/* ── Celebrity Wireless Communications LLC — Styles ───────────────────────── */

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a2332;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #22d3ee;
    --accent-dim: rgba(34, 211, 238, 0.15);
    --accent-glow: rgba(34, 211, 238, 0.3);
    --border: #1e293b;
    --success: #4ade80;
    --warning: #fbbf24;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

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

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

/* ── Typography ───────────────────────────────────────────────────────────── */

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

.mono { font-family: var(--font-mono); }
.accent { color: var(--accent); }
.muted { color: var(--text-secondary); }

/* ── Layout ───────────────────────────────────────────────────────────────── */

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 6rem 0;
}

/* ── Nav ──────────────────────────────────────────────────────────────────── */

nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 23, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    padding: 1rem 0;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

/* ── Hero ─────────────────────────────────────────────────────────────────── */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 40%, var(--accent-dim) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite alternate;
}

@keyframes pulse {
    from { opacity: 0.4; transform: scale(1); }
    to   { opacity: 0.7; transform: scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-tag {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-tag::before {
    content: '>';
    color: var(--accent);
}

.hero h1 {
    margin-bottom: 1.5rem;
}

.hero-sub {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin-bottom: 2.5rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    box-shadow: 0 0 30px var(--accent-glow);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.btn-secondary:hover {
    background: var(--accent-dim);
}

.btn-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ── Cards ────────────────────────────────────────────────────────────────── */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
    border-color: rgba(34, 211, 238, 0.3);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.card-icon {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card h3 {
    margin-bottom: 0.75rem;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ── Booking Cards ────────────────────────────────────────────────────────── */

.booking-card {
    display: flex;
    flex-direction: column;
    position: relative;
    padding-top: 2.5rem;
}

.booking-badge {
    position: absolute;
    top: -1px;
    right: 1.5rem;
    background: var(--bg-secondary);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.3rem 0.75rem;
    border-radius: 0 0 6px 6px;
    border: 1px solid var(--border);
    border-top: none;
}

.booking-badge.accent-badge {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

.booking-features {
    list-style: none;
    margin: 1rem 0 1.5rem;
    padding: 0;
}

.booking-features li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 0.35rem 0;
    padding-left: 1.25rem;
    position: relative;
}

.booking-features li::before {
    content: '+';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-family: var(--font-mono);
    font-weight: 700;
}

/* ── Case Study Section ───────────────────────────────────────────────────── */

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

.case-study-header {
    margin-bottom: 3rem;
}

.pipeline-diagram {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--accent);
    overflow-x: auto;
    margin: 2rem 0;
}

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

.metric {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.metric-value {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--success);
}

.metric-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ── Pedigree Section ─────────────────────────────────────────────────────── */

.timeline {
    position: relative;
    margin-top: 3rem;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--border));
}

.timeline-item {
    position: relative;
    padding-bottom: 2.5rem;
    padding-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.35rem;
    top: 0.5rem;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--accent-glow);
}

.timeline-year {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 0.25rem;
}

.timeline-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.timeline-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ── CTA Section ──────────────────────────────────────────────────────────── */

.cta {
    text-align: center;
    background: linear-gradient(to bottom, var(--bg-primary), var(--bg-secondary));
}

.cta h2 {
    margin-bottom: 1rem;
}

.cta p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* ── Footer ───────────────────────────────────────────────────────────────── */

footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ── Chat Widget ──────────────────────────────────────────────────────────── */

.chat-bubble {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px var(--accent-glow);
    transition: transform 0.2s, box-shadow 0.2s;
    z-index: 1000;
    border: none;
    color: var(--bg-primary);
    font-size: 1.4rem;
}

.chat-bubble:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 30px var(--accent-glow);
}

.chat-panel {
    position: fixed;
    bottom: 6rem;
    right: 2rem;
    width: 400px;
    height: 520px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    display: none;
    flex-direction: column;
    z-index: 1000;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.chat-panel.open {
    display: flex;
}

.chat-header {
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header-title {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
}

.chat-header-status {
    font-size: 0.75rem;
    color: var(--success);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.chat-header-status::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
}

.chat-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.25rem;
    line-height: 1;
}

.chat-close:hover {
    color: var(--text-primary);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.chat-messages::-webkit-scrollbar {
    width: 4px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

.chat-msg {
    max-width: 85%;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.9rem;
    line-height: 1.5;
    word-wrap: break-word;
}

.chat-msg.assistant {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.chat-msg.user {
    background: var(--accent);
    color: var(--bg-primary);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.chat-msg.system {
    background: var(--accent-dim);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-align: center;
    align-self: center;
    border-radius: 6px;
    padding: 0.5rem 1rem;
}

.chat-typing {
    display: flex;
    gap: 4px;
    padding: 0.75rem 1rem;
    align-self: flex-start;
}

.chat-typing span {
    width: 6px;
    height: 6px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typing 1.2s ease-in-out infinite;
}

.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
    30% { opacity: 1; transform: translateY(-4px); }
}

.chat-input-bar {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 0.5rem;
    background: var(--bg-card);
}

.chat-input {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.6rem 0.875rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

.chat-input:focus {
    border-color: var(--accent);
}

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

.chat-send {
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: 8px;
    padding: 0.6rem 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
    font-size: 0.9rem;
}

.chat-send:hover {
    opacity: 0.9;
}

.chat-send:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.chat-booking-cta {
    display: block;
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--accent);
    color: var(--bg-primary);
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    transition: opacity 0.2s;
}

.chat-booking-cta:hover {
    opacity: 0.9;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .nav-links {
        display: none;
    }

    section {
        padding: 4rem 0;
    }

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

    .metric-row {
        grid-template-columns: 1fr 1fr;
    }

    .chat-panel {
        width: calc(100vw - 2rem);
        right: 1rem;
        bottom: 5rem;
        height: 70vh;
    }

    .chat-bubble {
        bottom: 1rem;
        right: 1rem;
    }
}