/* ================================================
   DATONIQUE - Healthcare AI Platform Styles
   Design System Based on design-spec.md
   ================================================ */

/* ================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ================================================ */
:root {
    /* Primary Colors */
    --color-primary-orange: #FF5630;
    --color-primary-orange-dark: #E63D1A;
    --color-primary-orange-light: #FFB8A5;

    /* Neutral Colors */
    --color-neutral-white: #FFFFFF;
    --color-neutral-black: #1A1A1A;
    --color-neutral-dark-gray: #2D2D2D;
    --color-neutral-medium-gray: #666666;
    --color-neutral-light-gray: #F5F5F5;
    --color-neutral-border-gray: #E0E0E0;

    /* Accent Colors */
    --color-accent-sky-blue: #87CEEB;
    --color-accent-field-green: #7CB342;
    --color-accent-field-lime: #AFD54E;
    --color-accent-mountain-blue: #4A90E2;
    --color-accent-mountain-purple: #8B7AA8;
    --color-accent-sunset-red: #FF6B35;

    /* Gradients */
    --gradient-landscape: linear-gradient(180deg, #87CEEB 0%, #7CB342 40%, #AFD54E 70%, #F5F5F5 100%);
    --gradient-accent-bar: linear-gradient(90deg, #FF5630 0%, #FFB8A5 100%);
    --gradient-dark-footer: linear-gradient(180deg, #2D2D2D 0%, #1A1A1A 100%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica Neue", sans-serif;
    --font-code: "Monaco", "Menlo", "Consolas", monospace;

    /* Font Sizes */
    --size-h1: 48px;
    --size-h2: 36px;
    --size-h3: 28px;
    --size-h4: 24px;
    --size-h5: 20px;
    --size-h6: 16px;
    --size-body-lg: 18px;
    --size-body-md: 16px;
    --size-body-sm: 14px;
    --size-body-xs: 12px;

    /* Line Heights */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.8;

    /* Font Weights */
    --weight-regular: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;

    /* Spacing */
    --spacing-base: 8px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 40px;
    --spacing-3xl: 48px;
    --spacing-4xl: 56px;
    --spacing-5xl: 64px;
    --spacing-6xl: 80px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.16);
    --shadow-2xl: 0 16px 32px rgba(0, 0, 0, 0.20);
    --shadow-orange-sm: 0 2px 4px rgba(255, 86, 48, 0.16);
    --shadow-orange-md: 0 4px 8px rgba(255, 86, 48, 0.24);
    --shadow-orange-lg: 0 8px 16px rgba(255, 86, 48, 0.32);

    /* Border Radius */
    --radius-none: 0;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --max-width-container: 1200px;
    --padding-section-v: var(--spacing-6xl);
    --padding-section-h: var(--spacing-5xl);
}

/* ================================================
   RESET & BASE STYLES
   ================================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--size-body-md);
    font-weight: var(--weight-regular);
    line-height: var(--line-height-relaxed);
    color: var(--color-neutral-medium-gray);
    background-color: var(--color-neutral-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

/* ================================================
   TYPOGRAPHY
   ================================================ */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-neutral-black);
    font-weight: var(--weight-bold);
    line-height: var(--line-height-tight);
}

h1 {
    font-size: var(--size-h1);
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: var(--size-h2);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: var(--size-h3);
    font-weight: var(--weight-semibold);
    margin-bottom: var(--spacing-md);
}

h4 {
    font-size: var(--size-h4);
    font-weight: var(--weight-semibold);
}

h5 {
    font-size: var(--size-h5);
    font-weight: var(--weight-semibold);
}

h6 {
    font-size: var(--size-h6);
    font-weight: var(--weight-semibold);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-neutral-medium-gray);
}

.text-large {
    font-size: var(--size-body-lg);
    line-height: var(--line-height-relaxed);
}

.text-small {
    font-size: var(--size-body-sm);
}

.text-highlight {
    color: var(--color-primary-orange);
    font-weight: var(--weight-semibold);
}

.text-uppercase {
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: var(--weight-semibold);
    font-size: var(--size-body-sm);
}

/* ================================================
   LAYOUT
   ================================================ */
.container {
    max-width: var(--max-width-container);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

section {
    padding: var(--padding-section-v) 0;
}

/* ================================================
   BUTTONS
   ================================================ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 14px 32px;
    background-color: var(--color-primary-orange);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--size-body-md);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
}

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

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-orange-sm);
}

.btn-primary:focus {
    outline: 2px solid var(--color-primary-orange);
    outline-offset: 2px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 14px 32px;
    background-color: transparent;
    color: var(--color-primary-orange);
    border: 2px solid var(--color-primary-orange);
    border-radius: var(--radius-md);
    font-size: var(--size-body-md);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    transition: var(--transition-base);
}

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

.btn-secondary:focus {
    outline: 2px solid var(--color-primary-orange);
    outline-offset: 2px;
}

.btn-small {
    padding: 10px 20px;
    font-size: var(--size-body-sm);
}

.btn-full {
    width: 100%;
}

/* ================================================
   NAVIGATION
   ================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-neutral-white);
    border-bottom: 1px solid var(--color-neutral-border-gray);
    padding: var(--spacing-md) 0;
    z-index: 1000;
    transition: var(--transition-base);
}

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

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

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

.nav-logo .logo-icon {
    width: 40px;
    height: 40px;
}

.nav-logo .logo-text {
    font-size: var(--size-h5);
    font-weight: var(--weight-bold);
    color: var(--color-neutral-black);
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--color-neutral-black);
    font-size: var(--size-body-md);
    font-weight: var(--weight-medium);
    padding: var(--spacing-sm) 0;
    position: relative;
}

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

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-neutral-black);
    transition: var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background-color: var(--color-neutral-white);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-neutral-border-gray);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.mobile-link {
    display: block;
    padding: var(--spacing-md);
    color: var(--color-neutral-black);
    font-weight: var(--weight-medium);
    border-radius: var(--radius-sm);
}

.mobile-link:hover {
    background-color: var(--color-neutral-light-gray);
    color: var(--color-primary-orange);
}

.mobile-cta {
    margin-top: var(--spacing-md);
}

/* ================================================
   HERO SECTION
   ================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: 73px;
}

.hero-landscape {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60vh;
    min-height: 400px;
    overflow: hidden;
}

.landscape-svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: var(--max-width-container);
    margin: 0 auto;
    padding: calc(var(--spacing-6xl) * 2) var(--spacing-lg) var(--spacing-5xl);
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-full);
    font-size: var(--size-body-sm);
    font-weight: var(--weight-medium);
    color: var(--color-neutral-black);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.badge-icon {
    display: flex;
    align-items: center;
}

.hero-title {
    font-size: clamp(32px, 5vw, 56px);
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-neutral-black);
}

.hero-subtitle {
    font-size: var(--size-body-lg);
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    color: var(--color-neutral-medium-gray);
    line-height: var(--line-height-relaxed);
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    background-color: var(--color-neutral-white);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: fit-content;
    margin: 0 auto;
}

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

.stat-number {
    display: block;
    font-size: var(--size-h3);
    font-weight: var(--weight-bold);
    color: var(--color-primary-orange);
}

.stat-label {
    font-size: var(--size-body-sm);
    color: var(--color-neutral-medium-gray);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background-color: var(--color-neutral-border-gray);
}

/* ================================================
   PRODUCT SHOWCASE
   ================================================ */
.product-showcase {
    background-color: var(--color-neutral-white);
    padding-top: 0;
    margin-top: -60px;
    position: relative;
    z-index: 20;
}

.product-mockup {
    max-width: 1100px;
    margin: 0 auto;
}

.mockup-frame {
    background-color: var(--color-neutral-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    border: 1px solid var(--color-neutral-border-gray);
}

.mockup-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-neutral-light-gray);
    border-bottom: 1px solid var(--color-neutral-border-gray);
}

.mockup-dots {
    display: flex;
    gap: var(--spacing-sm);
}

.mockup-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.mockup-dots .dot.red {
    background-color: #FF5F56;
}

.mockup-dots .dot.yellow {
    background-color: #FFBD2E;
}

.mockup-dots .dot.green {
    background-color: #27C93F;
}

.mockup-title {
    flex: 1;
    text-align: center;
    font-size: var(--size-body-sm);
    font-weight: var(--weight-medium);
    color: var(--color-neutral-medium-gray);
}

.mockup-content {
    display: flex;
    min-height: 450px;
}

.mockup-sidebar {
    width: 200px;
    background-color: var(--color-neutral-dark-gray);
    padding: var(--spacing-md);
    flex-shrink: 0;
}

.sidebar-logo {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--size-body-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.sidebar-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.sidebar-item.active {
    background-color: var(--color-primary-orange);
    color: white;
}

.sidebar-item svg {
    flex-shrink: 0;
}

.mockup-main {
    flex: 1;
    padding: var(--spacing-lg);
    background-color: var(--color-neutral-white);
    overflow: hidden;
}

.main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-neutral-border-gray);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.main-header h3 {
    font-size: var(--size-body-lg);
    margin-bottom: 0;
}

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

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: #E8F5E9;
    color: #2E7D32;
    border-radius: var(--radius-full);
    font-size: var(--size-body-xs);
    font-weight: var(--weight-medium);
}

.status-badge.recording {
    background-color: #FFEBEE;
    color: #C62828;
}

.status-badge .pulse {
    width: 8px;
    height: 8px;
    background-color: currentColor;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.time-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-neutral-light-gray);
    border-radius: var(--radius-full);
    font-size: var(--size-body-xs);
    color: var(--color-neutral-medium-gray);
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--spacing-md);
}

.grid-panel {
    background-color: var(--color-neutral-light-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    overflow: hidden;
}

.grid-panel.transcript {
    grid-row: span 2;
}

.panel-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--size-body-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-neutral-black);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-neutral-border-gray);
}

.ai-badge {
    margin-left: auto;
    padding: 2px 8px;
    background-color: var(--color-primary-orange);
    color: white;
    border-radius: var(--radius-full);
    font-size: 10px;
    font-weight: var(--weight-medium);
}

.transcript-content {
    font-size: var(--size-body-sm);
    max-height: 280px;
    overflow-y: auto;
}

.transcript-line {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    background-color: var(--color-neutral-white);
}

.transcript-line.active {
    border-left: 3px solid var(--color-primary-orange);
}

.speaker {
    display: block;
    font-weight: var(--weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.speaker.physician {
    color: var(--color-accent-mountain-blue);
}

.speaker.patient {
    color: var(--color-accent-field-green);
}

.transcript-line .text {
    color: var(--color-neutral-medium-gray);
    line-height: var(--line-height-normal);
}

.documentation-content {
    font-size: var(--size-body-sm);
    max-height: 150px;
    overflow-y: auto;
}

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

.doc-section h4 {
    font-size: var(--size-body-xs);
    font-weight: var(--weight-bold);
    color: var(--color-neutral-black);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.doc-section p {
    font-size: var(--size-body-sm);
    line-height: var(--line-height-normal);
    margin-bottom: 0;
}

.insights-content {
    font-size: var(--size-body-sm);
}

.insight-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-neutral-white);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.insight-item.high .insight-icon {
    color: #C62828;
}

.insight-item.medium .insight-icon {
    color: #F9A825;
}

.insight-item.success .insight-icon {
    color: #2E7D32;
}

.insight-icon {
    flex-shrink: 0;
    margin-top: 2px;
}

.insight-text {
    font-size: var(--size-body-xs);
    line-height: var(--line-height-normal);
}

.insight-text strong {
    color: var(--color-neutral-black);
}

/* Feature Bar */
.feature-bar {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) var(--spacing-lg);
    margin-top: var(--spacing-xl);
    background: var(--gradient-accent-bar);
    border-radius: var(--radius-lg);
}

.feature-bar-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: white;
    font-size: var(--size-body-sm);
    font-weight: var(--weight-medium);
}

.feature-bar-item svg {
    flex-shrink: 0;
}

/* ================================================
   SECTION HEADERS
   ================================================ */
.section-header {
    margin-bottom: var(--spacing-3xl);
}

.section-header.centered {
    text-align: center;
}

.section-label {
    display: inline-block;
    font-size: var(--size-body-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-primary-orange);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.section-title {
    max-width: 800px;
}

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

.section-description {
    font-size: var(--size-body-lg);
    max-width: 800px;
    margin-top: var(--spacing-md);
    line-height: var(--line-height-relaxed);
}

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

/* ================================================
   PLATFORM OVERVIEW
   ================================================ */
.platform-overview {
    background-color: var(--color-neutral-light-gray);
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

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

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

.card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 86, 48, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.card-title {
    font-size: var(--size-h5);
    margin-bottom: var(--spacing-md);
}

.card-body {
    font-size: var(--size-body-md);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
}

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

.card-features li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    font-size: var(--size-body-sm);
    color: var(--color-neutral-medium-gray);
}

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

/* ================================================
   TWO-COLUMN LAYOUT
   ================================================ */
.two-column-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-5xl);
    align-items: center;
}

.two-column-layout.reverse {
    direction: rtl;
}

.two-column-layout.reverse > * {
    direction: ltr;
}

.column-content {
    padding: var(--spacing-lg) 0;
}

.column-graphic {
    display: flex;
    align-items: center;
    justify-content: center;
}

.graphic-container {
    width: 100%;
    max-width: 500px;
}

.care-continuum-graphic {
    width: 100%;
    height: auto;
}

/* ================================================
   ACCORDION
   ================================================ */
.solution-accordion {
    margin-top: var(--spacing-xl);
}

.accordion-item {
    border: 1px solid var(--color-neutral-border-gray);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    background-color: var(--color-neutral-white);
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    text-align: left;
    font-size: var(--size-body-lg);
    font-weight: var(--weight-semibold);
    color: var(--color-neutral-black);
    background-color: transparent;
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
}

.accordion-header:hover {
    background-color: var(--color-neutral-light-gray);
}

.accordion-icon {
    flex-shrink: 0;
    color: var(--color-primary-orange);
}

.accordion-chevron {
    margin-left: auto;
    color: var(--color-neutral-medium-gray);
    transition: var(--transition-base);
}

.accordion-item.active .accordion-chevron {
    transform: rotate(180deg);
}

.accordion-content {
    display: none;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.accordion-item.active .accordion-content {
    display: block;
}

.accordion-content p {
    margin-bottom: var(--spacing-lg);
}

.accordion-list {
    list-style: none;
}

.accordion-list li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    font-size: var(--size-body-sm);
}

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

/* ================================================
   SPECIALTIES SECTION
   ================================================ */
.specialties-section {
    background-color: var(--color-neutral-white);
}

.specialty-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.specialty-category {
    background-color: var(--color-neutral-light-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--size-h5);
    margin-bottom: var(--spacing-lg);
}

.specialty-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.specialty-tag {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-neutral-white);
    border: 1px solid var(--color-neutral-border-gray);
    border-radius: var(--radius-full);
    font-size: var(--size-body-sm);
    color: var(--color-neutral-black);
    transition: var(--transition-fast);
}

.specialty-tag:hover {
    border-color: var(--color-primary-orange);
    color: var(--color-primary-orange);
}

.specialty-cta {
    text-align: center;
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-xl);
    background-color: var(--color-neutral-light-gray);
    border-radius: var(--radius-lg);
}

.cta-text {
    font-size: var(--size-body-lg);
    margin-bottom: var(--spacing-lg);
}

/* ================================================
   TECHNOLOGY SECTION
   ================================================ */
.technology-section {
    background-color: var(--color-neutral-light-gray);
}

.tech-illustration {
    width: 100%;
    max-width: 500px;
}

.tech-illustration svg {
    width: 100%;
    height: auto;
}

.tech-features {
    margin-top: var(--spacing-xl);
}

.tech-feature {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.tech-feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 86, 48, 0.1);
    border-radius: var(--radius-lg);
}

.tech-feature-content h4 {
    font-size: var(--size-body-lg);
    margin-bottom: var(--spacing-sm);
}

.tech-feature-content p {
    font-size: var(--size-body-md);
    margin-bottom: 0;
}

/* ================================================
   INTEGRATION SECTION
   ================================================ */
.integration-section {
    background-color: var(--color-neutral-white);
}

.integration-showcase {
    display: grid;
    gap: var(--spacing-3xl);
}

.integration-category {
    background-color: var(--color-neutral-light-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.integration-title {
    font-size: var(--size-h4);
    margin-bottom: var(--spacing-md);
}

.integration-description {
    font-size: var(--size-body-md);
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
}

.integration-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.integration-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-neutral-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-neutral-border-gray);
    transition: var(--transition-base);
}

.integration-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-orange);
}

.integration-logo {
    margin-bottom: var(--spacing-md);
}

.integration-name {
    font-size: var(--size-body-sm);
    font-weight: var(--weight-medium);
    color: var(--color-neutral-black);
    margin-bottom: var(--spacing-sm);
}

.integration-status {
    font-size: var(--size-body-xs);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.integration-status.certified {
    background-color: #E8F5E9;
    color: #2E7D32;
}

.integration-status.available {
    background-color: #E3F2FD;
    color: #1565C0;
}

.integration-status.api {
    background-color: #FFF3E0;
    color: #E65100;
}

.integration-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.int-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--size-body-sm);
    color: var(--color-neutral-black);
}

/* API Showcase */
.api-showcase {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
    background-color: var(--color-neutral-light-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    align-items: center;
}

.api-content h3 {
    font-size: var(--size-h4);
    margin-bottom: var(--spacing-md);
}

.api-content p {
    margin-bottom: var(--spacing-lg);
}

.api-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.api-feature {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-neutral-white);
    border-radius: var(--radius-full);
    font-size: var(--size-body-sm);
    color: var(--color-neutral-black);
    border: 1px solid var(--color-neutral-border-gray);
}

.api-code {
    background-color: var(--color-neutral-dark-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.code-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-neutral-black);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot.red {
    background-color: #FF5F56;
}

.code-dot.yellow {
    background-color: #FFBD2E;
}

.code-dot.green {
    background-color: #27C93F;
}

.code-title {
    margin-left: auto;
    font-size: var(--size-body-xs);
    color: var(--color-neutral-medium-gray);
}

.code-content {
    padding: var(--spacing-lg);
    overflow-x: auto;
    font-family: var(--font-code);
    font-size: 13px;
    line-height: 1.6;
    color: #E0E0E0;
}

.code-content code {
    font-family: inherit;
}

.code-keyword {
    color: #C792EA;
}

.code-string {
    color: #C3E88D;
}

.code-comment {
    color: #676E95;
    font-style: italic;
}

.code-variable {
    color: #82AAFF;
}

/* ================================================
   BENEFITS SECTION
   ================================================ */
.benefits-section {
    background-color: var(--color-neutral-light-gray);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.benefit-card {
    background-color: var(--color-neutral-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--color-neutral-border-gray);
    transition: var(--transition-base);
}

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

.benefit-metric {
    font-size: 56px;
    font-weight: var(--weight-bold);
    color: var(--color-primary-orange);
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.benefit-title {
    font-size: var(--size-h5);
    margin-bottom: var(--spacing-md);
}

.benefit-description {
    font-size: var(--size-body-md);
    margin-bottom: 0;
}

/* ================================================
   SECURITY SECTION
   ================================================ */
.security-section {
    background-color: var(--color-neutral-white);
}

.security-certifications {
    margin-top: var(--spacing-xl);
}

.cert-item {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-neutral-border-gray);
}

.cert-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.cert-badge {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 86, 48, 0.1);
    border-radius: var(--radius-lg);
}

.cert-info h4 {
    font-size: var(--size-body-lg);
    margin-bottom: var(--spacing-sm);
}

.cert-info p {
    font-size: var(--size-body-md);
    margin-bottom: 0;
}

.security-graphic {
    max-width: 400px;
}

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

/* ================================================
   FAQ SECTION
   ================================================ */
.faq-section {
    background-color: var(--color-neutral-light-gray);
}

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

.faq-item {
    background-color: var(--color-neutral-white);
    border: 1px solid var(--color-neutral-border-gray);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

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

.faq-question:hover {
    background-color: var(--color-neutral-light-gray);
}

.faq-chevron {
    flex-shrink: 0;
    color: var(--color-neutral-medium-gray);
    transition: var(--transition-base);
}

.faq-item.active .faq-chevron {
    transform: rotate(180deg);
    color: var(--color-primary-orange);
}

.faq-answer {
    display: none;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer p {
    font-size: var(--size-body-md);
    line-height: var(--line-height-relaxed);
    margin-bottom: 0;
}

/* ================================================
   CONTACT SECTION
   ================================================ */
.contact-section {
    background-color: var(--color-neutral-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-5xl);
    align-items: start;
}

.contact-content {
    position: sticky;
    top: 120px;
}

.contact-info {
    margin-top: var(--spacing-xl);
}

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

.contact-item svg {
    flex-shrink: 0;
    margin-top: 4px;
}

.contact-item strong {
    display: block;
    color: var(--color-neutral-black);
    margin-bottom: var(--spacing-xs);
}

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

.contact-form-container {
    background-color: var(--color-neutral-light-gray);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.form-title {
    font-size: var(--size-h4);
    margin-bottom: var(--spacing-xl);
}

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

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-size: var(--size-body-sm);
    font-weight: var(--weight-medium);
    color: var(--color-neutral-black);
    margin-bottom: var(--spacing-sm);
}

.form-group label.required::after {
    content: ' *';
    color: var(--color-primary-orange);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-neutral-border-gray);
    border-radius: var(--radius-sm);
    font-size: var(--size-body-md);
    color: var(--color-neutral-black);
    background-color: var(--color-neutral-white);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary-orange);
    box-shadow: 0 0 0 3px rgba(255, 86, 48, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--size-body-sm);
    color: var(--color-neutral-black);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary-orange);
}

.form-disclaimer {
    font-size: var(--size-body-xs);
    color: var(--color-neutral-medium-gray);
    margin-top: var(--spacing-lg);
}

.form-disclaimer a {
    color: var(--color-primary-orange);
    text-decoration: underline;
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
    background: var(--gradient-dark-footer);
    color: rgba(255, 255, 255, 0.8);
}

.footer-main {
    padding: var(--spacing-5xl) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
}

.footer-brand {
    max-width: 350px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.footer-logo .logo-text {
    font-size: var(--size-h5);
    font-weight: var(--weight-bold);
    color: white;
}

.footer-tagline {
    font-size: var(--size-body-md);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact p {
    font-size: var(--size-body-sm);
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact strong {
    color: white;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-links h4 {
    font-size: var(--size-body-md);
    font-weight: var(--weight-semibold);
    color: white;
    margin-bottom: var(--spacing-lg);
}

.footer-links ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    font-size: var(--size-body-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

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

.footer-cta {
    padding: var(--spacing-3xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    text-align: center;
}

.cta-content h3 {
    font-size: var(--size-h4);
    color: white;
    margin-bottom: 0;
}

.footer-bottom {
    padding: var(--spacing-lg) 0;
}

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

.copyright {
    font-size: var(--size-body-sm);
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    font-size: var(--size-body-sm);
    color: rgba(255, 255, 255, 0.5);
}

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

/* ================================================
   RESPONSIVE STYLES
   ================================================ */

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) {
    :root {
        --size-h1: 40px;
        --size-h2: 32px;
        --size-h3: 24px;
        --padding-section-v: var(--spacing-4xl);
    }

    .nav-menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero-content {
        padding: var(--spacing-5xl) var(--spacing-lg) var(--spacing-3xl);
    }

    .two-column-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-3xl);
    }

    .two-column-layout.reverse {
        direction: ltr;
    }

    .column-graphic {
        order: -1;
    }

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

    .specialty-categories {
        grid-template-columns: 1fr;
    }

    .integration-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

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

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

    .contact-content {
        position: static;
    }

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

    .mockup-sidebar {
        display: none;
    }

    .main-grid {
        grid-template-columns: 1fr;
    }

    .grid-panel.transcript {
        grid-row: auto;
    }
}

/* Mobile (< 768px) */
@media (max-width: 767px) {
    :root {
        --size-h1: 32px;
        --size-h2: 28px;
        --size-h3: 22px;
        --padding-section-v: var(--spacing-3xl);
        --padding-section-h: var(--spacing-lg);
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: var(--size-body-md);
    }

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

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

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
        width: 100%;
    }

    .stat-divider {
        display: none;
    }

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

    .feature-bar {
        flex-direction: column;
        gap: var(--spacing-md);
    }

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

    .integration-features {
        grid-template-columns: 1fr;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .benefit-metric {
        font-size: 48px;
    }

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

    .checkbox-group {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        max-width: 100%;
    }

    .footer-logo {
        justify-content: center;
    }

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

    .cta-content {
        flex-direction: column;
    }

    .product-showcase {
        margin-top: 0;
    }

    .mockup-frame {
        border-radius: var(--radius-lg);
    }

    .mockup-content {
        min-height: 350px;
    }

    .accordion-header {
        font-size: var(--size-body-md);
        padding: var(--spacing-md);
    }

    .accordion-content {
        padding: 0 var(--spacing-md) var(--spacing-md);
    }

    .faq-question {
        font-size: var(--size-body-md);
        padding: var(--spacing-md);
    }

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

    .security-graphic {
        max-width: 300px;
        margin: 0 auto;
    }

    .graphic-container {
        max-width: 350px;
    }
}

/* Small Mobile (< 480px) */
@media (max-width: 479px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .integration-grid {
        grid-template-columns: 1fr;
    }

    .nav-container {
        padding: 0 var(--spacing-md);
    }

    .nav-logo .logo-text {
        font-size: var(--size-body-lg);
    }
}

/* ================================================
   ANIMATIONS
   ================================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Smooth scroll offset for fixed header */
html {
    scroll-padding-top: 100px;
}

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

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

    section {
        page-break-inside: avoid;
    }
}