/* Pareto Shift v1 — modern B2B brand. Inter via Google Fonts (loaded in <head>).
   Reference set: Linear, Stripe, Mercury, Ramp, Vercel.
   No frameworks. No build step. */

/* ========== TOKENS ========== */

:root {
  /* Surfaces — cool, editorial. Deliberately NOT warm-cream (was Anthropic-coded). */
  --bg: #fafafa;
  --bg-tint: #ececef;
  --bg-elev: #ffffff;
  --bg-dark: #0e1d2e;        /* deep institutional navy */
  --bg-dark-elev: #15293f;

  /* Ink */
  --ink: #0a0a0a;
  --ink-on-dark: #e6ebf0;
  --ink-muted: #4a4d54;
  --ink-muted-on-dark: #a5adb8;
  --ink-faint: #7a7e86;
  --ink-faint-on-dark: #6b7480;

  /* Accent — serious editorial red (FT / publication zone). Not bright, not pastel. */
  --accent: #b8202c;
  --accent-hover: #951923;
  --accent-soft: rgba(184, 32, 44, 0.10);
  --accent-on-dark: #e0394a;

  /* Rules / borders */
  --rule: #dcdee2;
  --rule-strong: #c4c7cc;
  --rule-on-dark: #1f344a;
  --rule-strong-on-dark: #2e4660;

  /* Layout */
  --max: 1080px;
  --max-narrow: 760px;
  --gutter: 32px;
  --gutter-mobile: 20px;

  /* Type */
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --serif: "Source Serif 4", Charter, "Iowan Old Style", Georgia, serif;

  /* Motion */
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ========== RESET ========== */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  font-feature-settings: "kern", "liga", "calt", "ss01";
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
p { margin: 0 0 1em; }
strong { font-weight: 600; }
em { font-style: italic; font-family: var(--serif); }

a {
  color: inherit;
  text-decoration: none;
  transition: color 160ms var(--ease-out), opacity 160ms var(--ease-out);
}

button { font: inherit; }

/* ========== HEADER ========== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(26, 24, 20, 0.78);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.018em;
  color: var(--ink-on-dark);
  white-space: nowrap;
}
.wm-pre, .wm-post { color: inherit; }
.wm-e {
  display: inline-block;
  color: var(--accent-on-dark);
  transform: translate(1.5px, 2px);
  font-weight: 600;
}

.site-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}
.site-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted-on-dark);
  letter-spacing: -0.005em;
}
.site-nav a:hover { color: var(--ink-on-dark); }
.site-nav .nav-cta {
  color: var(--ink-on-dark);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 7px 14px;
  border-radius: 6px;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.04);
}
.site-nav .nav-cta:hover {
  background: var(--accent);
  border-color: var(--accent);
}

/* ========== HERO ========== */

.hero {
  background:
    radial-gradient(ellipse at 80% 20%, rgba(184, 32, 44, 0.08) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg-dark) 0%, #0a1726 100%);
  color: var(--ink-on-dark);
  position: relative;
  overflow: hidden;
  padding: 80px 0 120px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 79px,
      rgba(255, 255, 255, 0.018) 79px,
      rgba(255, 255, 255, 0.018) 80px
    );
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
}

/* ===== Hero split-layout ===== */
.hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 56px;
  align-items: center;
  margin-bottom: 80px;
}
.hero-text { min-width: 0; }
.hero-visual {
  position: relative;
  min-width: 0;
}
.hero-mockup {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
  filter:
    drop-shadow(0 32px 48px rgba(0, 0, 0, 0.42))
    drop-shadow(0 8px 16px rgba(0, 0, 0, 0.28));
  transform: translate3d(0, 0, 0);
  opacity: 0;
  transform: translate3d(0, 16px, 0);
  transition: opacity 800ms var(--ease-out) 200ms, transform 800ms var(--ease-out) 200ms;
}
body.loaded .hero-mockup {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}
.hero-visual-glow {
  position: absolute;
  inset: -10% -8% -8% -8%;
  background: radial-gradient(ellipse at center, rgba(184, 32, 44, 0.18) 0%, transparent 60%);
  z-index: -1;
  pointer-events: none;
  filter: blur(40px);
}

.eyebrow {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-on-dark);
  margin: 0 0 24px;
}

.hero-title {
  font-size: clamp(40px, 5.6vw, 64px);
  font-weight: 600;
  letter-spacing: -0.032em;
  line-height: 1.02;
  margin: 0 0 24px;
  max-width: 16ch;
}
.hero-title-accent {
  /* Stay sans (no serif-italic — that combo screamed Anthropic). Distinguish via
     color + tighter tracking instead. */
  font-family: var(--sans);
  font-weight: 600;
  color: var(--accent-on-dark);
  letter-spacing: -0.03em;
}

.hero-lede {
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.55;
  color: var(--ink-muted-on-dark);
  max-width: 60ch;
  margin: 0 0 32px;
}

.hero-cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin: 0 0 64px;
}

/* ===== Pareto SVG ===== */

.pareto-figure {
  margin: 32px 0 0;
  max-width: 760px;
  background: var(--bg-dark-elev);
  border: 1px solid var(--rule-on-dark);
  border-radius: 14px;
  padding: 28px 28px 22px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}
.pareto-figure.in-view {
  opacity: 1;
  transform: translateY(0);
}

.pareto-svg {
  width: 100%;
  height: auto;
  display: block;
  font-family: var(--sans);
}

.pareto-svg .grid line {
  stroke: var(--rule-strong-on-dark);
  stroke-width: 1;
}
.pareto-svg .grid .grid-faint {
  stroke: var(--rule-on-dark);
  stroke-width: 1;
  stroke-dasharray: 2 4;
}
.pareto-svg .axis-label {
  font-size: 12px;
  fill: var(--ink-muted-on-dark);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.pareto-svg .axis-tick {
  font-size: 11px;
  fill: var(--ink-faint-on-dark);
}

.pareto-svg .frontier {
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
}
.pareto-svg .frontier-old {
  stroke: var(--ink-muted-on-dark);
  stroke-dasharray: 5 5;
  opacity: 0.7;
}
.pareto-svg .frontier-new {
  stroke: var(--accent-on-dark);
  stroke-width: 2.5;
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  animation: drawFrontier 1800ms var(--ease-out) 400ms forwards;
}

@keyframes drawFrontier {
  to { stroke-dashoffset: 0; }
}

.pareto-svg .frontier-label {
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.005em;
}
.pareto-svg .frontier-label-old { fill: var(--ink-muted-on-dark); }
.pareto-svg .frontier-label-new { fill: var(--accent-on-dark); font-weight: 600; }

.pareto-svg .point {
  fill: var(--ink-on-dark);
  stroke: var(--bg-dark);
  stroke-width: 2;
}
.pareto-svg .point-accent {
  fill: var(--accent-on-dark);
  stroke: var(--bg-dark);
  stroke-width: 3;
}
.pareto-svg .point-label {
  font-size: 12px;
  fill: var(--ink-on-dark);
  font-weight: 600;
}
.pareto-svg .point-label-accent {
  fill: var(--accent-on-dark);
  font-size: 13px;
}
.pareto-svg .point-meta {
  font-size: 11px;
  fill: var(--ink-faint-on-dark);
}

.pareto-caption {
  font-size: 13px;
  color: var(--ink-faint-on-dark);
  margin: 16px 0 0;
  text-align: center;
}

/* ========== BUTTONS ========== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  padding: 12px 22px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 160ms var(--ease-out), border-color 160ms var(--ease-out),
              color 160ms var(--ease-out), transform 80ms var(--ease-out);
  white-space: nowrap;
}
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--accent);
  color: var(--ink-on-dark);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-on-dark);
  border-color: rgba(255, 255, 255, 0.18);
}
.btn-ghost:hover {
  border-color: var(--accent-on-dark);
  color: var(--accent-on-dark);
}

/* ========== SECTIONS (LIGHT) ========== */

.section {
  padding: 96px 0;
  background: var(--bg);
}
.section-tint {
  background: var(--bg-tint);
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section-eyebrow {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin: 0 0 18px;
}

.section-title {
  font-size: clamp(28px, 3.6vw, 44px);
  font-weight: 600;
  letter-spacing: -0.022em;
  line-height: 1.12;
  margin: 0 0 18px;
  max-width: 22ch;
  color: var(--ink);
}

.section-title em {
  /* Same — drop serif-italic flourish. Use accent color for emphasis instead. */
  font-family: var(--sans);
  font-style: normal;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.022em;
}

.section-lede {
  font-size: 18px;
  color: var(--ink-muted);
  max-width: 60ch;
  margin: 0 0 48px;
}

/* ===== Three-column features ===== */

.grid-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 24px;
}
.feature {
  border-top: 1px solid var(--rule);
  padding-top: 20px;
}
.feature-num {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0 0 12px;
}
.feature-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.012em;
  margin: 0 0 8px;
  color: var(--ink);
}
.feature p {
  font-size: 15px;
  color: var(--ink-muted);
  margin: 0;
  line-height: 1.55;
}

/* ===== Who-it's-for grid ===== */

.who-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 8px;
}
.who-card {
  background: var(--bg-elev);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 26px 24px 24px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.6) inset,
    0 1px 2px rgba(14, 29, 46, 0.03);
  transition: border-color 240ms var(--ease-out), transform 240ms var(--ease-out);
}
.who-card:hover {
  border-color: var(--rule-strong);
  transform: translateY(-2px);
}
.who-stat {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 6px;
  font-variant-numeric: tabular-nums;
}
.who-label {
  font-size: 14px;
  color: var(--ink-muted);
  margin: 0;
  line-height: 1.4;
}

/* ===== How-it-works ===== */

.how-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 24px;
}
.how-step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-top: 1px solid var(--rule);
}
.how-step:first-child { border-top: none; padding-top: 0; }

.how-num {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  padding-top: 4px;
}
.how-title {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.012em;
  margin: 0 0 8px;
  color: var(--ink);
}
.how-step p {
  font-size: 16px;
  color: var(--ink-muted);
  margin: 0;
  line-height: 1.55;
  max-width: 60ch;
}

/* ===== Pricing cards ===== */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 8px;
}
.price-card {
  background: var(--bg-elev);
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.6) inset,
    0 1px 2px rgba(14, 29, 46, 0.04);
  transition:
    border-color 240ms var(--ease-out),
    transform 240ms var(--ease-out),
    box-shadow 240ms var(--ease-out);
}
.price-card:hover {
  border-color: var(--rule-strong);
  transform: translateY(-2px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.6) inset,
    0 2px 4px rgba(14, 29, 46, 0.06),
    0 16px 24px -16px rgba(14, 29, 46, 0.14);
}
.price-card-emphasis {
  border-color: var(--accent);
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-elev) 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.7) inset,
    0 0 0 3px var(--accent-soft),
    0 12px 28px -16px rgba(184, 32, 44, 0.18);
}
.price-card-emphasis:hover {
  transform: translateY(-3px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.7) inset,
    0 0 0 3px var(--accent-soft),
    0 20px 36px -18px rgba(184, 32, 44, 0.24);
}

.price-tier {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 8px;
}
.price-tier-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 0 0 8px;
}
.price-tier-row .price-tier { margin: 0; color: var(--accent); }
.price-pill {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 8px;
  border-radius: 999px;
}

.price-amount {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0 0 4px;
  font-variant-numeric: tabular-nums;
}
.price-currency {
  font-size: 18px;
  font-weight: 500;
  color: var(--ink-muted);
  vertical-align: 0.18em;
}
.price-period {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  margin-left: 2px;
}

.price-meta {
  font-size: 13px;
  color: var(--ink-muted);
  margin: 0 0 18px;
}

.price-includes {
  list-style: none;
  padding: 0;
  margin: 0 0 0;
  border-top: 1px solid var(--rule);
  padding-top: 14px;
  font-size: 14px;
  color: var(--ink-muted);
}
.price-includes li {
  padding: 4px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.price-includes li::before {
  content: "›";
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-aside {
  margin: 36px 0 0;
  padding: 18px 22px;
  border-left: 3px solid var(--accent);
  background: var(--bg-elev);
  font-size: 15px;
  color: var(--ink-muted);
  max-width: 70ch;
  border-radius: 0 8px 8px 0;
}

/* ===== Sample DD cards — designed as artifact previews ===== */

.sample-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 8px;
}
.sample-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elev);
  border: 1px solid var(--rule);
  border-radius: 14px;
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.6) inset,
    0 1px 2px rgba(14, 29, 46, 0.04),
    0 12px 24px -16px rgba(14, 29, 46, 0.08);
  transition:
    border-color 240ms var(--ease-out),
    transform 240ms var(--ease-out),
    box-shadow 240ms var(--ease-out);
}
.sample-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.6) inset,
    0 2px 4px rgba(14, 29, 46, 0.06),
    0 24px 40px -20px rgba(14, 29, 46, 0.18);
}

/* Cover preview — looks like a real report cover */
.sample-cover {
  background: linear-gradient(180deg, #ffffff 0%, #f7f7f5 100%);
  height: 260px;
  padding: 22px 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-bottom: 1px solid var(--rule);
  position: relative;
}
.cover-wm {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--bg-dark);
  display: block;
}
.cover-rule {
  display: block;
  width: 36px;
  height: 1.5px;
  background: var(--accent);
  margin: 6px 0 8px;
}
.cover-title {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.012em;
  color: var(--bg-dark);
  display: block;
  line-height: 1.15;
}
.cover-subject {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 400;
  font-style: italic;
  color: var(--ink-muted);
  display: block;
  margin-top: 2px;
}
.cover-meta {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--rule);
}
.cover-meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 10.5px;
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
}
.cover-meta-row span:first-child {
  font-weight: 500;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 9.5px;
}
.cover-rec {
  margin-top: auto;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--bg-dark);
  text-transform: uppercase;
}
.cover-rec em {
  font-style: normal;
  color: var(--accent);
  font-family: inherit;
}

.sample-meta { padding: 18px 22px 20px; display: flex; flex-direction: column; gap: 6px; }
.sample-title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.014em;
  color: var(--ink);
  margin: 0;
}
.sample-sub {
  font-size: 13px;
  color: var(--ink-muted);
  margin: 0;
}
.sample-arrow {
  margin-top: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.005em;
  transition: transform 200ms var(--ease-out);
  display: inline-block;
}
.sample-card:hover .sample-arrow {
  transform: translateX(4px);
}

/* ===== About ===== */

.about-inner { max-width: 880px; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 8px 0 36px;
}
.about-card {
  background: var(--bg-elev);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 22px;
}
.about-name {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.012em;
  margin: 0 0 4px;
  color: var(--ink);
}
.about-role {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0 0 12px;
}
.about-card p:last-child {
  font-size: 15px;
  color: var(--ink-muted);
  margin: 0;
  line-height: 1.55;
}

.about-quote {
  /* Keep serif here — single ornamental moment in the page is OK and reads as
     editorial pull-quote (a publication trope, not an Anthropic one). */
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.5;
  color: var(--ink);
  border-left: 3px solid var(--accent);
  padding: 6px 0 6px 24px;
  margin: 0 0 32px;
  max-width: 64ch;
  font-weight: 400;
}
.about-quote em { font-style: italic; font-family: var(--serif); }

.about-fine {
  font-size: 14px;
  color: var(--ink-muted);
  max-width: 70ch;
  margin: 0;
}

/* ===== Contact ===== */

.contact-inner { max-width: var(--max-narrow); text-align: left; }
.contact-inner .btn-primary { margin-top: 8px; }

/* ========== FOOTER ========== */

.site-footer {
  background: var(--bg-dark);
  color: var(--ink-muted-on-dark);
  padding: 56px 0 64px;
  border-top: 1px solid var(--rule-on-dark);
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 32px;
}
.wordmark-footer {
  font-size: 18px;
  color: var(--ink-on-dark);
  margin-bottom: 8px;
}
.footer-tag {
  font-size: 13px;
  color: var(--ink-faint-on-dark);
  margin: 0;
}
.footer-meta p {
  font-size: 13px;
  color: var(--ink-faint-on-dark);
  max-width: 60ch;
  margin: 0 0 12px;
  line-height: 1.55;
}
.footer-mail a {
  color: var(--accent-on-dark);
  border-bottom: 1px solid transparent;
}
.footer-mail a:hover { border-bottom-color: var(--accent-on-dark); }

/* ========== RESPONSIVE ========== */

@media (max-width: 980px) {
  .hero-split { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: -1; max-width: 560px; }
}

@media (max-width: 900px) {
  .grid-three, .who-grid, .pricing-grid, .sample-grid, .about-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .site-nav { gap: 18px; }
  .site-nav a:not(.nav-cta) { display: none; }
  .site-nav .nav-cta { display: inline-flex; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .header-inner { padding: 14px var(--gutter-mobile); }
  .hero { padding: 64px 0 56px; }
  .hero-inner, .section-inner, .footer-inner { padding-left: var(--gutter-mobile); padding-right: var(--gutter-mobile); }
  .section { padding: 64px 0; }
  .grid-three, .who-grid, .pricing-grid, .sample-grid, .about-grid { grid-template-columns: 1fr; }
  .pareto-figure { padding: 18px 14px 14px; }
  .pareto-svg { min-height: 320px; }
  .how-step { grid-template-columns: 40px 1fr; gap: 12px; }
}

/* ========== MOTION ========== */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .pareto-figure { opacity: 1; transform: none; transition: none; }
  .pareto-svg .frontier-new { animation: none; stroke-dashoffset: 0; }
}
