/* ===== CSS Variables ===== */
:root {
  --primary: #1a3a5c;
  --primary-dark: #0f2640;
  --accent: #c8102e;
  --accent-hover: #a00d24;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --text: #333333;
  --text-light: #666666;
  --border: #e0e4e8;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --radius: 8px;
  --max-width: 1140px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-hover);
}

/* ===== Utility ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

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

.text-center {
  text-align: center;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
  color: var(--primary);
  line-height: 1.25;
  font-weight: 700;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2rem; margin-bottom: 16px; }
h3 { font-size: 1.35rem; margin-bottom: 8px; }

.section-subtitle {
  color: var(--text-light);
  font-size: 1.125rem;
  max-width: 640px;
  margin: 0 auto 48px;
}

/* ===== Header / Nav ===== */
.header {
  background: var(--primary-dark);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  margin: 6px 0;
  transition: all 0.3s;
  border-radius: 2px;
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #ffffff;
  padding: 100px 0;
  text-align: center;
}

.hero h1 {
  color: #ffffff;
  margin-bottom: 20px;
  font-size: 3rem;
}

.hero p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto 36px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  letter-spacing: 0.3px;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(200, 16, 46, 0.3);
}

.btn--outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn--outline:hover {
  border-color: #fff;
  color: #fff;
}

/* ===== Stats Row ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item h3 {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 4px;
}

.stat-item p {
  color: var(--text-light);
  font-size: 1rem;
  font-weight: 500;
}

/* ===== About Block ===== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-content h2 {
  margin-bottom: 16px;
}

.about-content p {
  color: var(--text-light);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

/* ===== Leadership ===== */
.leadership-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  box-shadow: var(--shadow);
}

.leadership-card .name {
  font-size: 1.5rem;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 4px;
}

.leadership-card .title {
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}

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

/* ===== Companies Page — Cards ===== */
.company-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.company-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.company-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.company-card h3 {
  color: var(--primary);
  margin-bottom: 6px;
}

.company-card .tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(200, 16, 46, 0.08);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}

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

/* Featured company card */
.company-card--featured {
  border: 2px solid var(--primary);
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.company-card--featured .card-text h3 {
  font-size: 1.6rem;
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--border);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 36px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 3px var(--accent);
}

.timeline-item .year {
  font-weight: 700;
  color: var(--primary);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

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

/* ===== Contact Form ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 60px;
  align-items: start;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--primary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  color: var(--text);
  transition: border-color 0.2s;
  background: var(--bg);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.1);
}

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

.contact-info-sidebar {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 32px;
}

.contact-info-sidebar h3 {
  margin-bottom: 20px;
}

.contact-info-item {
  margin-bottom: 20px;
}

.contact-info-item .label {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.contact-info-item p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Form success message */
.form-success {
  display: none;
  background: #e8f5e9;
  color: #2e7d32;
  padding: 16px 20px;
  border-radius: var(--radius);
  font-weight: 500;
  margin-top: 16px;
}

.form-success.show {
  display: block;
}

/* ===== Footer ===== */
.footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 48px 0 32px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer h4 {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 16px;
}

.footer p,
.footer a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
}

.footer a:hover {
  color: #ffffff;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.footer-bottom .trivest {
  color: rgba(255, 255, 255, 0.5);
}

/* ===== Page Header (inner pages) ===== */
.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 60px 0;
  text-align: center;
}

.page-header h1 {
  color: #fff;
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.page-header p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }

  .hero { padding: 60px 0; }
  .hero h1 { font-size: 2.2rem; }
  .section { padding: 48px 0; }

  /* Mobile nav */
  .hamburger { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--primary-dark);
    flex-direction: column;
    gap: 0;
    padding: 16px 0;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  }

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

  .nav-links a {
    display: block;
    padding: 12px 24px;
  }

  /* Grids */
  .stats { grid-template-columns: 1fr; gap: 24px; }
  .about-content { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; }
  .company-card--featured { grid-template-columns: 1fr; }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}