:root {
  --ink: #17282a;
  --muted: #5c6662;
  --cream: #fff8ee;
  --paper: #f5f1e9;
  --white: #fffdfa;
  --coral: #f05c3f;
  --coral-dark: #b93b27;
  --teal: #008e92;
  --blue: #1747ce;
  --yellow: #f5b724;
  --line: rgba(23,40,42,.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--cream); color: var(--ink); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; overflow-x: hidden; }
body, button { font-family: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: auto; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
.shell { width: min(100% - 40px, 1280px); margin-inline: auto; }

.site-header { position: relative; z-index: 10; background: rgba(255,248,238,.97); border-bottom: 1px solid var(--line); }
.nav { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; font-size: .75rem; font-weight: 850; letter-spacing: .13em; }
.brand-mark { width: 32px; height: 32px; border: 1px solid var(--ink); border-radius: 50%; display: grid; place-items: center; }
.brand-mark::after { content: "S"; color: var(--coral); font: italic 1.15rem Georgia, serif; }
.nav-links { display: flex; align-items: center; gap: 26px; color: #3f4a47; font-size: .88rem; }
.nav-cta { padding: 12px 18px; border-radius: 999px; background: var(--ink); color: #fff; font-weight: 750; }

.breadcrumb { margin: 0 0 22px; color: var(--coral-dark); font-size: .72rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.breadcrumb a { border-bottom: 1px solid rgba(185,59,39,.4); }
.product-hero { padding: 54px 0 86px; background: linear-gradient(135deg, #fff8ee 0 56%, #e7f7f4 56%); }
.hero-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(42px, 7vw, 96px); align-items: center; }
h1, h2, h3 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
h1 { margin: 0; max-width: 720px; font-size: clamp(3.4rem, 6.8vw, 7.1rem); line-height: .9; letter-spacing: -.055em; }
h1 em { color: var(--teal); font-weight: 400; }
.hero-copy { max-width: 570px; margin: 28px 0 34px; color: var(--muted); font-size: 1.08rem; line-height: 1.72; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 11px; }
.button { display: inline-flex; min-height: 52px; padding: 0 22px; align-items: center; justify-content: center; border-radius: 999px; background: var(--coral); color: #1d0d09; font-weight: 850; }
.button.secondary { border: 1px solid var(--ink); background: transparent; color: var(--ink); }
.hero-image { margin: 0; overflow: hidden; border-radius: 4px 70px 4px 4px; box-shadow: 0 25px 70px rgba(20,66,65,.16); background: #e7ded2; }
.hero-image img { aspect-ratio: 4 / 3; object-fit: cover; }

.procurement-panel { padding: 0 0 78px; background: var(--cream); }
.procurement-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-block: 1px solid var(--ink); }
.procurement-item { min-height: 170px; padding: 24px; border-right: 1px solid #ada79d; display: flex; flex-direction: column; justify-content: space-between; }
.procurement-item:last-child { border-right: 0; }
.procurement-item small { color: var(--coral-dark); font-size: .7rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.procurement-item h2, .procurement-item h3 { margin: 42px 0 0; font: 400 1.45rem/1.1 Georgia, serif; }
.procurement-item p { margin: 12px 0 0; color: var(--muted); line-height: 1.55; }

.info-hero { padding: 82px 0 74px; background: radial-gradient(circle at 86% 14%, rgba(240,92,63,.2), transparent 30%), linear-gradient(135deg, #fff8ee, #e7f7f4); }
.info-hero h1 { max-width: 960px; }
.info-hero p:last-child { max-width: 690px; margin: 28px 0 0; color: var(--muted); font-size: 1.08rem; line-height: 1.72; }
.info-content { padding: 90px 0 120px; background: var(--paper); }
.info-layout { display: grid; grid-template-columns: .56fr 1.44fr; gap: 80px; align-items: start; }
.info-aside { position: sticky; top: 30px; }
.info-aside p { margin: 18px 0 0; color: var(--muted); line-height: 1.65; }
.faq-stack { border-top: 1px solid var(--ink); }
.faq-stack details { border-bottom: 1px solid #aaa49a; }
.faq-stack summary { position: relative; list-style: none; cursor: pointer; padding: 26px 46px 26px 0; font: 400 1.45rem/1.3 Georgia, serif; }
.faq-stack summary::-webkit-details-marker { display: none; }
.faq-stack summary::after { content: "+"; position: absolute; right: 5px; top: 23px; color: var(--coral-dark); font-family: Inter, sans-serif; }
.faq-stack details[open] summary::after { content: "−"; }
.faq-stack details p { margin: -4px 54px 28px 0; color: var(--muted); line-height: 1.75; }
.legal-copy { max-width: 780px; }
.legal-copy h2 { margin: 54px 0 15px; font-size: clamp(1.9rem, 3.2vw, 2.8rem); line-height: 1.08; }
.legal-copy h2:first-child { margin-top: 0; }
.legal-copy p, .legal-copy li { color: #454d49; line-height: 1.8; }
.legal-copy ul { padding-left: 22px; }
.legal-callout { margin: 38px 0; padding: 25px 28px; border-left: 4px solid var(--teal); background: #e7f7f4; }
.not-found { min-height: calc(100vh - 80px); display: grid; place-items: center; padding: 70px 0; background: radial-gradient(circle at 80% 20%, rgba(240,92,63,.22), transparent 30%), linear-gradient(135deg, #fff8ee, #e7f7f4); }
.not-found-inner { max-width: 850px; }
.error-code { margin: 0 0 18px; color: var(--coral-dark); font-size: .75rem; font-weight: 850; letter-spacing: .18em; }
.not-found p { max-width: 620px; color: var(--muted); font-size: 1.08rem; line-height: 1.7; }

.overview { padding: 110px 0; }
.overview-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; }
.kicker { margin: 0 0 18px; color: var(--coral-dark); font-size: .72rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.section-title { margin: 0; font-size: clamp(2.7rem, 5vw, 5.4rem); line-height: .96; letter-spacing: -.045em; }
.overview-copy { color: var(--muted); font-size: 1.08rem; line-height: 1.8; }
.overview-copy p { margin: 0; }
.overview-copy p + p { margin-top: 20px; }

.decisions { padding: 105px 0 120px; background: var(--paper); }
.decision-head { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: end; }
.decision-head > p { max-width: 460px; margin: 0 0 6px; color: var(--muted); line-height: 1.7; }
.decision-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 64px; border-block: 1px solid var(--ink); }
.decision { min-height: 310px; padding: 28px; border-right: 1px solid #ada79d; }
.decision:last-child { border-right: 0; }
.decision span { color: var(--coral-dark); font-size: .72rem; font-weight: 850; letter-spacing: .13em; }
.decision h3 { margin: 90px 0 14px; font-size: 2rem; }
.decision p { margin: 0; color: var(--muted); line-height: 1.65; }

.specs { padding: 105px 0; background: var(--teal); color: #fff; }
.spec-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 80px; }
.specs .kicker { color: #ffe296; }
.specs .section-title { font-size: clamp(2.6rem, 4.8vw, 5rem); }
.spec-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
.spec-list li { min-height: 68px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid rgba(255,255,255,.35); color: #eefbf9; }
.spec-list li::before { content: "✓"; color: #ffe296; font-weight: 900; }
.spec-note { margin: 26px 0 0; color: #d6f0ed; line-height: 1.7; }
.spec-link { display: inline-flex; margin-top: 24px; padding-bottom: 4px; border-bottom: 1px solid rgba(255,255,255,.7); color: #fff; font-weight: 800; }

.capability-band { padding: 100px 0; background: var(--paper); }
.capability-intro { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: end; }
.capability-intro > p { margin: 0 0 6px; color: var(--muted); font-size: 1.08rem; line-height: 1.75; }
.capability-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 60px; border-block: 1px solid var(--ink); }
.capability-card { min-height: 290px; padding: 28px; border-right: 1px solid #ada79d; display: flex; flex-direction: column; justify-content: space-between; }
.capability-card:last-child { border-right: 0; }
.capability-card small { color: var(--coral-dark); font-size: .72rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.capability-card h3 { margin: 66px 0 14px; font-size: 2rem; }
.capability-card p { margin: 0; color: var(--muted); line-height: 1.65; }

.quality-section { padding: 110px 0; background: #e7f7f4; }
.quality-head { display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; align-items: end; }
.quality-head > p { margin: 0 0 6px; color: var(--muted); font-size: 1.08rem; line-height: 1.75; }
.quality-list { margin-top: 60px; border-top: 1px solid var(--ink); }
.quality-row { display: grid; grid-template-columns: 70px .65fr 1.35fr; gap: 24px; align-items: center; min-height: 112px; border-bottom: 1px solid #9db4b2; }
.quality-row strong { color: var(--coral-dark); font-size: .74rem; letter-spacing: .12em; }
.quality-row h3 { margin: 0; font-size: clamp(1.45rem, 2.4vw, 2.1rem); }
.quality-row p { margin: 0; color: var(--muted); line-height: 1.65; }

.learn { padding: 100px 0; background: var(--yellow); }
.learn-grid { display: flex; align-items: center; justify-content: space-between; gap: 55px; }
.learn h2 { max-width: 820px; margin: 0; font-size: clamp(2.6rem, 5vw, 5.4rem); line-height: .94; letter-spacing: -.045em; }
.learn-link { flex: 0 0 auto; border-bottom: 1px solid currentColor; font-weight: 850; }
.project-cta { padding: 90px 0; background: var(--blue); color: #fff; }
.cta-grid { display: flex; align-items: center; justify-content: space-between; gap: 50px; }
.project-cta h2 { max-width: 780px; margin: 0; font-size: clamp(2.7rem, 5.2vw, 5.7rem); line-height: .94; letter-spacing: -.045em; }

.footer { padding: 70px 0 30px; background: #111522; color: #c9c7c2; }
.footer-top { display: grid; grid-template-columns: 1.2fr .8fr; gap: 70px; align-items: end; padding-bottom: 52px; border-bottom: 1px solid rgba(255,255,255,.16); }
.footer-brand { margin: 0; color: #fff; font: 400 clamp(2.1rem, 4vw, 4.4rem) Georgia, serif; letter-spacing: -.04em; }
.footer-links { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 20px 26px; font-size: .85rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 25px; padding-top: 26px; font-size: .75rem; }
.whatsapp-float { position: fixed; right: 22px; bottom: 22px; z-index: 20; display: inline-flex; min-height: 52px; padding: 0 18px 0 10px; align-items: center; gap: 10px; border-radius: 999px; background: #1fbf63; color: #061d10; box-shadow: 0 14px 35px rgba(0,0,0,.25); font-size: .86rem; font-weight: 850; }
.whatsapp-icon { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: #fff; color: #15964b; font-size: .72rem; }

@media (max-width: 860px) {
  .nav { min-height: 0; padding: 14px 0 12px; flex-wrap: wrap; gap: 12px; }
  .nav-links { order: 2; width: 100%; gap: 8px; overflow-x: auto; padding: 2px 0 4px; scrollbar-width: none; }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a { flex: 0 0 auto; min-height: 38px; display: inline-flex; align-items: center; padding: 0 13px; border: 1px solid var(--line); border-radius: 999px; background: #fff; white-space: nowrap; }
  .nav-links .nav-cta { order: -1; border-color: var(--ink); background: var(--ink); }
  .hero-grid, .overview-grid, .decision-head, .spec-grid, .info-layout, .capability-intro, .quality-head { grid-template-columns: 1fr; gap: 46px; }
  .procurement-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .procurement-item:nth-child(2) { border-right: 0; }
  .procurement-item:nth-child(-n+2) { border-bottom: 1px solid #ada79d; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: 0; border-right: 0; border-bottom: 1px solid #ada79d; }
  .capability-card:last-child { border-bottom: 0; }
  .info-aside { position: static; }
  .decision-grid { grid-template-columns: 1fr; }
  .decision { min-height: 0; border-right: 0; border-bottom: 1px solid #ada79d; }
  .decision:last-child { border-bottom: 0; }
  .decision h3 { margin-top: 48px; }
  .quality-row { grid-template-columns: 54px 1fr; padding: 22px 0; }
  .quality-row p { grid-column: 2; }
  .learn-grid, .cta-grid { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 28px, 1280px); }
  .brand { max-width: 205px; font-size: .64rem; }
  .product-hero { padding: 42px 0 64px; background: linear-gradient(180deg, #fff8ee 0 56%, #e7f7f4 56%); }
  .info-hero { padding: 58px 0 54px; }
  .info-content { padding: 68px 0 88px; }
  h1 { font-size: clamp(3.15rem, 15.5vw, 5rem); }
  .hero-actions, .button { width: 100%; }
  .overview, .decisions, .specs, .capability-band, .quality-section, .learn, .project-cta { padding: 78px 0; }
  .procurement-panel { padding-bottom: 58px; }
  .procurement-grid { grid-template-columns: 1fr; }
  .procurement-item { min-height: 0; padding: 24px 16px; border-right: 0; border-bottom: 1px solid #ada79d; }
  .procurement-item:nth-child(2), .procurement-item:nth-child(-n+2) { border-bottom: 1px solid #ada79d; }
  .procurement-item:last-child { border-bottom: 0; }
  .procurement-item h2, .procurement-item h3 { margin-top: 30px; }
  .decision-grid { margin-top: 44px; }
  .decision { padding: 25px 16px; }
  .spec-list { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .footer-brand { font-size: clamp(1.75rem, 7vw, 2.25rem); overflow-wrap: anywhere; }
  .footer-links { justify-content: flex-start; }
  .footer-bottom { flex-direction: column; }
  .whatsapp-float { right: 14px; bottom: 14px; width: 52px; padding: 0; justify-content: center; }
  .whatsapp-float > span:last-child { display: none; }
}
