/* ============================================================
   GRUAS PICHARDO — style.css
   ============================================================ */

:root {
  --color-accent:    #fbe800;
  --color-dark:      #272a2f;
  --color-dark-text: #333333;
  --color-white:     #ffffff;
  --color-gray:      #666666;
  --color-light:     #f7f7f7;
  --font:            'Open Sans', sans-serif;
  --font-heading:    'Montserrat', sans-serif;
  --container:       1200px;
  --radius:          6px;
  --transition:      0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--color-dark-text); line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- UTILITIES ---- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--color-dark-text);
  margin-bottom: 16px;
}
.section-title.white { color: var(--color-white); }
.section-subtitle {
  color: var(--color-gray);
  font-size: 1.05rem;
  margin-bottom: 40px;
}
.section-divider {
  width: 60px; height: 3px;
  background: var(--color-accent);
  margin: 0 auto 32px;
}
.section-divider.left { margin-left: 0; }

.btn {
  display: inline-block;
  padding: 13px 32px;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-dark);
}
.btn-primary:hover { background: #e6d400; }
.btn-outline {
  background: transparent;
  border-color: var(--color-white);
  color: var(--color-white);
}
.btn-outline:hover { background: var(--color-white); color: var(--color-dark); }

/* fade-in animation */
.fade-in { opacity: 0; transform: translateY(28px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: none; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--color-dark);
  box-shadow: 0 2px 12px rgba(0,0,0,.35);
  transition: var(--transition);
}
.navbar .container {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 70px;
}
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.navbar-logo img {
  height: 48px;
  width: auto;
}
.navbar-logo-text {
  display: flex;
  flex-direction: column;
}
.navbar-logo-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 1px;
  line-height: 1.1;
}
.navbar-logo-tagline {
  font-size: 0.7rem;
  color: rgba(255,255,255,.6);
  letter-spacing: 0.5px;
}
.navbar-menu {
  display: flex;
  gap: 32px;
  margin-left: auto;
}
.navbar-menu a {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255,255,255,.85);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: color var(--transition);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
.navbar-menu a:hover { color: var(--color-accent); border-bottom-color: var(--color-accent); }
.navbar-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: var(--color-dark);
  padding: 8px 20px;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.88rem;
  white-space: nowrap;
  transition: background var(--transition);
  flex-shrink: 0;
}
.navbar-phone:hover { background: #e6d400; }
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  margin-left: auto;
}
.navbar-toggle span {
  display: block;
  width: 26px; height: 2px;
  background: var(--color-white);
  transition: var(--transition);
}
.navbar-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.navbar-toggle.open span:nth-child(2) { opacity: 0; }
.navbar-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-dark);
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease;
  z-index: 0;
}
.hero-slide.active { opacity: 1; }
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 1;
}
.hero .container { position: relative; z-index: 2; }
.hero-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 3;
}
.hero-dot {
  width: 10px; height: 10px;
  background: rgba(255,255,255,0.45);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition);
}
.hero-dot.active { background: var(--color-accent); }
.hero-content { max-width: 600px; }
.hero-pretitle {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 24px;
}
.hero-title span { color: var(--color-accent); }
.hero-text {
  color: rgba(255,255,255,.8);
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 480px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

/* ============================================================
   NOSOTROS
   ============================================================ */
.about { padding: 96px 0; background: var(--color-white); }
.about .container { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-text .section-title { text-align: left; }
.about-lead {
  font-size: 1.05rem;
  color: var(--color-dark-text);
  line-height: 1.9;
  margin-bottom: 32px;
}
.about-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.about-gallery img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius);
}

/* ============================================================
   POR QUÉ ELEGIRNOS
   ============================================================ */
.why { padding: 80px 0; background: var(--color-light); }
.why-header { text-align: center; margin-bottom: 56px; }
.why-grid {
  display: grid;
  grid-template-columns: 1fr 340px 1fr;
  gap: 32px;
  align-items: center;
}
.why-col { display: flex; flex-direction: column; gap: 24px; }
.why-center-img img {
  width: 100%;
  display: block;
  border-radius: var(--radius);
  object-fit: cover;
  max-height: 480px;
}
.why-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: 0 2px 16px rgba(0,0,0,.06);
  transition: transform var(--transition), box-shadow var(--transition);
}
.why-card:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(0,0,0,.1); }
.why-icon {
  width: 60px; height: 60px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.why-icon svg { width: 28px; height: 28px; fill: var(--color-dark); }
.why-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark-text);
  margin-bottom: 10px;
}
.why-card p { font-size: 0.9rem; color: var(--color-gray); line-height: 1.6; }

/* ============================================================
   SERVICIOS
   ============================================================ */
.services {
  padding: 96px 0;
  position: relative;
  background: url('../img/galeria-trabajo.jpeg') center/cover fixed;
}
.services::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(39,42,47,0.88);
}
.services .container { position: relative; z-index: 1; }
.services-header { text-align: center; margin-bottom: 56px; }
.services-header .section-divider { background: var(--color-accent); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.service-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  transition: background var(--transition), border-color var(--transition);
}
.service-card:hover { background: rgba(251,232,0,.08); border-color: rgba(251,232,0,.3); }
.service-icon {
  width: 64px; height: 64px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.service-icon svg { width: 32px; height: 32px; fill: var(--color-dark); }
.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-card ul { text-align: left; padding-left: 0; }
.service-card ul li {
  font-size: 0.875rem;
  color: rgba(255,255,255,.75);
  padding: 5px 0;
  border-bottom: 1px solid rgba(255,255,255,.07);
  padding-left: 16px;
  position: relative;
}
.service-card ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}
.service-card ul li:last-child { border-bottom: none; }

/* ============================================================
   GALERÍA — LAS MEJORES GRÚAS
   ============================================================ */
.gallery { padding: 80px 0; background: var(--color-white); }
.gallery-header { text-align: center; margin-bottom: 48px; }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.gallery-grid img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius);
  transition: transform var(--transition);
}
.gallery-grid img:hover { transform: scale(1.02); }

/* ============================================================
   CLIENTES
   ============================================================ */
.clients { padding: 80px 0; background: var(--color-light); }
.clients-header { text-align: center; margin-bottom: 48px; }
.clients-track-wrap {
  overflow: hidden;
  position: relative;
}
.clients-track-wrap::before,
.clients-track-wrap::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}
.clients-track-wrap::before { left: 0; background: linear-gradient(to right, var(--color-light), transparent); }
.clients-track-wrap::after  { right: 0; background: linear-gradient(to left,  var(--color-light), transparent); }
.clients-track {
  display: flex;
  align-items: center;
  gap: 72px;
  animation: clients-scroll 22s linear infinite;
  width: max-content;
}
.clients-track img {
  height: 80px;
  width: auto;
  object-fit: contain;
  filter: grayscale(20%);
  opacity: 0.85;
  transition: opacity 0.3s, filter 0.3s;
}
.clients-track img:hover { opacity: 1; filter: none; }
@keyframes clients-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   CONTACTO
   ============================================================ */
.contact { padding: 96px 0; background: var(--color-white); }
.contact .container { display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: start; }
.contact-left .section-title { text-align: left; }

#contactForm { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-dark-text);
  letter-spacing: 0.5px;
}
.form-group input,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid #ddd;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--color-dark-text);
  background: var(--color-white);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--color-accent); }
.form-group textarea { min-height: 130px; resize: vertical; }
.btn-submit {
  background: var(--color-accent);
  color: var(--color-dark);
  padding: 14px 36px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background var(--transition);
  align-self: flex-start;
}
.btn-submit:hover { background: #e6d400; }
.btn-submit:disabled { opacity: .65; cursor: not-allowed; }
.form-message {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  display: none;
}
.form-message.success { display: block; background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.form-message.error   { display: block; background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

.contact-right { padding-top: 12px; }
.contact-phones { margin-bottom: 40px; }
.contact-phones h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-dark-text);
  margin-bottom: 16px;
}
.contact-phone-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #eee;
}
.contact-phone-item:last-child { border-bottom: none; }
.contact-phone-item svg { color: var(--color-accent); flex-shrink: 0; }
.contact-phone-item a {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark-text);
  transition: color var(--transition);
}
.contact-phone-item a:hover { color: var(--color-accent); }
.contact-social h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-dark-text);
  margin-bottom: 16px;
}
.social-links { display: flex; gap: 16px; }
.social-link {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-dark-text);
  transition: background var(--transition), color var(--transition);
}
.social-link:hover { background: var(--color-accent); color: var(--color-dark); }
.social-link svg { width: 20px; height: 20px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-dark);
  padding: 40px 0 24px;
  border-top: 3px solid var(--color-accent);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-logo img { height: 44px; width: auto; }
.footer-logo-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-white);
  text-transform: uppercase;
}
.footer-phones { display: flex; flex-direction: column; gap: 6px; }
.footer-phones a {
  color: rgba(255,255,255,.7);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-phones a:hover { color: var(--color-accent); }
.footer-bottom {
  padding-top: 20px;
  text-align: center;
  color: rgba(255,255,255,.4);
  font-size: 0.82rem;
}

/* ============================================================
   THANKS PAGE
   ============================================================ */
.thanks-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-light);
  padding: 100px 24px 60px;
}
.thanks-box {
  background: var(--color-white);
  border-radius: 12px;
  padding: 60px 48px;
  max-width: 520px;
  width: 100%;
  text-align: center;
  box-shadow: 0 8px 40px rgba(0,0,0,.1);
}
.thanks-icon {
  width: 72px; height: 72px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  color: var(--color-dark);
}
.thanks-box h1 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-dark-text);
  margin-bottom: 16px;
}
.thanks-box p { color: var(--color-gray); line-height: 1.7; margin-bottom: 32px; }


/* ============================================================
   RESPONSIVE — TABLET (≤1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .why-grid { grid-template-columns: 1fr 1fr; }
  .why-center-img { display: none; }
  .why-col { display: contents; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .clients-grid { grid-template-columns: repeat(3, 1fr); }
  .about .container { grid-template-columns: 1fr; gap: 40px; }
  .contact .container { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤768px)
   ============================================================ */
@media (max-width: 768px) {
  .navbar-menu { display: none; flex-direction: column; gap: 0; }
  .navbar-menu.open {
    display: flex;
    position: absolute;
    top: 70px; left: 0; right: 0;
    background: var(--color-dark);
    padding: 8px 0 16px;
    box-shadow: 0 8px 20px rgba(0,0,0,.3);
  }
  .navbar-menu.open a {
    display: block;
    padding: 14px 24px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    border-bottom-color: transparent;
  }
  .navbar-menu a:hover { border-bottom-color: transparent; }
  .navbar-phone { display: none; }
  .navbar-toggle { display: flex; }
  .navbar .container { flex-wrap: wrap; position: relative; }

  .hero-title { font-size: 2rem; }
  .hero-buttons { flex-direction: column; gap: 12px; }
  .hero-buttons .btn { width: 100%; text-align: center; }

  .why-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; text-align: center; }

  .thanks-box { padding: 40px 24px; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .about-gallery { grid-template-columns: 1fr; }
  .about-gallery img { height: 220px; }
}