/* 
  TechFnatic Labs - Enterprise SaaS Website
  Modern, Professional, WOW-factor Design
*/

/* ============================================
   GLOBAL STYLES & RESET
   ============================================ */

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

:root {
    /* Brand Colors */
    --primary-red: #C41E3A;
    --secondary-orange: #F59E0B;
    --dark-accent: #1A1A1A;
    --light-gray: #F3F4F6;
    --white: #FFFFFF;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #C41E3A 0%, #8B1528 100%);
    --gradient-secondary: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    --gradient-dark: linear-gradient(135deg, #1A1A1A 0%, #374151 100%);
    --gradient-hero: linear-gradient(135deg, rgba(26,26,26,0.95) 0%, rgba(196,30,58,0.85) 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
    --shadow-glow: 0 0 20px rgba(196,30,58,0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Typography */
    --font-primary: 'Courier New', Courier, monospace;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-accent);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.875rem;
}

h4 {
    font-size: 1.5rem;
    color: var(--dark-accent);
}

h5 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

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

.text-orange {
    color: var(--secondary-orange);
}

.text-red {
    color: var(--primary-red);
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
}

.section-dark {
    background: linear-gradient(135deg, #FAFAFA 0%, #F3F4F6 100%);
    color: var(--dark-accent);
    border-top: 3px solid var(--primary-red);
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(239, 68, 68, 0.1);
}

.navbar.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.12);
    background: rgba(255, 255, 255, 1);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(90deg, #C41E3A 0%, #F59E0B 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-primary);
    letter-spacing: -0.5px;
    transition: transform 0.3s ease;
    cursor: pointer;
}

.logo:hover {
    transform: scale(1.05);
}

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

.nav-link {
    position: relative;
    font-weight: 600;
    padding: 0.5rem 0;
    font-size: 1rem;
    letter-spacing: 0.3px;
    text-transform: capitalize;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-red) 0%, var(--accent-orange) 100%);
    border-radius: 2px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.nav-link.active {
    color: var(--primary-red);
    font-weight: 700;
}

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

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-toggle::after {
    content: '▼';
    font-size: 0.7rem;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--primary-red);
    opacity: 0.8;
}

.dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
    opacity: 1;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: -50px;
    min-width: 420px;
    background: var(--white);
    box-shadow: 0 25px 50px rgba(0,0,0,0.12);
    border-radius: 16px;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-top: 3px solid var(--primary-red);
    z-index: 1000;
    border: 1px solid rgba(239, 68, 68, 0.1);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary-red);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--light-gray);
}

.dropdown-item {
    padding: 0.875rem 1rem;
    display: flex;
    align-items: start;
    gap: 0.75rem;
    transition: var(--transition-fast);
    border-radius: 8px;
    margin-bottom: 0.5rem;
}

.dropdown-item:hover {
    background: linear-gradient(135deg, #FFF5F5 0%, #FFF7ED 100%);
    transform: translateX(5px);
}

.dropdown-item-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-secondary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.25rem;
}

.dropdown-item-content {
    flex: 1;
}

.dropdown-item-title {
    font-weight: 600;
    color: var(--dark-accent);
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.dropdown-item-desc {
    font-size: 0.8rem;
    color: #6B7280;
    line-height: 1.4;
}

.dropdown-divider {
    height: 1px;
    background: var(--light-gray);
    margin: 1rem 0;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    cursor: pointer;
    padding: 0.5rem;
}

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

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    border: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1rem;
    text-align: center;
    font-family: var(--font-secondary);
    letter-spacing: 0.3px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
}

/* Navbar specific button styling */
.navbar .btn-primary {
    padding: 0.75rem 1.75rem;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.25);
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
}

.navbar .btn-primary:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.35);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(245,158,11,0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary-red);
    border: 2px solid var(--primary-red);
}

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

.btn-outline-white {
    background: transparent;
    color: var(--dark-accent);
    border: 2px solid var(--dark-accent);
}

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

/* ============================================
   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, #FAFAFA 0%, #F3F4F6 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.8;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(250,250,250,0.4) 0%, rgba(243,244,246,0.3) 70%, rgba(196,30,58,0.1) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--dark-accent);
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    font-weight: 700;
    letter-spacing: -0.03em;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
    font-weight: 400;
    font-family: var(--font-secondary);
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    opacity: 0.85;
    font-family: var(--font-secondary);
    display: none; /* Hidden by default for cleaner look */
}

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

/* Animated Background Particles */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.3;
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    height: 100%;
}

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

.card-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-accent);
}

.card-description {
    color: #6B7280;
    margin-bottom: 1.5rem;
}

.card-list {
    margin-bottom: 1.5rem;
}

.card-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.card-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-orange);
    font-weight: 700;
}

/* Product Cards */
.product-card {
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-secondary);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

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

/* ============================================
   GRID LAYOUTS
   ============================================ */

.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ============================================
   STATS & METRICS
   ============================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-red);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: #6B7280;
}

/* ============================================
   FEATURES SECTION
   ============================================ */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-secondary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-description {
    color: #6B7280;
}

/* ============================================
   IMAGE WITH CONTENT
   ============================================ */

.content-with-image {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 5rem;
}

.content-with-image.reverse {
    direction: rtl;
}

.content-with-image.reverse > * {
    direction: ltr;
}

.content-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.content-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--dark-accent);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

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

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

.footer-link {
    color: #9CA3AF;
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--secondary-orange);
    padding-left: 5px;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    color: #9CA3AF;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

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

.social-icon:hover {
    background: var(--secondary-orange);
    transform: translateY(-3px);
}

/* ============================================
   FORMS
   ============================================ */

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid #E5E7EB;
    border-radius: 6px;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(196,30,58,0.1);
}

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

.checkbox-group {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .content-with-image {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .navbar-container {
        padding: 1rem 1.5rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-xl);
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 1rem;
        margin-top: 0.5rem;
        border-left: 3px solid var(--secondary-orange);
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .dropdown-item {
        flex-direction: column;
        align-items: start;
        padding: 0.75rem;
    }
    
    .dropdown-item-icon {
        margin-bottom: 0.5rem;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mt-4 { margin-top: 4rem; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mb-4 { margin-bottom: 4rem; }

.pt-1 { padding-top: 1rem; }
.pt-2 { padding-top: 2rem; }
.pt-3 { padding-top: 3rem; }

.pb-1 { padding-bottom: 1rem; }
.pb-2 { padding-bottom: 2rem; }
.pb-3 { padding-bottom: 3rem; }

.hidden {
    display: none;
}

.visible {
    display: block;
}