:root {
  --bg: #f5f8fd;
  --surface: #ffffff;
  --surface-soft: #edf4fc;
  --ink: #2b2b2b;
  --ink-muted: #59626d;
  --primary: #3379d5;
  --primary-dark: #1f5fb3;
  --secondary: #3c8cd7;
  --line: #d7e2f1;
  --brand-gradient: linear-gradient(100deg, #245ca8, #3379d5 58%, #4d93e8);
  --shadow: 0 14px 36px rgba(6, 37, 67, 0.12);
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: "Source Sans Pro", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 5% 5%, #e2edfb 0, transparent 40%),
    radial-gradient(circle at 95% 18%, #eef4ff 0, transparent 34%),
    linear-gradient(180deg, #f7fafe 0%, #f2f6fc 36%, #f9fbff 100%);
  line-height: 1.5;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Oxygen", sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  top: -44px;
  left: 10px;
  background: var(--primary);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 100;
}

.skip-link:focus {
  top: 10px;
}

.topbar {
  background: var(--brand-gradient);
  color: #f2f5f9;
  font-size: 0.95rem;
}

.topbar-grid {
  display: flex;
  gap: 20px;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  flex-wrap: wrap;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 18px 0;
}

.nav ul {
  display: flex;
  list-style: none;
  gap: 20px;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

.nav ul a {
  color: inherit;
}

.nav ul a:hover {
  color: var(--primary);
}

.brand {
  font-family: "Oxygen", sans-serif;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  width: 172px;
  height: auto;
  display: block;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(120deg, var(--primary), #0b8fd8);
  color: #fff;
  box-shadow: 0 10px 26px rgba(12, 125, 189, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 14px 30px rgba(12, 125, 189, 0.34);
}

.nav .nav-cta {
  position: relative;
  border: 3px solid transparent;
  background:
    linear-gradient(var(--primary), var(--primary)) padding-box,
    linear-gradient(120deg, #9fd0ff, #ffffff, #9fd0ff) border-box;
  box-shadow:
    0 0 0 2px rgba(159, 208, 255, 0.55),
    0 12px 30px rgba(51, 121, 213, 0.45);
  animation: ctaBorderPulse 1.8s ease-in-out infinite;
  overflow: hidden;
}

.nav .nav-cta:hover {
  background:
    linear-gradient(var(--primary-dark), var(--primary-dark)) padding-box,
    linear-gradient(120deg, #9fd0ff, #ffffff, #9fd0ff) border-box;
}

.nav .nav-cta::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: linear-gradient(115deg, transparent 40%, rgba(255, 255, 255, 0.7) 50%, transparent 60%);
  transform: translateX(-80%) rotate(10deg);
  animation: ctaShimmer 1.8s linear infinite;
}

.nav .nav-cta > * {
  position: relative;
  z-index: 1;
}

@keyframes ctaBorderPulse {
  0%,
  100% {
    box-shadow:
      0 0 0 2px rgba(159, 208, 255, 0.55),
      0 12px 30px rgba(51, 121, 213, 0.45);
    transform: scale(1);
  }
  50% {
    box-shadow:
      0 0 0 4px rgba(255, 255, 255, 0.95),
      0 16px 34px rgba(51, 121, 213, 0.58);
    transform: scale(1.04);
  }
}

@keyframes ctaShimmer {
  0% {
    transform: translateX(-80%) rotate(10deg);
  }
  100% {
    transform: translateX(80%) rotate(10deg);
  }
}

.btn-secondary {
  background: linear-gradient(120deg, var(--secondary), #0ab7b7);
  color: #fff;
}

.btn-ghost {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.hero {
  position: relative;
  padding: 42px 0 56px;
  overflow: clip;
}

.hero-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: 1.2fr 0.8fr;
}

.hero-copy {
  display: grid;
  gap: 16px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-size: 0.78rem;
  color: var(--primary-dark);
  font-weight: 700;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  max-width: 19ch;
}

.lead {
  font-size: 1.15rem;
  color: var(--ink-muted);
  max-width: 58ch;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.hero-points {
  list-style: none;
  display: grid;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
  color: var(--ink-muted);
}

.hero-points li {
  padding-left: 24px;
  position: relative;
}

.hero-points li::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--secondary), var(--primary));
  position: absolute;
  left: 0;
  top: 9px;
}

.hero-card {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid #d6e8fa;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 24px;
  backdrop-filter: blur(4px);
  display: grid;
  gap: 12px;
  align-content: start;
}

.hero-card h2 {
  font-size: 1.2rem;
}

.hero-bg-shape {
  position: absolute;
  pointer-events: none;
  filter: blur(4px);
}

.hero-bg-shape-a {
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(10, 160, 213, 0.28), rgba(10, 160, 213, 0));
  right: -150px;
  top: -90px;
}

.hero-bg-shape-b {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(0, 166, 166, 0.22), rgba(0, 166, 166, 0));
  left: -120px;
  bottom: -170px;
}

.section {
  padding: 56px 0;
}

.section-soft {
  background: linear-gradient(180deg, rgba(235, 242, 251, 0.9), rgba(246, 249, 255, 0.94));
  border-block: 1px solid #d9e9f8;
}

.section-head {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

h2 {
  font-size: clamp(1.6rem, 2.2vw, 2.35rem);
}

.cards {
  display: grid;
  gap: 16px;
}

.estudios-media {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.estudio-shot {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 6px 16px rgba(8, 53, 91, 0.08);
}

.estudio-shot img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

.servicios-media {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.servicio-shot {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 6px 16px rgba(8, 53, 91, 0.08);
}

.servicio-shot img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.bajavision-media {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.bajavision-shot {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 6px 16px rgba(8, 53, 91, 0.08);
}

.bajavision-shot img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.cards.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: 0 6px 20px rgba(8, 53, 91, 0.07);
  display: grid;
  gap: 8px;
}

.card p {
  color: var(--ink-muted);
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
}

.list-block {
  border: 1px solid #bfe8e8;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 20px;
}

.list-block ul {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chips li {
  background: #fff;
  border: 1px solid #bcd8ee;
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 600;
  color: #23537b;
}

.helper {
  margin-top: 12px;
  color: var(--ink-muted);
}

.cta-band {
  background: linear-gradient(100deg, #245ca8, #3379d5 58%, #4d93e8);
  color: #eaf9ff;
}

.cta-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 20px;
  align-items: center;
}

.cta-grid h2 {
  color: #fff;
}

.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.cta-band .btn-ghost {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  background: transparent;
}

.footer {
  background: #ffffff;
  color: #2b2b2b;
  padding: 26px 0;
  border-top: 1px solid #d7e2f1;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

@media (max-width: 960px) {
  .hero-grid,
  .split,
  .cta-grid,
  .cards.three {
    grid-template-columns: 1fr;
  }

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

  .servicios-media {
    grid-template-columns: 1fr;
  }

  .bajavision-media {
    grid-template-columns: 1fr;
  }

  .cta-actions {
    justify-content: flex-start;
  }

  .nav {
    flex-wrap: wrap;
  }

  .nav ul {
    order: 3;
    width: 100%;
  }

}

@media (max-width: 620px) {
  .topbar-grid {
    gap: 8px;
    justify-content: flex-start;
  }

  .hero {
    padding-top: 28px;
  }

  .section {
    padding: 44px 0;
  }

  .btn {
    width: 100%;
  }

  .hero-actions,
  .cta-actions {
    width: 100%;
  }

  .estudios-media {
    grid-template-columns: 1fr;
  }

  .servicios-media {
    grid-template-columns: 1fr;
  }

  .bajavision-media {
    grid-template-columns: 1fr;
  }
}