@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Space+Grotesk:wght@600;700&display=swap');

:root {
  --green-950: #031f18;
  --green-900: #052f24;
  --green-800: #0a4936;
  --green-700: #146247;
  --green-500: #35b85d;
  --green-400: #6fe13d;
  --green-300: #a8f180;
  --ink: #15221d;
  --muted: #65736c;
  --soft: #f3f6f3;
  --paper: #fbfcfa;
  --white: #ffffff;
  --line: #dce5df;
  --container: 1180px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --shadow: 0 28px 80px rgba(2, 31, 23, .16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Manrope", sans-serif; line-height: 1.6; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.container { width: min(calc(100% - 40px), 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; left: 14px; top: -80px; z-index: 200; padding: 12px 16px; border-radius: 8px; background: var(--white); color: var(--green-950); font-weight: 800; }
.skip-link:focus { top: 14px; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; color: var(--white); transition: background .25s ease, box-shadow .25s ease; }
.site-header.scrolled { background: rgba(3,31,24,.94); box-shadow: 0 12px 36px rgba(0,0,0,.16); backdrop-filter: blur(16px); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 13px; }
.brand-mark { width: 54px; height: 54px; flex: 0 0 auto; object-fit: contain; filter: drop-shadow(0 8px 18px rgba(0,0,0,.18)); }
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy strong { font-family: "Space Grotesk", sans-serif; font-size: 1.25rem; letter-spacing: -.015em; }
.brand-copy strong span { color: var(--green-400); }
.brand-copy small { margin-top: 5px; color: rgba(255,255,255,.52); font-size: .62rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.site-nav { display: flex; align-items: center; gap: 25px; }
.site-nav > a:not(.button) { color: rgba(255,255,255,.75); font-size: .77rem; font-weight: 700; }
.site-nav > a:hover { color: var(--white); }
.menu-toggle { display: none; width: 45px; height: 45px; padding: 10px; border: 1px solid rgba(255,255,255,.18); border-radius: 11px; background: transparent; }
.menu-toggle span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; border-radius: 2px; background: var(--white); transition: transform .2s ease, opacity .2s ease; }

.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; padding: 0 23px; border: 1px solid transparent; border-radius: 12px; font-size: .84rem; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--green-400); color: var(--green-950); box-shadow: 0 14px 34px rgba(111,225,61,.19); }
.button-primary:hover { background: #82ef51; box-shadow: 0 18px 42px rgba(111,225,61,.25); }
.button-ghost { border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.06); color: var(--white); backdrop-filter: blur(10px); }
.button-ghost:hover { background: rgba(255,255,255,.12); }
.button-small { min-height: 43px; padding-inline: 18px; }
.button-header { background: var(--green-400); color: var(--green-950); }
.button-outline-light { border-color: rgba(255,255,255,.34); color: var(--white); }
.button-outline-light:hover { background: var(--white); color: var(--green-950); }
.button-full { width: 100%; }

.hero { position: relative; min-height: 760px; display: flex; align-items: center; overflow: hidden; background: var(--green-950); color: var(--white); }
.hero-background, .hero-overlay, .hero-grid { position: absolute; inset: 0; }
.hero-background { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-overlay { background: linear-gradient(90deg, rgba(3,31,24,.99) 0%, rgba(3,31,24,.91) 38%, rgba(3,31,24,.42) 70%, rgba(3,31,24,.18) 100%), linear-gradient(0deg, rgba(3,31,24,.5), transparent 55%); }
.hero-grid { opacity: .12; background-image: linear-gradient(rgba(255,255,255,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.2) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg, black, transparent 76%); }
.hero-layout { position: relative; z-index: 2; width: 100%; display: grid; grid-template-columns: minmax(0, 1.16fr) minmax(300px, .52fr); gap: 90px; align-items: end; padding: 142px 0 84px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; color: var(--green-300); font-size: .73rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow span { width: 30px; height: 2px; background: var(--green-400); }
.eyebrow-dark { color: var(--green-700); }
.hero h1, h2 { margin: 0; font-family: "Space Grotesk", sans-serif; font-weight: 700; letter-spacing: -.045em; line-height: 1.02; }
.hero h1 { max-width: 850px; font-size: clamp(3.25rem, 6.2vw, 6.3rem); }
.hero-lead { max-width: 760px; margin: 26px 0 0; color: rgba(255,255,255,.74); font-size: clamp(1rem, 1.5vw, 1.18rem); line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 34px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 9px 22px; margin-top: 30px; color: rgba(255,255,255,.55); font-size: .76rem; font-weight: 700; }
.hero-proof span::before { content: "✓"; margin-right: 8px; color: var(--green-400); }
.hero-panel { align-self: end; padding: 28px; border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius-md); background: rgba(3,31,24,.76); box-shadow: var(--shadow); backdrop-filter: blur(18px); }
.panel-kicker { color: var(--green-300); font-size: .67rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.hero-panel > strong { display: block; margin-top: 13px; font-family: "Space Grotesk", sans-serif; font-size: 1.65rem; line-height: 1.1; }
.hero-panel > p { margin: 13px 0 0; color: rgba(255,255,255,.61); font-size: .86rem; }
.panel-flow { display: grid; gap: 8px; margin-top: 25px; }
.panel-flow span { padding: 10px 12px; border-left: 2px solid var(--green-400); background: rgba(255,255,255,.055); color: rgba(255,255,255,.82); font-size: .72rem; font-weight: 700; }

.trust-strip { border-bottom: 1px solid var(--line); background: var(--white); }
.trust-items { min-height: 88px; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; }
.trust-items span { position: relative; padding-left: 26px; color: var(--green-900); font-size: .82rem; font-weight: 800; }
.trust-items span::before { content: ""; position: absolute; left: 0; top: 50%; width: 9px; height: 9px; border: 2px solid var(--green-500); border-radius: 50%; transform: translateY(-50%); }

.section { padding: 112px 0; }
.section-heading { max-width: 700px; }
.section-heading-wide { max-width: 850px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading.centered .eyebrow { justify-content: center; }
h2 { font-size: clamp(2.45rem, 4.9vw, 4.7rem); }
.section-heading > p { margin: 22px 0 0; color: var(--muted); font-size: 1.03rem; }
.problem-section { background: var(--paper); }
.problem-layout { display: grid; grid-template-columns: .88fr 1.12fr; gap: 100px; align-items: start; }
.sticky-heading { position: sticky; top: 120px; }
.situation-list { border-top: 1px solid var(--line); }
.situation-list article { display: grid; grid-template-columns: 58px 1fr; gap: 22px; padding: 27px 0; border-bottom: 1px solid var(--line); }
.situation-list article > span { width: 45px; height: 45px; display: grid; place-items: center; border-radius: 12px; background: var(--green-900); color: var(--green-400); font-size: .72rem; font-weight: 800; }
.situation-list h3 { margin: 0 0 5px; font-size: 1.08rem; }
.situation-list p { margin: 0; color: var(--muted); font-size: .88rem; }

.solutions-section { position: relative; overflow: hidden; background: var(--green-950); color: var(--white); }
.solutions-section::before { content: "RV"; position: absolute; right: -3vw; top: 30px; color: rgba(255,255,255,.026); font-family: "Space Grotesk", sans-serif; font-size: 21vw; font-weight: 700; line-height: 1; }
.solutions-section .section-heading > p, .materials-section .section-heading > p { color: rgba(255,255,255,.58); }
.solution-grid { position: relative; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 60px; }
.solution-card { min-height: 300px; display: flex; flex-direction: column; padding: 30px; border: 1px solid rgba(255,255,255,.13); border-radius: var(--radius-md); background: rgba(255,255,255,.045); transition: transform .25s ease, background .25s ease; }
.solution-card:hover { transform: translateY(-5px); background: rgba(255,255,255,.075); }
.solution-card-featured { background: var(--green-400); color: var(--green-950); }
.solution-card-featured:hover { background: #7aea4b; }
.card-number { font-size: .72rem; font-weight: 800; letter-spacing: .1em; opacity: .65; }
.card-tag { width: max-content; margin-top: auto; padding: 7px 10px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; color: var(--green-300); font-size: .64rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.solution-card-featured .card-tag { border-color: rgba(3,31,24,.2); color: var(--green-950); }
.solution-card h3 { margin: 14px 0 9px; font-family: "Space Grotesk", sans-serif; font-size: 1.65rem; line-height: 1.12; }
.solution-card p { margin: 0; color: rgba(255,255,255,.58); font-size: .9rem; }
.solution-card-featured p { color: rgba(3,31,24,.7); }
.coordination-banner { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 70px; align-items: center; margin-top: 16px; padding: 36px; border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-md); background: var(--green-800); }
.banner-label { color: var(--green-300); font-size: .67rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.coordination-banner h3 { margin: 10px 0 0; font-family: "Space Grotesk", sans-serif; font-size: 1.75rem; line-height: 1.16; }
.coordination-banner p { margin: 0; color: rgba(255,255,255,.63); }

.materials-section { background: var(--green-900); color: var(--white); }
.materials-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 13px; margin-top: 56px; }
.material-card { min-height: 225px; padding: 25px; border: 1px solid rgba(255,255,255,.12); border-radius: 17px; background: rgba(255,255,255,.04); transition: transform .2s ease, background .2s ease; }
.material-card:hover { transform: translateY(-4px); background: rgba(255,255,255,.075); }
.material-card > span { width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid rgba(111,225,61,.42); border-radius: 12px; color: var(--green-400); font-size: .75rem; font-weight: 800; }
.material-card h3 { margin: 24px 0 7px; font-size: 1.02rem; }
.material-card p { margin: 0; color: rgba(255,255,255,.55); font-size: .79rem; }
.materials-cta { margin-top: 22px; padding: 25px 28px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-radius: 17px; background: var(--green-800); }
.materials-cta strong, .materials-cta span { display: block; }
.materials-cta span { margin-top: 3px; color: rgba(255,255,255,.58); font-size: .84rem; }

.heavy-section { padding: 85px 0; border-bottom: 1px solid var(--line); background: var(--white); }
.heavy-layout { display: grid; grid-template-columns: 130px 1fr 1fr; gap: 55px; align-items: center; }
.heavy-number { width: 110px; height: 110px; display: grid; place-items: center; border-radius: 28px; background: var(--green-400); color: var(--green-950); font-family: "Space Grotesk", sans-serif; font-size: 4rem; font-weight: 700; }
.heavy-layout h2 { font-size: clamp(2.1rem, 3.5vw, 3.55rem); }
.heavy-copy p { margin: 0 0 14px; color: var(--muted); }

.process-section { background: var(--soft); }
.process-list { display: grid; grid-template-columns: repeat(5, 1fr); margin: 60px 0 0; padding: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); list-style: none; }
.process-step { min-height: 280px; display: flex; flex-direction: column; justify-content: space-between; padding: 25px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.process-step > span { color: var(--green-500); font-size: .76rem; font-weight: 800; }
.process-step h3 { margin: 0 0 8px; font-size: 1.08rem; }
.process-step p { margin: 0; color: var(--muted); font-size: .8rem; }

.commercial-section { padding: 100px 0; background: var(--green-800); color: var(--white); }
.commercial-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: start; }
.commercial-copy p { margin: 0 0 16px; color: rgba(255,255,255,.67); }
.commercial-copy strong { display: block; margin-top: 24px; padding: 18px 20px; border-left: 3px solid var(--green-400); background: rgba(255,255,255,.06); }
.text-link { display: inline-flex; gap: 10px; margin-top: 25px; color: var(--green-300); font-weight: 800; }

.traceability-section { background: var(--paper); }
.traceability-layout { display: grid; grid-template-columns: 1fr .82fr; gap: 90px; align-items: center; }
.traceability-copy p { margin: 22px 0 0; color: var(--muted); }
.signature { color: var(--green-700) !important; font-weight: 800; font-style: italic; }
.traceability-steps { display: grid; gap: 10px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow); }
.traceability-steps span { padding: 18px 20px; border-radius: 12px; background: var(--soft); color: var(--green-900); font-size: .88rem; font-weight: 800; }
.traceability-steps span::before { content: "✓"; margin-right: 12px; color: var(--green-500); }

.faq-section { background: var(--soft); }
.faq-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 90px; align-items: start; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 23px 48px 23px 0; color: var(--green-900); font-weight: 800; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 5px; top: 20px; color: var(--green-500); font-size: 1.45rem; transition: transform .2s ease; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list p { margin: -5px 0 22px; padding-right: 45px; color: var(--muted); font-size: .9rem; }

.region-section { padding: 85px 0; background: var(--green-950); color: var(--white); }
.region-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.region-layout h2 { font-size: clamp(2.2rem, 4vw, 3.8rem); }
.region-layout p { margin: 0; color: rgba(255,255,255,.64); }
.region-points { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 25px; }
.region-points span { padding: 9px 12px; border: 1px solid rgba(255,255,255,.13); border-radius: 999px; color: rgba(255,255,255,.78); font-size: .72rem; font-weight: 700; }

.assessment-section { padding: 110px 0; background: var(--green-900); color: var(--white); }
.assessment-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 90px; align-items: start; }
.assessment-copy > p { margin: 24px 0 0; color: rgba(255,255,255,.64); }
.direct-contact { display: grid; gap: 11px; margin-top: 34px; }
.direct-contact a { padding: 16px 18px; border: 1px solid rgba(255,255,255,.12); border-radius: 12px; background: rgba(255,255,255,.04); }
.direct-contact span, .direct-contact strong { display: block; }
.direct-contact span { color: rgba(255,255,255,.44); font-size: .64rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.direct-contact strong { margin-top: 2px; font-size: .9rem; overflow-wrap: anywhere; }
.assessment-form { display: grid; gap: 17px; padding: 30px; border-radius: var(--radius-lg); background: var(--white); color: var(--ink); box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.assessment-form label { display: grid; gap: 7px; color: var(--green-900); font-size: .75rem; font-weight: 800; }
.assessment-form input, .assessment-form select, .assessment-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 10px; background: var(--soft); color: var(--ink); outline: none; }
.assessment-form input, .assessment-form select { height: 48px; padding: 0 13px; }
.assessment-form textarea { padding: 12px 13px; resize: vertical; }
.assessment-form input:focus, .assessment-form select:focus, .assessment-form textarea:focus { border-color: var(--green-500); box-shadow: 0 0 0 3px rgba(53,184,93,.12); }
.checkbox-label { display: flex !important; align-items: flex-start; gap: 10px !important; color: var(--muted) !important; font-weight: 600 !important; }
.checkbox-label input { width: 17px; height: 17px; margin-top: 2px; accent-color: var(--green-700); }
.form-note { margin: -5px 0 0; color: var(--muted); font-size: .7rem; text-align: center; }

.site-footer { background: #021812; color: var(--white); }
.footer-main { min-height: 170px; display: grid; grid-template-columns: 1.15fr .8fr 1fr; gap: 40px; align-items: center; }
.brand-footer .brand-mark { width: 44px; height: 44px; }
.footer-main > p { margin: 0; color: rgba(255,255,255,.54); font-size: .84rem; font-style: italic; }
.footer-links { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 18px; }
.footer-links a { color: rgba(255,255,255,.62); font-size: .77rem; font-weight: 700; }
.footer-bottom { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.08); color: rgba(255,255,255,.35); font-size: .69rem; }
.floating-whatsapp { position: fixed; right: 20px; bottom: 20px; z-index: 80; min-height: 52px; display: flex; align-items: center; gap: 8px; padding: 0 17px; border-radius: 999px; background: var(--green-400); color: var(--green-950); box-shadow: 0 18px 44px rgba(0,0,0,.25); font-size: .79rem; font-weight: 800; transition: transform .2s ease; }
.floating-whatsapp:hover { transform: translateY(-3px); }
.floating-whatsapp span { font-size: .6rem; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay { transition-delay: .12s; }

@media (max-width: 1060px) {
  .site-nav { gap: 16px; }
  .site-nav > a:not(.button) { display: none; }
  .hero-layout { grid-template-columns: 1fr .45fr; gap: 45px; }
  .materials-grid { grid-template-columns: repeat(2, 1fr); }
  .process-list { grid-template-columns: repeat(3, 1fr); }
  .heavy-layout { grid-template-columns: 105px 1fr 1fr; gap: 35px; }
  .heavy-number { width: 95px; height: 95px; }
}

@media (max-width: 820px) {
  .container { width: min(calc(100% - 30px), var(--container)); }
  .header-inner { min-height: 70px; }
  .brand-copy small { display: none; }
  .menu-toggle { display: block; z-index: 2; }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(4) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 70px 0 auto; display: none; padding: 22px 20px 28px; background: var(--green-950); border-top: 1px solid rgba(255,255,255,.1); box-shadow: 0 22px 40px rgba(0,0,0,.2); }
  .site-nav.open { display: grid; }
  .site-nav > a:not(.button) { display: block; padding: 7px 0; font-size: .96rem; }
  .site-nav .button { margin-top: 6px; }
  .hero { min-height: auto; }
  .hero-background { object-position: 68% center; }
  .hero-overlay { background: linear-gradient(90deg, rgba(3,31,24,.98), rgba(3,31,24,.78)), linear-gradient(0deg, rgba(3,31,24,.6), transparent); }
  .hero-layout { grid-template-columns: 1fr; gap: 42px; padding: 122px 0 64px; }
  .hero-panel { max-width: 500px; }
  .trust-items { grid-template-columns: repeat(2, 1fr); gap: 18px; padding: 24px 0; }
  .section { padding: 88px 0; }
  .problem-layout, .coordination-banner, .heavy-layout, .commercial-layout, .traceability-layout, .faq-layout, .region-layout, .assessment-layout { grid-template-columns: 1fr; gap: 45px; }
  .sticky-heading { position: static; }
  .heavy-number { display: none; }
  .solution-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; padding: 38px 0; }
  .footer-main > p { grid-column: 1 / -1; order: 3; }
}

@media (max-width: 560px) {
  .brand-mark { width: 43px; height: 43px; }
  .brand-copy strong { font-size: 1.02rem; }
  .hero h1 { font-size: clamp(2.7rem, 13.5vw, 4.1rem); }
  .hero-lead { font-size: .98rem; }
  .hero-actions { align-items: stretch; }
  .hero-actions .button { width: 100%; }
  .hero-proof { display: grid; }
  .trust-items { grid-template-columns: 1fr; }
  h2 { font-size: clamp(2.15rem, 11vw, 3.3rem); }
  .solution-card { min-height: 275px; }
  .materials-grid, .process-list, .form-row { grid-template-columns: 1fr; }
  .materials-cta { align-items: stretch; flex-direction: column; }
  .materials-cta .button { width: 100%; }
  .process-step { min-height: 220px; }
  .assessment-form { padding: 21px; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .footer-bottom { padding: 18px 0; flex-direction: column; align-items: flex-start; }
  .floating-whatsapp { right: 13px; bottom: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
