/* ===================================
   Free WiFi Hotspots - Professional Styles
   ================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@300;400;500;600;700&display=swap');

/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: #ffffff;
}

h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #ffffff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 600;
    margin-bottom: 1.25rem;
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 600;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.25rem;
    color: #ffffff;
    font-size: 1.1rem;
    line-height: 1.8;
    font-weight: 400;
}

a {
    color: #dbeafe;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

a:hover {
    color: #ffffff;
    transform: translateY(-1px);
}

a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background: linear-gradient(90deg, #60a5fa, #a78bfa);
    transition: width 0.3s ease;
}

a:hover::after {
    width: 100%;
}

/* ===================================
   Layout Components
   ================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header Styles */
.site-header {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-section img {
    max-height: 50px;
    width: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
    transition: transform 0.3s ease;
}

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

.site-title {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 700;
    color: #ffffff;
    margin: 0;
    background: linear-gradient(135deg, #ffffff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.nav-menu {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav-menu a {
    color: #ffffff;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.nav-menu a:hover::before {
    left: 100%;
}

.nav-menu a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.nav-menu a::after {
    display: none;
}

/* Main Content */
.main-content {
    padding: 3rem 0;
    min-height: calc(100vh - 200px);
}

/* Card Components */
.card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 2.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb, #f5576c);
    background-size: 300% 100%;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.card h2, .card h3 {
    color: #1e293b;
    background: linear-gradient(135deg, #1e293b, #475569);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card p {
    color: #475569;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Country Selection */
.country-selector {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    margin: 3rem auto;
    max-width: 700px;
    position: relative;
    overflow: hidden;
}

.country-selector::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.country-selector h2 {
    color: #1e293b;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-size: clamp(1.5rem, 3vw, 2rem);
}

.wifi-icon {
    width: 32px;
    height: 32px;
    display: inline-block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

/* Form Elements */
select {
    width: 100%;
    padding: 1.25rem 1.5rem;
    font-size: 1.1rem;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    background: #ffffff;
    color: #374151;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 2rem;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 1rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 3rem;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1), 0 8px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

select:hover {
    border-color: #cbd5e1;
    transform: translateY(-1px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

/* Button Styles */
button, input[type="submit"], .btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    border: none;
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-block;
    text-align: center;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
    font-family: 'Poppins', sans-serif;
}

button::before, input[type="submit"]::before, .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

button:hover::before, input[type="submit"]:hover::before, .btn:hover::before {
    left: 100%;
}

button:hover, input[type="submit"]:hover, .btn:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
    color: #ffffff;
    text-decoration: none;
}

button:active, input[type="submit"]:active, .btn:active {
    transform: translateY(-1px);
}

/* Special Buttons */
.btn-secondary {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.4);
}

.btn-outline {
    background: transparent;
    border: 2px solid #ffffff;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    background: #ffffff;
    color: #667eea;
    border-color: #ffffff;
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

/* Share Button */
.share {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #ffffff;
    padding: 1.25rem 2.5rem;
    border: none;
    border-radius: 16px;
    text-decoration: none;
    display: inline-block;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
    width: 100%;
    text-align: center;
    margin: 1.5rem 0;
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
    font-family: 'Poppins', sans-serif;
}

.share::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.share:hover::before {
    left: 100%;
}

.share:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.4);
    color: #ffffff;
    text-decoration: none;
}

/* WiFi Status Indicators */
.wifi-status {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.wifi-status.connected {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 2px solid rgba(16, 185, 129, 0.3);
}

.wifi-status.disconnected {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 2px solid rgba(239, 68, 68, 0.3);
}

.wifi-status:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Signal Strength Indicator */
.signal-strength {
    display: inline-flex;
    align-items: flex-end;
    gap: 3px;
    height: 24px;
}

.signal-bar {
    width: 4px;
    background: #d1d5db;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.signal-bar:nth-child(1) { height: 25%; }
.signal-bar:nth-child(2) { height: 50%; }
.signal-bar:nth-child(3) { height: 75%; }
.signal-bar:nth-child(4) { height: 100%; }

.signal-strength.strong .signal-bar {
    background: #10b981;
}

.signal-strength.medium .signal-bar:nth-child(-n+3) {
    background: #f59e0b;
}

.signal-strength.weak .signal-bar:nth-child(1) {
    background: #ef4444;
}

/* Footer */
.site-footer {
    background: rgba(30, 41, 59, 0.95);
    color: #ffffff;
    padding: 3rem 0;
    margin-top: 4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
}

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

.footer-content p {
    margin-bottom: 1rem;
    opacity: 0.9;
    font-size: 1rem;
}

.footer-content a {
    color: #dbeafe;
    margin: 0 0.5rem;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.footer-content a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .card {
        padding: 2rem;
        margin-bottom: 2rem;
        border-radius: 16px;
    }
    
    .country-selector {
        padding: 2rem;
        margin: 2rem 1rem;
        border-radius: 20px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .nav-menu {
        justify-content: center;
        gap: 0.5rem;
    }
    
    .nav-menu a {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    button, input[type="submit"], .btn {
        width: 100%;
        margin-bottom: 1rem;
        padding: 1rem 2rem;
    }
    
    .main-content {
        padding: 2rem 0;
    }
}

@media (max-width: 480px) {
    .card {
        padding: 1.5rem;
        border-radius: 12px;
    }
    
    .country-selector {
        padding: 1.5rem;
        border-radius: 16px;
    }
    
    select {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 1rem;
    }
    
    .nav-menu {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-menu a {
        width: 100%;
        text-align: center;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card {
        border: 3px solid #374151;
    }
    
    button, input[type="submit"], .btn {
        border: 2px solid #ffffff;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .card::before {
        animation: none;
    }
}

/* Print styles */
@media print {
    body {
        background: #ffffff;
        color: #000000;
    }
    
    .card {
        background: #ffffff;
        box-shadow: none;
        border: 1px solid #000000;
    }
    
    .site-header, .site-footer {
        background: #ffffff;
        color: #000000;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .card {
        background: rgba(30, 41, 59, 0.95);
        color: #ffffff;
    }
    
    .card h2, .card h3 {
        color: #ffffff;
    }
    
    .card p {
        color: #e2e8f0;
    }
    
    select {
        background: #374151;
        color: #ffffff;
        border-color: #4b5563;
    }
}

/* Accessibility improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles */
button:focus, input:focus, select:focus, a:focus {
    outline: 3px solid #60a5fa;
    outline-offset: 2px;
}

/* Smooth scrolling for reduced motion users */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}