/* ============================================
   SPLA - Advanced Image Enhancement Platform
   Stylesheet
   ============================================ */

/* ============================================
   CSS Reset & Base Styles
   ============================================ */

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

:root {
    /* Color Palette - Sophisticated burgundy and neutrals */
    --color-primary: #8B4E6C;
    --color-primary-dark: #5D3449;
    --color-primary-light: #A66B88;
    --color-secondary: #C8A489;
    --color-accent: #6B4E5D;

    --color-dark: #1A1A1A;
    --color-dark-secondary: #2D2D2D;
    --color-medium: #4A4A4A;
    --color-light: #F5F2EF;
    --color-light-secondary: #EDE8E3;
    --color-white: #FFFFFF;

    --color-text-primary: #1A1A1A;
    --color-text-secondary: #4A4A4A;
    --color-text-tertiary: #6B6B6B;
    --color-text-inverse: #FFFFFF;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --spacing-4xl: 8rem;

    /* Layout */
    --container-width: 1280px;
    --container-padding: 2rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

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

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Typography
   ============================================ */

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

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-extrabold);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: var(--font-weight-semibold);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: var(--font-weight-semibold);
}

p {
    margin-bottom: 1rem;
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

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

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

/* ============================================
   Layout & Container
   ============================================ */

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

.section {
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.section-header {
    margin-bottom: var(--spacing-3xl);
}

.section-header.centered {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 700px;
}

.section-header.centered .section-description {
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    z-index: 1000;
    transition: all var(--transition-base);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-text {
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
    position: relative;
}

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

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

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

.btn-nav {
    padding: 0.625rem 1.25rem;
    background: var(--color-primary);
    color: var(--color-white) !important;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-base);
}

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

.btn-nav:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    text-align: center;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    text-decoration: none;
    line-height: 1;
}

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

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

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

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.0625rem;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    padding-top: calc(80px + var(--spacing-4xl));
    padding-bottom: var(--spacing-4xl);
    background: linear-gradient(180deg, var(--color-light) 0%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(139, 78, 108, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 650px;
    position: relative;
    z-index: 2;
}

.hero-title {
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.highlight {
    background: linear-gradient(120deg, var(--color-primary), var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-lg);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.stat {
    text-align: left;
}

.stat-number {
    font-size: 2rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    font-weight: var(--font-weight-medium);
}

.hero-visual {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 45%;
    max-width: 600px;
    z-index: 1;
}

.image-comparison {
    position: relative;
    width: 100%;
}

.comparison-container {
    display: flex;
    align-items: center;
    gap: 2rem;
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.comparison-side {
    flex: 1;
    text-align: center;
}

.pixel-grid {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
}

.pixel-grid.low-res {
    background: linear-gradient(45deg, #E8DED5 25%, transparent 25%),
                linear-gradient(-45deg, #E8DED5 25%, transparent 25%),
                linear-gradient(45deg, transparent 75%, #E8DED5 75%),
                linear-gradient(-45deg, transparent 75%, #E8DED5 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    background-color: #F5F2EF;
    filter: blur(2px);
}

.pixel-grid.high-res {
    background: linear-gradient(45deg, #D5C8BC 25%, transparent 25%),
                linear-gradient(-45deg, #D5C8BC 25%, transparent 25%),
                linear-gradient(45deg, transparent 75%, #D5C8BC 75%),
                linear-gradient(-45deg, transparent 75%, #D5C8BC 75%);
    background-size: 4px 4px;
    background-position: 0 0, 0 2px, 2px -2px, -2px 0px;
    background-color: #E8DED5;
}

.comparison-label {
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-tertiary);
}

.comparison-divider {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   Intelligence Section
   ============================================ */

.intelligence-section {
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-accent) 100%);
    color: var(--color-white);
}

.intelligence-section .section-title,
.intelligence-section .section-description,
.intelligence-section h3,
.intelligence-section p {
    color: var(--color-white);
}

.intelligence-section .section-description {
    opacity: 0.9;
}

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

.intelligence-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-slow);
}

.intelligence-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.intelligence-icon {
    width: 48px;
    height: 48px;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.intelligence-card h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.375rem;
}

.intelligence-card p {
    font-size: 1rem;
    line-height: 1.7;
    opacity: 0.85;
    margin-bottom: 0;
}

/* ============================================
   Technology Section
   ============================================ */

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

.tech-content {
    display: grid;
    gap: var(--spacing-3xl);
}

.tech-explanation {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.tech-explanation h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.tech-explanation p {
    margin-bottom: var(--spacing-lg);
}

.tech-explanation p:last-child {
    margin-bottom: 0;
}

.tech-features {
    display: grid;
    gap: var(--spacing-lg);
}

.tech-feature {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.tech-feature:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.tech-feature-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.tech-feature-icon {
    color: var(--color-primary);
    flex-shrink: 0;
}

.tech-feature h4 {
    color: var(--color-primary);
    margin: 0;
}

.tech-feature p {
    margin: 0;
}

/* ============================================
   Use Cases Section
   ============================================ */

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

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--spacing-xl);
}

.use-case-card {
    background: var(--color-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-slow);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.use-case-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    background: var(--color-white);
}

.use-case-visual {
    margin-bottom: var(--spacing-lg);
}

.use-case-icon-large {
    width: 64px;
    height: 64px;
    color: var(--color-primary);
}

.use-case-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.use-case-description {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.use-case-applications {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--spacing-lg);
}

.application-tag {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: var(--color-white);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-base);
}

.application-tag:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* ============================================
   Platform Section
   ============================================ */

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

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

.platform-feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.platform-feature-row.reverse {
    direction: rtl;
}

.platform-feature-row.reverse > * {
    direction: ltr;
}

.platform-feature-content h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.875rem;
}

.platform-feature-content p {
    margin-bottom: var(--spacing-md);
    font-size: 1.0625rem;
}

.platform-feature-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.feature-showcase {
    background: var(--color-white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

.showcase-icon {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.showcase-label {
    display: block;
    font-size: 0.9375rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
}

/* ============================================
   Capabilities Section
   ============================================ */

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

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-lg);
}

.capability-card {
    background: var(--color-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    transition: all var(--transition-slow);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.capability-card:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--color-primary);
}

.capability-icon {
    width: 40px;
    height: 40px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.capability-card h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.capability-card p {
    font-size: 0.9375rem;
    margin: 0;
}

/* ============================================
   FAQ Section
   ============================================ */

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

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    text-align: left;
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    transition: color var(--transition-base);
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-icon {
    flex-shrink: 0;
    transition: transform var(--transition-base);
    color: var(--color-primary);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 2000px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-md) var(--spacing-lg);
    margin: 0 0 var(--spacing-md) 0;
}

.faq-answer p:last-child {
    padding-bottom: var(--spacing-lg);
    margin-bottom: 0;
}

/* ============================================
   Contact Section
   ============================================ */

.contact-section {
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-light) 100%);
    padding: var(--spacing-4xl) 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-info h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.contact-intro {
    font-size: 1.0625rem;
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

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

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

.contact-detail h4 {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 0.25rem;
    color: var(--color-text-primary);
}

.contact-detail p,
.contact-detail a {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.6;
}

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

.contact-business-info {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.contact-business-info p {
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
}

.contact-form-container {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: grid;
    gap: var(--spacing-lg);
}

.form-group {
    display: grid;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9375rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    font-size: 1rem;
    font-family: var(--font-primary);
    color: var(--color-text-primary);
    background: var(--color-light);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(139, 78, 108, 0.1);
}

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

.checkbox-group {
    display: block;
}

.checkbox-label {
    display: flex;
    align-items: start;
    gap: 0.75rem;
    cursor: pointer;
    font-weight: var(--font-weight-normal);
}

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

.form-note {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    text-align: center;
    margin: 0;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    max-width: 500px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.footer-section h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

.footer-section a:hover {
    color: var(--color-white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    margin: 0;
}

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

.footer-legal a {
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-base);
}

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

.separator {
    color: rgba(255, 255, 255, 0.3);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1200px) {
    .hero-visual {
        width: 50%;
    }

    .comparison-container {
        padding: 1.5rem;
        gap: 1.5rem;
    }
}

@media (max-width: 992px) {
    :root {
        --container-padding: 1.5rem;
        --spacing-4xl: 5rem;
        --spacing-3xl: 4rem;
    }

    .hero {
        padding-top: calc(80px + var(--spacing-3xl));
    }

    .hero-visual {
        position: relative;
        width: 100%;
        max-width: 100%;
        transform: none;
        margin-top: var(--spacing-3xl);
    }

    .platform-feature-row,
    .platform-feature-row.reverse {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        direction: ltr;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

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

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

    .hero-buttons {
        flex-direction: column;
    }

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

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

    .comparison-container {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .comparison-divider svg {
        transform: rotate(90deg);
    }

    .intelligence-grid,
    .use-cases-grid,
    .capabilities-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
        --spacing-4xl: 3rem;
        --spacing-3xl: 2.5rem;
        --spacing-2xl: 2rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.375rem;
    }

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

    .stat-number {
        font-size: 1.75rem;
    }
}

/* ============================================
   Animations & Transitions
   ============================================ */

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

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Smooth scrolling */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Focus visible for accessibility */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Selection color */
::selection {
    background: var(--color-primary);
    color: var(--color-white);
}

::-moz-selection {
    background: var(--color-primary);
    color: var(--color-white);
}