/* ======================================================
   ICCI FREE - STILE GLOBALE OTTIMIZZATO V2.0
   ====================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
    --primary-yellow: #FFD700;
    --primary-yellow-dark: #FFB700;
    --background-dark: #0a0a0a;
    --surface-dark: #141414;
    --surface-medium: #1f1f1f;
    --text-primary: #FFFFFF;
    --text-secondary: #999999;
    --border-color: #2a2a2a;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-sans);
    background-color: var(--background-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============= NAVBAR ============= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    animation: slideDown 0.5s ease-out;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition-fast);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    font-size: 28px;
    animation: flicker 3s infinite;
}

.logo-text .free {
    color: var(--primary-yellow);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-yellow);
    transition: width var(--transition-fast);
}

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

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

.login-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--surface-medium);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: var(--transition-medium);
}

.login-btn:hover {
    background: var(--primary-yellow);
    color: var(--background-dark);
    border-color: var(--primary-yellow);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 215, 0, 0.2);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ============= HERO SECTION ============= */
.hero-section {
    min-height: 100vh;
    padding: 120px 24px 60px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: radial-gradient(circle at 20% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

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

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-yellow);
    margin-bottom: 24px;
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

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

.hero-description {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.primary-btn, .secondary-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary-yellow) 0%, var(--primary-yellow-dark) 100%);
    color: var(--background-dark);
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(255, 215, 0, 0.3);
}

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

.secondary-btn:hover {
    background: var(--surface-dark);
    border-color: var(--primary-yellow);
    transform: translateY(-3px);
}

.trust-indicators {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.hero-visual {
    animation: fadeInRight 0.8s ease-out;
    position: relative;
}

.streaming-preview {
    background: var(--surface-dark);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    transform: perspective(1000px) rotateY(-5deg);
    transition: var(--transition-medium);
}

.streaming-preview:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--surface-medium);
    border-bottom: 1px solid var(--border-color);
}

.live-badge {
    color: #ff3b30;
    font-weight: 700;
    font-size: 14px;
    animation: blink 2s infinite;
}

.preview-screen {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.user-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-yellow) 0%, var(--primary-yellow-dark) 100%);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: float-avatar 3s ease-in-out infinite;
}

.chat-simulation {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chat-message {
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    animation: slideIn 0.5s ease-out backwards;
}

.chat-message:nth-child(1) { animation-delay: 0.5s; }
.chat-message:nth-child(2) { animation-delay: 1s; }
.chat-message:nth-child(3) { animation-delay: 1.5s; }

.stats-container {
    max-width: 1400px;
    margin: 80px auto 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.stat-card {
    background: var(--surface-dark);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    transition: var(--transition-medium);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-yellow);
    box-shadow: 0 20px 40px rgba(255, 215, 0, 0.1);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-yellow);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============= FEATURES SECTION ============= */
.features-section {
    padding: 120px 24px;
    background: linear-gradient(180deg, var(--background-dark) 0%, var(--surface-dark) 100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-yellow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--surface-medium);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-yellow);
    box-shadow: 0 20px 40px rgba(255, 215, 0, 0.15);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
    animation: bounce 2s infinite;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

/* ============= CTA SECTION ============= */
.cta-section {
    padding: 100px 24px;
    background: linear-gradient(135deg, var(--surface-dark) 0%, var(--background-dark) 100%);
    position: relative;
    overflow: hidden;
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 20px 48px;
    background: linear-gradient(135deg, var(--primary-yellow) 0%, var(--primary-yellow-dark) 100%);
    color: var(--background-dark);
    text-decoration: none;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    transition: var(--transition-medium);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(255, 215, 0, 0.4);
}

/* ============= FOOTER ============= */
.footer {
    background: var(--surface-dark);
    border-top: 1px solid var(--border-color);
    padding: 60px 24px 24px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 8px;
}

.footer-brand p {
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

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

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--surface-medium);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 18px;
    transition: var(--transition-medium);
}

.footer-social a:hover {
    background: var(--primary-yellow);
    color: var(--background-dark);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* ============= ANIMATIONS ============= */
@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

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

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

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

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

@keyframes flicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* ============= RESPONSIVE ============= */
@media (max-width: 1200px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-visual {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .trust-indicators {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--surface-dark);
        flex-direction: column;
        padding: 32px;
        gap: 24px;
        transform: translateX(-100%);
        transition: transform var(--transition-medium);
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-links.mobile-active {
        transform: translateX(0);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-section {
        padding: 100px 20px 60px;
    }
    
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        margin-top: 60px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }
    
    .footer-social {
        justify-content: center;
    }
}

/* ============= SCROLLBAR ============= */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--background-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--surface-medium);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-yellow);
}