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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --border: #e5e7eb;
    --success: #10b981;
    --error: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 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);
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--bg-primary);
    font-size: 16px;
}

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

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

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary);
    transition: transform 0.3s ease;
}

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

.logo svg {
    flex-shrink: 0;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.btn-nav {
    background: var(--gradient-primary);
    color: white !important;
    padding: 0.5rem 1.5rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

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

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

.dropdown {
    position: relative;
}

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

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-xl);
    padding: 0.5rem 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    list-style: none;
    margin-top: 1rem;
}

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

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    background: var(--bg-secondary);
    color: var(--primary);
    padding-left: 2rem;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    opacity: 0.95;
}

.animated-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 15%;
    animation-delay: 5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

.hero-content {
    text-align: center;
    color: white;
    max-width: 900px;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.8;
}

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

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

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

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

/* ============================================
   Section Styles
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--bg-secondary);
    color: var(--primary);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ============================================
   Services Overview
   ============================================ */
.services-overview {
    padding: 6rem 0;
    background: var(--bg-primary);
}

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

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

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

.service-icon {
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.service-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.service-link:hover {
    gap: 0.5rem;
    transform: translateX(4px);
}

/* ============================================
   Why Choose Section
   ============================================ */
.why-choose {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.feature-item {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.feature-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    margin-bottom: 1.5rem;
}

.feature-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   Industries Preview
   ============================================ */
.industries-preview {
    padding: 6rem 0;
    background: var(--bg-primary);
}

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

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

.industry-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.industry-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.industry-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.industry-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    padding: 6rem 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.cta-section .btn-primary {
    background: white;
    color: var(--primary);
}

.cta-section .btn-primary:hover {
    background: var(--bg-secondary);
}

/* ============================================
   Page Header
   ============================================ */
.page-header {
    padding: 8rem 0 4rem;
    background: var(--gradient-primary);
    color: white;
    margin-top: 73px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 0.8;
}

.page-header h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
}

/* ============================================
   Privacy Policy Content
   ============================================ */
.privacy-content {
    padding: 4rem 0;
    background: var(--bg-primary);
}

.privacy-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.privacy-intro {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border);
}

.privacy-intro .large-text {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.privacy-section {
    margin-bottom: 3rem;
}

.privacy-section h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-top: 1rem;
}

.privacy-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.privacy-section p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.privacy-section ul {
    margin: 1rem 0;
    padding-left: 2rem;
    list-style-type: disc;
}

.privacy-section li {
    margin-bottom: 0.75rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.privacy-section a {
    color: var(--primary);
    text-decoration: underline;
    transition: color 0.3s ease;
}

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

.privacy-contact {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-top: 1.5rem;
}

.privacy-contact p {
    margin-bottom: 0.5rem;
}

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

/* ============================================
   Services Detail
   ============================================ */
.services-intro {
    padding: 4rem 0;
    background: var(--bg-primary);
}

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

.large-text {
    font-size: 1.25rem;
    line-height: 1.9;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.service-detail {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.service-detail-alt {
    background: var(--bg-secondary);
}

.service-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.service-tag {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--bg-secondary);
    color: var(--primary);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-detail-text h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.service-detail-text > p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.service-feature {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.service-feature svg {
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.service-feature h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.service-feature p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Annotation Demos */
.annotation-demo,
.video-demo,
.text-annotation-demo,
.audio-demo {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.demo-image {
    position: relative;
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, #e0e7ff 0%, #ddd6fe 100%);
    border-radius: 0.5rem;
    overflow: hidden;
}

.bounding-box {
    position: absolute;
    border: 3px solid var(--primary);
    border-radius: 0.25rem;
}

.box-label {
    position: absolute;
    top: -1.5rem;
    left: 0;
    background: var(--primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.polygon-annotation {
    position: absolute;
    top: 50%;
    left: 70%;
    width: 60px;
    height: 60px;
    border: 3px solid var(--secondary);
    clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
}

.video-frame {
    position: relative;
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    border-radius: 0.5rem;
    overflow: hidden;
}

.video-timeline {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    gap: 0.5rem;
    padding: 0 1rem;
    align-items: center;
}

.timeline-marker {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
}

.video-objects {
    position: relative;
    width: 100%;
    height: 100%;
}

.video-bbox {
    position: absolute;
    border: 2px solid var(--primary);
    background: rgba(99, 102, 241, 0.2);
    padding: 0.5rem;
    border-radius: 0.25rem;
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
}

.text-sample {
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 0.5rem;
    line-height: 2;
}

.entity {
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-weight: 600;
}

.entity.person {
    background: #dbeafe;
    color: #1e40af;
}

.entity.org {
    background: #fef3c7;
    color: #92400e;
}

.entity.location {
    background: #d1fae5;
    color: #065f46;
}

.sentiment.positive {
    background: #dcfce7;
    color: #166534;
}

.audio-waveform {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
    height: 150px;
    padding: 1rem;
}

.wave-bar {
    flex: 1;
    background: var(--gradient-primary);
    border-radius: 0.25rem;
    min-width: 8px;
    animation: wave 1.5s ease-in-out infinite;
}

.wave-bar:nth-child(2n) {
    animation-delay: 0.2s;
}

.wave-bar:nth-child(3n) {
    animation-delay: 0.4s;
}

@keyframes wave {
    0%, 100% {
        transform: scaleY(0.5);
    }
    50% {
        transform: scaleY(1);
    }
}

.audio-labels {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.audio-label {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}

/* ============================================
   About Page
   ============================================ */
.about-mission {
    padding: 4rem 0;
    background: var(--bg-primary);
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.mission-text h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.mission-visual {
    display: flex;
    justify-content: center;
}

.mission-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.mission-stat {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 1rem;
    box-shadow: var(--shadow);
}

.mission-stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.mission-stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.values-section {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

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

.value-card {
    background: white;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    margin-bottom: 1.5rem;
}

.value-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.value-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.approach-section {
    padding: 6rem 0;
    background: var(--bg-primary);
}

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

.approach-step {
    position: relative;
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.approach-step h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.approach-step p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   Industries Detail
   ============================================ */
.industries-detail {
    padding: 4rem 0;
    background: var(--bg-primary);
}

.industries-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.industry-detail-card {
    background: white;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

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

.industry-detail-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.industry-detail-card h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.industry-detail-card > p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.industry-features {
    list-style: none;
    padding: 0;
}

.industry-features li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.industry-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.use-cases-section {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

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

.use-case-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.use-case-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.use-case-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   Contact Page
   ============================================ */
.contact-section {
    padding: 4rem 0 6rem;
    background: var(--bg-primary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.contact-details {
    margin-bottom: 3rem;
}

.contact-detail-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--bg-secondary);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.contact-detail-item h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-detail-item a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.contact-detail-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.social-contact h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-form-wrapper {
    background: white;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
}

.contact-form h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--bg-primary);
}

.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(99, 102, 241, 0.1);
}

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

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 0.5rem;
    display: none;
}

.form-message.success {
    background: #d1fae5;
    color: #065f46;
    display: block;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    display: block;
}

.checkbox-group {
    margin-top: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-weight: 400;
    cursor: pointer;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.checkbox-label a {
    color: var(--primary);
    text-decoration: underline;
    transition: color 0.3s ease;
}

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

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--text-primary);
    color: 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-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-top: 1rem;
}

.footer-col h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

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

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

.footer-col a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 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: 0.5rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 968px) {
    .service-detail-content,
    .mission-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .service-detail-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 73px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

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

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        margin-top: 0.5rem;
        padding-left: 1rem;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .container {
        padding: 0 1.5rem;
    }

    .mission-stats {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
    }

    .services-grid,
    .features-grid,
    .industries-grid {
        grid-template-columns: 1fr;
    }
}