/* Демо «Norda» — многостраничный сайт вымышленного архитектурного бюро. */
:root {
  --navy: #10253f;
  --navy-2: #1c3a5e;
  --sand: #efe7d9;
  --sand-2: #f7f2e9;
  --paper: #fdfbf7;
  --terra: #c8481f;
  --terra-d: #a63a16;
  --ink: #14202e;
  --muted: #55606d;
  --line: #d9d1c1;
  --font: "Helvetica Neue", "Segoe UI", system-ui, -apple-system, Roboto, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); line-height: 1.6; overflow-x: hidden; }
h1, h2, h3, h4, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }
:focus-visible { outline: 3px solid #1a6fd1; outline-offset: 3px; }
[hidden] { display: none !important; }
main:focus { outline: none; }

.ribbon { background: var(--terra); color: #fff; text-align: center; font-size: .86rem; padding: 9px 16px; font-weight: 700; }

.head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px clamp(16px, 4vw, 48px); background: var(--navy); color: #fff; position: relative; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 900; letter-spacing: .26em; font-size: 1.15rem; }
.logo__m { width: 22px; height: 22px; border: 3px solid #fff; border-right-color: var(--terra); border-bottom-color: var(--terra); transform: rotate(45deg); }
.nav { display: flex; align-items: center; gap: clamp(4px, 1.6vw, 18px); }
.nav a { padding: 10px 12px; text-decoration: none; font-weight: 700; font-size: .93rem; color: #cbd6e4; border-radius: 6px; transition: color .2s, background .2s; position: relative; }
.nav a:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.nav a[aria-current="page"] { color: #fff; }
.nav a[aria-current="page"]::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 3px; height: 2px; background: var(--terra); }
.nav .nav__cta { background: var(--terra); color: #fff; }
.nav .nav__cta:hover { background: var(--terra-d); }
.nav .nav__cta[aria-current="page"]::after { display: none; }
.menu-btn { display: none; align-items: center; gap: 10px; min-height: 44px; padding: 0 14px; background: transparent; border: 1px solid rgba(255, 255, 255, .4); border-radius: 8px; color: #fff; cursor: pointer; font-weight: 700; }
.menu-btn__bars { width: 18px; height: 2px; background: #fff; position: relative; box-shadow: 0 -6px 0 #fff, 0 6px 0 #fff; }

/* Страницы */
#view { min-height: 560px; }
.page { animation: pageIn .45s cubic-bezier(.22, .8, .24, 1) both; }
@keyframes pageIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.sec { padding: clamp(36px, 6vw, 72px) clamp(16px, 4vw, 48px); }
.sec--sand { background: var(--sand); }
.sec--navy { background: var(--navy); color: #fff; }
.kicker { font-size: .76rem; font-weight: 900; letter-spacing: .22em; text-transform: uppercase; color: var(--terra-d); margin-bottom: 14px; }
.sec--navy .kicker { color: #ff9b78; }
.h1 { font-size: clamp(2.2rem, 1.4rem + 3.6vw, 4.4rem); line-height: 1.04; letter-spacing: -.03em; font-weight: 900; text-wrap: balance; }
.h2 { font-size: clamp(1.7rem, 1.2rem + 2vw, 2.8rem); line-height: 1.08; letter-spacing: -.02em; font-weight: 900; margin-bottom: 12px; text-wrap: balance; }
.lead { color: var(--muted); font-size: 1.1rem; max-width: 60ch; }
.sec--navy .lead { color: #bccbe0; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 24px; border: 2px solid var(--navy); background: var(--navy); color: #fff; font-weight: 800; letter-spacing: .02em; text-decoration: none; cursor: pointer; border-radius: 4px; transition: transform .2s, background .2s, color .2s, border-color .2s; }
.btn:hover { transform: translateY(-2px); }
.btn--terra { background: var(--terra); border-color: var(--terra); }
.btn--terra:hover { background: var(--terra-d); border-color: var(--terra-d); }
.btn--line { background: transparent; color: var(--navy); }
.btn--line:hover { background: var(--navy); color: #fff; }
.sec--navy .btn--line { color: #fff; border-color: #fff; }
.sec--navy .btn--line:hover { background: #fff; color: var(--navy); }
.btn--block { width: 100%; }

/* Главная */
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(20px, 4vw, 56px); align-items: center; padding: clamp(32px, 6vw, 80px) clamp(16px, 4vw, 48px); background: var(--sand-2); background-image: linear-gradient(rgba(16, 37, 63, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(16, 37, 63, .05) 1px, transparent 1px); background-size: 32px 32px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero__text .lead { margin-top: 20px; }
.plan { width: 100%; height: auto; background: #fff; border: 2px solid var(--navy); border-radius: 6px; box-shadow: 10px 10px 0 var(--terra); }
.plan path, .plan rect, .plan line { fill: none; stroke: var(--navy); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.plan .accent { stroke: var(--terra); }
.plan .draw { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 2.2s .2s ease forwards; }
.plan .draw-2 { animation-delay: .8s; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.plan text { font: 700 11px var(--font); fill: var(--muted); letter-spacing: .1em; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.card { display: flex; flex-direction: column; gap: 10px; padding: 24px; background: #fff; border: 2px solid var(--navy); border-radius: 6px; text-decoration: none; transition: transform .25s, box-shadow .25s; }
.card:hover { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 var(--terra); }
.card__n { font-weight: 900; font-size: .8rem; letter-spacing: .2em; color: var(--terra-d); }
.card h3 { font-size: 1.3rem; line-height: 1.2; }
.card p { color: var(--muted); }
.card__more { margin-top: auto; font-weight: 800; font-size: .9rem; color: var(--navy); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 28px; counter-reset: s; border: 1px solid rgba(255, 255, 255, .25); }
.step { padding: 22px; border-inline-end: 1px solid rgba(255, 255, 255, .25); }
.step:last-child { border-inline-end: 0; }
.step__n { font-size: 2.4rem; font-weight: 900; color: #ff9b78; line-height: 1; margin-bottom: 10px; }
.step h3 { font-size: 1.15rem; margin-bottom: 6px; }
.step p { color: #bccbe0; font-size: .95rem; }
.band { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; padding: clamp(28px, 5vw, 52px) clamp(16px, 4vw, 48px); background: var(--terra); color: #fff; }
.band h2 { font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.3rem); font-weight: 900; letter-spacing: -.02em; }
.band .btn { background: #fff; color: var(--terra-d); border-color: #fff; }

/* Услуги */
.svcs { display: grid; gap: 14px; margin-top: 28px; }
.svc { border: 2px solid var(--navy); background: #fff; border-radius: 6px; }
.svc__row { display: grid; grid-template-columns: auto 1fr auto; gap: 8px 22px; align-items: center; padding: 22px; }
.svc__n { font-size: 2.2rem; font-weight: 900; color: var(--terra); line-height: 1; min-width: 2ch; }
.svc h3 { font-size: 1.35rem; line-height: 1.2; }
.svc p { color: var(--muted); margin-top: 4px; }
.svc__btns { display: flex; flex-wrap: wrap; gap: 8px; }
.svc__btns .btn { min-height: 42px; padding: 0 16px; font-size: .9rem; }
.svc__det { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s ease; }
.svc.open .svc__det { grid-template-rows: 1fr; }
.svc__det > div { overflow: hidden; visibility: hidden; transition: visibility 0s .3s; }
.svc.open .svc__det > div { visibility: visible; transition-delay: 0s; }
.svc__det ul { padding: 0 22px 22px calc(22px + 2ch + 22px); display: grid; gap: 6px; }
.svc__det li { position: relative; padding-inline-start: 22px; color: var(--muted); }
.svc__det li::before { content: ""; position: absolute; inset-inline-start: 0; top: .7em; width: 12px; height: 2px; background: var(--terra); }

/* Проекты */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 8px; }
.chip { min-height: 44px; padding: 0 20px; border: 2px solid var(--navy); background: #fff; border-radius: 999px; font-weight: 800; cursor: pointer; transition: background .2s, color .2s; }
.chip:hover { background: var(--sand); }
.chip[aria-pressed="true"] { background: var(--navy); color: #fff; }
.count { color: var(--muted); font-weight: 700; font-size: .9rem; margin-bottom: 18px; }
.pjs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: start; }
.pj { background: #fff; border: 2px solid var(--navy); border-radius: 6px; overflow: hidden; transition: box-shadow .25s; animation: pageIn .4s both; }
.pj:hover { box-shadow: 6px 6px 0 var(--terra); }
.pj__art { aspect-ratio: 16 / 10; display: block; width: 100%; border-bottom: 2px solid var(--navy); }
.pj__body { padding: 16px 18px 18px; display: grid; gap: 6px; }
.pj__type { font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; font-weight: 900; color: var(--terra-d); }
.pj h3 { font-size: 1.2rem; line-height: 1.2; }
.pj__toggle { margin-top: 6px; min-height: 42px; border: 2px solid var(--navy); background: transparent; border-radius: 4px; font-weight: 800; cursor: pointer; transition: background .2s, color .2s; }
.pj__toggle:hover, .pj__toggle[aria-expanded="true"] { background: var(--navy); color: #fff; }
.pj__det { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s ease; }
.pj.open .pj__det { grid-template-rows: 1fr; }
.pj__det > div { overflow: hidden; visibility: hidden; transition: visibility 0s .3s; }
.pj.open .pj__det > div { visibility: visible; transition-delay: 0s; }
.pj__det p { color: var(--muted); margin-top: 10px; }
.pj__det dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 10px 0 0; font-size: .92rem; }
.pj__det dt { font-weight: 800; }
.pj__det dd { margin: 0; color: var(--muted); }
.pj__det ul { margin-top: 10px; display: grid; gap: 4px; font-size: .92rem; color: var(--muted); }
.pj__det li::before { content: "— "; color: var(--terra); font-weight: 900; }

/* О бюро */
.two { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 4vw, 56px); align-items: start; }
.vals { display: grid; gap: 12px; }
.val { padding: 20px; background: #fff; border: 2px solid var(--navy); border-left: 8px solid var(--terra); border-radius: 6px; }
.val h3 { font-size: 1.15rem; margin-bottom: 4px; }
.val p { color: var(--muted); }
.note { margin-top: 20px; padding: 12px 16px; background: #fff3d6; border: 1px solid #ecd48d; border-radius: 6px; font-weight: 700; color: #6b4a00; }

/* Контакты */
.form { display: grid; gap: 14px; padding: clamp(18px, 3vw, 30px); background: #fff; border: 2px solid var(--navy); border-radius: 6px; box-shadow: 8px 8px 0 var(--sand); }
.field label { display: block; margin-bottom: 6px; font-weight: 800; font-size: .92rem; }
.field input, .field select, .field textarea { width: 100%; min-height: 48px; padding: 10px 14px; border: 2px solid #b9b19f; border-radius: 4px; background: #fffdf9; }
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--terra); box-shadow: 0 0 0 3px rgba(200, 72, 31, .22); }
.field.bad input, .field.bad select, .field.bad textarea { border-color: #b3261e; }
.err { color: #b3261e; font-weight: 800; font-size: .86rem; margin-top: 4px; }
.err:empty { display: none; }
.info { display: grid; gap: 10px; margin-top: 22px; }
.info li { padding: 12px 16px; border: 2px dashed #b9b19f; border-radius: 6px; background: var(--sand-2); }
.info b { display: block; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--terra-d); }
.done { text-align: center; padding: 28px 10px; }
.done:focus { outline: none; }
.done__ico { width: 62px; height: 62px; margin: 0 auto 14px; display: grid; place-items: center; background: var(--terra); color: #fff; font-size: 1.8rem; font-weight: 900; border-radius: 50%; }
.done h3 { font-size: 1.5rem; margin-bottom: 6px; }
.done p { color: var(--muted); }
.done__sum { margin: 14px auto 18px; padding: 12px 16px; background: var(--sand); border-radius: 6px; color: var(--ink) !important; font-weight: 700; max-width: 440px; white-space: pre-line; }

.foot { background: var(--navy); color: #bccbe0; padding: 24px clamp(16px, 4vw, 48px) 30px; }
.foot__in { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; align-items: center; font-size: .9rem; }
.logo--sm { color: #fff; font-size: .95rem; }

@media (max-width: 900px) {
  .hero, .two { grid-template-columns: 1fr; }
  .cards, .pjs { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step:nth-child(2) { border-inline-end: 0; }
  .step:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, .25); }
}
@media (max-width: 720px) {
  .menu-btn { display: inline-flex; }
  .nav { display: none; width: 100%; flex-direction: column; align-items: stretch; gap: 2px; padding-top: 8px; }
  .nav.open { display: flex; }
  .nav a { padding: 14px 12px; }
  .nav a[aria-current="page"]::after { left: 12px; right: auto; width: 40px; bottom: 6px; }
}
@media (max-width: 600px) {
  .cards, .pjs, .steps { grid-template-columns: 1fr; }
  .step { border-inline-end: 0; border-bottom: 1px solid rgba(255, 255, 255, .25); }
  .step:last-child { border-bottom: 0; }
  .svc__row { grid-template-columns: auto 1fr; }
  .svc__btns { grid-column: 1 / -1; }
  .svc__det ul { padding-inline-start: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .plan .draw { stroke-dashoffset: 0; }
}