/* ============================================================
   SKY HORIZON — Design System (Redesign Mockup v1)
   Palette: Deep Navy + Energy Green   |   Fonts: Manrope / Inter
   ============================================================ */

:root {
  --navy: #0a2239;
  --navy-700: #14314e;
  --navy-600: #1f4266;
  --navy-soft: #f2f6fa;
  --green: #76ac36;
  --green-dark: #5b8c26;
  --green-soft: #f1f7e8;
  --ink: #1c2b36;
  --muted: #5b6b78;
  --line: #dfe7ee;
  --white: #ffffff;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 10px 30px rgba(10, 34, 57, 0.08);
  --shadow-lg: 0 24px 60px rgba(10, 34, 57, 0.16);
  --container: 1140px;
  --font-head: "Manrope", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", 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(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

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

h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.15; color: var(--navy); font-weight: 800; letter-spacing: -0.02em; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--green-dark); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--green); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px;
  font-family: var(--font-head); font-weight: 700; font-size: 15px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  cursor: pointer; border: none; white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--green); color: #fff; box-shadow: 0 8px 22px rgba(118, 172, 54, 0.35); }
.btn-primary:hover { background: var(--green-dark); }
.btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255, 255, 255, 0.55); }
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--navy-700); }
.btn-sm { padding: 10px 20px; font-size: 14px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 32px; height: 78px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 42px; height: 42px; flex: none; object-fit: contain; }
.brand-text { line-height: 1.1; }
.brand-text strong { font-family: var(--font-head); font-weight: 800; font-size: 18px; color: var(--navy); letter-spacing: 0.02em; display: block; }
.brand-text span { font-size: 10.5px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); font-weight: 600; }

.site-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.site-nav a {
  padding: 9px 15px; border-radius: 999px; font-weight: 600; font-size: 14.5px; color: var(--ink);
  transition: background 0.15s ease, color 0.15s ease;
}
.site-nav a:hover { background: var(--navy-soft); color: var(--navy); }
.site-nav a.active { background: var(--navy); color: #fff; }

.header-cta { margin-left: 8px; }

/* Hamburger (mobile) */
.nav-toggle { display: none; }
.nav-burger { display: none; flex-direction: column; gap: 5px; margin-left: auto; padding: 10px; cursor: pointer; }
.nav-burger span { width: 24px; height: 2.5px; background: var(--navy); border-radius: 2px; transition: 0.2s; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #0a2239 0%, #123a5f 55%, #1b4d77 100%);
  color: #fff;
}
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center; padding: 96px 24px 110px; max-width: var(--container); margin: 0 auto; }
.hero h1 { color: #fff; font-size: clamp(2.1rem, 4.6vw, 3.4rem); margin: 6px 0 20px; }
.hero .hero-sub { font-size: 17.5px; color: rgba(255, 255, 255, 0.82); max-width: 540px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(118, 172, 54, 0.16); border: 1px solid rgba(118, 172, 54, 0.45);
  color: #b7e07d; font-size: 12.5px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 7px 16px; border-radius: 999px;
}
.hero-visual { position: relative; min-height: 380px; }
.hero-visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-glow { position: absolute; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(118, 172, 54, 0.35), transparent 65%); top: 8%; right: -6%; filter: blur(10px); }

@keyframes spin { to { transform: rotate(360deg); } }
.rotor { transform-origin: 50% 50%; animation: spin 14s linear infinite; }

/* ---------- KPI band ---------- */
.kpi-band { background: var(--white); border-bottom: 1px solid var(--line); }
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.kpi {
  padding: 38px 30px; text-align: center; border-right: 1px solid var(--line);
}
.kpi:last-child { border-right: none; }
.kpi strong { display: block; font-family: var(--font-head); font-size: 2.3rem; font-weight: 800; color: var(--navy); line-height: 1; }
.kpi strong em { font-style: normal; color: var(--green); }
.kpi span { font-size: 13px; color: var(--muted); font-weight: 600; letter-spacing: 0.03em; }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--navy-soft); }
.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: 14px; }
.section-head p { color: var(--muted); font-size: 16.5px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head.center .eyebrow::before { display: none; }

/* ---------- Cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }

.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; box-shadow: var(--shadow); transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card-icon {
  width: 52px; height: 52px; border-radius: 13px; background: var(--green-soft);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.card-icon svg { width: 27px; height: 27px; }
.card h3 { font-size: 18.5px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 14.5px; }
.card .card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-weight: 700; font-size: 14px; color: var(--green-dark); }
.card .card-link:hover { color: var(--navy); }

/* ---------- Trust strip ---------- */
.trust-strip { padding: 34px 0; border-bottom: 1px solid var(--line); background: var(--white); }
.trust-strip .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.trust-label { font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.trust-logos { display: flex; align-items: center; gap: 38px; flex-wrap: wrap; }
.trust-logo { font-family: var(--font-head); font-weight: 800; font-size: 17px; color: #9fb0bd; letter-spacing: 0.02em; white-space: nowrap; }
.trust-logo:hover { color: var(--navy); }

/* ---------- Why us / feature ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.feature { display: flex; gap: 18px; align-items: flex-start; padding: 26px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.feature-icon { width: 44px; height: 44px; flex: none; border-radius: 12px; background: var(--navy); display: flex; align-items: center; justify-content: center; }
.feature-icon svg { width: 22px; height: 22px; }
.feature h4 { font-size: 16.5px; margin-bottom: 6px; }
.feature p { font-size: 14px; color: var(--muted); }

/* ---------- Project spotlight ---------- */
.spotlight { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 0; background: var(--navy); border-radius: 22px; overflow: hidden; box-shadow: var(--shadow-lg); }
.spotlight-visual { position: relative; min-height: 300px; }
.spotlight-visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.spotlight-body { padding: 38px 42px; color: #fff; }
.spotlight-body h3 { color: #fff; font-size: 26px; margin-bottom: 14px; }
.spotlight-body p { color: rgba(255, 255, 255, 0.78); font-size: 15.5px; margin-bottom: 22px; }
.spotlight-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.tag { font-size: 12.5px; font-weight: 600; padding: 6px 14px; border-radius: 999px; background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.18); }
.spot-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.spot-metrics div { background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 12px; padding: 14px 16px; }
.spot-metrics strong { display: block; font-family: var(--font-head); font-size: 20px; color: #b7e07d; }
.spot-metrics span { font-size: 12px; color: rgba(255, 255, 255, 0.7); }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--green-dark), var(--green)); padding: 64px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-inner h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 8px; }
.cta-inner p { color: rgba(255, 255, 255, 0.85); font-size: 15.5px; }
.cta-inner .btn { background: #fff; color: var(--navy); }
.cta-inner .btn:hover { background: var(--navy); color: #fff; }

/* ---------- Page hero (subpages) ---------- */
.page-hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #0a2239 0%, #123a5f 60%, #1b4d77 100%);
  color: #fff; padding: 76px 0 84px;
}
.page-hero::after {
  content: ""; position: absolute; right: -120px; bottom: -180px; width: 460px; height: 460px;
  border-radius: 50%; background: radial-gradient(circle, rgba(118, 172, 54, 0.3), transparent 65%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: clamp(2rem, 4vw, 2.9rem); margin: 8px 0 16px; }
.page-hero p { color: rgba(255, 255, 255, 0.8); font-size: 17px; max-width: 640px; }
.page-hero .hero-badge { margin-bottom: 4px; }

/* ---------- About blocks ---------- */
.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: center; }
.split h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 16px; }
.split p { color: var(--muted); margin-bottom: 14px; font-size: 15.5px; }
.split .lead { color: var(--ink); font-size: 17.5px; font-weight: 500; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; padding: 9px 0; font-size: 15px; color: var(--ink); font-weight: 500; }
.check-list li svg { width: 20px; height: 20px; flex: none; margin-top: 2px; }
.check-list li span { color: var(--muted); font-weight: 400; display: block; font-size: 14px; }

.visual-card {
  border-radius: 22px; overflow: hidden; background: var(--navy);
  box-shadow: var(--shadow-lg); position: relative; min-height: 400px;
}
.visual-card svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.visual-card .caption { position: absolute; left: 18px; bottom: 18px; background: rgba(10, 34, 57, 0.85); color: #fff; font-size: 12.5px; padding: 8px 16px; border-radius: 999px; }

/* ---------- Values ---------- */
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }

/* ---------- Services page ---------- */
.service-card {
  display: grid; grid-template-columns: auto 1fr 250px; gap: 28px; align-items: stretch;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 32px; box-shadow: var(--shadow);
}
.service-num { font-family: var(--font-head); font-size: 40px; font-weight: 800; color: var(--line); line-height: 1; }
.service-card h3 { font-size: 21px; margin-bottom: 10px; }
.service-card .svc-desc { color: var(--muted); font-size: 15px; margin-bottom: 16px; }
.svc-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 24px; }
.svc-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: var(--ink); }
.svc-list li::before { content: "✓"; color: var(--green); font-weight: 800; flex: none; }
/* Service image slot — swap the placeholder div for <img src="images/services/xx.jpg"> once field photos are ready */
.svc-media {
  border-radius: 14px; overflow: hidden; height: 200px;
  background: #EEF4E6; border: 1.5px dashed #A9CE79;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
}
.svc-media svg { width: 36px; height: 36px; }
.svc-media span { font-size: 11.5px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: #7A9A4E; }
.svc-media img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---------- Process timeline ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
.process-step { position: relative; padding: 30px 26px; border-top: 4px solid var(--line); }
.process-step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; top: -18px; left: 26px; width: 34px; height: 34px; border-radius: 50%;
  background: var(--navy); color: #fff; font-family: var(--font-head); font-weight: 800; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.process-step h4 { font-size: 16px; margin: 10px 0 8px; }
.process-step p { font-size: 13.5px; color: var(--muted); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: start; }
.info-card { display: flex; gap: 18px; padding: 24px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 18px; box-shadow: var(--shadow); }
.info-icon { width: 46px; height: 46px; flex: none; border-radius: 12px; background: var(--green-soft); display: flex; align-items: center; justify-content: center; }
.info-icon svg { width: 22px; height: 22px; }
.info-card h4 { font-size: 15.5px; margin-bottom: 4px; }
.info-card p, .info-card a { font-size: 14.5px; color: var(--muted); }
.info-card a:hover { color: var(--green-dark); }

.form-card { background: var(--white); border: 1px solid var(--line); border-radius: 20px; padding: 40px; box-shadow: var(--shadow-lg); }
.form-card h3 { font-size: 22px; margin-bottom: 6px; }
.form-card > p { color: var(--muted); font-size: 14.5px; margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 14.5px; color: var(--ink); background: #fbfdfe; transition: border 0.15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--green); background: #fff; }
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 12px; }

.coverage { margin-top: 96px; }
.coverage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.coverage-item { text-align: center; padding: 26px 20px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.coverage-item strong { display: block; font-family: var(--font-head); color: var(--navy); font-size: 15.5px; margin-top: 10px; }
.coverage-item span { font-size: 13px; color: var(--muted); }

/* ---------- Projects page ---------- */
.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.project-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.proj-visual { position: relative; height: 148px; background: var(--navy); }
.proj-visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.proj-visual .proj-cat {
  position: absolute; top: 12px; left: 12px; z-index: 3;
  background: rgba(118, 172, 54, 0.92); color: #fff; font-size: 11.5px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; padding: 5px 13px; border-radius: 999px;
}
.proj-body { padding: 20px 24px 22px; display: flex; flex-direction: column; flex: 1; }
.proj-body h3 { font-size: 18px; margin-bottom: 8px; }
.proj-body p { color: var(--muted); font-size: 14px; }
.proj-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 0; }
.proj-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
  margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line);
}
.proj-stats div { text-align: center; }
.proj-stats strong { display: block; font-family: var(--font-head); font-size: 16.5px; font-weight: 800; color: var(--navy); line-height: 1.1; }
.proj-stats span { font-size: 11px; color: var(--muted); font-weight: 600; }
.proj-card-cta { margin-top: auto; padding-top: 12px; }
.proj-card-cta a { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: 14px; color: var(--green-dark); }
.proj-card-cta a:hover { color: var(--navy); }

/* ---------- Blog page ---------- */
.post-featured {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 0; overflow: hidden;
  background: var(--white); border: 1px solid var(--line); border-radius: 22px;
  box-shadow: var(--shadow-lg); margin-bottom: 40px;
}
.post-featured .post-visual { position: relative; min-height: 320px; background: var(--navy); }
.post-featured .post-visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.post-featured .post-body { padding: 46px 44px; display: flex; flex-direction: column; }
.post-featured h2 { font-size: clamp(1.3rem, 2.4vw, 1.8rem); margin: 14px 0; }
.post-featured h2 a { color: var(--navy); }
.post-featured h2 a:hover { color: var(--green-dark); }
.post-featured p { color: var(--muted); font-size: 15px; }
.post-featured .read-more { margin-top: auto; padding-top: 22px; }

.post-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 12.5px; color: var(--muted); font-weight: 600; }
.post-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--line); }
.post-tag {
  background: var(--green-soft); color: var(--green-dark); font-size: 11.5px; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase; padding: 5px 13px; border-radius: 999px;
}
.read-more { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: 14.5px; color: var(--green-dark); }
.read-more:hover { color: var(--navy); }

.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.post-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.post-card .post-visual { position: relative; height: 170px; background: var(--navy); }
.post-card .post-visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.post-card .post-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.post-card h3 { font-size: 17.5px; margin: 12px 0 8px; }
.post-card h3 a { color: var(--navy); }
.post-card h3 a:hover { color: var(--green-dark); }
.post-card p { color: var(--muted); font-size: 14px; }
.post-card .read-more { margin-top: auto; padding-top: 16px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: rgba(255, 255, 255, 0.7); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 52px; }
.footer-brand .brand-text strong { color: #fff; }
.footer-brand .brand-text span { color: rgba(255, 255, 255, 0.45); }
.footer-brand p { font-size: 14px; margin-top: 18px; max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 18px; }
.footer-col li { margin-bottom: 11px; font-size: 14px; }
.footer-col a:hover { color: #b7e07d; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact svg { width: 16px; height: 16px; flex: none; margin-top: 3px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); padding: 22px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 13px; }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .hero-inner { grid-template-columns: 1fr; padding: 64px 24px 80px; }
  .hero-visual { min-height: 260px; order: -1; }
  .grid-3, .values-grid, .coverage-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi:nth-child(2) { border-right: none; }
  .kpi:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .split, .spotlight, .contact-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .post-featured { grid-template-columns: 1fr; }
  .post-featured .post-visual { min-height: 220px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .process { grid-template-columns: repeat(2, 1fr); row-gap: 26px; }
  .svc-list { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav-burger { display: flex; }
  .header-cta { display: none; }
  .site-nav {
    display: none; position: absolute; top: 78px; left: 0; right: 0;
    background: var(--white); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; padding: 14px 24px 22px; gap: 4px;
    box-shadow: var(--shadow-lg);
  }
  .site-nav a { padding: 12px 14px; border-radius: 10px; }
  .nav-toggle:checked ~ .site-nav { display: flex; }
  .nav-toggle:checked ~ .nav-burger span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav-toggle:checked ~ .nav-burger span:nth-child(2) { opacity: 0; }
  .nav-toggle:checked ~ .nav-burger span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
  .section { padding: 72px 0; }
}

@media (max-width: 640px) {
  .grid-3, .grid-2, .feature-grid, .values-grid, .coverage-grid, .form-row, .post-grid { grid-template-columns: 1fr; }
  .post-featured .post-body { padding: 30px 26px; }
  .proj-stats { grid-template-columns: repeat(3, 1fr); }
  .spot-metrics { grid-template-columns: repeat(3, 1fr); }
  .service-card { grid-template-columns: 1fr; gap: 16px; }
  .svc-media { min-height: 150px; }
  .footer-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr; }
  .kpi { border-right: none; border-bottom: 1px solid var(--line); }
  .kpi:last-child { border-bottom: none; }
  .form-card { padding: 28px 22px; }
}

/* ---------- Blog article pages ---------- */
.back-link { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 600; color: var(--green-dark); margin-bottom: 22px; }
.back-link:hover { color: var(--navy); }
.article-wrap { max-width: 800px; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); margin-bottom: 16px; }
.article-wrap h1 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); margin-bottom: 16px; }
.article-lead { font-size: 18px; line-height: 1.7; color: var(--ink); margin-bottom: 28px; }
.article-body { padding-bottom: 24px; }
.article-body p { margin-bottom: 18px; color: #2c3e4d; }
.article-body h2 { font-size: 23px; margin: 40px 0 14px; }
.article-body h3 { font-size: 18px; margin: 28px 0 10px; }
.article-body ul { margin: 0 0 18px 0; }
.article-body ul li { position: relative; padding-left: 26px; margin-bottom: 10px; color: #2c3e4d; }
.article-body ul li::before { content: ""; position: absolute; left: 2px; top: 9px; width: 9px; height: 9px; border-radius: 50%; background: var(--green); }
.figure { background: var(--navy); border-radius: 18px; padding: 30px; margin: 30px 0; box-shadow: var(--shadow-lg); }
.figure svg { width: 100%; height: 220px; display: block; }
.figure figcaption { margin-top: 14px; color: rgba(255, 255, 255, 0.65); font-size: 13px; }
.callout { background: var(--green-soft); border: 1px solid #d7e9bf; border-radius: var(--radius); padding: 20px 24px; margin: 26px 0; font-size: 15px; color: #33481e; }
.article-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid var(--line); padding: 26px 0 6px; margin-top: 12px; }
.article-foot p { font-size: 14px; color: var(--muted); max-width: 420px; }
.next-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
.next-post { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease; box-shadow: var(--shadow); }
.next-post:hover { border-color: var(--green); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.next-post span { font-size: 11.5px; color: var(--green-dark); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.next-post strong { display: block; color: var(--navy); font-family: var(--font-head); margin-top: 6px; font-size: 15.5px; line-height: 1.35; }
@media (max-width: 760px) { .next-grid { grid-template-columns: 1fr; } .figure svg { height: 170px; } }