/* ========================================
   PRUSA SLICER - MODERN CSS STYLESHEET
   ======================================== */

/* ========================================
   CSS RESET & BASE STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors */
    --primary-color: #ff6b35;
    --primary-dark: #e55a2b;
    --primary-light: #ff8558;

    /* Secondary Colors */
    --secondary-color: #004e89;
    --secondary-dark: #003d6b;
    --secondary-light: #1a6ba8;

    /* Neutral Colors */
    --dark: #1a1a2e;
    --dark-gray: #2e2e3e;
    --medium-gray: #666;
    --light-gray: #e8e8e8;
    --white: #ffffff;

    /* Accent Colors */
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #17a2b8;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

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

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

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

ul, ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

li {
    margin-bottom: var(--spacing-xs);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

.logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    margin: 0;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    color: var(--dark);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--dark);
    transition: var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

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

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    outline: none;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero-content h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

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

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

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

.stat-item svg {
    color: var(--primary-color);
}

.stat-item div {
    text-align: left;
}

.stat-item strong {
    display: block;
    font-size: 1.5rem;
}

.stat-item span {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* ========================================
   INTRO SECTION
   ======================================== */
.intro-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.intro-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);
}

.intro-content p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

/* ========================================
   SECTIONS
   ======================================== */
.features-section,
.how-it-works,
.benefits-section,
.requirements-section,
.cta-section {
    padding: var(--spacing-xl) 0;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   FEATURE CARDS
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.feature-icon svg {
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.feature-card p {
    color: var(--medium-gray);
    line-height: 1.7;
}

/* ========================================
   STEPS GRID
   ======================================== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.step-card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-base);
}

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

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    font-size: 2rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
}

.step-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.step-card p {
    color: var(--medium-gray);
    line-height: 1.7;
}

/* ========================================
   BENEFITS GRID
   ======================================== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.benefit-item:hover {
    box-shadow: var(--shadow-md);
}

.benefit-item svg {
    flex-shrink: 0;
    color: var(--success);
}

.benefit-item h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.benefit-item p {
    color: var(--medium-gray);
    margin: 0;
}

/* ========================================
   REQUIREMENTS SECTION
   ======================================== */
.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.req-card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.req-card h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.req-card ul {
    margin-left: 0;
    list-style: none;
}

.req-card li {
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--dark-gray);
}

.req-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    color: var(--white);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.cta-section h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

/* ========================================
   PAGE HEADER
   ======================================== */
.page-header {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xs);
}

.page-header p {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* ========================================
   DOWNLOAD SECTION
   ======================================== */
.download-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

.download-intro {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.download-intro h2 {
    color: var(--secondary-color);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.download-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: var(--transition-base);
}

.download-card:hover {
    box-shadow: var(--shadow-lg);
}

.download-header {
    background: linear-gradient(135deg, var(--secondary-light), var(--secondary-color));
    padding: var(--spacing-md);
}

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

.platform-info svg {
    color: var(--white);
}

.platform-info h3 {
    color: var(--white);
    margin: 0;
}

.download-details {
    padding: var(--spacing-md);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.detail-item {
    color: var(--dark-gray);
}

.detail-item strong {
    color: var(--dark);
    display: block;
    margin-bottom: 4px;
}

.download-btn {
    margin: 0 var(--spacing-md) var(--spacing-md);
    width: calc(100% - var(--spacing-md) * 2);
}

/* ========================================
   INSTALLATION SECTION
   ======================================== */
.installation-section {
    padding: var(--spacing-xl) 0;
}

.installation-tabs {
    max-width: 900px;
    margin: 0 auto;
}

.tab-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 12px 24px;
    background-color: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    transition: var(--transition-fast);
}

.tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.tab-btn svg {
    flex-shrink: 0;
}

.tab-content {
    display: none;
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.tab-content.active {
    display: block;
}

.tab-content h3 {
    color: var(--secondary-color);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.install-step {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--light-gray);
}

.install-step:last-child {
    border-bottom: none;
}

.install-step .step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
}

.step-content h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--dark);
}

.step-content p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-xs);
}

.code-block {
    display: block;
    background-color: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    margin: var(--spacing-xs) 0;
    overflow-x: auto;
}

/* ========================================
   FAQ SECTION
   ======================================== */
.faq-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.faq-item {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.faq-item h3 {
    color: var(--secondary-color);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.faq-item p {
    color: var(--medium-gray);
    margin: 0;
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact-section {
    padding: var(--spacing-xl) 0;
}

.contact-intro {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.contact-card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-base);
}

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

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
}

.contact-icon svg {
    color: var(--white);
}

.contact-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.contact-card p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   CONTACT FORM
   ======================================== */
.form-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

.form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.form-header h2 {
    color: var(--secondary-color);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

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

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

.form-note {
    background-color: var(--light-gray);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
}

.form-note p {
    margin: 0;
    color: var(--medium-gray);
    font-size: 0.875rem;
}

/* ========================================
   TIPS SECTION
   ======================================== */
.tips-section {
    padding: var(--spacing-xl) 0;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.tip-card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.tip-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--info), var(--secondary-light));
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
}

/* ========================================
   LEGAL SECTION
   ======================================== */
.legal-section {
    padding: var(--spacing-xl) 0;
}

.legal-content {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.legal-content h2 {
    color: var(--secondary-color);
    font-size: 1.75rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 2px solid var(--light-gray);
}

.legal-content h2:first-child {
    margin-top: 0;
    border-top: none;
    padding-top: 0;
}

.legal-content h3 {
    color: var(--dark);
    font-size: 1.25rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.legal-content p {
    color: var(--dark-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.legal-content ul,
.legal-content ol {
    margin-bottom: var(--spacing-sm);
    color: var(--dark-gray);
}

.legal-content li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.7;
}

.legal-footer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--light-gray);
}

.legal-footer p {
    font-style: italic;
    color: var(--medium-gray);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background-color: var(--dark);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-col h4 {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.footer-col ul {
    list-style: none;
    margin: 0;
}

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--primary-color);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    margin: 0;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 768px) {
    /* Typography */
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 2rem;
    }

    /* Hero */
    .hero-content h1 {
        font-size: 2rem;
    }

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

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    /* Navigation */
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition-base);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-md) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: var(--spacing-xs) 0;
    }

    /* Grids */
    .features-grid,
    .steps-grid,
    .benefits-grid,
    .requirements-grid,
    .contact-grid,
    .tips-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    /* Page Header */
    .page-header h1 {
        font-size: 2rem;
    }

    /* Download Details */
    .download-details {
        grid-template-columns: 1fr;
    }

    /* Form */
    .form-row {
        grid-template-columns: 1fr;
    }

    .form-wrapper {
        padding: var(--spacing-md);
    }

    /* Spacing */
    .hero,
    .intro-section,
    .features-section,
    .how-it-works,
    .benefits-section,
    .requirements-section,
    .cta-section,
    .download-section,
    .installation-section,
    .faq-section,
    .contact-section,
    .form-section,
    .tips-section,
    .legal-section {
        padding: var(--spacing-lg) 0;
    }
}

@media (max-width: 480px) {
    /* Typography */
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    /* Hero */
    .hero-content h1 {
        font-size: 1.75rem;
    }

    /* Buttons */
    .btn {
        padding: 10px 20px;
        font-size: 0.95rem;
    }

    .btn-large {
        padding: 12px 24px;
        font-size: 1rem;
    }

    /* Logo */
    .logo {
        font-size: 1.25rem;
    }

    .logo img {
        width: 32px;
        height: 32px;
    }
}

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

.feature-card,
.step-card,
.benefit-item,
.contact-card,
.download-card {
    animation: fadeInUp 0.6s ease-out;
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    .header,
    .footer,
    .hero-cta,
    .cta-section,
    .btn,
    .hamburger {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
    }

    a {
        text-decoration: underline;
        color: #000;
    }

    .container {
        max-width: 100%;
    }
}