/* ============================================================
   INSIGHTBIO, S.A. — Website Styles
   Brand: #02475A · #028090 · #02C39A · #F0F9FB
   ============================================================ */

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

:root {
  --dark:    #02475A;
  --mid:     #028090;
  --accent:  #02C39A;
  --light:   #F0F9FB;
  --white:   #ffffff;
  --gray:    #64748b;
  --gray-lt: #e2e8f0;
  --text:    #1e293b;
  --radius:  10px;
  --shadow:  0 4px 24px rgba(2, 71, 90, 0.10);
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p  { color: var(--gray); line-height: 1.8; }

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

/* ── Navigation ─────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  box-shadow: 0 1px 0 var(--gray-lt), 0 4px 16px rgba(2,71,90,0.07);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.nav-logo img.logo-img {
  height: 44px;
  width: auto;
  display: block;
}
/* Fallback text logo (shown when image missing) */
.nav-logo .logo-mark {
  width: 38px; height: 38px;
  background: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.85rem; color: var(--dark);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.nav-logo .logo-text {
  color: var(--dark);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}
.nav-logo .logo-text span { color: var(--accent); }
.nav-logo .logo-sub {
  color: var(--gray);
  font-size: 0.65rem;
  letter-spacing: 0.10em;
  font-weight: 500;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-links a {
  color: var(--gray);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover {
  color: var(--dark);
  background: var(--light);
}
.nav-links a.active {
  color: var(--dark);
  font-weight: 700;
  background: var(--light);
}

.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--light);
  border: 1px solid var(--gray-lt);
  border-radius: 6px;
  overflow: hidden;
  margin-left: 1rem;
}
.lang-toggle button {
  background: none;
  border: none;
  color: var(--gray);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.4rem 0.7rem;
  cursor: pointer;
  transition: all var(--transition);
}
.lang-toggle button.active {
  background: var(--accent);
  color: var(--dark);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-burger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--mid) 100%);
  color: var(--white);
  padding: 7rem 2rem 6rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='30' cy='30' r='1' fill='rgba(2,195,154,0.15)'/%3E%3C/svg%3E") repeat;
  pointer-events: none;
}
.hero-content { position: relative; max-width: 760px; margin: 0 auto; }
.hero h1 { color: var(--white); margin-bottom: 1.25rem; }
.hero p {
  color: rgba(255,255,255,0.80);
  font-size: 1.15rem;
  max-width: 580px;
  margin: 0 auto 2.5rem;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(2,195,154,0.18);
  border: 1px solid rgba(2,195,154,0.35);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}
.btn-accent {
  background: var(--accent);
  color: var(--dark);
}
.btn-accent:hover {
  background: #01a882;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(2,195,154,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.40);
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.10);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Stats bar ──────────────────────────────────────────── */
.stats-bar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-lt);
  padding: 2rem;
}
.stats-inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
  text-align: center;
}
.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1;
}
.stat-num span { color: var(--accent); }
.stat-label { font-size: 0.85rem; color: var(--gray); margin-top: 0.25rem; }

/* ── Sections ───────────────────────────────────────────── */
section { padding: 5rem 2rem; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header h2 { color: var(--dark); margin-bottom: 0.75rem; }
.section-header p { max-width: 560px; margin: 0 auto; }

.bg-light { background: var(--light); }
.bg-dark  { background: var(--dark); color: var(--white); }
.bg-dark h2, .bg-dark h3 { color: var(--white); }
.bg-dark p { color: rgba(255,255,255,0.72); }
.bg-dark .section-label { color: var(--accent); }

/* ── Service cards (home preview) ───────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-lt);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--mid), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.service-card:hover::before { opacity: 1; }

.card-icon {
  width: 48px; height: 48px;
  background: var(--light);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.4rem;
}
.service-card h3 { color: var(--dark); margin-bottom: 0.6rem; }

/* ── Full services page ─────────────────────────────────── */
.service-full {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.service-full-card {
  background: var(--white);
  border: 1px solid var(--gray-lt);
  border-radius: var(--radius);
  padding: 2.5rem;
  transition: all var(--transition);
}
.service-full-card:hover {
  border-color: var(--mid);
  box-shadow: var(--shadow);
}
.service-full-card h3 { color: var(--dark); margin: 1rem 0 0.75rem; font-size: 1.2rem; }
.service-full-card ul { margin-top: 0.75rem; display: flex; flex-direction: column; gap: 0.4rem; }
.service-full-card ul li {
  color: var(--gray);
  font-size: 0.9rem;
  padding-left: 1.1rem;
  position: relative;
}
.service-full-card ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
  top: 0.1em;
}

/* ── Why section ────────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.why-item { text-align: center; padding: 1.5rem; }
.why-icon {
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
}
.why-item h3 { color: var(--white); margin-bottom: 0.4rem; font-size: 1.05rem; }

/* ── About page ─────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about-visual {
  background: linear-gradient(135deg, var(--dark), var(--mid));
  border-radius: 16px;
  padding: 3rem 2rem;
  color: var(--white);
  text-align: center;
}
.about-visual .big-num {
  font-size: 4rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.about-visual p { color: rgba(255,255,255,0.75); margin-top: 0.5rem; }

.values-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}
.value-chip {
  background: var(--light);
  border-left: 3px solid var(--accent);
  padding: 0.75rem 1rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--dark);
}

/* ── Team cards ─────────────────────────────────────────── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 780px;
  margin: 0 auto;
}
.team-card {
  background: var(--white);
  border: 1px solid var(--gray-lt);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  text-align: center;
}
.team-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.team-avatar {
  background: linear-gradient(135deg, var(--dark), var(--mid));
  height: 120px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.8rem;
}
.team-info { padding: 1.5rem; }
.team-info h3 { color: var(--dark); margin-bottom: 0.3rem; }
.team-role {
  display: inline-block;
  background: var(--light);
  color: var(--mid);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 0.75rem;
}
.team-info p { font-size: 0.9rem; }
.team-flag { font-size: 1rem; margin-right: 0.25rem; }

/* ── Contact page ───────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 3rem;
}
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-block {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.contact-icon {
  width: 42px; height: 42px;
  background: var(--light);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-block strong { color: var(--dark); display: block; margin-bottom: 0.2rem; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; }
.contact-block span, .contact-block a { color: var(--gray); font-size: 0.95rem; }
.contact-block a:hover { color: var(--accent); }

.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-lt);
  border-radius: var(--radius);
  padding: 2.5rem;
}
.contact-form h3 { color: var(--dark); margin-bottom: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--dark); }
.form-group input,
.form-group textarea,
.form-group select {
  border: 1.5px solid var(--gray-lt);
  border-radius: 7px;
  padding: 0.65rem 0.9rem;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition);
  font-family: inherit;
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.btn-dark {
  background: var(--dark);
  color: var(--white);
}
.btn-dark:hover {
  background: var(--mid);
  transform: translateY(-2px);
}
.btn-full { width: 100%; text-align: center; }

/* ── Page hero (inner pages) ────────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--mid) 100%);
  padding: 4rem 2rem;
  text-align: center;
  color: var(--white);
}
.page-hero h1 { color: var(--white); margin-bottom: 0.75rem; font-size: clamp(1.8rem, 4vw, 2.6rem); }
.page-hero p { color: rgba(255,255,255,0.75); max-width: 520px; margin: 0 auto; }

/* ── Footer ─────────────────────────────────────────────── */
footer {
  background: var(--dark);
  color: rgba(255,255,255,0.65);
  padding: 3rem 2rem 1.5rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
.footer-brand .logo-text { color: var(--white); font-size: 1rem; margin-left: 0; }
.footer-brand p { font-size: 0.85rem; margin-top: 0.75rem; max-width: 260px; line-height: 1.7; }
footer h4 { color: var(--white); font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 0.75rem; }
footer ul { display: flex; flex-direction: column; gap: 0.4rem; }
footer ul a { font-size: 0.88rem; color: rgba(255,255,255,0.60); transition: color var(--transition); }
footer ul a:hover { color: var(--accent); }
.footer-bottom {
  max-width: 1100px;
  margin: 1.5rem auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer-bottom a { color: var(--accent); }

/* ── CTA section ────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--dark), var(--mid));
  color: var(--white);
  padding: 5rem 2rem;
  text-align: center;
}
.cta-section h2 { color: var(--white); margin-bottom: 1rem; }
.cta-section p { color: rgba(255,255,255,0.75); max-width: 500px; margin: 0 auto 2rem; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--white);
    padding: 1rem;
    gap: 0.25rem;
    border-top: 1px solid var(--gray-lt);
    box-shadow: 0 8px 16px rgba(0,0,0,0.08);
  }
  .nav-burger { display: flex; }
  .about-grid,
  .contact-grid,
  .service-full { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
}