/* Otto marketing page CSS.
   Depends on otto-tokens.css (CSS variables) + otto-wink.css (wordmark).
   Extracted from docs/phase3/stage6_home_v3.html — the reference implementation. */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--stage-grey);
  color: var(--print-black);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); position: relative; z-index: 1; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--graphite);
}

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  transition: var(--tr);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary { background: var(--print-black); color: #fff; }
.btn-primary:hover { background: var(--ink-2); transform: translateY(-1px); }
.btn-accent { background: var(--lens-blue); color: #fff; }
.btn-accent:hover { background: var(--lens-blue-2); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--print-black); border-color: var(--hairline-2); }
.btn-ghost:hover { border-color: var(--print-black); }
.btn-lg { padding: 15px 22px; font-size: 15px; }

/* ===================== AURORA ===================== */
.aurora-wrap { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.aurora {
  position: absolute; border-radius: 50%; filter: blur(90px);
  will-change: transform, opacity; opacity: 0.55; mix-blend-mode: multiply;
}
.aurora-1 { width: 640px; height: 640px; left: 8%; top: -16%;
  background: radial-gradient(circle, var(--glow-cyan) 0%, transparent 65%);
  animation: auroraDrift1 22s infinite ease-in-out; }
.aurora-2 { width: 720px; height: 720px; right: -4%; top: 8%;
  background: radial-gradient(circle, var(--glow-blue) 0%, transparent 65%);
  animation: auroraDrift2 28s infinite ease-in-out; opacity: 0.45; }
.aurora-3 { width: 560px; height: 560px; left: 30%; bottom: -12%;
  background: radial-gradient(circle, var(--glow-violet) 0%, transparent 65%);
  animation: auroraDrift3 26s infinite ease-in-out; opacity: 0.40; }
.aurora-4 { width: 420px; height: 420px; right: 18%; bottom: -8%;
  background: radial-gradient(circle, var(--glow-pink) 0%, transparent 70%);
  animation: auroraDrift4 32s infinite ease-in-out; opacity: 0.35; }

@keyframes auroraDrift1 { 0%,100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(80px,40px) scale(1.08); }
  66% { transform: translate(-60px,60px) scale(0.94); } }
@keyframes auroraDrift2 { 0%,100% { transform: translate(0,0) scale(1); }
  40% { transform: translate(-90px,70px) scale(1.1); }
  70% { transform: translate(60px,-30px) scale(0.96); } }
@keyframes auroraDrift3 { 0%,100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(70px,-50px) scale(1.12); } }
@keyframes auroraDrift4 { 0%,100% { transform: translate(0,0) scale(1); opacity: 0.35; }
  45% { transform: translate(-50px,-60px) scale(1.2); opacity: 0.5; } }

/* Mark-aurora — concentrated orb cluster behind wordmark */
.mark-aurora-wrap { position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%); width: 95%; height: 200%;
  pointer-events: none; z-index: 0; overflow: visible; }
.mark-aurora { position: absolute; border-radius: 50%; filter: blur(42px);
  will-change: transform, opacity; mix-blend-mode: multiply; }
.mark-aurora-1 { width: 42%; height: 62%; left: 6%; top: 14%;
  background: radial-gradient(circle, var(--glow-cyan) 0%, transparent 62%);
  opacity: 0.55; animation: markDrift1 11s infinite ease-in-out; }
.mark-aurora-2 { width: 46%; height: 68%; right: 2%; top: 8%;
  background: radial-gradient(circle, var(--glow-blue) 0%, transparent 62%);
  opacity: 0.52; animation: markDrift2 13s infinite ease-in-out; }
.mark-aurora-3 { width: 38%; height: 56%; left: 22%; bottom: 6%;
  background: radial-gradient(circle, var(--glow-violet) 0%, transparent 65%);
  opacity: 0.48; animation: markDrift3 9s infinite ease-in-out; }
.mark-aurora-4 { width: 36%; height: 50%; right: 16%; bottom: 10%;
  background: radial-gradient(circle, var(--glow-pink) 0%, transparent 65%);
  opacity: 0.45; animation: markDrift4 15s infinite ease-in-out; }
.mark-aurora-5 { width: 34%; height: 54%; left: 32%; top: 24%;
  background: radial-gradient(circle, var(--glow-amber) 0%, transparent 65%);
  opacity: 0.42; animation: markDrift5 10s infinite ease-in-out; }
.mark-aurora-6 { width: 32%; height: 48%; right: 28%; top: 30%;
  background: radial-gradient(circle, var(--glow-rose) 0%, transparent 65%);
  opacity: 0.40; animation: markDrift6 12s infinite ease-in-out; }

@keyframes markDrift1 { 0%,100% { transform: translate(0,0) scale(1); }
  28% { transform: translate(34%,24%) scale(1.30); }
  62% { transform: translate(-28%,20%) scale(0.82); } }
@keyframes markDrift2 { 0%,100% { transform: translate(0,0) scale(1); }
  38% { transform: translate(-38%,28%) scale(1.35); }
  72% { transform: translate(26%,-14%) scale(0.82); } }
@keyframes markDrift3 { 0%,100% { transform: translate(0,0) scale(1); }
  48% { transform: translate(32%,-26%) scale(1.42); } }
@keyframes markDrift4 { 0%,100% { transform: translate(0,0) scale(1); opacity: 0.45; }
  46% { transform: translate(-28%,-30%) scale(1.45); opacity: 0.70; } }
@keyframes markDrift5 { 0%,100% { transform: translate(0,0) scale(1); }
  36% { transform: translate(26%,-22%) scale(1.32); }
  70% { transform: translate(-34%,22%) scale(0.85); } }
@keyframes markDrift6 { 0%,100% { transform: translate(0,0) scale(1); opacity: 0.40; }
  52% { transform: translate(-22%,26%) scale(1.40); opacity: 0.65; } }

.hero-mark .otto, .nav-logo-wrap .otto, .cta .otto { position: relative; z-index: 1; }
.nav-logo-wrap { position: relative; display: inline-flex; align-items: center; }
.nav-logo-wrap .mark-aurora-wrap { width: 180px; height: 110px; }
.nav-logo-wrap .mark-aurora { filter: blur(14px); }

@media (prefers-reduced-motion: reduce) { .aurora, .mark-aurora { animation: none !important; } }

/* ===================== NAV ===================== */
.nav-wrap {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245,245,245,0.75);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--hairline);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 18px 0; }
.nav-links { display: flex; gap: 28px; font-size: 14px; font-weight: 500; color: var(--ink-2); }
.nav-links a:hover { color: var(--lens-blue); }
.nav-actions { display: flex; gap: 10px; align-items: center; }
@media (max-width: 780px) { .nav-links { display: none; } }

/* ===================== HERO ===================== */
.hero {
  position: relative; padding: 96px 0; text-align: center;
  border-bottom: 1px solid var(--hairline); overflow: hidden; min-height: 640px;
}
.hero .eyebrow {
  position: relative; z-index: 2; display: inline-block; padding: 6px 12px;
  background: rgba(255,255,255,0.5); border-radius: 999px;
  backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.5);
}
.hero-mark { position: relative; z-index: 2; margin: 28px auto 44px; display: flex; justify-content: center; }
.hero h1 {
  position: relative; z-index: 2; font-family: var(--font-display);
  font-size: clamp(32px, 4.4vw, 52px); font-weight: 600; line-height: 1.08;
  letter-spacing: -0.025em; margin: 0 auto 18px; max-width: 860px; color: var(--print-black);
}
.hero .sub {
  position: relative; z-index: 2; font-size: 18px; color: var(--graphite);
  max-width: 640px; margin: 0 auto 32px;
}
.hero-actions { position: relative; z-index: 2; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-meta {
  position: relative; z-index: 2; margin-top: 28px; display: flex; justify-content: center;
  gap: 22px; color: var(--graphite); font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.04em; flex-wrap: wrap;
}
.hero-meta span::before { content: "— "; color: var(--graphite-2); }

.hero .proof {
  position: relative; z-index: 2; font-family: var(--font-mono);
  font-size: 13px; letter-spacing: 0.02em; color: var(--graphite);
  max-width: 600px; margin: 0 auto 28px;
}

/* Before/after image grid. Used in hero and use-case pages. */
.compare {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  max-width: 1080px; margin: 48px auto 0;
}
.compare figure { margin: 0; }
.compare img {
  width: 100%; height: auto; display: block;
  border-radius: 12px; border: 1px solid var(--hairline);
  background: var(--paper-white);
}
.compare figcaption {
  margin-top: 12px; font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.04em;
  color: var(--graphite); text-align: left;
}
.compare figcaption::before { content: "— "; color: var(--graphite-2); }
@media (max-width: 720px) { .compare { grid-template-columns: 1fr; gap: 16px; } }

/* 3-column narrative flow grid (hero): one input frame + two Otto outputs.
   Each figure has a step label (01/02/03 + "You"/"Otto delivers") so the
   viewer reads the story — you do one thing, Otto delivers two outputs.
   Not .compare — that stays 2-col for use-case pages. */
.flow {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  max-width: 1180px; margin: 48px auto 0;
}
.flow figure { margin: 0; }
.flow-label {
  display: flex; align-items: baseline; gap: 10px;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.10em; text-transform: uppercase;
  text-align: left;
}
.flow .flow-num { color: var(--print-black); font-weight: 700; }
.flow .flow-actor { color: var(--graphite-2); font-weight: 500; }
.flow figure.is-otto .flow-num,
.flow figure.is-otto .flow-actor { color: var(--lens-blue); }
.flow img {
  width: 100%; height: auto; display: block;
  border-radius: 12px; border: 1px solid var(--hairline);
  background: var(--paper-white);
}
.flow figcaption {
  margin-top: 12px; font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.04em;
  color: var(--graphite); text-align: left;
}
.flow figcaption::before { content: "— "; color: var(--graphite-2); }
@media (max-width: 900px) { .flow { grid-template-columns: 1fr; gap: 24px; } }

/* 4-frame SKU journey grid (how-it-works). */
.journey {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  max-width: 1180px; margin: 48px auto 0;
}
.journey figure { margin: 0; }
.journey img {
  width: 100%; height: auto; display: block;
  border-radius: 10px; border: 1px solid var(--hairline);
  background: var(--paper-white);
}
.journey figcaption {
  margin-top: 10px; font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.04em;
  color: var(--graphite); text-align: left;
}
.journey figcaption::before { content: "— "; color: var(--graphite-2); }
@media (max-width: 900px) { .journey { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .journey { grid-template-columns: 1fr; } }

/* ===================== SECTIONS ===================== */
section { padding: 96px 0; border-bottom: 1px solid var(--hairline); background: var(--stage-grey); }
.section-head {
  display: grid; grid-template-columns: 1fr 2fr; gap: 48px;
  align-items: end; margin-bottom: 56px;
}
.section-head h2 {
  font-family: var(--font-display); font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 600; line-height: 1.1; letter-spacing: -0.022em; margin: 0;
}
.section-head .lede { font-size: 17px; color: var(--graphite); max-width: 560px; }
.section-head .eyebrow { margin-bottom: 12px; display: block; }
@media (max-width: 780px) {
  .section-head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 40px; }
  section { padding: 72px 0; }
}

/* Simple prose */
.prose { max-width: 720px; margin: 0 auto; font-size: 16.5px; color: var(--ink-2); }
.prose h2 { font-family: var(--font-display); font-size: 28px; font-weight: 600; margin: 56px 0 16px; letter-spacing: -0.018em; }
.prose h3 { font-family: var(--font-display); font-size: 20px; font-weight: 600; margin: 40px 0 12px; }
.prose p { margin: 0 0 18px; }
.prose ul { list-style: disc; padding-left: 22px; margin: 0 0 18px; }
.prose ul li { margin-bottom: 8px; }
.prose code { font-family: var(--font-mono); font-size: 13.5px; background: var(--paper-white); padding: 2px 6px; border: 1px solid var(--hairline); border-radius: 5px; }
.prose pre { font-family: var(--font-mono); font-size: 13px; background: var(--paper-white); padding: 16px 20px; border: 1px solid var(--hairline); border-radius: 10px; overflow-x: auto; }
.prose a { color: var(--lens-blue); border-bottom: 1px solid transparent; transition: var(--tr); }
.prose a:hover { border-bottom-color: var(--lens-blue); }
.prose blockquote {
  margin: 24px 0; padding: 16px 20px; border-left: 3px solid var(--lens-blue);
  background: var(--paper-white); color: var(--ink-2); font-style: italic;
}

/* ===================== TRUST STRIP ===================== */
.trust { padding: 28px 0; border-bottom: 1px solid var(--hairline); background: var(--paper-white); }
.trust-row { display: flex; align-items: center; justify-content: center; gap: 48px; flex-wrap: wrap; }
.trust-row span {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--graphite);
}
.trust-label { color: var(--print-black) !important; font-weight: 500; }

/* ===================== STATS GRID ===================== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { padding: 28px; background: var(--paper-white); border: 1px solid var(--hairline); border-radius: 14px; }
.stat .num { font-family: var(--font-display); font-size: 44px; font-weight: 700; line-height: 1; letter-spacing: -0.03em; margin-bottom: 8px; }
.stat .label { font-size: 14px; color: var(--graphite); margin-bottom: 12px; }
.stat .src { font-family: var(--font-mono); font-size: 11px; color: var(--graphite-2); letter-spacing: 0.04em; }
@media (max-width: 900px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .stats-grid { grid-template-columns: 1fr; } }

/* ===================== STEPS ===================== */
.steps {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--hairline); border-radius: 14px;
  background: var(--paper-white); overflow: hidden;
}
.step { padding: 40px 32px; border-right: 1px solid var(--hairline); }
.step:last-child { border-right: none; }
.step-num { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; color: var(--lens-blue); margin-bottom: 18px; }
.step h3 { font-family: var(--font-display); font-size: 22px; font-weight: 600; margin: 0 0 10px; letter-spacing: -0.018em; }
.step p { color: var(--graphite); font-size: 15px; margin: 0 0 20px; }
.step ul li { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; color: var(--ink-2); padding-left: 20px; position: relative; margin-bottom: 6px; }
.step ul li::before { content: "—"; position: absolute; left: 0; color: var(--graphite-2); }
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr; }
  .step { border-right: none; border-bottom: 1px solid var(--hairline); }
  .step:last-child { border-bottom: none; }
}

/* ===================== PRICING ===================== */
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pack { background: var(--paper-white); border: 1px solid var(--hairline); border-radius: 14px; padding: 28px 24px 24px; display: flex; flex-direction: column; transition: var(--tr); position: relative; }
.pack:hover { border-color: var(--graphite); }
.pack.featured { background: var(--print-black); color: #fff; border-color: var(--print-black); transform: translateY(-6px); }
.pack.featured:hover { transform: translateY(-8px); }
.pack.featured .pack-sub, .pack.featured .pack-list li { color: #CBD5E1; }
.pack.featured .pack-list li::before { color: var(--lens-blue); }
.pack-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--lens-blue); color: #fff; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px; }
.pack-name { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--graphite); margin-bottom: 14px; }
.pack.featured .pack-name { color: #9CA3AF; }
.pack-price { font-family: var(--font-display); font-size: 36px; font-weight: 700; letter-spacing: -0.025em; margin-bottom: 4px; }
.pack-price small { font-size: 14px; font-weight: 500; color: var(--graphite); letter-spacing: 0; }
.pack.featured .pack-price small { color: #9CA3AF; }
.pack-sub { font-size: 13px; color: var(--graphite); margin-bottom: 20px; }
.pack-list { flex-grow: 1; margin-bottom: 22px; }
.pack-list li { font-size: 13.5px; color: var(--ink-2); padding: 8px 0 8px 22px; position: relative; border-bottom: 1px solid var(--hairline); }
.pack.featured .pack-list li { color: #fff; border-bottom-color: #333; }
.pack-list li:last-child { border-bottom: none; }
.pack-list li::before { content: "+"; position: absolute; left: 0; color: var(--lens-blue); font-weight: 600; }
.pack-cta { width: 100%; justify-content: center; }
@media (max-width: 1000px) { .pricing-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .pricing-grid { grid-template-columns: 1fr; } }

/* ===================== CTA BAND ===================== */
.cta {
  background: #0B0E16; color: #fff; padding: 140px 0 120px;
  text-align: center; border-bottom: 0; position: relative; overflow: hidden;
}
.cta .aurora { mix-blend-mode: screen; opacity: 0.45; filter: blur(120px); }
.cta .aurora-1 { background: radial-gradient(circle, rgba(79,232,214,0.9) 0%, transparent 60%); opacity: 0.4; }
.cta .aurora-2 { background: radial-gradient(circle, rgba(96,165,250,0.9) 0%, transparent 60%); opacity: 0.35; }
.cta .aurora-3 { background: radial-gradient(circle, rgba(167,139,250,0.9) 0%, transparent 60%); opacity: 0.3; }
.cta .otto { margin: 0 auto 32px; display: inline-block; position: relative; z-index: 2; }
.cta h2 { position: relative; z-index: 2; font-family: var(--font-display); font-size: clamp(28px, 3.2vw, 40px); font-weight: 600; letter-spacing: -0.022em; margin: 0 auto 14px; max-width: 680px; color: #fff; }
.cta p { position: relative; z-index: 2; color: #CBD5E1; max-width: 560px; margin: 0 auto 32px; }
.cta .hero-actions { position: relative; z-index: 2; }
.cta .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.25); }
.cta .btn-ghost:hover { border-color: #fff; }

/* ===================== FOOTER ===================== */
footer { background: var(--stage-grey); padding: 80px 0 36px; }
.footer-mark { display: flex; justify-content: center; margin-bottom: 56px; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--hairline); }
.foot-col .foot-col-title { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--graphite); margin: 0 0 14px; font-weight: 500; }
.foot-col ul li { margin-bottom: 8px; font-size: 14px; }
.foot-col ul li a { color: var(--ink-2); }
.foot-col ul li a:hover { color: var(--lens-blue); }
.foot-pitch { color: var(--graphite); font-size: 14px; max-width: 280px; }
.foot-legal { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; color: var(--graphite); flex-wrap: wrap; gap: 12px; }
.foot-legal a:hover { color: var(--print-black); }
@media (max-width: 900px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .foot-grid { grid-template-columns: 1fr; } }

/* ===================== FAQ ===================== */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { border-top: 1px solid var(--hairline); padding: 20px 0; }
.faq-item:last-child { border-bottom: 1px solid var(--hairline); }
.faq-q { display: flex; justify-content: space-between; align-items: flex-start; cursor: pointer; font-weight: 600; font-size: 16.5px; color: var(--print-black); gap: 24px; }
.faq-q::after { content: "+"; font-family: var(--font-mono); color: var(--graphite); font-size: 22px; line-height: 1; transition: var(--tr); flex-shrink: 0; }
.faq-item.open .faq-q::after { content: "−"; }
.faq-a { display: none; margin-top: 14px; color: var(--graphite); font-size: 15.5px; max-width: 680px; }
.faq-item.open .faq-a { display: block; }

/* ===================== COMPARE GRID ===================== */
.compare-table { width: 100%; border-collapse: collapse; background: var(--paper-white); border: 1px solid var(--hairline); border-radius: 14px; overflow: hidden; }
.compare-table th, .compare-table td { padding: 14px 18px; text-align: left; font-size: 14.5px; border-bottom: 1px solid var(--hairline); }
.compare-table th { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--graphite); font-weight: 500; background: var(--stage-grey); }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table td.yes { color: var(--lens-blue); font-weight: 600; }
.compare-table td.no { color: var(--graphite-2); }

/* ===================== PAGE-HEADER (inner pages) ===================== */
.page-header { padding: 72px 0 56px; border-bottom: 1px solid var(--hairline); background: var(--stage-grey); position: relative; overflow: hidden; }
.page-header .eyebrow { display: block; margin-bottom: 14px; }
.page-header h1 { font-family: var(--font-display); font-size: clamp(30px, 3.8vw, 44px); font-weight: 600; letter-spacing: -0.022em; margin: 0 0 14px; max-width: 720px; }
.page-header .sub { color: var(--graphite); font-size: 17px; max-width: 640px; margin: 0; }

/* ===================== ROI CALCULATOR ===================== */
.roi {
  background: var(--paper-white); border: 1px solid var(--hairline); border-radius: 14px;
  padding: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
}
.roi-inputs label { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--graphite); margin-bottom: 8px; }
.roi-inputs input { width: 100%; padding: 12px 14px; border: 1px solid var(--hairline-2); border-radius: 8px; font-size: 16px; font-family: var(--font-body); margin-bottom: 20px; }
.roi-inputs input:focus { outline: 2px solid var(--lens-blue); outline-offset: 1px; border-color: transparent; }
.roi-output { background: var(--stage-grey); border-radius: 10px; padding: 24px; }
.roi-output .num { font-family: var(--font-display); font-size: 40px; font-weight: 700; line-height: 1.05; letter-spacing: -0.025em; margin-bottom: 6px; }
.roi-output .label { font-size: 13px; color: var(--graphite); margin-bottom: 18px; }
.roi-output .row { display: flex; justify-content: space-between; font-size: 14px; padding: 6px 0; border-top: 1px solid var(--hairline); }
.roi-output .row:first-of-type { border-top: none; }
@media (max-width: 720px) { .roi { grid-template-columns: 1fr; } }

/* ===================== BLOG CARDS ===================== */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 28px 0 48px; }
.card { display: block; padding: 22px 22px 24px; border: 1px solid var(--hairline); border-radius: 12px; background: var(--paper-white); text-decoration: none; color: var(--print-black); transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease; }
.card:hover { border-color: var(--lens-blue); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(17, 17, 17, 0.06); }
.card .eyebrow { display: block; margin-bottom: 10px; }
.card h3 { font-family: var(--font-display); font-size: 19px; font-weight: 600; letter-spacing: -0.012em; line-height: 1.25; margin: 0 0 10px; }
.card p { font-size: 14.5px; line-height: 1.55; color: var(--graphite); margin: 0; }
.h2 { font-family: var(--font-display); font-size: clamp(24px, 2.6vw, 30px); font-weight: 600; letter-spacing: -0.02em; margin: 48px 0 10px; }
@media (max-width: 900px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .cards { grid-template-columns: 1fr; } }