/* trega.css | Estilos base del sitio TREGA Construcción y Minería */

/* SECCIÓN: FUENTES LOCALES */
@font-face {
  font-family: "Geist";
  src: url("fonts/geist/Geist-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Geist";
  src: url("fonts/geist/Geist-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Geist";
  src: url("fonts/geist/Geist-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Lora";
  src: url("fonts/lora/Lora-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* SECCIÓN: VARIABLES DEL SISTEMA */
:root {
  --trega-navy: #163e5c;
  --trega-graphite: #1e2f3a;
  --trega-white: #ffffff;

  --trega-steel: #294f60;
  --trega-petroleum: #275a5f;
  --trega-slate: #3d4e57;
  --trega-ochre: #b8792b;
  --trega-amber: #c99324;
  --trega-copper: #9b5a34;

  --trega-ink: #152833;
  --trega-muted: #5e6a71;
  --trega-soft: #f4f7f8;
  --trega-border: rgba(30, 47, 58, 0.14);

  --font-primary: "Geist", Arial, sans-serif;
  --font-secondary: "Lora", Georgia, serif;
  --font-system: Arial, sans-serif;

  --topbar-height: 38px;
  --navbar-height: 86px;
  --header-height: calc(var(--topbar-height) + var(--navbar-height));

  --shadow-soft: 0 18px 42px rgba(30, 47, 58, 0.08);
  --shadow-strong: 0 22px 60px rgba(30, 47, 58, 0.16);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.16, 1, 0.3, 1);
}

/* SECCIÓN: BASE GLOBAL */
html {
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  position: relative;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
  color: var(--trega-ink);
  font-family: var(--font-primary);
  background: var(--trega-white);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

@supports not (overflow-x: clip) {
  html,
  body {
    overflow-x: hidden;
  }
}

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

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

a:hover {
  color: inherit;
}

p {
  line-height: 1.72;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--trega-graphite);
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.7rem);
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
}

/* SECCIÓN: ACCESIBILIDAD */
.skip-link {
  position: absolute;
  left: 1rem;
  top: 0.75rem;
  z-index: 2000;
  transform: translateY(-140%);
  padding: 0.75rem 1rem;
  border-radius: 999px;
  color: var(--trega-white);
  background: var(--trega-graphite);
  transition: transform 0.2s ease;
}

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

/* SECCIÓN: ESPACIADOS GENERALES */
.section-pad-lg {
  padding: clamp(5rem, 8vw, 8rem) 0;
}

.section-pad {
  padding: clamp(4.5rem, 7vw, 7rem) 0;
}

.section-pad-sm {
  padding: clamp(3.5rem, 5vw, 5rem) 0;
}

/* SECCIÓN: EYEBROW */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
  color: var(--trega-navy);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 2.3rem;
  height: 1px;
  background: currentColor;
}

/* SECCIÓN: BOTONES */
.btn {
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition:
    transform 0.22s var(--ease-out),
    box-shadow 0.22s var(--ease-out),
    background-color 0.22s var(--ease-out),
    border-color 0.22s var(--ease-out),
    color 0.22s var(--ease-out);
}

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

.btn-trega-primary {
  border: 1px solid var(--trega-navy);
  color: var(--trega-white);
  background: var(--trega-navy);
  box-shadow: 0 12px 24px rgba(22, 62, 92, 0.16);
}

.btn-trega-primary:hover {
  color: var(--trega-white);
  background: var(--trega-graphite);
  border-color: var(--trega-graphite);
  box-shadow: 0 16px 30px rgba(30, 47, 58, 0.2);
}

.btn-trega-accent {
  border: 1px solid var(--trega-amber);
  color: var(--trega-graphite);
  background: var(--trega-amber);
  box-shadow: 0 12px 24px rgba(201, 147, 36, 0.18);
}

.btn-trega-accent:hover {
  color: var(--trega-graphite);
  background: #d7a034;
  border-color: #d7a034;
}

.btn-trega-outline {
  border: 1px solid rgba(22, 62, 92, 0.28);
  color: var(--trega-navy);
  background: transparent;
}

.btn-trega-outline:hover {
  border-color: var(--trega-navy);
  color: var(--trega-white);
  background: var(--trega-navy);
}

.btn-trega-light {
  border: 1px solid rgba(255, 255, 255, 0.34);
  color: var(--trega-white);
  background: rgba(255, 255, 255, 0.08);
}

.btn-trega-light:hover {
  border-color: var(--trega-white);
  color: var(--trega-graphite);
  background: var(--trega-white);
}

/* SECCIÓN: ENLACES DE TEXTO */
.text-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--trega-navy);
  font-weight: 700;
}

.text-link::after {
  content: "";
  width: 2rem;
  height: 1px;
  background: currentColor;
  transform-origin: left center;
  transition: transform 0.22s var(--ease-out);
}

.text-link:hover::after {
  transform: scaleX(1.45);
}

/* SECCIÓN: COMPONENTES COMPARTIDOS GLOBALES */
.top-bar {
  position: relative;
  z-index: 20;
  min-height: var(--topbar-height);
  color: rgba(255, 255, 255, 0.9);
  background: var(--trega-graphite);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
}

.top-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--topbar-height);
  gap: 1rem;
}

.top-bar p {
  margin: 0;
  line-height: 1;
}

.top-bar__label {
  letter-spacing: 0.05em;
}

.top-bar__links {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.top-bar__links a {
  position: relative;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1;
  transition:
    color 0.22s var(--ease-out),
    opacity 0.22s var(--ease-out);
}

.top-bar__links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.34rem;
  height: 1px;
  border-radius: 999px;
  background: var(--trega-amber);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.24s var(--ease-out);
}

.top-bar__links a:hover {
  color: var(--trega-white);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
}

.trega-navbar {
  min-height: 76px;
  background: rgba(255, 255, 255, 0.62);
  border-bottom: 1px solid rgba(30, 47, 58, 0.1);
  box-shadow: 0 10px 30px rgba(30, 47, 58, 0.045);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
}

.trega-navbar__brand {
  display: inline-flex;
  align-items: center;
}

.trega-navbar__brand img {
  max-height: 52px;
  object-fit: contain;
}

.trega-navbar .navbar-nav {
  gap: 0.15rem;
}

.trega-navbar .nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding-inline: 0.85rem;
  color: rgba(30, 47, 58, 0.78);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.trega-navbar .nav-link.active,
.trega-navbar .nav-link[aria-current="page"] {
  color: var(--trega-navy);
}

.trega-navbar__toggle {
  border: 1px solid rgba(30, 47, 58, 0.16);
  border-radius: 999px;
  box-shadow: none;
}

.trega-navbar__toggle:focus {
  box-shadow: 0 0 0 0.18rem rgba(22, 62, 92, 0.16);
}

.trega-navbar__cta {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: 1rem;
}

.site-footer {
  color: rgba(255, 255, 255, 0.74);
  background: var(--trega-graphite);
  padding: 4rem 0 1.5rem;
}

.site-footer__logo {
  display: inline-flex;
  margin-bottom: 1rem;
}

.site-footer p {
  max-width: 410px;
}

.site-footer h2 {
  margin-bottom: 1rem;
  color: var(--trega-white);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer ul {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.74);
  transition: color 0.2s ease;
}

.site-footer a:hover {
  color: var(--trega-white);
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.9rem;
}

.site-footer__bottom p {
  margin: 0;
}

.whatsapp-float {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 1100;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.65rem;
  height: 3.65rem;
  border-radius: 50%;
  color: var(--trega-white);
  background: #25d366;
  box-shadow: 0 14px 30px rgba(37, 211, 102, 0.3);
  transition:
    transform 0.22s var(--ease-out),
    box-shadow 0.22s var(--ease-out);
}

.whatsapp-float:hover {
  color: var(--trega-white);
  transform: translateY(-3px);
  box-shadow: 0 18px 36px rgba(37, 211, 102, 0.36);
}

/* SECCIÓN: MOTOR DE ANIMACIÓN INTERSECCIÓN */
[data-reveal] {
  opacity: 0;
  transition:
    opacity 0.7s var(--ease-soft),
    transform 0.7s var(--ease-soft),
    clip-path 0.85s var(--ease-soft);
  transition-delay: var(--reveal-delay, 0ms);
}

[data-reveal="fade-up"] {
  transform: translate3d(0, 22px, 0);
}

[data-reveal="fade-left"] {
  transform: translate3d(24px, 0, 0);
}

[data-reveal="fade-right"] {
  transform: translate3d(-24px, 0, 0);
}

[data-reveal="clip"] {
  transform: translate3d(16px, 0, 0);
  clip-path: inset(0 0 0 18%);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

[data-reveal="clip"].is-visible {
  clip-path: inset(0 0 0 0);
}