/* ===== Design tokens ===== */
:root {
  --bg: #0a0c10;
  --bg-soft: #11141b;
  --surface: #161a22;
  --surface-2: #1c212b;
  --border: #262c38;
  --border-soft: #1f242f;
  --text: #eef1f6;
  --text-dim: #a4adbe;
  --text-faint: #6b7488;
  --accent: #5b8cff;
  --accent-2: #8b6bff;
  --accent-soft: rgba(91, 140, 255, 0.12);
  --good: #4fd1a0;
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1140px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 0 1px var(--accent-soft), 0 18px 50px rgba(91, 140, 255, 0.18);
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Sora", var(--font);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-family: var(--font-display); line-height: 1.1; letter-spacing: -0.02em; }

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

.grad {
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 14px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 8px 24px rgba(91, 140, 255, 0.3);
}
.btn-primary:hover { box-shadow: 0 10px 30px rgba(91, 140, 255, 0.45); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: #fff; }
.btn-sm { padding: 9px 16px; font-size: 0.88rem; }
.btn-lg { padding: 15px 28px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 12, 16, 0.72);
  border-bottom: 1px solid var(--border-soft);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 9px; font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; }
.brand-mark { color: var(--accent); font-size: 1.1rem; }
.brand-accent { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--text-dim); font-weight: 500; font-size: 0.95rem; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-links a.btn { color: #fff; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: 0.2s; }

/* ===== Hero ===== */
.hero { position: relative; padding: 110px 0 90px; overflow: hidden; }
.hero-inner { position: relative; z-index: 2; max-width: 880px; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 800; margin-bottom: 22px; }
.lede { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--text-dim); max-width: 640px; margin-bottom: 34px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }
.hero-stats { list-style: none; display: flex; gap: 48px; flex-wrap: wrap; }
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong { font-family: var(--font-display); font-size: 2.2rem; font-weight: 800; color: var(--text); }
.hero-stats span { color: var(--text-faint); font-size: 0.9rem; }
.hero-glow {
  position: absolute;
  top: -200px; right: -150px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(91, 140, 255, 0.22), transparent 60%);
  filter: blur(40px);
  z-index: 1;
  pointer-events: none;
}

/* ===== Section heads ===== */
.section-head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.section-head.left { text-align: left; margin-left: 0; }
.section-head h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; margin-bottom: 14px; }
.section-sub { color: var(--text-dim); font-size: 1.05rem; }

section { padding: 90px 0; }

/* ===== Services ===== */
.services { background: var(--bg-soft); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.service-group { margin-bottom: 44px; }
.service-group:last-child { margin-bottom: 0; }
.group-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 18px;
  padding-left: 14px;
  border-left: 3px solid var(--accent);
}
.service-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 18px; }
.service-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px 24px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s, background 0.2s;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.service-card:hover { transform: translateY(-3px); border-color: #36405180; box-shadow: var(--shadow); }
.service-card.selected { border-color: var(--accent); background: linear-gradient(180deg, var(--accent-soft), var(--surface)); box-shadow: var(--shadow-glow); }
.service-icon { font-size: 1.6rem; line-height: 1; }
.service-card h4 { font-family: var(--font-display); font-size: 1.12rem; font-weight: 700; padding-right: 34px; }
.service-card p { color: var(--text-dim); font-size: 0.94rem; }
.service-check {
  position: absolute;
  top: 22px; right: 22px;
  width: 24px; height: 24px;
  border-radius: 7px;
  border: 1.5px solid var(--border);
  display: grid; place-items: center;
  font-size: 0.8rem;
  color: transparent;
  transition: 0.2s;
}
.service-card.selected .service-check { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ===== Software Suite / products ===== */
.cat-tabs { display: flex; flex-wrap: wrap; gap: 9px; justify-content: center; margin-bottom: 32px; }
.cat-tab {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 9px 16px;
  border-radius: 100px;
  cursor: pointer;
  transition: 0.18s;
  white-space: nowrap;
}
.cat-tab:hover { border-color: var(--accent); color: var(--text); }
.cat-tab.active { background: linear-gradient(100deg, var(--accent), var(--accent-2)); border-color: transparent; color: #fff; }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 18px; }
.product-card {
  position: relative;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.product-card:hover { transform: translateY(-3px); border-color: #36405180; box-shadow: var(--shadow); }
.product-card.selected { border-color: var(--accent); box-shadow: var(--shadow-glow); }
.product-head { display: flex; align-items: center; gap: 14px; }
.product-icon {
  font-size: 1.5rem;
  width: 46px; height: 46px;
  flex-shrink: 0;
  display: grid; place-items: center;
  background: var(--accent-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.product-card h4 { font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; padding-right: 30px; }
.product-cat { display: block; font-size: 0.8rem; color: var(--accent); font-weight: 600; margin-top: 2px; }
.product-card p { color: var(--text-dim); font-size: 0.94rem; flex: 1; }
.product-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 4px; border-top: 1px solid var(--border-soft); margin-top: 2px; flex-wrap: wrap; }
.product-replaces { font-size: 0.82rem; color: var(--text-faint); }
.product-replaces strong { color: var(--text-dim); font-weight: 600; }
.product-badge {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px 11px;
  flex-shrink: 0;
}
.product-card.selected .product-badge { color: #fff; background: var(--accent); border-color: var(--accent); }
.products-note { text-align: center; color: var(--text-faint); font-size: 0.92rem; margin-top: 36px; max-width: 720px; margin-left: auto; margin-right: auto; }

/* ===== Agent automation ===== */
.automation { background: var(--bg-soft); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.mde { display: flex; align-items: stretch; justify-content: center; gap: 14px; margin-bottom: 48px; flex-wrap: wrap; }
.mde-step { flex: 1; min-width: 220px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.mde-num { font-family: var(--font-display); font-weight: 800; color: var(--accent); font-size: 0.9rem; display: block; margin-bottom: 12px; }
.mde-step h3 { font-size: 1.15rem; margin-bottom: 8px; }
.mde-step p { color: var(--text-dim); font-size: 0.93rem; }
.mde-arrow { display: flex; align-items: center; color: var(--accent); font-size: 1.6rem; font-weight: 700; }
.agent-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.agent-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 11px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.agent-card:hover { transform: translateY(-3px); border-color: #36405180; box-shadow: var(--shadow); }
.agent-card.selected { border-color: var(--accent); background: linear-gradient(180deg, var(--accent-soft), var(--surface)); box-shadow: var(--shadow-glow); }
.agent-icon { font-size: 1.6rem; line-height: 1; }
.agent-card h4 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; padding-right: 30px; }
.agent-card p { color: var(--text-dim); font-size: 0.93rem; flex: 1; }
.agent-badge { align-self: flex-start; font-size: 0.76rem; font-weight: 600; color: var(--good); background: rgba(79, 209, 160, 0.1); border: 1px solid rgba(79, 209, 160, 0.25); border-radius: 100px; padding: 4px 11px; }
@media (max-width: 760px) { .mde-arrow { transform: rotate(90deg); justify-content: center; } }

/* ===== Quote bar (sticky bottom) ===== */
.quote-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 45;
  background: rgba(17, 20, 27, 0.92);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -8px 30px rgba(0,0,0,0.4);
  animation: slideUp 0.3s ease;
}
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
.quote-bar-inner { display: flex; align-items: center; gap: 18px; padding: 14px 24px; }
.quote-bar-info { display: flex; align-items: baseline; gap: 8px; flex-shrink: 0; }
.quote-count { font-family: var(--font-display); font-size: 1.6rem; font-weight: 800; color: var(--accent); }
.quote-label { color: var(--text-dim); font-size: 0.9rem; }
.quote-bar-chips { display: flex; gap: 8px; overflow-x: auto; flex: 1; padding: 4px 0; scrollbar-width: thin; }
.quote-bar-chips::-webkit-scrollbar { height: 4px; }
.quote-bar-chips::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.chip {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 12px;
  font-size: 0.82rem;
  color: var(--text-dim);
  white-space: nowrap;
  flex-shrink: 0;
}
.quote-bar .btn { flex-shrink: 0; }

/* ===== Pricing ===== */
.pricing-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.pricing-points { display: flex; flex-direction: column; gap: 16px; }
.pp { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px; }
.pp h3 { font-size: 1.1rem; margin-bottom: 6px; }
.pp p { color: var(--text-dim); font-size: 0.95rem; }

/* ===== Process ===== */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.steps li { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; }
.step-num { font-family: var(--font-display); font-size: 0.95rem; font-weight: 800; color: var(--accent); display: block; margin-bottom: 18px; }
.steps h3 { font-size: 1.15rem; margin-bottom: 8px; }
.steps p { color: var(--text-dim); font-size: 0.94rem; }

/* ===== About ===== */
.about { background: var(--bg-soft); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.about-inner { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.about-copy p { color: var(--text-dim); font-size: 1.05rem; margin-bottom: 18px; }
.about-copy p:last-child { margin-bottom: 0; }

/* ===== Quote / contact ===== */
.quote-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.selected-preview { margin-top: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px; }
.selected-empty { color: var(--text-faint); font-size: 0.94rem; }
#selectedList { list-style: none; display: flex; flex-direction: column; gap: 10px; }
#selectedList li { display: flex; align-items: center; gap: 10px; color: var(--text-dim); font-size: 0.95rem; }
#selectedList li::before { content: "✓"; color: var(--good); font-weight: 700; }
.quote-form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; display: flex; flex-direction: column; gap: 18px; box-shadow: var(--shadow); }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-size: 0.88rem; font-weight: 600; color: var(--text-dim); }
.field input, .field textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.form-note { font-size: 0.9rem; min-height: 1.2em; }
.form-note.ok { color: var(--good); }
.form-note.err { color: #ff7a7a; }

/* ===== Footer ===== */
.site-footer { background: var(--bg-soft); border-top: 1px solid var(--border-soft); padding: 56px 0 28px; }
.footer-inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 32px; border-bottom: 1px solid var(--border-soft); }
.footer-brand { max-width: 320px; }
.footer-brand .brand-name { font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; }
.footer-brand p { color: var(--text-faint); font-size: 0.92rem; margin-top: 10px; }
.footer-nav { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; }
.footer-nav a { color: var(--text-dim); font-size: 0.95rem; transition: color 0.2s; }
.footer-nav a:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 24px; color: var(--text-faint); font-size: 0.88rem; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .nav-links { position: fixed; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--bg-soft); border-bottom: 1px solid var(--border); padding: 8px 24px 20px; transform: translateY(-120%); transition: transform 0.25s ease; }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid var(--border-soft); }
  .nav-links a.btn { margin-top: 12px; border: none; justify-content: center; }
  .nav-toggle { display: flex; }
  .pricing-inner, .about-inner, .quote-grid { grid-template-columns: 1fr; gap: 32px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .section-head.left { text-align: center; }
}
@media (max-width: 560px) {
  section { padding: 64px 0; }
  .hero { padding: 70px 0 60px; }
  .hero-stats { gap: 28px; }
  .steps { grid-template-columns: 1fr; }
  .quote-bar-inner { flex-wrap: wrap; }
  .quote-bar-chips { order: 3; width: 100%; }
  .quote-bar .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto !important; transition: none !important; }
}