:root {
  --ink: #071623;
  --ink-2: #102635;
  --cyan: #6ee7f2;
  --cyan-soft: #d9fafd;
  --violet: #948cff;
  --paper: #f3f7f8;
  --white: #ffffff;
  --muted: #637681;
  --line: #d6e0e3;
  --whatsapp: #25d366;
  --radius: 18px;
  --shell: min(1180px, calc(100% - 48px));
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: Iowan Old Style, Baskerville, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 16px; line-height: 1.6; }
button, a { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
svg { display: block; }
.shell { width: var(--shell); margin-inline: auto; }
.section { padding: 112px 0; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 100; background: white; padding: 10px 16px; border-radius: 8px; }
.skip-link:focus { top: 12px; }

.site-header { position: absolute; inset: 0 0 auto; z-index: 20; color: white; border-bottom: 1px solid rgba(255,255,255,.14); }
.nav-wrap { height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: .92rem; letter-spacing: .12em; text-transform: uppercase; }
.brand b { display: block; color: #9eb0bb; font-size: .62rem; font-weight: 600; letter-spacing: .16em; }
.brand-mark { width: 35px; height: 35px; position: relative; display: block; }
.brand-mark i { position: absolute; width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); }
.brand-mark i:nth-child(1) { left: 2px; top: 16px; }
.brand-mark i:nth-child(2) { right: 3px; top: 3px; background: white; }
.brand-mark i:nth-child(3) { right: 1px; bottom: 2px; background: var(--violet); }
.brand-mark::before, .brand-mark::after { content: ""; position: absolute; width: 20px; height: 1px; background: rgba(255,255,255,.72); transform-origin: left; left: 9px; top: 19px; }
.brand-mark::before { transform: rotate(-34deg); }
.brand-mark::after { transform: rotate(26deg); }
nav { display: flex; gap: 34px; margin-left: auto; }
nav a { color: #c4d0d7; font-size: .88rem; transition: color .2s; }
nav a:hover { color: white; }
.menu-toggle, .mobile-nav { display: none; }

.wa-button, .outline-button { border: 0; display: inline-flex; align-items: center; justify-content: center; gap: 10px; font-weight: 700; letter-spacing: .01em; transition: transform .2s, background .2s, color .2s; }
.wa-button:hover, .outline-button:hover { transform: translateY(-2px); }
.wa-button svg { width: 19px; height: 19px; fill: currentColor; }
.wa-button--small { color: white; background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.18); border-radius: 999px; padding: 10px 18px; font-size: .86rem; }
.wa-button--primary { min-height: 56px; padding: 15px 24px; border-radius: 10px; background: var(--cyan); color: var(--ink); }
.wa-button--primary:hover { background: white; }
.wa-button--light { min-height: 52px; padding: 13px 20px; border-radius: 10px; background: white; color: var(--ink); }

.hero { min-height: 790px; position: relative; display: flex; align-items: center; overflow: hidden; background: var(--ink); color: white; }
.hero-image, .hero-overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: center; opacity: .92; }
.hero-overlay { background: rgba(4,18,29,.12); box-shadow: inset 820px 0 170px rgba(3,17,29,.96); }
.hero-content { position: relative; padding-top: 94px; }
.eyebrow, .section-index { margin: 0 0 24px; text-transform: uppercase; letter-spacing: .15em; font-size: .76rem; font-weight: 750; }
.eyebrow { color: #a9c1cd; display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 26px; height: 1px; background: var(--cyan); }
.hero h1 { margin: 0; max-width: 760px; font-size: clamp(3.8rem, 7vw, 6.7rem); line-height: .94; letter-spacing: -.06em; font-weight: 650; }
.hero h1 em { color: var(--cyan); font-family: var(--serif); font-weight: 400; }
.hero-copy { max-width: 590px; margin: 30px 0 0; color: #bed0d8; font-size: 1.12rem; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 34px; }
.text-link { font-size: .92rem; border-bottom: 1px solid #72909e; padding-bottom: 4px; }
.text-link span { margin-left: 8px; color: var(--cyan); }
.hero-points { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); max-width: 660px; padding: 0; margin: 62px 0 0; border-top: 1px solid rgba(255,255,255,.2); }
.hero-points li { padding: 20px 28px 0 0; }
.hero-points b, .hero-points span { display: block; }
.hero-points b { font-size: .92rem; }
.hero-points span { color: #8099a6; font-size: .78rem; }

.section-index { color: #5f7782; }
.section-index--light { color: #90a7b2; }
h2 { margin: 0; font-size: clamp(2.4rem, 4.2vw, 4.3rem); line-height: 1.03; letter-spacing: -.045em; font-weight: 650; }
.intro-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 100px; align-items: start; }
.intro-copy { padding-top: 50px; color: #425b66; font-size: 1.08rem; }
.intro-copy p:first-child { margin-top: 0; }
.notice { margin-top: 30px; padding: 20px 0 0 22px; border-top: 1px solid var(--line); border-left: 3px solid var(--cyan); font-size: .91rem; color: #647984; }

.range { background: white; }
.section-heading { display: flex; justify-content: space-between; gap: 40px; align-items: end; margin-bottom: 62px; }
.outline-button { padding: 12px 0; border-bottom: 1px solid var(--ink); background: transparent; color: var(--ink); border-radius: 0; }
.outline-button span { color: #637681; }
.range-list { border-top: 1px solid var(--line); }
.range-item { display: grid; grid-template-columns: 80px 72px 1fr 44px; gap: 24px; align-items: center; padding: 32px 0; border-bottom: 1px solid var(--line); transition: padding .2s, background .2s; }
.range-item:hover { padding-inline: 16px; background: #f6fafb; }
.range-number { font-size: .72rem; letter-spacing: .1em; color: #81949e; }
.range-icon { width: 54px; height: 54px; display: grid; place-items: center; border: 1px solid #cddade; border-radius: 50%; }
.range-icon svg { width: 31px; fill: none; stroke: var(--ink-2); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.range-item h3 { margin: 0 0 6px; font-size: 1.35rem; letter-spacing: -.02em; }
.range-item p { margin: 0; color: var(--muted); }
.range-item small { display: block; margin-top: 4px; color: #8a9ca5; font-size: .78rem; }
.range-item > button { border: 0; width: 42px; height: 42px; border-radius: 50%; background: var(--ink); color: white; font-size: 1.2rem; }

.quality { background: var(--ink); color: white; position: relative; overflow: hidden; }
.quality::after { content: ""; position: absolute; width: 380px; height: 380px; right: -180px; bottom: -190px; border: 1px solid rgba(110,231,242,.35); border-radius: 50%; box-shadow: 0 0 0 80px rgba(110,231,242,.035), 0 0 0 160px rgba(110,231,242,.02); }
.quality-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 112px; position: relative; z-index: 1; }
.quality-lead > p:not(.section-index) { color: #9fb4be; margin: 28px 0; max-width: 510px; }
.process-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid #2a414f; }
.process-list li { display: grid; grid-template-columns: 50px 1fr; gap: 24px; padding: 26px 0; border-bottom: 1px solid #2a414f; }
.process-list li > span { color: var(--cyan); font-size: .76rem; letter-spacing: .12em; padding-top: 5px; }
.process-list h3 { margin: 0 0 5px; font-size: 1.18rem; }
.process-list p { margin: 0; color: #8fa5af; font-size: .92rem; }

.proof { padding-block: 50px; background: var(--cyan-soft); }
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.proof-stat { padding: 16px 44px; border-right: 1px solid #b8e4e9; }
.proof-stat:first-child { padding-left: 0; }
.proof-stat:last-child { border: 0; }
.proof-stat strong { display: block; font-family: var(--serif); font-weight: 400; font-size: 2.25rem; letter-spacing: -.03em; }
.proof-stat span { display: block; color: #55717b; font-size: .84rem; max-width: 240px; }

.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 100px; }
.faq-grid > div:first-child > p:last-child { color: var(--muted); max-width: 340px; }
.accordion { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { list-style: none; padding: 26px 46px 26px 0; position: relative; font-weight: 700; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
summary span, summary span::after { position: absolute; right: 4px; top: 50%; width: 18px; height: 1px; background: var(--ink); transition: transform .2s; }
summary span::after { content: ""; right: 0; top: 0; transform: rotate(90deg); }
details[open] summary span::after { transform: rotate(0); }
details p { margin: 0; padding: 0 40px 28px 0; color: var(--muted); max-width: 680px; }

.final-cta { background: #d8f8fb; }
.final-cta-inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 90px; align-items: end; }
.final-cta .eyebrow { color: #58727d; }
.final-cta p:not(.eyebrow) { color: #47616d; margin: 0 0 24px; }

footer { background: #05111b; color: white; padding: 70px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.7fr .65fr .9fr; gap: 60px; }
.brand--footer { margin-bottom: 16px; }
.footer-grid p { color: #7e929d; font-size: .88rem; }
.footer-grid h3 { color: #738994; text-transform: uppercase; letter-spacing: .12em; font-size: .7rem; margin: 0 0 16px; }
.footer-grid > div > a:not(.brand), .footer-link { display: block; color: #b5c1c7; margin: 7px 0; font-size: .86rem; }
.footer-link { border: 0; padding: 0; background: none; }
.footer-grid a:hover, .footer-link:hover { color: white; }
.legal-bar { margin-top: 60px; padding-top: 22px; border-top: 1px solid #1b2c37; display: flex; justify-content: space-between; gap: 20px; color: #647984; font-size: .72rem; }

.floating-wa { position: fixed; z-index: 18; right: 26px; bottom: 26px; display: flex; align-items: center; gap: 9px; border: 0; border-radius: 999px; background: var(--whatsapp); color: #042c18; padding: 14px 19px; font-weight: 800; box-shadow: 0 12px 35px rgba(0,0,0,.2); }
.floating-wa svg { width: 23px; height: 23px; fill: currentColor; }
.mobile-cta { display: none; }
.toast { position: fixed; z-index: 60; left: 50%; bottom: 25px; transform: translate(-50%, 130px); color: white; background: var(--ink); border: 1px solid #304653; padding: 13px 18px; border-radius: 8px; box-shadow: 0 14px 35px rgba(0,0,0,.25); transition: transform .28s; text-align: center; }
.toast.show { transform: translate(-50%, 0); }

dialog { width: min(680px, calc(100% - 32px)); max-height: 82vh; border: 0; border-radius: var(--radius); padding: 42px; color: var(--ink); box-shadow: 0 30px 90px rgba(0,0,0,.3); }
dialog::backdrop { background: rgba(4,15,24,.72); }
.dialog-close { position: absolute; right: 18px; top: 12px; background: none; border: 0; font-size: 2rem; color: #60747e; }
#dialog-content h2 { font-size: 2.2rem; margin-bottom: 20px; }
#dialog-content h3 { margin-top: 24px; }
#dialog-content p, #dialog-content li { color: #526974; }

@media (max-width: 900px) {
  :root { --shell: min(100% - 36px, 720px); }
  .section { padding: 82px 0; }
  nav, .wa-button--small { display: none; }
  .menu-toggle { display: grid; width: 42px; height: 42px; padding: 11px; place-content: center; gap: 6px; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; background: transparent; }
  .menu-toggle span { display: block; width: 18px; height: 1px; background: white; transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .mobile-nav { display: grid; background: #091c29; padding: 18px; border-top: 1px solid rgba(255,255,255,.12); }
  .mobile-nav a { padding: 13px 0; color: #c2d0d6; }
  .hero { min-height: 760px; }
  .hero-image { object-position: 68% center; opacity: .76; }
  .hero-overlay { background: rgba(3,17,29,.34); box-shadow: inset 520px 0 145px rgba(3,17,29,.94); }
  .hero h1 { font-size: clamp(3.15rem, 13vw, 5rem); }
  .intro-grid, .quality-grid, .faq-grid, .final-cta-inner { grid-template-columns: 1fr; gap: 46px; }
  .intro-copy { padding-top: 0; }
  .section-heading { align-items: start; flex-direction: column; }
  .quality-grid { gap: 60px; }
  .faq-grid { gap: 50px; }
}

@media (max-width: 620px) {
  :root { --shell: calc(100% - 30px); }
  body { padding-bottom: 76px; }
  .nav-wrap { height: 72px; }
  .hero { min-height: 750px; align-items: flex-end; padding-bottom: 42px; }
  .hero-content { padding-top: 110px; }
  .hero-copy { font-size: 1rem; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 18px; }
  .hero-actions .wa-button { width: 100%; }
  .text-link { align-self: flex-start; }
  .hero-points { margin-top: 36px; gap: 10px; }
  .hero-points li { padding: 16px 4px 0 0; }
  .hero-points b { font-size: .82rem; }
  .hero-points span { font-size: .7rem; line-height: 1.35; }
  h2 { font-size: clamp(2.25rem, 11vw, 3.35rem); }
  .range-item { grid-template-columns: 44px 1fr 38px; gap: 15px; }
  .range-item:hover { padding-inline: 0; }
  .range-icon { display: none; }
  .range-item h3 { font-size: 1.08rem; }
  .range-item p { font-size: .84rem; line-height: 1.5; }
  .range-item > button { width: 36px; height: 36px; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-stat, .proof-stat:first-child { padding: 21px 0; border-right: 0; border-bottom: 1px solid #b8e4e9; }
  .proof-stat:last-child { border-bottom: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .legal-bar { flex-direction: column; }
  .floating-wa { display: none; }
  .mobile-cta { display: block; position: fixed; z-index: 25; left: 0; right: 0; bottom: 0; padding: 10px 15px; background: rgba(5,17,27,.96); }
  .mobile-cta .wa-button { width: 100%; min-height: 54px; }
  dialog { padding: 36px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}