/* ============================================
   Cortexum AI — Company Profile Page
   Style: Clean + Minimal
   ============================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, Helvetica, Arial, sans-serif;
  color: #111;
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* --- Layout --- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-alt {
  background: #fafafa;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid #eee;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo img {
  height: 28px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: #555;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #111;
}

.nav-cta {
  background: #111;
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 0.875rem;
  transition: background 0.2s;
}

.nav-cta:hover {
  background: #333;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 8px;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: #111;
  color: #fff;
}

.btn-primary:hover {
  background: #333;
}

.btn-secondary {
  background: transparent;
  color: #111;
  border: 1.5px solid #ddd;
}

.btn-secondary:hover {
  border-color: #111;
}

.btn-large {
  font-size: 1.0625rem;
  padding: 16px 36px;
}

/* --- Section Labels --- */
.section-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #888;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1.125rem;
  color: #555;
  max-width: 640px;
  margin-bottom: 56px;
}

/* --- Hero --- */
.hero {
  padding: 160px 0 96px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #555;
  background: #f4f4f4;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.25rem;
  color: #555;
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* --- About --- */
.about-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-main h2 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 24px;
}

.about-main p {
  font-size: 1.0625rem;
  color: #444;
  margin-bottom: 16px;
  line-height: 1.7;
}

.about-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 12px;
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.detail-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #999;
}

.detail-value {
  font-size: 1.0625rem;
  font-weight: 600;
  color: #111;
}

/* --- Products --- */
.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.product-card {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 12px;
  padding: 40px;
  transition: box-shadow 0.25s;
}

.product-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.product-header {
  margin-bottom: 20px;
}

.product-logo {
  height: 36px;
  width: auto;
}

.product-tagline {
  font-size: 1.0625rem;
  font-weight: 600;
  color: #111;
  margin-bottom: 12px;
}

.product-desc {
  font-size: 0.9375rem;
  color: #555;
  line-height: 1.65;
  margin-bottom: 24px;
}

.product-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}

.product-features li {
  font-size: 0.875rem;
  color: #444;
  padding-left: 20px;
  position: relative;
}

.product-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: #111;
  border-radius: 50%;
}

.product-audience {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.product-audience span {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #777;
  background: #f4f4f4;
  padding: 4px 12px;
  border-radius: 100px;
}

/* --- Services --- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.service-card {
  padding: 36px;
  border: 1px solid #eee;
  border-radius: 12px;
  transition: box-shadow 0.25s;
}

.service-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.service-icon {
  margin-bottom: 20px;
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-card > p {
  font-size: 0.9375rem;
  color: #555;
  line-height: 1.65;
  margin-bottom: 20px;
}

.service-meta {
  display: flex;
  gap: 16px;
}

.service-meta span {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #777;
  background: #f4f4f4;
  padding: 4px 12px;
  border-radius: 100px;
}

/* --- Metrics --- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.metric-card {
  padding: 32px;
  border: 1px solid #eee;
  border-radius: 12px;
  text-align: center;
}

.metric-value {
  font-size: 2rem;
  font-weight: 800;
  color: #111;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.metric-label {
  font-size: 0.8125rem;
  color: #777;
  line-height: 1.5;
}

/* --- Vision --- */
.vision-block {
  max-width: 800px;
  margin-bottom: 64px;
}

.vision-block h2 {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 20px;
}

.vision-block p {
  font-size: 1.0625rem;
  color: #555;
  line-height: 1.7;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.pillar {
  padding: 32px;
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 12px;
}

.pillar-num {
  font-size: 0.8125rem;
  font-weight: 700;
  color: #bbb;
  margin-bottom: 12px;
}

.pillar h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pillar p {
  font-size: 0.9375rem;
  color: #555;
  line-height: 1.6;
}

/* --- Strategic Alignment --- */
.alignment-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.alignment-card {
  padding: 32px;
  border: 1px solid #eee;
  border-radius: 12px;
}

.alignment-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.alignment-card p {
  font-size: 0.9375rem;
  color: #555;
  line-height: 1.6;
}

/* --- Contact --- */
.contact-block {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.contact-logo {
  width: 56px;
  height: 56px;
  margin: 0 auto 28px;
}

.contact-block h2 {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
}

.contact-block > p {
  font-size: 1rem;
  color: #555;
  margin-bottom: 32px;
  line-height: 1.6;
}

.contact-details {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 20px;
  font-size: 0.875rem;
  color: #999;
}

/* --- Footer --- */
.footer {
  padding: 24px 0;
  border-top: 1px solid #eee;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: #999;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .hero {
    padding: 120px 0 64px;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero-sub {
    font-size: 1.0625rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-details {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 24px;
  }

  .detail-item {
    min-width: 120px;
  }

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

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

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

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

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

  .section {
    padding: 64px 0;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .nav-links a:not(.nav-cta) {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.875rem;
  }

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

  .product-card {
    padding: 28px;
  }
}