/**
 * Atelier Labs Landing Page - Stylesheet
 * Enterprise automation at startup prices
 */

/* ============================================================================
   CSS Variables & Design System
   ========================================================================= */

:root {
    /* Colors - Primary Palette */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #0ea5e9;
    --color-secondary-dark: #0284c7;
    --color-secondary-light: #38bdf8;
    --color-accent: #10b981;
    --color-accent-dark: #059669;
    --color-accent-light: #34d399;

    /* Grayscale */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    --color-black: #000000;

    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* 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: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

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

    /* Z-index */
    --z-navbar: 1000;
    --z-mobile-menu: 999;
    --z-fab: 998;
    --z-modal: 2000;
}

/* ============================================================================
   Reset & Base Styles
   ========================================================================= */

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

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* ============================================================================
   Typography
   ========================================================================= */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

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

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

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

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

/* ============================================================================
   Container & Layout
   ========================================================================= */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

section {
    padding: var(--spacing-4xl) 0;
    scroll-margin-top: 100px;
}

/* ============================================================================
   Utilities
   ========================================================================= */

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-4xl);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-top: var(--spacing-md);
}

/* ============================================================================
   Buttons
   ========================================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
}

.btn-outline {
    color: var(--color-gray-700);
    background: transparent;
    border: 2px solid var(--color-gray-300);
}

.btn-outline:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.05);
}

.btn-ghost {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
}

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

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ============================================================================
   Navigation
   ========================================================================= */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-navbar);
    transition: all var(--transition-base);
    padding: 1rem 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: 0.75rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    margin-right: 3rem;
}

.logo-img {
    height: 70px;
    width: auto;
    transition: var(--transition-fast);
}

.logo-white {
    display: block;
}

.logo-color {
    display: none;
}

.navbar.scrolled .logo-white {
    display: none;
}

.navbar.scrolled .logo-color {
    display: block;
}

.navbar.scrolled .logo-img {
    height: 65px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-right: 2rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.9);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.navbar.scrolled .nav-links a {
    color: var(--color-gray-700);
}

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

.navbar.scrolled .nav-links a:hover {
    color: var(--color-primary);
}

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

.nav-actions .btn-outline {
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.3);
}

.nav-actions .btn-outline:hover {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.navbar.scrolled .nav-actions .btn-outline {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.navbar.scrolled .nav-actions .btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--color-white);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.navbar.scrolled .lang-toggle {
    background: var(--color-gray-100);
    border-color: var(--color-gray-300);
    color: var(--color-gray-700);
}

.lang-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

.navbar.scrolled .lang-toggle:hover {
    background: var(--color-gray-200);
}

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

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-base);
}

.navbar.scrolled .mobile-toggle span {
    background: var(--color-gray-700);
}

/* ============================================================================
   Hero Section
   ========================================================================= */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: var(--color-white);
    overflow: hidden;
    padding-top: 120px;
}

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

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4c1d95 100%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

.floating-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    animation: float 20s infinite ease-in-out;
    opacity: 0.3;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--color-primary);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--color-secondary);
    bottom: 20%;
    right: 10%;
    animation-delay: 5s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: var(--color-accent);
    top: 50%;
    left: 50%;
    animation-delay: 10s;
}

.shape-4 {
    width: 350px;
    height: 350px;
    background: #8b5cf6;
    bottom: 10%;
    left: 20%;
    animation-delay: 15s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero-content {
    max-width: 900px;
    text-align: center;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-2xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero-description {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

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

.hero-stats {
    display: flex;
    gap: var(--spacing-3xl);
    justify-content: center;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.stat-icon {
    font-size: var(--font-size-3xl);
    color: var(--color-accent);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================================================
   About Section
   ========================================================================= */

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

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

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

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.about-card-highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
}

.about-card-highlight h3,
.about-card-highlight p {
    color: var(--color-white);
}

.about-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-3xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.about-card-highlight .about-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

/* ============================================================================
   Services Section
   ========================================================================= */

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

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

.service-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-lg);
    font-size: var(--font-size-2xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.service-card h3 {
    margin-bottom: var(--spacing-md);
}

.service-card p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

.service-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.service-features li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-gray-700);
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

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

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

/* ============================================================================
   IA Engine Spotlight Section
   ========================================================================= */

.ia-engine-spotlight {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4c1d95 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.ia-engine-spotlight::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

.spotlight-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

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

.spotlight-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-2xl);
}

.spotlight-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.benefit {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.benefit i {
    font-size: var(--font-size-2xl);
    color: var(--color-accent);
    flex-shrink: 0;
}

.benefit h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.benefit p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    margin: 0;
}

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

.spotlight-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    width: 100%;
    max-width: 500px;
}

.spotlight-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.spotlight-card-header i {
    font-size: var(--font-size-2xl);
    color: var(--color-accent);
}

.spotlight-card-header span {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.spotlight-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.spotlight-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
}

.spotlight-stat i {
    font-size: var(--font-size-xl);
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.spotlight-stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-white);
}

.spotlight-stat-label {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.spotlight-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: rgba(255, 255, 255, 0.9);
}

.spotlight-feature i {
    color: var(--color-accent);
    font-size: var(--font-size-lg);
}

/* ============================================================================
   Why Us Section
   ========================================================================= */

.why-us {
    background: var(--color-gray-50);
}

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

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

.why-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.why-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.why-card h3 {
    margin-bottom: var(--spacing-md);
}

.why-card p {
    color: var(--color-gray-600);
    margin: 0;
}

/* ============================================================================
   Process Section
   ========================================================================= */

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-3xl);
}

.process-step {
    position: relative;
    text-align: center;
}

.step-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-lg);
}

.step-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
    font-size: var(--font-size-3xl);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.step-content h3 {
    margin-bottom: var(--spacing-md);
}

.step-content p {
    color: var(--color-gray-600);
    margin: 0;
}

/* ============================================================================
   Contact Section
   ========================================================================= */

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

.contact-info h2 {
    margin-bottom: var(--spacing-lg);
}

.contact-info p {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2xl);
}

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

.contact-detail {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.contact-detail i {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: var(--spacing-xs);
}

.contact-detail h4 {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-lg);
}

.contact-detail p,
.contact-detail a {
    color: var(--color-gray-600);
    margin: 0;
}

.contact-cnpj {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.contact-form-wrapper {
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

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

.form-group label {
    font-weight: 600;
    color: var(--color-gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.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(99, 102, 241, 0.1);
}

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

.form-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.form-message.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
    border: 1px solid var(--color-error);
}

/* ============================================================================
   Footer
   ========================================================================= */

.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

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

.footer-col:first-child {
    padding-right: var(--spacing-2xl);
}

.footer-logo {
    height: 90px;
    width: auto;
    margin-bottom: var(--spacing-lg);
    display: block;
}

.footer-col p {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.footer-company-info {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-800);
}

.footer-company-info p {
    margin-bottom: var(--spacing-xs);
}

.footer-col h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-800);
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    margin: 0;
    font-size: var(--font-size-sm);
}

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

.footer-email a {
    color: var(--color-gray-400);
}

/* ============================================================================
   Mobile Language FAB
   ========================================================================= */

.mobile-lang-fab {
    display: none;
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: var(--z-fab);
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    border: none;
    box-shadow: var(--shadow-xl);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-base);
}

.mobile-lang-fab:hover {
    transform: scale(1.1);
}

.mobile-lang-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* ============================================================================
   Animations
   ========================================================================= */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.aos-animate {
    animation: fadeInUp 0.6s ease-out;
}

/* ============================================================================
   Responsive Design
   ========================================================================= */

@media (max-width: 1024px) {
    .spotlight-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .spotlight-visual {
        order: -1;
    }

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

@media (max-width: 768px) {
    section {
        padding: var(--spacing-3xl) 0;
    }

    .nav-links {
        position: fixed;
        top: 120px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-white);
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        transition: all var(--transition-base);
        pointer-events: none;
        z-index: var(--z-mobile-menu);
        gap: 1rem;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-links a {
        color: var(--color-gray-700);
    }

    .nav-actions {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .mobile-lang-fab {
        display: flex;
    }

    .logo-img {
        height: 60px;
    }

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

    .hero-stats {
        gap: var(--spacing-xl);
    }

    .about-content,
    .services-grid,
    .why-us-grid,
    .process-steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .spotlight-stats {
        grid-template-columns: 1fr;
    }

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

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

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

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .btn-lg {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }

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