:root {
  --paper: #F0EEE6;
  --paper-2: #E8E5DA;
  --card: #FBFAF6;
  --ink: #1F1E1D;
  --ink-soft: #57544D;
  --ink-faint: #8A8579;
  --coral: #D97757;
  --clay: #BD5D45;
  --line: rgba(31, 30, 29, 0.12);
  --line-2: rgba(31, 30, 29, 0.08);
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --wrap: 1140px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
}

.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 100;
  opacity: 0.5; mix-blend-mode: multiply;
  background-image: radial-gradient(rgba(31,30,29,0.05) 1px, transparent 1px);
  background-size: 3px 3px;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: 1.5rem; padding-right: 1.5rem; }
.ast { color: var(--coral); }
em { font-style: italic; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--sans); font-weight: 600; font-size: 0.95rem;
  padding: 0.7rem 1.3rem; border-radius: 10px; cursor: pointer;
  text-decoration: none; border: 1px solid transparent; transition: all 0.18s ease;
  white-space: nowrap;
}
.btn--primary { background: var(--coral); color: #fff; }
.btn--primary:hover { background: var(--clay); transform: translateY(-1px); }
.btn--dark { background: var(--ink); color: var(--paper); }
.btn--dark:hover { background: #000; transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--coral); color: var(--coral); }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.9rem 1.5rem;
  max-width: var(--wrap); margin: 0 auto;
  backdrop-filter: blur(10px);
}
.nav::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--line-2);
}
.nav__brand { font-family: var(--serif); font-size: 1.45rem; font-weight: 500; display: flex; align-items: baseline; gap: 0.4rem; }
.nav__sub { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.04em; color: var(--ink-faint); }
.nav__links { display: flex; align-items: center; gap: 1.6rem; }
.nav__links a { color: var(--ink-soft); text-decoration: none; font-size: 0.92rem; font-weight: 500; transition: color 0.15s; }
.nav__links a:hover { color: var(--coral); }
.nav__links a.btn { color: var(--ink); }

/* hero */
.hero { padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(2.5rem, 5vw, 4rem); text-align: center; position: relative; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(70% 90% at 50% 0%, rgba(217,119,87,0.10), transparent 60%);
}
.pill {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.04em;
  color: var(--ink-soft); padding: 0.45rem 0.95rem;
  border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,0.45);
  margin-bottom: 1.8rem;
}
.hero h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(2.4rem, 6.5vw, 5rem); line-height: 1.04; letter-spacing: -0.02em;
  margin: 0 auto 1.4rem; max-width: 16ch;
}
.hero h1 em { color: var(--coral); }
.hero__lede {
  font-size: clamp(1.05rem, 2.1vw, 1.4rem); color: var(--ink-soft);
  max-width: 42rem; margin: 0 auto 2.2rem; line-height: 1.5;
}
.hero__lede strong { color: var(--ink); font-weight: 600; }
.hero__cta { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; }
.hero__meta {
  margin-top: 1.8rem; font-family: var(--mono); font-size: 0.78rem;
  color: var(--ink-faint); display: flex; gap: 0.7rem; justify-content: center; flex-wrap: wrap;
}
.hero__meta i { color: var(--coral); font-style: normal; }

/* value strip */
.strip {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line-2); border: 1px solid var(--line-2); border-radius: 14px; overflow: hidden;
  margin-top: 1rem; margin-bottom: 1rem;
}
.strip__item { background: var(--card); padding: 1.3rem 1.5rem; display: flex; flex-direction: column; gap: 0.25rem; }
.strip__k { font-weight: 600; font-size: 1.02rem; }
.strip__v { color: var(--ink-faint); font-size: 0.9rem; }

/* sections */
.section { padding: clamp(3.5rem, 8vw, 6rem) 1.5rem; }
.section--alt { background: var(--paper-2); }
.section--alt .wrap { padding-left: 0; padding-right: 0; }
.section__head { max-width: 44rem; margin-bottom: 3rem; }
.kicker {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--coral); margin-bottom: 1rem;
}
.section__head h2 {
  font-family: var(--serif); font-weight: 500; font-size: clamp(1.9rem, 4.2vw, 3rem);
  line-height: 1.1; letter-spacing: -0.015em; margin-bottom: 0.9rem;
}
.section__head p { color: var(--ink-soft); font-size: clamp(1rem, 1.8vw, 1.2rem); max-width: 40rem; }

/* core differentiator block */
.core-block {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 0;
  border: 1.5px solid var(--coral); border-radius: 18px; overflow: hidden;
  margin-bottom: 1.4rem; background: var(--card);
  box-shadow: 0 24px 60px -36px rgba(217,119,87,0.65);
}
.core-block__main {
  padding: 2rem 2.1rem;
  background: linear-gradient(135deg, rgba(217,119,87,0.10), rgba(217,119,87,0.03));
}
.core-block__label {
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--coral); margin-bottom: 0.9rem; display: flex; align-items: center; gap: 0.45rem;
}
.core-block__main h3 {
  font-family: var(--serif); font-weight: 500; font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.12; margin-bottom: 0.8rem;
}
.core-block__main p { color: var(--ink-soft); font-size: 1rem; line-height: 1.55; }
.core-block__main strong { color: var(--clay); font-weight: 600; }
.core-block__pair {
  display: grid; grid-template-rows: 1fr 1fr; gap: 1px; background: var(--line-2);
  border-left: 1px solid var(--line-2);
}
.core-block__cell { background: var(--card); padding: 1.5rem 1.7rem; display: flex; flex-direction: column; }
.core-block__cico { font-size: 1.4rem; margin-bottom: 0.6rem; }
.core-block__cell strong { font-size: 1.08rem; font-weight: 600; margin-bottom: 0.3rem; }
.core-block__cell span { color: var(--ink-soft); font-size: 0.92rem; line-height: 1.45; }

/* package cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.card {
  background: var(--card); border: 1px solid var(--line-2); border-radius: 16px;
  padding: 1.7rem 1.6rem; transition: all 0.2s ease;
}
.card:hover { transform: translateY(-3px); border-color: rgba(217,119,87,0.4); box-shadow: 0 12px 30px -18px rgba(31,30,29,0.3); }
.card--accent { background: rgba(217,119,87,0.07); border-color: rgba(217,119,87,0.28); }
.card__ico { font-size: 1.6rem; margin-bottom: 1rem; }
.card h3 { font-family: var(--serif); font-weight: 500; font-size: 1.4rem; line-height: 1.12; margin-bottom: 0.6rem; }
.card__core {
  font-family: var(--mono); font-size: 0.6rem; font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase; color: #fff; background: var(--coral);
  padding: 0.15rem 0.5rem; border-radius: 999px; vertical-align: middle; margin-left: 0.4rem;
}
.card p { color: var(--ink-soft); font-size: 0.98rem; line-height: 1.5; }

/* agentic support */
.support { position: relative; }
.support::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(80% 70% at 85% 0%, rgba(217,119,87,0.09), transparent 60%);
}

/* lifecycle */
.lifecycle {
  list-style: none; display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px;
  background: var(--line-2); border: 1px solid var(--line-2); border-radius: 14px; overflow: hidden;
}
.lifecycle li { background: var(--card); padding: 1.4rem 1.3rem; display: flex; flex-direction: column; }
.lifecycle li span { font-family: var(--mono); font-size: 0.8rem; color: var(--coral); font-weight: 600; margin-bottom: 0.7rem; }
.lifecycle strong { font-family: var(--serif); font-weight: 500; font-size: 1.2rem; margin-bottom: 0.35rem; }
.lifecycle p { color: var(--ink-soft); font-size: 0.88rem; line-height: 1.4; }

/* capability pills */
.caps-block { margin-top: 2.2rem; }
.caps-block__label {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: 1rem;
}
.caps { list-style: none; display: flex; flex-wrap: wrap; gap: 0.6rem; }
.caps li {
  font-size: 0.92rem; color: var(--ink); position: relative;
  padding: 0.5rem 1rem 0.5rem 1.9rem;
  border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,0.4);
}
.caps li::before {
  content: "✓"; position: absolute; left: 0.85rem; top: 50%; transform: translateY(-50%);
  color: var(--coral); font-weight: 700; font-size: 0.8rem;
}
.caps--lg li { font-size: 1rem; padding: 0.6rem 1.2rem 0.6rem 2.1rem; }

/* positioning band */
.position { background: var(--ink); color: var(--paper); padding: clamp(3.5rem, 7vw, 5.5rem) 1.5rem; }
.position .wrap { display: grid; grid-template-columns: auto 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.position__stat {
  font-family: var(--serif); font-weight: 500; font-size: clamp(3.6rem, 10vw, 7rem);
  color: var(--coral); line-height: 0.85; letter-spacing: -0.02em;
}
.position__body .kicker { color: var(--coral); }
.position__body h2 {
  font-family: var(--serif); font-weight: 500; font-size: clamp(1.6rem, 3.2vw, 2.5rem);
  line-height: 1.12; margin-bottom: 0.9rem;
}
.position__body p { color: rgba(240,238,230,0.82); font-size: 1.05rem; line-height: 1.55; max-width: 48rem; }

/* steps */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.steps li { display: flex; flex-direction: column; gap: 0.9rem; }
.steps li span {
  width: 2.4rem; height: 2.4rem; flex: 0 0 auto; display: grid; place-items: center;
  border-radius: 50%; background: var(--coral); color: #fff;
  font-family: var(--mono); font-weight: 600; font-size: 1rem;
}
.steps strong { display: block; font-family: var(--serif); font-weight: 500; font-size: 1.25rem; margin-bottom: 0.3rem; }
.steps p { color: var(--ink-soft); font-size: 0.95rem; line-height: 1.45; }
.steps em { color: var(--clay); font-style: italic; }

/* plans */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; align-items: start; }
.plan {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  padding: 2rem 1.8rem; position: relative; display: flex; flex-direction: column;
}
.plan--featured { border-color: var(--coral); border-width: 1.5px; box-shadow: 0 20px 50px -30px rgba(217,119,87,0.6); }
.plan--ent { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.plan--ent .plan__sub, .plan--ent .plan__tag { color: rgba(240,238,230,0.6); }
.plan--ent .plan__list li { color: rgba(240,238,230,0.85); border-color: rgba(240,238,230,0.12); }
.plan--ent .plan__list strong { color: #fff; }
.plan__badge {
  position: absolute; top: -0.8rem; left: 50%; transform: translateX(-50%);
  background: var(--coral); color: #fff; font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase; padding: 0.35rem 0.9rem; border-radius: 999px;
}
.plan__name { font-family: var(--serif); font-size: 1.7rem; font-weight: 500; }
.plan__tag { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-faint); margin-top: 0.2rem; }
.plan__price { font-family: var(--serif); font-size: clamp(2.4rem, 5vw, 3.2rem); font-weight: 500; margin: 1.1rem 0 0.2rem; line-height: 1; }
.plan__price .cur { font-size: 0.5em; vertical-align: super; color: var(--coral); margin-right: 0.05em; }
.plan__price .per { font-family: var(--sans); font-size: 0.9rem; font-weight: 500; color: var(--ink-faint); margin-left: 0.3rem; }
.plan--ent .plan__price .per { color: rgba(240,238,230,0.55); }
.plan__price .from { font-family: var(--mono); font-size: 0.85rem; color: var(--ink-faint); margin-right: 0.35rem; letter-spacing: 0.04em; }
.plan__sub { color: var(--ink-soft); font-size: 0.92rem; margin-bottom: 1.4rem; min-height: 2.6em; }
.plan__btn { width: 100%; margin-bottom: 1.6rem; }
.plan__list { list-style: none; display: grid; gap: 0.7rem; }
.plan__list li {
  font-size: 0.95rem; color: var(--ink-soft); padding-left: 1.6rem; position: relative;
  padding-bottom: 0.7rem; border-bottom: 1px solid var(--line-2); line-height: 1.4;
}
.plan__list li:last-child { border-bottom: 0; }
.plan__list li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: var(--coral); font-weight: 700; font-size: 0.85rem;
}
.plan__list strong { color: var(--ink); font-weight: 600; }
.plan__list .muted { color: var(--ink-faint); }
.plan__list .muted::before { content: "•"; color: var(--ink-faint); }
.plan__list .hl { color: #fff; font-weight: 600; }
.plan__list .hl::before { content: "+"; color: var(--coral); }

/* FDE */
.fde {
  margin-top: 2.5rem; border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  background: var(--card);
}
.fde__head { padding: 2rem 2rem 1.5rem; }
.fde__head h3 { font-family: var(--serif); font-weight: 500; font-size: 1.7rem; margin-bottom: 0.5rem; }
.fde__head p { color: var(--ink-soft); max-width: 46rem; font-size: 1rem; }
.fde__tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-2); }
.fde__tier { background: var(--card); padding: 1.6rem 1.8rem; }
.fde__tier--mid { background: rgba(217,119,87,0.06); }
.fde__n {
  font-family: var(--serif); font-size: 2.6rem; font-weight: 500; color: var(--coral); line-height: 1;
}
.fde__l { font-weight: 600; font-size: 1.05rem; margin: 0.3rem 0 0.5rem; }
.fde__tier p { color: var(--ink-soft); font-size: 0.92rem; line-height: 1.45; }

/* cta */
.cta { text-align: center; padding: clamp(4rem, 9vw, 7rem) 1.5rem; background: var(--paper-2); }
.cta h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(2rem, 4.5vw, 3.2rem); line-height: 1.1; margin-bottom: 0.8rem; }
.cta p { color: var(--ink-soft); font-size: 1.15rem; margin-bottom: 1.8rem; }
.cta__meta { margin-top: 1.6rem; font-family: var(--mono); font-size: 0.78rem; color: var(--ink-faint); }

/* footer */
.foot {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem;
  padding-top: 2rem; padding-bottom: 2rem; font-size: 0.85rem; color: var(--ink-faint);
}
.foot span:first-child { font-family: var(--serif); font-size: 1.1rem; color: var(--ink); }
.foot__note { font-family: var(--mono); }

/* responsive */
@media (max-width: 760px) {
  .core-block { grid-template-columns: 1fr; }
  .core-block__pair { border-left: 0; border-top: 1px solid var(--line-2); }
}
@media (max-width: 980px) {
  .lifecycle { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .position .wrap { grid-template-columns: 1fr; gap: 1.2rem; }
}
@media (max-width: 920px) {
  .cards, .steps { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: 1fr; max-width: 26rem; margin: 0 auto; }
  .fde__tiers { grid-template-columns: 1fr; }
  .nav__links a:not(.btn) { display: none; }
}
@media (max-width: 560px) {
  .strip, .cards, .steps { grid-template-columns: 1fr; }
  .lifecycle { grid-template-columns: 1fr; }
}