/* ============================================================
   SOLVBIT — AI & Tech Consulting
   Dark cyberpunk · Electric cyan accent · JetBrains Mono
   ============================================================ */

:root {
    --bg-primary:    #0a0e14;
    --bg-secondary:  #111922;
    --bg-tertiary:   #1a2332;
    --bg-elevated:   #1e2a3a;

    --accent:        #00ffc8;
    --accent-dim:    #00d4a8;
    --accent-glow:   rgba(0, 255, 200, 0.15);
    --accent-subtle: rgba(0, 255, 200, 0.07);
    --accent-purple: #a78bfa;
    --accent-warm:   #ffaa00;

    --text-primary:  #e8f4f0;
    --text-secondary:#8b9eb0;
    --text-muted:    #4a5a6a;

    --border:        rgba(255, 255, 255, 0.07);
    --border-accent: rgba(0, 255, 200, 0.25);

    --font-display:  'Outfit', sans-serif;
    --font-mono:     'JetBrains Mono', monospace;

    --r-sm: 6px;
    --r-md: 10px;
    --r-lg: 16px;
    --r-xl: 24px;

    --t: 220ms ease;
}

/* ── Reset ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-display);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* ── Background ─────────────────────────────── */
.bg-grid {
    position: fixed; inset: 0; pointer-events: none; z-index: 0;
    background-image:
        linear-gradient(rgba(0,255,200,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,255,200,.025) 1px, transparent 1px);
    background-size: 60px 60px;
}
.bg-glow {
    position: fixed; top: -50%; left: -50%;
    width: 200%; height: 200%;
    background:
        radial-gradient(ellipse at 25% 20%, rgba(0,255,200,.07) 0%, transparent 50%),
        radial-gradient(ellipse at 75% 80%, rgba(167,139,250,.05) 0%, transparent 50%);
    pointer-events: none; z-index: 0;
    animation: glowPulse 18s ease-in-out infinite;
}
@keyframes glowPulse {
    0%,100%{opacity:1;transform:scale(1)}
    50%{opacity:.6;transform:scale(1.06)}
}

/* ── Container ──────────────────────────────── */
.container {
    position: relative; z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 4vw, 2.5rem);
}

/* ── Buttons ─────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: .5rem;
    padding: .55rem 1.25rem;
    font-family: var(--font-display); font-size: .9rem; font-weight: 600;
    border: none; border-radius: var(--r-md);
    cursor: pointer; transition: var(--t);
    text-decoration: none; white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px rgba(0,255,200,.2);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 30px rgba(0,255,200,.35); }
.btn-outline {
    background: transparent; color: var(--text-primary);
    border: 1px solid var(--border-accent);
}
.btn-outline:hover { background: var(--accent-subtle); color: var(--accent); }
.btn-icon {
    width: 40px; height: 40px; padding: 0;
    background: var(--bg-tertiary); color: var(--text-secondary);
    border: 1px solid var(--border); border-radius: var(--r-md);
    flex-shrink: 0;
}
.btn-icon:hover { color: var(--accent); border-color: var(--border-accent); }
.btn-lg { padding: .8rem 1.75rem; font-size: 1rem; border-radius: var(--r-md); }
.btn-full { width: 100%; }

/* ── Navbar ─────────────────────────────────── */
.navbar {
    position: sticky; top: 0; z-index: 200;
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem clamp(1rem, 4vw, 2.5rem);
    background: rgba(10,14,20,.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: background var(--t), border-color var(--t);
}
.navbar.scrolled { background: rgba(10,14,20,.98); }

.logo {
    display: flex; align-items: center; gap: .5rem;
    flex-shrink: 0;
}
.logo-icon {
    width: 36px; height: 36px; color: var(--accent);
    animation: logoGlow 3s ease-in-out infinite;
}
@keyframes logoGlow {
    0%,100%{filter:drop-shadow(0 0 8px rgba(0,255,200,.4))}
    50%{filter:drop-shadow(0 0 18px rgba(0,255,200,.65))}
}
.logo-text {
    font-family: var(--font-mono);
    font-size: 1.35rem; font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.nav-links { display: flex; gap: .25rem; }
.nav-link {
    padding: .45rem .9rem;
    color: var(--text-secondary); font-size: .9rem; font-weight: 500;
    border-radius: var(--r-md); transition: var(--t);
}
.nav-link:hover { color: var(--text-primary); background: var(--accent-subtle); }

.nav-actions { display: flex; align-items: center; gap: .75rem; }
.nav-cta { padding: .5rem 1.1rem; font-size: .85rem; }

/* Hamburger */
.hamburger {
    display: none; flex-direction: column; justify-content: center;
    gap: 5px; padding: 0 10px; width: 40px; height: 40px;
}
.hamburger span {
    display: block; height: 2px; background: var(--text-secondary);
    border-radius: 2px; transition: var(--t);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
    position: fixed; top: 65px; left: 0; right: 0; z-index: 190;
    background: rgba(10,14,20,.97); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    display: flex; flex-direction: column; gap: .25rem;
    padding: 1rem clamp(1rem, 4vw, 2rem);
    transform: translateY(-110%); transition: transform .3s ease;
    pointer-events: none;
}
.mobile-menu.open { transform: translateY(0); pointer-events: all; }
.mobile-nav-link {
    padding: .75rem 1rem;
    color: var(--text-secondary); font-size: 1rem; font-weight: 500;
    border-radius: var(--r-md); transition: var(--t);
}
.mobile-nav-link:hover { color: var(--text-primary); background: var(--accent-subtle); }

/* ── Reveal animation ───────────────────────── */
.reveal {
    opacity: 0; transform: translateY(24px);
    transition: opacity .6s ease, transform .6s ease;
    transition-delay: var(--delay, 0ms);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Section base ───────────────────────────── */
.section {
    position: relative; z-index: 1;
    padding: clamp(5rem, 10vw, 8rem) 0;
}
.section-header {
    max-width: 600px;
    margin-bottom: 3.5rem;
}
.section-header.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-tag {
    display: inline-flex; align-items: center; gap: .5rem;
    font-family: var(--font-mono); font-size: .75rem; font-weight: 600;
    color: var(--accent); text-transform: uppercase; letter-spacing: 1.5px;
    margin-bottom: .75rem;
}
.section-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800; line-height: 1.15; letter-spacing: -1px;
    margin-bottom: 1rem;
}
.section-desc { color: var(--text-secondary); font-size: 1.05rem; line-height: 1.7; }

/* ── Gradient text ──────────────────────────── */
.gradient-text {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ── HERO ─────────────────────────────────────── */
.hero {
    position: relative; z-index: 1;
    display: flex; flex-direction: column;
    align-items: flex-start;
    padding: clamp(5rem, 12vw, 10rem) clamp(1rem, 4vw, 2.5rem) 4rem;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex; align-items: center; gap: .6rem;
    padding: .4rem 1rem;
    background: rgba(0,255,200,.07);
    border: 1px solid var(--border-accent);
    border-radius: 999px;
    font-size: .8rem; font-weight: 600; color: var(--accent);
    margin-bottom: 1.75rem;
    font-family: var(--font-mono);
}
.badge-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    animation: blink 2s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.4} }

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800; line-height: 1.05;
    letter-spacing: -3px;
    margin-bottom: 1.5rem;
}
.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary); line-height: 1.7;
    max-width: 560px; margin-bottom: 2rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3.5rem; }

.hero-stats {
    display: flex; align-items: center; gap: 0;
    flex-wrap: wrap;
}
.stat-item {
    display: flex; flex-direction: column;
    padding: 0 2rem;
}
.stat-item:first-child { padding-left: 0; }
.stat-num {
    font-family: var(--font-mono);
    font-size: 2.2rem; font-weight: 700;
    color: var(--accent); line-height: 1;
}
.stat-plus { font-family: var(--font-mono); font-size: 1.4rem; color: var(--accent); line-height: 1; }
.stat-label {
    font-size: .75rem; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 1px;
    margin-top: .35rem;
}
.stat-divider {
    width: 1px; height: 48px;
    background: var(--border);
}

/* ── Marquee ─────────────────────────────────── */
.marquee-wrapper {
    position: relative; z-index: 1;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
    padding: .9rem 0;
    background: var(--bg-secondary);
}
.marquee { overflow: hidden; }
.marquee-track {
    display: flex; gap: 2rem;
    width: max-content;
    animation: marquee 28s linear infinite;
}
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee-track span {
    font-family: var(--font-mono); font-size: .8rem;
    color: var(--text-secondary); white-space: nowrap;
}
.marquee-track .sep { color: var(--accent); opacity: .4; }

/* ── Services ────────────────────────────────── */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}
.service-card {
    padding: 1.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    transition: border-color var(--t), transform var(--t), box-shadow var(--t);
}
.service-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0,0,0,.3);
}
.service-icon {
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent-subtle);
    border: 1px solid var(--border-accent);
    border-radius: var(--r-md);
    color: var(--accent);
    margin-bottom: 1.25rem;
}
.service-card h3 {
    font-size: 1.1rem; font-weight: 700;
    margin-bottom: .6rem;
}
.service-card p {
    font-size: .9rem; color: var(--text-secondary);
    line-height: 1.65; margin-bottom: 1.25rem;
}
.service-features {
    list-style: none;
    display: flex; flex-direction: column; gap: .4rem;
}
.service-features li {
    font-size: .82rem; color: var(--text-muted);
    padding-left: 1rem; position: relative;
}
.service-features li::before {
    content: '→';
    position: absolute; left: 0;
    color: var(--accent); opacity: .7;
}

/* ── About ───────────────────────────────────── */
.about-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 4rem; align-items: center;
}
.about-text {
    color: var(--text-secondary); font-size: 1rem; line-height: 1.75;
    margin-bottom: 1rem;
}
.about-badges {
    display: flex; flex-wrap: wrap; gap: .6rem;
    margin-top: 1.75rem;
}
.about-badge {
    padding: .35rem .85rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: .8rem; color: var(--text-secondary);
    font-family: var(--font-mono);
}

/* Tech stack card */
.tech-stack-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0,0,0,.4);
}
.ts-header {
    display: flex; align-items: center; gap: .5rem;
    padding: .75rem 1rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
}
.ts-dot { width: 10px; height: 10px; border-radius: 50%; }
.ts-dot.red    { background: #ff5f57; }
.ts-dot.yellow { background: #febc2e; }
.ts-dot.green  { background: #28c840; }
.ts-title {
    font-family: var(--font-mono); font-size: .78rem;
    color: var(--text-muted); margin-left: .25rem;
}
.ts-body { padding: 1.25rem 1.5rem; }
.ts-line {
    font-family: var(--font-mono); font-size: .82rem;
    line-height: 1.9;
}
.ts-indent { padding-left: 1.25rem; }
.ts-key   { color: var(--accent-purple); }
.ts-val   { color: var(--text-secondary); }

/* ── Work / Case Studies ─────────────────────── */
.work-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}
.work-card {
    padding: 1.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    display: flex; flex-direction: column; gap: .9rem;
    transition: border-color var(--t), transform var(--t), box-shadow var(--t);
}
.work-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0,0,0,.35);
}
.work-card-header {
    display: flex; align-items: flex-start;
    justify-content: space-between; gap: .75rem;
}
.work-tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.work-tag {
    padding: .2rem .6rem;
    font-size: .72rem; font-weight: 600;
    background: var(--accent-subtle);
    color: var(--accent);
    border: 1px solid var(--border-accent);
    border-radius: 999px;
    font-family: var(--font-mono);
}
.work-metric {
    text-align: right; flex-shrink: 0;
}
.metric-num {
    display: block;
    font-family: var(--font-mono); font-size: 1.5rem; font-weight: 700;
    color: var(--accent); line-height: 1;
}
.metric-label {
    font-size: .7rem; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: .5px;
}
.work-title { font-size: 1.05rem; font-weight: 700; line-height: 1.3; }
.work-desc { font-size: .88rem; color: var(--text-secondary); line-height: 1.65; flex: 1; }
.work-stack {
    display: flex; flex-wrap: wrap; gap: .4rem;
    padding-top: .75rem;
    border-top: 1px solid var(--border);
}
.work-stack span {
    font-size: .75rem; color: var(--text-muted);
    font-family: var(--font-mono);
    padding: .2rem .5rem;
    background: var(--bg-tertiary);
    border-radius: var(--r-sm);
}

/* ── Process ─────────────────────────────────── */
.process-timeline {
    display: flex; align-items: flex-start;
    gap: 0;
}
.process-step {
    flex: 1;
    display: flex; flex-direction: column;
    gap: 1rem;
    padding: 2rem 1.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    transition: border-color var(--t);
}
.process-step:hover { border-color: var(--border-accent); }
.process-connector {
    width: 2px; min-width: 2px; height: 40px; margin-top: 2.5rem;
    background: linear-gradient(to bottom, var(--accent-glow), transparent);
    display: none;
}
.step-num {
    font-family: var(--font-mono); font-size: 2rem; font-weight: 700;
    color: var(--accent); opacity: .3; line-height: 1;
}
.step-content h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: .5rem; }
.step-content p  { font-size: .88rem; color: var(--text-secondary); line-height: 1.65; }

/* ── Testimonials ────────────────────────────── */
.testimonials-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}
.testimonial-card {
    padding: 1.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    display: flex; flex-direction: column; gap: 1.25rem;
    transition: border-color var(--t);
}
.testimonial-card:hover { border-color: var(--border-accent); }
.quote-icon { color: var(--accent); opacity: .35; }
.testimonial-card > p {
    font-size: .95rem; color: var(--text-secondary);
    line-height: 1.7; flex: 1;
    font-style: italic;
}
.testimonial-author {
    display: flex; align-items: center; gap: .85rem;
    padding-top: 1rem; border-top: 1px solid var(--border);
}
.author-avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-purple));
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 1rem; color: var(--bg-primary);
    flex-shrink: 0;
}
.author-name  { font-weight: 600; font-size: .9rem; }
.author-role  { font-size: .78rem; color: var(--text-muted); }

/* ── Contact ─────────────────────────────────── */
.contact-grid {
    display: grid; grid-template-columns: 1fr 1.4fr;
    gap: 4rem; align-items: start;
}
.contact-desc {
    color: var(--text-secondary); font-size: 1rem;
    line-height: 1.7; margin: 1rem 0 1.75rem;
}
.contact-info { display: flex; flex-direction: column; gap: .75rem; }
.contact-item {
    display: flex; align-items: center; gap: .75rem;
    font-size: .9rem; color: var(--text-secondary);
    transition: color var(--t);
}
a.contact-item:hover { color: var(--accent); }

/* Contact form */
.contact-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 2rem;
    display: flex; flex-direction: column; gap: 1.25rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group label {
    font-size: .8rem; font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase; letter-spacing: .5px;
}
.form-group input,
.form-group textarea {
    padding: .75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    color: var(--text-primary);
    font-family: var(--font-display); font-size: .95rem;
    transition: border-color var(--t), box-shadow var(--t);
    width: 100%;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group textarea { resize: vertical; font-family: var(--font-display); }

.form-success {
    display: none; align-items: center; gap: .6rem;
    padding: .9rem 1rem;
    background: rgba(0,255,200,.08);
    border: 1px solid var(--border-accent);
    border-radius: var(--r-md);
    color: var(--accent); font-size: .9rem;
}
.form-success.visible { display: flex; }

/* ── Footer ──────────────────────────────────── */
.footer {
    position: relative; z-index: 1;
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
}
.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}
.footer-tagline {
    margin-top: .85rem;
    font-size: .9rem; color: var(--text-muted); line-height: 1.6;
}
.footer-links {
    display: flex; flex-direction: column; gap: .5rem;
}
.footer-links h4 {
    font-size: .75rem; font-weight: 700;
    color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px;
    margin-bottom: .4rem;
}
.footer-links a {
    font-size: .88rem; color: var(--text-secondary);
    transition: color var(--t);
}
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 2rem; border-top: 1px solid var(--border);
}
.footer-bottom p { font-size: .85rem; color: var(--text-muted); }
.footer-bottom strong { color: var(--accent); }
.footer-note { font-size: .8rem; }

/* ── Toast ───────────────────────────────────── */
.toast {
    position: fixed; bottom: 24px; left: 50%;
    transform: translateX(-50%) translateY(80px);
    padding: .75rem 1.5rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-accent);
    border-radius: var(--r-md);
    color: var(--accent); font-size: .9rem; font-weight: 500;
    box-shadow: 0 8px 32px rgba(0,0,0,.4);
    z-index: 9999; opacity: 0;
    transition: opacity .25s ease, transform .25s ease;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── AI Demo ─────────────────────────────────── */
.demo-wrap {
    position: relative; z-index: 1;
    padding: clamp(5rem, 10vw, 8rem) 0 3rem;
}
.demo-intro { margin-bottom: 2rem; }
.demo-h {
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 800; line-height: 1.05; letter-spacing: -3px;
    margin-bottom: .75rem;
}
.demo-sub {
    font-size: 1.05rem; color: var(--text-secondary);
    max-width: 500px; line-height: 1.7;
}

/* Scenario chips */
.demo-chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.5rem; }
.demo-chip {
    padding: .45rem 1rem;
    font-size: .85rem; font-weight: 600;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    color: var(--text-secondary);
    cursor: pointer; transition: var(--t);
}
.demo-chip:hover { border-color: var(--border-accent); color: var(--text-primary); }
.demo-chip.active {
    background: var(--accent-subtle);
    border-color: var(--border-accent);
    color: var(--accent);
}
.demo-chip:disabled { opacity: .5; cursor: default; }

/* Terminal shell */
.demo-terminal {
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
    background: var(--bg-secondary);
    box-shadow: 0 40px 100px rgba(0,0,0,.55), 0 0 0 1px rgba(0,255,200,.04);
}

/* Chrome bar */
.t-chrome {
    display: flex; align-items: center; gap: 1rem;
    padding: .65rem 1rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    user-select: none;
}
.t-dots { display: flex; gap: 6px; }
.t-dot { width: 11px; height: 11px; border-radius: 50%; }
.t-dot.rd { background: #ff5f57; }
.t-dot.yw { background: #febc2e; }
.t-dot.gn { background: #28c840; }
.t-label {
    flex: 1; text-align: center;
    font-family: var(--font-mono); font-size: .72rem;
    color: var(--text-muted);
}
.t-status {
    display: flex; align-items: center; gap: .4rem;
    font-family: var(--font-mono); font-size: .72rem;
    color: var(--text-muted); flex-shrink: 0;
}
.t-status-dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 6px var(--accent);
    animation: blink 2s ease-in-out infinite;
    transition: background .3s, box-shadow .3s;
}
.t-status.thinking .t-status-dot { background: var(--accent-warm); box-shadow: 0 0 6px var(--accent-warm); }
.t-status.streaming .t-status-dot { background: var(--accent-purple); box-shadow: 0 0 6px var(--accent-purple); }

/* Terminal body: 2-column split */
.t-body {
    display: grid;
    grid-template-columns: 1fr 2px 340px;
    height: 540px;
}

/* Chat panel */
.t-chat { display: flex; flex-direction: column; overflow: hidden; }
.t-msgs {
    flex: 1; overflow-y: auto; padding: 1.25rem;
    display: flex; flex-direction: column; gap: 1rem;
    scroll-behavior: smooth;
}
.t-msgs::-webkit-scrollbar { width: 3px; }
.t-msgs::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 2px; }

/* Messages */
.t-msg { display: flex; gap: .65rem; align-items: flex-start; }
.t-msg.user { flex-direction: row-reverse; }
.t-avatar {
    width: 30px; height: 30px; border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-purple));
    display: flex; align-items: center; justify-content: center;
    font-size: .75rem; font-weight: 800; color: var(--bg-primary);
    flex-shrink: 0; margin-top: 2px;
}
.t-msg.user .t-avatar { background: var(--bg-elevated); color: var(--text-secondary); }
.t-bubble {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: .65rem .9rem;
    font-size: .875rem; line-height: 1.7;
    color: var(--text-secondary);
    max-width: 82%;
}
.t-msg.user .t-bubble {
    background: var(--accent-subtle);
    border-color: var(--border-accent);
    color: var(--text-primary);
}
.t-bubble strong { color: var(--text-primary); font-weight: 700; }
.t-bubble .resp-arrow { color: var(--accent); font-style: normal; }

/* Blinking cursor */
.t-cursor {
    display: inline-block; width: 2px; height: .9em;
    background: var(--accent); margin-left: 1px;
    vertical-align: text-bottom;
    animation: cursorBlink .75s step-end infinite;
}
@keyframes cursorBlink { 50% { opacity: 0; } }

/* Thinking dots */
.t-thinking { display: flex; gap: 5px; align-items: center; padding: 2px 0; }
.t-thinking span {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--accent); opacity: .3;
    animation: thinkDot 1.2s ease-in-out infinite;
}
.t-thinking span:nth-child(2) { animation-delay: .2s; }
.t-thinking span:nth-child(3) { animation-delay: .4s; }
@keyframes thinkDot {
    0%,80%,100% { opacity: .3; transform: scale(1); }
    40% { opacity: 1; transform: scale(1.35); }
}

/* Chat input */
.t-input-row {
    display: flex; align-items: center; gap: .5rem;
    padding: .7rem 1rem;
    border-top: 1px solid var(--border);
    background: var(--bg-tertiary);
}
#tInput {
    flex: 1; background: transparent; border: none; outline: none;
    color: var(--text-primary); font-family: var(--font-display); font-size: .875rem;
}
#tInput::placeholder { color: var(--text-muted); }
#tInput:disabled { opacity: .5; }
.t-send {
    width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent); color: var(--bg-primary);
    border: none; border-radius: var(--r-md);
    cursor: pointer; transition: var(--t); flex-shrink: 0;
}
.t-send:hover:not(:disabled) { transform: scale(1.08); box-shadow: 0 0 16px rgba(0,255,200,.35); }
.t-send:disabled { opacity: .4; cursor: default; }

/* Divider */
.t-divider { background: var(--border); }

/* Activity panel */
.t-activity {
    display: flex; flex-direction: column;
    background: var(--bg-primary); overflow: hidden;
}
.t-act-header {
    display: flex; align-items: center; gap: .5rem;
    padding: .65rem .9rem;
    font-family: var(--font-mono); font-size: .68rem;
    color: var(--text-muted); text-transform: uppercase; letter-spacing: 1.2px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary); flex-shrink: 0;
}
.t-act-log {
    flex: 1; overflow-y: auto; padding: .75rem;
    display: flex; flex-direction: column; gap: .5rem;
}
.t-act-log::-webkit-scrollbar { width: 3px; }
.t-act-log::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 2px; }
.t-act-idle {
    font-family: var(--font-mono); font-size: .75rem;
    color: var(--text-muted); padding: .25rem;
}

/* Tool call cards */
.tc-item {
    border: 1px solid var(--border);
    border-radius: var(--r-md); overflow: hidden;
    transition: border-color .35s ease;
    animation: tcAppear .25s ease forwards;
}
@keyframes tcAppear { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.tc-item.done { border-color: rgba(0,255,200,.22); }
.tc-header {
    display: flex; align-items: center; gap: .4rem;
    padding: .45rem .65rem;
    background: var(--bg-tertiary);
}
.tc-icon { width: 16px; height: 16px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.tc-spin {
    width: 12px; height: 12px;
    border: 2px solid rgba(0,255,200,.25);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin .65s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.tc-check { color: var(--accent); width: 12px; height: 12px; }
.tc-name { font-family: var(--font-mono); font-size: .72rem; color: var(--accent); font-weight: 600; }
.tc-args {
    font-family: var(--font-mono); font-size: .68rem;
    color: var(--text-muted); overflow: hidden; text-overflow: ellipsis;
    white-space: nowrap; flex: 1;
}
.tc-result {
    padding: .35rem .65rem;
    font-family: var(--font-mono); font-size: .7rem;
    color: var(--text-secondary); line-height: 1.5;
    border-top: 1px solid var(--border);
    display: none;
    animation: fadeIn .3s ease;
}
.tc-item.done .tc-result { display: block; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* Demo note */
.demo-note {
    margin-top: 1.25rem; text-align: center;
    font-size: .83rem; color: var(--text-muted);
}
.demo-note a { color: var(--accent); transition: opacity var(--t); }
.demo-note a:hover { opacity: .7; }

/* ── Futuristic agent visualizer ─────────────── */
@property --ang { syntax: '<angle>'; initial-value: 0deg; inherits: false; }

.demo-terminal { position: relative; }

/* Animated conic energy border (active during a run) */
.demo-terminal::after {
    content: ''; position: absolute; inset: 0;
    border-radius: var(--r-lg); padding: 1px;
    background: conic-gradient(from var(--ang),
        transparent 0 58%, var(--accent) 72%, var(--accent-purple) 84%, transparent 92%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor; mask-composite: exclude;
    opacity: 0; transition: opacity .5s ease;
    pointer-events: none; z-index: 4;
    animation: borderSpin 5s linear infinite;
}
.demo-terminal.active::after { opacity: .85; }
@keyframes borderSpin { to { --ang: 360deg; } }

/* Scanline sweep */
.t-scan {
    position: absolute; left: 0; right: 0; top: 0; height: 160px;
    z-index: 3; pointer-events: none; opacity: 0;
    background: linear-gradient(180deg, transparent, rgba(0,255,200,.07) 50%, transparent);
    transition: opacity .4s ease;
}
.demo-terminal.active .t-scan { opacity: 1; animation: scanMove 3.6s linear infinite; }
@keyframes scanMove { 0% { transform: translateY(-160px); } 100% { transform: translateY(600px); } }

/* Agent core */
.agent-core {
    position: relative; flex-shrink: 0;
    height: 196px;
    display: flex; align-items: center; justify-content: center;
    border-bottom: 1px solid var(--border);
    background: radial-gradient(circle at 50% 44%, rgba(0,255,200,.08), transparent 62%);
    overflow: hidden;
}
.core-orb {
    position: relative; width: 56px; height: 56px; border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, var(--accent), var(--accent-dim) 58%, #053b33 100%);
    box-shadow: 0 0 26px rgba(0,255,200,.5), inset 0 0 14px rgba(255,255,255,.25);
    z-index: 2; transition: background .45s ease, box-shadow .45s ease;
    animation: orbFloat 5s ease-in-out infinite;
}
@keyframes orbFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
.core-orb-core {
    position: absolute; inset: 0; margin: auto;
    width: 14px; height: 14px; border-radius: 50%;
    background: #eafff9; box-shadow: 0 0 14px #fff;
    animation: corePulse 1.5s ease-in-out infinite;
}
@keyframes corePulse { 0%,100% { opacity: .55; transform: scale(.78); } 50% { opacity: 1; transform: scale(1.18); } }

/* state colors */
.agent-core.thinking  .core-orb { background: radial-gradient(circle at 35% 30%, var(--accent-warm), #a35f00 70%); box-shadow: 0 0 30px rgba(255,170,0,.55); }
.agent-core.streaming .core-orb { background: radial-gradient(circle at 35% 30%, var(--accent-purple), #5a39a6 70%); box-shadow: 0 0 30px rgba(167,139,250,.55); }

/* concentric rings */
.core-rings span {
    position: absolute; top: 50%; left: 50%;
    border: 1px solid var(--border-accent); border-radius: 50%;
    transform: translate(-50%, -50%); pointer-events: none;
}
.core-rings span:nth-child(1) { width: 100px; height: 100px; opacity: .35; }
.core-rings span:nth-child(2) { width: 144px; height: 144px; opacity: .2; }
.core-rings span:nth-child(3) { width: 188px; height: 188px; opacity: .1; }
.agent-core.thinking .core-rings span,
.agent-core.streaming .core-rings span { animation: ringPulse 2.4s ease-in-out infinite; }
.core-rings span:nth-child(2) { animation-delay: .4s; }
.core-rings span:nth-child(3) { animation-delay: .8s; }
@keyframes ringPulse { 0%,100% { opacity: .12; } 50% { opacity: .4; } }

/* orbiting tool nodes */
.orbit {
    position: absolute; top: 50%; left: 50%;
    width: 140px; height: 140px;
    transform: translate(-50%, -50%);
    animation: orbitSpin 24s linear infinite; z-index: 1;
}
.orbit-node {
    position: absolute; margin: -17px;
    width: 34px; height: 34px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-tertiary); border: 1px solid var(--border);
    transition: border-color .4s ease, color .4s ease, background .4s ease, box-shadow .4s ease;
}
.orbit-node span {
    font-family: var(--font-mono); font-size: .58rem; font-weight: 600;
    color: var(--text-muted); transition: color .4s ease;
    animation: orbitSpinR 24s linear infinite;
}
.orbit-node.active {
    border-color: var(--accent); background: var(--accent-subtle);
    box-shadow: 0 0 18px rgba(0,255,200,.55);
}
.orbit-node.active span { color: var(--accent); }
.orbit-node.done { border-color: rgba(0,255,200,.4); }
.orbit-node.done span { color: var(--accent-dim); }
@keyframes orbitSpin  { to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes orbitSpinR { to { transform: rotate(-360deg); } }

/* core state label */
.core-state {
    position: absolute; bottom: 10px; left: 0; right: 0;
    text-align: center; z-index: 2;
    font-family: var(--font-mono); font-size: .62rem;
    letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted);
    transition: color .4s ease;
}
.agent-core.thinking  .core-state { color: var(--accent-warm); }
.agent-core.streaming .core-state { color: var(--accent-purple); }
.agent-core.ready     .core-state { color: var(--accent); }

/* Telemetry HUD */
.telemetry {
    display: grid; grid-template-columns: repeat(4, 1fr);
    flex-shrink: 0; background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}
.tel {
    display: flex; flex-direction: column; align-items: center; gap: 3px;
    padding: .6rem .2rem; border-right: 1px solid var(--border);
}
.tel:last-child { border-right: none; }
.tel-val {
    font-family: var(--font-mono); font-size: .85rem; font-weight: 600;
    color: var(--accent); font-variant-numeric: tabular-nums;
}
.tel-key {
    font-family: var(--font-mono); font-size: .55rem; letter-spacing: 1px;
    text-transform: uppercase; color: var(--text-muted);
}

/* Reasoning thinking line */
.rs-think {
    font-family: var(--font-mono); font-size: .7rem; line-height: 1.5;
    color: var(--text-secondary);
    padding: .35rem .55rem;
    border-left: 2px solid var(--border-accent);
    background: var(--accent-subtle);
    border-radius: 0 var(--r-sm) var(--r-sm) 0;
    animation: tcAppear .25s ease forwards;
}
.rs-think b { color: var(--accent); font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
    .orbit, .core-orb, .core-orb-core, .demo-terminal::after, .t-scan { animation: none !important; }
}

/* Responsive demo */
@media (max-width: 860px) {
    .t-body { grid-template-columns: 1fr; grid-template-rows: 1fr 2px auto; height: auto; }
    .t-divider { min-height: 2px; min-width: auto; }
    .t-msgs { max-height: 280px; }
    .t-act-log { max-height: 200px; }
    .demo-h { letter-spacing: -2px; }
}
@media (max-width: 480px) {
    .demo-h { letter-spacing: -1.5px; }
    .t-label { display: none; }
}

/* ── Scrollbar ───────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }
::selection { background: var(--accent); color: var(--bg-primary); }

/* ── Responsive ──────────────────────────────── */
@media (max-width: 1024px) {
    .services-grid  { grid-template-columns: 1fr 1fr; }
    .work-grid      { grid-template-columns: 1fr 1fr; }
    .testimonials-grid { grid-template-columns: 1fr 1fr; }
    .about-grid     { grid-template-columns: 1fr; gap: 2.5rem; }
    .footer-grid    { grid-template-columns: 1fr 1fr; }
    .contact-grid   { grid-template-columns: 1fr; gap: 2.5rem; }
    .process-timeline { flex-direction: column; }
    .process-connector { display: none; }
}

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

    .hero-title { letter-spacing: -2px; }
    .services-grid       { grid-template-columns: 1fr; }
    .work-grid           { grid-template-columns: 1fr; }
    .testimonials-grid   { grid-template-columns: 1fr; }
    .hero-stats          { flex-wrap: wrap; gap: 1.5rem; }
    .stat-divider        { display: none; }
    .stat-item           { padding: 0; }
    .footer-grid         { grid-template-columns: 1fr 1fr; }
    .form-row            { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero-title { letter-spacing: -1.5px; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; justify-content: center; }
}