/* ==========================================================
   AXIOM STRATEGIC MINERALS ENGINEERING LTD — Global Stylesheet
   ========================================================== */
:root {
  --navy: #0B1A2C;
  --navy-deep: #07111E;
  --graphite: #1E2A3A;
  --graphite-light: #2A3848;
  --mineral-grey: #8A95A5;
  --mineral-grey-light: #C7CDD6;
  --gold: #C9A24B;
  --gold-bright: #E0B85F;
  --white: #F5F7FA;
  --line: rgba(201, 162, 75, 0.18);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--navy-deep);
  color: var(--white);
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
}
h1, h2, h3, h4 { font-family: 'Playfair Display', serif; font-weight: 700; letter-spacing: -0.01em; }
a { color: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* NAV */
nav.top {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(7, 17, 30, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  z-index: 1000; padding: 18px 0;
}
nav.top .container { display: flex; justify-content: space-between; align-items: center; }
.logo { display: inline-flex; align-items: center; text-decoration: none; color: var(--white); }
.logo-img {
  height: 56px;
  width: auto;
  display: block;
  image-rendering: -webkit-optimize-contrast;
}
.logo-img-footer { height: 64px; }
nav.top { padding: 10px 0; }
@media (max-width: 960px) {
  .logo-img { height: 44px; }
  .logo-img-footer { height: 52px; }
}
@media (max-width: 480px) {
  .logo-img { height: 36px; }
  .logo-img-footer { height: 44px; }
}
.nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
.nav-links a {
  color: var(--mineral-grey-light); text-decoration: none;
  font-size: 14px; font-weight: 500; transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold); }
.nav-cta {
  background: var(--gold); color: var(--navy-deep) !important;
  padding: 10px 20px; font-weight: 600 !important; border-radius: 2px;
}
.nav-cta:hover { background: var(--gold-bright) !important; color: var(--navy-deep) !important; }
.mobile-toggle { display: none; background: none; border: none; color: var(--white); font-size: 24px; cursor: pointer; }

/* PAGE HEADER (non-home) */
.page-header {
  padding: 160px 0 80px;
  background:
    linear-gradient(135deg, rgba(7,17,30,0.94) 0%, rgba(11,26,44,0.88) 100%),
    radial-gradient(ellipse at top right, rgba(201,162,75,0.10), transparent 60%);
  border-bottom: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.page-header::before {
  content: ''; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cg fill='none' stroke='%23C9A24B' stroke-width='0.3' opacity='0.08'%3E%3Cpath d='M30 0L60 17.32V51.96L30 60L0 51.96V17.32z'/%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.35;
}
.page-header .container { position: relative; z-index: 2; }
.breadcrumb { color: var(--mineral-grey); font-size: 12px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 20px; }
.breadcrumb a { color: var(--mineral-grey); text-decoration: none; }
.breadcrumb a:hover { color: var(--gold); }
.page-header h1 { font-size: clamp(36px, 5vw, 56px); line-height: 1.1; max-width: 900px; margin-bottom: 24px; }
.page-header .lede { font-size: 19px; color: var(--mineral-grey-light); max-width: 760px; font-weight: 300; }

/* HOME HERO */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background:
    linear-gradient(135deg, rgba(7,17,30,0.92) 0%, rgba(11,26,44,0.85) 100%),
    radial-gradient(ellipse at top right, rgba(201,162,75,0.12), transparent 60%),
    radial-gradient(ellipse at bottom left, rgba(30,42,58,0.6), transparent 50%);
  padding: 140px 0 80px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cg fill='none' stroke='%23C9A24B' stroke-width='0.3' opacity='0.08'%3E%3Cpath d='M30 0L60 17.32V51.96L30 60L0 51.96V17.32z'/%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.4;
}
.hero .container { position: relative; z-index: 2; }
.hero-eyebrow {
  display: inline-block;
  color: var(--gold); font-size: 13px; letter-spacing: 3px;
  text-transform: uppercase; font-weight: 600; margin-bottom: 24px;
  border-left: 2px solid var(--gold); padding-left: 14px;
}
.hero h1 { font-size: clamp(36px, 5.2vw, 64px); line-height: 1.1; margin-bottom: 28px; max-width: 900px; }
.hero h1 .accent { color: var(--gold); }
.hero-sub { font-size: 19px; color: var(--mineral-grey-light); max-width: 720px; margin-bottom: 40px; font-weight: 300; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 16px 32px;
  font-weight: 600; font-size: 14px; letter-spacing: 1px;
  text-transform: uppercase; text-decoration: none;
  border-radius: 2px; transition: all 0.25s;
  cursor: pointer; border: none;
}
.btn-primary { background: var(--gold); color: var(--navy-deep); }
.btn-primary:hover { background: var(--gold-bright); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--white); border: 1px solid var(--mineral-grey); }
.btn-secondary:hover { border-color: var(--gold); color: var(--gold); }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 32px; margin-top: 80px;
  padding-top: 40px; border-top: 1px solid var(--line);
}
.stat-label { font-size: 11px; letter-spacing: 2px; color: var(--mineral-grey); text-transform: uppercase; margin-bottom: 8px; }
.stat-value { font-family: 'Playfair Display', serif; font-size: 18px; color: var(--white); font-weight: 600; }

/* SECTIONS */
section { padding: 100px 0; position: relative; }
.section-alt { background: var(--graphite); }
.section-eyebrow { color: var(--gold); font-size: 12px; letter-spacing: 3px; text-transform: uppercase; font-weight: 600; margin-bottom: 18px; }
.section-title { font-size: clamp(28px, 4vw, 42px); line-height: 1.15; margin-bottom: 24px; max-width: 800px; }
.section-intro { font-size: 18px; color: var(--mineral-grey-light); max-width: 780px; margin-bottom: 50px; font-weight: 300; }

/* GRIDS */
.split-2 { display: grid; grid-template-columns: 1.1fr 1fr; gap: 80px; align-items: start; }
.split-eq { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.prose p { color: var(--mineral-grey-light); margin-bottom: 18px; font-size: 16px; }
.prose p:last-child { margin-bottom: 0; }

.pillars { display: flex; flex-direction: column; gap: 24px; }
.pillar { border-left: 2px solid var(--gold); padding: 4px 0 4px 24px; }
.pillar h4 { font-family: 'Inter', sans-serif; font-size: 15px; color: var(--gold); margin-bottom: 6px; letter-spacing: 1px; text-transform: uppercase; }
.pillar p { color: var(--mineral-grey-light); font-size: 15px; margin: 0; }

/* SERVICE CARDS */
.service-card {
  background: var(--graphite-light);
  padding: 36px 28px;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: all 0.3s;
}
.service-card:hover { border-color: var(--gold); transform: translateY(-2px); }
.service-icon {
  width: 40px; height: 40px;
  background: var(--gold); color: var(--navy-deep);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif; font-size: 18px; font-weight: 700;
  margin-bottom: 20px;
}
.service-card h3 { font-family: 'Inter', sans-serif; font-size: 17px; font-weight: 600; margin-bottom: 12px; color: var(--white); }
.service-card p { color: var(--mineral-grey-light); font-size: 14px; line-height: 1.6; }

/* SECTORS */
.sector {
  background: var(--graphite-light);
  padding: 40px 36px;
  border-top: 3px solid var(--gold);
}
.sector-meta { font-size: 11px; letter-spacing: 2px; color: var(--gold); text-transform: uppercase; margin-bottom: 14px; font-weight: 600; }
.sector h3 { font-size: 26px; margin-bottom: 16px; }
.sector > p { color: var(--mineral-grey-light); margin-bottom: 20px; font-size: 15px; }
.ticked { list-style: none; padding: 0; }
.ticked li {
  color: var(--mineral-grey-light); font-size: 14px;
  padding: 10px 0 10px 22px; position: relative;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.ticked li::before {
  content: ''; position: absolute; left: 0; top: 16px;
  width: 8px; height: 8px;
  border-top: 1px solid var(--gold);
  border-right: 1px solid var(--gold);
  transform: rotate(45deg);
}

/* MINERAL CARDS */
.mineral-card {
  background: var(--navy);
  padding: 32px 24px;
  border: 1px solid var(--line);
  transition: all 0.25s;
}
.mineral-card:hover { border-color: var(--gold); }
.mineral-symbol { font-family: 'Playfair Display', serif; font-size: 42px; color: var(--gold); font-weight: 700; line-height: 1; margin-bottom: 12px; }
.mineral-card h4 { font-family: 'Inter', sans-serif; font-size: 16px; font-weight: 600; margin-bottom: 10px; }
.mineral-card p { color: var(--mineral-grey-light); font-size: 13px; line-height: 1.55; }

/* DIAMOND LIST */
.dia-list { list-style: none; margin-top: 16px; }
.dia-list li {
  padding: 10px 0 10px 28px; color: var(--mineral-grey-light);
  font-size: 15px; position: relative;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.dia-list li::before {
  content: '◆'; position: absolute; left: 0; top: 11px;
  color: var(--gold); font-size: 10px;
}

/* DIRECTORS */
.directors-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; margin-top: 40px; }
.director { background: var(--graphite-light); padding: 36px 32px; border-left: 2px solid var(--gold); }
.director h4 { font-family: 'Inter', sans-serif; font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.director-title { color: var(--gold); font-size: 12px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px; }
.director p { color: var(--mineral-grey-light); font-size: 14px; line-height: 1.6; }

/* FEATURE BOX (Africa visual etc) */
.feature-box {
  background: linear-gradient(135deg, var(--navy) 0%, var(--graphite) 100%);
  padding: 48px; border: 1px solid var(--line); border-radius: 2px;
}
.feature-box h4 { color: var(--gold); font-family: 'Inter', sans-serif; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 24px; }
.focus-points { list-style: none; }
.focus-points li {
  padding: 14px 0; border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  color: var(--mineral-grey-light); font-size: 14px;
}
.focus-points li:last-child { border-bottom: none; }
.focus-points li strong { color: var(--white); font-weight: 500; }
.focus-points li span { color: var(--gold); font-size: 12px; letter-spacing: 1px; }

/* CTA STRIP */
.cta-strip {
  background: linear-gradient(135deg, var(--navy) 0%, var(--graphite) 100%);
  padding: 80px 0; text-align: center;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.cta-strip h2 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 20px; }
.cta-strip p { color: var(--mineral-grey-light); margin-bottom: 32px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* CONTACT FORM */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 40px; }
.contact-info h4 { font-family: 'Inter', sans-serif; font-size: 13px; color: var(--gold); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 12px; }
.contact-info .contact-block { margin-bottom: 32px; }
.contact-info p, .contact-info a { color: var(--mineral-grey-light); text-decoration: none; font-size: 16px; line-height: 1.7; display: block; }
.contact-info a:hover { color: var(--gold); }
.contact-form { background: var(--graphite-light); padding: 40px; border-radius: 2px; }
.form-row { margin-bottom: 20px; }
.form-row label { display: block; font-size: 11px; letter-spacing: 1.5px; color: var(--mineral-grey); text-transform: uppercase; margin-bottom: 8px; font-weight: 600; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 12px 16px;
  background: var(--navy-deep);
  border: 1px solid var(--line);
  color: var(--white);
  font-family: 'Inter', sans-serif; font-size: 14px;
  border-radius: 2px; transition: border-color 0.2s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: none; border-color: var(--gold); }
.form-row textarea { min-height: 120px; resize: vertical; }

/* FOOTER */
footer { background: var(--navy-deep); padding: 60px 0 30px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-col h5 { font-family: 'Inter', sans-serif; font-size: 12px; letter-spacing: 2px; color: var(--gold); text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a, .footer-col p { color: var(--mineral-grey-light); text-decoration: none; font-size: 14px; transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; color: var(--mineral-grey); font-size: 12px; }
.footer-bottom a { color: var(--mineral-grey); text-decoration: none; }
.footer-bottom a:hover { color: var(--gold); }

.disclosure { font-size: 12px; color: var(--mineral-grey); font-style: italic; margin-top: 16px; }

/* RESPONSIVE */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .nav-links.open {
    display: flex; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--navy-deep); flex-direction: column;
    padding: 24px; gap: 16px; border-bottom: 1px solid var(--line);
  }
  .hero { padding: 120px 0 60px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .split-2, .split-eq, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .directors-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  section { padding: 70px 0; }
  .page-header { padding: 130px 0 60px; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; }
  .btn { width: 100%; text-align: center; }
}