/* NUO — Strategic Commercial Intelligence */

:root {
  --bg-0: #05080F;
  --bg-1: #0A1220;
  --bg-2: #0F1A2D;
  --bg-3: #142339;
  --line: rgba(30, 155, 215, 0.18);
  --line-strong: rgba(30, 155, 215, 0.35);
  --line-soft: rgba(232, 244, 251, 0.08);
  --blue: #1E9BD7;
  --blue-deep: #0B5A8A;
  --blue-soft: #6FC0E5;
  --white: #E8F4FB;
  --white-dim: #A8B8CC;
  --muted: #5A6B82;
  --muted-2: #3A4A5F;
  --glow: rgba(30, 155, 215, 0.4);
  --glow-soft: rgba(30, 155, 215, 0.12);
  --green: #4ADE80;
  --amber: #FBBF24;
  --red: #F87171;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
  --font-body: 'Inter', system-ui, sans-serif;
  --maxw: 1400px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg-0);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img { display: block; max-width: 100%; }

/* Background scaffolding ============================================= */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(30,155,215,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,155,215,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 30%, black 0%, black 50%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 0%, black 50%, transparent 90%);
}
.bg-glow {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 40% at 20% 0%, rgba(30,155,215,0.12), transparent 70%),
    radial-gradient(ellipse 50% 50% at 80% 20%, rgba(11,90,138,0.18), transparent 70%);
}
.bg-noise {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.025;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
#particles {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
}

/* Layout ============================================================= */
.shell { position: relative; z-index: 2; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
section { position: relative; padding: 120px 0; }
section:not(:last-child)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 20%, var(--line) 80%, transparent);
}

/* Nav ================================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  background: rgba(5, 8, 15, 0.6);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 18px 32px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em;
}
.nav-logo img { height: 28px; width: auto; }
.nav-logo img.wordmark { height: 18px; }
.nav-logo .brand-mono { font-family: var(--font-mono); font-size: 11px; color: var(--blue); margin-left: 8px; letter-spacing: 0.1em; }
.nav-links {
  display: flex; gap: 32px; font-family: var(--font-mono); font-size: 12px;
  color: var(--white-dim); letter-spacing: 0.04em;
}
.nav-links a { transition: color .2s; position: relative; }
.nav-links a:hover { color: var(--blue); }
.nav-links a::before { content: "» "; opacity: 0; transition: opacity .2s, margin .2s; margin-right: -10px; }
.nav-links a:hover::before { opacity: 1; margin-right: 0; }
.nav-cta {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  padding: 10px 20px; border: 1px solid var(--blue); color: var(--blue);
  text-transform: uppercase; transition: all .2s; position: relative;
  background: linear-gradient(90deg, transparent, rgba(30,155,215,0.08));
}
.nav-cta:hover { background: var(--blue); color: var(--bg-0); box-shadow: 0 0 24px var(--glow); }
.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 28px; height: 22px; padding: 0; flex-shrink: 0;
}
.nav-toggle span { display: block; width: 100%; height: 2px; background: var(--white); transition: transform .25s, opacity .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Typography ========================================================== */
.eyebrow {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.15em;
  color: var(--blue); text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--blue); }
.h1 {
  font-family: var(--font-display); font-weight: 500; font-size: clamp(48px, 6vw, 88px);
  line-height: 0.98; letter-spacing: -0.03em; margin: 24px 0;
  text-wrap: balance;
}
.h1 em { font-style: normal; color: var(--blue); position: relative; }
.h2 {
  font-family: var(--font-display); font-weight: 500; font-size: clamp(36px, 4.5vw, 56px);
  line-height: 1.0; letter-spacing: -0.025em; margin: 0 0 24px;
  text-wrap: balance;
}
.h2 em { font-style: normal; color: var(--blue); }
.h3 {
  font-family: var(--font-display); font-weight: 500; font-size: 24px;
  line-height: 1.2; letter-spacing: -0.01em; margin: 0;
}
.lede { font-size: 18px; line-height: 1.55; color: var(--white-dim); max-width: 64ch; text-wrap: pretty; }
.label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; }
.value-xl { font-family: var(--font-display); font-weight: 500; font-size: clamp(28px, 8vw, 56px); line-height: 1; letter-spacing: -0.02em; }
.value-l { font-family: var(--font-display); font-weight: 500; font-size: clamp(20px, 5vw, 32px); line-height: 1; letter-spacing: -0.01em; }
.mono { font-family: var(--font-mono); }

/* Buttons ============================================================= */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 28px; font-family: var(--font-mono); font-size: 13px;
  letter-spacing: 0.08em; text-transform: uppercase;
  transition: all .25s; position: relative; cursor: pointer;
}
.btn-primary {
  background: var(--blue); color: var(--bg-0); font-weight: 600;
  box-shadow: 0 0 0 1px var(--blue), 0 8px 32px -8px var(--glow);
}
.btn-primary:hover { background: var(--blue-soft); box-shadow: 0 0 0 1px var(--blue-soft), 0 12px 48px -8px var(--glow); transform: translateY(-1px); }
.btn-ghost { color: var(--white); border: 1px solid var(--line-strong); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); background: var(--glow-soft); }
.btn .arrow { display: inline-block; transition: transform .25s; }
.btn:hover .arrow { transform: translateX(4px); }

/* Hairline cards / HUD framing ======================================= */
.card {
  position: relative; background: linear-gradient(180deg, rgba(15,26,45,0.6), rgba(10,18,32,0.4));
  border: 1px solid var(--line); padding: 28px;
}
.card-hud {
  position: relative;
}
.card-hud::before, .card-hud::after,
.card-hud > .hud-tl, .card-hud > .hud-tr, .card-hud > .hud-bl, .card-hud > .hud-br {
  content: ""; position: absolute; width: 12px; height: 12px;
  border: 1px solid var(--blue); pointer-events: none;
}
.card-hud > .hud-tl { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.card-hud > .hud-tr { top: -1px; right: -1px; border-left: none; border-bottom: none; }
.card-hud > .hud-bl { bottom: -1px; left: -1px; border-right: none; border-top: none; }
.card-hud > .hud-br { bottom: -1px; right: -1px; border-left: none; border-top: none; }
.card-hud::before, .card-hud::after { display: none; }

/* Reveal on scroll ==================================================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s ease, transform .9s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* Pulse dot =========================================================== */
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 var(--glow); }
  50% { box-shadow: 0 0 0 8px transparent; }
}
.dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--blue); animation: pulse-dot 1.6s ease-in-out infinite;
}
.dot.green { background: var(--green); --glow: rgba(74,222,128,0.4); }
.dot.amber { background: var(--amber); --glow: rgba(251,191,36,0.4); }

/* Counter ticker ====================================================== */
.ticker { font-variant-numeric: tabular-nums; }

/* Scrollbar =========================================================== */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: var(--bg-3); border: 2px solid var(--bg-0); }
::-webkit-scrollbar-thumb:hover { background: var(--blue-deep); }
::selection { background: var(--blue); color: var(--bg-0); }

/* Hero =============================================================== */
.hero { padding-top: 160px; padding-bottom: 80px; }
.hero-head { display: grid; grid-template-columns: 1fr; gap: 32px; margin-bottom: 56px; }
.hero-head-row { display: flex; justify-content: space-between; align-items: end; gap: 32px; flex-wrap: wrap; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); }
.hero-stat { padding: 24px 0; border-right: 1px solid var(--line); padding-right: 24px; }
.hero-stat:last-child { border-right: none; }
.hero-stat .label { margin-bottom: 8px; display: block; }

/* Dashboard hero ====================================================== */
.dash {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 16px;
  min-height: 480px;
}
.dash-panel {
  background: linear-gradient(180deg, rgba(15,26,45,0.6), rgba(10,18,32,0.4));
  border: 1px solid var(--line); padding: 20px; position: relative;
  display: flex; flex-direction: column;
}
.dash-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.dash-title { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--white-dim); text-transform: uppercase; display: flex; align-items: center; gap: 8px; }
.dash-meta { font-family: var(--font-mono); font-size: 10px; color: var(--muted); letter-spacing: 0.08em; }

/* Sparkline / chart bars */
.bars { display: flex; align-items: flex-end; gap: 4px; height: 80px; }
.bar { flex: 1; background: linear-gradient(180deg, var(--blue), var(--blue-deep)); position: relative; transition: all .4s; }
.bar.muted { background: var(--muted-2); }

/* Funnel */
.funnel-row { display: grid; grid-template-columns: 80px 1fr 60px 40px; gap: 12px; align-items: center; padding: 8px 0; border-bottom: 1px dashed var(--line-soft); font-family: var(--font-mono); font-size: 12px; }
.funnel-row:last-child { border-bottom: none; }
.funnel-row .nm { color: var(--white-dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.funnel-bar-wrap { background: var(--bg-3); height: 8px; position: relative; overflow: hidden; }
.funnel-bar { height: 100%; background: linear-gradient(90deg, var(--blue), var(--blue-soft)); transition: width 1.6s cubic-bezier(.2,.7,.2,1); }
.funnel-row .pct { color: var(--blue); text-align: right; }
.funnel-row .n { color: var(--muted); text-align: right; }

/* AI insight box */
.ai-insight { display: flex; gap: 12px; padding: 14px; border: 1px solid var(--line); background: var(--glow-soft); position: relative; }
.ai-insight .ai-mark { font-family: var(--font-mono); font-size: 10px; color: var(--blue); letter-spacing: 0.1em; }
.ai-insight .ai-body { font-size: 13px; line-height: 1.5; color: var(--white); }
.ai-insight .ai-body b { color: var(--blue); font-weight: 500; }

/* Section header ===================================================== */
.section-head { display: flex; justify-content: space-between; align-items: end; margin-bottom: 56px; gap: 32px; flex-wrap: wrap; }
.section-head .lede { max-width: 48ch; }

/* Grids ============================================================== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* Service card ======================================================= */
.svc {
  position: relative; padding: 32px; min-height: 320px;
  background: linear-gradient(180deg, rgba(15,26,45,0.5), rgba(10,18,32,0.3));
  border: 1px solid var(--line); display: flex; flex-direction: column; gap: 16px;
  transition: all .3s;
}
.svc:hover { border-color: var(--blue); background: linear-gradient(180deg, rgba(30,155,215,0.08), rgba(10,18,32,0.4)); }
.svc-id { font-family: var(--font-mono); font-size: 11px; color: var(--blue); letter-spacing: 0.1em; }
.svc-glyph { width: 56px; height: 56px; border: 1px solid var(--blue); display: grid; place-items: center; margin-bottom: 8px; position: relative; }
.svc-glyph::before, .svc-glyph::after { content: ""; position: absolute; width: 6px; height: 6px; border: 1px solid var(--blue); }
.svc-glyph::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.svc-glyph::after { bottom: -1px; right: -1px; border-left: none; border-top: none; }
.svc h3 { font-family: var(--font-display); font-size: 22px; font-weight: 500; letter-spacing: -0.01em; margin: 0; }
.svc p { font-size: 14px; color: var(--white-dim); margin: 0; line-height: 1.55; }
.svc ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 6px; font-family: var(--font-mono); font-size: 11px; color: var(--muted); letter-spacing: 0.04em; }
.svc ul li::before { content: "▸ "; color: var(--blue); }

/* Industries ========================================================== */
.ind {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px;
}
.ind-card {
  position: relative; padding: 40px; min-height: 420px;
  background: linear-gradient(180deg, rgba(15,26,45,0.5), rgba(10,18,32,0.3));
  border: 1px solid var(--line); overflow: hidden;
}
.ind-card .ind-bg {
  position: absolute; inset: 0; opacity: 0.4;
  background-image:
    radial-gradient(circle at 30% 70%, rgba(30,155,215,0.2), transparent 50%),
    linear-gradient(rgba(30,155,215,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,155,215,0.08) 1px, transparent 1px);
  background-size: auto, 32px 32px, 32px 32px;
}
.ind-card.primary { border-color: var(--blue); }
.ind-card-content { position: relative; }
.tag-primary, .tag-secondary { display: inline-block; padding: 4px 10px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; }
.tag-primary { background: var(--blue); color: var(--bg-0); }
.tag-secondary { border: 1px solid var(--line-strong); color: var(--white-dim); }

/* Methodology ========================================================= */
.method-track { position: relative; padding: 40px 0; }
.method-track::before {
  content: ""; position: absolute; left: 24px; right: 24px; top: 92px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
}
.method-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; position: relative; }
.method-step { text-align: center; padding: 0 8px; }
.method-step .mnum {
  font-family: var(--font-mono); font-size: 11px; color: var(--blue); letter-spacing: 0.1em; margin-bottom: 18px;
}
.method-step .mnode {
  width: 16px; height: 16px; margin: 0 auto 18px; background: var(--bg-0);
  border: 2px solid var(--blue); transform: rotate(45deg); position: relative; z-index: 2;
}
.method-step h4 { font-family: var(--font-display); font-size: 18px; font-weight: 500; margin: 0 0 8px; }
.method-step p { font-size: 13px; color: var(--white-dim); margin: 0; line-height: 1.5; }

/* Casos ============================================================== */
.casos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.caso {
  padding: 28px; background: linear-gradient(180deg, rgba(15,26,45,0.6), rgba(10,18,32,0.4));
  border: 1px solid var(--line); position: relative;
}
.caso .caso-id { font-family: var(--font-mono); font-size: 11px; color: var(--blue); letter-spacing: 0.12em; }
.caso h3 { font-family: var(--font-display); font-size: 22px; font-weight: 500; margin: 8px 0 6px; letter-spacing: -0.01em; }
.caso .leads { font-family: var(--font-mono); font-size: 11px; color: var(--muted); margin-bottom: 20px; }
.caso .kpi-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 20px; padding: 16px 0; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.caso .kpi { text-align: left; }
.caso .kpi .v { font-family: var(--font-display); font-size: 26px; font-weight: 500; }
.caso .kpi .l { font-family: var(--font-mono); font-size: 9px; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px; }
.caso .uplift { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; background: rgba(74,222,128,0.08); border: 1px solid rgba(74,222,128,0.25); }
.caso .uplift .ul-l { font-family: var(--font-mono); font-size: 11px; color: var(--green); letter-spacing: 0.08em; }
.caso .uplift .ul-v { font-family: var(--font-display); font-size: 18px; color: var(--green); font-weight: 500; }

/* Stack ============================================================== */
.stack-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.stack-cell {
  aspect-ratio: 1; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  display: grid; place-items: center; padding: 24px; position: relative; transition: all .25s;
}
.stack-cell:hover { background: var(--glow-soft); }
.stack-cell .name { font-family: var(--font-mono); font-size: 11px; color: var(--white-dim); letter-spacing: 0.08em; text-align: center; }
.stack-cell .glyph { font-family: var(--font-display); font-size: 20px; color: var(--blue); margin-bottom: 8px; font-weight: 500; }

/* FAQ ================================================================ */
.faq-item { border-bottom: 1px solid var(--line); padding: 24px 0; }
.faq-q { display: flex; justify-content: space-between; align-items: center; cursor: pointer; user-select: none; }
.faq-q h4 { font-family: var(--font-display); font-size: 20px; font-weight: 500; margin: 0; letter-spacing: -0.01em; }
.faq-q .toggle { width: 24px; height: 24px; border: 1px solid var(--blue); color: var(--blue); display: grid; place-items: center; font-family: var(--font-mono); font-size: 14px; transition: all .25s; }
.faq-item.open .toggle { background: var(--blue); color: var(--bg-0); transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease, padding .4s ease; color: var(--white-dim); font-size: 15px; line-height: 1.6; padding: 0 0 0 0; }
.faq-item.open .faq-a { max-height: 320px; padding: 16px 0 0; }

/* Contact ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; }
.field input, .field textarea, .field select {
  background: rgba(10,18,32,0.6); border: 1px solid var(--line); color: var(--white);
  font-family: var(--font-body); font-size: 15px; padding: 14px 16px; transition: all .2s;
  outline: none; resize: vertical;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px var(--glow-soft); }
.contact-aside { display: flex; flex-direction: column; gap: 20px; }
.contact-aside .ca-card { padding: 24px; border: 1px solid var(--line); background: rgba(10,18,32,0.4); }
.contact-aside .ca-card .label { display: block; margin-bottom: 8px; }
.contact-aside .ca-card .v { font-family: var(--font-display); font-size: 20px; font-weight: 500; }
.contact-aside a:hover .v { color: var(--blue); }

/* Footer ============================================================= */
.footer { padding: 64px 0 32px; border-top: 1px solid var(--line); position: relative; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 48px; }
.footer-tag { font-family: var(--font-mono); font-size: 11px; color: var(--muted); letter-spacing: 0.1em; }
.footer h5 { font-family: var(--font-mono); font-size: 11px; color: var(--blue); letter-spacing: 0.12em; text-transform: uppercase; margin: 0 0 16px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; font-size: 14px; color: var(--white-dim); }
.footer ul a:hover { color: var(--blue); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid var(--line-soft); font-family: var(--font-mono); font-size: 11px; color: var(--muted); letter-spacing: 0.08em; }

/* Asymmetric two-column layouts (ROI, demo, map) — collapse before .dash does,
   since their text content (sliders, chat, forms) gets unusable narrower sooner. */
.roi-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 16px; }
.demo-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; }
.map-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 16px; }
.demo-chat-panel { display: flex; flex-direction: column; min-height: 560px; max-height: 640px; }
.demo-score-panel { display: flex; flex-direction: column; gap: 20px; min-height: 560px; }
.ind-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding-top: 24px; border-top: 1px solid var(--line); }
.uplift-mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* Responsive ========================================================== */
@media (max-width: 1100px) {
  .dash { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .ind { grid-template-columns: 1fr; }
  .method-steps { grid-template-columns: 1fr 1fr 1fr; }
  .stack-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .roi-grid, .demo-grid, .map-grid { grid-template-columns: 1fr; }
  .demo-chat-panel { min-height: 480px; max-height: 70vh; }
  .demo-score-panel { min-height: 0; }
}
@media (max-width: 720px) {
  section { padding: 80px 0; }
  .container { padding: 0 20px; }
  .nav-inner { padding: 14px 16px; }
  .nav-logo .brand-mono { display: none; }
  .nav-links {
    display: none; position: fixed; top: 60px; left: 0; right: 0; z-index: 99;
    flex-direction: column; gap: 0; max-height: calc(100vh - 60px); overflow-y: auto;
    background: var(--bg-0);
    border-bottom: 1px solid var(--line-soft); padding: 8px 20px 20px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid var(--line-soft); font-size: 13px; }
  .nav-links a:last-child { border-bottom: none; }
  .nav-cta { font-size: 11px; padding: 8px 14px; }
  .nav-toggle { display: flex; }
  .dash { grid-template-columns: 1fr; }
  .grid-3, .grid-4, .grid-2, .casos { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .method-steps { grid-template-columns: 1fr; }
  .method-track::before { display: none; }
  .stack-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 16px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; }
}
@media (max-width: 480px) {
  .dash-panel { padding: 16px; }
  .funnel-row { grid-template-columns: 64px 1fr 44px 36px; gap: 6px; font-size: 10px; }
  .ind-stats, .uplift-mini-grid { grid-template-columns: 1fr 1fr; }
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
}