/* ES "Nepis Gol" — styling follows the company profile (V3 Modern) */
:root {
  --green: #3E9A72;      /* accent green (numbers, markers) */
  --green-d: #2E7A58;    /* buttons */
  --deep: #233630;       /* dark panels */
  --ink: #1F2D27;
  --text: #3a4440;
  --muted: #66716b;
  --bg: #F4F6F3;
  --card: #ffffff;
  --line: #dde3df;
  --gold: #E8B020;
  --head: "PT Serif", Georgia, serif;
  --body: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; font: 16px/1.65 var(--body); color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--head); color: var(--ink); line-height: 1.15; margin: 0 0 .5em; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); margin: 0; }
h3 { font-size: 1.2rem; }
h4 { font: 700 .74rem var(--body); letter-spacing: .14em; text-transform: uppercase; color: var(--green); margin: 22px 0 8px; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

.ornament { height: 26px; background: url(img/ornament.png) repeat-x left center / auto 22px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(244,246,243,.95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo { width: 40px; height: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text b { font: 700 1.2rem var(--body); color: var(--ink); letter-spacing: .08em; }
.brand-text small { font-size: .66rem; color: var(--muted); text-transform: uppercase; letter-spacing: .14em; margin-top: 4px; }
.links { display: flex; gap: 26px; }
.links a { text-decoration: none; font-weight: 600; font-size: .94rem; }
.links a:hover { color: var(--green); }
.nav-tools { display: flex; align-items: center; gap: 10px; }
.lang { border: 1.5px solid var(--ink); background: none; font: 700 .82rem var(--body); padding: 6px 10px; border-radius: 6px; cursor: pointer; color: var(--ink); }
.lang:hover { background: var(--ink); color: #fff; }
.burger { display: none; width: 40px; height: 40px; border: 0; background: none; cursor: pointer; padding: 8px; }
.burger span { display: block; height: 2px; background: var(--ink); margin: 5px 0; }

/* Hero */
.hero { padding: clamp(48px, 7vw, 90px) 0; }
.hero-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; align-items: center; }
.eyebrow { font: 700 .78rem var(--body); text-transform: uppercase; letter-spacing: .2em; color: var(--green); margin: 0 0 16px; }
.hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); }
.lead { font-size: clamp(1rem, 1.5vw, 1.12rem); max-width: 600px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn { display: inline-block; text-decoration: none; font: 700 .95rem var(--body); padding: 13px 24px; border-radius: 8px; border: 2px solid transparent; cursor: pointer; }
.btn.primary { background: var(--green-d); color: #fff; }
.btn.primary:hover { background: #24614a; }
.btn.ghost { border-color: var(--ink); color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: #fff; }
.hero-art { background: var(--deep); border-radius: 220px 220px 16px 16px; aspect-ratio: 4 / 4.4; display: grid; place-items: center; padding: 40px; position: relative; overflow: hidden; }
.hero-art::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 50% at 50% 45%, rgba(72,176,136,.35), transparent 70%); }
.hero-emblem { position: relative; width: 78%; height: auto; filter: brightness(0) invert(1) drop-shadow(0 10px 30px rgba(0,0,0,.25)); opacity: .95; }

/* Sections */
.section { padding: clamp(60px, 8vw, 100px) 0; }
.section.alt { background: #EAEFEB; }
.section.dark { background: var(--deep); color: #c6d3cb; }
.section.dark h2, .section.dark h3 { color: #fff; }
.head { display: flex; align-items: baseline; gap: 18px; padding-bottom: 18px; border-bottom: 1.5px solid #9aa5a0; margin-bottom: 30px; }
.dark .head { border-color: rgba(255,255,255,.25); }
.num { font: 700 clamp(2.6rem, 5vw, 3.6rem) var(--head); color: var(--green); line-height: 1; }
.intro { max-width: 900px; font-size: 1.05rem; margin: 0 0 26px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; }

.about { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: start; }
.big { font-size: 1.12rem; color: var(--ink); margin-top: 0; }
.facts { list-style: none; padding: 0; margin: 26px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.facts li { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.facts b { display: block; font: 700 2.1rem var(--head); color: var(--green); line-height: 1.1; }
.facts span { font-size: .88rem; font-weight: 600; color: var(--ink); }
.mission { padding: 28px; }
.mission p { margin: 0 0 18px; }
.mission p:last-child { margin: 0; }

.partners { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.partner { padding: 24px; border-top: 4px solid var(--green); }
.partner h3 { margin-bottom: .3em; }
.partner p { margin: 0; color: var(--muted); }
.sub-h { margin: 38px 0 16px; padding-left: 20px; position: relative; }
.sub-h::before { content: ""; position: absolute; left: 0; top: .35em; width: 10px; height: 10px; background: var(--green); transform: rotate(45deg); }
.sub-h.light { margin-top: 0; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.steps li { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; font-weight: 700; color: var(--ink); font-size: .92rem; line-height: 1.35; }
.steps b { display: block; font: 700 1.6rem var(--head); color: var(--green); margin-bottom: 6px; }
.models { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 22px; }
.models p { margin: 0; padding-left: 22px; position: relative; }
.models p::before { content: ""; position: absolute; left: 0; top: .5em; width: 9px; height: 9px; background: var(--ink); transform: rotate(45deg); }
.models b { color: var(--ink); }

/* Services */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.tabs button { font: 700 .95rem var(--body); padding: 10px 20px; border-radius: 999px; border: 1.5px solid var(--green); background: transparent; color: var(--green-d); cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--green-d); border-color: var(--green-d); color: #fff; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 14px; align-items: start; }
.svc { overflow: hidden; }
.svc-head { display: flex; align-items: center; gap: 14px; width: 100%; text-align: left; background: none; border: 0; padding: 18px 20px; cursor: pointer; font: inherit; color: inherit; }
.svc-num { flex: none; width: 44px; height: 44px; display: grid; place-items: center; background: var(--green); color: #fff; font: 700 1rem var(--head); border-radius: 50%; }
.svc-title { flex: 1; }
.svc-title h3 { margin: 0; font-size: 1.08rem; }
.svc-title small { color: var(--muted); font-size: .82rem; }
.chev { width: 20px; height: 20px; transition: transform .2s; color: var(--green); flex: none; }
.svc.open .chev { transform: rotate(180deg); }
.svc-list { display: none; margin: 0; padding: 6px 22px 20px 40px; border-top: 1px solid var(--line); list-style: none; }
.svc.open .svc-list { display: block; }
.svc-list li { padding: 5px 0 5px 4px; font-size: .94rem; position: relative; }
.svc-list li::before { content: ""; position: absolute; left: -16px; top: .85em; width: 7px; height: 7px; background: var(--green); transform: rotate(45deg); }

/* HSE */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 40px; }
.pillars div { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 16px; padding: 20px; }
.pillars h3 { color: #6fd1a6 !important; margin-bottom: .3em; }
.pillars p { margin: 0; font-size: .92rem; }
.hse-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ticks li { padding: 14px 14px 14px 44px; background: rgba(255,255,255,.06); border-radius: 12px; position: relative; color: #eef3f0; font-weight: 600; font-size: .92rem; }
.ticks li::before { content: ""; position: absolute; left: 16px; top: 50%; width: 12px; height: 7px; border: solid #6fd1a6; border-width: 0 0 2.5px 2.5px; transform: translateY(-70%) rotate(-45deg); }
.goal { padding: 28px; color: var(--text); }
.goal h3 { color: var(--ink) !important; font-size: 1.4rem; }
.goal p { margin: 0; }
.dots { margin: 0; padding-left: 20px; }
.dots li { margin: 4px 0; }
.dots li::marker { color: var(--green); }
.iso { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.iso span { border: 1.5px dashed #a9b6af; border-radius: 10px; padding: 12px 6px; text-align: center; font: 700 1rem var(--head); color: var(--ink); }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; }
.contact-list { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 14px; }
.contact-list li { display: flex; align-items: center; gap: 12px; font-weight: 600; }
.contact-list svg { width: 22px; height: 22px; color: var(--green); flex: none; }
.contact-list a { text-decoration: none; }
.contact-list a:hover { color: var(--green); }
.form { display: grid; gap: 14px; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 28px; }
.form label { display: grid; gap: 6px; font-size: .86rem; font-weight: 700; color: var(--ink); }
.form input, .form textarea { font: inherit; padding: 11px 12px; border: 1px solid #cdd5d0; border-radius: 8px; background: #fff; width: 100%; }
.form input:focus, .form textarea:focus { outline: 2px solid var(--green); border-color: transparent; }
.form .btn { justify-self: start; }
.note { margin: 0; font-size: .8rem; color: var(--muted); }

.footer { background: var(--deep); color: #9fb0a6; font-size: .9rem; }
.foot { display: flex; justify-content: space-between; padding: 22px 20px; flex-wrap: wrap; gap: 10px; }
.foot a { text-decoration: none; color: #fff; }

@media (max-width: 960px) {
  .links { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--bg); flex-direction: column; gap: 0; border-bottom: 1px solid var(--line); }
  .links.show { display: flex; }
  .links a { padding: 14px 20px; border-top: 1px solid var(--line); }
  .burger { display: block; }
  .about, .contact, .hero-grid, .hse-grid, .models { grid-template-columns: 1fr; gap: 24px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .hero-art { max-width: 300px; aspect-ratio: auto; padding: 30px; order: -1; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .grid { grid-template-columns: 1fr; }
  .facts, .pillars, .ticks { grid-template-columns: 1fr; }
  .head { gap: 12px; }
  .brand-text small { display: none; }
  .hero-art { max-width: 200px; }
}