/* ============================================================
   HnS Consultant — stylesheet
   Palette: blueprint / site-plan inspired, navy + steel + amber
   ============================================================ */

:root {
  --navy: #14232f;
  --navy-deep: #0e1920;
  --steel: #2c4a5e;
  --steel-light: #4d7089;
  --amber: #c89b3c;
  --paper: #f6f5f1;
  --paper-dim: #eeebe2;
  --ink: #1d2b33;
  --ink-soft: #56646b;
  --line: #d8d3c7;
  --line-strong: #b9b2a0;
  --white: #ffffff;

  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;

  --max-width: 1120px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--steel);
  text-decoration: none;
}
a:hover { color: var(--navy); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy);
  margin: 0 0 0.5em 0;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em 0; max-width: 62ch; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* Visible keyboard focus */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* ---------- Header / nav ---------- */

.site-header {
  background: var(--navy);
  border-bottom: 1px solid var(--navy-deep);
  position: relative;
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo {
  font-family: var(--font-display);
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  display: flex;
  align-items: baseline;
  gap: 0.4em;
}

.logo .mark {
  color: var(--amber);
}

.logo .sub {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.72rem;
  color: #a9b6c0;
  letter-spacing: 0.04em;
}

nav.primary-nav ul {
  list-style: none;
  display: flex;
  gap: 2.1rem;
  margin: 0;
  padding: 0;
}

nav.primary-nav a {
  color: #cfd8de;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.4em 0.1em;
  border-bottom: 2px solid transparent;
}

nav.primary-nav a:hover,
nav.primary-nav a[aria-current="page"] {
  color: var(--white);
  border-bottom-color: var(--amber);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  width: 42px;
  height: 42px;
  padding: 0;
  cursor: pointer;
  flex: none;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 20px; height: 20px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85em 1.6em;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--amber);
  color: var(--navy-deep);
}
.btn-primary:hover {
  background: #b7893099;
  background: #b78930;
  color: var(--navy-deep);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.4);
  color: var(--white);
}
.btn-outline:hover {
  border-color: var(--white);
  color: var(--white);
}

.btn-outline-dark {
  background: transparent;
  border-color: var(--steel);
  color: var(--navy);
}
.btn-outline-dark:hover {
  border-color: var(--navy);
  background: var(--navy);
  color: var(--white);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  background: var(--navy);
  color: var(--white);
  overflow: hidden;
  padding: 88px 0 96px;
}

.hero::before {
  /* faint site-plan grid */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 85%);
}

.hero .container {
  position: relative;
}

.hero-tag {
  color: var(--amber);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 1.1em;
  max-width: 40ch;
}

.hero h1 {
  color: var(--white);
  max-width: 16ch;
}

.hero .lede {
  color: #c3ccd2;
  font-size: 1.15rem;
  max-width: 52ch;
  margin-top: 0.9em;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2.2em;
  flex-wrap: wrap;
}

.hero-figures {
  display: flex;
  gap: 2.6rem;
  margin-top: 3.4em;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 1.8em;
}

.hero-figures .figure b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--white);
}
.hero-figures .figure span {
  color: #9fabb2;
  font-size: 0.85rem;
}

/* ---------- Section scaffolding ---------- */

section {
  padding: 84px 0;
}

.section-head {
  max-width: 60ch;
  margin-bottom: 2.6em;
}

.section-head .kicker {
  color: var(--steel);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.6em;
}

.rule {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}

.bg-white { background: var(--white); }
.bg-paper-dim { background: var(--paper-dim); }
.bg-navy { background: var(--navy); color: var(--white); }
.bg-navy h2 { color: var(--white); }

/* ---------- Services (scope-of-works list) ---------- */

.scope-list {
  border-top: 1px solid var(--line-strong);
}

.scope-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.scope-item .num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--line-strong);
  font-weight: 700;
}

.scope-item h3 {
  margin-bottom: 0.35em;
}

.scope-item p {
  color: var(--ink-soft);
  margin-bottom: 0;
}

/* ---------- Two column layout ---------- */

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: start;
}

.split.reverse { grid-template-columns: 0.95fr 1.05fr; }
.split.reverse .split-media { order: 2; }

.split-media {
  border: 1px solid var(--line-strong);
  background: var(--paper-dim);
  padding: 36px;
}

.split-media .plate-label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  color: var(--steel);
  font-weight: 700;
  margin-bottom: 1.2em;
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
}
.checklist li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
}
.checklist li:last-child { border-bottom: none; }
.checklist .box {
  flex: none;
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--steel);
  margin-top: 3px;
}

/* ---------- Value / approach cards (bordered, not rounded) ---------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.value-card {
  background: var(--white);
  padding: 34px 30px;
}

.value-card .idx {
  font-family: var(--font-display);
  color: var(--amber);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 1em;
}

.value-card p { color: var(--ink-soft); margin-bottom: 0; }

/* ---------- Stat strip ---------- */

.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}
.stat-strip .stat {
  padding: 30px 26px;
  border-left: 1px solid var(--line);
}
.stat-strip .stat:first-child { border-left: none; }
.stat-strip .stat b {
  font-family: var(--font-display);
  font-size: 1.9rem;
  color: var(--navy);
  display: block;
}
.stat-strip .stat span {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

/* ---------- Team / people ---------- */

.person {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.person .photo {
  width: 160px;
  height: 160px;
  background: var(--paper-dim);
  border: 1px solid var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  color: var(--steel-light);
  font-size: 2rem;
}
.person .role {
  color: var(--steel);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5em;
}

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--navy);
  color: var(--white);
  padding: 64px 0;
}
.cta-band .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-band h2 { color: var(--white); margin-bottom: 0.25em; }
.cta-band p { color: #c3ccd2; margin-bottom: 0; }

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-details dt {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--steel);
  font-weight: 700;
  margin-top: 1.6em;
}
.contact-details dt:first-child { margin-top: 0; }
.contact-details dd {
  margin: 0.3em 0 0;
  color: var(--ink);
  font-size: 1.05rem;
}

form.enquiry {
  border: 1px solid var(--line-strong);
  padding: 34px;
  background: var(--white);
}

.field {
  margin-bottom: 1.4em;
}
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.45em;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  padding: 0.75em 0.9em;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--ink);
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--steel);
  background: var(--white);
}

.form-note {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: 1em;
  margin-bottom: 0;
}

/* ---------- Footer ---------- */

footer.site-footer {
  background: var(--navy-deep);
  color: #93a0a7;
  padding: 52px 0 34px;
  font-size: 0.9rem;
}
footer.site-footer .container {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  align-items: flex-start;
}
footer.site-footer a { color: #c3ccd2; }
footer.site-footer .foot-logo {
  font-family: var(--font-display);
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: 0.6em;
}
footer.site-footer .foot-cols {
  display: flex;
  gap: 3.5rem;
  flex-wrap: wrap;
}
footer.site-footer h4 {
  color: #d8dee2;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  margin-bottom: 0.8em;
}
footer.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
footer.site-footer li { margin-bottom: 0.5em; }
.foot-bottom {
  max-width: var(--max-width);
  margin: 40px auto 0;
  padding: 20px 28px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.8rem;
  color: #6d7a80;
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .split, .split.reverse { grid-template-columns: 1fr; }
  .split.reverse .split-media { order: 0; }
  .grid-3 { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-strip .stat:nth-child(3) { border-left: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .person { grid-template-columns: 96px 1fr; }
  .person .photo { width: 96px; height: 96px; font-size: 1.3rem; }
}

@media (max-width: 700px) {
  .site-header .container { height: 68px; gap: 12px; }
  .logo { font-size: 1rem; }
  .logo .sub { display: none; }
  .site-header .btn-outline { display: none; }
  .nav-toggle { display: flex; }

  nav.primary-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--navy);
    border-bottom: 1px solid rgba(255,255,255,0.12);
    box-shadow: 0 12px 24px rgba(0,0,0,0.25);
    z-index: 60;
  }
  nav.primary-nav.open { display: block; }
  nav.primary-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px 28px 20px;
  }
  nav.primary-nav li { border-bottom: 1px solid rgba(255,255,255,0.08); }
  nav.primary-nav li:last-child { border-bottom: none; }
  nav.primary-nav a {
    display: block;
    padding: 14px 2px;
    border-bottom: none;
  }
  nav.primary-nav a[aria-current="page"] { color: var(--amber); }

  .hero { padding: 48px 0 56px; }
  section { padding: 48px 0; }
  .cta-band .container { flex-direction: column; align-items: flex-start; }
  footer.site-footer .container { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}