/* GFC Contabilidade e Agronegócio
   Conceito: talhões que viram pauta de livro-razão. Versão sóbria: branco, azul corporativo e verde. Newsreader + IBM Plex. */
@font-face { font-family: 'Newsreader'; src: url(../fonts/newsreader.woff2) format('woff2'); font-weight: 300 600; font-style: normal; font-display: swap; }
@font-face { font-family: 'Newsreader'; src: url(../fonts/newsreader-italic.woff2) format('woff2'); font-weight: 300 600; font-style: italic; font-display: swap; }
@font-face { font-family: 'IBM Plex Sans'; src: url(../fonts/plex-sans.woff2) format('woff2'); font-weight: 300 600; font-style: normal; font-display: swap; }
@font-face { font-family: 'IBM Plex Mono'; src: url(../fonts/plex-mono.woff2) format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }

:root {
  --paper: #f4f6f3;
  --paper-2: #e9eee8;
  --white: #ffffff;
  --ink: #14304f;
  --ink-2: #485a6e;
  --acc: #3e6a45;
  --acc-d: #2f5336;
  --sage: #8fa382;
  --line: rgba(20, 48, 79, .15);
  --serif: 'Newsreader', Georgia, serif;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --gut: clamp(1.25rem, 5vw, 4rem);
  --ease: cubic-bezier(.2, .7, .2, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 5rem; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1.0625rem/1.65 var(--sans); overflow-x: clip; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p, figure, blockquote { margin: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 100; background: var(--ink); color: #fff; padding: .6rem 1rem; border-radius: .25rem; }
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 2px solid var(--acc-d); outline-offset: 3px; border-radius: 2px; }
.ico { width: 1.25em; height: 1.25em; fill: currentColor; flex: none; }
.wrap { width: min(74rem, 100% - var(--gut) * 2); margin-inline: auto; }

/* ---------- tipografia ---------- */
.h2, .hero-title, .hero-big { font-family: var(--serif); font-weight: 400; letter-spacing: -.02em; line-height: 1.04; }
.h2 { font-size: clamp(2.3rem, 5.2vw, 4.3rem); max-width: 18ch; }
.h2-md { font-size: clamp(2rem, 4vw, 3.2rem); }
.h2 em, .hero-big em, .hero-title em { font-style: normal; color: var(--acc-d); }
.kicker, .eyebrow { font-family: var(--mono); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--acc-d); margin-bottom: 1.1rem; }
.lede { font-size: clamp(1.1rem, 1.6vw, 1.28rem); color: var(--ink-2); max-width: 38rem; margin-top: 1.25rem; }
.section { padding-block: clamp(5rem, 11vw, 9rem); position: relative; }
.inline-link { color: var(--acc-d); text-underline-offset: 3px; }

/* ---------- botões ---------- */
.btn { color: #fff; display: inline-flex; align-items: center; gap: .6rem; padding: .95rem 1.6rem; border-radius: .35rem; background: var(--ink); color: var(--paper); font-weight: 500; text-decoration: none; border: 1px solid var(--ink); transition: background .3s, color .3s, box-shadow .3s, transform .3s var(--ease); }
.btn:hover { background: var(--acc-d); border-color: var(--acc-d); box-shadow: 0 12px 28px -12px rgba(47, 83, 54, .55); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--white); color: var(--ink); border-color: var(--ink); box-shadow: none; }
.btn-sm { padding: .55rem 1.1rem; font-size: .95rem; }
.btn-lg { padding: 1.15rem 2.1rem; font-size: 1.1rem; margin-top: 2rem; }

/* ---------- topo ---------- */
.site-header { position: fixed; inset: 0 0 auto; z-index: 50; display: flex; align-items: center; gap: 1.5rem; padding: .8rem var(--gut); transition: background .4s, backdrop-filter .4s, box-shadow .4s; }
.site-header.is-scrolled { background: rgba(244, 246, 243, .86); backdrop-filter: blur(16px) saturate(1.3); box-shadow: 0 1px 0 var(--line); }
.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; margin-right: auto; }
.brand-mark { font-family: var(--serif); font-weight: 500; font-size: 1.6rem; letter-spacing: .04em; line-height: 1; color: var(--paper); background: var(--ink); padding: .4rem .55rem .35rem; border-radius: .2rem; }
.brand-id { display: flex; flex-direction: column; align-items: center; gap: .3rem; }
.flags { display: inline-flex; gap: .2rem; }
.flags svg { display: block; border-radius: 1px; box-shadow: 0 0 0 1px rgba(0,0,0,.15); }
.site-footer .flags { margin-top: .5rem; }
.brand-name { font-family: var(--serif); font-size: 1.05rem; line-height: 1.15; display: flex; flex-direction: column; max-width: 15rem; }
.brand-name strong { font-weight: 700; }
.brand-name small { font-family: var(--mono); font-size: .6rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-2); margin-top: .3rem; }
.nav { display: none; gap: 1.4rem; font-size: .93rem; }
.nav a { text-decoration: none; position: relative; padding-block: .3rem; }
.nav a::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--acc); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease); }
.nav a:hover::after { transform: scaleX(1); }
.nav-cta { display: none; }
.menu-toggle { background: none; border: 0; color: inherit; padding: .5rem; font-size: 1.5rem; cursor: pointer; display: grid; }
.menu { position: absolute; inset: 100% var(--gut) auto; background: var(--white); border-radius: .5rem; box-shadow: 0 20px 50px -20px rgba(20, 48, 79, .4); padding: .75rem; display: grid; border: 1px solid var(--line); }
.menu[hidden] { display: none; }
.menu a { padding: .9rem 1rem; text-decoration: none; border-radius: .25rem; font-size: 1.1rem; }
.menu a:hover { background: var(--paper); }
@media (min-width: 1200px) { .nav, .nav-cta { display: flex; } .menu-toggle, .menu { display: none; } }

/* ---------- hero ---------- */
.hero { position: relative; }
.hero-stage { position: relative; min-height: 100svh; overflow: hidden; display: grid; align-items: end; padding: 7rem var(--gut) 3.5rem; }
.hero-media, .hero-poster, .hero-media canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-poster { object-fit: cover; object-position: 70% 50%; }
.hero-media canvas { opacity: 0; transition: opacity 1.4s; }
.hero.is-3d .hero-media canvas { opacity: 1; }
.hero.is-3d .hero-poster { opacity: 0; transition: opacity 1.4s .2s; }
.hero-copy { position: relative; z-index: 2; max-width: 40rem; }
.hero-title { font-size: clamp(2.7rem, min(7vw, 12vh), 5.8rem); }
.hero-lead { font-size: clamp(1.05rem, 1.5vw, 1.22rem); color: var(--ink-2); margin-top: 1.5rem; max-width: 31rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.hero-big { font-size: clamp(3rem, 9vw, 8rem); }
.hero-big-sm { font-size: clamp(2.4rem, 6vw, 5.2rem); }
.hero-small { color: var(--ink); font-size: 1.15rem; margin-top: 1rem; }
.hero-hint, .hero-bar, .hero-b, .hero-c { display: none; }
.hero-hint { position: absolute; z-index: 2; left: var(--gut); bottom: 1.2rem; font-family: var(--mono); font-size: .76rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-2); align-items: center; gap: .5rem; }
.hero-bar { position: absolute; z-index: 3; left: 0; right: 0; bottom: 0; height: 3px; background: rgba(20, 48, 79, .08); }
.hero-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--sage), var(--acc)); transform-origin: left; transform: scaleX(0); }
@media (max-width: 767px) {
  .hero-stage { padding-bottom: 2rem; }
  .hero-a::before { content: ''; position: absolute; inset: -5rem -1.25rem -2rem; background: linear-gradient(to bottom, transparent, rgba(244, 246, 243, .94) 38%); z-index: -1; }
}
@media (min-width: 768px) { .hero-stage { align-items: center; } .hero-poster { object-position: center; } }

/* com animação: o hero vira palco fixo e a rolagem conduz */
.anim .hero { height: 380vh; }
.anim .hero-stage { position: sticky; top: 0; height: 100svh; min-height: 0; }
.anim .hero-copy { position: absolute; left: var(--gut); right: var(--gut); max-width: none; }
.anim .hero-a { max-width: 40rem; bottom: 3.5rem; }
@media (min-width: 768px) { .anim .hero-a { top: 6.5rem; bottom: 2.5rem; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; } }
.anim .hero-b, .anim .hero-c { display: block; bottom: 5.5rem; text-align: center; visibility: hidden; }
.anim .hero-c .btn { margin-top: 1.5rem; }
.anim .hero-hint { display: flex; }
.anim .hero-bar { display: block; }
.anim .hero-title { visibility: hidden; }
html:not(.anim) .hero-b, html:not(.anim) .hero-c { display: none; }

/* ---------- escritório ---------- */
.about { background: var(--white); }
.about-grid { display: grid; gap: 2.5rem; }
.about-text p:not(.lede) { margin-top: 1.25rem; color: var(--ink-2); max-width: 38rem; }
.about-text .lede { margin-top: 0; }
.stats { display: flex; flex-wrap: wrap; gap: 1.5rem 2.5rem; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.stats li { display: grid; }
.stats strong { font-family: var(--serif); font-weight: 400; font-size: 2.8rem; line-height: 1; color: var(--acc-d); }
.stats li > span { font-family: var(--mono); font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); margin-top: .35rem; }
@media (min-width: 900px) { .about-grid { grid-template-columns: 5fr 6fr; gap: 6rem; } }

/* ---------- serviços: grade de cartões ---------- */
.svc { background: var(--paper); }
.svc-grid { display: grid; gap: 1px; margin-top: 3.5rem; background: var(--line); border: 1px solid var(--line); }
.card { background: var(--white); padding: 2rem 1.75rem 2.2rem; display: flex; flex-direction: column; gap: .8rem; transition: background .3s, box-shadow .4s var(--ease), transform .4s var(--ease); position: relative; }
.card:hover { background: #fff; box-shadow: 0 24px 40px -28px rgba(20, 48, 79, .5); transform: translateY(-3px); z-index: 1; }
.card::before { content: ''; position: absolute; left: 0; top: 0; height: 3px; width: 0; background: var(--acc); transition: width .5s var(--ease); }
.card:hover::before { width: 100%; }
.card-i { font-size: 2.1rem; color: var(--acc-d); }
.card h3 { font-family: var(--serif); font-weight: 500; font-size: 1.45rem; line-height: 1.2; letter-spacing: -.01em; }
.card p { color: var(--ink-2); font-size: .98rem; }
.card-agro { background: var(--paper-2); }
@media (min-width: 640px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .svc-grid { grid-template-columns: repeat(4, 1fr); } }

/* ---------- agronegócio ---------- */
.agro { background: var(--ink); color: var(--paper); overflow: hidden; }
.agro .kicker { color: var(--sage); }
.agro .h2 em { color: var(--sage); }
.agro .lede { color: rgba(244, 246, 243, .78); }
.agro::before { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient(to bottom, transparent 0 3.2rem, rgba(143, 163, 130, .08) 3.2rem calc(3.2rem + 1px)); pointer-events: none; }
.agro-grid { display: grid; gap: 3.5rem; position: relative; }
.agro-list { display: grid; gap: 0; align-self: center; }
.agro-list li { display: flex; gap: 1rem; padding-block: 1.5rem; border-top: 1px solid rgba(244, 246, 243, .2); }
.agro-list li:last-child { border-bottom: 1px solid rgba(244, 246, 243, .2); }
.agro-list .ico { font-size: 1.7rem; color: var(--sage); margin-top: .15rem; }
.agro-list b { display: block; font-family: var(--serif); font-weight: 400; font-size: 1.5rem; line-height: 1.2; margin-bottom: .25rem; }
.agro-list span { color: rgba(244, 246, 243, .74); }
@media (min-width: 960px) { .agro-grid { grid-template-columns: 5fr 6fr; column-gap: 6rem; } }

/* ---------- como atendemos ---------- */
.method { background: var(--paper-2); }
.method-cols { display: grid; gap: 2.5rem; margin-top: 3.5rem; }
.method-cols li { border-top: 2px solid var(--ink); padding-top: 1.4rem; }
.m-n { font-family: var(--mono); font-size: .95rem; color: var(--acc-d); }
.method-cols h3 { font-family: var(--serif); font-weight: 400; font-size: 1.9rem; line-height: 1.15; margin-top: .6rem; }
.method-cols p { color: var(--ink-2); margin-top: .7rem; max-width: 28rem; }
.values { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 3.5rem; }
.values li { font-family: var(--mono); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; padding: .55rem 1rem; border: 1px solid var(--ink); border-radius: 999px; }
@media (min-width: 900px) { .method-cols { grid-template-columns: repeat(3, 1fr); gap: 3rem; } }

/* ---------- sustentabilidade ---------- */
.eco { background: var(--white); padding-block: clamp(4rem, 8vw, 6.5rem); }
.eco-grid { display: grid; gap: 2rem; align-items: start; }
.eco .lede { margin-top: 0; }
.eco-card { display: flex; gap: 1.25rem; align-items: flex-start; margin-top: 2rem; padding: 1.75rem; background: var(--paper); border: 1px solid var(--line); border-left: 3px solid var(--acc); }
.eco-card > .ico { font-size: 2.2rem; color: var(--acc-d); margin-top: .2rem; }
.eco-card h3 { font-family: var(--serif); font-weight: 500; font-size: 1.5rem; }
.eco-card p { color: var(--ink-2); margin: .5rem 0 1.25rem; }
@media (min-width: 900px) { .eco-grid { grid-template-columns: 6fr 5fr; gap: 6rem; } }

/* ---------- links úteis ---------- */
.links { background: var(--paper); }
.links-grid { display: grid; gap: 2.5rem 3rem; margin-top: 3rem; }
.links-grid h3 { font-family: var(--mono); font-weight: 400; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--acc-d); padding-bottom: .8rem; border-bottom: 2px solid var(--ink); }
.links-grid li { border-bottom: 1px solid var(--line); }
.links-grid a { display: block; padding: .8rem 0; text-decoration: none; transition: color .3s, padding .3s var(--ease); }
.links-grid a:hover { color: var(--acc-d); padding-left: .5rem; }
@media (min-width: 640px) { .links-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .links-grid { grid-template-columns: repeat(4, 1fr); } }

/* ---------- contato ---------- */
.contact { background: linear-gradient(165deg, var(--paper), var(--paper-2)); }
.contact-grid { display: grid; gap: 3rem; align-items: center; }
.contact-list { display: grid; gap: 1.2rem; background: var(--white); padding: 2rem; border-radius: .5rem; border: 1px solid var(--line); box-shadow: 0 40px 70px -50px rgba(20, 48, 79, .55); }
.contact-list li { display: flex; gap: 1rem; align-items: flex-start; }
.contact-list .ico { color: var(--acc-d); font-size: 1.5rem; margin-top: .15rem; }
.contact-list a { text-underline-offset: 3px; overflow-wrap: anywhere; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1fr; gap: 6rem; } }

/* ---------- rodapé ---------- */
.site-footer { background: var(--ink); color: rgba(244, 246, 243, .78); padding-block: 3rem; font-size: .9rem; }
.footer-grid { display: grid; gap: 1rem; }
.brand-line { font-family: var(--serif); font-size: 1.8rem; color: var(--paper); }
.brand-line small { font-family: var(--mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; margin-left: .6rem; }
.legal { max-width: 46rem; }
.wa-float { position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 40; width: 3.6rem; height: 3.6rem; border-radius: 50%; background: var(--acc-d); color: #fff; display: grid; place-items: center; font-size: 1.8rem; box-shadow: 0 14px 30px -10px rgba(47, 83, 54, .6); transition: transform .4s var(--ease), opacity .4s; }
.wa-float:hover { transform: scale(1.08); }
.wa-float.is-hidden { opacity: 0; pointer-events: none; transform: scale(.8); }

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