/* ==========================================================================
   Nu Body Spa — Design System
   Quiet-luxury spa neutral: white/cream canvas, black type, warm taupe accent.
   Square corners everywhere (border-radius: 0 site-wide, except round chips).
   Fonts: Montserrat (display/nav, uppercase) + Be Vietnam Pro (body).
   ========================================================================== */

:root {
  --taupe: #A0816C;
  --taupe-soft: #B99C88;
  --cream: #E8DED2;
  --sand: #D0C0A8;
  --black: #101010;
  --white: #FFFFFF;
  --muted: rgba(16, 16, 16, 0.62);
  --line: rgba(16, 16, 16, 0.12);
  --zalo: #0068FF;
  --font-display: "Montserrat", "Be Vietnam Pro", Arial, sans-serif;
  --font-body: "Be Vietnam Pro", "Montserrat", Arial, sans-serif;
  --container: 1200px;
  --header-h: 84px;
  --topbar-h: 38px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--black);
  background: var(--white);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; background: none; border: 0; cursor: pointer; color: inherit; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}
.hidden-field { position: absolute; left: -9999px; opacity: 0; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- Typography ---------- */
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.25;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
h2 { font-size: clamp(1.5rem, 3vw, 2.375rem); margin-bottom: 0.75em; }
h3 { font-size: 1.125rem; letter-spacing: 0.08em; }
p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.32em;
  color: var(--taupe);
  display: block;
  margin-bottom: 14px;
}
.lead { font-size: 1.0625rem; color: var(--muted); }

/* ---------- Buttons: square, uppercase, taupe → black on hover ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: 17px 40px;
  background: var(--taupe);
  color: var(--white);
  border: 1px solid var(--taupe);
  border-radius: 0;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
  text-align: center;
}
.btn:hover, .btn:focus-visible { background: var(--black); border-color: var(--black); color: var(--white); }
.btn--dark { background: var(--black); border-color: var(--black); }
.btn--dark:hover, .btn--dark:focus-visible { background: var(--taupe); border-color: var(--taupe); }
.btn--light { background: var(--white); border-color: var(--white); color: var(--black); }
.btn--light:hover, .btn--light:focus-visible { background: var(--black); border-color: var(--black); color: var(--white); }
.btn--ghost { background: transparent; color: var(--black); border-color: var(--black); }
.btn--ghost:hover, .btn--ghost:focus-visible { background: var(--black); color: var(--white); }
.btn--sm { padding: 12px 26px; font-size: 0.8125rem; }

/* ---------- Top utility bar ---------- */
.topbar {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  font-size: 0.8125rem;
  color: var(--muted);
  position: relative;
  z-index: 60;
}
.topbar__inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--topbar-h); gap: 16px;
}
.topbar__contacts { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.topbar__contacts a { display: inline-flex; align-items: center; gap: 7px; }
.topbar__contacts a:hover { color: var(--taupe); }
.topbar__contacts svg { width: 13px; height: 13px; fill: var(--taupe); flex: none; }
.lang-switch {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.12em;
}
.lang-switch a { color: var(--muted); padding: 2px 2px; }
.lang-switch a:hover { color: var(--taupe); }
.lang-switch .is-active { color: var(--black); border-bottom: 2px solid var(--taupe); }
.lang-switch .sep { color: var(--line); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.25s ease;
}
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(16, 16, 16, 0.08); }
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-h); gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; flex: none; }
.brand img { width: 52px; height: 52px; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name {
  font-family: var(--font-display); font-size: 1.0625rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.22em; color: var(--black);
}
.brand__tag {
  font-family: var(--font-display); font-size: 0.5625rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.34em; color: var(--taupe);
}

.nav { display: flex; align-items: center; gap: 6px; }
.nav > li { position: relative; }
.nav a, .nav .nav__toggle {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-display); font-size: 0.8125rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.12em;
  padding: 10px 14px; color: var(--black);
}
.nav > li > a:hover, .nav .nav__toggle:hover { color: var(--taupe); }
.nav a[aria-current="page"], .nav > li.is-section > a, .nav > li.is-section > .nav__toggle { color: var(--taupe); }
.nav .caret { width: 9px; height: 9px; fill: currentColor; transition: transform 0.2s ease; }

.dropdown {
  position: absolute; top: 100%; left: 0; min-width: 280px;
  background: var(--white); border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(16, 16, 16, 0.10);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  padding: 8px 0; z-index: 55;
}
.nav li:hover > .dropdown,
.nav li:focus-within > .dropdown,
.nav li.is-open > .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a {
  display: block; padding: 11px 22px;
  font-size: 0.8125rem; letter-spacing: 0.06em; text-transform: none;
  font-family: var(--font-body); font-weight: 400;
  border-bottom: 1px solid rgba(162, 132, 55, 0.10);
}
.dropdown li:last-child a { border-bottom: 0; }
.dropdown a:hover { background: var(--cream); color: var(--black); }
.dropdown .dropdown__all { font-weight: 600; color: var(--taupe); }

.header-cta { flex: none; }
.nav .nav__cta-mobile { display: none; }
.nav-burger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 10px; flex: none;
}
.nav-burger span { display: block; height: 2px; background: var(--black); transition: transform 0.25s ease, opacity 0.25s ease; }
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero (home) ---------- */
.hero {
  position: relative; display: flex; align-items: center;
  min-height: calc(92vh - var(--header-h) - var(--topbar-h));
  padding: 90px 0;
  background-size: cover; background-position: center 30%;
  isolation: isolate;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(232, 222, 210, 0.82) 0%, rgba(232, 222, 210, 0.45) 46%, rgba(208, 192, 168, 0.12) 100%);
}
.hero__content { max-width: 640px; }
.hero__welcome {
  font-family: var(--font-display); font-size: clamp(1rem, 2.4vw, 1.625rem);
  font-weight: 400; text-transform: uppercase; letter-spacing: 0.18em;
  margin-bottom: 6px;
}
.hero h1 {
  font-size: clamp(2.1rem, 6vw, 4.6rem);
  font-weight: 600; letter-spacing: 0.09em; line-height: 1.12;
  margin-bottom: 18px;
}
.hero h1 .accent { color: var(--taupe); }
.hero__locality {
  font-family: var(--font-display); font-size: 0.9375rem; font-weight: 500;
  letter-spacing: 0.6em; text-transform: uppercase; color: var(--muted);
  margin-bottom: 22px;
}
.hero__rule { width: 72px; height: 1px; background: var(--black); border: 0; margin: 0 0 22px; }
.hero__tagline {
  font-family: var(--font-display); font-size: clamp(0.9375rem, 1.6vw, 1.125rem);
  font-weight: 300; text-transform: uppercase; letter-spacing: 0.22em;
  margin-bottom: 34px;
}

/* ---------- Bands / sections ---------- */
.band { padding: 92px 0; }
.band--cream { background: var(--cream); }
.band--tight { padding: 64px 0; }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head.align-left { margin-left: 0; text-align: left; }

/* Alternating feature bands */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.feature__media { position: relative; }
.feature__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.feature__media::after {
  content: ""; position: absolute; top: 18px; left: 18px; right: -18px; bottom: -18px;
  border: 1px solid var(--sand); z-index: -1;
}
.feature--flip .feature__media { order: 2; }
.feature--flip .feature__media::after { left: -18px; right: 18px; }
.feature__body .btn { margin-top: 26px; }
.check-list { margin: 18px 0 6px; }
.check-list li { position: relative; padding: 6px 0 6px 34px; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 12px;
  width: 18px; height: 9px;
  border-left: 2px solid var(--taupe); border-bottom: 2px solid var(--taupe);
  transform: rotate(-45deg);
}

/* ---------- Services icon grid (home) ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.svc-card {
  background: var(--white); border: 1px solid var(--line);
  padding: 44px 26px 40px; text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  display: flex; flex-direction: column; align-items: center;
}
.svc-card:hover { transform: translateY(-6px); box-shadow: 0 22px 44px rgba(16, 16, 16, 0.09); border-color: var(--sand); }
.svc-card svg.icon { width: 64px; height: 64px; stroke: var(--taupe); fill: none; stroke-width: 1.4; margin-bottom: 22px; }
.svc-card h3 { margin-bottom: 10px; font-size: 1rem; }
.svc-card p { font-size: 0.875rem; color: var(--muted); margin-bottom: 18px; flex: 1; }
.svc-card .more {
  font-family: var(--font-display); font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--taupe);
}
.svc-card .more:hover { color: var(--black); }

/* ---------- Services hub tile grid ---------- */
.tile-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tile {
  position: relative; display: flex; align-items: flex-end;
  min-height: 340px; padding: 28px; color: var(--white);
  background-size: cover; background-position: center;
  isolation: isolate; overflow: hidden;
}
.tile::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(16, 16, 16, 0.05) 30%, rgba(16, 16, 16, 0.78) 100%);
  transition: background 0.3s ease;
}
.tile:hover::before { background: linear-gradient(180deg, rgba(16, 16, 16, 0.25) 0%, rgba(16, 16, 16, 0.85) 100%); }
.tile h3 { color: var(--white); font-size: 1.125rem; margin-bottom: 8px; }
.tile p { font-size: 0.875rem; color: rgba(255, 255, 255, 0.85); margin: 0; }
.tile .tile__body { transform: translateY(6px); transition: transform 0.3s ease; }
.tile:hover .tile__body { transform: translateY(0); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { background: var(--cream); padding: 64px 0 56px; }
.page-hero h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 500; letter-spacing: 0.1em; margin-bottom: 10px; }
.breadcrumb { font-size: 0.8125rem; color: var(--muted); }
.breadcrumb a:hover { color: var(--taupe); }
.breadcrumb .sep { margin: 0 8px; color: var(--sand); }

/* ---------- Service detail ---------- */
.service-intro .feature__media img { aspect-ratio: 3 / 2; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step-card { background: var(--white); border: 1px solid var(--line); padding: 34px 26px; }
.step-card .step-num {
  font-family: var(--font-display); font-size: 2.25rem; font-weight: 300;
  color: var(--taupe); display: block; margin-bottom: 12px;
}
.step-card h3 { font-size: 0.9375rem; margin-bottom: 10px; }
.step-card p { font-size: 0.875rem; color: var(--muted); margin: 0; }

/* FAQ */
.faq { max-width: 860px; margin: 0 auto; }
.faq details { background: var(--white); border: 1px solid var(--line); margin-bottom: 14px; }
.faq summary {
  cursor: pointer; list-style: none; position: relative;
  font-family: var(--font-display); font-weight: 600; font-size: 0.9375rem;
  letter-spacing: 0.04em; padding: 20px 60px 20px 26px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 24px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 300; color: var(--taupe);
  transition: transform 0.2s ease;
}
.faq details[open] summary::after { content: "–"; }
.faq .faq__a { padding: 0 26px 22px; color: var(--muted); font-size: 0.9375rem; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; padding: 110px 0; text-align: center; color: var(--white);
  background-size: cover; background-position: center; background-attachment: scroll;
  isolation: isolate;
}
.cta-band::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(16, 16, 16, 0.66); }
.cta-band h2 { color: var(--white); font-weight: 400; letter-spacing: 0.12em; }
.cta-band .cta-band__phone {
  display: inline-block; font-family: var(--font-display); font-size: clamp(1.375rem, 3vw, 2rem);
  font-weight: 600; letter-spacing: 0.12em; color: var(--white); margin: 6px 0 30px;
}
.cta-band .cta-band__phone:hover { color: var(--sand); }
.cta-band .btn { margin: 0 8px 10px; }

/* ---------- Testimonials ---------- */
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.quote-card { background: var(--white); border: 1px solid var(--line); padding: 38px 30px; }
.quote-card .stars { color: var(--taupe); letter-spacing: 4px; font-size: 0.9375rem; margin-bottom: 16px; }
.quote-card blockquote { font-size: 0.9375rem; color: var(--muted); margin-bottom: 18px; }
.quote-card cite {
  font-style: normal; font-family: var(--font-display); font-size: 0.8125rem;
  font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
}

/* ---------- Offers / pricing ---------- */
.offer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.offer-card { border: 1px solid var(--line); background: var(--white); padding: 40px 30px; text-align: center; position: relative; }
.offer-card--hot { border-color: var(--taupe); }
.offer-card .badge {
  position: absolute; top: 0; left: 50%; transform: translate(-50%, -50%);
  background: var(--taupe); color: var(--white);
  font-family: var(--font-display); font-size: 0.6875rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase; padding: 6px 16px;
}
.offer-card h3 { margin-bottom: 12px; }
.offer-card .offer-note { font-size: 0.875rem; color: var(--muted); }
.price-table { width: 100%; border-collapse: collapse; background: var(--white); }
.price-table th, .price-table td { border: 1px solid var(--line); padding: 15px 20px; text-align: left; font-size: 0.9375rem; }
.price-table th {
  font-family: var(--font-display); font-size: 0.8125rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em; background: var(--cream);
}
.price-table td:last-child { white-space: nowrap; color: var(--taupe); font-weight: 500; }
.table-scroll { overflow-x: auto; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.contact-list li { display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.contact-list li:last-child { border-bottom: 0; }
.contact-list svg { width: 20px; height: 20px; fill: var(--taupe); flex: none; margin-top: 5px; }
.contact-list strong { font-family: var(--font-display); font-size: 0.8125rem; letter-spacing: 0.12em; text-transform: uppercase; display: block; }
.contact-list a:hover { color: var(--taupe); }
.map-embed { border: 1px solid var(--line); }
.map-embed iframe { display: block; width: 100%; height: 380px; border: 0; }

/* Form */
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form .full { grid-column: 1 / -1; }
.form label {
  display: block; font-family: var(--font-display); font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 8px;
}
.form input, .form select, .form textarea {
  width: 100%; font-family: var(--font-body); font-size: 16px;
  padding: 13px 16px; border: 1px solid var(--line); border-radius: 0;
  background: var(--white); color: var(--black);
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--taupe); outline-offset: 0; border-color: var(--taupe); }
.form textarea { min-height: 120px; resize: vertical; }
.form .btn { justify-self: start; }

/* ---------- Footer ---------- */
.site-footer { background: var(--black); color: rgba(255, 255, 255, 0.78); font-size: 0.9075rem; }
.site-footer__main {
  display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 44px;
  padding: 76px 0 56px;
}
.site-footer h3 { color: var(--white); font-size: 0.875rem; margin-bottom: 20px; }
.site-footer .f-brand img { width: 58px; height: 58px; margin-bottom: 16px; }
.site-footer .f-brand p { font-size: 0.875rem; }
.site-footer li { padding: 5px 0; }
.site-footer a:hover { color: var(--taupe-soft); }
.site-footer .f-contact li { display: flex; gap: 10px; }
.site-footer .f-contact svg { width: 15px; height: 15px; fill: var(--taupe-soft); flex: none; margin-top: 6px; }
.hours-list li { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.site-footer__legal {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 22px 0; font-size: 0.8125rem; color: rgba(255, 255, 255, 0.5);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}

/* ---------- Floating actions (call + Zalo) ---------- */
.float-actions {
  position: fixed; right: 18px; bottom: 20px; z-index: 70;
  display: flex; flex-direction: column; gap: 12px;
}
.fab {
  width: 54px; height: 54px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 22px rgba(16, 16, 16, 0.28);
  transition: transform 0.2s ease;
}
.fab:hover { transform: scale(1.08); }
.fab--call { background: var(--taupe); }
.fab--call svg { width: 24px; height: 24px; fill: var(--white); }
.fab--call { animation: fab-pulse 2.4s infinite; }
.fab--zalo {
  background: var(--zalo); color: var(--white);
  font-family: var(--font-display); font-weight: 700; font-size: 0.8125rem; letter-spacing: 0.02em;
}
@keyframes fab-pulse {
  0% { box-shadow: 0 0 0 0 rgba(160, 129, 108, 0.45); }
  70% { box-shadow: 0 0 0 16px rgba(160, 129, 108, 0); }
  100% { box-shadow: 0 0 0 0 rgba(160, 129, 108, 0); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fab--call { animation: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ---------- Utility pages ---------- */
.center-page { text-align: center; max-width: 640px; margin: 0 auto; padding: 110px 24px; }
.center-page .big { font-size: clamp(3rem, 10vw, 6rem); font-family: var(--font-display); font-weight: 300; color: var(--taupe); line-height: 1; margin-bottom: 18px; }
.center-page .btn { margin-top: 26px; }

/* ---------- Utilities ---------- */
.u-center { text-align: center; }
.u-mt-1 { margin-top: 14px; }
.u-mt-2 { margin-top: 18px; }
.u-mt-3 { margin-top: 22px; }
.u-mt-4 { margin-top: 30px; }
.u-mt-5 { margin-top: 44px; }
.u-mb-2 { margin-bottom: 16px; }
.u-small { font-size: 0.875rem; }
.steps-grid--3 { grid-template-columns: repeat(3, 1fr); }

/* ---------- Page images (kept out of HTML so markup stays style-free) ---------- */
.page-home .hero { background-image: url("/assets/img/hero/hero-home.webp"); }
.cta-band { background-image: url("/assets/img/cta/cta-band.webp"); }
.tile--giam-beo-cong-nghe-cao { background-image: url("/assets/img/services/giam-beo.webp"); }
.tile--cham-soc-da-chuyen-sau { background-image: url("/assets/img/services/cham-soc-da.webp"); }
.tile--tre-hoa-da { background-image: url("/assets/img/services/tre-hoa-da.webp"); }
.tile--triet-long { background-image: url("/assets/img/services/triet-long.webp"); }
.tile--dieu-tri-mun-tham-nam { background-image: url("/assets/img/services/mun-tham-nam.webp"); }
.tile--massage-tri-lieu { background-image: url("/assets/img/services/massage.webp"); }
.tile--tam-trang { background-image: url("/assets/img/services/tam-trang.webp"); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .band { padding: 72px 0; }
  .feature { gap: 40px; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .tile-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer__main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  :root { --header-h: 68px; }
  .nav-burger { display: flex; }
  .header-cta { display: none; }
  .nav-wrap {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white); border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px rgba(16, 16, 16, 0.12);
    display: none; max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .nav-wrap.is-open { display: block; }
  .nav { flex-direction: column; align-items: stretch; padding: 10px 0 20px; gap: 0; }
  .nav a, .nav .nav__toggle { width: 100%; padding: 14px 26px; justify-content: space-between; }
  .dropdown {
    position: static; min-width: 0; opacity: 1; visibility: hidden; transform: none;
    box-shadow: none; border: 0; background: var(--cream); display: none; padding: 0;
  }
  .nav li.is-open > .dropdown { display: block; visibility: visible; }
  .nav li.is-open .caret { transform: rotate(180deg); }
  .dropdown a { padding: 12px 38px; }
  .nav .nav__cta-mobile { display: block; padding: 18px 26px 6px; }
  .nav .nav__cta-mobile .btn { width: 100%; }
  .topbar__contacts .contact-mail { display: none; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 600px) {
  .band { padding: 56px 0; }
  .container { padding: 0 18px; }
  .hero { min-height: 72vh; padding: 64px 0; }
  .hero__locality { letter-spacing: 0.34em; }
  .feature, .feature--flip { grid-template-columns: 1fr; gap: 30px; }
  .feature--flip .feature__media { order: 0; }
  .feature__media::after { display: none; }
  .svc-grid, .steps-grid, .tile-grid, .quote-grid, .offer-grid { grid-template-columns: 1fr; }
  .tile { min-height: 240px; }
  .form { grid-template-columns: 1fr; }
  .site-footer__main { grid-template-columns: 1fr; gap: 34px; padding: 56px 0 40px; }
  .site-footer__legal { justify-content: center; text-align: center; }
  .cta-band { padding: 80px 0; }
  .brand__name { letter-spacing: 0.16em; }
}