/**
 * SmartScan Affiliate - Common Styles
 * Shared styles for all affiliate pages
 * Mobile-First Approach
 * 
 * @package SmartScan\Affiliate
 * @version 1.0.0
 */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #161616;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-red: #dc2626;
    --accent-gold: #f59e0b;
    --accent-gold-glow: rgba(245, 158, 11, 0.3);
    --terminal-green: #22c55e;
    --border-color: #222222;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-2xl: 16px;
    --radius-full: 50px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.content {
    position: relative;
    z-index: 1;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
}

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

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
nav,
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 5%;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

/* Desktop nav layout */
@media (min-width: 768px) {
    .nav-container {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* Logo */
.logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo span {
    color: var(--accent-gold);
}

@media (min-width: 768px) {
    .logo {
        font-size: 1.25rem;
    }
}

/* Nav Links */
.nav-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.nav-links a,
.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active,
.nav-link:hover {
    color: var(--accent-gold);
    background: rgba(245, 158, 11, 0.1);
}

@media (min-width: 768px) {
    .nav-links a,
    .nav-link {
        font-size: 0.9rem;
    }
}

/* Header Right Container */
.header-right,
.nav-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .header-right,
    .nav-right {
        flex-direction: row;
        gap: var(--spacing-lg);
    }
}

/* ============================================
   LANGUAGE SELECTOR
   ============================================ */
.lang-selector {
    display: flex;
    gap: var(--spacing-sm);
}

.lang-selector a,
.lang-btn {
    padding: 0.3rem 0.6rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-selector a:hover,
.lang-selector a.active,
.lang-btn:hover,
.lang-btn.active {
    color: #fff;
    background: #6366f1;
    border-color: #6366f1;
}

/* ============================================
   CTA BUTTONS
   ============================================ */
.nav-cta,
.header-cta {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.85rem;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.nav-cta:hover,
.header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px #6366f180;
}

@media (min-width: 768px) {
    .nav-cta,
    .header-cta {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #000;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all var(--transition-base);
    box-shadow: 0 0 30px #6366f180;
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 0 50px #6366f180;
}

@media (min-width: 768px) {
    .cta-button {
        padding: 1.25rem 3rem;
        font-size: 1.2rem;
    }
}

/* ============================================
   SECTION COMMON
   ============================================ */
.section-title {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
}

.section-subtitle,
.section-intro {
    text-align: center;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
    font-size: 1rem;
    line-height: 1.8;
}

@media (min-width: 768px) {
    .section-subtitle,
    .section-intro {
        font-size: 1.1rem;
        margin-bottom: var(--spacing-3xl);
    }
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    padding: var(--spacing-xl) 5%;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-base);
}

footer a:hover {
    color: var(--accent-gold);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-gold {
    color: var(--accent-gold);
}

.text-green {
    color: var(--terminal-green);
}

.text-red {
    color: var(--accent-red);
}

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

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   MOBILE HAMBURGER MENU - DROPDOWN COMPATTO
   ============================================ */

/* Hamburger Button - visibile SOLO su mobile */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1010;
}

.hamburger span {
    width: 100%;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

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

/* Mobile Menu Dropdown - COMPATTO */
.mobile-menu {
    position: absolute;
    top: 100%;
    right: 0;
    width: 200px;
    background: rgba(22, 22, 22, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-top: 2px solid var(--accent-gold);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 1005;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mobile-menu .nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.mobile-menu .nav-links a {
    font-size: 0.9rem;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

.mobile-menu .nav-links a:hover,
.mobile-menu .nav-links a.active {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-gold);
}

.mobile-menu .lang-selector {
    display: flex;
    justify-content: center;
    padding: var(--spacing-sm) 0;
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-sm);
}

.mobile-menu .nav-cta {
    text-align: center;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.85rem;
}

/* Nav container con hamburger */
.nav-container.has-hamburger {
    position: relative;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

/* MOBILE: nasconde header-right, mostra hamburger */
.nav-container.has-hamburger .header-right {
    display: none;
}

/* DESKTOP 768px+: nasconde hamburger e mobile-menu, mostra header-right */
@media (min-width: 768px) {
    .hamburger {
        display: none !important;
    }
    
    .mobile-menu {
        display: none !important;
    }
    
    .nav-container.has-hamburger .header-right {
        display: flex;
    }
}