/* ===================================
   TAKTIS - Premium AI Agency Website
   Design: Dark, Futuristic, Premium
   =================================== */

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

:root {
    /* Dark Theme Colors (Default) */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #13131a;
    --color-bg-surface: rgba(255, 255, 255, 0.05);
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #6b7280;
    --color-accent-primary: #6366f1;
    --color-accent-secondary: #06b6d4;
    --color-success: #10b981;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-cta: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
    --gradient-text: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    /* Typography */
    --font-heading: 'Space Grotesk', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Transitions */
    --transition-fast: 200ms ease-out;
    --transition-base: 300ms ease-out;
    --transition-slow: 500ms ease-out;
    
    /* Z-index */
    --z-header: 1000;
    --z-mobile-menu: 999;
    --z-modal: 2000;
}

/* Light Theme */
[data-theme="light"] {
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8f9fa;
    --color-bg-surface: rgba(0, 0, 0, 0.03);
    --color-text-primary: #1a1a1f;
    --color-text-secondary: #4a5568;
    --color-text-muted: #9ca3af;
    
    /* Keep accent colors same for consistency */
    --color-accent-primary: #6366f1;
    --color-accent-secondary: #06b6d4;
    --color-success: #10b981;
    
    /* Adjust shadows for light theme */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.2);
}

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

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

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

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 1.875rem);
}

p {
    font-size: 1.125rem;
    line-height: 1.7;
}

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

ul {
    list-style: none;
}

/* === Container === */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-lg);
    }
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-cta);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid transparent;
    background-image: linear-gradient(var(--color-bg-primary), var(--color-bg-primary)), var(--gradient-cta);
    background-origin: border-box;
    background-clip: padding-box, border-box;
}

.btn-secondary:hover {
    background-image: var(--gradient-cta), var(--gradient-cta);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-ghost:hover {
    background: var(--color-bg-surface);
    color: var(--color-text-primary);
}

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

/* === Light Theme Specific Adjustments === */
[data-theme="light"] .header {
    background: rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .header.scrolled {
    background: rgba(255, 255, 255, 0.95);
}

[data-theme="light"] .nav {
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .dashboard-mockup,
[data-theme="light"] .value-card,
[data-theme="light"] .pain-card,
[data-theme="light"] .solution-card,
[data-theme="light"] .case-card,
[data-theme="light"] .testimonial-card,
[data-theme="light"] .faq-item {
    background: var(--color-bg-surface);
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .mockup-header {
    background: rgba(99, 102, 241, 0.15);
}

[data-theme="light"] .mockup-chart {
    background: rgba(6, 182, 212, 0.15);
}

[data-theme="light"] .stat-card {
    background: rgba(99, 102, 241, 0.08);
    border-color: rgba(0, 0, 0, 0.05);
}

/* === Header === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* === Logo === */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.logo a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-cta);
    padding: 2px;
    transition: all var(--transition-base);
    position: relative;
}

.logo a::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--gradient-cta);
    opacity: 0;
    filter: blur(8px);
    transition: opacity var(--transition-base);
}

.logo a:hover {
    transform: scale(1.08) rotate(5deg);
}

.logo a:hover::before {
    opacity: 0.6;
}

.logo a:active {
    transform: scale(0.95);
}

.logo img {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--color-bg-primary);
    padding: 8px;
    object-fit: contain;
    position: relative;
    z-index: 1;
}

[data-theme="light"] .logo img {
    background: #ffffff;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

@media (max-width: 767px) {
    .logo-text {
        display: none;
    }
}

.nav-list {
    display: flex;
    gap: var(--space-xl);
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.btn-cta {
    display: none;
}

@media (min-width: 1024px) {
    .btn-cta {
        display: inline-flex;
    }
}

/* === Theme Toggle === */
.theme-toggle {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    margin-left: var(--space-md);
}

[data-theme="light"] .theme-toggle {
    border-color: rgba(0, 0, 0, 0.1);
}

.theme-toggle:hover {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle svg {
    position: absolute;
    color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.theme-toggle:hover svg {
    color: #ffffff;
}

/* Show sun icon in dark theme, moon icon in light theme */
.sun-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.moon-icon {
    opacity: 0;
    transform: rotate(180deg) scale(0);
}

[data-theme="light"] .sun-icon {
    opacity: 0;
    transform: rotate(-180deg) scale(0);
}

[data-theme="light"] .moon-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

@media (max-width: 1023px) {
    .theme-toggle {
        margin-left: 0;
        margin-right: var(--space-md);
    }
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

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

@media (max-width: 1023px) {
    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(12px);
        padding: var(--space-xl);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .btn-cta {
        display: none;
    }
}

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

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.hero-title {
    margin-bottom: var(--space-lg);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

.hero-values {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.value-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--color-text-secondary);
}

.value-icon {
    color: var(--color-accent-primary);
    flex-shrink: 0;
}

.hero-cta {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

/* Hero Visual */
.dashboard-mockup {
    background: var(--color-bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    backdrop-filter: blur(12px);
}

.mockup-placeholder {
    aspect-ratio: 4/3;
}

.mockup-header {
    height: 56px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
    position: relative;
    cursor: pointer;
    transition: all var(--transition-base);
    overflow: hidden;
}

.mockup-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-cta);
    opacity: 0;
    transition: opacity var(--transition-base);
    border-radius: var(--radius-sm);
}

.mockup-header:hover::before {
    opacity: 0.15;
}

.mockup-header:hover {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
    transform: translateY(-2px);
}

.mockup-header-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 0 var(--space-lg);
    height: 100%;
}

.mockup-logo {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mockup-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.125rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mockup-chart {
    height: 200px;
    background: rgba(6, 182, 212, 0.1);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
    position: relative;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.mockup-chart::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-cta);
    opacity: 0;
    transition: opacity var(--transition-base);
    border-radius: var(--radius-sm);
}

.mockup-chart:hover::before {
    opacity: 0.1;
}

.mockup-chart:hover {
    box-shadow: 0 0 24px rgba(6, 182, 212, 0.4);
    transform: translateY(-2px);
}

.chart-label {
    position: relative;
    z-index: 1;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.chart-bars {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    flex: 1;
    gap: var(--space-sm);
}

.chart-bar {
    flex: 1;
    background: var(--gradient-cta);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    min-height: 20px;
    transition: all var(--transition-base);
}

.mockup-chart:hover .chart-bar {
    filter: brightness(1.2);
}

.mockup-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.stat-card {
    background: rgba(99, 102, 241, 0.05);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-base);
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-cta);
    opacity: 0;
    transition: opacity var(--transition-base);
    border-radius: var(--radius-sm);
}

.stat-card:hover::before {
    opacity: 0.1;
}

.stat-card:hover {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
    transform: translateY(-4px) scale(1.05);
    border-color: rgba(99, 102, 241, 0.3);
}

.stat-icon {
    position: relative;
    z-index: 1;
    font-size: 1.5rem;
}

.stat-value {
    position: relative;
    z-index: 1;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    position: relative;
    z-index: 1;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 1023px) {
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero-right {
        order: -1;
    }
}

/* === Social Proof === */
.social-proof {
    padding: var(--space-3xl) 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.social-proof-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.logo-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
}

.client-logo {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 1.125rem;
}

/* === Value Proposition === */
.values {
    padding: var(--space-4xl) 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
}

.value-card {
    background: var(--color-bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    backdrop-filter: blur(12px);
    transition: all var(--transition-base);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
    border-color: rgba(99, 102, 241, 0.3);
}

.value-card-icon {
    margin-bottom: var(--space-lg);
}

.value-card-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.value-card-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.value-card-stat {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-accent-secondary);
    font-size: 1.125rem;
}

/* === Pain Points === */
.pain-points {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-secondary);
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1.25rem;
    margin-bottom: var(--space-3xl);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

/* Force 3-column layout on desktop for tidy 3-3 formation */
@media (min-width: 1024px) {
    .pain-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pain-card {
    background: var(--color-bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.pain-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

.pain-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

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

.pain-cta {
    text-align: center;
    margin-top: var(--space-3xl);
}

/* === Solutions === */
.solutions {
    padding: var(--space-4xl) 0;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-2xl);
}

.solution-card {
    background: var(--color-bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
}

.solution-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-md);
}

.solution-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
}

.solution-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
}

.solution-features {
    margin-bottom: var(--space-lg);
}

.solution-features li {
    color: var(--color-text-secondary);
    padding: var(--space-sm) 0;
    padding-left: var(--space-lg);
    position: relative;
}

.solution-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
}

.solution-link {
    color: var(--color-accent-secondary);
    font-weight: 600;
    transition: color var(--transition-fast);
}

.solution-link:hover {
    color: var(--color-accent-primary);
}

/* === Process === */
.process {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-secondary);
}

.process-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.process-step {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-cta);
    color: var(--color-text-primary);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.step-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.process-arrow {
    font-size: 2rem;
    color: var(--color-accent-primary);
}

@media (max-width: 768px) {
    .process-arrow {
        transform: rotate(90deg);
    }
}

/* === Case Studies === */
.case-studies {
    padding: var(--space-4xl) 0;
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.case-card {
    background: var(--color-bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
}

.case-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-lg);
}

.case-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(99, 102, 241, 0.2);
    color: var(--color-accent-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.case-title {
    font-size: 1.75rem;
    margin-bottom: var(--space-lg);
}

.case-section {
    margin-bottom: var(--space-lg);
}

.case-section h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.05em;
}

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

.case-results {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.case-results li {
    color: var(--color-text-secondary);
    font-size: 1rem;
}

.case-results strong {
    color: var(--color-success);
    font-size: 1.125rem;
}

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

/* === Testimonials === */
.testimonials {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
}

.testimonial-card {
    background: var(--color-bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-cta);
    color: var(--color-text-primary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.testimonial-text {
    color: var(--color-text-secondary);
    font-style: italic;
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.author-name {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
}

.author-role {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

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

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

.faq-item {
    background: var(--color-bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl);
    background: none;
    border: none;
    color: var(--color-text-primary);
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

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

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

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

.faq-answer p {
    padding: 0 var(--space-xl) var(--space-xl);
    color: var(--color-text-secondary);
    font-size: 1rem;
}

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

/* === Final CTA === */
.final-cta {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-secondary);
}

.final-cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.final-cta-title {
    margin-bottom: var(--space-lg);
}

.final-cta-subtitle {
    color: var(--color-text-secondary);
    font-size: 1.25rem;
    margin-bottom: var(--space-2xl);
}

.final-cta-buttons {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
}

.final-cta-trust {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.trust-stars {
    color: #fbbf24;
    font-size: 1.5rem;
}

.final-cta-trust p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* === Footer === */
.footer {
    padding: var(--space-4xl) 0 var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-title {
    font-size: 1.125rem;
    margin-bottom: var(--space-lg);
}

.footer-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    font-size: 0.95rem;
}

.footer-logo {
    margin-top: var(--space-lg);
}

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

.footer-links a,
.footer-contact a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    font-size: 0.95rem;
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-accent-secondary);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.footer-contact li {
    font-size: 0.95rem;
}

.footer-contact strong {
    color: var(--color-text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    flex-wrap: wrap;
    gap: var(--space-lg);
}

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

.footer-legal a {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

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

.footer-copyright {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* === Animations === */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

[data-animate] {
    opacity: 0;
    transform: translateY(30px);
}

[data-animate].animate-in {
    animation: fadeUp 0.6s ease-out forwards;
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    [data-animate] {
        opacity: 1;
        transform: none;
    }
}

/* === Responsive Adjustments === */
@media (max-width: 768px) {
    .hero {
        padding: calc(80px + var(--space-2xl)) 0 var(--space-2xl);
        min-height: auto;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .process-steps {
        flex-direction: column;
    }
    
    .final-cta-buttons {
        flex-direction: column;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* === WhatsApp Contact Form Modal === */
.whatsapp-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 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(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.whatsapp-modal-content {
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-base);
}

[data-theme="light"] .whatsapp-modal-content {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.1);
}

.whatsapp-modal.active .whatsapp-modal-content {
    transform: scale(1) translateY(0);
}

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

[data-theme="light"] .whatsapp-modal-header {
    border-bottom-color: rgba(0, 0, 0, 0.1);
}

.whatsapp-modal-header h3 {
    font-size: 1.5rem;
    margin: 0;
}

.whatsapp-modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--color-text-primary);
}

[data-theme="light"] .whatsapp-modal-close {
    border-color: rgba(0, 0, 0, 0.1);
}

.whatsapp-modal-close:hover {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: #ffffff;
    transform: rotate(90deg);
}

.whatsapp-modal-body {
    padding: var(--space-xl);
}

.modal-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    font-size: 1rem;
}

.whatsapp-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text-primary);
}

.form-group .required {
    color: #ef4444;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    background: var(--color-bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

/* Fix select dropdown options color in dark theme */
.form-group select {
    color-scheme: dark;
}

.form-group select option {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

[data-theme="light"] .form-group select {
    color-scheme: light;
}

[data-theme="light"] .form-group select option {
    background: #ffffff;
    color: var(--color-text-primary);
}

[data-theme="light"] .form-group input,
[data-theme="light"] .form-group select,
[data-theme="light"] .form-group textarea {
    background: #f9fafb;
    border-color: rgba(0, 0, 0, 0.1);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

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

.btn-submit {
    width: 100%;
    margin-top: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    .whatsapp-modal {
        padding: var(--space-md);
    }
    
    .whatsapp-modal-content {
        max-height: 95vh;
    }
    
    .whatsapp-modal-header,
    .whatsapp-modal-body {
        padding: var(--space-lg);
    }
}

/* === Floating WhatsApp Button === */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 64px;
    height: 64px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4), 0 8px 32px rgba(0, 0, 0, 0.3);
    z-index: 999;
    transition: all var(--transition-base);
    color: white;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6), 0 12px 48px rgba(0, 0, 0, 0.4);
    background: #20BA5A;
}

.whatsapp-float:active {
    transform: scale(1.05);
}

.whatsapp-float svg {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* Animation on page load */
@keyframes whatsappPulse {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4), 0 8px 32px rgba(0, 0, 0, 0.3);
    }
    50% {
        box-shadow: 0 4px 16px rgba(37, 211, 102, 0.6), 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 0 8px rgba(37, 211, 102, 0.2);
    }
}

.whatsapp-float {
    animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    animation: none;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 16px;
        right: 16px;
        width: 56px;
        height: 56px;
    }
    
    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}

/* Prevent overlap with footer on small screens */
@media (max-height: 600px) {
    .whatsapp-float {
        bottom: 80px;
    }
}

/* === Utility Classes === */
.text-center {
    text-align: center;
}

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