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

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  background: #0c1117;
  color: #e5e7eb;
}

/* Layout */

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.section {
  padding: 4.5rem 0;
}

.section-alt {
  padding: 4.5rem 0;
  background: #020617;
}

/* Header / Nav */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(2, 6, 23, 0.94);
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
  backdrop-filter: blur(14px);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-image {
  height: 40px;
  width: auto;
  display: block;
}

/* Keep nav styles */

.nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.nav a {
  font-size: 0.9rem;
  text-decoration: none;
  color: #e5e7eb;
  opacity: 0.84;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav a:hover {
  opacity: 1;
  transform: translateY(-1px);
}

.nav-cta {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-weight: 500;
}

/* Mobile nav toggle */

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  border: none;
  background: transparent;
  padding: 0.25rem;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: #e5e7eb;
  border-radius: 999px;
}

/* Hero */

.hero {
  padding: 4.5rem 0 3.5rem;
  background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.11), transparent 40%),
              radial-gradient(circle at bottom right, rgba(45, 212, 191, 0.12), transparent 45%);
}

.hero-container {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 1.6fr);
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #a5b4fc;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.hero-copy h1 {
  font-size: clamp(2.2rem, 3vw, 2.8rem);
  line-height: 1.2;
  margin: 0 0 1rem;
}

.hero-text {
  margin: 0 0 1.75rem;
  color: #cbd5f5;
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
  font-size: 0.8rem;
}

.meta-label {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #9ca3af;
  margin-bottom: 0.15rem;
  font-weight: 500;
}

.meta-value {
  display: block;
  color: #e5e7eb;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn.primary {
  background: linear-gradient(135deg, #38bdf8, #22c55e);
  color: #020617;
  box-shadow: 0 12px 30px rgba(15, 118, 110, 0.45);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(15, 118, 110, 0.55);
}

.btn.ghost {
  border-color: rgba(148, 163, 184, 0.75);
  color: #e5e7eb;
  background: rgba(15, 23, 42, 0.7);
}

.btn.ghost:hover {
  background: rgba(15, 23, 42, 0.95);
}

.btn.full-width {
  width: 100%;
}

/* Hero card */

.hero-card {
  max-width: 380px;
  justify-self: flex-end;
}

.hero-card-inner {
  padding: 1.5rem 1.4rem;
  border-radius: 1.4rem;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.98), #020617 82%);
  box-shadow: 0 24px 45px rgba(15, 23, 42, 0.9);
}

.hero-card-inner h2 {
  font-size: 1.2rem;
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.hero-card-inner p {
  margin-top: 0;
  margin-bottom: 0.85rem;
  color: #cbd5f5;
  font-size: 0.9rem;
}

.hero-list {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.88rem;
  color: #e5e7eb;
}

/* Sections */

.section-header {
  max-width: 620px;
  margin: 0 auto 2.5rem;
  text-align: center;
}

.section-header h2 {
  margin: 0 0 0.6rem;
  font-size: 1.6rem;
}

.section-header p {
  margin: 0;
  color: #d1d5db;
}

.section-header.narrow {
  max-width: 520px;
}

/* Cards layout */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.75rem;
}

.card {
  border-radius: 1.2rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.95), #020617);
  padding: 1.5rem 1.4rem;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
  font-size: 1.1rem;
}

.card p {
  margin-top: 0;
  margin-bottom: 0.85rem;
  font-size: 0.92rem;
  color: #d1d5db;
}

.card ul {
  margin: 0;
  padding-left: 1.05rem;
  font-size: 0.9rem;
}

/* Approach / pillars */

.approach-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.4rem;
}

.pillar {
  padding: 1.3rem 1.1rem;
  border-radius: 1.1rem;
  border: 1px solid rgba(148, 163, 184, 0.38);
  background: radial-gradient(circle at top left, rgba(30, 64, 175, 0.4), transparent 65%),
              linear-gradient(145deg, #020617, #020617);
}

.pillar h3 {
  margin-top: 0;
  margin-bottom: 0.45rem;
  font-size: 0.98rem;
}

.pillar p {
  margin: 0;
  font-size: 0.88rem;
  color: #e5e7eb;
}

/* Timeline */

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.2rem;
}

.timeline li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  align-items: flex-start;
  padding: 1.1rem 1rem;
  border-radius: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: linear-gradient(120deg, rgba(15, 23, 42, 0.98), #020617);
}

.step-badge {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  background: linear-gradient(135deg, #38bdf8, #22c55e);
  color: #020617;
}

.step-content h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.step-content p {
  margin: 0;
  font-size: 0.9rem;
  color: #d1d5db;
}

/* About */

.about-container {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
  gap: 2.2rem;
  align-items: start;
}

.about-copy h2 {
  margin-top: 0;
  margin-bottom: 0.7rem;
  font-size: 1.4rem;
}

.about-copy p {
  margin-top: 0;
  margin-bottom: 0.85rem;
  font-size: 0.94rem;
  color: #d1d5db;
}

.about-highlight {
  border-radius: 1.2rem;
  border: 1px solid rgba(52, 211, 153, 0.5);
  background: radial-gradient(circle at top, rgba(22, 101, 52, 0.5), #020617);
  padding: 1.4rem 1.25rem;
}

.about-highlight h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.about-highlight p {
  margin: 0;
  font-size: 0.9rem;
}

/* Contact */

.contact-container {
  display: flex;
  flex-direction: column;
  gap: 2.2rem;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
  gap: 2rem;
}

.contact-form {
  border-radius: 1.3rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.98), #020617);
  padding: 1.5rem 1.3rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.field label {
  font-size: 0.85rem;
  color: #d1d5db;
}

.field input,
.field select,
.field textarea {
  border-radius: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.65);
  padding: 0.55rem 0.75rem;
  background: rgba(15, 23, 42, 0.95);
  color: #e5e7eb;
  font: inherit;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: #38bdf8;
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.6);
}

.form-note {
  font-size: 0.8rem;
  color: #9ca3af;
  margin-top: 0.75rem;
}

.contact-aside {
  border-radius: 1.3rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: 1.5rem 1.3rem;
  background: radial-gradient(circle at top left, rgba(30, 64, 175, 0.35), transparent 65%),
              linear-gradient(145deg, #020617, #020617);
}

.contact-aside h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.contact-aside ul {
  margin-top: 0;
  margin-bottom: 1rem;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: #e5e7eb;
}

.aside-text {
  margin: 0;
  font-size: 0.9rem;
  color: #d1d5db;
}

/* Footer */

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.3);
  padding: 1.2rem 0 1.7rem;
  background: #020617;
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  color: #9ca3af;
}

.footer-brand {
  display: flex;
  align-items: center;
}

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

/* Responsive */

@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-card {
    justify-self: stretch;
    max-width: none;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pillars {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-container {
    grid-template-columns: minmax(0, 1fr);
  }

  .contact-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .nav {
    position: fixed;
    inset: 56px 0 auto;
    background: rgba(2, 6, 23, 0.97);
    border-bottom: 1px solid rgba(148, 163, 184, 0.3);
    flex-direction: column;
    padding: 0.85rem 1.1rem 1.1rem;
    transform: translateY(-120%);
    transition: transform 0.2s ease;
  }

  .nav.open {
    transform: translateY(0);
  }

  .nav-cta {
    align-self: flex-start;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero {
    padding-top: 3.25rem;
  }

  .section,
  .section-alt {
    padding: 3.25rem 0;
  }

  .card-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .pillars {
    grid-template-columns: minmax(0, 1fr);
  }

  .timeline li {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-container {
    flex-direction: column;
    align-items: flex-start;
  }
}