/* HSEHQ sales site — S1 MVP
   Clean UK SaaS for construction SMEs. GBP / UK English. */

:root {
  --navy: #12263a;
  --navy-mid: #1a3550;
  --navy-soft: #243b53;
  --ink: #1c2430;
  --muted: #5b6775;
  --line: #d9e0e8;
  --paper: #f7f5f1;
  --white: #ffffff;
  --amber: #c47a1a;
  --amber-dark: #9a5f12;
  --amber-soft: #f8efdf;
  --teal: #1f6f6a;
  --teal-soft: #e6f3f1;
  --warn: #7a4f00;
  --warn-bg: #fff6e5;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(18, 38, 58, 0.06), 0 8px 24px rgba(18, 38, 58, 0.06);
  --max: 1100px;
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  font-size: 1.05rem;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--teal); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--navy); }

:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy);
  color: var(--white);
  padding: 0.75rem 1rem;
  z-index: 1000;
}
.skip-link:focus { left: 0.75rem; top: 0.75rem; }

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header / nav */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--navy);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 6px;
  background: var(--navy);
  color: var(--white);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1rem;
  line-height: 1;
}

.brand-text { font-size: 1.15rem; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem 0.65rem;
  cursor: pointer;
  color: var(--navy);
  font-size: 0.95rem;
}

.nav-toggle[aria-expanded="true"] { background: var(--paper); }

.nav-panel {
  display: flex;
  align-items: center;
  gap: 0.25rem 1.25rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--navy-soft);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.35rem 0;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--navy); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0.7rem 1.15rem;
  font: inherit;
  font-weight: 650;
  font-size: 0.98rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--amber);
  color: var(--white);
  border-color: var(--amber);
}
.btn-primary:hover { background: var(--amber-dark); border-color: var(--amber-dark); color: var(--white); }

.btn-secondary {
  background: var(--white);
  color: var(--navy);
  border-color: var(--line);
}
.btn-secondary:hover { border-color: var(--navy); color: var(--navy); }

.btn-ghost {
  background: transparent;
  color: var(--navy);
  border-color: transparent;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
}
.btn-ghost:hover { color: var(--teal); }

.btn-nav {
  padding: 0.55rem 1rem;
  white-space: nowrap;
}

/* Hero */
.hero {
  padding: 3.5rem 0 2.75rem;
  background:
    linear-gradient(180deg, var(--white) 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 860px) {
  .hero-grid { grid-template-columns: 1.35fr 1fr; gap: 2.5rem; }
}

.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0 0 0.85rem;
}

h1 {
  font-size: clamp(1.85rem, 3.4vw, 2.65rem);
  line-height: 1.15;
  color: var(--navy);
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 1.12rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
  max-width: 42rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.hero-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.35rem 1.4rem;
}

.hero-card h2 {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  color: var(--navy);
}

.module-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.module-chips li {
  background: var(--teal-soft);
  color: var(--navy);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.88rem;
  font-weight: 600;
}

.hero-note {
  margin: 1rem 0 0;
  font-size: 0.92rem;
  color: var(--muted);
}

/* Sections */
.section { padding: 3rem 0; }
.section-alt { background: var(--white); border-block: 1px solid var(--line); }

.section h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  color: var(--navy);
  letter-spacing: -0.015em;
}

.section-intro {
  color: var(--muted);
  max-width: 44rem;
  margin: 0 0 1.75rem;
}

.grid-2, .grid-3, .grid-5 {
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 900px) {
  .grid-5 { grid-template-columns: repeat(5, 1fr); }
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
}

.section-alt .card { background: var(--paper); }

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  color: var(--navy);
}

.card p { margin: 0; color: var(--muted); font-size: 0.98rem; }

.pain-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.pain-list li {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem 1rem 0.9rem 2.6rem;
  position: relative;
  color: var(--ink);
}

.pain-list li::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 1.15rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--amber);
}

.steps {
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.steps li {
  counter-increment: step;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem 1rem 3.4rem;
  position: relative;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 1rem;
  top: 1rem;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 700;
}

.honesty {
  background: var(--amber-soft);
  border: 1px solid #ead7b0;
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  color: var(--warn);
  font-size: 0.98rem;
}

.banner-note {
  background: var(--warn-bg);
  border: 1px solid #f0d9a0;
  border-left: 4px solid var(--amber);
  border-radius: 8px;
  padding: 0.95rem 1.1rem;
  margin: 0 0 1.5rem;
  color: var(--warn);
  font-size: 0.95rem;
}

.banner-note strong { color: var(--navy); }

/* Pricing */
.pricing-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

table.pricing {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

table.pricing th,
table.pricing td {
  text-align: left;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

table.pricing th {
  background: var(--navy);
  color: var(--white);
  font-weight: 650;
  font-size: 0.92rem;
}

table.pricing tr:last-child td { border-bottom: 0; }

table.pricing tr.is-core {
  background: var(--teal-soft);
}

table.pricing .plan-name {
  font-weight: 700;
  color: var(--navy);
}

table.pricing .price {
  font-weight: 750;
  color: var(--navy);
  white-space: nowrap;
}

.badge {
  display: inline-block;
  margin-left: 0.4rem;
  background: var(--navy);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.18rem 0.45rem;
  border-radius: 999px;
  vertical-align: middle;
}

.spine-block {
  display: grid;
  gap: 0.85rem;
  margin-top: 0.5rem;
}

.spine-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 1rem 1.15rem;
}

.spine-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1.02rem;
  color: var(--navy);
}

.spine-item p { margin: 0; color: var(--muted); font-size: 0.96rem; }

.vat-note, .muted {
  color: var(--muted);
  font-size: 0.95rem;
}

/* Demo layout */
.demo-layout {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 880px) {
  .demo-layout { grid-template-columns: 1.45fr 0.9fr; align-items: start; }
}

.form-card, .side-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.35rem 1.4rem;
}

.form-grid {
  display: grid;
  gap: 1rem;
}

.field label {
  display: block;
  font-weight: 650;
  color: var(--navy);
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.field .hint {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 400;
  margin-top: 0.2rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.7rem 0.8rem;
  font: inherit;
  background: var(--paper);
  color: var(--ink);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 3px solid rgba(196, 122, 26, 0.35);
  border-color: var(--amber);
  background: var(--white);
}

.field textarea { min-height: 6rem; resize: vertical; }

.consent {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0.25rem 0 0;
}

.form-actions { margin-top: 0.35rem; }

.thank-you {
  display: none;
  background: var(--teal-soft);
  border: 1px solid #b7d9d5;
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
}

.thank-you.is-visible { display: block; }
.form-card.is-submitted .demo-form { display: none; }

.side-card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  color: var(--navy);
}

.price-stack {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.price-stack li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

.price-stack li:last-child { border-bottom: 0; }
.price-stack strong { color: var(--navy); }

.expect-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
}
.expect-list li { margin-bottom: 0.45rem; }

/* Blog stub */
.stub-panel {
  background: var(--white);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
}

.stub-panel p { color: var(--muted); max-width: 36rem; margin: 0.5rem auto 1.25rem; }

/* Legal */
.legal {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.4rem;
  max-width: 48rem;
}

.legal h2 { margin-top: 1.5rem; font-size: 1.15rem; }
.legal p, .legal li { color: var(--muted); }
.legal ul { padding-left: 1.2rem; }

/* Footer */
.site-footer {
  background: var(--navy);
  color: #c9d4e0;
  padding: 2.5rem 0 1.75rem;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 720px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}

.site-footer a { color: #e8eef5; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }

.site-footer h2 {
  color: var(--white);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}

.footer-brand {
  font-weight: 750;
  color: var(--white);
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.88rem;
  color: #9aabbc;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  justify-content: space-between;
}

/* Mobile nav */
@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; align-items: center; gap: 0.35rem; }

  .nav-panel {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1rem 1rem;
    gap: 0.5rem;
    box-shadow: var(--shadow);
  }

  .nav-panel.is-open { display: flex; }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-links a {
    display: block;
    padding: 0.75rem 0.25rem;
    border-bottom: 1px solid var(--line);
  }

  .btn-nav { width: 100%; margin-top: 0.35rem; }

  .site-header { position: relative; }
  .site-header.is-open { z-index: 200; }
}

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


/* Blog list + article prose (Growth week-1) */
.blog-list {
  display: grid;
  gap: 1rem;
}

.blog-card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.2rem;
  line-height: 1.3;
  color: var(--navy);
}

.blog-card h2 a {
  color: var(--navy);
  text-decoration: none;
}

.blog-card h2 a:hover {
  color: var(--teal);
  text-decoration: underline;
}

.blog-card .eyebrow {
  margin-bottom: 0.45rem;
}

.post-meta {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0 0 1rem;
}

.hero .post-meta {
  margin-top: -0.35rem;
}

.article.legal,
.post-body {
  max-width: 48rem;
}

.post-body h2:first-of-type {
  margin-top: 1.25rem;
}

.post-body ol {
  padding-left: 1.2rem;
  color: var(--muted);
}

.post-body ol li {
  margin-bottom: 0.45rem;
}

.form-error {
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  background: #fdeceb;
  border: 1px solid #f0b4ae;
  border-radius: 8px;
  color: #7a1f16;
  font-size: 0.95rem;
}

.form-error[hidden] {
  display: none;
}