/* Rift Valley Gold Resources — Professional Mining Corporation */

:root {
  --black: #0a0a0a;
  --black-soft: #141414;
  --black-card: #1a1a1a;
  --gold: #c9a227;
  --gold-light: #e8c547;
  --gold-dim: #8a7120;
  --green: #1a3d2e;
  --green-deep: #0d2818;
  --green-accent: #2d5a45;
  --text: #e8e6e3;
  --text-muted: #9a968f;
  --border: rgba(201, 162, 39, 0.2);
  --font-display: "Outfit", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

#particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1.1; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: 1.25rem; }

.gold { color: var(--gold); }
.muted { color: var(--text-muted); }

.section-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

/* Layout */
.container {
  width: min(1200px, 92vw);
  margin-inline: auto;
}

section {
  position: relative;
  z-index: 1;
  padding: 6rem 0;
}

section:nth-child(even) {
  background: linear-gradient(180deg, var(--black) 0%, var(--green-deep) 50%, var(--black) 100%);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text);
}

.logo-mark {
  min-width: 44px;
  height: 40px;
  padding: 0 0.4rem;
  border: 1px solid var(--gold);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.2;
}

.logo-text span {
  display: block;
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-main {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-main a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color var(--transition);
}

.nav-main a:hover,
.nav-main a.active {
  color: var(--gold);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--gold);
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 8rem;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 10, 10, 0.4) 0%, rgba(10, 10, 10, 0.85) 60%, var(--black) 100%),
    linear-gradient(135deg, var(--green-deep) 0%, transparent 50%),
    url("https://images.unsplash.com/photo-1516939884455-1445c8652f83?w=1920&q=80") center/cover no-repeat;
  z-index: -1;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 30%, rgba(201, 162, 39, 0.08) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-block;
  padding: 0.35rem 1rem;
  border: 1px solid var(--border);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.hero h1 {
  max-width: 14ch;
  margin-bottom: 1.5rem;
}

.hero-desc {
  max-width: 42ch;
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.hero-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--gold);
  font-weight: 500;
}

.hero-stat span {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--gold);
  color: var(--black);
}

.btn-primary:hover {
  background: var(--gold-light);
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}

.btn-outline:hover {
  background: rgba(201, 162, 39, 0.1);
}

.btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Grid layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* Cards */
.card {
  background: var(--black-card);
  border: 1px solid var(--border);
  padding: 2rem;
  transition: var(--transition);
}

.card:hover {
  border-color: rgba(201, 162, 39, 0.4);
}

.card-icon {
  width: 48px;
  height: 48px;
  border: 1px solid var(--gold-dim);
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
  color: var(--gold);
}

.card h3 {
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* About */
.about-image {
  aspect-ratio: 4/3;
  background:
    linear-gradient(135deg, var(--green) 0%, var(--black-soft) 100%),
    url("https://images.unsplash.com/photo-1581094794329-c8112a89af12?w=800&q=80") center/cover;
  border: 1px solid var(--border);
}

.about-list {
  list-style: none;
  margin-top: 2rem;
}

.about-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.about-list li span:last-child {
  color: var(--gold);
  font-family: var(--font-display);
}

/* Map */
.map-section .map-container {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  margin-top: 2rem;
}

.kenya-map {
  background: var(--black-card);
  border: 1px solid var(--border);
  padding: 2rem;
  position: relative;
}

.kenya-map svg {
  width: 100%;
  height: auto;
}

.map-region {
  fill: var(--green-accent);
  stroke: var(--gold-dim);
  stroke-width: 0.5;
  cursor: pointer;
  transition: var(--transition);
}

.map-region:hover,
.map-region.active {
  fill: var(--gold-dim);
  stroke: var(--gold);
}

.map-region[data-status="active"] {
  fill: #2d4a3a;
}

.map-region[data-status="active"].active {
  fill: var(--gold);
  opacity: 0.7;
}

.map-info {
  background: var(--black-card);
  border: 1px solid var(--border);
  padding: 2rem;
}

.map-info h3 {
  color: var(--gold);
  margin-bottom: 1rem;
}

.map-info dl {
  display: grid;
  gap: 0.75rem;
}

.map-info dt {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.map-info dd {
  font-family: var(--font-display);
  font-size: 1.1rem;
}

/* Dashboard */
.dashboard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stat-card {
  background: var(--black-card);
  border: 1px solid var(--border);
  padding: 1.75rem;
  text-align: center;
}

.stat-card .value {
  font-family: var(--font-display);
  font-size: 2.25rem;
  color: var(--gold);
  font-weight: 500;
  display: block;
}

.stat-card .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.5rem;
}

.stat-card .change {
  font-size: 0.8rem;
  color: #4ade80;
  margin-top: 0.5rem;
}

.chart-panel {
  background: var(--black-card);
  border: 1px solid var(--border);
  padding: 2rem;
}

.chart-panel h3 {
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
  height: 200px;
  padding-top: 1rem;
}

.chart-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--gold) 0%, var(--gold-dim) 100%);
  border-radius: 2px 2px 0 0;
  min-height: 20px;
  position: relative;
  transition: height 1s ease;
}

.chart-bar span {
  position: absolute;
  bottom: -1.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 2rem;
  margin-top: 3rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), var(--green-accent), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: 3rem;
  padding-left: 2rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -2rem;
  top: 0.35rem;
  width: 10px;
  height: 10px;
  background: var(--gold);
  border: 2px solid var(--black);
  transform: translateX(-50%);
  margin-left: 0.5px;
}

.timeline-year {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.timeline-item h4 {
  margin-bottom: 0.5rem;
}

.timeline-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Reports & Certifications */
.report-list {
  list-style: none;
}

.report-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.report-item strong {
  font-weight: 500;
}

.report-item .meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.cert-badge {
  background: var(--black-card);
  border: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition);
}

.cert-badge:hover {
  border-color: var(--gold);
}

.cert-badge .cert-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.cert-badge h4 {
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
}

.cert-badge p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Forms */
.contact-form {
  display: grid;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.contact-form label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  background: var(--black-card);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--gold);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

/* Footer */
.site-footer {
  background: var(--black-soft);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-grid h4 {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
}

.footer-grid ul {
  list-style: none;
}

.footer-grid a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  display: block;
  padding: 0.35rem 0;
  transition: color var(--transition);
}

.footer-grid a:hover {
  color: var(--gold);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Careers */
.job-card {
  background: var(--black-card);
  border: 1px solid var(--border);
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
  transition: var(--transition);
}

.job-card:hover {
  border-color: var(--gold-dim);
}

.job-card .location {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .grid-2, .grid-3, .grid-4, .dashboard, .map-section .map-container {
    grid-template-columns: 1fr;
  }

  .dashboard {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-main {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--black-soft);
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-main.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .hero-stats {
    gap: 2rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}