:root {
  --primary: #1d4ed8;
  --secondary: #0ea5e9;
  --accent-violet: #7c3aed;
  --accent-amber: #d97706;
  --accent-teal: #0d9488;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --border-soft: #eef2f7;
  --grad: linear-gradient(135deg, #1d4ed8, #0ea5e9);
  --grad-soft: linear-gradient(135deg, rgba(29,78,216,0.08), rgba(14,165,233,0.08));
  --shadow-sm: 0 1px 2px rgba(15,23,42,0.04), 0 1px 1px rgba(15,23,42,0.03);
  --shadow-md: 0 4px 12px rgba(15,23,42,0.06), 0 1px 3px rgba(15,23,42,0.04);
  --shadow-lg: 0 24px 48px -12px rgba(15,23,42,0.12), 0 8px 16px -8px rgba(15,23,42,0.08);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
  font-size: 16px;
  overflow-x: hidden;
}
h1, h2, h3, h4 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0;
  color: var(--text);
  text-wrap: balance;
}
p { margin: 0; color: var(--text); text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 32px; }
.container--narrow { max-width: 820px; }
.section { padding: 100px 0; position: relative; }
.section-soft { background: var(--bg-soft); }

.mono {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ===== BUTTONS (global, used by Astro components) ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 18px; border-radius: 10px;
  font-size: 14px; font-weight: 600; letter-spacing: -0.005em;
  transition: all .18s cubic-bezier(.2,.7,.3,1);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--grad); color: white;
  box-shadow: 0 6px 18px -6px rgba(29,78,216,0.5);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 24px -8px rgba(29,78,216,0.6); }
.btn-ghost { color: var(--text); border: 1px solid var(--border); background: white; }
.btn-ghost:hover { background: var(--bg-soft); }
.btn-lg { height: 52px; padding: 0 24px; font-size: 15px; border-radius: 12px; }

/* ===== HERO (Dual panel) ===== */
.hero {
  padding: 80px 0 56px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.78) 60%, rgba(255,255,255,0.98) 100%),
    url('/landing/assets/hero-prague.png') center/cover no-repeat fixed;
  filter: blur(3px);
  transform: scale(1.05);
  z-index: 0;
  pointer-events: none;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(60% 50% at 50% 0%, rgba(29,78,216,0.10), transparent 60%);
  pointer-events: none;
  z-index: 1;
}
.hero > .container { position: relative; z-index: 2; }
.hero-intro { text-align: center; max-width: 820px; margin: 0 auto 32px; }
.hero-title { font-size: clamp(36px, 5vw, 60px); line-height: 1.04; letter-spacing: -0.03em; margin-bottom: 22px; }
.hero-perex { font-size: 18px; line-height: 1.55; color: var(--text); max-width: 720px; margin: 0 auto; }
.hero-intro-prose {
  max-width: 720px; margin: 0 auto 48px;
  text-align: center;
}
.hero-intro-prose p { font-size: 17px; color: var(--text); line-height: 1.5; margin-bottom: 12px; }
.hero-intro-prose p:last-child { margin-bottom: 0; }
.hero-num {
  font-size: 30px; font-weight: 800; line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-right: 4px;
  vertical-align: middle;
}
.hero-source {
  font-size: 11px;
  color: var(--text-muted);
  text-decoration: underline;
  text-decoration-color: var(--border);
  margin-left: 6px;
  white-space: nowrap;
}
.hero-source:hover { text-decoration-color: var(--text-muted); }

/* Dual panel comparison */
.cmp5 {
  max-width: 1100px; margin: 0 auto;
  background: white;
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  display: grid; grid-template-columns: 1fr auto 1fr;
  box-shadow: var(--shadow-md);
}
.cmp5-section { padding: 28px 32px; }
.cmp5-section--bad { background: linear-gradient(180deg, rgba(185,28,28,0.04), rgba(185,28,28,0.01)); }
.cmp5-section--good { background: linear-gradient(180deg, rgba(29,78,216,0.05), rgba(29,78,216,0.01)); }
.cmp5-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  margin: 0 0 22px;
}
.cmp5-tag--bad { color: #b91c1c; }
.cmp5-tag--good { color: var(--primary); }
.cmp5-grid { display: flex; flex-direction: column; gap: 22px; }
.cmp5-num {
  font-size: 32px; font-weight: 800; line-height: 1; display: block; margin-bottom: 6px;
}
.cmp5-num--bad { color: #b91c1c; }
.cmp5-num--good {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cmp5-cell p { font-size: 14.5px; color: var(--text); line-height: 1.45; }
.cmp5-divider {
  width: 1px;
  background: repeating-linear-gradient(to bottom, var(--border), var(--border) 6px, transparent 6px, transparent 12px);
}

.hero-cta-wrap {
  margin-top: 36px;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  text-align: center;
}
.hero-cta-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--grad); color: white;
  border-radius: 14px;
  padding: 18px 28px;
  font-size: 17px; font-weight: 700;
  box-shadow: 0 8px 24px -8px rgba(29,78,216,0.5);
  transition: transform .15s, box-shadow .15s;
}
.hero-cta-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -8px rgba(29,78,216,0.6); }
.hero-cta-note {
  font-size: 13.5px; color: var(--text); line-height: 1.5;
  text-align: center;
}
.hero-cta-note svg {
  color: #047857;
  vertical-align: middle;
  margin-right: 6px;
  margin-top: -2px;
}
.hero-cta-note strong { color: var(--text); font-weight: 700; }

/* ===== DEMO TABS ===== */
.demo {
  padding: 100px 0;
  background: var(--bg-soft);
}
.demo-head { text-align: center; margin-bottom: 48px; max-width: 760px; margin-left: auto; margin-right: auto; }
.demo-head h2 { font-size: clamp(28px, 3.6vw, 40px); }
.demo-head p { margin-top: 18px; font-size: 17px; color: var(--text); }

.tabs-shell {
  background: white;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  max-width: 720px;
  margin: 0 auto 36px;
  position: relative;
}
.tabs {
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.tab {
  padding: 18px 14px;
  text-align: center;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--border-soft);
  cursor: pointer;
  color: var(--text-muted);
  font-size: 14.5px; font-weight: 600;
  font-family: inherit;
  transition: color .15s, background .15s;
}
.tab:last-child { border-right: 0; }
.tab:hover { background: var(--bg-soft); color: var(--text); }
.tab.is-active { color: var(--text); }

.tabs-tracks {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  padding: 0 4px;
  pointer-events: none;
}
.tabs-track {
  height: 3px;
  background: rgba(15,23,42,0.08);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}
.tabs-track.is-done::after,
.tabs-track.is-active::after {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  background: var(--grad);
  border-radius: 999px;
  width: 100%;
}
.tabs-track.is-active::after {
  width: 0;
  animation: tabs-fill 6s linear forwards;
}
@keyframes tabs-fill { 0% { width: 0; } 100% { width: 100%; } }

.tab-panels { position: relative; }
.tab-panel { display: none; }
.tab-panel.is-active { display: grid; }

.demo-stage {
  grid-template-columns: 360px 1fr;
  gap: 56px;
  align-items: start;
  max-width: 1000px;
  margin: 0 auto;
}

.demo-side { padding-top: 8px; }
.demo-side h3 { font-size: 28px; margin-bottom: 18px; line-height: 1.15; }
.demo-side > p { font-size: 16px; color: var(--text); line-height: 1.55; margin-bottom: 28px; }
.demo-help {
  font-size: 13px; font-weight: 600; color: var(--text);
  margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.08em;
}
.demo-list { display: flex; flex-direction: column; gap: 10px; }
.demo-list li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 15px; color: var(--text); line-height: 1.5;
}
.demo-list svg { color: var(--primary); flex-shrink: 0; margin-top: 4px; }

/* ===== PHONE MOCKUP ===== */
.phone {
  position: relative;
  width: 320px;
  height: 660px;
  background: #0b1228;
  border-radius: 44px;
  padding: 14px;
  box-shadow:
    0 30px 60px -20px rgba(15,23,42,0.4),
    0 0 0 2px #1e293b,
    inset 0 0 0 2px #334155;
  margin: 0 auto;
}
.phone::before {
  content: '';
  position: absolute; left: 50%; top: 18px; transform: translateX(-50%);
  width: 110px; height: 28px;
  background: #0b1228;
  border-radius: 999px;
  z-index: 3;
}
.phone-screen {
  height: 100%;
  border-radius: 32px;
  overflow: hidden;
  background: #fff;
  display: flex; flex-direction: column;
  position: relative;
}
.phone-status {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 24px 4px;
  font-size: 12px; font-weight: 600;
  color: var(--text);
  flex-shrink: 0;
}
.phone-status-icons { display: inline-flex; gap: 5px; align-items: center; opacity: 0.85; }
.phone-header {
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  background: #f6f7f9;
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.phone-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--grad);
  color: white;
  display: grid; place-items: center;
  font-size: 11px; font-weight: 700;
  margin: 0;
  flex-shrink: 0;
}
.phone-meta { display: flex; flex-direction: column; min-width: 0; }
.phone-contact {
  font-size: 12.5px; font-weight: 600; color: var(--text);
  line-height: 1.2;
}
.phone-sub {
  font-size: 10.5px; color: var(--text-muted);
  line-height: 1.2;
}
.phone-messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px 14px;
  display: flex; flex-direction: column; gap: 4px;
  background: white;
}
.phone-messages::-webkit-scrollbar { width: 0; }
.msg-day {
  align-self: center;
  font-size: 10.5px; font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.04em;
  margin: 8px 0 4px;
}
.bubble {
  max-width: 82%;
  padding: 8px 13px;
  font-size: 13.5px; line-height: 1.4;
  border-radius: 18px;
  word-wrap: break-word;
}
.bubble--in {
  align-self: flex-start;
  background: #e9e9eb;
  color: var(--text);
  border-bottom-left-radius: 5px;
}
.bubble--out {
  align-self: flex-end;
  background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
  color: white;
  border-bottom-right-radius: 5px;
}
.phone--android .bubble--in {
  background: #e7e7e9;
  border-bottom-left-radius: 5px;
}
.phone--android .bubble--out {
  background: #16a34a;
  color: white;
  border-bottom-right-radius: 5px;
}
.phone--android {
  background: #1a1a1a;
  box-shadow:
    0 30px 60px -20px rgba(15,23,42,0.4),
    0 0 0 2px #2a2a2a;
}
.phone--android::before {
  width: 14px; height: 14px;
  background: #0a0a0a;
  border-radius: 50%;
  top: 22px;
}
.phone--android .phone-screen { border-radius: 28px; }
.phone-tail {
  padding: 10px 14px 16px;
  border-top: 1px solid var(--border);
  background: #fafafa;
  flex-shrink: 0;
}
.phone-input {
  background: white;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 12.5px;
  color: var(--text-muted);
}

/* ===== CONTROL (4 cards) ===== */
.control { padding: 100px 0; }
.control-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.control-head h2 {
  font-size: clamp(28px, 3.6vw, 42px);
  margin-bottom: 20px;
}
.control-head p {
  font-size: 17px; color: var(--text); line-height: 1.55;
  margin-bottom: 14px;
}
.control-head p:last-child { margin-bottom: 0; }
.control-cards {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  max-width: 1100px; margin: 0 auto;
}
.control-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform .15s, box-shadow .15s;
}
.control-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.control-card-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--grad-soft);
  color: var(--primary);
  display: grid; place-items: center;
  margin-bottom: 18px;
}
.control-card-icon--green {
  background: rgba(16,185,129,0.10);
  color: #047857;
}
.control-card h4 { font-size: 17px; margin-bottom: 8px; }
.control-card p { font-size: 14.5px; color: var(--text-muted); line-height: 1.55; }

/* ===== SANDBOX (Lab) ===== */
.sandbox {
  padding: 100px 0;
  background: var(--bg-soft);
}
.sandbox-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.sandbox-head h2 { font-size: clamp(28px, 3.6vw, 42px); }
.sandbox-head p { margin-top: 20px; font-size: 17px; line-height: 1.55; color: var(--text); }

.lab {
  background: white;
  border: 1px solid var(--border);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-width: 1000px; margin: 0 auto;
}
.lab-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px;
  background: rgba(29,78,216,0.06);
  border-bottom: 1px solid var(--border);
}
.lab-head-left {
  display: flex; align-items: center; gap: 10px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--primary); font-weight: 700;
}
.lab-head-right {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; color: var(--text-muted);
}
.lab-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 0 rgba(29,78,216,0.5);
  animation: lab-pulse 1.8s infinite;
}
@keyframes lab-pulse {
  0% { box-shadow: 0 0 0 0 rgba(29,78,216,0.5); }
  70% { box-shadow: 0 0 0 8px rgba(29,78,216,0); }
  100% { box-shadow: 0 0 0 0 rgba(29,78,216,0); }
}
.lab-body { display: grid; grid-template-columns: 260px 1fr; min-height: 360px; }
.lab-side {
  background: var(--bg-soft);
  border-right: 1px solid var(--border);
  padding: 18px 14px;
}
.lab-side-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-muted); font-weight: 700;
  padding: 0 10px; margin-bottom: 8px;
}
.lab-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 12px;
  border-radius: 10px;
  margin-bottom: 4px;
  cursor: pointer;
  font-size: 13.5px;
  color: var(--text-muted);
  transition: background .15s, color .15s;
}
.lab-item:hover { background: rgba(29,78,216,0.06); color: var(--text); }
.lab-item--active {
  background: white;
  box-shadow: var(--shadow-sm);
  color: var(--text);
  font-weight: 600;
  border: 1px solid var(--border);
}
.lab-item-emoji {
  width: 28px; height: 28px; border-radius: 8px;
  background: white;
  display: grid; place-items: center;
  flex-shrink: 0;
  color: var(--primary);
}
.lab-item--active .lab-item-emoji { background: rgba(29,78,216,0.10); }
.lab-main { padding: 24px 28px; display: flex; flex-direction: column; gap: 14px; }
.lab-main-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.lab-main-head h3 { font-size: 18px; }
.lab-main-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px;
  background: rgba(16,185,129,0.10); color: #047857; font-weight: 700;
  flex-shrink: 0;
}
.lab-bubs { display: flex; flex-direction: column; gap: 6px; }
.lab-bub {
  max-width: 86%; padding: 9px 13px;
  font-size: 13.5px; border-radius: 14px; line-height: 1.4;
}
.lab-bub--in { align-self: flex-start; background: #e9e9eb; border-bottom-left-radius: 5px; color: var(--text); }
.lab-bub--out { align-self: flex-end; background: var(--grad); color: white; border-bottom-right-radius: 5px; }
.lab-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 22px;
  border-top: 1px solid var(--border);
  font-size: 12px; color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}
.lab-foot-no {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--primary); font-weight: 700;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
}
.sandbox-trust {
  margin: 32px auto 0;
  max-width: 720px;
  text-align: center;
  font-size: 17px;
  color: var(--text);
  font-weight: 600;
  padding: 14px 28px;
  background: var(--grad-soft);
  border: 1px solid rgba(29,78,216,0.18);
  border-radius: 14px;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  position: relative;
  overflow: hidden;
}
.sandbox-trust::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--grad);
}

/* ===== PRICING ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.pricing-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 30px;
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
  transition: box-shadow .2s, transform .2s;
}
.pricing-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.pricing-card--primary {
  background: linear-gradient(135deg, #ffffff 0%, #f6f9ff 100%);
  border-color: rgba(29,78,216,0.18);
}
.pricing-meta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.pricing-amount {
  font-family: 'Inter', sans-serif;
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.1;
}
.pricing-num {
  font-size: 38px;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 4px;
}
.pricing-unit {
  font-size: 16px;
  color: var(--text);
  font-weight: 500;
}
.pricing-card p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}
.pricing-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--grad-soft);
  color: var(--primary);
  display: grid; place-items: center;
  margin-bottom: 16px;
}
.pricing-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 8px;
}
.pricing-refund {
  display: flex; align-items: flex-start; gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
  font-size: 13px;
  color: var(--text);
  line-height: 1.5;
}
.pricing-refund svg {
  color: #047857;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===== FOUNDER ===== */
.founder {
  background: var(--bg-soft);
  border-radius: 24px;
  padding: 56px;
  display: grid; grid-template-columns: 200px 1fr;
  gap: 48px; align-items: center;
}
.founder-photo {
  width: 200px; height: 200px;
  border-radius: 24px;
  background: var(--grad);
  display: grid; place-items: center;
  color: white;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.founder-quote { font-size: 22px; line-height: 1.4; color: var(--text); font-family: 'Inter', sans-serif; font-weight: 600; letter-spacing: -0.02em; }
.founder-quote span { color: var(--text-muted); font-weight: 400; }
.founder-name { margin-top: 20px; font-size: 14px; font-weight: 600; }
.founder-role { font-size: 13px; color: var(--text-muted); }

/* ===== REVEAL ===== */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s, transform .7s; }
.reveal.in { opacity: 1; transform: none; }

/* ===== RESPONSIVE ===== */
@media (max-width: 980px) {
  .control-cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 920px) {
  .demo-stage { grid-template-columns: 1fr; gap: 40px; }
  .section { padding: 72px 0; }
  .hero { padding: 56px 0 24px; }
}
@media (max-width: 880px) {
  .cmp5 { display: flex; flex-direction: column; }
  .cmp5-divider { width: auto; height: 1px; background: repeating-linear-gradient(to right, var(--border), var(--border) 6px, transparent 6px, transparent 12px); }
}
@media (max-width: 760px) {
  .lab-body { grid-template-columns: 1fr; }
  .lab-side { border-right: 0; border-bottom: 1px solid var(--border); }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-num { font-size: 32px; }
  .founder { grid-template-columns: 1fr; padding: 40px 28px; text-align: center; }
  .founder-photo { margin: 0 auto; }
}
@media (max-width: 600px) {
  .control-cards { grid-template-columns: 1fr; }
}
@media (max-width: 540px) {
  .container { padding: 0 20px; }
  .phone { width: 100%; max-width: 320px; }
  .tabs-shell { border-radius: 0; margin-left: -20px; margin-right: -20px; max-width: none; overflow-x: auto; -webkit-overflow-scrolling: touch; overflow-y: hidden; scrollbar-width: none; -ms-overflow-style: none; }
  .tabs-shell::-webkit-scrollbar { display: none; }
  .tabs { display: flex; min-width: min-content; }
  .tab { flex: 0 0 auto; white-space: nowrap; padding: 14px 18px; font-size: 13.5px; }
  .tabs-tracks { display: flex; min-width: min-content; position: relative; }
  .tabs-track { flex: 1 0 0%; }
}