:root {
  --color-bg: #090b0c;
  --color-surface: #111416;
  --color-surface-soft: #171a1c;
  --color-text: #f8f8e8;
  --color-muted: #a9abad;
  --color-line: rgba(255, 255, 255, 0.14);
  --color-accent: #fab417;
  --color-accent-bright: #ffd15a;
  --color-ink: #121313;
  --color-paper: #f2f0ea;
  --container: 1240px;
  --header-height: 76px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
img { display: block; width: 100%; height: auto; }
svg { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.6; }

.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; top: 12px; left: 12px; padding: 10px 14px; background: #fff; color: #000; transform: translateY(-150%); transition: transform 0.2s; }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
  padding: 0 34px;
  border-bottom: 1px solid transparent;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease), backdrop-filter 0.35s var(--ease);
}
.site-header.scrolled { background: rgba(8, 10, 11, 0.88); border-color: var(--color-line); backdrop-filter: blur(16px); }
.brand { display: inline-flex; align-items: center; text-decoration: none; justify-self: start; }
.brand-logo { display: block; width: 68px; height: auto; }
.desktop-nav { display: flex; align-items: center; gap: 30px; }
.desktop-nav a { position: relative; text-decoration: none; text-transform: uppercase; letter-spacing: 0.12em; font-size: 11px; font-weight: 650; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 1px; background: var(--color-accent); transition: right 0.25s var(--ease); }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { right: 0; }
.header-cta { justify-self: end; border: 1px solid rgba(255, 255, 255, 0.6); background: rgba(0, 0, 0, 0.2); color: #fff; min-height: 39px; padding: 0 18px; text-transform: uppercase; letter-spacing: 0.11em; font-size: 10px; font-weight: 700; cursor: pointer; transition: 0.25s var(--ease); }
.header-cta:hover, .header-cta:focus-visible { background: #fff; color: #000; }
.menu-toggle, .mobile-menu { display: none; }

.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
.hero-media, .hero-shade { position: absolute; inset: 0; }
.hero-media { background-image: url("assets/hero-residencial.webp"); background-position: center center; background-size: cover; transform: scale(1.02); animation: hero-in 1.5s var(--ease) both; }
.hero-shade { background: linear-gradient(90deg, rgba(5, 7, 8, 0.87) 0%, rgba(5, 7, 8, 0.58) 36%, rgba(5, 7, 8, 0.06) 69%), linear-gradient(0deg, rgba(4, 5, 6, 0.52) 0%, transparent 42%); }
.hero-content { position: relative; z-index: 1; padding-top: var(--header-height); }
.hero-content > * { max-width: 660px; }
.eyebrow { margin: 0 0 18px; color: var(--color-accent-bright); text-transform: uppercase; font-weight: 750; letter-spacing: 0.2em; font-size: 11px; }
.hero h1 { margin: 0; max-width: 780px; font-size: clamp(48px, 6.4vw, 102px); line-height: 0.94; letter-spacing: -0.055em; font-weight: 780; }
.hero-copy { margin: 27px 0 0; max-width: 560px; color: rgba(255, 255, 255, 0.78); font-size: clamp(17px, 1.35vw, 21px); }
.hero-actions { display: flex; gap: 12px; margin-top: 36px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; padding: 0 25px; border: 1px solid transparent; text-decoration: none; text-transform: uppercase; letter-spacing: 0.12em; font-size: 11px; font-weight: 780; cursor: pointer; transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease); }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 2px solid var(--color-accent-bright); outline-offset: 3px; }
.button-primary { background: var(--color-accent); color: #111; border-color: var(--color-accent); }
.button-primary:hover { background: var(--color-accent-bright); border-color: var(--color-accent-bright); }
.button-ghost, .button-outline { background: rgba(0, 0, 0, 0.15); border-color: rgba(255, 255, 255, 0.65); color: #fff; }
.button-ghost:hover, .button-outline:hover { background: #fff; color: #111; border-color: #fff; }
.button-dark { background: #111; color: #fff; border-color: #111; }
.button-dark:hover { background: var(--color-accent); color: #111; border-color: var(--color-accent); }
.scroll-cue { position: absolute; z-index: 2; bottom: 28px; left: 50%; display: grid; justify-items: center; gap: 8px; transform: translateX(-50%); text-decoration: none; text-transform: uppercase; letter-spacing: 0.16em; font-size: 9px; color: rgba(255, 255, 255, 0.75); }
.scroll-cue svg { width: 20px; height: 20px; animation: bob 1.8s ease-in-out infinite; }

.section-dark { background: var(--color-bg); }
.plans { position: relative; padding: 110px 0 96px; overflow: hidden; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 60px; margin-bottom: 50px; }
.section-heading h2, .split-content h2, .faq h2, .final-cta h2 { margin: 0; max-width: 760px; font-size: clamp(38px, 5vw, 76px); line-height: 1; letter-spacing: -0.045em; }
.section-heading > p { max-width: 500px; margin: 0 0 5px; color: var(--color-muted); }
.section-heading.centered { display: block; max-width: 800px; margin: 0 auto 60px; text-align: center; }
.section-heading.centered .eyebrow { margin-bottom: 18px; }
.plan-grid { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.plan-card { min-width: 0; display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--color-line); background: linear-gradient(145deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015)); }
.plan-card.featured { border-color: rgba(250, 180, 23, 0.8); background: linear-gradient(145deg, rgba(250, 180, 23, 0.12), rgba(255, 255, 255, 0.02)); box-shadow: 0 30px 90px rgba(0, 0, 0, 0.3); }
.plan-topline { display: flex; justify-content: space-between; gap: 14px; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.13em; font-size: 9px; }
.plan-tag { color: var(--color-accent-bright); }
.plan-card h3 { margin: 45px 0 7px; font-size: clamp(30px, 2.5vw, 39px); line-height: 1.03; letter-spacing: -0.04em; }
.plan-account { margin: 0 0 7px; color: #d5d6ce; font-size: 14px; }
.plan-account strong { color: var(--color-accent-bright); font-weight: 650; }
.plan-generation { margin: 0; color: var(--color-muted); font-size: 13px; }
.plan-generation strong { color: #fff; font-weight: 600; }
.price-block { margin: 36px 0 28px; padding-bottom: 26px; border-bottom: 1px solid var(--color-line); }
.price-block > span { color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.12em; font-size: 9px; }
.price-block p { margin: 4px 0 0; font-weight: 790; font-size: clamp(42px, 4.1vw, 66px); letter-spacing: -0.055em; line-height: 1; }
.price-block p sup { position: relative; top: -0.65em; font-size: 16px; letter-spacing: 0; }
.price-block p span { font-size: 20px; letter-spacing: -0.02em; }
.saving { display: flex; gap: 13px; align-items: center; padding: 15px; background: rgba(250, 180, 23, 0.09); border-left: 2px solid var(--color-accent); }
.saving svg { width: 26px; height: 26px; color: var(--color-accent-bright); }
.saving div { display: grid; }
.saving span { color: var(--color-muted); font-size: 10px; text-transform: uppercase; letter-spacing: 0.07em; }
.saving strong { font-size: 20px; }
.plan-features { display: grid; gap: 10px; margin: 28px 0 34px; padding: 0; list-style: none; color: #d5d5d2; font-size: 13px; }
.plan-features li { position: relative; padding-left: 17px; }
.plan-features li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 6px; height: 1px; background: var(--color-accent); }
.plan-card .button { width: 100%; margin-top: auto; }
.plans-note { position: relative; margin: 26px 0 0; max-width: 1040px; color: #73777a; font-size: 11px; }

.split-section { min-height: 720px; display: grid; grid-template-columns: 1.12fr 0.88fr; background: #0c0e0f; color: var(--color-text); border-top: 1px solid var(--color-line); }
.split-section.reverse { grid-template-columns: 0.88fr 1.12fr; }
.split-section.reverse .split-media { order: 2; }
.split-media { position: relative; min-height: 620px; overflow: hidden; background: var(--color-bg); }
.split-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 52%, #0c0e0f 100%), linear-gradient(0deg, rgba(5, 7, 8, 0.52), transparent 38%); pointer-events: none; }
.split-section.reverse .split-media::after { background: linear-gradient(270deg, transparent 52%, #0c0e0f 100%), linear-gradient(0deg, rgba(5, 7, 8, 0.52), transparent 38%); }
.split-media img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.66) saturate(0.78) contrast(1.08); transform: scale(1.015); }
.split-content { align-self: center; padding: 80px clamp(40px, 6vw, 105px); }
.split-content .eyebrow { color: var(--color-accent-bright); }
.split-content h2 { font-size: clamp(40px, 4.5vw, 72px); }
.split-content > p:not(.eyebrow) { margin: 28px 0 0; max-width: 630px; color: var(--color-muted); font-size: 17px; }
.metric-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 42px; background: var(--color-line); border: 1px solid var(--color-line); }
.metric-row div { display: grid; gap: 7px; padding: 20px; background: var(--color-surface); }
.metric-row strong { font-size: 26px; letter-spacing: -0.03em; }
.metric-row span { color: var(--color-muted); font-size: 12px; }
.text-link { display: inline-flex; align-items: center; gap: 12px; margin-top: 32px; color: var(--color-accent-bright); text-decoration: none; text-transform: uppercase; letter-spacing: 0.11em; font-size: 10px; font-weight: 750; }
.text-link svg { width: 19px; height: 19px; transition: transform 0.2s; }
.text-link:hover svg { transform: translateX(4px); }
.process-list { display: grid; gap: 0; margin: 38px 0; padding: 0; list-style: none; border-top: 1px solid var(--color-line); }
.process-list li { display: grid; grid-template-columns: 44px 1fr; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--color-line); }
.process-list li > span { color: var(--color-accent-bright); font: 700 10px/1.5 inherit; letter-spacing: 0.12em; }
.process-list strong { font-size: 14px; text-transform: uppercase; letter-spacing: 0.07em; }
.process-list p { margin: 4px 0 0; color: var(--color-muted); font-size: 13px; }
.split-content .button-dark { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.62); }
.split-content .button-dark:hover { background: #fff; color: #111; border-color: #fff; }

.benefits { padding: 120px 0; }
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--color-line); border: 1px solid var(--color-line); }
.benefit-card { position: relative; min-height: 440px; display: flex; flex-direction: column; padding: 34px; background: var(--color-bg); overflow: hidden; }
.benefit-number { color: #5e6264; font-size: 10px; letter-spacing: 0.15em; }
.benefit-icon { width: 58px; height: 58px; margin: 75px 0 30px; color: var(--color-accent-bright); stroke-width: 1.2; }
.benefit-card h3 { margin: 0 0 15px; font-size: 27px; letter-spacing: -0.025em; }
.benefit-card p { margin: 0; color: var(--color-muted); }
.benefit-card small { z-index: 1; margin-top: auto; padding-top: 28px; color: #707477; font-size: 10px; }

.faq { padding: 120px 0; background: #0b0d0e; color: var(--color-text); border-top: 1px solid var(--color-line); }
.faq-layout { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 100px; }
.faq-intro { position: sticky; top: 120px; align-self: start; }
.faq-intro .eyebrow { color: var(--color-accent-bright); }
.faq-intro p:last-child { max-width: 360px; color: var(--color-muted); }
.faq-list { border-top: 1px solid var(--color-line); }
.faq-list details { border-bottom: 1px solid var(--color-line); }
.faq-list summary { position: relative; padding: 28px 54px 28px 0; cursor: pointer; list-style: none; font-size: 20px; font-weight: 650; letter-spacing: -0.015em; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before, .faq-list summary::after { content: ""; position: absolute; right: 5px; top: 39px; width: 17px; height: 1px; background: rgba(255, 255, 255, 0.8); transition: transform 0.25s var(--ease); }
.faq-list summary::after { transform: rotate(90deg); }
.faq-list details[open] summary::after { transform: rotate(0); }
.faq-list details p { margin: -6px 60px 28px 0; color: var(--color-muted); }

.final-cta { position: relative; min-height: 660px; display: grid; align-items: center; overflow: hidden; }
.final-cta-media, .final-cta-shade { position: absolute; inset: 0; }
.final-cta-media { background: url("assets/hero-residencial.webp") center 62% / cover; filter: saturate(0.85); }
.final-cta-shade { background: linear-gradient(90deg, rgba(5, 7, 8, 0.94), rgba(5, 7, 8, 0.46)), linear-gradient(0deg, rgba(5, 7, 8, 0.78), transparent); }
.final-cta-content { position: relative; z-index: 1; }
.final-cta-content > * { max-width: 720px; }
.final-cta-content p:not(.eyebrow) { color: rgba(255, 255, 255, 0.75); font-size: 18px; }
.final-cta-content .button { margin-top: 20px; }

.site-footer { padding: 70px 0 24px; background: #050607; border-top: 1px solid var(--color-line); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.7fr 1fr; gap: 70px; }
.footer-brand { margin-bottom: 22px; }
.footer-brand .brand-logo { width: 114px; }
.footer-grid > div:first-child > p { max-width: 390px; color: var(--color-muted); font-size: 13px; }
.footer-grid h2 { margin: 0 0 16px; color: #737679; text-transform: uppercase; letter-spacing: 0.14em; font-size: 10px; }
.footer-grid > div:not(:first-child) { display: flex; flex-direction: column; align-items: start; }
.footer-grid > div:not(:first-child) a { margin: 6px 0; color: #d1d2d0; text-decoration: none; font-size: 12px; }
.footer-grid a:hover { color: var(--color-accent-bright); }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 65px; padding-top: 20px; border-top: 1px solid var(--color-line); color: #65696b; font-size: 10px; }
.footer-bottom p { margin: 0; }

.quote-dialog { width: min(780px, calc(100% - 30px)); max-height: calc(100svh - 30px); padding: 0; border: 1px solid rgba(255, 255, 255, 0.18); background: #101315; color: #fff; }
.quote-dialog::backdrop { background: rgba(0, 0, 0, 0.78); backdrop-filter: blur(7px); }
.dialog-shell { position: relative; padding: 46px; overflow: auto; }
.dialog-shell > p:not(.eyebrow) { margin: 10px 0 28px; color: var(--color-muted); }
.dialog-shell h2 { margin: 0; font-size: clamp(32px, 5vw, 52px); line-height: 1; letter-spacing: -0.04em; }
.selected-plan { margin: -8px 0 26px; padding: 18px 20px; border-left: 2px solid var(--color-accent); background: rgba(250, 180, 23, 0.1); }
.selected-plan[hidden] { display: none; }
.selected-plan span, .selected-plan small { display: block; color: var(--color-muted); }
.selected-plan span { margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.12em; font-size: 9px; }
.selected-plan strong { display: block; color: var(--color-text); font-size: 22px; }
.selected-plan small { margin-top: 6px; font-size: 12px; line-height: 1.45; }
.dialog-close { position: absolute; top: 18px; right: 18px; width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--color-line); background: transparent; color: #fff; cursor: pointer; }
.dialog-close svg { width: 18px; height: 18px; }
.quote-dialog form { display: grid; gap: 18px; }
.quote-dialog label { display: grid; gap: 7px; }
.quote-dialog label span { color: #bbb; text-transform: uppercase; letter-spacing: 0.1em; font-size: 9px; }
.quote-dialog input, .quote-dialog select, .quote-dialog textarea { width: 100%; border: 1px solid #363a3d; border-radius: 0; background: #090b0c; color: #fff; padding: 14px; }
.quote-dialog input, .quote-dialog select { height: 50px; }
.quote-dialog select { color-scheme: dark; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.consent-field { grid-template-columns: 22px 1fr; align-items: start; gap: 11px !important; }
.quote-dialog .consent-field input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--color-accent); }
.quote-dialog .consent-field span { text-transform: none; letter-spacing: 0; font-size: 12px; line-height: 1.45; }
.form-trap { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.button:disabled { cursor: wait; opacity: 0.62; transform: none; }
.quote-result { margin-top: 8px; }
.result-kicker { margin: 0 0 8px; color: var(--color-accent-bright); text-transform: uppercase; letter-spacing: 0.16em; font-size: 9px; font-weight: 750; }
.quote-result h3 { margin: 0 0 24px; font-size: clamp(29px, 4vw, 42px); line-height: 1.02; }
.simulation-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--color-line); }
.simulation-grid article { min-height: 112px; display: grid; align-content: space-between; gap: 16px; padding: 20px; }
.simulation-grid article + article { border-left: 1px solid var(--color-line); }
.simulation-grid span, .simulation-price span { color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.09em; font-size: 9px; }
.simulation-grid strong { font-size: 19px; line-height: 1.12; }
.simulation-price { margin-top: 14px; padding: 22px; border-left: 2px solid var(--color-accent); background: rgba(250, 180, 23, 0.1); }
.simulation-price span { display: block; margin-bottom: 7px; }
.simulation-price strong { color: var(--color-text); font-size: clamp(27px, 5vw, 42px); line-height: 1; letter-spacing: -0.035em; }
.simulation-note { margin: 18px 0 0; color: var(--color-muted); font-size: 12px; line-height: 1.55; }
.result-actions { display: grid; grid-template-columns: 1.55fr 1fr; gap: 12px; margin-top: 25px; }
.whatsapp-fallback { display: inline-flex; margin-top: 16px; color: var(--color-accent-bright); font-weight: 750; }
.whatsapp-fallback[hidden] { display: none; }
.submission-status { display: block; min-height: 20px; margin-top: 10px; color: var(--color-accent-bright); }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }

@keyframes hero-in { from { opacity: 0; transform: scale(1.08); } to { opacity: 1; transform: scale(1.02); } }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(5px); } }

@media (max-width: 1020px) {
  .site-header { grid-template-columns: 1fr auto; padding-inline: 24px; }
  .desktop-nav, .header-cta { display: none; }
  .menu-toggle { justify-self: end; width: 43px; height: 43px; display: grid; align-content: center; gap: 7px; padding: 10px; border: 0; background: transparent; color: #fff; cursor: pointer; }
  .menu-toggle > span:not(.sr-only) { display: block; width: 23px; height: 1px; background: currentColor; transition: 0.25s var(--ease); }
  .menu-toggle[aria-expanded="true"] > span:nth-last-child(2) { transform: translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .mobile-menu { position: fixed; inset: var(--header-height) 0 0; display: block; background: rgba(8, 10, 11, 0.98); }
  .mobile-menu[hidden] { display: none; }
  .mobile-menu nav { width: min(calc(100% - 48px), 600px); margin: 30px auto; display: grid; }
  .mobile-menu a, .mobile-menu button { padding: 20px 0; border: 0; border-bottom: 1px solid var(--color-line); background: transparent; color: #fff; text-align: left; text-decoration: none; text-transform: uppercase; letter-spacing: 0.12em; font-size: 13px; cursor: pointer; }
  .mobile-menu button { color: var(--color-accent-bright); }
  .plan-grid { grid-template-columns: 1fr; gap: 12px; }
  .plan-card { min-height: 0; }
  .split-section, .split-section.reverse { min-height: 0; grid-template-columns: 1fr; }
  .split-section.reverse .split-media { order: 0; }
  .split-media { min-height: 520px; }
  .split-media::after, .split-section.reverse .split-media::after { background: linear-gradient(0deg, #0c0e0f 0%, rgba(12, 14, 15, 0.16) 44%, transparent 68%); }
  .faq-layout { gap: 55px; }
}

@media (max-width: 760px) {
  :root { --header-height: 66px; }
  .container { width: min(calc(100% - 32px), var(--container)); }
  .site-header { padding-inline: 16px; }
  .brand-logo { width: 57px; }
  .hero { min-height: 760px; align-items: end; padding-bottom: 96px; }
  .hero-media { background-position: 62% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(5, 7, 8, 0.96) 0%, rgba(5, 7, 8, 0.55) 58%, rgba(5, 7, 8, 0.18) 100%); }
  .hero h1 { max-width: 520px; font-size: clamp(48px, 15vw, 70px); }
  .hero-copy { font-size: 16px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .scroll-cue { display: none; }
  .plans { padding: 82px 0 72px; }
  .section-heading { display: block; margin-bottom: 34px; }
  .section-heading > p { margin-top: 20px; }
  .plan-card { padding: 24px; }
  .plan-card h3 { margin-top: 32px; }
  .price-block p { font-size: 58px; }
  .split-media { min-height: 350px; }
  .split-content { padding: 70px 24px; }
  .split-content h2, .section-heading h2, .faq h2, .final-cta h2 { font-size: clamp(39px, 11vw, 58px); }
  .metric-row { grid-template-columns: 1fr; }
  .benefits { padding: 86px 0; }
  .section-heading.centered { text-align: left; margin-bottom: 40px; }
  .benefit-grid { grid-template-columns: 1fr; }
  .benefit-card { min-height: 360px; }
  .benefit-icon { margin-top: 48px; }
  .faq { padding: 84px 0; }
  .faq-layout { grid-template-columns: 1fr; gap: 42px; }
  .faq-intro { position: static; }
  .faq-list summary { font-size: 17px; }
  .faq-list details p { margin-right: 0; }
  .final-cta { min-height: 620px; align-items: end; padding-bottom: 70px; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { display: grid; }
  .dialog-shell { padding: 38px 22px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .simulation-grid { grid-template-columns: 1fr; }
  .simulation-grid article { min-height: 86px; }
  .simulation-grid article + article { border-left: 0; border-top: 1px solid var(--color-line); }
  .result-actions { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}