:root {
  --bg: #ffffff;
  --bg-soft: #f6f8f6;
  --ink: #2c332e;
  --muted: #6b746c;
  --accent: #7ba07f;
  --accent-deep: #5c8161;
  --line: #e7ebe7;
  --shadow: 0 12px 40px rgba(44,51,46,.08);
  --radius: 18px;
  --maxw: 1140px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-weight: 600; line-height: 1.15; letter-spacing: -0.01em; margin: 0 0 .4em; }
h1 { font-size: clamp(2.3rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); }
p { margin: 0 0 1em; color: var(--muted); }
a { color: inherit; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.eyebrow { text-transform: uppercase; letter-spacing: .22em; font-size: .78rem; font-weight: 600; color: var(--accent-deep); margin-bottom: 1rem; }
.btn {
  display: inline-block; background: var(--accent-deep); color: #fff; padding: 14px 30px; border-radius: 999px;
  text-decoration: none; font-weight: 600; font-size: .98rem; transition: transform .15s ease, background .2s ease; border: none; cursor: pointer;
}
.btn:hover { background: var(--accent); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.btn-ghost:hover { background: var(--bg-soft); border-color: var(--accent); }
.btn-sm { padding: 10px 22px; font-size: .9rem; }

/* Header — brand top right, logo to come */
header.nav { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(180%) blur(12px); background: rgba(255,255,255,.85); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { text-decoration: none; font-size: .95rem; color: var(--muted); font-weight: 500; }
.nav-links a:hover { color: var(--ink); }
.nav-brand { display: flex; align-items: center; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; font-size: 1.4rem; letter-spacing: .06em; text-decoration: none; color: var(--ink); }
.brand-logo { height: 28px; width: auto; display: block; }
.brand span { color: var(--accent-deep); }
.lang-select {
  appearance: none; -webkit-appearance: none;
  border: 1.5px solid var(--line); background: #fff; color: var(--ink);
  font: inherit; font-size: .85rem; font-weight: 600; letter-spacing: .04em;
  padding: 7px 30px 7px 12px; border-radius: 999px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235c8161' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 11px center;
  transition: border-color .15s ease;
}
.lang-select:hover, .lang-select:focus { border-color: var(--accent); outline: none; }
@media (max-width: 760px){ .nav-links { display:none; } }

/* Hero */
.hero { position: relative; min-height: 80vh; display: flex; align-items: center; background: linear-gradient(180deg, #eef3ee 0%, #f8faf8 100%); overflow: hidden; }
.hero-bg { position:absolute; inset:0; background-image: url('/images/banner.jpg'); background-size:cover; background-position:center; }
.hero::after { content:""; position:absolute; inset:0; background: linear-gradient(90deg, rgba(255,255,255,.93) 0%, rgba(255,255,255,.72) 46%, rgba(255,255,255,.12) 100%); }
.hero .wrap { position: relative; z-index: 2; padding: 40px 24px; }
.hero-copy { max-width: 640px; }
.hero-copy p { font-size: 1.15rem; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 12px; }

section { padding: 92px 0; }
.section-head { max-width: 680px; margin-bottom: 52px; }
.center { text-align:center; margin-left:auto; margin-right:auto; }

/* USP boxes */
.features { background: var(--bg-soft); }
.usp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
@media (max-width: 860px){ .usp-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; } }
.usp { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .18s ease, box-shadow .18s ease; }
.usp:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.usp-img { aspect-ratio: 1/1; overflow: hidden; background: var(--bg-soft); }
.usp-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.usp:hover .usp-img img { transform: scale(1.05); }
.usp-body { padding: 26px 26px 30px; }
.usp-body h3 { font-size: 1.25rem; }
.usp-body p { margin: 0; font-size: .96rem; }

/* Models */
.model-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 940px){ .model-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 520px){ .model-grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; } }
.model { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background:#fff; transition: transform .18s ease, box-shadow .18s ease; }
.model:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.model-img { position: relative; aspect-ratio: 4/5; background: var(--bg-soft); overflow: hidden; }
.model-img img { width:100%; height:100%; object-fit: cover; display:block; }
.model-cap { padding: 18px 20px 22px; text-align:center; }
.model-cap h3 { font-size: 1.15rem; margin-bottom: 2px; }
.model-cap p { margin: 0; font-size: .88rem; }

/* Specs */
.specs { background: var(--bg-soft); }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 40px; }
@media (max-width: 720px){ .stat-row { grid-template-columns: repeat(2,1fr); } }
.stat { background:#fff; border:1px solid var(--line); border-radius: 14px; padding: 22px 20px; text-align:center; }
.stat .v { display:block; font-size: 1.9rem; font-weight: 700; color: var(--accent-deep); letter-spacing: -.02em; line-height: 1.1; }
.stat .v em { font-style: normal; font-size: 1rem; font-weight: 600; color: var(--muted); }
.stat .k { display:block; font-size: .82rem; color: var(--muted); margin-top: 8px; }

/* shared spec sheet cards */
.sheet-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
@media (max-width: 860px){ .sheet-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; } }
.sheet { background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 26px 26px 12px; box-shadow: var(--shadow); }
.sheet h3 { font-size: .82rem; text-transform: uppercase; letter-spacing: .16em; color: var(--accent-deep); margin-bottom: 14px; }
.spec-list .row { padding: 12px 0; border-bottom: 1px solid var(--line); }
.spec-list .row:last-child { border-bottom: none; }
.spec-list .k { display:block; font-size: .7rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin-bottom: 3px; }
.spec-list .v { display:block; font-size: .95rem; color: var(--ink); font-weight: 500; line-height:1.4; }
.specs-foot { display:flex; align-items:center; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-top: 30px; }
.specs-note { font-size: .82rem; color: var(--muted); margin: 0; max-width: 640px; }

/* Contact — centered, clean */
.contact { background: linear-gradient(180deg, #f8faf8, #eef3ee); }
.contact .section-head { margin-left:auto; margin-right:auto; text-align:center; }
form.contact-form { max-width: 620px; margin: 0 auto; background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow); }
.field { margin-bottom: 18px; }
.field-row { display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 520px){ .field-row { grid-template-columns: 1fr; gap:0; } }
.field label { display:block; font-size:.85rem; font-weight:600; margin-bottom:7px; color: var(--ink); }
.field input, .field select, .field textarea { width:100%; padding: 13px 15px; border:1.5px solid var(--line); border-radius: 12px; font: inherit; color: var(--ink); background:#fff; transition: border-color .15s ease; }
.field input:focus, .field select:focus, .field textarea:focus { outline:none; border-color: var(--accent); }
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size:.82rem; color:var(--muted); margin-top: 6px; text-align:center; }

footer { padding: 40px 0; border-top: 1px solid var(--line); text-align:center; }
footer p { font-size:.88rem; margin:0; }
footer .footer-loc { margin-top: 6px; color: var(--muted); font-size:.82rem; }
.hidden { display:none !important; }

/* Utility */
.bg-soft { background: var(--bg-soft); }

/* Applications — who it's for */
.apps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
@media (max-width: 860px){ .apps-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; } }
.app-card { background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; transition: transform .18s ease, box-shadow .18s ease; }
.app-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.app-ico { width: 48px; height: 48px; border-radius: 12px; background:#eef3ee; display:flex; align-items:center; justify-content:center; margin-bottom: 18px; }
.app-ico svg { width: 26px; height: 26px; fill:none; stroke: var(--accent-deep); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.app-card h3 { font-size: 1.15rem; }
.app-card p { margin: 0; font-size: .95rem; }

/* About */
.about-wrap { max-width: 760px; }
.about-wrap p { font-size: 1.05rem; }

/* How to order — steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 820px){ .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px){ .steps { grid-template-columns: 1fr; max-width: 340px; margin: 0 auto; } }
.step-n { font-size: 1.6rem; font-weight: 700; color: var(--accent-deep); letter-spacing: .02em; margin-bottom: 8px; }
.step h3 { font-size: 1.1rem; margin-bottom: 4px; }
.step p { margin: 0; font-size: .92rem; }
.order-note { margin: 40px auto 0; max-width: 760px; text-align: center; font-size: .95rem; background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; }

/* FAQ */
.faq-list { max-width: 820px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { list-style: none; cursor: pointer; padding: 20px 40px 20px 0; position: relative; font-weight: 600; font-size: 1.05rem; color: var(--ink); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%); font-size: 1.4rem; font-weight: 400; color: var(--accent-deep); transition: transform .2s ease; }
.faq-item[open] summary::after { content: "\2013"; }
.faq-item p { margin: 0 0 20px; color: var(--muted); max-width: 70ch; }