/**
 * HexaDNS.de - DNS Tools & Server Landing Page
 * Stylesheet
 */

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

:root {
    --bg-color: #0d0821;
    --primary: #ff51f9;
    --accent-1: #a348ff;
    --accent-2: #3978ff;
    --neon-blue: #00cfff;
    --success: #32fba2;
    --warning: #ffcc00;
    --error: #ff4d6d;
    --text: #ffffff;
    --text-dim: #cfc9dd;
    --glass-bg: rgba(255,255,255,0.05);
    --glass-border: rgba(255,255,255,0.1);
    --font: 'Inter', sans-serif;
    --font-logo: 'Russo One', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13,8,33,0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.logo {
    font-family: var(--font-logo);
    font-size: 1.5rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    color: var(--primary);
}

.logo span {
    background: linear-gradient(135deg, var(--primary), var(--neon-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(50,251,162,0.1);
    border: 1px solid rgba(50,251,162,0.3);
    padding: 0.4rem 0.875rem;
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--success);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.nav-link {
    color: var(--text-dim);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: 0.3s;
}

.nav-link:hover {
    color: var(--text);
    background: var(--glass-bg);
}

/* Network Background */
.network-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Hero */
.hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 1.5rem 60px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
}

.hero-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    color: var(--primary);
    animation: float 3s ease-in-out infinite;
}

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

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.highlight {
    background: linear-gradient(135deg, var(--primary), var(--neon-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
}

/* Tools Section */
.tools-section {
    padding: 2rem 1.5rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
}

/* Tool Tabs */
.tool-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 2rem;
    padding: 0.5rem;
    border-radius: 1rem;
    background: rgba(0,0,0,0.2);
}

.tool-tab {
    padding: 0.75rem 1.25rem;
    border: none;
    background: transparent;
    color: var(--text-dim);
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 0.75rem;
    transition: 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.tool-tab.active {
    background: linear-gradient(135deg, var(--primary), var(--accent-1));
    color: var(--text);
}

.tool-tab svg {
    width: 18px;
    height: 18px;
}

/* Tool Panels */
.tool-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tool-panel.active {
    display: block;
}

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

/* Tool Card */
.tool-card {
    padding: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.tool-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.tool-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.tool-header p {
    color: var(--text-dim);
    font-size: 0.95rem;
}

/* Input Group */
.input-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.input-group input,
.input-group select {
    flex: 1;
    padding: 0.875rem 1rem;
    border: 1px solid var(--glass-border);
    border-radius: 0.5rem;
    background: rgba(255,255,255,0.05);
    color: var(--text);
    font-family: var(--font);
    font-size: 1rem;
    transition: 0.3s;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255,255,255,0.08);
}

.input-group input::placeholder {
    color: var(--text-dim);
}

.input-group select {
    min-width: 120px;
    flex: 0;
    cursor: pointer;
}

.input-group select option {
    background: var(--bg-color);
}

.btn {
    padding: 0.875rem 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent-1));
    border: none;
    border-radius: 0.5rem;
    color: var(--text);
    font-family: var(--font);
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,81,249,0.4);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn svg {
    width: 18px;
    height: 18px;
}

/* Results */
.results {
    background: rgba(0,0,0,0.3);
    border-radius: 0.75rem;
    padding: 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    min-height: 200px;
    max-height: 500px;
    overflow-y: auto;
}

.results::-webkit-scrollbar {
    width: 6px;
}

.results::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.05);
    border-radius: 3px;
}

.results::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 3px;
}

.line {
    padding: 0.2rem 0;
    animation: typeLine 0.2s ease forwards;
}

@keyframes typeLine {
    from { opacity: 0; transform: translateX(-5px); }
    to { opacity: 1; transform: translateX(0); }
}

.line.comment { color: var(--text-dim); }
.line.header { color: var(--primary); font-weight: 600; }
.line.record { color: var(--neon-blue); }
.line.success { color: var(--success); }
.line.warning { color: var(--warning); }
.line.error { color: var(--error); }
.line.info { color: var(--text-dim); }

/* Propagation Grid */
.prop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.prop-card {
    padding: 1rem;
    border-radius: 0.75rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
}

.prop-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.prop-card-header h4 {
    font-size: 0.95rem;
    font-weight: 600;
}

.prop-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.prop-status.online { background: var(--success); }
.prop-status.offline { background: var(--error); }

.prop-card-info {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

.prop-card-result {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--neon-blue);
    word-break: break-all;
}

.prop-card-time {
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-top: 0.5rem;
}

/* Progress Bar */
.progress-bar {
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--neon-blue));
    border-radius: 3px;
    transition: width 0.3s;
}

/* SSL/WHOIS Cards */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.info-card {
    padding: 1.25rem;
    border-radius: 0.75rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
}

.info-card h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.info-card p {
    font-size: 0.95rem;
    color: var(--text);
    word-break: break-all;
}

.info-card.success { border-color: rgba(50,251,162,0.3); }
.info-card.warning { border-color: rgba(255,204,0,0.3); }
.info-card.error { border-color: rgba(255,77,109,0.3); }

/* DNS Explanation Section */
.dns-explain {
    padding: 4rem 1.5rem;
    background: rgba(255,255,255,0.02);
}

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

.record-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.record-type {
    padding: 1.5rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.record-type:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255,81,249,0.2);
}

.record-type-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.record-type-badge {
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, var(--primary), var(--accent-1));
    border-radius: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
}

.record-type h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.record-type p {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.6;
}

.record-type code {
    background: rgba(0,207,255,0.1);
    color: var(--neon-blue);
    padding: 0.1rem 0.4rem;
    border-radius: 0.25rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

/* DNS Flow Animation */
.dns-flow {
    margin-top: 3rem;
    padding: 2rem;
    text-align: center;
}

.dns-flow h3 {
    margin-bottom: 2rem;
    font-size: 1.25rem;
}

.flow-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 2rem 0;
}

.flow-step {
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    min-width: 120px;
    text-align: center;
    position: relative;
}

.flow-step-num {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 24px;
    background: var(--primary);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flow-step-icon {
    width: 32px;
    height: 32px;
    margin: 0 auto 0.5rem;
    color: var(--neon-blue);
}

.flow-step p {
    font-size: 0.85rem;
    color: var(--text-dim);
}

.flow-step strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--text);
}

.flow-arrow {
    color: var(--primary);
    font-size: 1.5rem;
}

/* Features Section */
.features {
    padding: 4rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.feature {
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.3s;
}

.feature:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    color: var(--primary);
}

.feature h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.feature p {
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* DNS Server Info */
.dns-servers {
    padding: 4rem 1.5rem;
    background: rgba(255,255,255,0.02);
}

.dns-servers-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.server-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.server-card {
    padding: 1.5rem;
    text-align: center;
}

.server-card h4 {
    color: var(--primary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}

.server-name {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--neon-blue);
    background: rgba(0,207,255,0.1);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    display: inline-block;
}

/* Footer */
.footer {
    padding: 3rem 1.5rem 2rem;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    margin-top: 4rem;
}

.footer p {
    color: var(--text-dim);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.875rem;
    transition: 0.3s;
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-left .status-badge { display: none; }
    .input-group { flex-direction: column; }
    .input-group select { min-width: 100%; }
    .btn { width: 100%; justify-content: center; }
    .tool-tabs { gap: 0.25rem; }
    .tool-tab { padding: 0.6rem 0.8rem; font-size: 0.8rem; }
    .tool-tab span { display: none; }
    .flow-container { flex-direction: column; }
    .flow-arrow { transform: rotate(90deg); }
    .footer-links { flex-direction: column; gap: 1rem; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}