/* ========================================
   IPVitals.io - Global Styles
   ======================================== */

/* CSS Variables */
:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-tertiary: #1a2332;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #0ea5e9;
    --accent-secondary: #14b8a6;
    --gradient-primary: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    --glass-bg: rgba(17, 24, 39, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-primary: 0 4px 30px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.15);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

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

img {
    max-width: 100%;
    height: auto;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Ad Containers
   ======================================== */
.ad-container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background: var(--glass-bg);
    border: 1px dashed var(--glass-border);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 90px;
}

.ad-label {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* ========================================
   Glass Card Effect
   ======================================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-primary);
    transition: var(--transition);
}

.glass-card:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 26, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.nav-logo .dot {
    color: var(--accent-primary);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(20, 184, 166, 0.1) 100%),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 50px,
            rgba(255, 255, 255, 0.02) 50px,
            rgba(255, 255, 255, 0.02) 51px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 50px,
            rgba(255, 255, 255, 0.02) 50px,
            rgba(255, 255, 255, 0.02) 51px
        );
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at 30% 30%,
        rgba(14, 165, 233, 0.15) 0%,
        transparent 50%
    ),
    radial-gradient(
        circle at 70% 70%,
        rgba(20, 184, 166, 0.1) 0%,
        transparent 50%
    );
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    width: 100%;
}

.hero-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    animation: float 3s ease-in-out infinite;
}

.hero-logo svg {
    width: 100%;
    height: 100%;
}

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

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 800;
    margin-bottom: 10px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title .accent {
    color: var(--accent-primary);
}

.hero-slogan {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 500;
}

/* IP Card */
.ip-card {
    padding: 30px;
    margin-bottom: 30px;
}

.ip-card-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.ip-card-header i {
    color: var(--accent-primary);
}

.copy-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    margin-left: 10px;
}

.copy-btn:hover {
    background: var(--accent-primary);
    color: white;
}

.ip-display {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.ip-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.ip-info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.ip-info-item i {
    color: var(--accent-secondary);
}

/* Quick Stats */
.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.stat-card {
    padding: 20px;
    text-align: center;
}

.stat-card i {
    font-size: 1.5rem;
    color: var(--accent-primary);
    margin-bottom: 10px;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========================================
   Tools Section
   ======================================== */
.tools-section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 10px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Tool Tabs */
.tool-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.tool-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.tool-tab i {
    font-size: 1rem;
}

.tool-tab:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.tool-tab.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.tool-tab.active i {
    color: white;
}

/* Tool Content */
.tool-content {
    max-width: 900px;
    margin: 0 auto;
}

.tool-panel {
    display: none;
}

.tool-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel-header {
    margin-bottom: 20px;
}

.panel-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 600;
}

.panel-header h3 i {
    color: var(--accent-primary);
}

.panel-content {
    padding: 30px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
}

/* Info Box */
.info-box {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    margin-bottom: 20px;
}

.info-box h4 {
    color: var(--accent-primary);
    margin-bottom: 10px;
    font-size: 1rem;
}

.info-box p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.7;
}

.info-box ul {
    list-style: disc;
    padding-left: 20px;
}

.info-box ul li {
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* IP Details */
.ip-details {
    display: grid;
    gap: 15px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--accent-primary);
}

.detail-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.detail-value {
    color: var(--text-primary);
    font-weight: 500;
    font-family: 'Monaco', 'Consolas', monospace;
}

/* Action Buttons */
.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(14, 165, 233, 0.3);
}

.secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.secondary-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
}

/* Test Results */
.test-results {
    margin-top: 20px;
    padding: 20px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    display: none;
}

.test-results.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

.placeholder-text {
    color: var(--text-muted);
    text-align: center;
    font-style: italic;
}

/* Leak Status */
.leak-status {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.status-indicator {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.status-indicator.safe {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.status-indicator.warning {
    background: rgba(250, 204, 21, 0.2);
    color: #facc15;
}

.status-indicator.danger {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.status-text {
    font-size: 1.1rem;
    font-weight: 500;
}

/* WebRTC IPs */
.webrtc-ips {
    display: grid;
    gap: 10px;
}

.webrtc-ip-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 15px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.9rem;
}

.webrtc-ip-item.public {
    border-left: 3px solid #ef4444;
}

.webrtc-ip-item.local {
    border-left: 3px solid #22c55e;
}

/* Speed Test */
.speed-test-container {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
}

.speed-gauge {
    position: relative;
}

.gauge-ring {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 8px solid var(--bg-tertiary);
    border-top-color: var(--accent-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: gaugePulse 2s ease-in-out infinite;
}

@keyframes gaugePulse {
    0%, 100% { border-top-color: var(--accent-primary); }
    50% { border-top-color: var(--accent-secondary); }
}

.speed-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.speed-unit {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.speed-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.speed-detail {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    min-width: 200px;
}

.speed-detail .label {
    color: var(--text-muted);
}

.speed-detail .value {
    font-weight: 600;
    color: var(--accent-secondary);
}

.speed-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin-bottom: 20px;
}

.info-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-align: center;
}

/* Search Box */
.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.search-box input {
    flex: 1;
    padding: 14px 18px;
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-box button {
    padding: 14px 24px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.search-box button:hover {
    transform: translateY(-2px);
}

/* Lookup Results */
.lookup-results {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    padding: 20px;
}

.lookup-result-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 15px;
    border-bottom: 1px solid var(--glass-border);
}

.lookup-result-item:last-child {
    border-bottom: none;
}

.lookup-result-item .label {
    color: var(--text-muted);
}

/* Health Dashboard */
.health-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.health-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto auto;
    gap: 5px 15px;
    padding: 20px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    align-items: center;
}

.health-icon {
    grid-row: span 2;
    width: 50px;
    height: 50px;
    background: var(--bg-secondary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--accent-primary);
}

.health-name {
    font-weight: 600;
    color: var(--text-primary);
}

.health-target {
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.health-status {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
}

.health-latency {
    grid-column: 2 / 4;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.status-good { color: #22c55e; }
.status-warning { color: #facc15; }
.status-bad { color: #ef4444; }

/* ========================================
   VPN Section
   ======================================== */
.vpn-section {
    padding: 80px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(14, 165, 233, 0.05) 50%, transparent 100%);
}

.vpn-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.vpn-card {
    padding: 30px;
    position: relative;
    text-align: center;
}

.vpn-card.featured {
    border: 2px solid var(--accent-primary);
    transform: scale(1.02);
}

.vpn-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.vpn-badge.popular {
    background: var(--gradient-primary);
    color: white;
}

.vpn-badge.value {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
}

.vpn-badge.speed {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
}

.vpn-logo {
    margin-bottom: 20px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vpn-logo img {
    max-height: 50px;
    max-width: 140px;
    object-fit: contain;
}

.vpn-name-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.vpn-features {
    text-align: left;
    margin-bottom: 25px;
}

.vpn-features .feature {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--glass-border);
}

.vpn-features .feature:last-child {
    border-bottom: none;
}

.vpn-features .feature i {
    color: var(--accent-secondary);
    margin-top: 3px;
}

.vpn-features .feature span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.vpn-price {
    margin-bottom: 20px;
}

.vpn-price .price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.vpn-price .price span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

.vpn-price .original {
    display: block;
    color: var(--text-muted);
    text-decoration: line-through;
    font-size: 0.9rem;
    margin-top: 5px;
}

.vpn-btn {
    display: block;
    padding: 16px 24px;
    background: var(--gradient-primary);
    border-radius: 10px;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    transition: var(--transition);
}

.vpn-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(14, 165, 233, 0.4);
}

.vpn-btn i {
    margin-left: 8px;
    transition: var(--transition);
}

.vpn-btn:hover i {
    transform: translateX(4px);
}

.affiliate-disclaimer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.affiliate-disclaimer i {
    color: var(--accent-primary);
}

/* ========================================
   About Section
   ======================================== */
.about-section {
    padding: 80px 0;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px;
    text-align: center;
}

.about-content h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
}

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

.about-stat .number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 5px;
}

.about-stat .label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .nav-logo {
    font-size: 1.25rem;
    margin-bottom: 15px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-column h4 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1rem;
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--gradient-primary);
    color: white;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding: 100px 20px 40px;
    }
    
    .hero-logo {
        width: 80px;
        height: 80px;
    }
    
    .ip-card {
        padding: 20px;
    }
    
    .ip-info {
        flex-direction: column;
        gap: 10px;
    }
    
    .quick-stats {
        grid-template-columns: 1fr;
    }
    
    .tool-tabs {
        flex-direction: column;
    }
    
    .tool-tab {
        width: 100%;
        justify-content: center;
    }
    
    .panel-content {
        padding: 20px;
    }
    
    .search-box {
        flex-direction: column;
    }
    
    .search-box button {
        width: 100%;
    }
    
    .vpn-card.featured {
        transform: none;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .speed-info {
        width: 100%;
    }
    
    .speed-buttons {
        flex-direction: column;
    }
    
    .vpn-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 14px 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-weight: 500;
    z-index: 9999;
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast i {
    color: var(--accent-secondary);
}