/* ===============================================
   SAFEBOX - Intelligent Interview Coordination
   Comprehensive Stylesheet
   =============================================== */

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

:root {
    /* Color Palette */
    --primary-indigo: #4F46E5;
    --primary-indigo-dark: #4338CA;
    --primary-indigo-light: #6366F1;
    --primary-purple: #7C3AED;
    --primary-purple-dark: #6D28D9;

    --secondary-green: #10B981;
    --secondary-green-dark: #059669;
    --secondary-green-light: #34D399;

    --accent-amber: #F59E0B;
    --accent-amber-dark: #D97706;
    --accent-blue: #3B82F6;
    --accent-red: #EF4444;

    /* Neutral Colors */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    /* Background Tints */
    --indigo-50: #EEF2FF;
    --indigo-100: #E0E7FF;
    --purple-50: #F5F3FF;
    --green-50: #F0FDF4;
    --amber-50: #FEF3C7;
    --blue-50: #EFF6FF;
    --red-50: #FEE2E2;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 400ms ease-in-out;
}

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

body {
    font-family: var(--font-sans);
    color: var(--gray-900);
    background: linear-gradient(135deg, #F9FAFB 0%, #FEF3F9 25%, #F0F9FF 50%, #F0FDF4 75%, #FEF3C7 100%);
    background-attachment: fixed;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* ============== 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(--gray-200);
    z-index: 1000;
    transition: all var(--transition-base);
}

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

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    color: var(--gray-900);
}

.logo-icon {
    width: 40px;
    height: 40px;
    transition: transform var(--transition-base);
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, var(--primary-indigo) 0%, var(--primary-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--transition-base);
    position: relative;
}

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

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

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-indigo) 0%, var(--primary-purple) 100%);
    color: white;
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    border: none;
    cursor: pointer;
    display: inline-block;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: all var(--transition-base);
}

/* ============== Hero Section ============== */
.hero {
    padding: 8rem var(--spacing-xl) var(--spacing-4xl);
    margin-top: 60px;
}

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

.logo-showcase {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.hero-logo {
    width: 120px;
    height: 120px;
    filter: drop-shadow(0 10px 25px rgba(79, 70, 229, 0.3));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-indigo) 0%, var(--primary-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--gray-700);
    max-width: 900px;
    margin: 0 auto var(--spacing-3xl);
}

.platform-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.platform-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

.platform-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.platform-header h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.platform-mockup {
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--gray-50);
}

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

.platform-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.badge {
    background: var(--indigo-50);
    color: var(--primary-indigo);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-lg);
    font-size: 0.8125rem;
    font-weight: 600;
}

/* ============== Section Titles ============== */
.section-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-900);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
    line-height: 1.8;
}

/* ============== Features Section ============== */
.features {
    padding: var(--spacing-4xl) 0;
    background: white;
}

.features-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4xl);
}

.feature-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.feature-icon {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(var(--shadow-md));
}

.feature-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.feature-description {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xl);
}

.feature-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.feature-mockup {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--gray-200);
}

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

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature-list li {
    padding-left: 1.75rem;
    position: relative;
    color: var(--gray-700);
    line-height: 1.6;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-green);
    font-weight: 700;
    font-size: 1.125rem;
}

/* ============== How It Works Section ============== */
.how-it-works {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--indigo-50) 0%, var(--purple-50) 100%);
}

.workflow-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.workflow-step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-indigo) 0%, var(--primary-purple) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: var(--shadow-lg);
}

.step-content {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.step-description {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
}

.step-visual {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--gray-200);
}

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

.step-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.step-features li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray-700);
    font-size: 0.9375rem;
}

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

/* ============== Use Cases Section ============== */
.use-cases {
    padding: var(--spacing-4xl) 0;
    background: white;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.use-case-card {
    background: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 2px solid var(--gray-200);
    transition: all var(--transition-base);
}

.use-case-card:hover {
    border-color: var(--primary-indigo);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.use-case-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-lg);
}

.use-case-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(var(--shadow-sm));
}

.use-case-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.use-case-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
}

.use-case-benefits {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.use-case-benefits li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.use-case-benefits li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-indigo);
    font-size: 1.25rem;
    font-weight: 700;
}

.use-case-benefits strong {
    color: var(--gray-900);
}

/* ============== Integrations Section ============== */
.integrations {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--blue-50) 0%, var(--green-50) 100%);
}

.integrations-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4xl);
}

.integration-category {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

.category-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-200);
}

.integration-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.integration-item {
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.integration-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.integration-logo {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
}

.integration-logo svg {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.integration-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.integration-description {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.integration-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.integration-features li {
    padding-left: 1.25rem;
    position: relative;
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.5;
}

.integration-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-green);
    font-weight: 700;
    font-size: 0.875rem;
}

.api-callout {
    background: linear-gradient(135deg, var(--indigo-50) 0%, var(--purple-50) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
    border: 2px solid var(--primary-indigo);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.api-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.api-description {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
}

.api-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.api-features li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray-700);
    font-size: 0.9375rem;
    line-height: 1.6;
}

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

.api-code-sample {
    background: var(--gray-900);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    overflow-x: auto;
}

.api-code-sample pre {
    margin: 0;
}

.api-code-sample code {
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: #A5B4FC;
}

/* ============== Analytics Section ============== */
.analytics-section {
    padding: var(--spacing-4xl) 0;
    background: white;
}

.analytics-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.analytics-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.analytics-feature {
    background: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.analytics-feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
}

.analytics-feature-icon svg {
    width: 100%;
    height: 100%;
}

.analytics-feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.analytics-feature-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--gray-600);
}

.dashboard-preview {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.dashboard-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

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

.reporting-options {
    margin-top: var(--spacing-3xl);
}

.reporting-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.reporting-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.report-type {
    background: var(--indigo-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.report-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-indigo);
    margin-bottom: var(--spacing-sm);
}

.report-description {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--gray-700);
}

/* ============== Security Section ============== */
.security-section {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--indigo-50) 100%);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.security-feature {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

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

.security-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
}

.security-icon svg {
    width: 100%;
    height: 100%;
}

.security-feature-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.security-feature-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--gray-600);
}

.compliance-badges {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.compliance-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.badges-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-xl);
}

.compliance-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.compliance-badge svg {
    width: 100px;
    height: 100px;
    filter: drop-shadow(var(--shadow-md));
}

.compliance-badge p {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-700);
    text-align: center;
}

/* ============== Contact Section ============== */
.contact-section {
    padding: var(--spacing-4xl) 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

.contact-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
}

.contact-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2xl);
}

.contact-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: start;
}

.benefit-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.benefit-text h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.benefit-text p {
    font-size: 0.9375rem;
    color: var(--gray-600);
}

.contact-details {
    background: var(--indigo-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-detail-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: start;
}

.contact-detail-item svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.contact-detail-item h5 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.125rem;
}

.contact-detail-item p {
    font-size: 0.9375rem;
    color: var(--gray-700);
    line-height: 1.5;
}

.contact-form-container {
    background: var(--gray-50);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-sans);
    transition: all var(--transition-base);
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-indigo);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.checkbox-group {
    flex-direction: row;
    align-items: start;
}

.checkbox-label {
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-weight: 400;
    color: var(--gray-700);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    cursor: pointer;
}

.submit-button {
    background: linear-gradient(135deg, var(--primary-indigo) 0%, var(--primary-purple) 100%);
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-size: 1.0625rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

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

.submit-button svg {
    width: 20px;
    height: 20px;
}

.form-privacy {
    font-size: 0.8125rem;
    color: var(--gray-500);
    text-align: center;
    margin-top: -0.5rem;
}

.form-success {
    text-align: center;
    padding: var(--spacing-2xl);
}

.form-success svg {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
}

.form-success h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.form-success p {
    font-size: 1.0625rem;
    color: var(--gray-700);
    line-height: 1.7;
}

/* ============== Footer ============== */
.footer {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--gray-700);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-logo {
    width: 80px;
    height: 80px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    letter-spacing: -0.025em;
}

.footer-tagline {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--gray-400);
    max-width: 400px;
}

.footer-company h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-company p {
    font-size: 0.9375rem;
    color: var(--gray-400);
    line-height: 1.6;
    margin-bottom: 0.25rem;
}

.footer-phone,
.footer-website {
    font-weight: 600;
    color: var(--gray-300);
    margin-top: var(--spacing-sm);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--gray-400);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.footer-legal a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-base);
}

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

.footer-legal span {
    color: var(--gray-600);
}

/* ============== Responsive Design ============== */
@media (max-width: 1024px) {
    .feature-details {
        grid-template-columns: 1fr;
    }

    .api-callout {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .nav-cta {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .platform-showcase {
        grid-template-columns: 1fr;
    }

    .workflow-step {
        grid-template-columns: 1fr;
    }

    .step-number {
        margin: 0 auto;
    }

    .feature-card {
        grid-template-columns: 1fr;
    }

    .feature-icon {
        margin: 0 auto;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero {
        padding: 6rem var(--spacing-md) var(--spacing-2xl);
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .use-cases-grid,
    .analytics-features,
    .security-grid,
    .reporting-grid,
    .integration-items {
        grid-template-columns: 1fr;
    }
}

/* ============== Accessibility ============== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-indigo);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar,
    .footer,
    .contact-section {
        display: none;
    }

    body {
        background: white;
    }
}