/* ===================================
   CSS Variables & Reset
   =================================== */

:root {
    /* Culori IAPP */
    --color-primary: #477067;
    --color-secondary: #263b44;
    --color-text: #33373d;
    --color-text-light: #6b7280;
    --color-bg: #ffffff;
    --color-bg-light: #f9fafb;
    --color-bg-dark: #263b44;
    --color-border: #e5e7eb;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* 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);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

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

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

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

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

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

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

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

.section-dark {
    background-color: var(--color-bg-dark);
    color: #ffffff;
}

.section-dark .section-title,
.section-dark .section-subtitle,
.section-dark h3 {
    color: #ffffff;
}

.section-dark p {
    color: rgba(255, 255, 255, 0.9);
}

/* ===================================
   Header
   =================================== */

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    gap: var(--spacing-lg);
}

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

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

.product-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
}

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

.nav-link {
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
}

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

.header-cta {
    display: flex;
    gap: var(--spacing-sm);
}

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

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition);
}

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

.btn {
    display: inline-block;
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.9375rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--color-secondary);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-large {
    padding: 0.875rem 2rem;
    font-size: 1.0625rem;
}

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

.hero {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

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

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

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

.hero-note {
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* ===================================
   Benefits Section
   =================================== */

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

.benefit-card {
    background-color: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

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

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

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

.benefit-card p {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ===================================
   Steps Section
   =================================== */

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

.step {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    align-items: flex-start;
}

.step:last-child {
    margin-bottom: 0;
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
}

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

.step-content p {
    color: rgba(255, 255, 255, 0.85);
}

/* ===================================
   Audience Section
   =================================== */

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

.audience-card {
    background-color: var(--color-bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 2px solid var(--color-border);
    transition: var(--transition);
}

.audience-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

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

.audience-card p {
    color: var(--color-text-light);
}

/* ===================================
   FAQ Section
   =================================== */

.section-faq {
    background-color: var(--color-bg-light);
}

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

.faq-item {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    text-align: left;
    font-size: 1.0625rem;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    transition: var(--transition);
}

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

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-primary);
    flex-shrink: 0;
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-md);
    color: var(--color-text-light);
    line-height: 1.6;
}

.faq-answer a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ===================================
   CTA Final Section
   =================================== */

.cta-final {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    padding: var(--spacing-3xl) 0;
    text-align: center;
    color: #ffffff;
}

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

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

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

.cta-final .btn-primary {
    background-color: #ffffff;
    color: var(--color-primary);
}

.cta-final .btn-primary:hover {
    background-color: var(--color-bg-light);
    color: var(--color-secondary);
}

.cta-final .btn-secondary {
    border-color: #ffffff;
    color: #ffffff;
}

.cta-final .btn-secondary:hover {
    background-color: #ffffff;
    color: var(--color-primary);
}

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

.footer {
    background-color: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-logo img {
    height: 32px;
    margin-bottom: var(--spacing-sm);
    filter: brightness(0) invert(1);
}

.footer-logo p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: #ffffff;
}

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

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

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

@media (max-width: 768px) {
    /* Header */
    .nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background-color: var(--color-bg);
        flex-direction: column;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition);
        pointer-events: none;
        gap: var(--spacing-sm);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .header-cta {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Hero */
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.0625rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    /* Spacing */
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    /* Steps */
    .step {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    /* Footer */
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .benefits-grid,
    .audience-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .btn-large {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}