/* ============================================================
   PYM Ingeniería y Mantenimiento — Stylesheet
   ============================================================ */

/* ------------------------------------------------------------
   1. Custom Properties
   ------------------------------------------------------------ */
:root {
  --color-navy:      #2a3a2e;
  --color-navy-mid:  #3a5040;
  --color-navy-light:#506a55;
  --color-accent:    #5a8a52;
  --color-accent-lt: #72a868;
  --color-gray-bg:   #f3f4f2;
  --color-gray-mid:  #cdd1cc;
  --color-gray-text: #626b60;
  --color-text:      #212820;
  --color-white:     #ffffff;

  --font-body:    'Inter', system-ui, sans-serif;
  --font-heading: 'Montserrat', system-ui, sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;

  --shadow-sm:  0 1px 4px rgba(0,0,0,.06);
  --shadow-md:  0 4px 20px rgba(0,0,0,.10);
  --shadow-lg:  0 8px 40px rgba(0,0,0,.14);

  --transition: 0.28s ease;

  --nav-h: 72px;
}

/* ------------------------------------------------------------
   2. Reset & Base
   ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--color-accent-lt); }

ul { list-style: none; }

strong { font-weight: 600; }

/* ------------------------------------------------------------
   3. Utility
   ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 2.5rem);
}

.text-accent { color: var(--color-accent); }

.br-desktop { display: none; }
@media (min-width: 768px) { .br-desktop { display: inline; } }

/* ------------------------------------------------------------
   4. Buttons
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .8rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .03em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform .15s;
  text-decoration: none;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-lt);
  border-color: var(--color-accent-lt);
  color: var(--color-white);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,.6);
}
.btn--outline:hover {
  background: rgba(255,255,255,.12);
  border-color: var(--color-white);
  color: var(--color-white);
}

.btn--full { width: 100%; justify-content: center; }

/* ------------------------------------------------------------
   5. Navbar
   ------------------------------------------------------------ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(42, 58, 46, .93);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: box-shadow var(--transition);
}
.navbar.scrolled {
  box-shadow: 0 4px 30px rgba(0,0,0,.3);
  background: rgba(42, 58, 46, .99);
}

.navbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.navbar__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__logo-img {
  height: 46px;
  width: auto;
  max-width: 220px;
  display: block;
}

.footer__logo-img {
  height: 54px;
  width: auto;
  max-width: 260px;
  display: block;
  margin-bottom: .5rem;
}

/* En escritorio el nav flota dentro de la barra alineado a la derecha */
.navbar__nav {
  position: fixed;
  top: 0;
  right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding-right: max(1.5rem, calc((100vw - 1200px) / 2 + 1.5rem));
  z-index: 1001;
}

.navbar__list {
  display: flex;
  align-items: center;
  gap: .25rem;
}

.navbar__link {
  padding: .45rem .85rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  color: rgba(255,255,255,.82);
  transition: background var(--transition), color var(--transition);
}
.navbar__link:hover,
.navbar__link.active {
  background: rgba(255,255,255,.08);
  color: var(--color-white);
}
.navbar__link--cta {
  background: var(--color-accent);
  color: var(--color-white) !important;
  font-weight: 700;
  margin-left: .5rem;
}
.navbar__link--cta:hover {
  background: var(--color-accent-lt);
}

/* Hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .65rem .5rem;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.navbar__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__hamburger.open span:nth-child(2) { opacity: 0; }
.navbar__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 820px) {
  .navbar__hamburger { display: flex; }
  .navbar__nav {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    bottom: 0;
    height: auto;
    padding-right: 1rem;
    z-index: 1100;
    background: var(--color-navy);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem 1rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .navbar__nav.open { transform: translateX(0); }
  .navbar__list {
    flex-direction: column;
    gap: .25rem;
    align-items: stretch;
  }
  .navbar__link {
    display: block;
    padding: .9rem 1rem;
    font-size: 1.05rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }
  .navbar__link--cta { margin-left: 0; margin-top: .5rem; text-align: center; }
}

/* ------------------------------------------------------------
   6. Hero
   ------------------------------------------------------------ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(42,58,46,.90) 0%,
    rgba(42,58,46,.68) 50%,
    rgba(42,58,46,.45) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-block: 6rem 8rem;
  max-width: 780px;
}

.hero__label {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(90,138,82,.12);
  border: 1px solid rgba(90,138,82,.35);
  padding: .3rem .9rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.8);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  color: rgba(255,255,255,.5);
  animation: bounce 2s ease-in-out infinite;
  transition: color var(--transition);
}
.hero__scroll-hint:hover { color: rgba(255,255,255,.9); }

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ------------------------------------------------------------
   7. Section commons
   ------------------------------------------------------------ */
.section { padding-block: clamp(4rem, 8vw, 7rem); }
.section--white  { background: var(--color-white); }
.section--gray   { background: var(--color-gray-bg); }
.section--dark   {
  background: var(--color-navy);
  color: var(--color-white);
}

.section-header { text-align: center; margin-bottom: 3.5rem; max-width: 680px; margin-inline: auto; }
.section-header.section-header--light .section-title,
.section-header.section-header--light .section-desc { color: rgba(255,255,255,.9); }

.section-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: .75rem;
}
.section-tag--light { color: var(--color-accent-lt); }

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-navy);
  margin-bottom: .75rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-gray-text);
  max-width: 560px;
  margin-inline: auto;
}

/* ------------------------------------------------------------
   8. Quiénes Somos
   ------------------------------------------------------------ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

.about__text p {
  color: #374151;
  margin-bottom: 1.1rem;
  font-size: 1.02rem;
}
.about__text p:last-child { margin-bottom: 0; }

.about__stats {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 280px;
  margin: 0 auto;
}

.stat-card {
  box-sizing: border-box;
  width: 100%;
}

@media (max-width: 900px) {
  .about__stats {
    display: block;
    max-width: 100%;
    width: 100%;
  }
  .stat-card {
    display: block;
    width: 100%;
    margin-bottom: 1.25rem;
  }
  .stat-card:last-child {
    margin-bottom: 0;
  }
}

.stat-card {
  background: var(--color-gray-bg);
  border: 1px solid var(--color-gray-mid);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.25rem;
  text-align: center;
  border-top: 4px solid var(--color-accent);
  transition: box-shadow var(--transition), transform var(--transition);
}
.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1;
  margin-bottom: .4rem;
}

.stat-label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--color-gray-text);
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* ------------------------------------------------------------
   9. Servicios Destacados
   ------------------------------------------------------------ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .services-grid { grid-template-columns: 1fr; }
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.service-card__img-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-navy-mid);
}
.service-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.service-card:hover .service-card__img-wrap img { transform: scale(1.04); }

.service-card__badge {
  position: absolute;
  top: .75rem;
  right: .75rem;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card__body {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .9rem;
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  gap: .6rem;
}
.service-card__title svg { color: var(--color-accent); flex-shrink: 0; }

.service-card__desc {
  font-size: .96rem;
  color: #374151;
  line-height: 1.65;
}

.service-card__list {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: .45rem;
  border-top: 1px solid var(--color-gray-mid);
  padding-top: 1rem;
}
.service-card__list li {
  font-size: .88rem;
  color: var(--color-gray-text);
  padding-left: 1.2rem;
  position: relative;
}
.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .55em;
  width: 7px;
  height: 7px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ------------------------------------------------------------
   10. Otras Especialidades
   ------------------------------------------------------------ */
.specialty-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 1024px) {
  .specialty-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .specialty-grid { grid-template-columns: 1fr; }
}

.specialty-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.specialty-card:hover {
  background: rgba(255,255,255,.09);
  border-color: rgba(90,138,82,.45);
  transform: translateY(-4px);
}

.specialty-card--featured {
  padding: 0;
  overflow: hidden;
  border-color: rgba(90,138,82,.3);
}
.specialty-card--featured .specialty-card__icon,
.specialty-card--featured h3,
.specialty-card--featured p {
  padding-inline: 1.5rem;
}
.specialty-card--featured h3 { padding-top: 0; }
.specialty-card--featured p  { padding-bottom: 1.5rem; }

.specialty-card__photo {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  margin-bottom: 1rem;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.specialty-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  transition: transform .5s ease;
}
.specialty-card--featured:hover .specialty-card__photo img {
  transform: scale(1.04);
}
.specialty-card__photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(42,58,46,.75) 100%);
}

.specialty-card--featured .specialty-card__icon {
  display: none;
}

.specialty-card__icon {
  width: 64px;
  height: 64px;
  background: rgba(90,138,82,.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-lt);
  margin-bottom: 1.25rem;
  transition: background var(--transition);
}
.specialty-card:hover .specialty-card__icon {
  background: rgba(90,138,82,.22);
}

.specialty-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: .6rem;
}

.specialty-card p {
  font-size: .93rem;
  color: rgba(255,255,255,.65);
  line-height: 1.6;
}
.specialty-card p strong { color: rgba(255,255,255,.9); }

/* ------------------------------------------------------------
   11. Minería e Industria
   ------------------------------------------------------------ */
.mining-intro {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: rgba(255,255,255,.85);
  border-radius: var(--radius-lg);
  padding: 2rem 2.25rem;
  margin-bottom: 3rem;
  border-left: 5px solid var(--color-accent);
}
.mining-intro__icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: rgba(90,138,82,.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-lt);
}
.mining-intro p {
  font-size: 1.03rem;
  line-height: 1.75;
  margin: 0;
}
.mining-intro p strong { color: var(--color-white); }
@media (max-width: 560px) {
  .mining-intro { flex-direction: column; padding: 1.5rem; }
}

.mining-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}
@media (max-width: 1024px) {
  .mining-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .mining-grid { grid-template-columns: 1fr; }
}

.mining-card {
  border: 1.5px solid var(--color-gray-mid);
  border-radius: var(--radius-lg);
  padding: 2rem;
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.mining-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 6px 30px rgba(90,138,82,.12);
  transform: translateY(-4px);
}

.mining-card__header {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.mining-card__num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-gray-mid);
  line-height: 1;
}

.mining-card__icon {
  width: 56px;
  height: 56px;
  background: rgba(42,58,46,.06);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-navy);
  transition: background var(--transition), color var(--transition);
}
.mining-card:hover .mining-card__icon {
  background: rgba(90,138,82,.12);
  color: var(--color-accent);
}

.mining-card__header h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.3;
}

.mining-card__desc {
  font-size: .96rem;
  color: #374151;
  line-height: 1.65;
}

.mining-card__list {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  border-top: 1px solid var(--color-gray-mid);
  padding-top: 1rem;
  margin-top: auto;
}
.mining-card__list li {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  font-size: .88rem;
  color: var(--color-gray-text);
  line-height: 1.5;
}
.mining-card__list li svg {
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: .15rem;
}

/* ------------------------------------------------------------
   12. Divider Banner (número ya actualizado en bloque anterior)
   ------------------------------------------------------------ */
.divider-banner {
  position: relative;
  height: clamp(240px, 35vw, 480px);
  overflow: hidden;
}
.divider-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.divider-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(42,58,46,.82) 0%, rgba(42,58,46,.4) 100%);
  display: flex;
  align-items: center;
}
.divider-banner__quote {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--color-white);
  max-width: 680px;
  border-left: 4px solid var(--color-accent);
  padding-left: 1.5rem;
  line-height: 1.4;
}

/* ------------------------------------------------------------
   12. Contacto
   ------------------------------------------------------------ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}
@media (max-width: 900px) {
  .contact__grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

.contact__info h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 1.75rem;
}

.contact__item {
  display: flex;
  gap: .9rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  font-size: .97rem;
  color: #374151;
  line-height: 1.6;
}

.contact__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: rgba(90,138,82,.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-top: .1rem;
}

/* Form */
.contact__form {
  background: var(--color-gray-bg);
  border: 1px solid var(--color-gray-mid);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 700px) {
  .contact__form {
    grid-template-columns: 1fr;
    padding: 1.25rem 1rem;
    border-radius: var(--radius-md);
    gap: 1rem;
  }
}

.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group--full { grid-column: 1 / -1; }

.form-group label {
  font-size: .88rem;
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: .02em;
}
.form-group label span { color: var(--color-accent); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  box-sizing: border-box;
  padding: .75rem .9rem;
  border: 1.5px solid var(--color-gray-mid);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(90,138,82,.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #9ca3af;
}
.form-group select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  background-color: var(--color-white);
  padding-right: 2.5rem;
  cursor: pointer;
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  grid-column: 1 / -1;
  font-size: .8rem;
  color: var(--color-gray-text);
  text-align: center;
  margin-top: -.25rem;
}

.contact__form .btn--full {
  grid-column: 1 / -1;
  padding: .9rem 1.5rem;
  font-size: 1rem;
  touch-action: manipulation;
}

/* ------------------------------------------------------------
   13. Footer
   ------------------------------------------------------------ */
.footer {
  background: var(--color-navy);
  color: rgba(255,255,255,.65);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.4fr;
  gap: 3rem;
  padding-block: 3.5rem;
}
@media (max-width: 768px) {
  .footer__inner { grid-template-columns: 1fr; gap: 2rem; padding-block: 2.5rem; }
}

.footer__tagline {
  font-size: .82rem;
  color: rgba(255,255,255,.4);
  margin-top: .75rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.footer__links h4,
.footer__contact h4 {
  font-family: var(--font-heading);
  font-size: .9rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer__links ul li {
  margin-bottom: .5rem;
}
.footer__links ul li a {
  font-size: .93rem;
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
}
.footer__links ul li a:hover { color: var(--color-accent); }

.footer__contact p {
  font-size: .93rem;
  margin-bottom: .75rem;
  line-height: 1.7;
}
.footer__contact a {
  color: rgba(255,255,255,.65);
}
.footer__contact a:hover { color: var(--color-accent); }

.footer__social {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: .75rem;
  background: rgba(255,255,255,.07);
  padding: .5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  font-weight: 600;
  color: rgba(255,255,255,.7) !important;
  border: 1px solid rgba(255,255,255,.1);
  transition: background var(--transition), color var(--transition);
}
.footer__social:hover {
  background: rgba(90,138,82,.2);
  color: var(--color-accent-lt) !important;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.07);
  padding-block: 1.25rem;
}
.footer__bottom p {
  font-size: .83rem;
  color: rgba(255,255,255,.3);
  text-align: center;
}

/* ------------------------------------------------------------
   14. Animations
   ------------------------------------------------------------ */
.fade-in,
.fade-up {
  opacity: 0;
  transition: opacity .7s ease, transform .7s ease;
}
.fade-in {
  transform: translateY(12px);
}
.fade-up {
  transform: translateY(30px);
}

.fade-in.visible,
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delay helpers */
.fade-in--d1, .fade-up--d1 { transition-delay: .12s; }
.fade-in--d2, .fade-up--d2 { transition-delay: .24s; }
.fade-in--d3, .fade-up--d3 { transition-delay: .36s; }

/* Hero: la clase visible la añade el JS con requestAnimationFrame */
.hero .fade-in.visible { opacity: 1; transform: translateY(0); }

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
}