/* ========================================
   NABÚ — nabu.me — Design System
   Based on MonAi visual language
   ======================================== */

/* CSS Variables / Design System — NabuDesk palette */
:root {
    /* Colors — NabuDesk Light Default theme */
    --color-primary: #34A953;
    --color-primary-light: #dcfce7;
    --color-primary-dark: #2d9348;
    --color-dark: #1e293b;
    --color-body: #1e293b;
    --color-muted: #64748b;
    --color-light: #94a3b8;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-surface: #ffffff;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    --color-accent-green: #dcfce7;
    --color-accent-blue: #dbeafe;
    --color-accent-lavender: #f0fdf4;
    --color-nav-bg: #1e293b;
    --color-nav-text: #f8fafc;
    --color-nav-text-muted: #94a3b8;
    --gradient-primary: linear-gradient(135deg, #34A953 0%, #2d9348 100%);

    /* Typography */
    --font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

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

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

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

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Layout */
    --container-max: 1200px;
    --nav-height: 72px;
}

/* Fonts (self-hosted Nunito via Google Fonts) */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&display=swap');

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

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-body);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

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

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    background: var(--color-nav-bg);
    backdrop-filter: blur(0px);
    transition: background var(--transition-base), backdrop-filter var(--transition-base), box-shadow var(--transition-base);
}

.nav.scrolled {
    background: rgba(30, 41, 59, 0.97);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
}

.nav-logo-icon {
    height: 32px;
    width: auto;
}

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

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-nav-text-muted);
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

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

/* Language Selector — Dropdown with circular flags */
.lang-selector {
    position: relative;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-nav-text-muted);
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    transition: all var(--transition-fast);
    cursor: pointer;
    background: none;
}

.lang-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-nav-text);
}

.lang-flag {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
}

.lang-flag svg {
    width: 28px;
    height: 28px;
}

.lang-toggle-arrow {
    transition: transform var(--transition-fast);
}

.lang-selector.open .lang-toggle-arrow {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: 1001;
}

.lang-selector.open .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-body);
    transition: background var(--transition-fast);
    text-decoration: none;
}

.lang-option:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.lang-option:last-child {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.lang-option:hover {
    background: var(--color-bg-alt);
}

.lang-option.active {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-weight: 700;
}

.lang-option .lang-flag {
    border-color: var(--color-border);
}

.nav-cta-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-primary);
    color: #ffffff;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-fast);
    display: none;
}

.nav-cta-btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

@media (min-width: 769px) {
    .nav-cta-btn {
        display: inline-flex;
    }
}

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

.nav-hamburger span {
    width: 24px;
    height: 2px;
    background: var(--color-nav-text);
    transition: all var(--transition-fast);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    padding: var(--spacing-xl) var(--spacing-lg);
    display: none;
    flex-direction: column;
    gap: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

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

.mobile-menu-link {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-dark);
    padding: var(--spacing-sm) 0;
}

.mobile-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-primary);
    color: #ffffff;
    border-radius: var(--radius-full);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-top: var(--spacing-sm);
    transition: all var(--transition-fast);
}

.mobile-cta-btn:hover {
    background: var(--color-primary-dark);
}

.mobile-lang-toggle {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-lang-toggle .lang-option {
    color: var(--color-nav-text-muted);
    padding: 10px 0;
}

.mobile-lang-toggle .lang-option:hover {
    color: var(--color-nav-text);
    background: none;
}

.mobile-lang-toggle .lang-option.active {
    color: var(--color-nav-text);
    font-weight: 700;
    background: none;
}

.mobile-lang-toggle .lang-flag {
    border-color: rgba(255, 255, 255, 0.2);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    padding-top: calc(var(--nav-height) + var(--spacing-4xl));
    padding-bottom: var(--spacing-4xl);
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--color-bg);
    overflow: hidden;
}

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

.hero-content {
    max-width: 580px;
}

.hero-title {
    font-size: 3.75rem;
    font-weight: 900;
    line-height: 1.08;
    color: var(--color-dark);
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-lg);
}

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

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-muted);
    margin-bottom: var(--spacing-2xl);
    max-width: 500px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Hero Phone (right side) */
.hero-phone {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    perspective: 1200px;
}

.hero-phone-img {
    max-width: 600px;
    transform: rotateY(-5deg) rotateX(2deg);
    transition: transform var(--transition-slow);
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
}

.hero-phone-img:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

/* Feature Phone */
.feature-phone {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.feature-phone img,
.feature-phone video {
    max-width: 100%;
    border-radius: var(--radius-sm);
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
    border: none;
}

/* ========================================
   Buttons
   ======================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-primary);
    color: #ffffff;
    border-radius: var(--radius-full);
    font-size: var(--font-size-base);
    font-weight: 600;
    transition: all var(--transition-fast);
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: transparent;
    color: var(--color-dark);
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-full);
    font-size: var(--font-size-base);
    font-weight: 600;
    transition: all var(--transition-fast);
}

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

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

/* ========================================
   Section Headers
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-label {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-accent-green);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border-light);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-dark);
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

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

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ========================================
   Agents Section (How It Works / Steps)
   ======================================== */
.section-agents {
    padding: var(--spacing-4xl) 0;
    background: var(--color-bg-alt);
}

.agents-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--spacing-xl);
}

.agent-step {
    flex: 1;
    max-width: 320px;
    text-align: center;
    padding: var(--spacing-xl);
}

.agent-step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.agent-step-icon svg {
    width: 36px;
    height: 36px;
}

.agent-step-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.agent-step-description {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    line-height: 1.7;
}

.agents-connector {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-bg-alt) 0%, var(--color-muted) 50%, var(--color-bg-alt) 100%);
    margin-top: 80px;
    opacity: 0.3;
}

/* ========================================
   Agent Cards Grid
   ======================================== */
.agents-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.agent-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

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

.agent-card-icon {
    width: 56px;
    height: 56px;
    background: var(--color-accent-lavender);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

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

.agent-card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.agent-card-desc {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    line-height: 1.7;
}

/* ========================================
   Feature Cards (2-column alternating)
   ======================================== */
.section-features {
    padding: var(--spacing-4xl) 0;
}

.feature-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    padding: var(--spacing-3xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: 20px;
    margin-bottom: var(--spacing-2xl);
    transition: all var(--transition-base);
}

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

.feature-card--reverse {
    direction: rtl;
}

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

.feature-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-dark);
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

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

.feature-description {
    font-size: var(--font-size-base);
    color: var(--color-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    position: relative;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-dark);
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-accent-green);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-list li::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 8px;
    width: 6px;
    height: 4px;
    border-left: 1.5px solid var(--color-primary-dark);
    border-bottom: 1.5px solid var(--color-primary-dark);
    transform: rotate(-45deg);
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    margin-top: var(--spacing-md);
    transition: gap var(--transition-fast);
}

.feature-link:hover {
    gap: var(--spacing-md);
}

.feature-link svg {
    width: 16px;
    height: 16px;
}

/* Image captions */
.feature-caption {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    margin-top: var(--spacing-md);
    font-style: italic;
    line-height: 1.5;
}

.hero-caption {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    margin-top: var(--spacing-sm);
    font-style: italic;
}

/* Section mini-CTA */
.section-mini-cta {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

.section-mini-cta .btn-primary {
    font-size: var(--font-size-sm);
}

/* Feature visual placeholder */
.feature-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

/* ========================================
   Modules Grid (Shortcuts style)
   ======================================== */
.section-modules {
    padding: var(--spacing-4xl) 0;
    background: var(--color-bg-alt);
}

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

.module-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

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

.module-card-icon {
    width: 56px;
    height: 56px;
    background: var(--color-accent-lavender);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

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

.module-card-name {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-dark);
}

/* ========================================
   Integrations Grid
   ======================================== */
.section-integrations {
    padding: var(--spacing-4xl) 0;
}

.integrations-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

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

.integration-item:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-alt);
}

.integration-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    flex-shrink: 0;
}

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

.integration-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-dark);
}

/* ========================================
   Industries Grid
   ======================================== */
.section-industries {
    padding: var(--spacing-4xl) 0;
    background: var(--color-bg-alt);
}

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

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

.industry-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.industry-card-icon {
    width: 56px;
    height: 56px;
    background: var(--color-accent-lavender);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

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

.industry-card-content {
    flex: 1;
    min-width: 0;
}

.industry-card-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 2px;
}

.industry-card-desc {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    line-height: 1.5;
}

.industry-card-arrow {
    color: var(--color-primary);
    opacity: 0;
    transform: translateX(-8px);
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.industry-card-arrow svg {
    width: 20px;
    height: 20px;
}

.industry-card:hover .industry-card-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ========================================
   CTA Section
   ======================================== */
.section-cta {
    padding: var(--spacing-4xl) 0;
    text-align: center;
    background: var(--color-bg-alt);
}

.cta-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-dark);
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

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

.cta-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-muted);
    line-height: 1.6;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-nav-bg);
    border-top: 1px solid #334155;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    color: var(--color-nav-text-muted);
}

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

.footer-brand {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-nav-text);
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: var(--color-nav-text-muted);
    max-width: 240px;
    line-height: 1.6;
}

.footer-heading {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-nav-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-lg);
}

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

.footer-link {
    font-size: var(--font-size-sm);
    color: var(--color-nav-text-muted);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-nav-text);
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--color-nav-text-muted);
}

/* ========================================
   FAQ Section
   ======================================== */
.section-faq {
    padding: var(--spacing-4xl) 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-xl) 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-dark);
    text-align: left;
    cursor: pointer;
    background: none;
    border: none;
    font-family: inherit;
}

.faq-icon {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    transition: transform var(--transition-base);
    flex-shrink: 0;
    margin-left: var(--spacing-md);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: var(--spacing-xl);
}

.faq-answer p {
    font-size: var(--font-size-base);
    color: var(--color-muted);
    line-height: 1.7;
}

/* ========================================
   Breadcrumb (Industry pages)
   ======================================== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    margin-bottom: var(--spacing-xl);
    padding-top: calc(var(--nav-height) + var(--spacing-xl));
}

.breadcrumb a {
    color: var(--color-muted);
    transition: color var(--transition-fast);
}

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

.breadcrumb-sep {
    opacity: 0.5;
}

/* ========================================
   Industry Page Hero
   ======================================== */
.hero--industry {
    min-height: auto;
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-3xl);
}

.hero--industry .hero-title {
    font-size: var(--font-size-4xl);
}

/* Industry color variants */
.hero--healthcare { --industry-color: #10B981; }
.hero--real-estate { --industry-color: #F59E0B; }
.hero--retail { --industry-color: #EF4444; }
.hero--professional-services { --industry-color: #34A953; }
.hero--education { --industry-color: #7c3aed; }
.hero--manufacturing { --industry-color: #F97316; }
.hero--technology { --industry-color: #22D3EE; }
.hero--hospitality { --industry-color: #EC4899; }
.hero--logistics { --industry-color: #14B8A6; }
.hero--finance { --industry-color: #3B82F6; }

/* Pain Points */
.pain-points {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.pain-point {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

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

.pain-point-icon {
    width: 56px;
    height: 56px;
    background: var(--color-accent-lavender);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

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

.pain-point-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.pain-point-desc {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    line-height: 1.6;
}

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

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

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

/* ========================================
   Contact Form
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

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

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

.contact-info-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: var(--radius-md);
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.contact-info-text h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-body);
    margin-bottom: 4px;
}

.contact-info-text p {
    color: var(--color-muted);
    font-size: var(--font-size-base);
    line-height: 1.6;
}

.contact-form {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
}

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

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-body);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-body);
    background: var(--color-bg);
    transition: border-color var(--transition-base);
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(52, 169, 83, 0.1);
}

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

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

.form-submit {
    margin-top: var(--spacing-lg);
}

.form-submit .btn-primary {
    width: 100%;
    text-align: center;
    cursor: pointer;
    border: none;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 700;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .agents-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .modules-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .feature-card {
        grid-template-columns: 1fr;
        padding: var(--spacing-2xl);
    }
    .feature-card--reverse {
        direction: ltr;
    }
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content {
        max-width: 600px;
        margin: 0 auto;
    }
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-phone-img {
        max-width: 400px;
        transform: none;
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
    }

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

    .nav-links {
        display: none;
    }

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

    .nav-hamburger {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--nav-height) + var(--spacing-2xl));
        padding-bottom: var(--spacing-2xl);
    }

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

    .agents-steps {
        flex-direction: column;
        align-items: center;
    }

    .agents-connector {
        width: 2px;
        height: 30px;
        background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-muted) 50%, var(--color-bg-alt) 100%);
        margin: 0;
    }

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

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

    .pain-points {
        grid-template-columns: 1fr;
    }

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

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

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

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

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

    .hero-phone-img {
        max-width: 280px;
    }

    .modules-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }
}