/* ==========================================================================
   LoTechCon CSS Stylesheet - Premium Design System
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
    --bg-primary: #0b0f19;
    --bg-secondary: #0f172a;
    --bg-card: #111827;
    --bg-card-hover: #1e293b;
    --border-color: #1f2937;
    --border-hover: #334155;
    
    --color-accent: #0ea5e9;
    --color-accent-teal: #14b8a6;
    --color-gradient-start: #0ea5e9;
    --color-gradient-end: #06b6d4;
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --success: #22c55e;
    --error: #ef4444;
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    
    --container-width: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
}

body {
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
}

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

strong {
    color: var(--text-primary);
}

/* --- Layout Containers --- */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
    position: relative;
}

/* --- Scroll Progress Bar --- */
.scroll-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-teal) 100%);
    z-index: 9999;
    transition: width 0.1s ease-out;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    display: flex;
    align-items: center;
    z-index: 1000;
    border-bottom: 1px solid transparent;
    transition: var(--transition-normal);
}

.main-header.scrolled {
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    height: 70px;
    border-bottom: 1px solid var(--border-color);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

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

.main-nav {
    display: flex;
}

.nav-list {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 0;
    position: relative;
}

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

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

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

/* Call to Action Nav Link */
.nav-cta {
    background: rgba(14, 165, 233, 0.1);
    color: var(--color-accent) !important;
    border: 1.5px solid rgba(14, 165, 233, 0.3);
    padding: 8px 20px;
    border-radius: 6px;
    font-weight: 600;
    transition: var(--transition-fast);
}

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

.nav-cta:hover {
    background: var(--color-accent);
    color: #fff !important;
    border-color: var(--color-accent);
    transform: translateY(-1px);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    padding: 4px;
}

.menu-toggle .bar {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

/* ==========================================================================
   Hero Section & Interactive CAD
   ========================================================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--bg-primary);
    overflow: hidden;
    padding-top: calc(var(--header-height) + 40px);
}

/* Background technical grid pattern */
.tech-grid-bg {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(31, 41, 55, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(31, 41, 55, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 1;
    pointer-events: none;
}

.tech-grid-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, transparent 30%, var(--bg-primary) 90%);
}

/* Animated ambient glows */
.glow-orb {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    z-index: 2;
    pointer-events: none;
    animation: orbFloat 15s infinite alternate ease-in-out;
}

#glow-orb-1 {
    background-color: var(--color-accent);
    top: 10%;
    right: 15%;
}

#glow-orb-2 {
    background-color: var(--color-accent-teal);
    bottom: 10%;
    left: 10%;
    animation-delay: -5s;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 10;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.badge {
    background: rgba(14, 165, 233, 0.15);
    border: 1px solid rgba(14, 165, 233, 0.3);
    color: var(--color-accent);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-teal) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-teal) 100%);
    color: #fff;
    border: none;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(14, 165, 233, 0.35);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    background: rgba(14, 165, 233, 0.05);
    transform: translateY(-2px);
}

/* Hero scroll indicator mouse */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    justify-content: center;
}

.mouse-icon {
    width: 26px;
    height: 44px;
    border: 2px solid var(--text-muted);
    border-radius: 15px;
    display: block;
    position: relative;
}

.mouse-icon .wheel {
    width: 4px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 2px;
    display: block;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: mouseScroll 1.8s infinite ease-out;
}

/* --- Interactive CAD Blueprint Simulation --- */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 450px;
    position: relative;
}

.cad-viewport {
    width: 320px;
    height: 320px;
    border: 1px solid var(--border-color);
    background-color: rgba(11, 15, 25, 0.6);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
}

.cad-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(14, 165, 233, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
    background-position: center;
}

/* 3D Spinning CAD Cube */
.cad-cube-container {
    perspective: 800px;
    width: 140px;
    height: 140px;
    z-index: 5;
}

.cad-cube {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: cubeRotate 12s infinite linear;
}

.face {
    position: absolute;
    width: 140px;
    height: 140px;
    border: 1.5px solid var(--color-accent);
    background: rgba(14, 165, 233, 0.05);
}

.face::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(135deg, transparent 49.5%, var(--color-accent-teal) 49.5%, var(--color-accent-teal) 50.5%, transparent 50.5%);
    opacity: 0.3;
}

.front  { transform: rotateY(0deg) translateZ(70px); }
.back   { transform: rotateY(180deg) translateZ(70px); }
.right  { transform: rotateY(90deg) translateZ(70px); }
.left   { transform: rotateY(-90deg) translateZ(70px); }
.top    { transform: rotateX(90deg) translateZ(70px); }
.bottom { transform: rotateX(-90deg) translateZ(70px); }

/* CAD Dimensions HUD */
.cad-dimension {
    position: absolute;
    background: var(--text-muted);
}

.cad-dimension::before, .cad-dimension::after {
    content: '';
    position: absolute;
    background: var(--text-muted);
}

.x-axis {
    width: 120px;
    height: 1px;
    bottom: 40px;
    left: 40px;
}
.x-axis::before { width: 1px; height: 8px; left: 0; top: -4px; }
.x-axis::after { width: 1px; height: 8px; right: 0; top: -4px; }

.y-axis {
    width: 1px;
    height: 120px;
    left: 40px;
    bottom: 40px;
}
.y-axis::before { width: 8px; height: 1px; left: -4px; top: 0; }
.y-axis::after { width: 8px; height: 1px; left: -4px; bottom: 0; }

.z-axis {
    width: 90px;
    height: 1px;
    left: 40px;
    bottom: 40px;
    transform: rotate(-45deg);
    transform-origin: left bottom;
}

/* CAD Corner nodes */
.cad-node {
    position: absolute;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent-teal);
    border-radius: 50%;
    z-index: 6;
}
.node-1 { top: 20px; left: 20px; }
.node-2 { top: 20px; right: 20px; }
.node-3 { bottom: 20px; left: 20px; }
.node-4 { bottom: 20px; right: 20px; }

/* ==========================================================================
   Industries Section
   ========================================================================== */
.industries-section {
    background-color: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    color: var(--color-accent-teal);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

/* Industry Card Styling */
.industry-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px 30px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

.industry-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

/* Glowing hover effect */
.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(14, 165, 233, 0.08) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-fast);
    pointer-events: none;
    z-index: 1;
}

.industry-card:hover .card-glow {
    opacity: 1;
}

.industry-icon-container {
    width: 60px;
    height: 60px;
    background: rgba(14, 165, 233, 0.08);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--color-accent);
    position: relative;
    z-index: 5;
}

.industry-icon {
    width: 32px;
    height: 32px;
}

.industry-title {
    font-size: 1.4rem;
    margin-bottom: 16px;
    position: relative;
    z-index: 5;
}

.industry-description {
    font-size: 0.95rem;
    margin-bottom: 24px;
    position: relative;
    z-index: 5;
}

.industry-list {
    list-style: none;
    padding: 0;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    position: relative;
    z-index: 5;
}

.industry-list li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.industry-list li::before {
    content: '';
    width: 5px;
    height: 5px;
    background-color: var(--color-accent-teal);
    border-radius: 50%;
}

/* ==========================================================================
   Services Section (Alternating Feature Rows)
   ========================================================================== */
.services-section {
    background-color: var(--bg-primary);
}

.services-container {
    display: flex;
    flex-direction: column;
    gap: 100px;
    margin-top: 60px;
}

.service-row {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 80px;
}

.service-row.reverse {
    grid-template-columns: 0.9fr 1.1fr;
}

.service-row.reverse .service-content {
    grid-column: 2;
}

.service-row.reverse .service-graphic {
    grid-column: 1;
    grid-row: 1;
}

.service-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(14, 165, 233, 0.15);
    margin-bottom: -10px;
    line-height: 1;
}

.service-title {
    font-size: 2rem;
    margin-bottom: 20px;
}

.service-text {
    font-size: 1.05rem;
    margin-bottom: 30px;
}

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

.service-features li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    position: relative;
    padding-left: 18px;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

.service-graphic {
    display: flex;
    justify-content: center;
}

.graphic-canvas {
    width: 100%;
    max-width: 440px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
    transition: var(--transition-normal);
}

.graphic-canvas:hover {
    border-color: var(--border-hover);
    transform: scale(1.02);
}

.canvas-svg {
    width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   About Section & Company Stats
   ========================================================================== */
.about-section {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-heading {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.about-description {
    font-size: 1.05rem;
    margin-bottom: 24px;
}

/* Stats grid design */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1.1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

/* Core Standards Feature items */
.about-features {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 50px 40px;
    border-radius: 16px;
}

.features-heading {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.feature-checklist {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.checklist-item {
    display: flex;
    gap: 20px;
}

.checklist-icon {
    width: 36px;
    height: 36px;
    background: rgba(20, 184, 166, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-teal);
    flex-shrink: 0;
}

.checklist-title {
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.checklist-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   Contact Section & Custom Form
   ========================================================================== */
.contact-section {
    background-color: var(--bg-primary);
}

.contact-container {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 80px;
    align-items: flex-start;
}

.contact-heading {
    font-size: 2.5rem;
    margin-bottom: 24px;
    margin-top: 10px;
}

.contact-intro {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.contact-instruction {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* Official domain branding badge */
.domain-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(31, 41, 55, 0.5);
    border: 1px solid var(--border-color);
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 0.95rem;
}

.domain-icon {
    color: var(--color-accent);
}

/* Contact Form Styling */
.contact-form-block {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 44px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

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

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

/* Inputs & Textareas */
.form-group input,
.form-group select,
.form-group textarea {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    width: 100%;
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg fill='%239ca3af' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

/* Error validation states */
.form-group.invalid input,
.form-group.invalid select,
.form-group.invalid textarea {
    border-color: var(--error);
}

.form-group.invalid input:focus,
.form-group.invalid select:focus,
.form-group.invalid textarea:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.error-msg {
    color: var(--error);
    font-size: 0.75rem;
    display: none;
    margin-top: 4px;
}

.form-group.invalid .error-msg {
    display: block;
}

/* Submit button with spinner */
.submit-btn {
    width: 100%;
    margin-top: 10px;
    position: relative;
    min-height: 52px;
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.8s infinite linear;
    display: none;
}

.submit-btn.loading .btn-text {
    visibility: hidden;
}

.submit-btn.loading .spinner {
    display: block;
    position: absolute;
}

/* Status Notifications */
.form-feedback {
    display: none;
    gap: 16px;
    padding: 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    line-height: 1.4;
}

.form-feedback.success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.form-feedback.success .feedback-icon {
    color: var(--success);
    flex-shrink: 0;
}

.form-feedback.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.form-feedback.error .feedback-icon {
    color: var(--error);
    flex-shrink: 0;
}

.form-feedback.visible {
    display: flex;
}

/* ==========================================================================
   Footer Section
   ========================================================================== */
.main-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 0 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 60px;
}

.footer-brand .logo {
    display: inline-block;
    margin-bottom: 20px;
}

.footer-tagline {
    font-size: 0.9rem;
    max-width: 320px;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.main-footer ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.main-footer ul a {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.main-footer ul a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-compliance ul li {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    font-size: 0.8rem;
    color: var(--text-muted);
}

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

/* ==========================================================================
   Keyframes & Animations
   ========================================================================== */
@keyframes orbFloat {
    0% { transform: translateY(0px) scale(1); }
    100% { transform: translateY(40px) scale(1.1); }
}

@keyframes mouseScroll {
    0% { opacity: 1; top: 8px; }
    50% { opacity: 0.3; top: 18px; }
    100% { opacity: 0; top: 18px; }
}

@keyframes cubeRotate {
    0% { transform: rotateX(0deg) rotateY(0deg); }
    100% { transform: rotateX(360deg) rotateY(360deg); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   Responsive Media Queries (RWD)
   ========================================================================== */

/* Up to 1024px (Laptops / Tablets in landscape) */
@media screen and (max-width: 1024px) {
    :root {
        --container-width: 960px;
    }
    .hero-title { font-size: 3rem; }
    .hero-container { gap: 40px; }
    .services-container { gap: 80px; }
    .service-row { gap: 40px; }
}

/* Up to 991px (Tablets in portrait) */
@media (max-width: 991px) {
    section { padding: 80px 0; }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 50px;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-visual {
        height: 360px;
    }
    
    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

/* Up to 768px (Mobile & Small Tablets) */
@media (max-width: 768px) {
    /* Responsive Navigation Menu */
    .menu-toggle {
        display: flex;
        z-index: 1001;
    }
    
    /* Toggle active state hamburger */
    .menu-toggle.open .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .menu-toggle.open .bar:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.open .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--bg-secondary);
        border-left: 1px solid var(--border-color);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
        padding: 100px 40px 40px 40px;
        transition: var(--transition-normal);
    }
    
    .main-nav.open {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }
    
    .nav-link {
        font-size: 1.1rem;
        width: 100%;
        display: block;
    }
    
    .nav-cta {
        text-align: center;
        margin-top: 10px;
    }
    
    /* Services row layout */
    .service-row, 
    .service-row.reverse {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .service-row.reverse .service-content {
        grid-column: 1;
    }
    
    .service-row.reverse .service-graphic {
        grid-column: 1;
        grid-row: 2;
    }
    
    .graphic-canvas {
        max-width: 100%;
    }
    
    /* Contact Form block spacing */
    .contact-form-block {
        padding: 30px 24px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    /* Footer layout */
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom-container {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* Up to 480px (Small Mobile) */
@media (max-width: 480px) {
    :root {
        --header-height: 70px;
    }
    
    section { padding: 60px 0; }
    
    .hero-title {
        font-size: 2.2rem;
        letter-spacing: -1px;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .service-title {
        font-size: 1.6rem;
    }
    
    .about-heading, .contact-heading {
        font-size: 1.8rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        text-align: center;
    }
    
    .about-features {
        padding: 30px 20px;
    }
}

/* ==========================================================================
   Social Media Links
   ========================================================================== */
.social-links {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.social-link:hover {
    color: var(--color-accent);
    background-color: var(--bg-card-hover);
    border-color: var(--color-accent);
    transform: translateY(-3px);
}

.social-icon {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* ==========================================================================
   Legal & Policies Subpages
   ========================================================================== */
.legal-hero {
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 40px;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.4) 0%, rgba(11, 15, 25, 0) 100%);
    border-bottom: 1px solid var(--border-color);
}

.legal-title {
    font-size: 2.2rem;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.legal-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.legal-content-section {
    padding: 60px 0 100px 0;
}

.legal-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 45px;
    max-width: 860px;
    margin: 0 auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.legal-body {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1rem;
}

.legal-body h2 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-top: 35px;
    margin-bottom: 14px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 6px;
}

.legal-body h2:first-of-type {
    margin-top: 0;
}

.legal-body h3 {
    font-size: 1.15rem;
    color: var(--text-primary);
    margin-top: 22px;
    margin-bottom: 10px;
}

.legal-body p {
    margin-bottom: 16px;
}

.legal-body ul, .legal-body ol {
    margin-bottom: 20px;
    padding-left: 20px;
}

.legal-body li {
    margin-bottom: 6px;
}

.legal-body strong {
    color: var(--text-primary);
}

.legal-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-accent);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 24px;
    transition: var(--transition-fast);
}

.legal-back-btn:hover {
    color: var(--color-accent-teal);
    transform: translateX(-4px);
}

@media (max-width: 991px) {
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}