/* ================================================
   EMAAVY AI - Premium Voice AI Platform
   Design System & Styles
   ================================================ */

/* -------------------- Variables -------------------- */
:root {
    /* Colors - Midnight & Cyan theme */
    --color-bg: #0a0a0f;
    --color-bg-elevated: #12121a;
    --color-bg-card: #16161f;
    --color-bg-hover: #1c1c28;
    
    --color-primary: #00d4aa;
    --color-primary-light: #00ffc8;
    --color-primary-dark: #00a885;
    --color-primary-glow: rgba(0, 212, 170, 0.3);
    
    --color-accent: #7c3aed;
    --color-accent-light: #a78bfa;
    
    --color-text: #ffffff;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;
    
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-light: rgba(255, 255, 255, 0.12);
    
    /* Typography */
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--color-primary-glow);
}

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

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

body {
    font-family: var(--font-primary);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

/* -------------------- Layout -------------------- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* -------------------- Typography -------------------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* -------------------- Buttons -------------------- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 1.75rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #000000;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px var(--color-primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px var(--color-primary-glow);
}

.btn-primary svg {
    width: 18px;
    height: 18px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 1.75rem;
    background: transparent;
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.btn-secondary:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-text-muted);
}

.btn-secondary svg {
    width: 18px;
    height: 18px;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* -------------------- Navigation -------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    width: 36px;
    height: 36px;
    color: var(--color-primary);
}

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

.nav-links a {
    font-size: 0.925rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.nav-link-docs {
    padding: 0.5rem 1rem;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-sm);
}

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

.btn-login {
    font-size: 0.925rem;
    color: var(--color-text-secondary);
}

.btn-login:hover {
    color: var(--color-text);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

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

/* -------------------- Hero Section -------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--spacing-4xl)) 0 var(--spacing-4xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 170, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 100% 0%, rgba(124, 58, 237, 0.1) 0%, transparent 40%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 0%, transparent 70%);
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 8s ease-in-out infinite;
}

.hero-orb-1 {
    width: 500px;
    height: 500px;
    background: var(--color-primary);
    top: 10%;
    right: -10%;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: var(--color-accent);
    bottom: 10%;
    left: -10%;
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

.hero .container {
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem 1rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.7;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-2xl);
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

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

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

/* -------------------- Trusted By -------------------- */
.trusted-by {
    padding: var(--spacing-3xl) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-elevated);
}

.trusted-label {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xl);
}

.logo-carousel {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent 0%, black 15%, black 85%, transparent 100%);
}

.logo-track {
    display: flex;
    gap: var(--spacing-3xl);
    animation: scroll 25s linear infinite;
}

.company-logo {
    flex-shrink: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-muted);
    opacity: 0.6;
    white-space: nowrap;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* -------------------- Section Styles -------------------- */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: rgba(0, 212, 170, 0.1);
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

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

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

.use-case-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

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

.use-case-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.08) 0%, rgba(124, 58, 237, 0.05) 100%);
    border-color: rgba(0, 212, 170, 0.2);
}

.use-case-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 170, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

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

.use-case-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.use-case-card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.use-case-features {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.use-case-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.use-case-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

/* -------------------- How It Works -------------------- */
.how-it-works {
    padding: var(--spacing-4xl) 0;
    background: var(--color-bg-elevated);
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.step-card {
    display: grid;
    grid-template-columns: auto 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    padding: var(--spacing-2xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    font-family: var(--font-mono);
    color: var(--color-bg);
    -webkit-text-stroke: 2px var(--color-primary);
    opacity: 0.8;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

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

.step-visual {
    display: flex;
    justify-content: flex-end;
}

/* Code Block */
.code-block {
    background: #0d0d12;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    width: 100%;
    max-width: 360px;
}

.code-header {
    display: flex;
    gap: 6px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--color-border);
}

.code-header .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.code-header .dot.red { background: #ff5f57; }
.code-header .dot.yellow { background: #febc2e; }
.code-header .dot.green { background: #28c840; }

.code-block pre {
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.6;
    overflow-x: auto;
}

.code-block .keyword { color: #c792ea; }
.code-block .function { color: #82aaff; }
.code-block .property { color: #89ddff; }
.code-block .string { color: #c3e88d; }

/* Test Interface */
.test-interface {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    width: 100%;
    max-width: 320px;
}

.test-message {
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
}

.test-message.user {
    background: var(--color-primary);
    color: var(--color-bg);
    margin-left: auto;
    max-width: 85%;
    text-align: right;
}

.test-message.agent {
    background: var(--color-bg-elevated);
    max-width: 85%;
}

.test-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    font-size: 0.8rem;
    color: #28c840;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #28c840;
    border-radius: 50%;
}

/* Chat Visual - Step 1 */
.chat-visual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
    max-width: 340px;
}

.chat-bubble {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    position: relative;
}

.chat-bubble.you {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    margin-right: var(--spacing-xl);
}

.chat-bubble.us {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.15) 0%, rgba(0, 212, 170, 0.05) 100%);
    border: 1px solid rgba(0, 212, 170, 0.3);
    margin-left: var(--spacing-xl);
}

.chat-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-muted);
}

.chat-bubble.us .chat-label {
    color: var(--color-primary);
}

.chat-bubble p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0;
    font-style: italic;
}

.chat-bubble.us p {
    color: var(--color-text);
    font-style: normal;
}

/* Build Visual - Step 2 */
.build-visual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
    max-width: 200px;
}

.build-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.build-item:hover {
    border-color: var(--color-primary);
    transform: translateX(4px);
}

.build-item svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.build-item span {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* Positive Sentiment */
.metric-value.positive {
    color: #28c840;
    font-size: 1.25rem;
}

/* Deploy Options */
.deploy-options {
    display: flex;
    gap: var(--spacing-md);
}

.deploy-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.deploy-option:hover {
    border-color: var(--color-primary);
}

.deploy-option svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.deploy-option span {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* Metrics Preview */
.metrics-preview {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    width: 100%;
    max-width: 280px;
}

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

.metric:last-child {
    margin-bottom: 0;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--color-primary);
}

.metric-bar {
    height: 6px;
    background: var(--color-bg-elevated);
    border-radius: 3px;
    overflow: hidden;
    margin-top: var(--spacing-sm);
}

.metric-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 3px;
}

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

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

.feature-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-2px);
}

.feature-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 170, 0.1);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.feature-icon svg {
    width: 22px;
    height: 22px;
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: 0.925rem;
    line-height: 1.6;
}

/* -------------------- Demo Section -------------------- */
.demo-section {
    padding: var(--spacing-4xl) 0;
    background: var(--color-bg-elevated);
}

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

.demo-content h2 {
    font-size: 2.25rem;
    margin: var(--spacing-md) 0;
}

.demo-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-group input::placeholder {
    color: var(--color-text-muted);
}

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

.phone-mockup {
    width: 280px;
    height: 560px;
    background: #1a1a24;
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-lg);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--color-bg);
    border-radius: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.caller-avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: rgba(0, 212, 170, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.caller-avatar svg {
    width: 40px;
    height: 40px;
}

.caller-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.call-status {
    font-size: 0.9rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.call-waveform {
    display: flex;
    justify-content: center;
    gap: 4px;
    height: 40px;
    align-items: center;
}

.call-waveform span {
    width: 4px;
    background: var(--color-primary);
    border-radius: 2px;
    animation: wave 0.8s ease-in-out infinite;
}

.call-waveform span:nth-child(1) { height: 20%; animation-delay: 0s; }
.call-waveform span:nth-child(2) { height: 40%; animation-delay: 0.1s; }
.call-waveform span:nth-child(3) { height: 60%; animation-delay: 0.2s; }
.call-waveform span:nth-child(4) { height: 40%; animation-delay: 0.3s; }
.call-waveform span:nth-child(5) { height: 20%; animation-delay: 0.4s; }

@keyframes wave {
    0%, 100% { height: 20%; }
    50% { height: 100%; }
}

/* -------------------- Testimonials -------------------- */
.testimonials {
    padding: var(--spacing-4xl) 0;
}

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

.testimonial-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    position: relative;
}

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

.testimonial-content p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
}

.author-role {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.testimonial-metric {
    position: absolute;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    text-align: right;
}

.metric-highlight {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
}

.testimonial-metric span:last-child {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* -------------------- Integrations -------------------- */
.integrations {
    padding: var(--spacing-4xl) 0;
    background: var(--color-bg-elevated);
}

.integrations-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.integration-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    min-width: 120px;
}

.integration-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.integration-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
}

.integration-icon svg {
    width: 32px;
    height: 32px;
}

.integration-item span {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

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

/* -------------------- Pricing -------------------- */
.pricing {
    padding: var(--spacing-4xl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    padding: var(--spacing-2xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    position: relative;
}

.pricing-card.featured {
    background: linear-gradient(180deg, rgba(0, 212, 170, 0.08) 0%, var(--color-bg-card) 100%);
    border-color: var(--color-primary);
    box-shadow: 0 0 40px var(--color-primary-glow);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.375rem 1rem;
    background: var(--color-primary);
    color: var(--color-bg);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
}

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

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.pricing-header p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

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

.price-amount {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.price-period {
    font-size: 1rem;
    color: var(--color-text-muted);
}

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

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--color-text-secondary);
}

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

/* -------------------- FAQ -------------------- */
.faq {
    padding: var(--spacing-4xl) 0;
    background: var(--color-bg-elevated);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    text-align: left;
    transition: all var(--transition-fast);
}

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

.faq-question svg {
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    transition: transform var(--transition-base);
}

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

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

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* -------------------- Final CTA -------------------- */
.final-cta {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-elevated) 100%);
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, var(--color-primary-glow) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

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

/* -------------------- Footer -------------------- */
.footer {
    padding: var(--spacing-4xl) 0 var(--spacing-2xl);
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

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

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

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
    max-width: 280px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

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

.social-links svg {
    width: 18px;
    height: 18px;
}

.footer-links h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-badges {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-badges .badge {
    padding: 0.25rem 0.75rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* -------------------- Responsive -------------------- */
@media (max-width: 1024px) {
    .step-card {
        grid-template-columns: auto 1fr;
    }
    
    .step-visual {
        grid-column: span 2;
        justify-content: flex-start;
        margin-top: var(--spacing-lg);
    }
    
    .use-case-card.featured {
        grid-column: span 1;
    }
    
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-brand {
        grid-column: span 3;
        margin-bottom: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding-top: calc(60px + var(--spacing-3xl));
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }
    
    .stat-divider {
        display: none;
    }
    
    .demo-container {
        grid-template-columns: 1fr;
    }
    
    .demo-visual {
        order: -1;
    }
    
    .phone-mockup {
        width: 240px;
        height: 480px;
    }
    
    .step-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .step-number {
        font-size: 3rem;
    }
    
    .step-visual {
        grid-column: span 1;
        justify-content: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
    
    .footer-brand {
        grid-column: span 2;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .use-cases-grid,
    .features-grid,
    .testimonials-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .deploy-options {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        grid-column: span 1;
    }
}

/* -------------------- Integrations More -------------------- */
.integrations-more {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.integrations-more span {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

/* -------------------- Contact Modal -------------------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-base);
}

.modal-overlay.active .modal-container {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    color: var(--color-text);
    border-color: var(--color-text-muted);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-content {
    padding: var(--spacing-2xl);
}

.modal-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.modal-header h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.modal-header p {
    color: var(--color-text-secondary);
    font-size: 1rem;
}

/* Modal Form */
.modal-content .contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.modal-content .form-group {
    margin-bottom: 0;
}

.modal-content .form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.modal-content .form-group input,
.modal-content .form-group textarea,
.modal-content .form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.modal-content .form-group input:focus,
.modal-content .form-group textarea:focus,
.modal-content .form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.modal-content .form-group input::placeholder,
.modal-content .form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.modal-content .form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.modal-content .form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 3rem;
}

/* Submit Button */
.modal-content .btn-primary {
    margin-top: var(--spacing-sm);
}

.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Success State */
.modal-success {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-2xl);
}

.modal-success .success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-xl);
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.15) 0%, rgba(0, 212, 170, 0.05) 100%);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: success-pulse 2s ease-in-out infinite;
}

@keyframes success-pulse {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 212, 170, 0.3); }
    50% { box-shadow: 0 0 40px rgba(0, 212, 170, 0.5); }
}

.modal-success .success-icon svg {
    width: 36px;
    height: 36px;
    color: var(--color-primary);
}

.modal-success h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.modal-success > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.success-steps {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.success-steps h4 {
    font-size: 0.95rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.success-steps ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.success-steps li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.success-steps li svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
    flex-shrink: 0;
}

/* Modal Responsive */
@media (max-width: 640px) {
    .modal-container {
        max-height: 95vh;
        border-radius: var(--radius-lg);
    }
    
    .modal-content {
        padding: var(--spacing-xl);
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-close {
        top: var(--spacing-md);
        right: var(--spacing-md);
        width: 36px;
        height: 36px;
    }
    
    .modal-close svg {
        width: 18px;
        height: 18px;
    }
    
    .modal-success {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    .modal-success .success-icon {
        width: 64px;
        height: 64px;
    }
    
    .modal-success .success-icon svg {
        width: 28px;
        height: 28px;
    }
}