/* ============================================================
   HTA GROUP — Vệ sinh công nghiệp Hương Thảo An
   Modern redesign. Palette: evergreen ink, teal wash, lime accent.
   Fonts: Baloo 2 (display) + Be Vietnam Pro (body) — full Vietnamese.
   ============================================================ */
:root {
  --ink: #0b2b26;
  --ink-soft: #3d5a52;
  --teal: #0e8a6d;
  --teal-dark: #0a6b54;
  --teal-deep: #06332b;
  --lime: #c9ef6d;
  --lime-dark: #a8d43e;
  --paper: #f6f5f0;
  --card: #ffffff;
  --line: #e3e2da;
  --radius: 18px;
  --shadow: 0 12px 30px rgba(6, 51, 43, 0.10);
  --shadow-sm: 0 4px 14px rgba(6, 51, 43, 0.08);
  --font-display: 'Baloo 2', 'Be Vietnam Pro', Arial, sans-serif;
  --font-body: 'Be Vietnam Pro', Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 16.5px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal-dark); text-decoration: none; }
a:hover { color: var(--teal); }
ul { list-style: none; }

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; letter-spacing: -0.01em; }

.container { width: min(1180px, 92%); margin: 0 auto; }
.section { padding: clamp(56px, 8vw, 104px) 0; }
.section-title {
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  font-weight: 800;
  color: var(--ink);
}
.section-kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-dark);
  background: rgba(14, 138, 109, 0.10);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 14px;
}
.section-intro {
  max-width: 640px;
  color: var(--ink-soft);
  margin: 14px auto 0;
}
.section-head { text-align: center; margin-bottom: clamp(30px, 5vw, 54px); }

/* Buttons — one rounded corner style everywhere */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 13px 26px;
  border-radius: 14px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
}
.btn--primary { background: var(--teal); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--teal-dark); color: #fff; transform: translateY(-2px); }
.btn--lime { background: var(--lime); color: var(--ink); }
.btn--lime:hover { background: var(--lime-dark); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--teal-dark); border-color: var(--teal-dark); }
.btn--ghost:hover { background: var(--teal-dark); color: #fff; }
.btn--white { background: #fff; color: var(--teal-deep); }
.btn--white:hover { transform: translateY(-2px); color: var(--teal-deep); }

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  width: min(1240px, 94%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 74px;
}
.brand { display: flex; align-items: center; gap: 11px; min-width: 0; flex-shrink: 1; overflow: hidden; }
.brand__mark {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-deep) 100%);
  color: var(--lime);
  display: flex; align-items: center; justify-content: center;
}
.brand__text { font-family: var(--font-display); font-weight: 800; font-size: 1.32rem; color: var(--ink); line-height: 1.05; white-space: nowrap; }
.brand__text em { font-style: normal; color: var(--teal); }
.brand__text small { display: block; font-family: var(--font-body); font-size: 0.6rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); }
.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav > a, .nav-drop-link {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.94rem; font-weight: 600; color: var(--ink);
  padding: 9px 13px; border-radius: 10px;
  transition: background 0.15s ease, color 0.15s ease;
}
.main-nav > a:hover, .nav-drop-link:hover { background: rgba(14, 138, 109, 0.08); color: var(--teal-dark); }
.nav-cta {
  background: var(--teal); color: #fff !important;
  border-radius: 12px; padding: 10px 18px !important;
  box-shadow: var(--shadow-sm);
}
.nav-cta:hover { background: var(--teal-dark); }
.nav-dropdown { position: relative; }
.nav-drop-panel {
  position: absolute; top: calc(100% + 8px); left: 0;
  min-width: 320px;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 10px;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: all 0.18s ease;
}
.nav-dropdown:hover .nav-drop-panel, .nav-dropdown:focus-within .nav-drop-panel {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.nav-drop-panel a { display: block; padding: 9px 12px; border-radius: 9px; font-size: 0.9rem; font-weight: 500; color: var(--ink); }
.nav-drop-panel a:hover { background: rgba(14, 138, 109, 0.08); color: var(--teal-dark); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; flex-shrink: 0; position: relative; z-index: 70; }
.nav-toggle__bar { display: block; width: 24px; height: 3px; border-radius: 3px; background: var(--ink); margin: 5px 0; transition: transform 0.2s ease, opacity 0.2s ease; }
.nav-toggle.open .nav-toggle__bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle.open .nav-toggle__bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============ HERO ============ */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--teal-deep);
  color: #fff;
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media img, .hero-media .hero-fade-slide { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(100deg, rgba(6, 51, 43, 0.92) 8%, rgba(6, 51, 43, 0.62) 52%, rgba(6, 51, 43, 0.28) 100%);
}
.hero-content {
  position: relative; z-index: 2;
  padding: clamp(72px, 12vw, 150px) 0;
  width: min(1180px, 92%); margin: 0 auto;
}
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(201, 239, 109, 0.16); color: var(--lime);
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 7px 16px; border-radius: 999px; border: 1px solid rgba(201, 239, 109, 0.4);
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.6rem);
  font-weight: 800;
  max-width: 15ch;
  text-shadow: 0 2px 24px rgba(6, 51, 43, 0.5);
}
.hero h1 em { font-style: normal; color: var(--lime); }
.hero-lede { max-width: 560px; margin: 20px 0 32px; color: rgba(255, 255, 255, 0.92); font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 48px; }
.hero-badges strong { display: block; font-family: var(--font-display); font-size: 1.7rem; color: var(--lime); }
.hero-badges span { font-size: 0.86rem; color: rgba(255, 255, 255, 0.82); }

/* ============ FEATURE STRIP ============ */
.feature-strip { background: #fff; border-bottom: 1px solid var(--line); }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.feature-item { display: flex; gap: 14px; align-items: flex-start; padding: 30px 26px; border-left: 1px solid var(--line); }
.feature-item:first-child { border-left: 0; }
.feature-item svg { flex-shrink: 0; color: var(--teal); margin-top: 3px; }
.feature-item h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 4px; }
.feature-item p { font-size: 0.88rem; color: var(--ink-soft); }

/* ============ SERVICES ============ */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.svc-card {
  background: var(--card); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.svc-card__media { aspect-ratio: 3 / 2; overflow: hidden; }
.svc-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.svc-card:hover .svc-card__media img { transform: scale(1.05); }
.svc-card__body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.svc-card__body h3 { font-size: 1.22rem; font-weight: 700; margin-bottom: 8px; }
.svc-card__body p { font-size: 0.93rem; color: var(--ink-soft); flex: 1; }
.svc-card__link {
  margin-top: 16px; font-weight: 700; font-size: 0.9rem;
  display: inline-flex; align-items: center; gap: 6px; color: var(--teal-dark);
}
.svc-card__link::after { content: "›"; font-size: 1.1rem; transition: transform 0.15s ease; }
.svc-card__link:hover::after { transform: translateX(3px); }

/* ============ WHY / STATS ============ */
.why { background: var(--teal-deep); color: #fff; }
.why .section-title, .why h3 { color: #fff; }
.why .section-kicker { background: rgba(201, 239, 109, 0.14); color: var(--lime); }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 40px; }
.why-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 28px 26px;
}
.why-item strong { font-family: var(--font-display); font-size: 1.15rem; display: block; margin-bottom: 8px; color: var(--lime); }
.why-item p { font-size: 0.93rem; color: rgba(255, 255, 255, 0.85); }

/* ============ CLIENTS ============ */
.client-chips { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; max-width: 900px; margin: 0 auto; }
.client-chips span {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 10px 22px; font-size: 0.92rem; font-weight: 600; color: var(--ink);
  box-shadow: var(--shadow-sm);
}

/* ============ BLOG CARDS (compiled) ============ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.post-card {
  background: var(--card); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.post-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.post-card__media { aspect-ratio: 16 / 10; overflow: hidden; display: block; }
.post-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.post-card:hover .post-card__media img { transform: scale(1.05); }
.post-card__body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.post-card__meta { font-size: 0.78rem; color: var(--ink-soft); margin-bottom: 10px; }
.post-card__tags { color: var(--teal-dark); font-weight: 700; }
.post-card__dot { opacity: 0.5; margin: 0 4px; }
.post-card__title { font-size: 1.14rem; font-weight: 700; line-height: 1.3; margin-bottom: 8px; }
.post-card__title a { color: var(--ink); }
.post-card__title a:hover { color: var(--teal-dark); }
.post-card__excerpt {
  font-size: 0.9rem; color: var(--ink-soft); flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.post-card__link { margin-top: 14px; font-weight: 700; font-size: 0.88rem; color: var(--teal-dark); }
.post-card__link::after { content: "›"; margin-left: 5px; }

/* ============ CONTACT ============ */
.contact { background: #fff; }
.contact-wrap {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(30px, 5vw, 64px);
  background: var(--teal-deep); border-radius: 26px; overflow: hidden;
  color: #fff; box-shadow: var(--shadow);
}
.contact-info { padding: clamp(30px, 4vw, 54px); display: flex; flex-direction: column; justify-content: center; }
.contact-info .section-title { color: #fff; margin-bottom: 14px; }
.contact-info p { color: rgba(255, 255, 255, 0.85); margin-bottom: 22px; }
.contact-rows { display: grid; gap: 14px; }
.contact-row { display: flex; gap: 12px; align-items: flex-start; font-size: 0.95rem; }
.contact-row svg { flex-shrink: 0; color: var(--lime); margin-top: 3px; }
.contact-row a { color: #fff; }
.contact-row a:hover { color: var(--lime); }
.contact-form-side { background: #fff; padding: clamp(30px, 4vw, 54px); color: var(--ink); }
.contact-form-side h3 { font-size: 1.4rem; margin-bottom: 6px; }
.contact-form-side > p { font-size: 0.92rem; color: var(--ink-soft); margin-bottom: 24px; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form label { font-size: 0.82rem; font-weight: 600; color: var(--ink); grid-column: span 2; display: flex; flex-direction: column; gap: 6px; }
.contact-form label.half { grid-column: span 1; }
.contact-form input, .contact-form select, .contact-form textarea {
  font-family: var(--font-body); font-size: 0.95rem; color: var(--ink);
  border: 1.5px solid var(--line); border-radius: 12px;
  padding: 12px 14px; background: var(--paper); width: 100%;
  transition: border-color 0.15s ease;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: none; border-color: var(--teal); }
.contact-form textarea { min-height: 110px; resize: vertical; }
.contact-form .full-btn { grid-column: span 2; }
.contact-form button { width: 100%; font-size: 1rem; }
#formStatus { grid-column: span 2; font-size: 0.9rem; }

/* ============ SERVICE / EXPERT PAGES ============ */
.page-hero {
  position: relative; color: #fff; overflow: hidden;
  background: var(--teal-deep);
}
.page-hero__media { position: absolute; inset: 0; z-index: 0; }
.page-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.page-hero__overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(6,51,43,0.93) 10%, rgba(6,51,43,0.55) 70%); }
.page-hero__content { position: relative; z-index: 2; padding: clamp(60px, 9vw, 110px) 0; width: min(1180px, 92%); margin: 0 auto; }
.page-hero h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 800; max-width: 18ch; text-shadow: 0 2px 20px rgba(6,51,43,0.5); }
.page-hero p { max-width: 600px; margin-top: 14px; color: rgba(255,255,255,0.9); }

.breadcrumb-wrap { padding: 18px 0 0; }
.breadcrumb { width: min(1180px, 92%); margin: 0 auto; font-size: 0.84rem; color: var(--ink-soft); }
.breadcrumb a { color: var(--teal-dark); font-weight: 600; }
.breadcrumb span.sep { margin: 0 8px; opacity: 0.5; }

.svc-detail { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.svc-detail__img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.svc-detail__img img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.svc-detail h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 14px; }
.svc-detail p { color: var(--ink-soft); margin-bottom: 14px; }
.check-list { display: grid; gap: 12px; margin: 20px 0 26px; }
.check-list li { display: flex; gap: 11px; align-items: flex-start; font-size: 0.97rem; }
.check-list svg { flex-shrink: 0; color: var(--teal); margin-top: 3px; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; box-shadow: var(--shadow-sm); }
.step-card b {
  counter-increment: step;
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 12px;
  background: rgba(14, 138, 109, 0.1); color: var(--teal-dark);
  font-family: var(--font-display); font-size: 1.15rem; margin-bottom: 14px;
}
.step-card b::before { content: counter(step); }
.step-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.step-card p { font-size: 0.88rem; color: var(--ink-soft); }
.cta-band {
  background: linear-gradient(120deg, var(--teal) 0%, var(--teal-dark) 100%);
  color: #fff; border-radius: 24px; padding: clamp(34px, 5vw, 58px);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px;
}
.cta-band h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); max-width: 22ch; }

/* ============ EXPERT PAGE ============ */
.about-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 60px); align-items: center; }
.about-split__img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.value-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 40px; }
.value-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 20px; text-align: center; box-shadow: var(--shadow-sm); }
.value-card b { display: block; font-family: var(--font-display); font-size: 1.6rem; color: var(--teal); margin-bottom: 8px; }
.value-card h3 { font-size: 1.02rem; margin-bottom: 6px; }
.value-card p { font-size: 0.84rem; color: var(--ink-soft); }

/* ============ POST PAGES (blog template) ============ */
.page-shell { min-height: 60vh; }
.post-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(28px, 4vw, 56px); width: min(1180px, 92%); margin: clamp(24px, 4vw, 48px) auto; align-items: start; }
.post-article { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: clamp(26px, 4vw, 52px); }
.post-tags { font-size: 0.82rem; font-weight: 700; color: var(--teal-dark); margin-bottom: 14px; }
.post-hero h1 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); font-weight: 800; margin-bottom: 20px; }
.post-article h2 { font-size: 1.5rem; margin: 34px 0 12px; }
.post-article h3 { font-size: 1.2rem; margin: 26px 0 10px; }
.post-article p { color: var(--ink-soft); margin-bottom: 14px; }
.post-article img { border-radius: 14px; margin: 22px 0; }
.post-article ul { list-style: disc; padding-left: 22px; color: var(--ink-soft); margin: 0 0 14px; }
.post-article ol { padding-left: 22px; color: var(--ink-soft); margin: 0 0 14px; }
.post-article figure { margin: 22px 0; }
.post-aside__card { background: var(--teal-deep); color: #fff; border-radius: var(--radius); padding: 30px 26px; position: sticky; top: 96px; display: grid; gap: 12px; }
.post-aside__card h3 { color: #fff; font-size: 1.25rem; }
.post-aside__card p { font-size: 0.9rem; color: rgba(255,255,255,0.85); }
.related-wrap { width: min(1180px, 92%); margin: 0 auto clamp(50px, 7vw, 90px); }
.related-wrap .section-title { margin-bottom: 26px; font-size: 1.7rem; }
.related-wrap .blog-grid { grid-template-columns: repeat(3, 1fr); }

/* ============ FOOTER ============ */
.site-footer { background: var(--teal-deep); color: rgba(255, 255, 255, 0.82); margin-top: auto; }
.footer-main {
  width: min(1180px, 92%); margin: 0 auto;
  display: grid; grid-template-columns: 1.3fr 1fr 1.2fr 1fr; gap: 36px;
  padding: clamp(44px, 6vw, 70px) 0 40px;
}
.footer-logo { font-family: var(--font-display); font-size: 1.7rem; font-weight: 800; color: #fff; }
.footer-logo em { font-style: normal; color: var(--lime); }
.footer-tagline { font-size: 0.92rem; color: var(--lime); font-weight: 600; margin: 6px 0 12px; }
.footer-name { font-size: 0.86rem; margin-bottom: 16px; }
.footer-certs { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-certs span {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em;
  border: 1px solid rgba(255,255,255,0.25); border-radius: 999px; padding: 5px 12px;
}
.footer-col h4 { color: #fff; font-size: 1rem; margin: 0 0 14px; }
.footer-col h4 + p, .footer-col p { font-size: 0.88rem; margin-bottom: 8px; }
.footer-col h4:not(:first-child) { margin-top: 22px; }
.footer-col ul { display: grid; gap: 9px; }
.footer-col ul a { font-size: 0.9rem; color: rgba(255,255,255,0.82); }
.footer-col ul a:hover { color: var(--lime); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.14); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; width: min(1180px, 92%); margin: 0 auto; padding: 20px 0; font-size: 0.84rem; }
.call-fab {
  position: fixed; right: 20px; bottom: 20px; z-index: 80;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--teal); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(6, 51, 43, 0.35);
  transition: transform 0.15s ease, background 0.15s ease;
}
.call-fab:hover { transform: scale(1.07); background: var(--teal-dark); color: #fff; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-item:nth-child(3) { border-left: 0; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-main { grid-template-columns: repeat(2, 1fr); }
  .contact-wrap { grid-template-columns: 1fr; }
  .svc-detail, .about-split { grid-template-columns: 1fr; }
  .post-layout { grid-template-columns: 1fr; }
  .post-aside__card { position: static; }
}
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 2px;
    padding: 14px 5% 20px; box-shadow: var(--shadow);
    z-index: 65;
  }
  .main-nav.open { display: flex; }
  .main-nav > a, .nav-drop-link { padding: 13px 14px; font-size: 1rem; }
  .nav-drop-panel { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 0 14px; min-width: 0; }
  .nav-cta { text-align: center; justify-content: center; }
}
@media (max-width: 640px) {
  .svc-grid, .blog-grid, .steps-grid, .feature-grid, .value-grid { grid-template-columns: 1fr; }
  .feature-item { border-left: 0; border-top: 1px solid var(--line); }
  .contact-form { grid-template-columns: 1fr; }
  .contact-form label, .contact-form label.half, .contact-form .full-btn, #formStatus { grid-column: span 1; }
  .footer-main { grid-template-columns: 1fr; }
  .hero-badges { gap: 20px; }
  .brand__text small { display: none; }
}