:root {
  --ink: #19302e;
  --pine: #23413d;
  --moss: #607a67;
  --leaf: #8ca07f;
  --clay: #bd7045;
  --sand: #e9e4d8;
  --paper: #f8f6f0;
  --white: #fffefa;
  --muted: #687572;
  --line: #d8d7cd;
  --container: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Trebuchet MS", Arial, sans-serif; line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
svg { display: block; }
.container { width: min(calc(100% - 64px), 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: 999; top: 10px; left: 10px; padding: 10px 16px; color: white; background: var(--pine); transform: translateY(-150%); }
.skip-link:focus { transform: none; }

.site-header { position: fixed; z-index: 100; inset: 0 0 auto; height: 90px; background: rgba(248,246,240,.94); border-bottom: 1px solid transparent; transition: height .25s, border .25s, box-shadow .25s; backdrop-filter: blur(14px); }
.site-header.scrolled { height: 72px; border-color: var(--line); box-shadow: 0 10px 35px rgba(25,48,46,.07); }
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--pine); text-decoration: none; font-size: 1.45rem; font-weight: 800; letter-spacing: .18em; }
.brand-mark { width: 34px; padding: 7px; background: var(--clay); border-radius: 50%; }
.brand-mark svg { fill: none; stroke: white; stroke-width: 2.4; }
.main-nav { display: flex; align-items: center; gap: 31px; }
.main-nav a { position: relative; color: #40514e; text-decoration: none; font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .075em; }
.main-nav a:not(.nav-cta)::after { content: ""; position: absolute; inset: auto 50% -9px; width: 5px; height: 5px; background: var(--clay); border-radius: 50%; opacity: 0; transform: translateX(-50%); }
.main-nav a:hover::after, .main-nav a.active::after { opacity: 1; }
.nav-cta { padding: 11px 17px; color: white !important; background: var(--pine); border-radius: 30px; }
.menu-toggle { display: none; padding: 8px; color: var(--pine); background: none; border: 0; }
.menu-toggle > span:not(.sr-only) { display: block; width: 26px; height: 2px; margin: 5px; background: currentColor; transition: .25s; }

.hero { position: relative; min-height: 760px; height: 100vh; max-height: 960px; display: grid; align-items: center; overflow: hidden; background: var(--paper); }
.hero::before { content: "ATRA"; position: absolute; left: -20px; bottom: -110px; color: transparent; font: 900 clamp(12rem, 27vw, 30rem)/1 Arial, sans-serif; letter-spacing: -.1em; -webkit-text-stroke: 1px rgba(35,65,61,.07); }
.hero-pattern { position: absolute; inset: 90px auto 0 51%; width: 1px; background: var(--line); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 70px; padding-top: 90px; }
.eyebrow { margin: 0 0 20px; color: var(--clay); font-size: .7rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { margin-bottom: 24px; font-family: "Arial Narrow", "Trebuchet MS", sans-serif; font-weight: 700; letter-spacing: -.055em; line-height: .98; }
h1 { max-width: 700px; font-size: clamp(3.8rem, 6.2vw, 6.6rem); }
h1 em { display: inline-block; color: var(--moss); font-style: normal; font-weight: 400; }
.hero-lead { max-width: 540px; padding-left: 18px; color: var(--pine); border-left: 3px solid var(--clay); font-size: 1.08rem; font-weight: 700; }
.hero-copy { max-width: 630px; margin-bottom: 10px; color: var(--muted); font-size: .94rem; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 30px; }
.button { display: inline-flex; padding: 14px 22px; text-decoration: none; font-size: .8rem; font-weight: 800; letter-spacing: .04em; border-radius: 40px; }
.button-primary { color: white; background: var(--clay); box-shadow: 0 12px 30px rgba(189,112,69,.22); transition: transform .2s; }
.button-primary:hover { transform: translateY(-3px); }
.text-link { color: var(--pine); text-underline-offset: 5px; font-size: .85rem; }
.text-link span { display: inline-block; margin-left: 6px; transition: transform .2s; }
.text-link:hover span { transform: translateX(4px); }
.hero-visual { position: relative; max-width: 500px; margin: auto; }
.hero-visual svg { width: 100%; }
.visual-badge { position: absolute; right: -15px; bottom: 75px; display: flex; align-items: center; gap: 13px; padding: 15px 20px; color: white; background: var(--pine); border-radius: 50px 0 0 50px; box-shadow: 0 15px 40px rgba(25,48,46,.2); }
.visual-badge strong { display: grid; width: 39px; height: 39px; place-items: center; border: 1px solid rgba(255,255,255,.5); border-radius: 50%; font-size: 1.25rem; }
.visual-badge span { font-size: .65rem; line-height: 1.45; text-transform: uppercase; letter-spacing: .1em; }
.scroll-cue { position: absolute; bottom: 25px; left: 50%; width: 1px; height: 48px; background: var(--line); }
.scroll-cue span { display: block; width: 5px; height: 5px; margin-left: -2px; background: var(--clay); border-radius: 50%; animation: scroll 1.8s infinite; }
@keyframes scroll { from { transform: translateY(0); opacity: 1; } to { transform: translateY(43px); opacity: 0; } }

.section { padding: 125px 0; }
.two-column { display: grid; grid-template-columns: .7fr 1.3fr; gap: 120px; }
.section-heading h2 { color: var(--pine); font-size: clamp(3rem, 5vw, 5rem); }
.section-heading > p:last-child { max-width: 520px; color: var(--muted); }
.heading-line { width: 110px; height: 8px; background: linear-gradient(90deg, var(--clay) 45%, transparent 45% 55%, var(--leaf) 55%); }
.company { position: relative; background: var(--white); }
.company::after { content: ""; position: absolute; top: 0; right: 8%; width: 180px; height: 15px; background: var(--clay); }
.large-copy { color: var(--pine); font-size: 1.48rem; font-weight: 500; line-height: 1.5; }
.company-copy > p:not(.large-copy) { color: var(--muted); }
.values { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 38px; border-top: 1px solid var(--line); }
.values span { position: relative; padding: 17px 4px 0 16px; color: var(--pine); font-size: .72rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.values span::before { content: ""; position: absolute; top: -4px; left: 0; width: 7px; height: 7px; background: var(--clay); border-radius: 50%; }

.activities { background: var(--sand); }
.section-heading.centered { margin: 0 0 55px; text-align: left; }
.section-heading.centered > p:last-child { margin: 0; }
.activity-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.activity-card { position: relative; display: grid; grid-template-columns: 70px 1fr; padding: 36px 38px; overflow: hidden; background: var(--white); border-radius: 2px; transition: transform .25s, box-shadow .25s; }
.activity-card:hover { transform: translateY(-5px); box-shadow: 0 22px 50px rgba(25,48,46,.11); }
.activity-card::after { content: ""; position: absolute; right: -30px; bottom: -30px; width: 90px; height: 90px; border: 18px solid rgba(140,160,127,.1); border-radius: 50%; }
.card-number { position: absolute; top: 16px; right: 20px; color: #c7c5bb; font: 700 2rem Arial, sans-serif; }
.card-icon { grid-row: 1 / 3; width: 46px; height: 46px; color: var(--clay); }
.card-icon svg { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.activity-card h3 { margin-bottom: 14px; color: var(--pine); font-size: 1.25rem; }
.activity-card ul { display: flex; flex-wrap: wrap; gap: 7px 15px; margin: 0; padding: 0; list-style: none; }
.activity-card li { position: relative; padding-left: 11px; color: var(--muted); font-size: .8rem; }
.activity-card li::before { content: ""; position: absolute; top: .72em; left: 0; width: 4px; height: 4px; background: var(--leaf); border-radius: 50%; }

.corporate { position: relative; color: var(--ink); background: var(--white); }
.corporate::before { content: ""; position: absolute; inset: 0 50% 0 0; background: var(--pine); }
.corporate .container { position: relative; }
.section-heading.light { width: 50%; margin-bottom: 48px; padding-right: 55px; }
.section-heading.light h2 { color: white; }
.section-heading.light .eyebrow { color: #e7a878; }
.corporate-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; box-shadow: 0 22px 60px rgba(25,48,46,.13); }
.info-block { padding: 37px 40px; background: var(--paper); border-bottom: 1px solid var(--line); }
.info-block:nth-child(odd) { color: white; background: var(--pine); border-color: rgba(255,255,255,.12); }
.info-block h3 { margin-bottom: 23px; color: var(--clay); font-size: 1.2rem; }
.info-block .subheading { margin-top: 30px; padding-top: 25px; border-top: 1px solid currentColor; border-color: inherit; }
.info-block dl { margin: 0; }
.info-block dl > div { display: grid; grid-template-columns: minmax(150px,.8fr) 1.2fr; gap: 20px; padding: 8px 0; border-bottom: 1px solid rgba(104,117,114,.18); }
.info-block:nth-child(odd) dl > div { border-color: rgba(255,255,255,.1); }
.info-block dt { color: var(--muted); font-size: .68rem; text-transform: uppercase; letter-spacing: .05em; }
.info-block:nth-child(odd) dt { color: rgba(255,255,255,.55); }
.info-block dd { margin: 0; font-size: .84rem; }
.info-note { margin: 15px 0 0; color: var(--muted); font-size: .8rem; }
.info-block:nth-child(odd) .info-note { color: rgba(255,255,255,.58); }
.legal-note { margin: 28px 0 0; color: var(--muted); font-size: .76rem; text-align: right; }

.contact { background: var(--sand); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: center; }
.contact-card { position: relative; padding: 45px; background: var(--white); box-shadow: 14px 14px 0 var(--leaf); }
.contact-card::before { content: ""; position: absolute; top: -18px; right: 30px; width: 55px; height: 55px; background: var(--clay); border-radius: 50%; }
.contact-company { margin-bottom: 25px; color: var(--pine); font-weight: 800; }
.contact-card address { display: grid; gap: 7px; font-style: normal; }
.contact-card address a { display: flex; align-items: center; gap: 15px; padding: 8px 0; color: var(--muted); text-decoration: none; }
.contact-card address a:hover { color: var(--clay); }
.contact-icon { display: grid; flex: 0 0 35px; height: 35px; place-items: center; color: var(--clay); border: 1px solid var(--line); border-radius: 50%; font-weight: 800; }

.site-footer { padding: 44px 0 20px; color: rgba(255,255,255,.62); background: #132927; font-size: .73rem; }
.footer-top { display: grid; grid-template-columns: auto 1fr auto; gap: 35px; align-items: center; padding-bottom: 29px; }
.brand-footer { color: white; font-size: 1rem; }
.footer-top p { margin: 0; text-align: center; }
.footer-top p span { margin: 0 5px; color: rgba(255,255,255,.2); }
.footer-top > a:last-child { color: #e7a878; text-underline-offset: 4px; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.1); }
.footer-bottom p { margin: 0; }
.footer-bottom a { text-decoration: none; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s, transform .7s; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .menu-toggle { display: block; z-index: 2; cursor: pointer; }
  .menu-toggle[aria-expanded="true"] { color: white; }
  .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); }
  .main-nav { position: fixed; inset: 0; display: grid; place-content: center; gap: 25px; text-align: center; background: var(--pine); transform: translateX(100%); transition: transform .3s; }
  .main-nav.open { transform: none; }
  .main-nav a { color: white; font-size: 1.1rem; }
  .nav-cta { color: var(--pine) !important; background: var(--sand); }
  .hero { min-height: 750px; height: auto; padding: 135px 0 80px; }
  .hero-grid { grid-template-columns: 1.1fr .9fr; gap: 25px; padding-top: 0; }
  .two-column { gap: 65px; }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 34px), var(--container)); }
  .site-header, .site-header.scrolled { height: 70px; }
  .hero { padding: 120px 0 75px; }
  .hero-grid, .two-column, .contact-grid { grid-template-columns: 1fr; }
  .hero-pattern { display: none; }
  h1 { font-size: clamp(3.3rem, 14vw, 5rem); }
  .hero-visual { width: 76%; margin-top: -30px; }
  .visual-badge, .scroll-cue { display: none; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 19px; }
  .section { padding: 85px 0; }
  .two-column, .contact-grid { gap: 38px; }
  .values { grid-template-columns: 1fr 1fr; gap: 15px 0; }
  .activity-grid, .corporate-grid { grid-template-columns: 1fr; }
  .activity-card { grid-template-columns: 58px 1fr; padding: 30px 23px; }
  .corporate::before { inset: 0 0 auto; height: 245px; }
  .section-heading.light { width: 100%; padding: 0; }
  .info-block, .info-block:nth-child(odd) { padding: 28px 22px; color: var(--ink); background: var(--paper); }
  .info-block:nth-child(odd) dt { color: var(--muted); }
  .info-block:nth-child(odd) dl > div { border-color: rgba(104,117,114,.18); }
  .info-block dl > div { grid-template-columns: 1fr; gap: 2px; }
  .info-block:nth-child(odd) .info-note { color: var(--muted); }
  .contact-card { padding: 32px 23px; box-shadow: 8px 8px 0 var(--leaf); }
  .footer-top { grid-template-columns: 1fr; gap: 18px; text-align: center; }
  .footer-top p { line-height: 1.9; }
  .footer-bottom { align-items: center; flex-direction: column; gap: 10px; text-align: center; }
}

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