:root {
  --bg: #ffffff;
  --bg-soft: #f4f6f8;
  --primary: #005a9c;
  --primary-dark: #004270;
  --accent: #f0a023;
  --text: #1f2933;
  --muted: #6b7280;
  --border: #dde2e7;
  --radius: 12px;
}

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

body {
  margin: 0;
  font-family: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}

img {
  max-width: 25%;
  display: block;
}

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

.container {
  width: min(1100px, 92vw);
  margin-inline: auto;
}

/* TOPBAR */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .7rem 0;
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: .7rem;
}

.logo {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
 
  
}

.brand-name {
  display: block;
  font-weight: 700;
  letter-spacing: .05em;
}

.brand-sub {
  display: block;
  font-size: .8rem;
  color: var(--muted);
}

.topbar__nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: .9rem;
}

.topbar__nav a {
  font-weight: 500;
}

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

/* HERO */

.hero {
  padding: 3.5rem 0 3rem;
  border-bottom: 1px solid var(--border);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.hero__copy h1 {
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin: 0 0 1rem;
}

.hero__copy p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.hero__bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.hero__bullets li::before {
  content: "• ";
  color: var(--primary);
}

.hero__image {
  border-radius: 18px;
  position: relative;
  overflow: hidden;
  min-height: 260px;
  background-image:
    linear-gradient(135deg, rgba(0, 90, 156, .4), rgba(0,0,0,.2)),
    url("https://images.pexels.com/photos/3614082/pexels-photo-3614082.jpeg?auto=compress&cs=tinysrgb&w=1200");
  background-size: cover;
  background-position: center;
}

.hero__overlay {
  position: absolute;
  inset: auto 1.5rem 1.5rem 1.5rem;
  padding: .7rem 1rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, .9);
  color: var(--text);
  font-size: .8rem;
}

.hero__overlay::before {
  content: "Reforma integral · Antes / Después";
  font-weight: 600;
}

/* SECCIONES */

.section {
  padding: 3rem 0;
}

.section--soft {
  background: var(--bg-soft);
}

.section__head h2 {
  margin: 0 0 .3rem;
  font-size: 1.6rem;
}

.section__head p {
  margin: 0 0 1.5rem;
  color: var(--muted);
}

/* CARDS SERVICIOS */

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.card {
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: 0 8px 20px rgba(15, 23, 42, .03);
  transition: transform .15s ease, box-shadow .15s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 30px rgba(15, 23, 42, .08);
}

.card h3 {
  margin: 0 0 .5rem;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
}

/* GALERÍA */

.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.gallery__item {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  font-size: .85rem;
}

.gallery__img {
  height: 160px;
  background-size: cover;
  background-position: center;
}

.gallery__img--1 {
  background-image: url("https://images.pexels.com/photos/1454806/pexels-photo-1454806.jpeg?auto=compress&cs=tinysrgb&w=1200");
}
.gallery__img--2 {
  background-image: url("https://images.pexels.com/photos/7097655/pexels-photo-7097655.jpeg?auto=compress&cs=tinysrgb&w=1200");
}
.gallery__img--3 {
  background-image: url("https://images.pexels.com/photos/1571460/pexels-photo-1571460.jpeg?auto=compress&cs=tinysrgb&w=1200");
}
.gallery__img--4 {
  background-image: url("https://images.pexels.com/photos/3965550/pexels-photo-3965550.jpeg?auto=compress&cs=tinysrgb&w=1200");
}

.gallery__item figcaption {
  padding: .6rem .8rem .8rem;
}

/* FEATURE */

.feature {
  display: grid;
  grid-template-columns: 1.5fr .7fr;
  gap: 2rem;
  align-items: center;
}

.feature__list {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--muted);
}

.feature__list li + li {
  margin-top: .6rem;
}

.feature__box {
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 12px 25px rgba(148, 163, 184, .25);
}

.feature__big {
  margin: 0 0 .4rem;
  font-size: 2.3rem;
  font-weight: 700;
  color: var(--primary);
}

/* CONTACTO */

.contact {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr;
  gap: 2rem;
  align-items: flex-start;
}

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

.contact__info ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: .95rem;
}

.contact__info li + li {
  margin-top: .3rem;
}

.form {
  padding: 1.2rem;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--border);
  display: grid;
  gap: .7rem;
}

.form label {
  font-size: .85rem;
  font-weight: 500;
  display: grid;
  gap: .2rem;
}

input,
textarea,
select {
  border-radius: 8px;
  border: 1px solid var(--border);
  padding: .55rem .6rem;
  font: inherit;
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid rgba(0, 90, 156, .3);
  border-color: var(--primary);
}

.form__small {
  margin: 0;
  font-size: .8rem;
  color: var(--muted);
}

.form__ok {
  font-size: .85rem;
  color: #15803d;
  margin: 0;
}

/* FOOTER */

.footer {
  border-top: 1px solid var(--border);
  padding: 1.2rem 0;
  font-size: .8rem;
  background: #f9fafb;
}

.footer__grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer__links {
  display: flex;
  gap: 1rem;
}

.footer__links a {
  color: var(--muted);
}

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

/* BOTONES */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .55rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  background: transparent;
}

.btn--primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.btn--primary:hover {
  background: var(--primary-dark);
}

/* RESPONSIVE */

@media (max-width: 960px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
  .hero__image {
    order: -1;
  }
  .cards,
  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature {
    grid-template-columns: 1fr;
  }
  .contact {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .topbar__nav a:not(.btn) {
    display: none;
  }
  .topbar__nav {
    gap: .5rem;
  }
  .cards,
  .gallery {
    grid-template-columns: 1fr;
  }
}