/* ===== Brand Tokens ===== */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f5f5f5;
  --color-dark: #1f1f1f;
  --color-dark-2: #2c2c2c;
  --color-text: #2c2c2c;
  --color-muted: #6b6b6b;
  --color-border: #e6e6e6;
  --color-accent: #f39200;
  --color-accent-dark: #d77f00;
  --color-concrete: #b8b8b8;
  --color-whatsapp: #25d366;

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

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);

  --header-h: 80px;
  --font-display: 'Barlow Condensed', 'Inter', sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.5px;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--color-dark);
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-dark {
  background: var(--color-dark);
  color: #d4d4d4;
}
.section-dark h2,
.section-dark h3,
.section-dark h4 { color: #ffffff; }
.section-dark .eyebrow { color: var(--color-accent); }

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 70px;
}
.section-head h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  text-transform: uppercase;
}
.section-head p {
  color: var(--color-muted);
  font-size: 1.05rem;
  margin: 16px auto 0;
  max-width: 640px;
}
.section-dark .section-head p { color: #aaaaaa; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 14px;
  position: relative;
  padding-left: 30px;
}
.eyebrow::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 20px; height: 2px;
  background: var(--color-accent);
}

/* ===== Header ===== */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  transition: all 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.header.scrolled {
  height: 64px;
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.brand img {
  height: 64px;
  width: auto;
  transition: height 0.3s var(--ease);
  display: block;
}
.header.scrolled .brand img { height: 52px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-dark);
  position: relative;
  transition: color 0.2s;
}
.nav-links a:not(.btn-nav-cta)::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width 0.3s var(--ease);
}
.nav-links a:not(.btn-nav-cta):hover::after { width: 100%; }
.btn-nav-cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 600;
  transition: all 0.25s var(--ease);
}
.btn-nav-cta:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-dark);
  transition: all 0.3s var(--ease);
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  transition: all 0.3s var(--ease);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(243, 146, 0, 0.3);
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(243, 146, 0, 0.4);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: #fff;
  color: var(--color-dark);
  border-color: #fff;
}
.btn-block {
  width: 100%;
  justify-content: center;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
  padding-top: var(--header-h);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(135deg, rgba(31, 31, 31, 0.78) 0%, rgba(31, 31, 31, 0.5) 60%, rgba(31, 31, 31, 0.85) 100%),
    url('img/hero.jpg');
  background-size: cover;
  background-position: center center;
  background-attachment: fixed;
  animation: heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1200px 600px at 80% 30%, rgba(243, 146, 0, 0.15), transparent),
    linear-gradient(180deg, transparent 60%, rgba(31, 31, 31, 0.7) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 80px 24px;
}
.hero-text {
  max-width: 820px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  margin-bottom: 30px;
}
.hero-eyebrow .dot {
  width: 8px; height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulseDot 1.6s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(243, 146, 0, 0.6); }
  50% { box-shadow: 0 0 0 10px rgba(243, 146, 0, 0); }
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  color: #fff;
  margin: 0 0 24px;
  text-transform: uppercase;
  line-height: 1.05;
}
.hero h1 .accent {
  color: var(--color-accent);
  display: inline-block;
}
.hero-desc {
  font-size: 1.15rem;
  color: #e0e0e0;
  max-width: 620px;
  margin: 0 0 40px;
  line-height: 1.7;
}
.hero-desc strong { color: #fff; font-weight: 600; }
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 60px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  max-width: 700px;
}
.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--color-accent);
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
}
.stat span {
  font-size: 0.85rem;
  color: #b0b0b0;
  letter-spacing: 0.5px;
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 999px;
  z-index: 3;
}
.scroll-indicator span {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: #fff;
  border-radius: 2px;
  animation: scrollMove 1.8s ease-in-out infinite;
}
@keyframes scrollMove {
  0% { opacity: 1; top: 8px; }
  100% { opacity: 0; top: 24px; }
}

/* ===== Servicios ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}
.service-card {
  background: #fff;
  padding: 40px 30px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all 0.4s var(--ease);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 4px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-size: 1.4rem;
  margin-bottom: 22px;
  transition: transform 0.4s var(--ease);
}
.service-card:hover .service-icon { transform: rotate(-6deg) scale(1.05); }
.service-card h3 {
  font-size: 1.4rem;
  text-transform: uppercase;
}
.service-card p {
  color: var(--color-muted);
  margin: 0;
  font-size: 0.95rem;
}

/* ===== Productos ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.product {
  position: relative;
  padding: 50px 30px 30px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  transition: all 0.4s var(--ease);
}
.product:hover {
  background: rgba(243, 146, 0, 0.08);
  border-color: var(--color-accent);
  transform: translateY(-6px);
}
.product-num {
  position: absolute;
  top: 16px; right: 24px;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.08);
  transition: color 0.3s;
}
.product:hover .product-num { color: rgba(243, 146, 0, 0.25); }
.product h3 {
  font-size: 1.3rem;
  text-transform: uppercase;
  color: #fff;
}
.product p {
  color: #b0b0b0;
  font-size: 0.95rem;
  margin: 0;
}

/* ===== Ventajas ===== */
.advantages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.advantage {
  display: flex;
  gap: 20px;
  padding: 30px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  transition: all 0.4s var(--ease);
  align-items: flex-start;
}
.advantage:hover {
  background: #fff;
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.adv-icon {
  flex-shrink: 0;
  width: 50px; height: 50px;
  background: #fff;
  color: var(--color-accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  transition: all 0.3s var(--ease);
  border: 1px solid var(--color-border);
}
.advantage:hover .adv-icon {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.advantage h4 {
  font-size: 1.15rem;
  margin: 0 0 6px;
  text-transform: uppercase;
}
.advantage p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin: 0;
}

/* ===== Galería ===== */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 240px 240px;
  gap: 16px;
}
.g-item {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  group: gallery;
}
.g-item--tall { grid-row: span 2; }
.g-item--wide { grid-column: span 2; }
.g-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s var(--ease);
}
.g-img-1 { background-image: url('img/gallery-1.jpg'); }
.g-img-2 { background-image: url('img/gallery-2.jpg'); }
.g-img-3 { background-image: url('img/gallery-3.jpg'); }
.g-img-4 { background-image: url('img/gallery-4.jpg'); }
.g-item:hover .g-img { transform: scale(1.08); }
.g-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.85) 100%);
  pointer-events: none;
}
.g-item figcaption {
  position: absolute;
  left: 24px; right: 24px; bottom: 22px;
  color: #fff;
  z-index: 2;
}
.g-item figcaption span {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: var(--color-accent);
  color: #fff;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.g-item figcaption h4 {
  margin: 0;
  color: #fff;
  font-size: 1.1rem;
  text-transform: uppercase;
}

/* ===== CTA Band ===== */
.cta-band {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cpath d='M0 0h30v30H0zM30 30h30v30H30z' fill='%23ffffff' opacity='.05'/%3E%3C/svg%3E");
  opacity: 0.5;
}
.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.cta-band h3 {
  color: #fff;
  font-size: 2rem;
  margin: 0;
  text-transform: uppercase;
}
.cta-band p {
  color: rgba(255, 255, 255, 0.85);
  margin: 8px 0 0;
}
.cta-band .btn-primary {
  background: var(--color-dark);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}
.cta-band .btn-primary:hover { background: #000; }

/* ===== Contacto ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 50px;
  align-items: start;
}
.info-item {
  display: flex;
  gap: 18px;
  margin-bottom: 26px;
  align-items: flex-start;
}
.info-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.info-item h4 {
  margin: 0 0 4px;
  font-size: 1rem;
  text-transform: uppercase;
}
.info-item a, .info-item p {
  color: var(--color-muted);
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
  transition: color 0.2s;
}
.info-item a:hover { color: var(--color-accent); }

.map-wrap {
  margin-top: 30px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 280px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.map-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.contact-form {
  background: #fff;
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}
.field { margin-bottom: 18px; }
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-dark);
  letter-spacing: 0.3px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
  background: #fafafa;
  color: var(--color-dark);
  transition: all 0.25s var(--ease);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(243, 146, 0, 0.12);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note {
  font-size: 0.8rem;
  color: var(--color-muted);
  text-align: center;
  margin: 14px 0 0;
}

/* ===== Footer ===== */
.footer {
  background: #161616;
  color: #b0b0b0;
  padding-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 50px;
  padding-bottom: 60px;
}
.footer-logo {
  height: 90px;
  width: auto;
  background: #fff;
  padding: 12px 18px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  display: inline-block;
}
.footer p { color: #909090; font-size: 0.95rem; }
.footer h5 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: #fff;
  margin: 0 0 22px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer ul li { margin-bottom: 12px; font-size: 0.95rem; }
.footer ul a { color: #b0b0b0; transition: color 0.2s; }
.footer ul a:hover { color: var(--color-accent); }
.contact-list i {
  color: var(--color-accent);
  margin-right: 10px;
  width: 16px;
}
.socials {
  margin-top: 24px;
  display: flex;
  gap: 12px;
}
.socials a {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  color: #fff;
  transition: all 0.3s var(--ease);
}
.socials a:hover {
  background: var(--color-accent);
  transform: translateY(-3px);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 24px 0;
}
.footer-bottom p {
  margin: 0;
  text-align: center;
  font-size: 0.85rem;
  color: #707070;
}

/* ===== WhatsApp Floating ===== */
.whatsapp-float {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 62px;
  height: 62px;
  background: var(--color-whatsapp);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.9rem;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.45);
  z-index: 99;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.whatsapp-float:hover {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 14px 38px rgba(37, 211, 102, 0.55);
}
.wa-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--color-whatsapp);
  z-index: -1;
  animation: waPulse 2s ease-out infinite;
}
@keyframes waPulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.8); opacity: 0; }
}

/* ===== Animations on scroll ===== */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
[data-animate].in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: 200px 200px 200px;
  }
  .g-item--tall { grid-row: auto; }
  .g-item--wide { grid-column: span 2; }
}

@media (max-width: 720px) {
  .section { padding: 70px 0; }
  .menu-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background: #fff;
    padding: 30px 24px;
    gap: 20px;
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    transform: translateY(-150%);
    transition: transform 0.4s var(--ease);
    align-items: stretch;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a {
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
  }
  .nav-links a:last-child {
    border-bottom: none;
    text-align: center;
    padding: 14px 22px;
  }
  .hero { background-attachment: scroll; }
  .hero-bg { background-attachment: scroll; }
  .hero-stats { grid-template-columns: 1fr; gap: 18px; }
  .stat strong { font-size: 1.8rem; }
  .hero-cta .btn { flex: 1; justify-content: center; min-width: 0; }
  .cta-band-inner { text-align: center; justify-content: center; }
  .cta-band h3 { font-size: 1.5rem; }
  .field-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; padding-bottom: 40px; }
  .gallery {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, 220px);
  }
  .g-item--wide { grid-column: auto; }
  .whatsapp-float {
    width: 56px; height: 56px;
    font-size: 1.7rem;
    right: 18px; bottom: 18px;
  }
}