@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@300;400;500&family=Syne:wght@400;500;600;700&display=swap');

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #18181f;
    --border: rgba(255, 255, 255, 0.07);
    --border-strong: rgba(255, 255, 255, 0.12);
    --accent: #7c6fff;
    --accent-dim: rgba(124, 111, 255, 0.15);
    --accent-glow: rgba(124, 111, 255, 0.25);
    --blue: #3b82f6;
    --blue-dim: rgba(59, 130, 246, 0.15);
    --emerald: #10b981;
    --emerald-dim: rgba(16, 185, 129, 0.15);
    --purple: #8b5cf6;
    --purple-dim: rgba(139, 92, 246, 0.15);
    --amber: #f59e0b;
    --amber-dim: rgba(245, 158, 11, 0.15);
    --rose: #f43f5e;
    --rose-dim: rgba(244, 63, 94, 0.15);
    --text: #f0eff8;
    --text-muted: #6b6a7a;
    --text-dim: #3a3948;
    --green: #3ddc84;
    --red: #ff5c6a;
    --white: #ffffff;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Mono', monospace;
    background: var(--bg-primary);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: 'Syne', sans-serif;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
    text-decoration: none;
}

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

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-cta {
    background: var(--accent);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-cta:hover {
    background: var(--accent-glow);
    box-shadow: 0 0 20px var(--accent-dim);
}

.hero {
    position: relative;
    padding: 160px 24px 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(124, 111, 255, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(59, 130, 246, 0.1), transparent);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--accent-dim);
    border: 1px solid rgba(124, 111, 255, 0.2);
    border-radius: 100px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--accent);
    margin-bottom: 24px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--green);
    animation: pulse 2s infinite;
}

.hero-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    color: var(--text);
}

.title-gradient {
    background: linear-gradient(135deg, var(--accent) 0%, var(--purple) 50%, var(--blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.hero-subtitle strong {
    color: var(--text);
    font-weight: 500;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 10px;
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--accent-glow);
    box-shadow: 0 0 30px var(--accent-dim);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text);
    border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
    background: #1e1e28;
    border-color: var(--accent);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
}

.hero-meta {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meta-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.meta-value {
    font-size: 13px;
    color: var(--text);
    font-weight: 500;
}

.section {
    padding: 100px 24px;
}

.section-gradient {
    background: linear-gradient(180deg, transparent 0%, rgba(124, 111, 255, 0.03) 50%, transparent 100%);
}

.section-alt {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-dim);
    padding: 4px 12px;
    border-radius: 100px;
    margin-bottom: 12px;
}

.section-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    color: var(--text);
}

.section-desc {
    font-size: 15px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    transition: all 0.3s;
}

.feature-card:hover {
    background: #15151b;
    border-color: var(--border-strong);
    transform: translateY(-4px);
}

.feature-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-dim);
    border: 1px solid rgba(124, 111, 255, 0.3);
    border-radius: 10px;
    color: var(--accent);
    margin-bottom: 16px;
}

.feature-icon.icon-blue {
    background: var(--blue-dim);
    border-color: rgba(59, 130, 246, 0.3);
    color: var(--blue);
}

.feature-icon.icon-purple {
    background: var(--purple-dim);
    border-color: rgba(139, 92, 246, 0.3);
    color: var(--purple);
}

.feature-icon.icon-emerald {
    background: var(--emerald-dim);
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--emerald);
}

.feature-icon.icon-amber {
    background: var(--amber-dim);
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--amber);
}

.feature-icon.icon-rose {
    background: var(--rose-dim);
    border-color: rgba(244, 63, 94, 0.3);
    color: var(--rose);
}

.feature-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.feature-card p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.app-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s;
}

.app-card:hover {
    transform: translateY(-4px);
}

.app-primary {
    border-color: rgba(124, 111, 255, 0.2);
    background: linear-gradient(135deg, rgba(124, 111, 255, 0.05), transparent);
}

.app-primary:hover {
    border-color: rgba(124, 111, 255, 0.4);
    box-shadow: 0 0 40px rgba(124, 111, 255, 0.1);
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.app-icon-3cx {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    border-radius: 12px;
    color: var(--white);
}

.app-icon-zoiper {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #a29bfe, #6c5ce7);
    border-radius: 12px;
    color: var(--white);
}

.app-badge {
    background: linear-gradient(135deg, var(--accent), var(--purple));
    color: var(--white);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 100px;
}

.app-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.app-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
}

.app-features {
    list-style: none;
    margin-bottom: 24px;
}

.app-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-muted);
    padding: 6px 0;
}

.app-features svg {
    color: var(--emerald);
    flex-shrink: 0;
}

.app-note {
    font-size: 11px;
    color: var(--text-dim);
    text-align: center;
    margin-top: 12px;
}

.btn-primary svg,
.btn-secondary svg {
    flex-shrink: 0;
}

.setup-tabs {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 24px;
}

.tab-headers {
    display: flex;
    border-bottom: 1px solid var(--border);
}

.tab-btn {
    flex: 1;
    padding: 16px 24px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.tab-btn:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
    color: var(--accent);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
}

.tab-content {
    padding: 32px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.setup-step {
    display: flex;
    gap: 20px;
    padding: 20px;
    border-radius: 10px;
    transition: background 0.2s;
}

.setup-step:hover {
    background: rgba(255, 255, 255, 0.02);
}

.step-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-dim);
    border: 1px solid rgba(124, 111, 255, 0.3);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    flex-shrink: 0;
}

.step-content h4 {
    font-family: 'Syne', sans-serif;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text);
}

.step-content p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

.config-params {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
}

.config-title {
    font-family: 'Syne', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
}

.config-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
}

.config-label {
    display: block;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    margin-bottom: 4px;
}

.config-code {
    font-size: 13px;
    color: var(--text);
    font-weight: 500;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.faq-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
}

.faq-item h4 {
    font-family: 'Syne', sans-serif;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text);
}

.faq-item p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 48px 24px 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 12px;
    line-height: 1.6;
    max-width: 300px;
}

.footer h5 {
    font-family: 'Syne', sans-serif;
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s;
}

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

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 12px;
    color: var(--text-dim);
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero {
        padding: 120px 24px 60px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-meta {
        gap: 16px;
    }

    .section {
        padding: 60px 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}