/* ============================================================================
   WOZEK - Premium Landing Page CSS
   Design System: Apple/Stripe inspired with blue palette
   ============================================================================ */

/* CSS Variables - Design System */
:root {
    /* Colors */
    --primary-blue: #0A4D9C;
    --secondary-blue: #1D75D9;
    --dark-blue: #073B78;
    --white: #FFFFFF;
    --light-gray: #F7F9FC;
    --text-primary: #1A1A1A;
    --text-secondary: #5F6368;
    --border-color: #E8EAED;
    --success-color: #34A853;
    --error-color: #EA4335;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.25rem;
    --radius-xl: 2rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================================
   RESET & BASE STYLES
   ============================================================================ */

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

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

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Accessibility */
.skip-to-main {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-blue);
    color: var(--white);
    padding: var(--spacing-sm);
    text-decoration: none;
    z-index: 100;
}

.skip-to-main:focus {
    top: 0;
}

/* ============================================================================
   TYPOGRAPHY
   ============================================================================ */

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

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
    font-size: 1.125rem;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.8;
}

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

a:hover {
    color: var(--secondary-blue);
}

/* ============================================================================
   CONTAINER & LAYOUT
   ============================================================================ */

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

main {
    overflow: hidden;
}

section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    gap: var(--spacing-sm);
}

.btn:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-secondary:hover {
    background-color: var(--light-gray);
    border-color: var(--secondary-blue);
    color: var(--secondary-blue);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

.btn-loader {
    display: inline-block;
}

/* ============================================================================
   HEADER & NAVIGATION
   ============================================================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow-md);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.navbar-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.navbar-logo:hover {
    color: var(--secondary-blue);
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

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

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

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

.nav-cta {
    display: none;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 6px;
    padding: var(--spacing-sm);
}

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

.menu-toggle.active .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.menu-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.scroll-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
    width: 0%;
    transition: width var(--transition-fast);
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.hero {
    padding-top: 120px;
    padding-bottom: var(--spacing-3xl);
    background: linear-gradient(135deg, rgba(10, 77, 156, 0.05) 0%, rgba(29, 117, 217, 0.02) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(29, 117, 217, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(10, 77, 156, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.hero-content {
    animation: slideInLeft 0.8s ease-out;
}

.hero-title {
    margin-bottom: var(--spacing-lg);
    line-height: 1.3;
}

.highlight {
    display: block;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-2xl);
    max-width: 500px;
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.trust-badges {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.badge {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.badge-number {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-blue);
}

.badge-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.hero-visual {
    position: relative;
    height: 400px;
    animation: slideInRight 0.8s ease-out;
}

.google-mockup {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.mockup-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    background: var(--light-gray);
}

.mockup-search-bar {
    height: 40px;
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.mockup-card {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.mockup-rating {
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.mockup-text {
    height: 12px;
    background: var(--light-gray);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.mockup-text.short {
    width: 70%;
}

.mockup-floating {
    position: absolute;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: var(--radius-lg);
    opacity: 0.1;
    animation: float 4s ease-in-out infinite;
    animation-delay: var(--delay);
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* ============================================================================
   SERVICES SECTION
   ============================================================================ */

.services {
    background-color: var(--light-gray);
}

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

.service-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.service-card:hover {
    border-color: var(--secondary-blue);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(10, 77, 156, 0.1), rgba(29, 117, 217, 0.1));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    transform: scale(1.1);
}

.service-icon svg {
    width: 30px;
    height: 30px;
}

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

.service-card p {
    font-size: 0.95rem;
    margin: 0;
}

/* ============================================================================
   BENEFITS SECTION
   ============================================================================ */

.benefits {
    background: linear-gradient(135deg, rgba(10, 77, 156, 0.03) 0%, rgba(29, 117, 217, 0.03) 100%);
}

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

.benefit-item {
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.benefit-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
    animation: bounce 2s ease-in-out infinite;
}

.benefit-item:nth-child(2) .benefit-icon {
    animation-delay: 0.1s;
}

.benefit-item:nth-child(3) .benefit-icon {
    animation-delay: 0.2s;
}

.benefit-item:nth-child(4) .benefit-icon {
    animation-delay: 0.3s;
}

.benefit-item:nth-child(5) .benefit-icon {
    animation-delay: 0.4s;
}

.benefit-item:nth-child(6) .benefit-icon {
    animation-delay: 0.5s;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.benefit-item h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.benefit-item p {
    margin: 0;
    font-size: 0.95rem;
}

/* ============================================================================
   ABOUT SECTION
   ============================================================================ */

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

.about-text h2 {
    margin-bottom: var(--spacing-lg);
}

.about-text > p {
    font-size: 1.0625rem;
    margin-bottom: var(--spacing-2xl);
}

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

.differential {
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
    transition: all var(--transition-base);
}

.differential:hover {
    border-left-color: var(--secondary-blue);
    box-shadow: var(--shadow-md);
}

.differential h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.differential p {
    font-size: 0.95rem;
    margin: 0;
}

.about-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--light-gray) 0%, rgba(29, 117, 217, 0.05) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.about-image-placeholder svg {
    width: 100%;
    height: 100%;
}

/* ============================================================================
   SOCIAL PROOF SECTION
   ============================================================================ */

.social-proof {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
}

.social-proof .section-header {
    color: var(--white);
}

.social-proof .section-header p {
    color: rgba(255, 255, 255, 0.9);
}

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

.testimonial-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-4px);
}

.testimonial-rating {
    color: #FFD700;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    font-style: italic;
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.author-name {
    font-weight: 600;
    margin: 0;
}

.author-role {
    font-size: 0.875rem;
    opacity: 0.9;
    margin: 0;
}

/* ============================================================================
   BLOG SECTION
   ============================================================================ */

.blog {
    background-color: var(--light-gray);
}

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

.blog-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

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

.blog-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--light-gray), rgba(29, 117, 217, 0.1));
    overflow: hidden;
}

.blog-image svg {
    width: 100%;
    height: 100%;
    transition: transform var(--transition-base);
}

.blog-card:hover .blog-image svg {
    transform: scale(1.05);
}

.blog-content {
    padding: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.blog-date {
    font-size: 0.875rem;
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.blog-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.blog-card p {
    flex-grow: 1;
    margin-bottom: var(--spacing-md);
}

.blog-link {
    color: var(--primary-blue);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-fast);
    align-self: flex-start;
}

.blog-link:hover {
    gap: var(--spacing-sm);
}

.blog-footer {
    text-align: center;
}

/* ============================================================================
   FAQ SECTION
   ============================================================================ */

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

.faq-item {
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--secondary-blue);
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--white);
    cursor: pointer;
    user-select: none;
    font-weight: 600;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.faq-item[open] .faq-question {
    background: var(--light-gray);
}

.faq-question:hover {
    background: var(--light-gray);
}

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

.faq-item[open] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    background: var(--white);
    border-top: 1px solid var(--border-color);
    animation: slideDown 0.3s ease-out;
}

.faq-answer p {
    margin: 0;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================================
   CTA FINAL SECTION
   ============================================================================ */

.cta-final {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    text-align: center;
}

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

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-2xl);
}

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

/* ============================================================================
   CONTACT SECTION
   ============================================================================ */

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

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

.contact-info > p {
    margin-bottom: var(--spacing-2xl);
}

.contact-details {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.contact-item h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.contact-item a {
    color: var(--primary-blue);
    font-weight: 500;
}

.contact-item p {
    margin: 0;
    color: var(--text-secondary);
}

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

.contact-form h3 {
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
    background-color: var(--white);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(10, 77, 156, 0.1);
}

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

.form-error {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    display: none;
}

.form-group.error input,
.form-group.error textarea {
    border-color: var(--error-color);
}

.form-group.error .form-error {
    display: block;
}

.form-status {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    display: none;
    font-weight: 500;
}

.form-status.success {
    background-color: rgba(52, 168, 83, 0.1);
    color: var(--success-color);
    display: block;
}

.form-status.error {
    background-color: rgba(234, 67, 53, 0.1);
    color: var(--error-color);
    display: block;
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.footer {
    background-color: var(--text-primary);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

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

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

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

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: var(--primary-blue);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================================================
   BACK TO TOP BUTTON
   ============================================================================ */

.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.back-to-top::before {
    content: '↑';
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.back-to-top:active {
    transform: translateY(0);
}

/* ============================================================================
   RESPONSIVE DESIGN - TABLET
   ============================================================================ */

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

    section {
        padding: var(--spacing-2xl) 0;
    }

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

    .hero-visual {
        height: 300px;
    }

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

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

    .hero-ctas .btn {
        width: 100%;
    }

    .nav-menu {
        gap: var(--spacing-md);
    }

    .menu-toggle {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

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

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

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

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

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

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

    .cta-buttons .btn {
        width: 100%;
    }
}

/* ============================================================================
   RESPONSIVE DESIGN - MOBILE
   ============================================================================ */

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
        --spacing-3xl: 3rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.125rem;
    }

    .navbar-container {
        padding: 0 var(--spacing-md);
    }

    .navbar-logo {
        font-size: 1.25rem;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        background: var(--white);
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        max-height: calc(100vh - 60px);
        overflow-y: auto;
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-cta {
        display: block;
        width: 100%;
        text-align: center;
    }

    .hero {
        padding-top: 100px;
        padding-bottom: var(--spacing-2xl);
    }

    .hero::before,
    .hero::after {
        display: none;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-visual {
        height: 250px;
    }

    .trust-badges {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .badge-number {
        font-size: 1.5rem;
    }

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

    .benefit-icon {
        font-size: 2.5rem;
    }

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

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

    .blog-image {
        height: 150px;
    }

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

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }
}

/* ============================================================================
   UTILITIES & ANIMATIONS
   ============================================================================ */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-base);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print styles */
@media print {
    .header,
    .back-to-top,
    .menu-toggle {
        display: none;
    }
}