:root {
  --deep-blue: #0a3d62;
  --slate-blue: #4c5b70;
  --light-gray: #f2f4f7;
  --white: #ffffff;
  --soft-gold: #c9a86a;
  --text-main: #22313f;
  --container: min(1120px, 92vw);
  --shadow-card: 0 18px 35px rgba(10, 61, 98, 0.12);
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at 85% -15%, rgba(201, 168, 106, 0.2), transparent 50%),
    linear-gradient(180deg, #f8fafc 0%, var(--light-gray) 100%);
  line-height: 1.6;
}

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

h1,
h2,
h3 {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  line-height: 1.2;
  color: var(--deep-blue);
}

p {
  margin: 0;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(76, 91, 112, 0.16);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 1rem;
}

.brand img {
  width: clamp(155px, 40vw, 300px);
}

.nav-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.nav-toggle-label {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid rgba(10, 61, 98, 0.2);
  display: grid;
  align-items: center;
  justify-items: center;
  cursor: pointer;
}

.nav-toggle-label span {
  width: 22px;
  height: 2.6px;
  border-radius: 2px;
  background-color: var(--deep-blue);
  display: block;
  margin: 2.5px 0;
}

.main-nav {
  position: absolute;
  top: calc(100% + 1px);
  left: 0;
  right: 0;
  display: grid;
  gap: 0.25rem;
  padding: 0.8rem;
  background: var(--white);
  border-bottom: 1px solid rgba(76, 91, 112, 0.16);
  transform-origin: top;
  transform: scaleY(0);
  opacity: 0;
  transition: transform 220ms ease, opacity 220ms ease;
}

.main-nav a {
  text-decoration: none;
  color: var(--deep-blue);
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-radius: 10px;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  background: rgba(10, 61, 98, 0.08);
  outline: none;
}

.nav-toggle:checked ~ .main-nav {
  transform: scaleY(1);
  opacity: 1;
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: 60vh;
  display: grid;
  align-items: center;
  background-image: url("img/fondo-principal.jpg");
  background-position: center;
  background-size: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(10, 61, 98, 0.88) 0%, rgba(10, 61, 98, 0.58) 45%, rgba(76, 91, 112, 0.42) 100%),
    radial-gradient(circle at 80% 40%, rgba(201, 168, 106, 0.35), transparent 48%);
  z-index: -1;
}

.hero-content {
  color: var(--white);
  padding: 3.5rem 0;
}

.hero-kicker {
  letter-spacing: 0.07em;
  text-transform: uppercase;
  font-weight: 600;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero h1 {
  margin-top: 0.7rem;
  font-size: clamp(1.95rem, 6vw, 3.6rem);
  color: var(--white);
  max-width: 11ch;
}

.hero-sub {
  margin-top: 0.95rem;
  font-size: clamp(1rem, 2.7vw, 1.35rem);
  max-width: 30ch;
}

.hero-detail {
  margin-top: 0.8rem;
  max-width: 54ch;
  color: rgba(255, 255, 255, 0.92);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-family: "Montserrat", sans-serif;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 0.9rem 1.3rem;
  border-radius: 999px;
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
  margin-top: 1.4rem;
}

.btn-gold {
  background: linear-gradient(125deg, #dbc08e 0%, var(--soft-gold) 52%, #b79352 100%);
  color: #213041;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.24);
}

.btn-gold:hover,
.btn-gold:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.03);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.3);
  outline: none;
}

.services {
  padding: 4.2rem 0;
}

.services h2 {
  text-align: center;
  font-size: clamp(1.55rem, 4vw, 2.2rem);
}

.section-intro {
  margin: 0.9rem auto 0;
  max-width: 64ch;
  text-align: center;
  color: var(--slate-blue);
}

.services-grid {
  margin-top: 1.75rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  border: 1px solid rgba(76, 91, 112, 0.12);
  box-shadow: var(--shadow-card);
}

.service-card i {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  color: var(--deep-blue);
  background: linear-gradient(130deg, rgba(201, 168, 106, 0.22), rgba(10, 61, 98, 0.16));
  font-size: 1.22rem;
}

.service-card h3 {
  margin-top: 0.8rem;
  font-size: 1.08rem;
}

.service-card p {
  margin-top: 0.35rem;
  color: var(--slate-blue);
  font-size: 0.95rem;
}

.about {
  padding: 0.2rem 0 4.2rem;
}

.about-grid {
  display: grid;
  gap: 1.25rem;
}

.about-photo {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.about-photo img {
  width: 100%;
  height: clamp(260px, 64vw, 520px);
  object-fit: cover;
}

.about-copy {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(76, 91, 112, 0.12);
  padding: 1.4rem;
  box-shadow: var(--shadow-card);
}

.about-copy h2 {
  font-size: 1.7rem;
}

.about-copy h3 {
  margin-top: 0.5rem;
  color: var(--slate-blue);
  font-size: 1.2rem;
}

.about-copy p {
  margin-top: 0.85rem;
}

.cta {
  position: relative;
  isolation: isolate;
  padding: 4.2rem 0;
  text-align: center;
  color: var(--white);
  background-image: url("img/fondo-panoramico-inferior.jpg");
  background-position: bottom;
  background-size: cover;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(10, 61, 98, 0.82), rgba(10, 61, 98, 0.72)),
    radial-gradient(circle at 22% 20%, rgba(201, 168, 106, 0.38), transparent 42%);
}

.cta h2 {
  color: var(--white);
  font-size: clamp(1.3rem, 4.6vw, 2.4rem);
  max-width: 24ch;
  margin-inline: auto;
}

.cta-lead {
  margin: 0.95rem auto 0;
  max-width: 60ch;
  color: rgba(255, 255, 255, 0.9);
}

.site-footer {
  background: var(--deep-blue);
  color: var(--white);
  padding: 2rem 0;
}

.footer-grid {
  display: grid;
  gap: 1rem;
  align-items: center;
}

.site-footer h2 {
  color: var(--white);
  font-size: 1.28rem;
}

.site-footer p {
  margin-top: 0.45rem;
}

.site-footer i {
  color: var(--soft-gold);
  margin-right: 0.32rem;
}

.socials {
  display: flex;
  gap: 0.55rem;
}

.socials a {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  text-decoration: none;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.38);
  transition: transform 180ms ease, background-color 180ms ease;
}

.socials a:hover,
.socials a:focus-visible {
  transform: translateY(-2px);
  background-color: rgba(255, 255, 255, 0.12);
  outline: none;
}

.site-footer .socials a i {
  margin-right: 0;
}

@media (min-width: 620px) {
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .nav-toggle-label {
    display: none;
  }

  .main-nav {
    position: static;
    transform: none;
    opacity: 1;
    border: 0;
    padding: 0;
    display: flex;
    align-items: center;
    background: transparent;
  }

  .main-nav a {
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
  }

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

  .about-grid {
    grid-template-columns: minmax(280px, 0.95fr) 1.05fr;
    align-items: stretch;
  }

  .footer-grid {
    grid-template-columns: 1fr auto;
  }
}