/* ============================================
   PROFESSIONAL ESIM MARKETPLACE STYLES
   Inspired by Nomad eSIM, Holafly, Telia
   ============================================ */

:root {
    /* Primary Colors */
    --color-primary: #0B6E99;
    --color-primary-hover: #095577;
    --color-primary-light: #e0f2f8;
    --color-accent: #06b6d4;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    
    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --max-width: 1280px;
    --header-height: 72px;
}

/* ============================================
   PROFESSIONAL HEADER
   ============================================ */

.professional-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.professional-header.scrolled {
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.95);
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

/* Logo */
.header-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.header-logo:hover {
    opacity: 0.8;
}

.logo-image {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    object-fit: contain;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-gray-800);
    letter-spacing: -0.5px;
}

/* Navigation */
.header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    flex: 1;
}

.nav-link {
    padding: var(--space-sm) var(--space-md);
    color: var(--color-gray-600);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--color-gray-800);
    background: var(--color-gray-50);
}

.nav-link.active {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

/* Global Search - HIDDEN */
.header-search {
    display: none;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Language Selector */
/* Language Selector */
.language-select {
    padding: var(--space-sm) 12px;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    background: var(--color-white);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray-700);
    transition: all var(--transition-fast);
    min-width: 160px;
}

.language-select:hover {
    border-color: var(--color-primary);
    background: var(--color-gray-50);
}

.language-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(11, 110, 153, 0.1);
}

/* Currency Selector */
.currency-select {
    padding: var(--space-sm) 12px;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font-sans);
    color: var(--color-gray-700);
    background: var(--color-white);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.currency-select:hover {
    border-color: var(--color-primary);
    background: var(--color-gray-50);
}

.currency-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* My eSIM Button */
.my-esim-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: var(--color-gray-100);
    color: var(--color-primary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.my-esim-btn:hover {
    background: var(--color-primary-light);
    transform: translateY(-1px);
}

/* View Plans CTA */
.view-plans-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 22px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(11, 110, 153, 0.25);
    transition: all var(--transition-fast);
}

.view-plans-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(11, 110, 153, 0.35);
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-gray-700);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    .header-search {
        flex: 0 1 240px;
    }
    
    .search-input {
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .header-container {
        height: 64px;
        padding: 0 var(--space-md);
    }
    
    .header-search {
        display: none;
    }
    
    .header-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--space-md);
        border-top: 1px solid var(--color-gray-200);
        box-shadow: var(--shadow-lg);
        gap: var(--space-xs);
    }
    
    .header-nav.active {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        text-align: left;
        padding: 12px var(--space-md);
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .logo-text {
        font-size: 20px;
    }
    
    .logo-image {
        width: 36px;
        height: 36px;
    }
    
    .header-actions {
        gap: var(--space-sm);
    }
    
    .language-btn,
    .currency-select {
        padding: 6px 10px;
        font-size: 13px;
    }
    
    .my-esim-btn,
    .view-plans-btn {
        padding: 8px 14px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .my-esim-btn span:last-child {
        display: none;
    }
    
    .view-plans-btn {
        padding: 8px 12px;
    }
    
    .view-plans-btn span:first-child {
        display: none;
    }
    
    .language-select {
        font-size: 12px;
        padding: 6px 8px;
        min-width: 120px;
    }
    
    .currency-select {
        font-size: 12px;
        padding: 6px 8px;
    }
}