:root {
  --yellow: #f5b400;
  --yellow-dark: #d89d00;
  --ink: #17191b;
  --muted: #666b70;
  --line: #e4e5e7;
  --surface: #ffffff;
  --soft: #f5f5f3;
  --dark: #232628;
  --green: #20b958;
  --radius: 18px;
  --shadow: 0 14px 34px rgba(25, 28, 30, 0.09);
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

body.menu-open {
  overflow: hidden;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 999;
  padding: 10px 16px;
  transform: translateY(-150%);
  border-radius: 8px;
  background: var(--ink);
  color: white;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  min-height: 78px;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  gap: 10px;
}

.brand-logo-header {
  width: 58px;
  height: 58px;
  flex: 0 0 58px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 5px 14px rgba(23, 25, 27, 0.1);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1.1rem;
  letter-spacing: 0.015em;
}

.brand small {
  color: var(--muted);
  font-size: 0.61rem;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: 22px;
  font-size: 0.88rem;
  font-weight: 650;
}

.main-nav a {
  position: relative;
  padding-block: 28px;
  white-space: nowrap;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  height: 3px;
  transform: scaleX(0);
  border-radius: 999px;
  background: var(--yellow);
  content: "";
  transition: transform 180ms ease;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.25rem;
  border: 2px solid transparent;
  border-radius: 10px;
  font-weight: 800;
  line-height: 1.15;
  text-align: center;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button-primary {
  background: var(--yellow);
  box-shadow: 0 8px 20px rgba(245, 180, 0, 0.24);
}

.button-primary:hover {
  background: #ffc21d;
}

.button-outline {
  border-color: var(--yellow);
  background: white;
}

.button-dark {
  background: var(--ink);
  color: white;
}

.button-small {
  min-height: 38px;
  padding: 0.55rem 1rem;
  font-size: 0.88rem;
}

.header-cta {
  min-height: 42px;
  padding-inline: 1rem;
  font-size: 0.84rem;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin-block: 5px;
  background: var(--ink);
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(110deg, rgba(255, 255, 255, 0.98), rgba(245, 245, 243, 0.84)),
    url("images/texturaconcreto.jpeg") center / 520px auto repeat;
}

.hero::after {
  position: absolute;
  right: -90px;
  bottom: -180px;
  width: 360px;
  height: 360px;
  border: 38px solid rgba(245, 180, 0, 0.18);
  border-radius: 50%;
  content: "";
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 610px;
  align-items: center;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 54px;
  padding-block: 72px;
}

.hero-copy h1 {
  max-width: 710px;
  margin: 0.35rem 0 1rem;
  font-size: clamp(2.6rem, 5vw, 4.7rem);
  line-height: 0.99;
  letter-spacing: -0.055em;
}

.hero-copy h1 em {
  color: var(--yellow);
  font-style: normal;
}

.hero-copy > p {
  max-width: 600px;
  margin: 0;
  color: #43484c;
  font-size: 1.16rem;
}

.eyebrow {
  display: inline-block;
  color: #966d00;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-tags {
  display: flex;
  margin: 38px 0 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: white;
  box-shadow: var(--shadow);
  list-style: none;
}

.hero-tags li {
  flex: 1;
  padding: 14px 12px;
  text-align: center;
}

.hero-tags li + li {
  border-left: 1px solid var(--line);
}

.media-placeholder {
  display: grid;
  overflow: hidden;
  min-height: 200px;
  place-content: center;
  border: 1px dashed #b7babd;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(245, 180, 0, 0.1), rgba(255, 255, 255, 0.4)),
    repeating-linear-gradient(-45deg, #ececea 0 14px, #f4f4f2 14px 28px);
  color: #666a6d;
  text-align: center;
}

.media-placeholder span {
  font-weight: 800;
}

.media-placeholder small {
  display: block;
  margin-top: 5px;
}

.hero-media {
  min-height: 470px;
  box-shadow: var(--shadow);
}

.section {
  padding-block: 92px;
}

.section-muted {
  position: relative;
  background:
    linear-gradient(rgba(245, 245, 243, 0.93), rgba(245, 245, 243, 0.93)),
    url("images/texturaconcreto.jpeg") center / 420px auto repeat;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.75), inset 0 -1px rgba(23, 25, 27, 0.05);
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-heading.compact {
  margin-bottom: 34px;
}

.section-heading h2,
.about-grid h2,
.contact-banner h2 {
  margin: 0.25rem 0 0.65rem;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
}

.row-heading {
  display: flex;
  max-width: none;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  text-align: left;
}

.row-heading p {
  max-width: 390px;
  text-align: right;
}

.card-grid {
  display: grid;
  gap: 20px;
}

.four-columns {
  grid-template-columns: repeat(4, 1fr);
}

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

.info-card {
  padding: 30px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 12px 30px rgba(25, 28, 30, 0.055);
  text-align: center;
}

.info-card .icon {
  display: grid;
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  place-items: center;
  border: 2px solid var(--ink);
  border-radius: 15px;
  background: var(--yellow);
  font-size: 1.25rem;
  font-weight: 900;
}

.info-card h3,
.product-card h3,
.project-card h3 {
  margin: 0 0 7px;
  line-height: 1.18;
}

.info-card p,
.product-card p,
.project-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.process-list {
  display: grid;
  margin: 0;
  padding: 0;
  counter-reset: step;
  gap: 14px;
  grid-template-columns: repeat(6, 1fr);
  list-style: none;
}

.process-list li {
  position: relative;
  min-height: 150px;
  padding: 54px 15px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: white;
  text-align: center;
}

.process-list li::before {
  position: absolute;
  top: 15px;
  left: 50%;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  transform: translateX(-50%);
  border-radius: 50%;
  background: var(--yellow);
  content: counter(step);
  counter-increment: step;
  font-size: 0.8rem;
  font-weight: 900;
}

.process-list strong,
.process-list span {
  display: block;
}

.process-list span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.8rem;
}

.product-card,
.project-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 12px 30px rgba(25, 28, 30, 0.055);
}

.product-card.featured {
  border: 2px solid var(--yellow);
}

.badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--yellow);
  font-size: 0.68rem;
  font-weight: 900;
  text-transform: uppercase;
}

.product-media {
  min-height: 210px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
}

.product-content {
  display: flex;
  min-height: 240px;
  flex-direction: column;
  align-items: flex-start;
  padding: 24px;
}

.product-content .button {
  width: 100%;
  margin-top: auto;
}

.sizes {
  display: flex;
  margin: 15px 0 20px;
  padding: 0;
  gap: 8px;
  list-style: none;
}

.sizes li {
  padding: 3px 8px;
  border: 1px solid var(--yellow);
  border-radius: 6px;
  font-size: 0.76rem;
  font-weight: 800;
}

.project-media {
  min-height: 230px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
}

.project-card > div:last-child {
  position: relative;
  padding: 20px 78px 20px 20px;
}

.project-card > div:last-child > span {
  position: absolute;
  top: 22px;
  right: 18px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}

.about-grid {
  display: grid;
  align-items: center;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
}

.about-grid p {
  color: var(--muted);
  font-size: 1.03rem;
}

.about-media {
  min-height: 390px;
}

.check-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  margin-top: 10px;
  padding-left: 32px;
  font-weight: 700;
}

.check-list li::before {
  position: absolute;
  top: 1px;
  left: 0;
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 50%;
  background: var(--yellow);
  content: "✓";
  font-size: 0.8rem;
}

.contact-banner {
  padding-block: 58px;
  background:
    linear-gradient(110deg, rgba(245, 180, 0, 0.94), rgba(255, 201, 56, 0.9)),
    url("images/texturaconcreto.jpeg") center 42% / 520px auto repeat;
}

.contact-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.contact-banner .eyebrow {
  color: #342600;
}

.contact-banner h2 {
  margin-bottom: 6px;
}

.contact-banner p {
  margin: 0;
}

.site-footer {
  padding-top: 68px;
  background: var(--dark);
  color: #f6f6f5;
}

.footer-grid {
  display: grid;
  gap: 48px;
  grid-template-columns: 1.4fr 1.2fr 0.8fr 1fr;
}

.brand-light small,
.footer-grid p,
.footer-list {
  color: #bfc2c3;
}

.footer-brand > p {
  margin: 16px 0 0;
  font-size: 0.82rem;
  text-transform: uppercase;
}

.footer-logo-link {
  display: block;
  width: min(100%, 190px);
  padding: 8px;
  border-radius: 16px;
  background: white;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
}

.brand-logo-footer {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 10px;
  object-fit: cover;
}

.footer-grid h3 {
  margin: 0 0 16px;
  color: var(--yellow);
  font-size: 0.95rem;
}

.footer-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-list li {
  margin-top: 8px;
  font-size: 0.9rem;
}

.footer-list a:hover {
  color: var(--yellow);
}

.footer-bottom {
  margin-top: 48px;
  padding-block: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #a7aaac;
  font-size: 0.82rem;
  text-align: center;
}

.footer-bottom p {
  margin: 0;
}

.floating-whatsapp {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 80;
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 4px solid white;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
  color: white;
  font-size: 0.8rem;
  font-weight: 900;
}

@media (max-width: 1120px) {
  .header-cta {
    display: none;
  }

  .main-nav {
    gap: 17px;
  }

  .four-columns {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .header-inner {
    min-height: 70px;
  }

  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: 70px;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    visibility: hidden;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    transform: translateX(100%);
    background: white;
    opacity: 0;
    transition: transform 200ms ease, opacity 200ms ease, visibility 200ms;
  }

  .main-nav.open {
    visibility: visible;
    transform: translateX(0);
    opacity: 1;
  }

  .main-nav a {
    padding: 17px 24px;
    border-bottom: 1px solid var(--line);
    font-size: 1rem;
  }

  .main-nav a::after {
    display: none;
  }

  .hero-grid {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-block: 64px;
  }

  .hero-media {
    min-height: 360px;
  }

  .three-columns,
  .about-grid,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    gap: 36px;
  }

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

@media (max-width: 620px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .brand strong {
    font-size: 0.96rem;
  }

  .brand-logo-header {
    width: 52px;
    height: 52px;
    flex-basis: 52px;
  }

  .hero-grid {
    gap: 35px;
  }

  .hero-copy h1 {
    font-size: clamp(2.45rem, 12.5vw, 3.5rem);
  }

  .hero-tags {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-tags li + li {
    border-left: 0;
  }

  .hero-tags li:nth-child(even) {
    border-left: 1px solid var(--line);
  }

  .hero-tags li:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .section {
    padding-block: 68px;
  }

  .row-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .row-heading p {
    text-align: left;
  }

  .four-columns,
  .three-columns,
  .process-list,
  .about-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions .button,
  .contact-banner .button {
    width: 100%;
  }

  .product-content {
    min-height: 220px;
  }

  .about-media {
    min-height: 280px;
  }

  .floating-whatsapp {
    right: 14px;
    bottom: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}
