:root {
  color-scheme: light;
  --ink: #15171a;
  --ink-soft: #40433d;
  --muted: #6c6a61;
  --line: #e2ded2;
  --line-strong: #cfcabb;
  --paper: #fbfaf6;
  --paper-raised: #f2efe6;
  --green: #0b4f3c;
  --green-deep: #06281f;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, "Times New Roman", serif;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); line-height: 1.5; }
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: 0.75rem 1rem; background: var(--ink); color: white; border-radius: 0.4rem; }
.skip-link:focus { top: 1rem; }

.site-header { min-height: 76px; width: min(1180px, calc(100% - 40px)); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 2rem; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: baseline; gap: 0.15rem; text-decoration: none; font-family: var(--serif); font-size: 1.3rem; font-weight: 600; letter-spacing: -0.01em; color: var(--ink); }
.brand .accent { color: var(--green); }
.site-header nav { display: flex; align-items: center; gap: 2.2rem; }
.site-header nav a, .site-footer nav a { color: var(--muted); font-size: 0.88rem; text-decoration: none; }
.site-header nav a:hover, .site-footer nav a:hover { color: var(--ink); }

.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 0.7rem; padding: 0 1.3rem; border: 1px solid transparent; border-radius: 6px; font-size: 0.92rem; font-weight: 600; text-decoration: none; transition: background 150ms ease, border-color 150ms ease, color 150ms ease; }
.button-small { min-height: 38px; padding: 0 1rem; font-size: 0.85rem; }
.button-ghost { border-color: var(--line-strong); background: transparent; color: var(--ink); }
.button-ghost:hover { border-color: var(--ink); }
.button-primary { color: white; background: var(--ink); }
.button-primary:hover { background: var(--green-deep); }
.button-link { color: var(--ink); padding-inline: 0; border-bottom: 1px solid var(--line-strong); border-radius: 0; }
.button-link:hover { border-color: var(--ink); }
.button-light { color: var(--ink); background: white; }
.button-light:hover { background: var(--paper-raised); }
.button:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }

h1, h2, h3, p { text-wrap: pretty; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; color: var(--ink); }

.eyebrow { margin: 0 0 1rem; color: var(--muted); font-family: Inter, sans-serif; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }

/* Scroll-reveal (progressive enhancement: content is visible by default, only hidden once JS confirms it will animate it in) */
html.js-anim [data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity 700ms cubic-bezier(.2,.7,.2,1), transform 700ms cubic-bezier(.2,.7,.2,1); }
html.js-anim [data-reveal].is-visible { opacity: 1; transform: translateY(0); }
html.js-anim [data-reveal-stagger] > * { opacity: 0; transform: translateY(14px); transition: opacity 600ms ease, transform 600ms ease; }
html.js-anim [data-reveal-stagger].is-visible > * { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: no-preference) {
  @keyframes fade-up { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
  @keyframes pulse-dot { 0%, 100% { box-shadow: 0 0 0 0 rgba(11, 79, 60, 0.3); } 50% { box-shadow: 0 0 0 4px rgba(11, 79, 60, 0); } }
  .hero-copy .eyebrow { animation: fade-up 700ms both; }
  .hero-copy h1 { animation: fade-up 700ms 90ms both; }
  .hero-copy .hero-text { animation: fade-up 700ms 180ms both; }
  .hero-copy .hero-actions { animation: fade-up 700ms 270ms both; }
  .hero-copy .fact-strip { animation: fade-up 700ms 360ms both; }
  .preview-stage { animation: fade-up 800ms 200ms both; }
}

.hero { display: grid; grid-template-columns: minmax(0, 0.86fr) minmax(520px, 1.14fr); align-items: center; gap: clamp(2rem, 5vw, 5rem); padding: clamp(4rem, 8vw, 7rem) max(24px, calc((100vw - 1180px) / 2)); border-bottom: 1px solid var(--line); background-image: radial-gradient(rgba(21, 23, 26, 0.08) 1px, transparent 1px); background-size: 20px 20px; background-position: -10px -10px; }
.hero-copy { max-width: 540px; }
h1 { max-width: 560px; margin: 0; font-size: clamp(2.5rem, 4.6vw, 4rem); line-height: 1.08; letter-spacing: -0.015em; }
.hero-text { max-width: 480px; margin: 1.6rem 0 0; color: var(--ink-soft); font-size: clamp(1.02rem, 1.2vw, 1.14rem); }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.5rem; margin-top: 2.2rem; }

.fact-strip { display: flex; gap: 0; margin: 2.6rem 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.fact-strip li { flex: 1; padding: 0.9rem 1.2rem 0 0; }
.fact-strip li + li { padding-left: 1.2rem; border-left: 1px solid var(--line); }
.fact-strip b { display: block; font-family: var(--serif); font-size: 1.05rem; font-weight: 600; color: var(--ink); }
.fact-strip span { display: block; margin-top: 0.2rem; color: var(--muted); font-size: 0.74rem; line-height: 1.35; }

.preview-stage { min-width: 0; display: flex; align-items: center; }
.product-preview { flex: 0 0 auto; width: 100%; min-height: 455px; border: 1px solid var(--line-strong); border-radius: 10px; overflow: hidden; background: white; box-shadow: 0 1px 2px rgba(21, 23, 26, 0.04); }
.preview-topbar { height: 54px; display: flex; align-items: center; justify-content: space-between; padding: 0 1.1rem; border-bottom: 1px solid var(--line); font-size: 0.72rem; }
.preview-brand { display: flex; align-items: center; gap: 0.4rem; font-family: var(--serif); font-weight: 600; }
.preview-brand b { color: var(--green); font-weight: 600; }
.preview-status { display: flex; align-items: center; gap: 0.4rem; color: var(--muted); }
.preview-status i { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--green); animation: pulse-dot 2.4s ease-in-out infinite; }
.ecf-chip { margin: 0.6rem 0 0; opacity: 0; transform: translateY(4px); color: var(--green); font-size: 0.62rem; font-weight: 700; text-align: center; transition: opacity 400ms ease, transform 400ms ease; }
.ecf-chip.show { opacity: 1; transform: translateY(0); }
.preview-body { min-height: 400px; display: grid; grid-template-columns: 108px 1fr 215px; }
.preview-body aside { padding: 1rem 0.65rem; border-right: 1px solid var(--line); }
.preview-body aside span { display: block; margin-bottom: 0.55rem; padding: 0.15rem 0; color: var(--muted); font-size: 0.6rem; border-left: 2px solid transparent; }
.preview-body aside .active { padding-left: 0.5rem; color: var(--ink); font-weight: 700; border-left: 2px solid var(--green); }
.preview-products { padding: 1.3rem 1rem; }
.preview-products > p, .preview-cart > p { margin: 0 0 0.1rem; color: var(--muted); font-size: 0.56rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.preview-products > strong { font-family: var(--serif); font-weight: 600; font-size: 1.02rem; }
.search-demo { margin: 0.9rem 0; padding: 0.6rem 0.7rem; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); font-size: 0.6rem; }
kbd { float: right; padding: 0.05rem 0.3rem; border: 1px solid var(--line-strong); border-radius: 3px; background: var(--paper-raised); font: inherit; }
.product-list { margin: 0; padding: 0; list-style: none; }
.product-list li { display: flex; align-items: center; gap: 0.6rem; padding: 0.55rem 0; border-top: 1px solid var(--line); font-size: 0.64rem; }
.product-list i { display: grid; place-items: center; flex: 0 0 auto; width: 22px; height: 22px; border: 1px solid var(--line-strong); border-radius: 50%; font-size: 0.56rem; font-style: normal; font-weight: 700; color: var(--ink); }
.product-list b { flex: 1; font-weight: 600; }
.product-list small { color: var(--muted); }
.preview-cart { display: flex; flex-direction: column; padding: 1.2rem 0.85rem 0.85rem; border-left: 1px solid var(--line); }
.preview-cart > span { display: flex; justify-content: space-between; gap: 0.5rem; padding: 0.7rem 0; border-bottom: 1px solid var(--line); font-size: 0.6rem; }
.preview-cart > span small { color: var(--muted); }
.preview-total { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding: 0.85rem 0; }
.preview-total b { font-family: var(--serif); font-size: 0.95rem; }
.preview-cart button { height: 36px; border: 0; border-radius: 4px; color: white; background: var(--ink); font-size: 0.6rem; font-weight: 700; }

.audience-strip { padding: 2.4rem 24px; text-align: center; border-bottom: 1px solid var(--line); }
.audience-strip p { margin: 0 0 0.7rem; color: var(--muted); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.12em; }
.audience-strip div { display: flex; justify-content: center; flex-wrap: wrap; gap: 0.5rem 0.9rem; color: var(--ink-soft); font-family: var(--serif); font-size: clamp(0.95rem, 1.2vw, 1.08rem); }
.audience-strip i { color: var(--line-strong); font-style: normal; }

.section { width: min(1120px, calc(100% - 48px)); margin: 0 auto; padding: clamp(4.5rem, 8vw, 7rem) 0; }
.split-section { display: grid; grid-template-columns: 0.72fr 1.28fr; gap: clamp(3rem, 7vw, 7rem); align-items: start; }
.section-heading h2 { margin: 0; font-size: clamp(1.9rem, 3.4vw, 2.9rem); line-height: 1.12; letter-spacing: -0.01em; }
.section-heading > p:last-child { margin: 1.25rem 0 0; color: var(--muted); max-width: 46ch; }

.path-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.path-card { min-height: 420px; display: flex; flex-direction: column; padding: clamp(1.6rem, 3vw, 2.2rem); background: var(--paper); }
.whatsapp-head { display: flex; align-items: center; gap: 0.5rem; margin-bottom: auto; color: var(--muted); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.04em; }
.card-label { margin: 3rem 0 0.6rem; color: var(--muted); font-size: 0.64rem; letter-spacing: 0.12em; font-weight: 700; text-transform: uppercase; }
.path-card h3 { margin: 0; font-size: 1.5rem; line-height: 1.15; }
.path-card > p:not(.card-label) { color: var(--ink-soft); font-size: 0.92rem; }
.path-card ul { margin: 1rem 0 0; padding: 0; list-style: none; font-size: 0.82rem; color: var(--ink-soft); }
.path-card li { padding: 0.55rem 0; border-top: 1px solid var(--line); }
.chat-demo { margin-top: 1.2rem; padding: 0.9rem 1rem; border-left: 2px solid var(--green); background: var(--paper-raised); color: var(--ink-soft); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.72rem; line-height: 1.7; }
.chat-demo p { margin: 0; }
.chat-demo span { display: block; color: var(--ink); font-weight: 600; }
.chat-demo-reply { opacity: 1; }
html.js-anim .chat-demo-reply { opacity: 0; transform: translateY(4px); transition: opacity 500ms ease 650ms, transform 500ms ease 650ms; }
html.js-anim .chat-demo.is-visible .chat-demo-reply { opacity: 1; transform: translateY(0); }

.compliance-wrap { width: 100%; max-width: none; padding-inline: max(24px, calc((100vw - 1120px) / 2)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper-raised); }
.compliance-grid-outer { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(3rem, 6vw, 6rem); align-items: start; }
.compliance-grid-outer .section-heading h2 { max-width: 20ch; }
.compliance-grid-outer .section-heading > p:last-child { max-width: 48ch; }
.spec-list { margin: 0; padding: 0; border-top: 1px solid var(--line-strong); }
.spec-list > div { display: grid; grid-template-columns: 0.42fr 0.58fr; gap: 1.5rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line-strong); }
.spec-list dt { margin: 0; color: var(--muted); font-size: 0.78rem; }
.spec-list dd { margin: 0; font-size: 0.92rem; }

.features-section { width: 100%; max-width: none; padding-inline: max(24px, calc((100vw - 1120px) / 2)); }
.centered { max-width: 620px; margin: 0 auto 3.2rem; text-align: center; }
.centered p:last-child { margin-left: auto; margin-right: auto; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.feature-grid article { min-height: 210px; padding: 1.8rem; background: var(--paper); }
.feature-grid article > span { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.7rem; }
.feature-grid h3 { margin: 2.8rem 0 0.5rem; font-size: 1.08rem; }
.feature-grid p { margin: 0; color: var(--muted); font-size: 0.85rem; }

.stats-wrap { width: 100%; max-width: none; padding-inline: max(24px, calc((100vw - 1120px) / 2)); background: var(--green-deep); }
.stats-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.stats-band div { padding: clamp(2.2rem, 4vw, 3rem) clamp(1rem, 2vw, 2rem); }
.stats-band div + div { border-left: 1px solid rgba(255, 255, 255, 0.16); }
.stats-band b { display: block; font-family: var(--serif); font-weight: 500; font-size: clamp(2rem, 3.4vw, 2.7rem); letter-spacing: -0.01em; color: white; }
.stats-band span { display: block; margin-top: 0.5rem; color: #a9c2b8; font-size: 0.86rem; max-width: 26ch; }

.scenarios-wrap { width: 100%; max-width: none; padding-inline: max(24px, calc((100vw - 1120px) / 2)); background: var(--ink); color: white; }
.scenarios-wrap .eyebrow { color: #9aa29b; }
.scenarios-wrap .section-heading h2 { color: white; }
.scenarios-wrap .section-heading > p:last-child { color: #b9beb8; }
.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255, 255, 255, 0.14); border: 1px solid rgba(255, 255, 255, 0.14); margin-top: 3rem; }
.scenario-card { padding: clamp(1.6rem, 3vw, 2.1rem); background: var(--ink); }
.scenario-card .card-label { margin-top: 0; color: #9aa29b; }
.scenario-card h3 { margin: 0 0 0.75rem; font-size: 1.2rem; color: white; }
.scenario-card > p:not(.card-label):not(.scenario-outcome) { margin: 0 0 1.2rem; color: #c7cbc3; font-size: 0.9rem; }
.scenario-outcome { margin: 0; padding-top: 0.9rem; border-top: 1px solid rgba(255, 255, 255, 0.18); color: #d9f1e8; font-size: 0.84rem; font-weight: 600; }

.faq-section { display: grid; grid-template-columns: 0.65fr 1.35fr; gap: 6rem; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; padding: 1.25rem 2.5rem 1.25rem 0; font-weight: 600; list-style: none; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 0; color: var(--muted); font-size: 1.2rem; font-weight: 400; }
.faq-list details[open] summary::after { content: "\2212"; }
.faq-list details p { margin: -0.35rem 0 1.4rem; padding-right: 3rem; color: var(--muted); font-size: 0.9rem; }

.cta-section { padding: clamp(4.5rem, 9vw, 7rem) 24px; text-align: center; color: white; background: var(--ink); }
.cta-section .eyebrow { color: #9aa29b; }
.cta-section h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.1rem); color: white; letter-spacing: -0.01em; }
.cta-section > p:not(.eyebrow) { margin: 1rem auto 2rem; max-width: 46ch; color: #b9beb8; }

.site-footer { width: min(1120px, calc(100% - 48px)); margin: 0 auto; padding-block: 3rem; display: grid; grid-template-columns: auto 1fr auto; align-items: start; gap: 2rem; border-top: 1px solid var(--line); }
.site-footer > p { margin: 0.9rem 0 0; color: var(--muted); font-size: 0.82rem; max-width: 36ch; }
.site-footer nav { display: flex; flex-direction: column; gap: 0.55rem; }
.site-footer small { grid-column: 1 / -1; margin-top: 1rem; color: var(--muted); font-size: 0.72rem; }

@media (max-width: 1050px) {
  .hero { grid-template-columns: minmax(0, 1fr); }
  .hero-copy { width: 100%; max-width: 620px; }
  .preview-stage { justify-content: center; }
  .product-preview { width: min(700px, 94vw); }
  .split-section { grid-template-columns: 1fr; }
  .split-section .section-heading { max-width: 620px; }
  .compliance-grid-outer { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .site-header { width: min(100% - 28px, 1180px); }
  .site-header nav { display: none; }
  .hero { padding: 3.5rem 20px 4.5rem; }
  h1 { max-width: 100%; font-size: clamp(2.3rem, 9vw, 3.2rem); }
  .hero-text { font-size: 1rem; }
  .fact-strip { flex-direction: column; }
  .fact-strip li, .fact-strip li + li { padding: 0.9rem 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .fact-strip li:first-child { border-top: 0; }
  .preview-body { grid-template-columns: 90px 1fr; }
  .preview-cart { display: none; }
  .section { width: min(100% - 36px, 1120px); padding-block: 3.5rem; }
  .path-grid, .faq-section, .scenario-grid { grid-template-columns: 1fr; }
  .path-card { min-height: auto; }
  .feature-grid, .stats-band { grid-template-columns: 1fr 1fr; }
  .stats-band div:nth-child(2) { border-left: 1px solid rgba(255, 255, 255, 0.16); }
  .stats-band div:nth-child(3) { border-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.16); }
  .faq-section { gap: 3rem; }
  .spec-list > div { grid-template-columns: 1fr; gap: 0.3rem; }
  .site-footer { grid-template-columns: 1fr; text-align: left; }
}

@media (max-width: 520px) {
  .site-header .button { padding: 0 0.8rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 1.1rem; }
  .audience-strip div { gap: 0.4rem 0.6rem; }
  .feature-grid, .stats-band { grid-template-columns: 1fr; }
  .stats-band div + div { border-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.16); }
  .feature-grid article { min-height: 170px; }
  .feature-grid h3 { margin-top: 2rem; }
  .site-footer nav { flex-direction: row; flex-wrap: wrap; gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}