:root {
  --bg: #f7f7f2;
  --surface: #ffffff;
  --surface-soft: #fbfbf7;
  --surface-muted: #f0efe8;
  --text-primary: #0b0d15;
  --text-secondary: #555b6b;
  --text-muted: #7b8194;
  --accent: #111827;
  --accent-light: #525bff;
  --accent-green: #00b485;
  --border: rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 25px 65px rgba(15, 23, 42, 0.08);
  --radius-lg: 32px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --gradient: linear-gradient(120deg, #111827, #2b2f73, #00b485);
  --max-width: 1200px;
}

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

body {
  margin: 0;
  font-family: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, rgba(0, 180, 133, 0.08), transparent 45%),
    radial-gradient(circle at bottom right, rgba(17, 24, 39, 0.08), transparent 45%),
    var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
}

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

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

.shell {
  width: min(var(--max-width), 92%);
  margin: 0 auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--text-muted);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(247, 247, 242, 0.9);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  z-index: 20;
}

.site-header_inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 0;
}

.logo {
  font-weight: 600;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.nav-links a {
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1.25rem 0 1.75rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 15px 25px rgba(17, 24, 39, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--surface-muted);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-link {
  padding: 0.5rem 0;
  color: var(--accent);
  font-weight: 600;
}

main {
  padding-bottom: 4rem;
}

.hero {
  padding: 5rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  align-items: end;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.hero aside {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border);
}

aside ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text-secondary);
}

aside li {
  margin-bottom: 0.35rem;
}

.section {
  padding: 4rem 0;
}

.section-header {
  margin-bottom: 2rem;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin: 0.6rem 0;
}

.value-core_grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.value-card {
  padding: 2rem;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.value-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

.value-card p {
  margin: 0;
  color: var(--text-secondary);
}

.benefits-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.benefits-list li {
  list-style: none;
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px dashed var(--border);
  font-weight: 500;
}

.sessions-block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  align-items: center;
  padding: 3rem;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.sessions-block p {
  color: var(--text-secondary);
}

.sessions-cta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sessions-cta small {
  color: var(--text-muted);
}

.personas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.persona-card {
  padding: 1.75rem;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.persona-card h3 {
  margin-top: 0;
}

.persona-card p {
  margin-bottom: 0;
  color: var(--text-secondary);
}

.testimonials-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.testimonial {
  padding: 1.5rem;
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  border: 1px solid var(--border);
  font-style: italic;
  color: var(--text-secondary);
}

.testimonial strong {
  display: block;
  font-style: normal;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.scarcity-note {
  font-style: italic;
  color: var(--text-secondary);
  text-align: center;
  padding: 1.5rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}

.recruiter-cta {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-secondary);
}

.recruiter-cta a {
  font-weight: 600;
  color: var(--accent);
}

footer {
  padding: 2rem 0 3rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Sessions page */
.sessions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.session-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-soft);
}

.session-card h3 {
  margin-top: 0;
}

.session-card p {
  color: var(--text-secondary);
}

.problems-list {
  columns: 2;
  gap: 2rem;
  padding-left: 1rem;
}

.problems-list li {
  margin-bottom: 0.4rem;
  color: var(--text-secondary);
}

.notes-feed {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
}

.note-card {
  padding: 1.75rem;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.note-card time {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.portfolio-section {
  margin-top: 2.5rem;
  display: grid;
  gap: 2rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.project-card {
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.contact-links a {
  font-weight: 600;
  color: var(--accent);
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

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

  .hero {
    padding-top: 3.5rem;
  }

  .problems-list {
    columns: 1;
  }
}

@media (max-width: 600px) {
  .sessions-block {
    padding: 2rem;
  }

  .benefits-list,
  .value-core_grid,
  .personas-grid,
  .testimonials-strip,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .contact-links {
    flex-direction: column;
    align-items: flex-start;
  }
}