/* ==========================================================================
   Nexocampus - Estilos principales
   Estilo "Stripe Look" - Limpio, moderno, profesional
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables
   -------------------------------------------------------------------------- */
:root {
    /* Colors - Slate/Indigo palette */
    --color-primary: #4F46E5;
    --color-primary-dark: #4338CA;
    --color-primary-light: #6366F1;
    --color-primary-50: #EEF2FF;
    --color-primary-100: #E0E7FF;
    
    --color-slate-50: #F8FAFC;
    --color-slate-100: #F1F5F9;
    --color-slate-200: #E2E8F0;
    --color-slate-300: #CBD5E1;
    --color-slate-400: #94A3B8;
    --color-slate-500: #64748B;
    --color-slate-600: #475569;
    --color-slate-700: #334155;
    --color-slate-800: #1E293B;
    --color-slate-900: #0F172A;
    
    --color-white: #FFFFFF;
    --color-black: #000000;
    
    /* Semantic colors */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --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 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*, *::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-slate-700);
    background-color: var(--color-white);
}

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

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

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

ul, ol {
    list-style: none;
}

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

h1 {
    font-size: var(--font-size-5xl);
    letter-spacing: -0.02em;
}

h2 {
    font-size: var(--font-size-4xl);
    letter-spacing: -0.01em;
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

p {
    color: var(--color-slate-600);
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, #EC4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

section {
    padding: var(--spacing-24) 0;
}

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

.btn-lg {
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 1px 2px 0 rgb(79 70 229 / 0.5);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px 0 rgb(79 70 229 / 0.4);
}

.btn-outline {
    background: var(--color-white);
    color: var(--color-slate-700);
    border: 1px solid var(--color-slate-200);
}

.btn-outline:hover {
    background: var(--color-slate-50);
    border-color: var(--color-slate-300);
}

.btn-ghost {
    color: var(--color-slate-600);
}

.btn-ghost:hover {
    color: var(--color-slate-900);
    background: var(--color-slate-100);
}

.btn-white {
    background: var(--color-white);
    color: var(--color-primary);
}

.btn-white:hover {
    background: var(--color-slate-100);
}

.btn-ghost-white {
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-ghost-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* --------------------------------------------------------------------------
   Badges
   -------------------------------------------------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-sm);
    font-weight: 500;
    background: var(--color-primary-50);
    color: var(--color-primary);
    border-radius: var(--radius-full);
}

.badge-discount {
    background: var(--color-success);
    color: var(--color-white);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    margin-left: var(--spacing-2);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-50);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-4);
}

/* --------------------------------------------------------------------------
   Header / Navigation
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-slate-100);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 110px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-slate-900);
}

.logo img {
    width: 96px;
    height: 96px;
    object-fit: contain;
}

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

.nav-links a {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-slate-600);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-slate-900);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-2);
}

.mobile-menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-slate-700);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    padding-top: calc(110px + var(--spacing-20));
    padding-bottom: var(--spacing-20);
    overflow: hidden;
}

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

.hero-content {
    max-width: 560px;
}

.hero-content .badge {
    margin-bottom: var(--spacing-6);
}

.hero-content h1 {
    margin-bottom: var(--spacing-6);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-slate-500);
    margin-bottom: var(--spacing-8);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.hero-trust {
    font-size: var(--font-size-sm);
    color: var(--color-slate-400);
}

.hero-image {
    position: relative;
}

.browser-mockup {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    border: 1px solid var(--color-slate-200);
}

.browser-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-slate-50);
    border-bottom: 1px solid var(--color-slate-200);
}

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

.browser-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-slate-300);
}

.browser-dots span:first-child {
    background: #EF4444;
}

.browser-dots span:nth-child(2) {
    background: #F59E0B;
}

.browser-dots span:last-child {
    background: #10B981;
}

.browser-url {
    flex: 1;
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--color-white);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-slate-500);
    text-align: center;
}

.browser-content {
    padding: var(--spacing-4);
    background: linear-gradient(135deg, var(--color-slate-100) 0%, var(--color-slate-50) 100%);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.browser-content img {
    width: 100%;
    height: auto;
}

.hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary-50) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}

/* --------------------------------------------------------------------------
   Social Proof
   -------------------------------------------------------------------------- */
.social-proof {
    padding: var(--spacing-12) 0;
    background: var(--color-slate-50);
    border-top: 1px solid var(--color-slate-100);
    border-bottom: 1px solid var(--color-slate-100);
}

.social-proof-text {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-slate-400);
    margin-bottom: var(--spacing-6);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.logo-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-10);
}

.logo-placeholder {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-slate-300);
}

/* --------------------------------------------------------------------------
   Section Header
   -------------------------------------------------------------------------- */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--spacing-16);
}

.section-header h2 {
    margin-bottom: var(--spacing-4);
}

.section-header p {
    font-size: var(--font-size-lg);
}

/* --------------------------------------------------------------------------
   Features Overview
   -------------------------------------------------------------------------- */
.features-overview {
    background: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.feature-card {
    position: relative;
    padding: var(--spacing-8);
    background: var(--color-white);
    border: 1px solid var(--color-slate-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-slate-300);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-card.featured {
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-white) 100%);
    border-color: var(--color-primary-100);
}

.feature-badge {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: 600;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-slate-100);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-5);
    color: var(--icon-color, var(--color-primary));
}

.feature-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3);
}

.feature-card p {
    font-size: var(--font-size-sm);
    color: var(--color-slate-500);
}

.features-cta {
    text-align: center;
    margin-top: var(--spacing-12);
}

/* --------------------------------------------------------------------------
   How It Works
   -------------------------------------------------------------------------- */
.how-it-works {
    background: var(--color-slate-50);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.step {
    text-align: center;
    padding: var(--spacing-8);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
    background: var(--color-white);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    margin-bottom: var(--spacing-6);
}

.step-content h3 {
    margin-bottom: var(--spacing-3);
}

.step-content p {
    font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Unique Features
   -------------------------------------------------------------------------- */
.unique-features {
    background: var(--color-white);
}

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

.unique-card {
    padding: var(--spacing-6);
    background: var(--color-slate-50);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.unique-card:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.unique-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-4);
}

.unique-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
}

.unique-card p {
    font-size: var(--font-size-sm);
    color: var(--color-slate-500);
}

/* --------------------------------------------------------------------------
   Pricing
   -------------------------------------------------------------------------- */
.pricing {
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-slate-50) 100%);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-12);
}

.toggle-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-slate-400);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.toggle-label.active {
    color: var(--color-slate-900);
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 28px;
    background: var(--color-slate-200);
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

.toggle-switch.active {
    background: var(--color-primary);
}

.toggle-knob {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 20px;
    height: 20px;
    background: var(--color-white);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
}

.toggle-switch.active .toggle-knob {
    transform: translateX(20px);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-12);
}

.pricing-card {
    position: relative;
    padding: var(--spacing-8);
    background: var(--color-white);
    border: 1px solid var(--color-slate-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.pricing-card:hover {
    border-color: var(--color-slate-300);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-xl);
    transform: scale(1.02);
}

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

.pricing-header {
    margin-bottom: var(--spacing-6);
}

.pricing-header h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-1);
}

.pricing-description {
    font-size: var(--font-size-sm);
    color: var(--color-slate-500);
}

.pricing-price {
    margin-bottom: var(--spacing-2);
}

.price-amount {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-slate-900);
}

.price-period {
    font-size: var(--font-size-base);
    color: var(--color-slate-500);
}

.pricing-commission {
    font-size: var(--font-size-sm);
    color: var(--color-slate-400);
    padding-bottom: var(--spacing-6);
    margin-bottom: var(--spacing-6);
    border-bottom: 1px solid var(--color-slate-100);
}

.pricing-features {
    margin-bottom: var(--spacing-8);
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-slate-600);
    margin-bottom: var(--spacing-3);
}

.pricing-features li svg {
    flex-shrink: 0;
    color: var(--color-success);
    margin-top: 2px;
}

.enterprise-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-8);
    background: var(--color-slate-900);
    border-radius: var(--radius-xl);
    color: var(--color-white);
}

.enterprise-content h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-2);
}

.enterprise-content p {
    color: var(--color-slate-400);
    font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Testimonials
   -------------------------------------------------------------------------- */
.testimonials {
    background: var(--color-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.testimonial-card {
    padding: var(--spacing-8);
    background: var(--color-slate-50);
    border-radius: var(--radius-xl);
}

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

.testimonial-content p {
    font-size: var(--font-size-base);
    font-style: italic;
    color: var(--color-slate-700);
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
    border-radius: 50%;
}

.author-info strong {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-slate-900);
}

.author-info span {
    font-size: var(--font-size-xs);
    color: var(--color-slate-500);
}

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */
.faq {
    background: var(--color-slate-50);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.faq-question:hover {
    background: var(--color-slate-50);
}

.faq-question svg {
    flex-shrink: 0;
    color: var(--color-slate-400);
    transition: transform var(--transition-fast);
}

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

.faq-answer {
    display: none;
    padding: 0 var(--spacing-6) var(--spacing-5);
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer p {
    font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Final CTA
   -------------------------------------------------------------------------- */
.final-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    text-align: center;
}

.cta-content {
    max-width: 640px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-8);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    background: var(--color-slate-900);
    color: var(--color-slate-400);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

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

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
}

.footer-brand .logo img {
    width: 96px;
    height: 96px;
}

.footer-brand p {
    font-size: var(--font-size-sm);
    max-width: 280px;
}

.footer-links h4 {
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
}

.footer-links ul li {
    margin-bottom: var(--spacing-2);
}

.footer-links a {
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-slate-800);
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-4);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-slate-800);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-slate-700);
    color: var(--color-white);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
    }
    
    .nav-links,
    .nav-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: none;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-image {
        display: none;
    }
    
    .features-grid,
    .steps,
    .unique-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .enterprise-cta {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-6);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        margin-bottom: var(--spacing-8);
    }
    
    .footer-brand p {
        max-width: none;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .cta-buttons {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
    }
    
    section {
        padding: var(--spacing-16) 0;
    }
    
    .hero {
        padding-top: calc(110px + var(--spacing-12));
        padding-bottom: var(--spacing-12);
    }
}