/* Lignea — maquette Business (charpente & menuiserie) — CroisierWeb 2026 */
:root { --ink: #23302a; --green: #2f4a3c; --green-2: #3d5c4b; --wood: #b7793f; --wood-d: #965f2c; --oak: #e2c193; --paper: #f6f1e8; --cream: #fbf8f2; --line: #e3dac9; --muted: #66706a;
  --mk-accent: var(--wood); --mk-accent-fg: #fff; --mk-surface: #fff; --mk-fg: var(--ink); --mk-radius: 12px; --mk-font: "Source Sans", system-ui, sans-serif; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 400 18px/1.6 "Source Sans", system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--ink); background: var(--cream); overflow-x: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: "Montserrat", system-ui, sans-serif; font-weight: 800; line-height: 1.08; letter-spacing: -.025em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.5rem, 5.6vw, 4.3rem); }
h1 em { font-style: normal; color: var(--wood); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.15rem; font-weight: 700; letter-spacing: -.01em; }
.wrap { width: min(1180px, 100% - 40px); margin-inline: auto; }
.sec { padding: clamp(64px, 9vw, 110px) 0; scroll-margin-top: 80px; }
.sec-paper { background: var(--paper); }
.sec-green { background: var(--green); color: #eef1ea; }
.sec-green .kick { color: var(--oak); }
.muted { color: var(--muted); }
.small { font-size: .86rem; }
.ico { width: 1.15em; height: 1.15em; flex: none; }
.kick { font: 700 .78rem "Montserrat", sans-serif; letter-spacing: .14em; text-transform: uppercase; color: var(--wood-d); margin: 0 0 14px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 24px; border-radius: 10px; background: var(--wood); color: #fff; border: 2px solid var(--wood); font: 700 .95rem "Montserrat", sans-serif; text-decoration: none; cursor: pointer; transition: background .2s, color .2s; }
.btn:hover { background: var(--wood-d); border-color: var(--wood-d); }
.btn .ico { width: 18px; height: 18px; transition: transform .2s; }
.btn:hover .ico:last-child { transform: translateX(3px); }
.btn-line { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-line:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
.btn-light:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn-sm { min-height: 44px; padding: 0 18px; font-size: .88rem; }
.btn-wide { width: 100%; }
:focus-visible { outline: 3px solid var(--wood); outline-offset: 3px; }

.hd { position: sticky; top: 0; z-index: 50; background: rgba(251, 248, 242, .92); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: border-color .3s; }
.hd.is-scrolled { border-color: var(--line); }
.hd-in { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 78px; }
.logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-mark { width: 42px; height: 42px; }
.logo > span { display: grid; font: 800 1.45rem/1 "Montserrat", sans-serif; letter-spacing: -.03em; }
.logo small { font: 600 .7rem "Source Sans", sans-serif; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-top: 4px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a:not(.btn) { text-decoration: none; font-weight: 600; }
.nav a:not(.btn)[aria-current="page"], .nav a:not(.btn):hover { color: var(--wood-d); }
.burger { display: none; }

.hero { padding: clamp(40px, 6vw, 80px) 0 clamp(60px, 8vw, 100px); }
.hero-in { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 80px); align-items: center; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 560px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-art { border-radius: 24px; overflow: hidden; box-shadow: 0 30px 60px -30px rgba(35, 48, 42, .45); }
.draw path { stroke-dasharray: 1200; stroke-dashoffset: 1200; animation: draw 2.4s cubic-bezier(.6, 0, .2, 1) forwards; }
.draw .d2 { animation-delay: .5s; } .draw .d3 { animation-delay: .8s; } .draw .d4 { animation-delay: 1.1s; } .draw .d5 { animation-delay: 1.4s; } .draw .d6 { animation-delay: 1.7s; }
@keyframes draw { to { stroke-dashoffset: 0; } }

.head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 38px; }
.head h2 { margin: 0; }
.more { display: inline-flex; align-items: center; gap: 8px; font: 700 .9rem "Montserrat", sans-serif; text-decoration: none; color: var(--wood-d); border-bottom: 2px solid currentColor; padding-bottom: 3px; }
.more .ico { width: 16px; }
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.svc { padding: 28px; border-radius: 16px; background: #fff; border: 1px solid var(--line); text-decoration: none; transition: transform .25s, box-shadow .25s; }
.svc:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -24px rgba(35, 48, 42, .4); }
.svc p { color: var(--muted); font-size: .98rem; margin: 0; }
.svc-ico { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 12px; background: #f3e7d6; color: var(--wood-d); margin-bottom: 18px; }
.svc-ico .ico { width: 26px; height: 26px; }

.ess { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.es { background: var(--green-2); border-radius: 16px; padding: 22px; }
.es p { color: #cfd8cf; font-size: .95rem; margin: 0 0 10px; }
.es .es-use { color: var(--oak); font-weight: 600; font-size: .85rem; }
.es-grain { display: block; height: 90px; border-radius: 10px; margin-bottom: 18px; background-size: 100% 100%; }
.g0 { background: repeating-linear-gradient(95deg, #e9d3a8 0 6px, #dcc08f 6px 9px, #ead6ae 9px 17px); }
.g1 { background: repeating-linear-gradient(92deg, #d49a62 0 5px, #b9783f 5px 8px, #d9a26b 8px 15px); }
.g2 { background: repeating-linear-gradient(97deg, #d8a183 0 7px, #c08465 7px 10px, #ddb093 10px 18px); }
.g3 { background: repeating-linear-gradient(88deg, #c49a68 0 4px, #a87a48 4px 6px, #cba273 6px 13px); }
.es-dur { display: flex; align-items: center; justify-content: space-between; margin: 14px 0 0 !important; padding-top: 12px; border-top: 1px solid rgba(255, 255, 255, .12); font-size: .82rem !important; }
.dots { display: inline-flex; gap: 4px; }
.dots i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .2); }
.dots i.on { background: var(--oak); }

.calc { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.calc-box { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: clamp(22px, 4vw, 34px); box-shadow: 0 30px 60px -40px rgba(35, 48, 42, .5); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.f { display: block; margin-bottom: 16px; border: 0; padding: 0; min-width: 0; }
.f > span, .f > legend { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 6px; padding: 0; }
.f input:not([type=radio]), .f select, .f textarea { width: 100%; min-height: 50px; padding: 12px 14px; border: 2px solid var(--line); border-radius: 10px; background: #fff; font: inherit; color: var(--ink); }
.f input:focus, .f select:focus, .f textarea:focus { border-color: var(--wood); outline: 0; }
.pills { border: 0; padding: 0; margin: 0 0 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.pills legend { width: 100%; font-weight: 600; font-size: .92rem; margin-bottom: 6px; padding: 0; }
.pills label { position: relative; }
.pills input { position: absolute; opacity: 0; }
.pills span { display: inline-block; padding: 9px 16px; border: 2px solid var(--line); border-radius: 999px; font-weight: 600; cursor: pointer; }
.pills input:checked + span { background: var(--ink); color: #fff; border-color: var(--ink); }
.pills input:focus-visible + span { outline: 3px solid var(--wood); outline-offset: 2px; }
.calc-out { display: grid; grid-template-columns: 1fr 1fr 1.4fr; gap: 10px; margin-bottom: 14px; }
.calc-out div { padding: 14px; border-radius: 12px; background: var(--paper); }
.calc-out span { display: block; font-size: .8rem; color: var(--muted); }
.calc-out strong { font: 800 1.3rem "Montserrat", sans-serif; }
.calc-out .hl { background: var(--ink); color: #fff; }
.calc-out .hl span { color: var(--oak); }

.works { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.work { display: flex; flex-direction: column; justify-content: flex-start; align-items: stretch; padding: 0; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: #fff; text-align: left; font: inherit; color: inherit; text-decoration: none; cursor: pointer; transition: transform .25s, box-shadow .25s; }
.work:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -24px rgba(35, 48, 42, .4); }
.work[hidden] { display: none; }
.work .scene { aspect-ratio: 3 / 2; width: 100%; }
.work-b { display: block; padding: 16px 18px 18px; }
.work-cat { display: block; font: 700 .72rem "Montserrat", sans-serif; letter-spacing: .1em; text-transform: uppercase; color: var(--wood-d); margin-bottom: 6px; }
.work-b h3, .work-h { display: block; margin: 0; font: 700 1.1rem "Montserrat", sans-serif; }
.work-d { display: block; color: var(--muted); font-size: .92rem; margin-top: 6px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.filter { min-height: 42px; padding: 0 18px; border-radius: 999px; border: 2px solid var(--line); background: #fff; font: 600 .92rem "Source Sans", sans-serif; cursor: pointer; }
.filter.is-on { background: var(--ink); border-color: var(--ink); color: #fff; }
.lb { border: 0; padding: 0; border-radius: 20px; width: min(920px, 92vw); max-height: 92vh; background: #fff; color: var(--ink); }
.lb::backdrop { background: rgba(20, 28, 24, .75); }
.lb-art .scene { width: 100%; aspect-ratio: 3 / 2; }
.lb-b { padding: 22px 26px 26px; }
.lb-b p { color: var(--muted); margin: 0; }
.lb-x { position: absolute; top: 12px; right: 12px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: #fff; font-size: 1.6rem; line-height: 1; cursor: pointer; box-shadow: 0 6px 16px rgba(0, 0, 0, .2); }

.page-hero { padding: clamp(50px, 7vw, 90px) 0 clamp(30px, 4vw, 50px); background: linear-gradient(180deg, var(--paper), var(--cream)); }
.page-hero .lead { max-width: 680px; }
.sf { display: grid; gap: clamp(40px, 6vw, 70px); }
.sf-row { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(26px, 5vw, 60px); align-items: center; scroll-margin-top: 100px; }
.sf-row.rev .sf-art { order: 2; }
.sf-art { border-radius: 20px; overflow: hidden; }
.sf-art .scene { aspect-ratio: 3 / 2; width: 100%; }
.num { font: 800 .9rem "Montserrat", sans-serif; color: var(--wood); }
.ticks { list-style: none; padding: 0; margin: 0 0 22px; display: grid; gap: 8px; }
.ticks li { display: flex; gap: 10px; }
.ticks .ico { color: var(--green-2); margin-top: 5px; width: 17px; height: 17px; }

.about { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(30px, 5vw, 70px); align-items: start; }
.big { font-size: clamp(1.15rem, 1.8vw, 1.35rem); line-height: 1.65; }
.nums { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 0; }
.nums div { background: var(--paper); border-radius: 14px; padding: 20px; }
.nums dt { font: 800 1.8rem "Montserrat", sans-serif; color: var(--wood-d); }
.nums dd { margin: 4px 0 0; color: var(--muted); font-size: .9rem; }
.team { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 10px; }
.member { text-align: center; }
.member p { margin: 0; font-size: .93rem; }
.av { display: grid; place-items: center; width: 104px; height: 104px; margin: 0 auto 14px; border-radius: 50%; font: 800 1.8rem "Montserrat", sans-serif; color: #fff; }
.a0 { background: var(--green); } .a1 { background: var(--wood); } .a2 { background: #7a8f6e; } .a3 { background: #5d4632; }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.val { padding: 26px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.val p { margin: 0; }

.quote { display: grid; grid-template-columns: 1.5fr .8fr; gap: 30px; align-items: start; }
.form { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: clamp(22px, 4vw, 36px); }
.types { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.types legend { grid-column: 1 / -1; }
.types label { position: relative; }
.types input { position: absolute; opacity: 0; }
.types span { display: flex; flex-direction: column; gap: 8px; height: 100%; padding: 14px; border: 2px solid var(--line); border-radius: 12px; font-weight: 600; font-size: .92rem; cursor: pointer; }
.types span .ico { width: 24px; height: 24px; color: var(--wood); }
.types input:checked + span { border-color: var(--wood); background: #fbf2e6; }
.types input:focus-visible + span { outline: 3px solid var(--wood); outline-offset: 2px; }
.types.mk-has-err span { border-color: #c0262d; }
.side { display: grid; gap: 16px; position: sticky; top: 100px; }
.side-card { padding: 24px; border-radius: 16px; border: 1px solid var(--line); background: #fff; }
.side-card ol { margin: 0; padding-left: 20px; display: grid; gap: 8px; }
.side-card.dark { background: var(--green); color: #eef1ea; border-color: var(--green); }
.side-card.dark a { color: #fff; font-weight: 700; }
.side-card p { margin: 0 0 8px; }

.cta-band { background: var(--ink); color: #fff; padding: clamp(50px, 7vw, 80px) 0; background-image: repeating-linear-gradient(100deg, rgba(255, 255, 255, .02) 0 8px, transparent 8px 22px); }
.cta-in { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; }
.cta-in h2 { margin-bottom: 6px; }
.cta-in p { margin: 0; color: #c7cfc7; }
.cta-band .cta { margin: 0; }

.ft { background: #1b2520; color: #b8c2bb; padding: 60px 0 24px; font-size: .94rem; }
.ft-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr .8fr; gap: 30px; }
.ft-logo { font: 800 1.6rem "Montserrat", sans-serif; color: #fff; margin: 0 0 10px; letter-spacing: -.03em; }
.ft-h { font: 700 .76rem "Montserrat", sans-serif; letter-spacing: .14em; text-transform: uppercase; color: var(--oak); }
.side-card:not(.dark) .ft-h { color: var(--wood-d); }
.ft a { color: #eef1ea; text-decoration: none; }
.ft-nav { display: grid; gap: 6px; align-content: start; }
.ft-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .85rem; }
.ft-bottom p { margin: 0; }
.mk-credit { margin-left: 14px; }
.mk-legal a { color: var(--wood-d); }

@media (max-width: 1000px) {
  .hero-in, .calc, .about, .quote, .sf-row { grid-template-columns: 1fr; }
  .sf-row.rev .sf-art { order: 0; }
  .svc-grid, .works { grid-template-columns: 1fr 1fr; }
  .ess, .team { grid-template-columns: 1fr 1fr; }
  .values { grid-template-columns: 1fr; }
  .ft-grid { grid-template-columns: 1fr 1fr; }
  .side { position: static; }
  .burger { display: grid; place-content: center; gap: 6px; width: 46px; height: 46px; border: 0; border-radius: 10px; background: var(--ink); cursor: pointer; }
  .burger span { width: 20px; height: 2px; background: #fff; transition: transform .25s; }
  .mk-nav-open .burger span:first-child { transform: translateY(4px) rotate(45deg); }
  .mk-nav-open .burger span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .nav { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 22px; background: var(--cream); border-bottom: 1px solid var(--line); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: .25s; }
  .mk-nav-open .nav { opacity: 1; visibility: visible; transform: none; }
  .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 14px; }
}
@media (max-width: 620px) {
  body { font-size: 17px; }
  .wrap { width: calc(100% - 32px); }
  .svc-grid, .works, .ess, .two, .ft-grid { grid-template-columns: 1fr; }
  .team { grid-template-columns: 1fr 1fr; }
  .types { grid-template-columns: 1fr 1fr; }
  .calc-out { grid-template-columns: 1fr 1fr; }
  .calc-out .hl { grid-column: 1 / -1; }
  .head { flex-direction: column; align-items: flex-start; }
  .cta .btn { flex: 1 1 100%; }
  .logo small { display: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .draw path { animation: none; stroke-dashoffset: 0; } }