:root {
  color-scheme: light;
  --ink: #251a30;
  --muted: #635c69;
  --purple: #240a37;
  --purple-soft: #442059;
  --yellow: #ffd126;
  --cream: #fbf7f0;
  --line: #e9e2dc;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--cream); font-family: Inter, "Segoe UI", Arial, sans-serif; line-height: 1.6; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.045em; }
.shell { width: min(100% - 48px, 1180px); margin-inline: auto; }
.section { padding-block: 112px; }
.skip-link { position: absolute; left: 20px; top: -100px; z-index: 10; background: white; padding: 10px 16px; }
.skip-link:focus { top: 10px; }
:focus-visible { outline: 3px solid #f1a700; outline-offset: 4px; }

.site-header { position: relative; z-index: 2; background: var(--purple); border-bottom: 1px solid rgba(255,255,255,.13); color: #fff; }
.header-inner { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { flex: 0 0 auto; }
.brand img { width: 175px; height: auto; }
.site-header nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 38px); font-size: .91rem; }
.site-header nav a { color: #e5dbe9; transition: color .2s; }
.site-header nav a:hover { color: var(--yellow); }
.header-contact { white-space: nowrap; padding: 10px 0; border-bottom: 1px solid var(--yellow); font-size: .91rem; font-weight: 700; }
.header-contact span, .text-link span, .button span { margin-left: 8px; }

.hero { overflow: hidden; color: #fff; background: radial-gradient(circle at 84% 18%, #51235e 0, transparent 34%), linear-gradient(145deg, #240a37, #351244 67%, #1e092f); padding: 100px 0 105px; }
.hero-grid { width: min(100% - 48px, 1340px); display: grid; grid-template-columns: minmax(0, .83fr) minmax(0, 1.17fr); align-items: center; gap: clamp(28px, 3.5vw, 54px); }
.eyebrow, .section-kicker { font-size: .73rem; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow { display: inline-flex; align-items: center; gap: 11px; color: #fce587; margin-bottom: 24px; }
.status-dot { width: 8px; height: 8px; flex: 0 0 8px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 0 5px rgba(255,209,38,.13); }
.hero h1 { max-width: 660px; font-size: clamp(3rem, 4.7vw, 4.75rem); font-weight: 750; margin-bottom: 28px; }
.hero h1 em { font-style: normal; color: var(--yellow); }
.hero-lead { max-width: 640px; color: #e9dfed; font-size: clamp(1.06rem, 1.35vw, 1.22rem); line-height: 1.65; margin-bottom: 24px; }
.hero-audience { max-width: 570px; color: #cbbdd2; font-size: .93rem; margin-bottom: 34px; }
.hero-audience strong { color: #fff; font-weight: 650; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 26px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 12px 22px; border-radius: 7px; font-size: .94rem; font-weight: 750; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #25131d; background: var(--yellow); }
.button-primary:hover { background: #ffe067; }
.text-link { color: #fff; border-bottom: 1px solid rgba(255,255,255,.5); font-size: .92rem; font-weight: 650; }
.text-link:hover { border-color: var(--yellow); }

.concept { position: relative; min-width: 0; margin: 0; padding: 25px; border: 1px solid rgba(255,255,255,.2); border-radius: 18px; background: #fdfaf5; color: var(--ink); box-shadow: 0 28px 70px rgba(8,0,20,.25); transform: rotate(1deg); }
.concept::before { content: ""; position: absolute; z-index: -1; width: 75%; height: 80%; right: -24px; bottom: -25px; border: 1px solid rgba(255,209,38,.55); border-radius: 18px; }
.concept-topline { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: #665b68; font-size: .65rem; font-weight: 800; letter-spacing: .16em; }
.concept-spark { color: #ff7928; font-size: 1.65rem; line-height: 1; }
.concept-heading { max-width: 330px; margin: 17px 0 22px; font-size: 1.47rem; line-height: 1.2; font-weight: 750; letter-spacing: -.04em; }
.concept-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
.concept-panel { min-height: 183px; padding: 18px; border: 1px solid #ebe4df; border-radius: 11px; background: #fff; }
.concept-panel p { margin: 12px 0 0; color: #655d68; font-size: .72rem; line-height: 1.45; }
.panel-label { display: block; color: #6e3c83; font-size: .67rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.persona-profile { display: flex; align-items: center; gap: 7px; margin-top: 16px; font-size: .66rem; line-height: 1.3; }
.persona-avatar { display: grid; place-items: center; flex: 0 0 28px; width: 28px; height: 28px; border-radius: 50%; background: #eeddf4; color: #6e3c83; font-weight: 800; }
.persona-question { margin-top: 12px; padding: 9px; border-radius: 7px 7px 7px 0; background: #f6eff9; color: #57455f; font-size: .67rem; line-height: 1.4; }
.cohort-row { display: flex; align-items: center; gap: 4px; margin-top: 10px; }
.cohort-row:first-of-type { margin-top: 20px; }
.cohort-row span { width: 70px; flex: 0 0 auto; color: #625766; font-size: .62rem; }
.cohort-row i { width: 19px; height: 19px; border-radius: 3px; background: #b88dcb; }
.cohort-row i:nth-of-type(2) { background: #d0addb; }
.cohort-row i:nth-of-type(3) { background: #e0c9e7; }
.cohort-row i:nth-of-type(4), .cohort-row i.dim { background: #efe4f2; }
.context-panel { grid-column: 1 / -1; min-height: 129px; }
.test-variants { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 17px; font-size: .75rem; font-weight: 700; }
.test-variants span:nth-child(odd) { padding: 9px 12px; border: 1px solid #ebd696; border-radius: 7px; background: #fbf4e3; }
.concept-caption { margin: 17px 0 0; color: #807782; font-size: .66rem; }

.agent-visual { display: grid; grid-template-columns: 210px minmax(0, 1fr); align-items: center; gap: 14px; min-width: 0; margin: 28px 0 0; padding: 18px; border: 1px solid #654073; border-radius: 16px; background: linear-gradient(145deg, #371447, #240a37); }
.agent-avatar-stage { position: relative; display: grid; place-items: center; isolation: isolate; height: 225px; }
.agent-avatar-stage::before { content: ""; position: absolute; z-index: -1; width: min(100%, 205px); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(255,139,78,.14), rgba(145,54,161,.08) 60%, transparent 71%); }
.agent-avatar { width: auto; height: 210px; max-width: 100%; object-fit: contain; filter: drop-shadow(0 9px 12px rgba(12,0,21,.25)); animation: agent-float 4.8s ease-in-out infinite; }
@keyframes agent-float {
  0%, 100% { transform: translateY(3px); }
  50% { transform: translateY(-8px); }
}
.agent-visual figcaption strong { display: block; color: #fff5ff; font-size: .98rem; line-height: 1.35; }
.agent-visual figcaption p { margin: 10px 0; color: #d9c9e1; font-size: .79rem; line-height: 1.65; }
.agent-visual figcaption > span { color: #ffe18a; font-size: .63rem; font-weight: 700; }

.section-kicker { color: #8b3b9e; margin-bottom: 21px; }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(45px, 9vw, 135px); align-items: start; }
.intro h2, .outcome h2 { max-width: 620px; font-size: clamp(2.3rem, 3.6vw, 3.65rem); margin-bottom: 0; }
.intro-copy { padding-top: 35px; color: #5b5460; font-size: 1.06rem; line-height: 1.8; }
.intro-copy p:last-child { margin-bottom: 0; }

.approach { background: #f1eae3; }
.section-heading { max-width: 730px; margin-bottom: 45px; }
.section-heading h2 { font-size: clamp(2.3rem, 3.6vw, 3.65rem); margin-bottom: 18px; }
.section-heading > p:last-child { color: var(--muted); font-size: 1.06rem; margin-bottom: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.feature-card { position: relative; min-height: 325px; padding: 31px; border: 1px solid #e4d9d3; border-radius: 11px; background: #fffdfb; }
.feature-number { color: #9b879f; font-size: .74rem; font-weight: 800; letter-spacing: .12em; }
.feature-icon { display: grid; place-items: center; width: 48px; height: 48px; margin: 18px 0; border-radius: 13px; color: #693080; background: #f3e8f6; font-size: 2rem; line-height: 1; }
.feature-card h3 { font-size: 1.5rem; margin-bottom: 15px; }
.feature-card p { color: #625b65; font-size: .94rem; line-height: 1.65; margin-bottom: 0; }
.feature-details { margin: 22px 0 0; padding: 18px 0 0 18px; border-top: 1px solid var(--line); color: #594a60; font-size: .87rem; line-height: 1.55; }
.feature-details li + li { margin-top: 7px; }
.feature-details li::marker { color: #8b3b9e; }

.outcome { color: #fff; background: radial-gradient(circle at 12% 10%, #4e215e, transparent 42%), linear-gradient(145deg, #2d0c40, #1c082d); }
.outcome .section-kicker { color: #ffe184; }
.outcome h2 { color: #fff; }
.outcome-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(45px, 9vw, 135px); align-items: center; }
.outcome-lead { margin: 25px 0 20px; color: #e0d2e7; font-size: 1.06rem; line-height: 1.8; }
.outcome-principle { color: #ffe184; font-size: .87rem; font-weight: 700; }
.agent-workflow { list-style: none; margin: 0; padding: 0; }
.agent-workflow li { position: relative; display: flex; align-items: flex-start; gap: 16px; padding-bottom: 28px; }
.agent-workflow li:last-child { padding-bottom: 0; }
.agent-workflow li:not(:last-child)::after { content: ""; position: absolute; left: 18px; top: 41px; bottom: 6px; border-left: 1px solid #805b91; }
.workflow-number { display: grid; place-items: center; flex: 0 0 37px; height: 37px; border: 1px solid #8a6398; border-radius: 10px; color: #ffe184; background: #492053; font-size: .75rem; font-weight: 800; }
.workflow-role { color: #ffe184; font-size: .61rem; font-weight: 800; letter-spacing: .1em; }
.agent-workflow h3 { margin: 6px 0 9px; font-size: 1.22rem; line-height: 1.25; }
.agent-workflow p { margin: 0; color: #d9c9e1; font-size: .91rem; line-height: 1.65; }

.demo-panel { margin-top: clamp(56px, 7vw, 90px); padding: clamp(32px, 5vw, 64px); border: 1px solid #80548f; border-radius: 22px; color: #fff; background: linear-gradient(130deg, #51245f, #351347); box-shadow: 0 24px 55px rgba(37, 10, 55, .15); }
.demo-panel .section-kicker { color: #ffe184; }
.demo-panel h3 { max-width: 530px; margin: 0; font-size: clamp(2rem, 3vw, 3.2rem); }
.note-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(45px, 9vw, 135px); align-items: center; }
.note-grid > div:last-child p { color: #e5d9eb; font-size: 1.06rem; line-height: 1.8; margin-bottom: 28px; }
.button-light { background: #fff; color: var(--purple); }
.button-light:hover { background: #f4e4fb; }

.newsletter { padding-block: 86px; background: #f7f2ea; }
.newsletter-grid { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: clamp(36px, 7vw, 95px); align-items: center; }
.founder-card { position: relative; overflow: hidden; border-radius: 13px; background: #ffd217; }
.founder-card img { width: 100%; height: 310px; object-fit: cover; object-position: center top; }
.founder-card > div { padding: 9px 12px; background: var(--purple); color: #fff; }
.founder-card strong { display: block; font-size: .82rem; line-height: 1.35; white-space: nowrap; }
.newsletter h2 { font-size: clamp(2.5rem, 4vw, 4.25rem); margin-bottom: 21px; }
.newsletter-copy > p:not(.section-kicker) { max-width: 610px; color: #625b64; font-size: 1.06rem; line-height: 1.7; }
.newsletter form { position: relative; margin-top: 30px; }
.newsletter label { display: block; margin-bottom: 9px; font-size: .85rem; font-weight: 700; }
.form-row { display: flex; gap: 9px; }
.form-row input { min-width: 0; flex: 1; min-height: 52px; padding: 12px 15px; border: 1px solid #ccc0c8; border-radius: 7px; background: #fff; color: var(--ink); }
.form-row button { flex: 0 0 auto; min-height: 52px; padding: 12px 20px; border: 0; border-radius: 7px; background: var(--purple); color: #fff; font-weight: 700; cursor: pointer; }
.form-row button:hover { background: var(--purple-soft); }
.form-row button:disabled { opacity: .6; cursor: wait; }
.form-row button span { margin-left: 7px; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-message { margin: 12px 0 0; font-size: .87rem; }
.newsletter-copy .newsletter-small { margin-top: 20px; font-size: .85rem !important; }

.site-footer { color: #d8cadf; background: #1b072a; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 18px; padding-block: 27px; font-size: .78rem; }

@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 740px; }
  .concept { max-width: 680px; margin-inline: auto; }
  .outcome-grid { grid-template-columns: 1fr; gap: 46px; }
  .agent-visual { max-width: 650px; }
}

@media (max-width: 990px) {
  .site-header nav { display: none; }
  .feature-card { padding: 24px; }
  .newsletter-grid { gap: 50px; }
}

@media (max-width: 680px) {
  .shell { width: min(100% - 36px, 1180px); }
  .section { padding-block: 75px; }
  .header-inner { min-height: 72px; gap: 14px; }
  .brand img { width: 144px; }
  .header-contact { font-size: .75rem; }
  .hero { padding: 71px 0 79px; }
  .hero h1 { font-size: clamp(2.6rem, 11vw, 4.2rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .concept { padding: 17px; transform: none; }
  .concept::before { display: none; }
  .concept-panel { padding: 12px; }
  .cohort-row span { width: 58px; }
  .cohort-row i { width: 14px; height: 16px; }
  .agent-visual { grid-template-columns: 160px minmax(0, 1fr); gap: 12px; padding: 14px; }
  .agent-avatar-stage { height: 180px; }
  .agent-avatar { height: 170px; }
  .intro-grid, .outcome-grid, .note-grid, .newsletter-grid { grid-template-columns: 1fr; gap: 26px; }
  .intro-copy { padding-top: 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .feature-icon { margin-block: 20px; }
  .newsletter { padding-block: 64px; }
  .founder-card { max-width: 260px; }
  .form-row { flex-direction: column; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
  .agent-avatar { animation: none; }
}

@media (max-width: 400px) {
  .brand img { width: 125px; }
  .header-inner { gap: 10px; }
  .header-contact { font-size: .72rem; }
}
