/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --teal: #3aaa9b;
  --teal-dark: #2a8a7d;
  --navy: #1a3057;
  --navy2: #243d6e;
  --gray: #6b7280;
  --light-gray: #f7f7f7;
  --white: #ffffff;
  --text: #2d2d2d;
  --font-head: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  background: var(--white);
}

img { width: 100%; height: 100%; object-fit: cover; display: block; }
a { text-decoration: none; color: inherit; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-block;
  background: var(--teal);
  color: var(--white);
  padding: 14px 34px;
  border-radius: 4px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: background 0.25s, transform 0.2s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-2px); }
.btn-primary.full-width { width: 100%; text-align: center; }

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--white);
  padding: 13px 32px;
  border-radius: 4px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: 1.5px solid rgba(255,255,255,0.6);
  transition: all 0.25s;
}
.btn-secondary:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }

/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: background 0.35s, padding 0.35s, box-shadow 0.35s;
}
#navbar.scrolled {
  background: var(--navy);
  padding: 10px 0;
  box-shadow: 0 2px 24px rgba(0,0,0,0.25);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo { display: flex; align-items: center; }
.logo-svg { height: 52px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  color: rgba(255,255,255,0.9);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--teal); }

.btn-nav {
  background: var(--teal) !important;
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: 4px;
  letter-spacing: 1px;
  transition: background 0.25s !important;
}
.btn-nav:hover { background: var(--teal-dark) !important; color: var(--white) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  display: block;
  transition: all 0.3s;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy);
}
.hero-img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(26,48,87,0.82) 0%, rgba(26,48,87,0.45) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  color: var(--white);
  padding-top: 90px;
}
.hero-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--teal);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 22px;
  display: block;
}
.hero-content h1 {
  font-family: var(--font-head);
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 17px;
  color: rgba(255,255,255,0.82);
  margin-bottom: 40px;
  max-width: 520px;
  line-height: 1.75;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* ===== STATS ===== */
.stats {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 44px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  text-align: center;
}
.stat-item { padding: 10px; position: relative; }
.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0; top: 20%; bottom: 20%;
  width: 1px;
  background: rgba(255,255,255,0.12);
}
.stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 38px;
  font-weight: 800;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== SECTIONS BASE ===== */
.section { padding: 100px 0; }

.section-tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 14px;
  display: block;
  text-align: center;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 14px;
  line-height: 1.15;
  text-align: center;
}
.section-sub {
  font-size: 16px;
  color: var(--gray);
  max-width: 560px;
  margin: 0 auto 56px;
  line-height: 1.75;
  text-align: center;
}

/* ===== SERVICIOS ===== */
.servicios { background: var(--light-gray); }

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.servicio-card {
  background: var(--white);
  border-radius: 6px;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
  border-top: 3px solid transparent;
}
.servicio-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.1);
  border-top-color: var(--teal);
}
.servicio-img-wrap {
  height: 210px;
  overflow: hidden;
  background: #e5e5e5;
}
.servicio-img-wrap img { transition: transform 0.45s; }
.servicio-card:hover .servicio-img-wrap img { transform: scale(1.05); }
.servicio-body { padding: 24px 26px 28px; }
.servicio-body h3 {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
  letter-spacing: 0.3px;
}
.servicio-body p { font-size: 14px; color: var(--gray); line-height: 1.75; }

/* ===== POR QUÉ NOSOTROS ===== */
.porque {
  background: var(--navy);
  padding: 100px 0;
}
.porque-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.porque-img {
  border-radius: 6px;
  overflow: hidden;
  height: 480px;
  background: #2a3d6a;
}
.porque-texto .section-tag { text-align: left; }
.porque-texto h2 {
  font-family: var(--font-head);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 18px;
  line-height: 1.2;
  text-align: left;
}
.porque-texto p { color: rgba(255,255,255,0.7); margin-bottom: 14px; font-size: 15px; }
.porque-lista {
  list-style: none;
  margin: 26px 0 36px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.porque-lista li {
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  padding-left: 18px;
  position: relative;
}
.porque-lista li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

/* ===== PROYECTOS ===== */
.proyectos { background: var(--white); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.gallery-item {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  height: 250px;
  background: #ddd;
  cursor: pointer;
}
.gallery-item img { transition: transform 0.45s; }
.gallery-item:hover img { transform: scale(1.07); }
.gallery-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(26,48,87,0.85));
  color: var(--white);
  padding: 32px 16px 14px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.5px;
  transform: translateY(100%);
  transition: transform 0.3s;
}
.gallery-item:hover .gallery-label { transform: translateY(0); }

/* ===== TESTIMONIOS ===== */
.testimonios {
  background: var(--light-gray);
  padding: 100px 0;
}
.testimonios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 52px;
}
.testimonio-card {
  background: var(--white);
  border-radius: 6px;
  padding: 36px 30px;
  border-left: 3px solid var(--teal);
}
.estrellas {
  font-size: 16px;
  color: var(--teal);
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.testimonio-card p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonio-autor {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13px;
  color: var(--navy);
  letter-spacing: 0.5px;
}

/* ===== NOSOTROS ===== */
.nosotros { background: var(--white); }
.nosotros-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.nosotros-texto .section-tag { text-align: left; }
.nosotros-texto h2 {
  font-family: var(--font-head);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 18px;
  line-height: 1.2;
  text-align: left;
}
.nosotros-texto p { color: var(--gray); margin-bottom: 14px; font-size: 15px; }
.nosotros-valores {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 32px;
}
.valor {
  padding: 16px 20px;
  border: 1px solid #e8e8e8;
  border-radius: 4px;
  border-left: 3px solid var(--teal);
}
.valor strong {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.nosotros-img {
  border-radius: 6px;
  overflow: hidden;
  height: 480px;
  background: #e5e5e5;
}

/* ===== CONTACTO ===== */
.contacto { background: var(--light-gray); }
.contacto-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contacto-form {
  background: var(--white);
  padding: 44px;
  border-radius: 6px;
  box-shadow: 0 4px 30px rgba(0,0,0,0.07);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 13px 16px;
  border: 1.5px solid #e5e7eb;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text);
  transition: border-color 0.2s;
  outline: none;
  background: var(--white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--teal); }
.form-group textarea { resize: vertical; }

.contacto-info {
  display: flex;
  flex-direction: column;
  gap: 30px;
  padding-top: 8px;
}
.info-item { border-bottom: 1px solid #ebebeb; padding-bottom: 20px; }
.info-label {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 6px;
}
.info-val { font-size: 16px; color: var(--text); }
.info-val a { color: var(--navy); font-weight: 600; }
.info-val a:hover { color: var(--teal); }

.redes-sociales { padding-top: 4px; }
.redes-links { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.red-link {
  padding: 8px 20px;
  border-radius: 4px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.5px;
  color: var(--white);
  transition: opacity 0.2s;
  text-transform: uppercase;
}
.red-link:hover { opacity: 0.82; }
.red-link.facebook { background: #1877f2; }
.red-link.instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.red-link.tiktok { background: #010101; }

/* ===== FOOTER ===== */
.footer {
  background: var(--navy);
  padding: 48px 0 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  text-align: center;
}
.footer-logo-svg { height: 60px; width: auto; }
.footer-links {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-links a {
  color: rgba(255,255,255,0.5);
  font-size: 12px;
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--teal); }
.footer-copy {
  color: rgba(255,255,255,0.25);
  font-size: 12px;
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 24px;
  width: 100%;
  text-align: center;
}

/* ===== WHATSAPP BTN ===== */
.whatsapp-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 58px;
  height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  z-index: 999;
  transition: transform 0.25s, box-shadow 0.25s;
}
.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.6);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .servicios-grid,
  .testimonios-grid,
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .porque-inner, .nosotros-inner, .contacto-inner { grid-template-columns: 1fr; gap: 44px; }
  .porque-img, .nosotros-img { height: 340px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 0; }
  .stat-item:nth-child(2)::after { display: none; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .section { padding: 60px 0; }
  .container { padding: 0 16px; }

  /* NAVBAR */
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--navy);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    z-index: 999;
    overflow-y: auto;
    padding: 40px 20px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 18px; }
  .lang-selector { margin-left: 0; }
  .lang-dropdown {
    position: static;
    background: rgba(255,255,255,0.08);
    border: none;
    box-shadow: none;
    border-radius: 8px;
    margin-top: 8px;
    min-width: 160px;
  }
  .lang-option { color: rgba(255,255,255,0.85); justify-content: center; }
  .lang-option:hover, .lang-option.active { background: rgba(58,170,155,0.25); color: #fff; }

  /* HERO */
  .hero { min-height: 100svh; }
  .hero-content { padding-top: 100px; padding-bottom: 40px; }
  .hero-content h1 { font-size: 30px; line-height: 1.15; }
  .hero-sub { font-size: 14px; margin-bottom: 28px; }
  .hero-tag { font-size: 10px; letter-spacing: 1px; margin-bottom: 14px; }
  .hero-btns { flex-direction: column; gap: 12px; }
  .btn-primary, .btn-secondary { text-align: center; width: 100%; padding: 14px 20px; }

  /* STATS */
  .stats { padding: 32px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-num { font-size: 26px; }
  .stat-label { font-size: 10px; }
  .stat-item::after { display: none; }
  .stats-note { font-size: 10px; padding: 0 12px; }

  /* SECTION TITLES */
  .section-title { font-size: 22px; }
  .section-sub { font-size: 14px; margin-bottom: 32px; }

  /* SERVICIOS */
  .servicios-grid { grid-template-columns: 1fr; gap: 14px; }
  .servicio-img-wrap { height: 190px; }
  .servicio-body { padding: 18px; }
  .servicio-body h3 { font-size: 15px; }
  .servicio-body p { font-size: 13px; }

  /* PORQUE */
  .porque { padding: 60px 0; }
  .porque-inner { grid-template-columns: 1fr; gap: 28px; }
  .porque-img { height: 240px; }
  .porque-texto h2 { font-size: 20px; }
  .porque-lista li { font-size: 13px; }

  /* GALERÍA */
  .gallery-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .gallery-item { height: 160px; }
  .gallery-label { transform: translateY(0); font-size: 11px; padding: 20px 10px 10px; }

  /* TESTIMONIOS */
  .testimonios { padding: 60px 0; }
  .testimonios-grid { grid-template-columns: 1fr; gap: 14px; margin-top: 28px; }
  .testimonio-card { padding: 22px 18px; }
  .testimonio-card p { font-size: 14px; }

  /* NOSOTROS */
  .nosotros-inner { grid-template-columns: 1fr; gap: 28px; }
  .nosotros-img { height: 240px; }
  .nosotros-texto h2 { font-size: 20px; }
  .nosotros-valores { grid-template-columns: 1fr 1fr; gap: 8px; }
  .valor { padding: 10px 12px; }
  .valor strong { font-size: 11px; }

  /* CONTACTO */
  .contacto-inner { grid-template-columns: 1fr; gap: 28px; }
  .contacto-form { padding: 20px 16px; gap: 14px; }
  .form-group input,
  .form-group select,
  .form-group textarea { font-size: 16px; } /* prevents zoom on iOS */
  .info-val { font-size: 14px; }
  .redes-links { gap: 8px; }
  .red-link { padding: 8px 12px; font-size: 11px; }

  /* FOOTER */
  .footer { padding: 32px 0 16px; }
  .footer-links { gap: 16px; }
  .footer-links a { font-size: 11px; }
  .footer-copy { font-size: 10px; padding-top: 14px; }

  /* WHATSAPP */
  .whatsapp-btn { bottom: 18px; right: 18px; width: 50px; height: 50px; }
}