/* ============================================
   SYNERGI AI - Marketing Website Styles
   Apple-Inspired Light Theme
   ============================================ */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&family=Roboto:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================
   CSS Variables - Brand System
   ============================================ */
:root {
    /* Brand Accent Colors */
    --color-primary: #77bde0;      /* Blue */
    --color-secondary: #b78bd3;    /* Purple */
    --color-accent: #dc9171;       /* Coral */

    /* Darker variants for text/hover */
    --color-primary-dark: #4a9bc7;
    --color-secondary-dark: #9668b8;
    --color-accent-dark: #c67856;

    /* Light variants (brand light palette) */
    --color-primary-light: #85ecf8;
    --color-secondary-light: #f0d4fa;
    --color-accent-light: #ffe7ba;

    /* Ultra-light tints for large background areas */
    --color-primary-tint: #e0f9fd;
    --color-secondary-tint: #faf0fd;
    --color-accent-tint: #fff5e6;

    /* Neutral Colors - Light Theme */
    --color-white: #ffffff;
    --color-off-white: #fafafa;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    --color-black: #0a0a0a;

    /* Gradients - Subtle */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);
    --gradient-subtle: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-50) 100%);

    /* Typography */
    --font-heading: 'Roboto', sans-serif;
    --font-body: 'Poppins', 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing - Generous Apple-style */
    --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;
    --spacing-5xl: 8rem;
    --spacing-6xl: 10rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;

    /* Shadows - Subtle */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.1);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
    --shadow-button: 0 2px 8px rgba(119, 189, 224, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Container */
    --container-max: 1200px;
    --container-narrow: 800px;
    --container-padding: 2rem;
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-gray-700);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

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

/* ============================================
   Typography - Large & Impactful
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.15;
    color: var(--color-gray-900);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
}

h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
}

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

h4 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    line-height: 1.7;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.lead {
    font-size: 1.1875rem;
    line-height: 1.7;
    color: var(--color-gray-600);
}

/* ============================================
   Layout Components
   ============================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

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

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

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--spacing-4xl);
}

.section-header .label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    margin-bottom: var(--spacing-lg);
}

.section-header p {
    font-size: 1.0625rem;
    color: var(--color-gray-500);
    margin-bottom: 0;
}

/* Alternate section backgrounds */
.section-alt {
    background: var(--color-gray-50);
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--spacing-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ============================================
   Navigation - Floating with Blur
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    background: transparent;
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1440px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.navbar-brand .logo {
    width: 36px;
    height: 36px;
}

.navbar-brand .brand-logo {
    height: 64px;
    width: auto;
    object-fit: contain;
}

.navbar-brand .brand-name {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.navbar-brand .brand-name span {
    color: var(--color-primary-dark);
}

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

.navbar-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: nowrap;
}

.navbar-links a {
    font-weight: 500;
    font-size: 0.8125rem;
    color: var(--color-gray-600);
    position: relative;
    padding: var(--spacing-xs) 0;
    white-space: nowrap;
}

.navbar-links a:hover {
    color: var(--color-gray-900);
}

.navbar-links a.active {
    color: var(--color-primary-dark);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-gray-900);
    transition: var(--transition-base);
}

@media (max-width: 1080px) {
    .navbar-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(300px, 80vw);
        height: 100vh;
        height: 100dvh;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-4xl) var(--spacing-xl);
        transition: var(--transition-slow);
        box-shadow: var(--shadow-xl);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        z-index: 1001;
    }

    .navbar-menu.active {
        right: 0;
    }

    .navbar-links {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .navbar-links a {
        padding: var(--spacing-sm) 0;
    }

    .navbar-actions {
        width: 100%;
    }

    .navbar-actions .btn {
        width: 100%;
        text-align: center;
    }

    .mobile-menu-btn {
        display: flex;
        padding: var(--spacing-sm);
        min-width: 44px;
        min-height: 44px;
        align-items: center;
        justify-content: center;
    }

    /* Overlay behind mobile menu */
    .navbar-menu.active::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: -1;
    }
}

/* ============================================
   Dropdown Navigation
   ============================================ */
.navbar-links li {
    position: relative;
}

.navbar-links .dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

.navbar-links .dropdown-toggle .dropdown-arrow {
    width: 10px;
    height: 10px;
    transition: var(--transition-fast);
}

.navbar-links li:hover .dropdown-arrow,
.navbar-links li.dropdown-open .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 220px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
    transform: translateX(-50%) translateY(8px);
    z-index: 1001;
    margin-top: var(--spacing-xs);
}

.navbar-links li:hover .dropdown-menu,
.navbar-links li.dropdown-open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-gray-600);
    transition: var(--transition-fast);
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background: var(--color-gray-50);
    color: var(--color-primary-dark);
}

.dropdown-menu .dropdown-label {
    display: block;
    padding: var(--spacing-xs) var(--spacing-lg) var(--spacing-xs);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gray-400);
}

.dropdown-menu .dropdown-divider {
    height: 1px;
    background: var(--color-gray-100);
    margin: var(--spacing-xs) 0;
}

@media (max-width: 1080px) {
    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        border-left: 2px solid var(--color-primary-light);
        border-radius: 0;
        padding: 0 0 0 var(--spacing-md);
        margin: var(--spacing-xs) 0;
        min-width: unset;
        display: none;
    }

    .navbar-links li.dropdown-open .dropdown-menu,
    .navbar-links li:hover .dropdown-menu {
        display: block;
        transform: none;
    }

    .dropdown-menu a {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.875rem;
        white-space: normal;
    }
}

/* ============================================
   Use Case Page Styles
   ============================================ */
.use-case-hero {
    padding: var(--spacing-6xl) 0 var(--spacing-4xl);
    background: var(--gradient-subtle);
    border-bottom: 1px solid var(--color-gray-200);
}

.use-case-badge {
    display: inline-block;
    background: var(--color-primary-tint);
    color: var(--color-primary-dark);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
}

.use-case-hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.use-case-hero .subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-500);
    max-width: 700px;
    margin-bottom: var(--spacing-xl);
}

.use-case-meta {
    display: flex;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.use-case-meta-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.use-case-meta-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-gray-400);
    font-weight: 600;
}

.use-case-meta-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-gray-700);
}

.use-case-content {
    padding: var(--spacing-3xl) 0;
}

.use-case-toc {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl) var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.use-case-toc h2 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-md);
}

.use-case-toc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 40px;
}

.use-case-toc a {
    color: var(--color-primary-dark);
    font-size: 0.9rem;
    padding: 4px 0;
    display: block;
}

.use-case-toc a:hover {
    color: var(--color-secondary-dark);
}

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

.use-case-section .section-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary-dark);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.use-case-section h2 {
    font-size: 1.5rem;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
}

.use-case-section h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.use-case-card {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin: var(--spacing-md) 0;
}

.use-case-card.accent-blue { border-left: 4px solid var(--color-primary); }
.use-case-card.accent-purple { border-left: 4px solid var(--color-secondary); }
.use-case-card.accent-coral { border-left: 4px solid var(--color-accent); }

.use-case-insight {
    background: var(--color-primary-tint);
    border: 1px solid rgba(119, 189, 224, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-md) 0;
}

.use-case-insight .label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-primary-dark);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.prompt-block {
    background: var(--color-primary-tint);
    border: 1px solid rgba(119, 189, 224, 0.3);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-md) 0;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    color: var(--color-primary-dark);
}

.prompt-block .skill-tag {
    background: rgba(119, 189, 224, 0.25);
    border-radius: 4px;
    padding: 2px 8px;
    font-weight: 600;
}

.use-case-table {
    overflow-x: auto;
    margin: var(--spacing-md) 0;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
}

.use-case-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.use-case-table thead {
    background: var(--color-gray-50);
}

.use-case-table th {
    text-align: left;
    padding: 12px 16px;
    font-weight: 600;
    color: var(--color-gray-700);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--color-gray-200);
}

.use-case-table td {
    padding: 10px 16px;
    color: var(--color-gray-600);
    border-bottom: 1px solid var(--color-gray-100);
}

.use-case-table tr:last-child td { border-bottom: none; }
.use-case-table tr:hover td { background: var(--color-gray-50); }

.use-case-table code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    background: var(--color-primary-tint);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.8em;
    color: var(--color-primary-dark);
}

.stream-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: var(--spacing-2xl) 0 var(--spacing-sm);
}

.stream-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
    color: var(--color-white);
}

.stream-header h3 {
    margin: 0;
    font-size: 1.1rem;
}

.stream-owner {
    font-size: 0.82rem;
    color: var(--color-gray-400);
    margin-left: auto;
}

.use-case-briefing {
    background: var(--color-gray-900);
    border: 1px solid var(--color-gray-700);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl) var(--spacing-2xl);
    margin: var(--spacing-lg) 0;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.82rem;
    line-height: 1.8;
    color: var(--color-gray-300);
}

.use-case-briefing .briefing-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--color-primary);
    margin-bottom: 4px;
    letter-spacing: 1px;
    font-weight: 700;
}

.use-case-briefing .sep { color: var(--color-gray-600); }
.use-case-briefing .section-head { color: var(--color-primary-light); font-weight: 600; }
.use-case-briefing .status-green { color: #10b981; }
.use-case-briefing .status-yellow { color: #f59e0b; }
.use-case-briefing .status-risk { color: #ef4444; }

.use-case-pipeline {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 0;
    align-items: stretch;
    margin: var(--spacing-xl) 0;
}

.pipeline-phase {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.pipeline-phase h4 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 4px;
}

.pipeline-phase .subtitle {
    font-size: 0.78rem;
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.pipeline-phase ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pipeline-phase li {
    font-size: 0.82rem;
    color: var(--color-gray-600);
    padding: 3px 0;
}

.pipeline-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-primary);
    padding: 0 8px;
}

.pipeline-output {
    font-size: 0.78rem;
    color: var(--color-gray-400);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-gray-200);
}

.takeaway {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
}

.takeaway-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.takeaway-text p { margin: 0; }

.agent-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: var(--spacing-md) 0;
}

.agent-chip {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.agent-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.agent-chip .name {
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--color-gray-800);
}

.agent-chip .role {
    font-size: 0.78rem;
    color: var(--color-gray-400);
}

.use-case-divider {
    border: none;
    border-top: 1px solid var(--color-gray-200);
    margin: var(--spacing-3xl) 0;
}

.use-case-cta {
    text-align: center;
    padding: var(--spacing-4xl) 0;
    background: var(--gradient-subtle);
    border-top: 1px solid var(--color-gray-200);
}

.use-case-cta h2 {
    border: none;
    padding: 0;
    margin-bottom: var(--spacing-md);
}

.use-case-cta p {
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xl);
    font-size: 1.05rem;
}

@media (max-width: 768px) {
    .use-case-toc-grid { grid-template-columns: 1fr; }
    .use-case-pipeline { grid-template-columns: 1fr; gap: 12px; }
    .pipeline-arrow { transform: rotate(90deg); padding: 8px 0; }
    .agent-grid { grid-template-columns: 1fr; }
    .use-case-meta { gap: var(--spacing-lg); }
}

/* ============================================
   Buttons - Clean & Minimal
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-gray-900);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-black);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-gray-900);
    border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-400);
}

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

.btn-accent:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-button);
}

.btn-ghost {
    background: transparent;
    color: var(--color-primary-dark);
    padding: 0.5rem 0;
}

.btn-ghost:hover {
    color: var(--color-primary);
}

.btn-lg {
    padding: 1.125rem 2.25rem;
    font-size: 1.0625rem;
}

.btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

/* ============================================
   Hero Section - Apple Style
   ============================================ */
.hero {
    position: relative;
    min-height: auto;
    display: flex;
    align-items: center;
    background: var(--color-white);
    padding-top: 100px;
    padding-bottom: var(--spacing-3xl);
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-4xl) var(--container-padding);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-primary-tint);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xl);
}

.hero h1 {
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.1875rem);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-question {
    font-size: clamp(1.0625rem, 2.5vw, 1.375rem);
    font-weight: 500;
    color: var(--color-gray-700);
    font-style: italic;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.5;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
}

.hero-video {
    margin-top: var(--spacing-2xl);
    width: 100%;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.hero-video-player {
    width: 100%;
    height: auto;
    display: block;
}

.hero-visual {
    margin-top: var(--spacing-4xl);
}

@media (max-width: 768px) {
    .hero-content {
        padding: var(--spacing-2xl) var(--container-padding);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-video {
        max-width: 100%;
        border-radius: 8px;
    }
}

/* ============================================
   Problem Section
   ============================================ */
.problem-section {
    background: var(--color-gray-50);
}

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

.problem-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: var(--transition-base);
}

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

.problem-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-tint);
    border-radius: var(--radius-lg);
    margin: 0 auto var(--spacing-lg);
    color: var(--color-accent-dark);
    font-size: 1.75rem;
}

.problem-card h4 {
    margin-bottom: var(--spacing-md);
}

.problem-card p {
    color: var(--color-gray-500);
    margin-bottom: 0;
    font-size: 1rem;
}

@media (max-width: 1080px) {
    .problem-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Solution Section
   ============================================ */
.solution-section {
    background: var(--color-white);
}

.solution-intro {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.solution-intro .highlight {
    color: var(--color-primary-dark);
    font-weight: 600;
}

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

.solution-card {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.solution-card:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.solution-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: var(--color-white);
}

.solution-icon svg {
    width: 28px;
    height: 28px;
}

.solution-card h4 {
    margin-bottom: var(--spacing-sm);
}

.solution-card p {
    color: var(--color-gray-500);
    margin-bottom: 0;
    font-size: 1rem;
}

@media (max-width: 768px) {
    .solution-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Three Lanes Section
   ============================================ */
.lanes-section {
    background: var(--color-white);
}

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

.lane-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: var(--transition-base);
    position: relative;
}

.lane-card:nth-child(1) { --lane-color: var(--color-primary); --lane-bg: var(--color-primary-light); }
.lane-card:nth-child(2) { --lane-color: var(--color-secondary); --lane-bg: var(--color-secondary-light); }
.lane-card:nth-child(3) { --lane-color: var(--color-accent); --lane-bg: var(--color-accent-light); }

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

.lane-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: var(--lane-bg);
    border-radius: 50%;
    margin-bottom: var(--spacing-lg);
}

.lane-number span {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--lane-color);
}

.lane-card h3 {
    margin-bottom: var(--spacing-sm);
}

.lane-subtitle {
    font-size: 0.875rem;
    color: var(--lane-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.lane-card > p {
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-lg);
}

.lane-features {
    text-align: left;
}

.lane-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

.lane-features li svg {
    width: 18px;
    height: 18px;
    color: var(--lane-color);
    flex-shrink: 0;
    margin-top: 3px;
}

@media (max-width: 1080px) {
    .lanes-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Features / Capabilities Section
   ============================================ */
.features {
    background: var(--color-gray-50);
}

.feature-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-tint);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary-dark);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-card h4 {
    margin-bottom: var(--spacing-md);
}

.feature-card p {
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-primary-dark);
    font-size: 0.9375rem;
}

.feature-link svg {
    width: 18px;
    height: 18px;
    transition: var(--transition-base);
}

.feature-link:hover svg {
    transform: translateX(4px);
}

/* Capabilities Grid */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.capability-item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.capability-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.capability-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    margin: 0 auto var(--spacing-md);
    color: var(--color-white);
}

.capability-icon svg {
    width: 24px;
    height: 24px;
}

.capability-item h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.capability-item p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: 0;
}

@media (max-width: 1024px) {
    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .capabilities-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Values Section
   ============================================ */
.values-section {
    background: var(--color-white);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-lg);
}

.value-item {
    text-align: center;
    padding: var(--spacing-lg);
}

.value-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-50);
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
    font-size: 1.5rem;
}

.value-item h5 {
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-xs);
}

.value-item p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: 0;
}

@media (max-width: 1024px) {
    .values-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 640px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   Trust / Credibility Section
   ============================================ */
.trust-section {
    background: var(--color-gray-900);
    color: var(--color-white);
}

.trust-section h2,
.trust-section h3,
.trust-section h4 {
    color: var(--color-white);
}

.trust-section p {
    color: var(--color-gray-300);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    text-align: center;
}

.trust-item {
    padding: var(--spacing-xl);
}

.trust-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(119, 189, 224, 0.15);
    border-radius: 50%;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-primary);
}

.trust-icon svg {
    width: 28px;
    height: 28px;
}

@media (max-width: 768px) {
    .trust-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing {
    background: var(--color-gray-50);
}

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

.pricing-toggle span {
    color: var(--color-gray-500);
    font-weight: 500;
}

.pricing-toggle span.active {
    color: var(--color-gray-900);
}

.toggle-switch {
    position: relative;
    width: 56px;
    height: 30px;
    background: var(--color-gray-300);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-base);
}

.toggle-switch.active {
    background: var(--color-primary);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 24px;
    height: 24px;
    background: var(--color-white);
    border-radius: 50%;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.toggle-switch.active::after {
    left: 29px;
}

.pricing-save {
    background: var(--color-accent-light);
    color: var(--color-accent-dark);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

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

.pricing-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: var(--transition-base);
}

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
    transform: scale(1.02);
    position: relative;
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-card:hover:not(.featured) {
    border-color: var(--color-gray-300);
    box-shadow: var(--shadow-lg);
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
    margin-bottom: var(--spacing-lg);
}

.pricing-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.pricing-desc {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-lg);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-xs);
}

.pricing-price .currency {
    font-size: 1.25rem;
    color: var(--color-gray-500);
}

.pricing-price .amount {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1;
}

.pricing-price .period {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
}

.pricing-features {
    margin-bottom: var(--spacing-xl);
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

.pricing-features li svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-card .btn {
    width: 100%;
}

@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }

    .pricing-card.featured {
        transform: none;
    }
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials {
    background: var(--color-white);
}

.testimonial-card {
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
}

.testimonial-content {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xl);
    font-style: italic;
}

.testimonial-content::before {
    content: '"';
    font-family: Georgia, serif;
    font-size: 4rem;
    line-height: 0;
    color: var(--color-primary);
    opacity: 0.3;
    display: block;
    margin-bottom: var(--spacing-md);
}

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

.testimonial-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-white);
}

.testimonial-info h4 {
    font-size: 1rem;
    margin-bottom: 2px;
}

.testimonial-info p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: 0;
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
    background: var(--color-white);
}

.cta-wrapper {
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-5xl) var(--spacing-3xl);
    text-align: center;
}

.cta-content {
    max-width: 640px;
    margin: 0 auto;
}

.cta h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.cta p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-2xl);
}

.cta-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.cta .btn-white {
    background: var(--color-white);
    color: var(--color-gray-900);
}

.cta .btn-white:hover {
    background: var(--color-gray-100);
    transform: translateY(-1px);
}

.cta .btn-outline-white {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.cta .btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
}

@media (max-width: 640px) {
    .cta-wrapper {
        padding: var(--spacing-3xl) var(--spacing-xl);
    }

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

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-gray-900);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
    color: var(--color-white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-brand {
    max-width: 280px;
}

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

.footer-brand .brand-name {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-white);
}

.footer-brand .brand-name span {
    color: var(--color-primary);
}

.footer-brand p {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-lg);
}

.footer-tagline {
    font-style: italic;
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-gray-400);
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.footer-social a svg {
    width: 20px;
    height: 20px;
}

.footer-column h5 {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

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

.footer-column ul li a {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
}

.footer-column ul li a:hover {
    color: var(--color-primary);
}

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

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: 0;
}

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

.footer-legal a {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

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

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-brand {
        grid-column: span 1;
    }

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

/* ============================================
   Contact Form
   ============================================ */
.contact-section {
    background: var(--color-gray-50);
}

.contact-form {
    max-width: 560px;
    margin: 0 auto;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

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

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    color: var(--color-gray-900);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(119, 189, 224, 0.15);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-400);
}

/* ============================================
   FAQ Section
   ============================================ */
.faq-section {
    background: var(--color-white);
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--spacing-lg) 0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    gap: var(--spacing-md);
}

.faq-question h4 {
    font-size: 1.0625rem;
    margin-bottom: 0;
}

.faq-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--color-gray-400);
    transition: var(--transition-base);
}

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

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding-top: var(--spacing-md);
    color: var(--color-gray-500);
    font-size: 1rem;
    margin-bottom: 0;
}

/* ============================================
   About Page
   ============================================ */
.about-hero {
    padding-top: 140px;
    padding-bottom: var(--spacing-4xl);
    background: var(--color-white);
    text-align: center;
}

.about-content {
    max-width: 720px;
    margin: 0 auto;
}

.about-content p {
    font-size: 1.25rem;
    line-height: 1.8;
}

.mission-section {
    background: var(--color-gray-50);
}

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

.mission-card {
    padding: var(--spacing-2xl);
}

.mission-card h3 {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-lg);
}

.mission-card p {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .mission-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   AI Agents Section
   ============================================ */
.agents-section {
    background: var(--color-gray-50);
}

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

.agent-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: var(--transition-base);
}

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

.agent-icon-wrapper {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto var(--spacing-lg);
}

.agent-icon-blue {
    background: var(--color-primary-tint);
    color: var(--color-primary-dark);
}

.agent-icon-purple {
    background: var(--color-secondary-tint);
    color: var(--color-secondary-dark);
}

.agent-icon-coral {
    background: var(--color-accent-tint);
    color: var(--color-accent-dark);
}

.agent-card h4 {
    margin-bottom: var(--spacing-xs);
}

.agent-role {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md) !important;
}

.agent-card p:last-child {
    color: var(--color-gray-500);
    margin-bottom: 0;
    font-size: 0.9375rem;
}

@media (max-width: 1024px) {
    .agents-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .agents-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Stats Section
   ============================================ */
.stats-section {
    background: var(--color-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-2xl);
}

.stat-value {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 5vw, 4.5rem);
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1rem;
    color: var(--color-gray-500);
    line-height: 1.5;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .stat-item {
        padding: var(--spacing-lg);
    }
}

/* ============================================
   Footer Logo
   ============================================ */
.footer-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Articles Section
   ============================================ */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.article-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
}

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

.article-thumb {
    height: 200px;
    background: var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-body {
    padding: var(--spacing-xl);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.article-tag {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    background: var(--color-primary-tint);
    color: var(--color-primary-dark);
}

.article-date {
    font-size: 0.8125rem;
    color: var(--color-gray-400);
}

.article-body h4 {
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.article-body p {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-lg);
}

.article-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-primary-dark);
    font-size: 0.9375rem;
}

.article-link svg {
    width: 18px;
    height: 18px;
    transition: var(--transition-base);
}

.article-link:hover svg {
    transform: translateX(4px);
}

@media (max-width: 1024px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .articles-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   AI Readiness Page
   ============================================ */
.narrative-section {
    max-width: 720px;
    margin: 0 auto;
}

.narrative-section p {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.narrative-section blockquote {
    border-left: 3px solid var(--color-primary);
    padding-left: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
    font-style: italic;
    font-size: 1.375rem;
    color: var(--color-gray-700);
    line-height: 1.6;
}

/* ============================================
   AI Readiness Spectrum
   ============================================ */
.spectrum-track {
    position: relative;
    padding: var(--spacing-xl) 0;
}

.spectrum-line {
    position: absolute;
    top: 50%;
    left: 5%;
    right: 5%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-secondary) 50%, var(--color-primary-dark) 100%);
    border-radius: 2px;
    transform: translateY(-50%);
    z-index: 0;
}

.spectrum-stages {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.spectrum-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.spectrum-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--stage-color);
    border: 3px solid var(--color-white);
    box-shadow: 0 0 0 2px var(--stage-color), var(--shadow-md);
    margin-bottom: var(--spacing-lg);
    flex-shrink: 0;
}

.spectrum-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    width: 100%;
}

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

.spectrum-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--stage-color);
    color: var(--color-white);
    font-weight: 700;
    font-size: 0.8125rem;
    margin-bottom: var(--spacing-sm);
}

.spectrum-card h4 {
    font-size: 1.0625rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-900);
}

.spectrum-card p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: 0;
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .spectrum-line {
        display: none;
    }

    .spectrum-stages {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        max-width: 500px;
        margin: 0 auto;
    }

    .spectrum-stage {
        flex-direction: row;
        text-align: left;
        gap: var(--spacing-md);
    }

    .spectrum-dot {
        margin-bottom: 0;
        margin-top: var(--spacing-lg);
    }

    .spectrum-card {
        flex: 1;
    }
}

/* ============================================
   Animations & Utilities
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* Utility classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-md); }
.mb-2 { margin-bottom: var(--spacing-xl); }
.mb-3 { margin-bottom: var(--spacing-2xl); }
.mb-4 { margin-bottom: var(--spacing-3xl); }

.hidden { display: none; }

/* ============================================
   Page-Specific Adjustments
   ============================================ */
.pricing-page .hero,
.features-page .hero,
.contact-page .hero,
.about-page .hero {
    min-height: auto;
    padding-top: 140px;
    padding-bottom: var(--spacing-4xl);
}

/* ============================================
   Responsive Adjustments
   ============================================ */

/* --- Tablet landscape (1024px) --- */
@media (max-width: 1024px) {
    .section-header {
        margin-bottom: var(--spacing-3xl);
    }

    .section-header p {
        font-size: 1.125rem;
    }

    .lead {
        font-size: 1.25rem;
    }

    /* Ensure page heroes don't have excessive top padding */
    .pricing-page .hero,
    .features-page .hero,
    .contact-page .hero,
    .about-page .hero {
        padding-top: 120px;
    }
}

/* --- Tablet portrait (768px) --- */
@media (max-width: 768px) {
    :root {
        --container-padding: 1.5rem;
    }

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

    .section-header {
        margin-bottom: var(--spacing-2xl);
    }

    .lead {
        font-size: 1.125rem;
    }

    p {
        font-size: 1rem;
    }

    /* Page heroes */
    .pricing-page .hero,
    .features-page .hero,
    .contact-page .hero,
    .about-page .hero {
        padding-top: 110px;
        padding-bottom: var(--spacing-3xl);
    }

    .about-hero {
        padding-top: 110px;
    }

    /* CTA section */
    .cta-wrapper {
        padding: var(--spacing-3xl) var(--spacing-xl);
        border-radius: var(--radius-xl);
    }

    .cta p {
        font-size: 1.0625rem;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }

    /* Contact form */
    .contact-form {
        padding: var(--spacing-xl);
    }

    /* Testimonials */
    .testimonial-content {
        font-size: 1.0625rem;
    }

    /* Use case briefing */
    .use-case-briefing {
        padding: var(--spacing-lg);
        font-size: 0.78rem;
    }

    /* Narrative sections */
    .narrative-section p {
        font-size: 1.0625rem;
    }

    .narrative-section blockquote {
        font-size: 1.125rem;
        padding-left: var(--spacing-lg);
    }

    /* About content */
    .about-content p {
        font-size: 1.0625rem;
    }
}

/* --- Large phone (640px) --- */
@media (max-width: 640px) {
    /* Solution cards stack content vertically */
    .solution-card {
        flex-direction: column;
    }

    /* Stat items tighter */
    .stat-item {
        padding: var(--spacing-md);
    }

    /* Use case hero */
    .use-case-hero h1 {
        font-size: 1.75rem;
    }

    /* Stream header */
    .stream-header {
        flex-wrap: wrap;
    }

    .stream-owner {
        margin-left: 0;
        width: 100%;
        margin-top: var(--spacing-xs);
    }

    /* Agent chips */
    .agent-grid {
        grid-template-columns: 1fr;
    }
}

/* --- Mobile (480px) --- */
@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }

    .section {
        padding: var(--spacing-3xl) 0;
    }

    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    /* Hero adjustments */
    .hero {
        min-height: auto;
        padding-top: 80px;
        padding-bottom: var(--spacing-2xl);
    }

    .hero-content {
        padding: var(--spacing-xl) var(--container-padding);
    }

    .hero-badge {
        font-size: 0.8125rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }

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

    /* Page heroes */
    .pricing-page .hero,
    .features-page .hero,
    .contact-page .hero,
    .about-page .hero {
        padding-top: 90px;
        padding-bottom: var(--spacing-2xl);
    }

    .about-hero {
        padding-top: 90px;
    }

    /* Navbar brand */
    .navbar-brand .brand-logo {
        height: 48px;
    }

    /* Cards reduce padding */
    .problem-card,
    .lane-card,
    .feature-card,
    .agent-card,
    .testimonial-card {
        padding: var(--spacing-xl);
    }

    .solution-card {
        padding: var(--spacing-lg);
    }

    /* Pricing */
    .pricing-card {
        padding: var(--spacing-xl);
    }

    .pricing-price .amount {
        font-size: 2.5rem;
    }

    /* Contact form */
    .contact-form {
        padding: var(--spacing-lg);
        border-radius: var(--radius-lg);
    }

    /* CTA */
    .cta-wrapper {
        padding: var(--spacing-2xl) var(--spacing-lg);
        border-radius: var(--radius-lg);
    }

    .cta p {
        font-size: 1rem;
    }

    /* Footer */
    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }

    .footer-grid {
        gap: var(--spacing-xl);
    }

    /* Use case */
    .use-case-toc {
        padding: var(--spacing-lg);
    }

    .use-case-briefing {
        padding: var(--spacing-md);
        font-size: 0.75rem;
    }

    .use-case-card {
        padding: var(--spacing-md);
    }

    .pipeline-phase {
        padding: var(--spacing-md);
    }

    /* Takeaway */
    .takeaway {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    /* Tables horizontal scroll hint */
    .use-case-table {
        font-size: 0.82rem;
    }

    /* Values grid */
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .value-item {
        padding: var(--spacing-md);
    }

    .value-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }
}

/* --- Small mobile (360px) --- */
@media (max-width: 360px) {
    :root {
        --container-padding: 0.75rem;
    }

    h1 {
        font-size: 1.875rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9375rem;
    }

    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .navbar-brand .brand-logo {
        height: 40px;
    }

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

/* ============================================
   Touch-Friendly & Accessibility
   ============================================ */
@media (pointer: coarse) {
    /* Ensure minimum 44px tap targets */
    .btn {
        min-height: 44px;
    }

    .btn-sm {
        min-height: 44px;
        padding: 0.75rem 1.25rem;
    }

    .navbar-links a {
        padding: var(--spacing-sm) 0;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }

    .dropdown-menu a {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .faq-question {
        min-height: 44px;
    }

    .footer-column ul li a {
        display: inline-block;
        padding: var(--spacing-xs) 0;
        min-height: 44px;
        line-height: 44px;
    }

    .footer-social a {
        min-width: 44px;
        min-height: 44px;
    }

    .toggle-switch {
        min-width: 56px;
        min-height: 44px;
    }

    /* Form inputs need adequate sizing on touch */
    .form-group input,
    .form-group textarea,
    .form-group select {
        min-height: 48px;
        font-size: 16px; /* Prevents iOS zoom on focus */
    }
}

/* ============================================
   Features Page - Benefit Rows
   ============================================ */
.benefit-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.benefit-row-reverse .benefit-text {
    order: 2;
}

.benefit-row-reverse .benefit-visual {
    order: 1;
}

.benefit-text .label {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-lg);
}

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

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

@media (max-width: 768px) {
    .benefit-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .benefit-row-reverse .benefit-text {
        order: 1;
    }

    .benefit-row-reverse .benefit-visual {
        order: 2;
    }

    .integrations-sub-grid {
        grid-template-columns: 1fr;
    }

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

/* ============================================
   Responsive Grid Utilities
   ============================================ */
.responsive-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

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

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

.responsive-grid-5 {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-xs);
}

.responsive-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.responsive-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
}

@media (max-width: 768px) {
    .responsive-grid-2 {
        grid-template-columns: 1fr;
    }

    .responsive-grid-3 {
        grid-template-columns: 1fr;
    }

    .responsive-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .responsive-grid-5 {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .responsive-contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
}

@media (max-width: 480px) {
    .responsive-grid-4 {
        grid-template-columns: 1fr;
    }

    .responsive-grid-5 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   Overflow Protection
   ============================================ */
html {
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
}

/* Ensure images never overflow */
img, video, iframe {
    max-width: 100%;
}

/* Prevent long words/URLs from breaking layout */
.article-body,
.use-case-section,
.narrative-section,
.about-content,
.mission-card {
    overflow-wrap: break-word;
    word-wrap: break-word;
}