/**
 * Soft Exchange - Styles
 * Design System: Tech-Forward, Enterprise-Grade
 * 
 * Cores: Azul profundo + Ciano/Verde vibrante
 * Tipografia: Plus Jakarta Sans (display) + JetBrains Mono (code)
 */

/* ===== 1. CSS VARIABLES ===== */
:root {
    /* Primary Colors */
    --primary-cyan: #00D4AA;
    --primary-blue: #0066FF;
    --primary-gradient: linear-gradient(135deg, var(--primary-cyan) 0%, var(--primary-blue) 100%);
    
    /* Dark Theme Colors */
    --dark-900: #0A0E17;
    --dark-800: #0F1422;
    --dark-700: #151B2B;
    --dark-600: #1C2436;
    --dark-500: #252D42;
    
    /* Light Colors */
    --light-100: #FFFFFF;
    --light-200: #F8FAFC;
    --light-300: #E2E8F0;
    --light-400: #CBD5E1;
    --light-500: #94A3B8;
    --light-600: #64748B;
    
    /* Semantic Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    
    /* Typography */
    --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* 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), 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);
    --shadow-glow: 0 0 40px rgba(0, 212, 170, 0.15);
    --shadow-glow-blue: 0 0 40px rgba(0, 102, 255, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: var(--space-6);
}

/* ===== 2. RESET & BASE ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-display);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--dark-800);
    background-color: var(--light-100);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-900);
}

/* ===== 3. LAYOUT ===== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

section {
    padding: var(--space-20) 0;
}

/* ===== 4. TYPOGRAPHY ===== */
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-cyan);
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, rgba(0, 102, 255, 0.1) 100%);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-12);
}

.section-title {
    font-size: clamp(var(--text-3xl), 5vw, var(--text-4xl));
    font-weight: 800;
    margin-bottom: var(--space-4);
    color: var(--dark-900);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--light-600);
    max-width: 600px;
    margin: 0 auto;
}

.section-text {
    font-size: var(--text-lg);
    color: var(--light-600);
    margin-bottom: var(--space-6);
}

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

/* ===== 5. BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-weight: 600;
    font-size: var(--text-sm);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn-primary {
    background: var(--primary-gradient);
    color: var(--light-100);
    box-shadow: 0 4px 14px rgba(0, 212, 170, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 170, 0.4);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: var(--light-100);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-full {
    width: 100%;
}

/* ===== 6. HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-base);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
}

.header.scrolled .logo-text,
.header.scrolled .nav-links a {
    color: var(--dark-800);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-mark svg {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-size: var(--text-xl);
    font-weight: 400;
    color: var(--light-100);
    transition: color var(--transition-base);
}

.logo-text strong {
    font-weight: 700;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-links a {
    font-weight: 500;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav-links a:hover {
    color: var(--light-100);
}

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

.header-cta {
    display: flex;
    gap: var(--space-3);
}

.menu-toggle {
    display: none;
    padding: var(--space-2);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--light-100);
    position: relative;
    transition: background var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--light-100);
    transition: all var(--transition-fast);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.header.scrolled .hamburger,
.header.scrolled .hamburger::before,
.header.scrolled .hamburger::after {
    background: var(--dark-800);
}

.menu-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.menu-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.menu-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

.mobile-cta {
    display: none;
}

/* ===== 7. HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--dark-900);
    overflow: hidden;
    padding-top: 100px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
}

.hero-glow-1 {
    width: 600px;
    height: 600px;
    background: var(--primary-cyan);
    top: -200px;
    right: -100px;
    opacity: 0.15;
}

.hero-glow-2 {
    width: 500px;
    height: 500px;
    background: var(--primary-blue);
    bottom: -150px;
    left: -100px;
    opacity: 0.15;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary-cyan);
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
    font-weight: 800;
    line-height: 1.1;
    color: var(--light-100);
    margin-bottom: var(--space-6);
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--light-500);
    margin-bottom: var(--space-8);
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--light-100);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--light-500);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 500px;
}

.hero-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
}

.hero-card-main {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 380px;
    padding: var(--space-6);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(-50%, -50%) translateY(0); }
    50% { transform: translate(-50%, -50%) translateY(-20px); }
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.card-dots {
    display: flex;
    gap: 6px;
}

.card-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--light-500);
    opacity: 0.3;
}

.card-dots span:first-child { background: #EF4444; opacity: 1; }
.card-dots span:nth-child(2) { background: #F59E0B; opacity: 1; }
.card-dots span:last-child { background: #10B981; opacity: 1; }

.card-title {
    font-size: var(--text-sm);
    color: var(--light-400);
    font-weight: 500;
}

.card-metric {
    display: flex;
    align-items: baseline;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.metric-label {
    font-size: var(--text-sm);
    color: var(--light-500);
}

.metric-value {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--light-100);
}

.metric-trend {
    font-size: var(--text-sm);
    font-weight: 600;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
}

.metric-trend.positive {
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.card-chart {
    height: 60px;
}

.card-chart svg {
    width: 100%;
    height: 100%;
}

.hero-card-float {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    min-width: 180px;
}

.hero-card-1 {
    top: 20%;
    left: 0;
    animation: float-1 8s ease-in-out infinite;
}

.hero-card-2 {
    bottom: 20%;
    right: 0;
    animation: float-2 7s ease-in-out infinite;
}

@keyframes float-1 {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-15px) rotate(2deg); }
}

@keyframes float-2 {
    0%, 100% { transform: translateY(0) rotate(2deg); }
    50% { transform: translateY(-12px) rotate(-2deg); }
}

.float-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
}

.float-icon svg {
    width: 22px;
    height: 22px;
    color: var(--light-100);
}

.float-icon.cloud {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #8B5CF6 100%);
}

.float-content {
    display: flex;
    flex-direction: column;
}

.float-label {
    font-size: var(--text-xs);
    color: var(--light-500);
}

.float-value {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--light-100);
}

/* ===== 8. TRUST BAR ===== */
.trust-bar {
    background: var(--dark-800);
    padding: var(--space-8) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.trust-label {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--light-500);
    margin-bottom: var(--space-6);
}

.trust-logos {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.logos-track {
    display: flex;
    gap: var(--space-8);
    width: max-content;
    animation: scroll-logos 40s linear infinite;
}

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

.logo-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-6);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.logo-item span {
    font-weight: 700;
    font-size: var(--text-lg);
    color: var(--light-400);
    white-space: nowrap;
}

.logo-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(0, 212, 170, 0.3);
}

.logo-item:hover span {
    color: var(--light-100);
}

/* ===== 9. SOLUTIONS ===== */
.solutions {
    background: var(--light-200);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.solution-card {
    position: relative;
    background: var(--light-100);
    border: 1px solid var(--light-300);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.solution-card:hover::before {
    opacity: 1;
}

.solution-card.featured {
    border-color: var(--primary-cyan);
    box-shadow: var(--shadow-glow);
}

.solution-card.featured::before {
    opacity: 1;
}

.solution-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--primary-cyan);
    background: rgba(0, 212, 170, 0.1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
}

.solution-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
}

.solution-icon svg {
    width: 28px;
    height: 28px;
    color: var(--light-100);
}

.solution-content h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.solution-content p {
    font-size: var(--text-sm);
    color: var(--light-600);
    margin-bottom: var(--space-4);
    flex-grow: 1;
}

.solution-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.solution-tags li {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--light-600);
    background: var(--light-200);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
}

.solution-brands {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding-top: var(--space-4);
    border-top: 1px solid var(--light-300);
}

.solution-brands span {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--light-500);
}

/* Animation */
.solution-card {
    opacity: 0;
    transform: translateY(30px);
}

.solution-card.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

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

/* Stagger animation */
.solution-card:nth-child(1) { animation-delay: 0.1s; }
.solution-card:nth-child(2) { animation-delay: 0.2s; }
.solution-card:nth-child(3) { animation-delay: 0.3s; }
.solution-card:nth-child(4) { animation-delay: 0.4s; }
.solution-card:nth-child(5) { animation-delay: 0.5s; }
.solution-card:nth-child(6) { animation-delay: 0.6s; }

/* ===== 10. VENDORS ===== */
.vendors {
    background: var(--light-100);
}

.vendors-categories {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-10);
    flex-wrap: wrap;
}

.category-btn {
    font-weight: 500;
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    color: var(--light-600);
    background: var(--light-200);
    border: 1px solid transparent;
    transition: all var(--transition-base);
}

.category-btn:hover {
    color: var(--dark-800);
    background: var(--light-300);
}

.category-btn.active {
    color: var(--light-100);
    background: var(--primary-gradient);
    border-color: transparent;
}

.vendors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-4);
}

.vendor-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    background: var(--light-200);
    border: 1px solid var(--light-300);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
}

.vendor-card.animate-in {
    animation: fadeInUp 0.4s ease forwards;
}

.vendor-card:hover {
    background: var(--light-100);
    border-color: var(--primary-cyan);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.vendor-logo {
    font-weight: 700;
    font-size: var(--text-lg);
    color: var(--dark-800);
    margin-bottom: var(--space-2);
}

.vendor-category {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--light-500);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===== 11. DIFFERENTIALS ===== */
.differentials {
    background: var(--dark-900);
    color: var(--light-100);
}

.diff-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.diff-content .section-title {
    color: var(--light-100);
}

.diff-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.diff-feature {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateX(-20px);
}

.diff-feature.animate-in {
    animation: fadeInLeft 0.5s ease forwards;
}

@keyframes fadeInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.diff-feature:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(0, 212, 170, 0.3);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--light-100);
}

.feature-text h4 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--light-100);
    margin-bottom: var(--space-1);
}

.feature-text p {
    font-size: var(--text-sm);
    color: var(--light-500);
    margin: 0;
}

/* Visual Card */
.diff-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    max-width: 400px;
}

.visual-header {
    margin-bottom: var(--space-6);
}

.visual-tag {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-cyan);
}

.visual-flow {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.flow-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.flow-item:hover {
    background: rgba(0, 212, 170, 0.1);
}

.flow-number {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--primary-cyan);
    background: rgba(0, 212, 170, 0.15);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
}

.flow-label {
    font-size: var(--text-sm);
    color: var(--light-300);
}

.flow-connector {
    width: 2px;
    height: 20px;
    background: rgba(0, 212, 170, 0.3);
    margin-left: var(--space-6);
}

/* ===== 12. PARTNERS ===== */
.partners {
    background: var(--light-200);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.partner-card {
    position: relative;
    background: var(--light-100);
    border: 1px solid var(--light-300);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.partner-card.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

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

.partner-card.featured {
    border-color: var(--primary-cyan);
    box-shadow: var(--shadow-glow);
}

.partner-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--light-100);
    background: var(--primary-gradient);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.partner-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
}

.partner-icon svg {
    width: 28px;
    height: 28px;
    color: var(--light-100);
}

.partner-card h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.partner-card p {
    font-size: var(--text-sm);
    color: var(--light-600);
    margin-bottom: var(--space-6);
}

.partner-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.partner-benefits li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--dark-700);
}

.partner-benefits li::before {
    content: '✓';
    color: var(--primary-cyan);
    font-weight: 700;
}

/* ===== 13. GOVERNMENT ===== */
.government {
    background: linear-gradient(135deg, var(--dark-900) 0%, var(--dark-700) 100%);
    color: var(--light-100);
}

.gov-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.gov-content .section-title {
    color: var(--light-100);
}

.gov-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    margin: var(--space-8) 0;
}

.gov-feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.gov-feature:hover {
    background: rgba(0, 212, 170, 0.1);
    border-color: rgba(0, 212, 170, 0.3);
}

.gov-feature svg {
    width: 24px;
    height: 24px;
    color: var(--primary-cyan);
    flex-shrink: 0;
}

.gov-feature span {
    font-size: var(--text-sm);
    font-weight: 500;
}

/* Gov Visual */
.gov-visual {
    display: flex;
    justify-content: center;
}

.gov-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    max-width: 380px;
}

.gov-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.gov-card-icon {
    font-size: var(--text-2xl);
}

.gov-card-title {
    font-weight: 700;
    font-size: var(--text-lg);
}

.gov-card-body p {
    font-size: var(--text-sm);
    color: var(--light-400);
    margin-bottom: var(--space-6);
}

.gov-checklist {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.check-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
}

.check-item svg {
    width: 20px;
    height: 20px;
    color: var(--primary-cyan);
}

/* ===== 14. TESTIMONIALS ===== */
.testimonials {
    background: var(--light-100);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.testimonial-card {
    background: var(--light-200);
    border: 1px solid var(--light-300);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.testimonial-card.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-cyan);
}

.testimonial-content {
    margin-bottom: var(--space-6);
}

.testimonial-content p {
    font-size: var(--text-base);
    font-style: italic;
    color: var(--dark-700);
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: var(--light-100);
    font-weight: 700;
    font-size: var(--text-sm);
    border-radius: var(--radius-full);
}

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

.author-name {
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--dark-900);
}

.author-role {
    font-size: var(--text-xs);
    color: var(--light-500);
}

/* ===== 15. FAQ ===== */
.faq {
    background: var(--light-200);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.faq-item {
    background: var(--light-100);
    border: 1px solid var(--light-300);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--primary-cyan);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-5) var(--space-6);
    text-align: left;
    font-weight: 600;
    font-size: var(--text-base);
    color: var(--dark-900);
    transition: color var(--transition-fast);
}

.faq-question span {
    flex: 1;
}

.faq-icon {
    width: 24px;
    height: 24px;
    color: var(--light-500);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

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

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

.faq-question[aria-expanded="true"] + .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 var(--space-6) var(--space-6);
    font-size: var(--text-sm);
    color: var(--light-600);
    line-height: 1.7;
}

/* ===== 16. CTA SECTION ===== */
.cta-section {
    background: linear-gradient(135deg, var(--dark-900) 0%, var(--dark-700) 100%);
    color: var(--light-100);
    padding: var(--space-24) 0;
}

.cta-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.cta-content .section-title {
    color: var(--light-100);
}

.cta-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--light-300);
}

.cta-feature svg {
    width: 20px;
    height: 20px;
    color: var(--primary-cyan);
}

.cta-contact {
    margin-top: var(--space-8);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--light-400);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.contact-link:hover {
    color: var(--primary-cyan);
}

.contact-link svg {
    width: 20px;
    height: 20px;
}

/* Contact Form */
.cta-form {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--light-300);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--light-100);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--light-500);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.1);
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: var(--dark-700);
    color: var(--light-100);
}

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

.form-disclaimer {
    font-size: var(--text-xs);
    color: var(--light-500);
    text-align: center;
    margin-top: var(--space-2);
}

.form-disclaimer a {
    color: var(--primary-cyan);
    text-decoration: underline;
}

.form-success {
    text-align: center;
    padding: var(--space-12);
}

.form-success svg {
    width: 64px;
    height: 64px;
    color: var(--primary-cyan);
    margin: 0 auto var(--space-4);
}

.form-success h3 {
    font-size: var(--text-xl);
    color: var(--light-100);
    margin-bottom: var(--space-2);
}

.form-success p {
    color: var(--light-400);
}

.form-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}

.form-error p {
    color: #EF4444;
    font-size: var(--text-sm);
    margin: 0;
}

/* ===== 17. FOOTER ===== */
.footer {
    background: var(--dark-900);
    color: var(--light-400);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer-logo .logo-text {
    color: var(--light-100);
}

.footer-desc {
    font-size: var(--text-sm);
    line-height: 1.7;
    margin-bottom: var(--space-6);
    max-width: 280px;
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.social-link:hover {
    background: var(--primary-gradient);
    border-color: transparent;
}

.footer-nav h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--light-100);
    margin-bottom: var(--space-4);
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-nav a {
    font-size: var(--text-sm);
    color: var(--light-500);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.copyright {
    font-size: var(--text-sm);
    color: var(--light-500);
}

.footer-badges {
    display: flex;
    gap: var(--space-4);
}

.footer-badges .badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--light-500);
    background: rgba(255, 255, 255, 0.03);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
}

.footer-badges .badge svg {
    width: 14px;
    height: 14px;
    color: var(--primary-cyan);
}

/* ===== 18. RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .hero-content {
        text-align: center;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .diff-grid,
    .gov-wrapper,
    .cta-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .diff-visual,
    .gov-visual {
        order: -1;
    }
    
    .partners-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --space-16: 3rem;
        --space-20: 4rem;
        --space-24: 5rem;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: var(--light-100);
        box-shadow: var(--shadow-lg);
        padding: var(--space-4);
        gap: 0;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        display: block;
        padding: var(--space-4);
        color: var(--dark-800);
        border-bottom: 1px solid var(--light-300);
    }
    
    .nav-links a:hover::after {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .header-cta {
        display: none;
    }
    
    .mobile-cta {
        display: block;
        padding-top: var(--space-4);
        border-bottom: none !important;
    }
    
    .mobile-cta .btn {
        width: 100%;
    }
    
    .hero {
        min-height: auto;
        padding: 120px 0 var(--space-16);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .stat-divider {
        width: 40px;
        height: 1px;
    }
    
    .solutions-grid,
    .partners-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .gov-features {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: var(--space-4);
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .section-title {
        font-size: var(--text-2xl);
    }
    
    .vendors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-badges {
        flex-direction: column;
    }
}

/* ===== 19. ANIMATIONS ===== */
@media (prefers-reduced-motion: no-preference) {
    .hero-badge {
        animation: fadeInDown 0.6s ease forwards;
    }
    
    .hero-title {
        animation: fadeInUp 0.6s ease 0.1s forwards;
        opacity: 0;
    }
    
    .hero-subtitle {
        animation: fadeInUp 0.6s ease 0.2s forwards;
        opacity: 0;
    }
    
    .hero-cta {
        animation: fadeInUp 0.6s ease 0.3s forwards;
        opacity: 0;
    }
    
    .hero-stats {
        animation: fadeInUp 0.6s ease 0.4s forwards;
        opacity: 0;
    }
}

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

/* ===== 20. PRINT STYLES ===== */
@media print {
    .header,
    .hero-bg,
    .trust-bar,
    .cta-section,
    .footer {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    .section-title {
        color: #000;
    }
}