/* ===================== FONTS ===================== */
@font-face {
  font-family: 'Goldman';
  src: url('../assets/fonts/Goldman-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Goldman';
  src: url('../assets/fonts/Goldman-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ===================== TOKENS ===================== */
:root {
  --azul-petroleo: #00333D;
  --verde-bosque: #1F5A46;
  --dorado: #C5A45D;
  --blanco: #FFFFFF;
  --gris-claro: #F4F6F5;
  --carbon: #1E272B;
  --gris-medio: #68757A;

  --font: 'Goldman', 'Segoe UI', Arial, sans-serif;

  --radius: 14px;
  --shadow-sm: 0 2px 10px rgba(0, 51, 61, 0.08);
  --shadow-md: 0 12px 32px rgba(0, 51, 61, 0.12);
  --shadow-lg: 0 24px 60px rgba(0, 51, 61, 0.18);

  --container: 1180px;
  --transition: 0.25s ease;
}

/* ===================== RESET ===================== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--carbon);
  background: var(--blanco);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: 0.2px;
  color: var(--azul-petroleo);
  line-height: 1.25;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font);
  font-weight: 700;
  letter-spacing: 0.3px;
  border-radius: 999px;
  padding: 14px 28px;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn--sm { padding: 10px 20px; font-size: 0.85rem; }
.btn--lg { padding: 16px 32px; font-size: 1rem; }
.btn--full { width: 100%; }

.btn--primary {
  background: var(--dorado);
  color: var(--azul-petroleo);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: #d4b370;
}

.btn--ghost {
  background: transparent;
  color: var(--blanco);
  border: 2px solid rgba(255,255,255,0.5);
}
.btn--ghost:hover {
  border-color: var(--blanco);
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}

.icon-wa { width: 18px; height: 18px; fill: currentColor; flex-shrink: 0; }

/* ===================== HEADER ===================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.header.scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: rgba(0,51,61,0.06);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.brand__logo { height: 42px; width: auto; }

.nav {
  display: flex;
  gap: 32px;
}
.nav__link {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--azul-petroleo);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition);
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  height: 2px; width: 0;
  background: var(--dorado);
  transition: width var(--transition);
}
.nav__link:hover { color: var(--verde-bosque); }
.nav__link:hover::after { width: 100%; }
.nav__link--cta { display: none; }

.header__actions { display: flex; align-items: center; gap: 18px; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  padding: 4px;
}
.burger span {
  height: 2px;
  width: 100%;
  background: var(--azul-petroleo);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================== HERO ===================== */
.hero {
  position: relative;
  padding: 160px 0 100px;
  background: linear-gradient(160deg, var(--azul-petroleo) 0%, #002830 55%, var(--verde-bosque) 130%);
  color: var(--blanco);
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 85% 15%, rgba(197,164,93,0.18), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(31,90,70,0.35), transparent 50%);
  pointer-events: none;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 18px;
  font-weight: 700;
}

.hero__title {
  color: var(--blanco);
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.2;
  margin-bottom: 22px;
}
.hero__title span { color: var(--dorado); }

.hero__text {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.82);
  max-width: 560px;
  margin-bottom: 36px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 56px;
}

.hero__stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.stat dt {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--dorado);
}
.stat dd {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
}

.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
}
.hero__topo { width: 100%; max-width: 440px; }
.topo-ring { fill: none; stroke: rgba(255,255,255,0.18); stroke-width: 1.5; }
.topo-ring--2 { stroke: rgba(197,164,93,0.35); }
.topo-ring--4 { stroke: rgba(255,255,255,0.28); }
.topo-dot { fill: var(--dorado); }
.topo-cross { stroke: rgba(255,255,255,0.15); stroke-width: 1; }

.hero__badge {
  position: absolute;
  top: 50%;
  left: 50%;
  /* anchor on the crosshair focal point of the artwork, not the image's bounding-box center */
  transform: translate(-48.2%, -59.45%);
  width: 220px;
  filter: brightness(0) invert(1) drop-shadow(0 16px 34px rgba(0,0,0,0.35));
  opacity: 0.95;
}

/* ===================== TRUST STRIP ===================== */
.trust {
  background: var(--gris-claro);
  padding: 22px 0;
  border-bottom: 1px solid rgba(0,51,61,0.06);
}
.trust__inner p {
  text-align: center;
  font-size: 0.85rem;
  color: var(--gris-medio);
  letter-spacing: 0.4px;
}

/* ===================== SECTION HEAD ===================== */
.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  margin: 14px 0 16px;
}
.section-head p { color: var(--gris-medio); font-size: 1rem; }
.section-head--light .eyebrow { color: var(--dorado); }
.section-head--light h2 { color: var(--blanco); }
.section-head--light p { color: rgba(255,255,255,0.72); }

/* ===================== SERVICES ===================== */
.services { padding: 110px 0; background: var(--blanco); }

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--gris-claro);
  border-radius: var(--radius);
  padding: 40px 32px;
  border: 1px solid rgba(0,51,61,0.06);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(197,164,93,0.4);
}
.service-card--featured {
  background: var(--azul-petroleo);
  color: var(--blanco);
}
.service-card--featured h3,
.service-card--featured p,
.service-card--featured .service-card__list li { color: var(--blanco); }
.service-card--featured .service-card__list li::before { color: var(--dorado); }
.service-card--featured .service-card__icon {
  background: rgba(255,255,255,0.1);
}
.service-card--featured .service-card__icon svg { fill: var(--dorado); stroke: var(--dorado); }
.service-card--featured .service-card__link { color: var(--dorado); }

.service-card__icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: rgba(31,90,70,0.08);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
}
.service-card__icon svg {
  width: 30px; height: 30px;
  fill: var(--verde-bosque);
}
.service-card h3 { font-size: 1.35rem; margin-bottom: 12px; }
.service-card > p { color: var(--gris-medio); margin-bottom: 20px; font-size: 0.95rem; }

.service-card__list { margin-bottom: 24px; flex-grow: 1; }
.service-card__list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--carbon);
}
.service-card__list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--dorado);
  font-weight: 700;
}

.service-card__link {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--verde-bosque);
  transition: gap var(--transition);
}
.service-card__link:hover { text-decoration: underline; }

/* ===================== ABOUT ===================== */
.about { padding: 110px 0; background: var(--gris-claro); }
.about__inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: center;
}
.about__frame {
  background: var(--blanco);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0,51,61,0.06);
}
.about-line { fill: none; stroke: var(--verde-bosque); stroke-width: 2; opacity: 0.55; }
.about-line:nth-child(2) { stroke: var(--azul-petroleo); opacity: 0.7; }
.about-line:nth-child(4) { stroke: var(--dorado); opacity: 0.9; }

.about__content p { color: var(--gris-medio); margin: 18px 0 32px; max-width: 560px; }

.features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.feature { display: flex; gap: 14px; }
.feature__icon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--verde-bosque);
  color: var(--blanco);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}
.feature h4 { font-size: 1rem; margin-bottom: 4px; }
.feature p { font-size: 0.87rem; color: var(--gris-medio); margin: 0; }

/* ===================== PROCESS ===================== */
.process {
  padding: 110px 0;
  background: var(--azul-petroleo);
  color: var(--blanco);
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: background var(--transition), transform var(--transition);
}
.step:hover { background: rgba(255,255,255,0.09); transform: translateY(-4px); }
.step__num {
  display: inline-block;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--dorado);
  margin-bottom: 16px;
}
.step h3 { color: var(--blanco); font-size: 1.1rem; margin-bottom: 10px; }
.step p { color: rgba(255,255,255,0.7); font-size: 0.9rem; }

/* ===================== CTA ===================== */
.cta {
  background: linear-gradient(120deg, var(--verde-bosque), #143d31);
  padding: 64px 0;
}
.cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta h2 { color: var(--blanco); font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin-bottom: 8px; }
.cta p { color: rgba(255,255,255,0.8); }

/* ===================== CONTACT ===================== */
.contact { padding: 110px 0; background: var(--blanco); }
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
.contact__info p { color: var(--gris-medio); margin: 16px 0 32px; }

.contact__list { display: flex; flex-direction: column; gap: 22px; }
.contact__list li { display: flex; gap: 16px; align-items: flex-start; }
.contact__list a { color: var(--verde-bosque); font-weight: 700; }
.contact__list a:hover { text-decoration: underline; }
.contact__icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--gris-claro);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact__list strong { color: var(--azul-petroleo); font-size: 0.95rem; }
.contact__list div { font-size: 0.92rem; color: var(--gris-medio); line-height: 1.5; }

.contact__form {
  background: var(--gris-claro);
  border-radius: var(--radius);
  padding: 40px;
  border: 1px solid rgba(0,51,61,0.06);
}
.form-row { margin-bottom: 20px; }
.form-row label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--azul-petroleo);
  margin-bottom: 8px;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: 10px;
  border: 1.5px solid rgba(0,51,61,0.15);
  background: var(--blanco);
  color: var(--carbon);
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--verde-bosque);
  box-shadow: 0 0 0 3px rgba(31,90,70,0.12);
}
.form-note {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--verde-bosque);
  font-weight: 700;
  min-height: 1.2em;
}

/* ===================== FOOTER ===================== */
.footer { background: var(--carbon); color: rgba(255,255,255,0.7); padding: 70px 0 0; }
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer__logo { height: 34px; margin-bottom: 14px; filter: brightness(0) invert(1); }
.footer__brand p { font-size: 0.88rem; max-width: 240px; }
.footer__col h5 {
  color: var(--blanco);
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer__col a {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 12px;
  transition: color var(--transition);
}
.footer__col a:hover { color: var(--dorado); }
.footer__bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.footer__credit a {
  color: rgba(255,255,255,0.65);
  font-weight: 700;
  transition: color var(--transition);
}
.footer__credit a:hover { color: var(--dorado); }

/* ===================== WHATSAPP FLOAT ===================== */
.wa-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 60px; height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 28px rgba(0,0,0,0.25);
  z-index: 200;
  animation: pulse 2.4s infinite;
}
.wa-float svg { width: 30px; height: 30px; fill: var(--blanco); }
.wa-float:hover { transform: scale(1.08); }

@keyframes pulse {
  0% { box-shadow: 0 10px 28px rgba(0,0,0,0.25), 0 0 0 0 rgba(37,211,102,0.5); }
  70% { box-shadow: 0 10px 28px rgba(0,0,0,0.25), 0 0 0 14px rgba(37,211,102,0); }
  100% { box-shadow: 0 10px 28px rgba(0,0,0,0.25), 0 0 0 0 rgba(37,211,102,0); }
}

/* ===================== REVEAL ANIMATION ===================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { min-height: 260px; order: -1; }
  .about__inner { grid-template-columns: 1fr; }
  .about__visual { order: 2; }
  .services__grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .contact__inner { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav { display: none; }
  .burger { display: flex; }
  .header__actions .btn--sm { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 78px; left: 0; right: 0;
    background: var(--blanco);
    padding: 24px;
    box-shadow: var(--shadow-md);
    gap: 18px;
  }
  .nav.open .nav__link--cta {
    display: block;
    background: var(--dorado);
    color: var(--azul-petroleo);
    font-weight: 700;
    text-align: center;
    padding: 12px;
    border-radius: 999px;
  }
  .services__grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; text-align: left; }
  .cta__inner { flex-direction: column; align-items: flex-start; }
  .hero { padding: 130px 0 70px; }
  .wa-float { right: 16px; bottom: 16px; width: 54px; height: 54px; }
}