255, 255, 255, 0.05);
}

.feature-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-box i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
    display: block;
}

.feature-box h4 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.section-dark .feature-box h4 {
    color: var(--white);
}

.feature-box p {
    color: var(--text-gray);
    margin: 0;
}

.section-dark .feature-box p {
    color: rgba(255, 255, 255, 0.8);
}

/* === USE CASES & TECH STACK === */
.use-cases,
.tech-stack {
    margin-top: 3rem;
}

.use-cases h3,
.tech-stack h3 {
    margin-bottom: 1.5rem;
}

.use-case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.use-case-tags span {
    background: var(--light-gray);
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius-sm);
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.use-case-tags i {
    color: var(--success);
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.tech-badge {
    background: var(--primary);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: var(--font-weight-medium);
}

.section-dark .tech-badge {
    background: rgba(255, 255, 255, 0.1);
}

/* === CONTACT PAGE === */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info-section h2 {
    margin-bottom: 1rem;
}

.contact-methods {
    margin: 3rem 0;
}

.contact-method {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--light-gray);
}

.contact-method:last-child {
    border-bottom: none;
}

.method-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    flex-shrink: 0;
}

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

.method-content h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.method-content p {
    margin: 0.25rem 0;
}

.social-connect {
    margin-top: 3rem;
}

.social-connect h4 {
    margin-bottom: 1rem;
}

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

.social-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-gray);
    border-radius: 50%;
    color: var(--text-dark);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

/* === CONTACT FORM === */
.form-container {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.form-container h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.form-intro {
    color: var(--text-light);
    margin-bottom: 2rem;
}

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

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

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

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

.required {
    color: var(--error);
}

.form-control {
    padding: 0.875rem 1rem;
    border: 2px solid var(--light-gray);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: var(--transition);
}

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

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

.form-note {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.faq-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--secondary);
}

.faq-question {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.faq-question i {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-top: 0.2rem;
}

.faq-question h4 {
    color: var(--white);
    margin: 0;
}

.faq-answer {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

.faq-answer a {
    color: var(--secondary);
    text-decoration: underline;
}

/* === CTA BOX === */
.cta-box {
    background: var(--gradient-primary);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.cta-box .cta-content {
    text-align: left;
}

.cta-box h2 {
    color: var(--white);
    margin-bottom: 0.5rem;
}

.cta-box p {
    color: rgba(255, 255, 255, 0.95);
    margin: 0;
}

/* === SOLUTIONS PAGE === */
.solution-detail {
    margin-bottom: 4rem;
}

.solution-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.solution-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-lg);
    flex-shrink: 0;
}

.solution-icon.healthcare {
    background: linear-gradient(135deg, #48BB78 0%, #38A169 100%);
}

.solution-icon.enterprise {
    background: linear-gradient(135deg, #4299E1 0%, #3182CE 100%);
}

.solution-icon.startup {
    background: linear-gradient(135deg, #ED8936 0%, #DD6B20 100%);
}

.solution-icon i {
    font-size: 3rem;
    color: var(--white);
}

.solution-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin: 0;
}

.solution-offerings {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.offering-card {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.offering-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: var(--border-radius-sm);
    margin-bottom: 1rem;
}

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

.offering-card h4 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.offering-features {
    list-style: none;
    margin-top: 1rem;
}

.offering-features li {
    padding: 0.5rem 0;
    color: var(--text-gray);
    font-size: 0.95rem;
}

.offering-features li::before {
    content: "•";
    color: var(--primary);
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

/* === RESPONSIVE === */
@media (max-width: 992px) {
    .section {
        padding: var(--section-padding-mobile) 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid,
    .benefits-grid,
    .tech-categories,
    .values-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .content-split,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .service-detail-header,
    .solution-header {
        flex-direction: column;
        text-align: center;
    }
    
    .differentiator-item {
        flex-direction: column;
        text-align: center;
    }
    
    .diff-number {
        font-size: 2.5rem;
    }
    
    .cta-box {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 72px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        gap: 1rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .mission-vision,
    .service-features-grid,
    .solution-offerings {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .container {
        padding: 0 1.5rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .flash-container {
        left: 1rem;
        right: 1rem;
        max-width: none;
    }
    
    .scroll-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

/* === ADDITIONAL SERVICES === */
.additional-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.additional-service-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.additional-service-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.additional-service-card i {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 1rem;
    display: block;
}

.additional-service-card h3 {
    color: var(--white);
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.additional-service-card p {
    color: rgba(255, 255, 255, 0.9);
}

/* === TEAM HIGHLIGHTS === */
.team-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.highlight-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.highlight-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
    display: block;
}

.highlight-card h4 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

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

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

/* === PRINT STYLES === */
@media print {
    .navbar,
    .footer,
    .scroll-to-top,
    .flash-container,
    .cta-section {
        display: none;
    }
}