/* Mandarin Print - landing styles. Brandbook v2.1 palette, Montserrat only. */

:root {
  --color-primary: #B02929;
  --color-primary-dark: #8A1F1F;
  --color-accent: #DBCCBD;
  --color-bg: #F5E5D7;
  --color-bg-alt: #ECE8D6;
  --color-text: #000000;
  --color-text-secondary: #2B2B2B;
  --color-text-muted: #6B5F55;
  --color-border: #DBCCBD;
  --font-body: 'Montserrat', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --container-max: 1240px;
  --section-py: 72px;
  --radius: 2px;
  --transition: 300ms ease;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3 {
  font-family: var(--font-body);
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.1rem, 7vw, 4rem); font-weight: 700; line-height: 1.08; }
h2 { font-size: clamp(1.6rem, 4.5vw, 2.6rem); font-weight: 700; line-height: 1.18; }
h3 { font-size: 1.06rem; font-weight: 600; line-height: 1.35; }
p { margin: 0 0 16px; max-width: 68ch; }

.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: 800px; }
.center { text-align: center; }

.section { padding: var(--section-py) 0; }
.section-alt { background: var(--color-bg-alt); }
.section-head { margin-bottom: 40px; }
.section-sub { color: var(--color-text-secondary); font-size: 1rem; }
.eyebrow {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--color-primary); margin-bottom: 20px;
}

/* ---------- corner frame: four separate corners, never joined ---------- */
.corner-frame { position: relative; padding: 10px; }
.corner-frame::before, .corner-frame::after,
.corner-frame .cf-in::before, .corner-frame .cf-in::after {
  content: ''; position: absolute; width: 20px; height: 20px;
  border: 2px solid var(--color-primary); pointer-events: none;
}
.corner-frame::before { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.corner-frame::after { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.corner-frame .cf-in { position: static; }
.corner-frame .cf-in::before { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.corner-frame .cf-in::after { bottom: 0; right: 0; border-left: 0; border-top: 0; }

/* ---------- placeholders (real photos go here later) ---------- */
.ph {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; text-align: center; background: var(--color-accent);
  color: var(--color-text-muted); font-size: 0.78rem; letter-spacing: 0.04em;
  min-height: 200px; padding: 24px;
}
.ph-note { max-width: 22ch; }
.ph-hero { min-height: 340px; background: var(--color-bg-alt); }
.ph-hero img { width: 140px; height: auto; opacity: 0.9; }
.ph-about { min-height: 380px; }
.ph-tile { min-height: 210px; }
.ph-review { min-height: 170px; background: var(--color-bg); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 15px 30px; border-radius: var(--radius); border: 1px solid transparent;
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 600;
  letter-spacing: 0.02em; cursor: pointer; transition: background var(--transition),
  color var(--transition), border-color var(--transition);
}
.btn-primary { background: var(--color-primary); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-secondary { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-secondary:hover { background: var(--color-bg-alt); }
.btn-wide { width: 100%; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 229, 215, 0.92);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.site-header.is-scrolled {
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom-color: var(--color-border);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}
.header-inner { display: flex; align-items: center; gap: 20px; min-height: 68px; }
.logo img { width: 168px; }
.nav { margin-left: auto; }
.nav ul { display: none; gap: 26px; }
.nav a {
  font-size: 0.86rem; font-weight: 500; padding: 6px 0;
  border-bottom: 1px solid transparent; transition: border-color var(--transition), color var(--transition);
}
.nav a:hover { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.header-side { display: none; flex-direction: column; align-items: flex-end; line-height: 1.35; }
.header-addr { font-size: 0.72rem; color: var(--color-text-muted); }
.header-phone { font-size: 0.92rem; font-weight: 600; color: var(--color-primary); }

.burger {
  margin-left: auto; display: flex; flex-direction: column; justify-content: center;
  gap: 5px; width: 40px; height: 40px; padding: 0; background: none;
  border: 1px solid var(--color-border); border-radius: var(--radius); cursor: pointer;
}
.burger span {
  display: block; width: 20px; height: 2px; margin: 0 auto;
  background: var(--color-text); transition: transform var(--transition), opacity var(--transition);
}
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav.is-open {
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--color-bg); border-bottom: 1px solid var(--color-border);
  padding: 18px 20px 24px;
}
.nav.is-open ul { display: flex; flex-direction: column; gap: 14px; }

/* ---------- hero ---------- */
.hero { padding: 56px 0 64px; }
.hero-inner { display: grid; gap: 40px; }
.hero-sub { font-size: 1.02rem; color: var(--color-text-secondary); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

/* ---------- stats strip ---------- */
.strip { background: var(--color-primary); color: var(--color-bg); padding: 34px 0; }
.strip-inner { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px 20px; }
.strip-item { display: flex; flex-direction: column; gap: 4px; }
.strip-val { font-size: 1.7rem; font-weight: 700; line-height: 1; }
.strip-lbl { font-size: 0.78rem; line-height: 1.4; opacity: 0.92; }

/* ---------- grids and cards ---------- */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: 1fr; }
.card { background: var(--color-bg-alt); border-radius: var(--radius); padding: 26px; }
.section-alt .card { background: var(--color-bg); }

.svc { display: flex; flex-direction: column; transition: transform var(--transition), background var(--transition); }
.svc:hover { transform: translateY(-3px); }
.svc-ico { color: var(--color-primary); margin-bottom: 14px; }
.ico { width: 34px; height: 34px; }
.svc p { font-size: 0.9rem; color: var(--color-text-secondary); margin-bottom: 14px; }
.svc-price {
  font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--color-text-muted); margin-top: auto;
}
.svc-more {
  margin-top: 14px; font-size: 0.84rem; font-weight: 600; color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary); align-self: flex-start; padding-bottom: 2px;
}
.svc-more::after { content: ' \2192'; }
.disclaimer {
  margin: 32px auto 0; max-width: 70ch; font-size: 0.85rem;
  color: var(--color-text-muted); text-align: center;
}

.usp { display: flex; flex-direction: column; gap: 12px; padding: 4px 0; }
.usp-ico { color: var(--color-primary); }
.usp p { font-size: 0.92rem; margin: 0; }

/* ---------- about ---------- */
.about-inner { display: grid; gap: 36px; }
.about-text blockquote {
  margin: 26px 0; padding-left: 18px; border-left: 2px solid var(--color-primary);
  font-size: 1.02rem; font-weight: 500;
}

/* ---------- portfolio ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.filter {
  padding: 9px 16px; font-family: var(--font-body); font-size: 0.8rem; font-weight: 500;
  color: var(--color-text-secondary); background: transparent;
  border: 1px solid var(--color-border); border-radius: var(--radius);
  cursor: pointer; transition: all var(--transition);
}
.filter:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter.is-active { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-bg); }
.gallery { display: grid; grid-template-columns: 1fr; gap: 18px; }
.tile { margin: 0; }
.tile[hidden] { display: none; }

/* ---------- process (bamboo backdrop) ---------- */
.section-bamboo { position: relative; overflow: hidden; }
.section-bamboo::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
  background-image: repeating-linear-gradient(90deg,
    transparent 0 62px,
    rgba(176, 41, 41, 0.07) 62px 64px,
    rgba(176, 41, 41, 0.03) 64px 76px,
    transparent 76px 138px);
}
.section-bamboo > .container { position: relative; }
.steps { display: grid; gap: 20px; counter-reset: step; }
.step { background: var(--color-bg-alt); padding: 26px; border-radius: var(--radius); }
.step-num {
  display: block; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.16em;
  color: var(--color-primary); margin-bottom: 12px;
}
.step-ico { display: block; color: var(--color-primary); margin-bottom: 10px; }
.step-ico .ico { width: 28px; height: 28px; }
.step p { font-size: 0.9rem; color: var(--color-text-secondary); margin: 0; }

/* ---------- reviews ---------- */
.review { padding: 14px; }
.review + .review { margin-top: 0; }

/* ---------- faq ---------- */
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-q {
  width: 100%; display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; padding: 20px 0; background: none; border: 0; cursor: pointer;
  font-family: var(--font-body); font-size: 0.98rem; font-weight: 600;
  color: var(--color-text); text-align: left; line-height: 1.4;
}
.faq-q:hover { color: var(--color-primary); }
.faq-mark { position: relative; flex: 0 0 16px; width: 16px; height: 16px; margin-top: 4px; }
.faq-mark::before, .faq-mark::after {
  content: ''; position: absolute; background: var(--color-primary);
  transition: transform var(--transition), opacity var(--transition);
}
.faq-mark::before { top: 7px; left: 0; width: 16px; height: 2px; }
.faq-mark::after { top: 0; left: 7px; width: 2px; height: 16px; }
.faq-q[aria-expanded="true"] .faq-mark::after { transform: rotate(90deg); opacity: 0; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 380ms ease; }
.faq-a p { padding-bottom: 20px; font-size: 0.92rem; color: var(--color-text-secondary); }

/* ---------- form ---------- */
.cta-section { background: var(--color-bg); }
.form { display: grid; gap: 18px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.03em; }
.req { color: var(--color-primary); }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 14px; font-family: var(--font-body); font-size: 0.94rem;
  color: var(--color-text); background: var(--color-bg-alt);
  border: 1px solid var(--color-border); border-radius: var(--radius);
  transition: border-color var(--transition);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--color-primary);
}
.field input[type="file"] { padding: 10px 12px; font-size: 0.84rem; }
.field textarea { resize: vertical; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--color-primary); }
.err { min-height: 14px; font-size: 0.74rem; color: var(--color-primary); }
.form-note { font-size: 0.78rem; color: var(--color-text-muted); margin: 0; }
.form-status { font-size: 0.9rem; font-weight: 600; margin: 0; min-height: 22px; }
.form-status.ok { color: var(--color-primary); }
.form-status.bad { color: var(--color-primary-dark); }

/* ---------- contacts ---------- */
.contacts-inner { display: grid; gap: 30px; }
.ct { display: grid; gap: 2px; padding: 14px 0; border-bottom: 1px solid var(--color-border); }
.ct-l { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-muted); }
.ct-v { font-size: 1rem; font-weight: 500; }
a.ct-v:hover { color: var(--color-primary); }
.ct-btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.contacts-map iframe { display: block; border-radius: var(--radius); }

/* ---------- footer ---------- */
.site-footer { background: var(--color-primary); color: var(--color-bg); padding: 52px 0 0; }
.footer-inner { display: grid; gap: 28px; position: relative; }
.footer-brand img { width: 200px; }
.footer-tag { font-size: 0.86rem; opacity: 0.9; margin: 12px 0 0; }
.footer-nav ul { display: grid; gap: 10px; }
.footer-nav a { font-size: 0.88rem; opacity: 0.92; }
.footer-nav a:hover { text-decoration: underline; }
.footer-contacts { display: grid; gap: 8px; font-size: 0.88rem; }
.footer-cat { width: 96px; justify-self: start; }
.footer-bottom {
  margin-top: 34px; padding-top: 18px; padding-bottom: 22px;
  border-top: 1px solid rgba(245, 229, 215, 0.28); font-size: 0.78rem; opacity: 0.85;
}

/* ---------- floating ---------- */
.fab {
  position: fixed; right: 16px; z-index: 60;
  display: flex; align-items: center; justify-content: center;
  width: 50px; height: 50px; padding: 0; border-radius: 50%; cursor: pointer;
  border: 1px solid var(--color-primary); background: var(--color-primary);
  color: var(--color-bg); transition: background var(--transition), opacity var(--transition),
  visibility var(--transition), transform var(--transition);
}
.fab svg { width: 22px; height: 22px; }
.fab-msg { bottom: 16px; }
.fab-msg:hover { background: var(--color-primary-dark); }
.fab-top {
  bottom: 76px; background: var(--color-bg); color: var(--color-primary);
  opacity: 0; visibility: hidden;
}
.fab-top.is-visible { opacity: 1; visibility: visible; }
.fab-top:hover { background: var(--color-bg-alt); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 500ms ease, transform 500ms ease; }
.reveal.in-view { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- 480px ---------- */
@media (min-width: 480px) {
  .strip-inner { gap: 28px 24px; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .ph-tile { min-height: 180px; }
}

/* ---------- 768px ---------- */
@media (min-width: 768px) {
  :root { --section-py: 104px; }
  body { font-size: 17px; }
  .burger { display: none; }
  .nav { margin-left: auto; }
  .nav ul { display: flex; }
  .header-side { display: flex; }
  .header-inner { min-height: 82px; gap: 32px; }
  .logo img { width: 200px; }
  .hero { padding: 84px 0 96px; }
  .hero-inner { grid-template-columns: 1.05fr 0.95fr; align-items: center; gap: 56px; }
  .strip-inner { grid-template-columns: repeat(4, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .usp-grid { gap: 32px; }
  .about-inner { grid-template-columns: 0.9fr 1.1fr; align-items: center; gap: 56px; }
  .gallery { grid-template-columns: repeat(4, 1fr); }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .contacts-inner { grid-template-columns: 1fr 1.15fr; gap: 44px; align-items: start; }
  .footer-inner { grid-template-columns: 1.2fr 0.8fr 1fr auto; gap: 40px; align-items: start; }
  .footer-cat { width: 120px; justify-self: end; align-self: end; }
  .fab { right: 26px; }
  .fab-msg { bottom: 26px; }
  .fab-top { bottom: 90px; }
}

/* map fallback: iframe may be blocked or offline */
.map-wrap { background: var(--color-accent); border-radius: var(--radius); }
.map-link {
  display: inline-block; margin-top: 10px; font-size: 0.84rem; font-weight: 600;
  color: var(--color-primary); border-bottom: 1px solid var(--color-primary); padding-bottom: 2px;
}