/* ═══════════════════════════════════════════
   ERHOS TECHNOLOGY — styles.css
   Negro · Rojo · Blanco
═══════════════════════════════════════════ */

/* ── Variables ─────────────────────────── */
:root {
  --negro:   #000000;
  --rojo:    #CC0000;
  --rojo-dark: #990000;
  --blanco:  #FFFFFF;
  --gris1:   #F4F4F4;
  --gris2:   #DDDDDD;
  --gris3:   #888888;
  --texto:   #222222;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --radius:  6px;
  --shadow:  0 4px 24px rgba(0,0,0,0.10);
  --transition: 0.25s ease;
}

/* ── Reset ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--texto);
  background: var(--blanco);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ── Typography ─────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  line-height: 1.1;
}

h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); }

h1 em, h2 em { font-style: normal; color: var(--rojo); }

.legal-section {
  padding-bottom: 80px;
}

.legal-section h2 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #555;
  margin: 36px 0 10px;
  line-height: 1.4;
}

p { line-height: 1.7; font-size: 1.08rem; }

/* ── Container ──────────────────────────── */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Section tags ───────────────────────── */
.section-tag {
  display: inline-block;
  background: var(--rojo);
  color: var(--blanco);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 16px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header h2 { margin-top: 12px; }
.section-header h2 strong {
  font-family: var(--font-display);
  color: inherit;
  font-weight: 900;
}

/* ════════════════════════════════════════════
   BUTTONS
════════════════════════════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--rojo);
  color: var(--blanco);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: 2px solid var(--rojo);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.btn-primary:hover {
  background: var(--rojo-dark);
  border-color: var(--rojo-dark);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--blanco);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: 2px solid rgba(255,255,255,0.5);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}
.btn-ghost:hover {
  border-color: var(--blanco);
  background: rgba(255,255,255,0.1);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--negro);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  padding: 13px 28px;
  border-radius: var(--radius);
  border: 2px solid var(--negro);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.btn-outline:hover {
  background: var(--negro);
  color: var(--blanco);
}

.btn-lg { padding: 18px 40px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* WhatsApp header button */
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--rojo);
  color: var(--blanco);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 9px 18px;
  border-radius: var(--radius);
  transition: background var(--transition);
  white-space: nowrap;
}
.btn-whatsapp:hover { background: var(--rojo-dark); }
.btn-whatsapp .fab { font-size: 1rem; }

/* ════════════════════════════════════════════
   HEADER / NAV
════════════════════════════════════════════ */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--negro);
  border-bottom: 2px solid var(--rojo);
  transition: box-shadow var(--transition);
}
#header.scrolled {
  box-shadow: 0 2px 20px rgba(204,0,0,0.25);
}

.nav-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 32px;
}

/* Logo */
.logo {
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: 0.05em;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-img {
  height: 36px;
  width: 36px;
  object-fit: contain;
  border-radius: 50%;
}
.logo-red  { color: var(--rojo); }
.logo-white{ color: var(--blanco); }

/* Step circular images */
/* Nav links */
.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav-link {
  color: var(--gris3);
  font-size: 0.96rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover,
.nav-link.active {
  color: var(--blanco);
  background: rgba(255,255,255,0.08);
}
.nav-link.active { color: var(--rojo); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--blanco);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ════════════════════════════════════════════
   HERO — CAROUSEL
════════════════════════════════════════════ */
.hero { margin-top: 68px; }

.carousel {
  position: relative;
  height: calc(100vh - 68px);
  min-height: 520px;
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 0.8s ease;
  pointer-events: none;
}
.slide.active {
  opacity: 1;
  pointer-events: auto;
}

/* Slide backgrounds */
.slide-1, .slide-2, .slide-3 { background: #0a0a0a; }

.slide-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

/* Geometric pattern overlay */
.slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 60px,
      rgba(204,0,0,0.04) 60px,
      rgba(204,0,0,0.04) 61px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 60px,
      rgba(204,0,0,0.04) 60px,
      rgba(204,0,0,0.04) 61px
    );
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);
}

.slide-content {
  position: relative;
  z-index: 2;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.slide-tag {
  display: inline-block;
  border: 1px solid rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.7);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 2px;
  margin-bottom: 20px;
}

.slide-title {
  color: var(--blanco);
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(4rem, 9.5vw, 8rem);
  letter-spacing: 0.05em;
  line-height: 0.88;
  text-shadow:
    0 2px 10px rgba(0,0,0,0.7),
    0 4px 40px rgba(0,0,0,0.4);
}

.slide-title em {
  display: block;
  font-style: normal;
  color: var(--rojo);
}

.slide-sub {
  color: rgba(255,255,255,0.75);
  font-size: 1.2rem;
  max-width: 500px;
  margin-bottom: 36px;
}

.slide-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Carousel controls */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--blanco);
  width: 48px; height: 48px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), border-color var(--transition);
}
.carousel-btn:hover {
  background: var(--rojo);
  border-color: var(--rojo);
}
.prev { left: 24px; }
.next { right: 24px; }

/* Dots */
.carousel-dots {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 10px;
}
.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.dot.active {
  background: var(--rojo);
  transform: scale(1.3);
}

/* ════════════════════════════════════════════
   INTRO STRIP
════════════════════════════════════════════ */
.intro-strip {
  padding: 90px 0;
  background: var(--blanco);
}
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.intro-text h2 { margin: 12px 0 20px; }
.intro-text p { color: #555; margin-bottom: 32px; }
.intro-btns { display: flex; gap: 16px; flex-wrap: wrap; }

.intro-stats {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.stat-card {
  border-left: 4px solid var(--rojo);
  padding: 20px 28px;
  background: var(--gris1);
  border-radius: 0 var(--radius) var(--radius) 0;
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--rojo);
  line-height: 1;
}
.stat-label {
  font-size: 1rem;
  color: #555;
  font-weight: 500;
}

/* ════════════════════════════════════════════
   SERVICIOS
════════════════════════════════════════════ */
.servicios {
  padding: 90px 0;
  background: var(--gris1);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--blanco);
  padding: 0;
  border-radius: 14px;
  border: 1px solid #e4e4e4;
  border-top: 4px solid var(--rojo);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.35s cubic-bezier(0.25,0.8,0.25,1),
              box-shadow 0.35s ease;
}

.service-card:hover {
  transform: scale(1.04);
  box-shadow: 0 10px 36px rgba(0,0,0,0.13);
}

.service-header {
  background: transparent;
  padding: 28px 24px 12px;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 0;
}

.service-header h3 {
  color: var(--texto);
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin: 0;
  line-height: 1.1;
}

/* ícono */
.service-icon {
  width: 44px; height: 44px;
  background: var(--rojo);
  color: var(--blanco);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* contenido inferior */
.service-body {
  padding: 20px 24px 28px;
}
.service-body p { color: #555; font-size: 1rem; margin-bottom: 18px; }

/* tags */
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.service-tags span {
  background: var(--gris1);
  color: #555;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 4px;
}

/* ════════════════════════════════════════════
   PROCESO PREVIEW (homepage)
════════════════════════════════════════════ */
.proceso-preview {
  padding: 90px 0;
  background: var(--blanco);
}
.steps-track {
  border-top: 2.5px solid #111;
  border-bottom: 2.5px solid #111;
  padding: 28px 0;
  margin-bottom: 48px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.step-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  transition: transform 0.35s ease;
}

.step-col:hover {
  transform: translateY(-8px);
}

.step-label {
  background: #111;
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 700;
  text-align: center;
  padding: 8px 16px;
  border-radius: 50px;
  white-space: nowrap;
  transition: background 0.3s ease;
}

.step-col:hover .step-label {
  background: var(--rojo);
}

.step-img-box {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(0,0,0,0.10);
  transition: box-shadow 0.35s ease;
}

.step-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s ease;
}

.step-col:hover .step-img-box {
  box-shadow: 0 10px 32px rgba(204,0,0,0.20);
}

.step-col:hover .step-img-box img {
  transform: scale(1.06);
}

.proceso-cta { text-align: center; }

/* ════════════════════════════════════════════
   FAQ
════════════════════════════════════════════ */
.faq {
  padding: 60px 0;
  background: var(--gris1);
  position: relative;
}

.faq-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 60px;
  align-items: start;
}

.faq-intro {
  text-align: left;
  padding-top: 8px;
}
.faq-intro h2 {
  margin: 12px 0 16px;
  color: var(--texto);
}
.faq-intro p {
  color: #666;
  font-size: 1rem;
  line-height: 1.6;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.1);
}

.faq-item {
  background: var(--blanco);
  border-bottom: 1px solid rgba(0,0,0,0.07);
  position: relative;
  transition: background 0.3s ease;
  overflow: hidden;
}
.faq-item:last-child { border-bottom: none; }

.faq-item::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--rojo), #ff4444);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.faq-item:hover { background: #fafafa; }
.faq-item.open  { background: #fff8f8; }
.faq-item.open::before { opacity: 1; }

.faq-q {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--texto);
  text-align: left;
  letter-spacing: 0.01em;
  transition: color 0.25s ease;
}
.faq-q:hover          { color: var(--negro); }
.faq-item.open .faq-q { color: var(--rojo); }

.faq-icon {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--blanco);
  border: 2px solid var(--rojo);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.6rem;
  color: var(--rojo);
  transition: background 0.3s ease, color 0.3s ease,
              box-shadow 0.3s ease, border-color 0.3s ease;
}
.faq-icon i {
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item:hover .faq-icon {
  box-shadow: 0 0 0 5px rgba(204,0,0,0.10);
}
.faq-item.open .faq-icon {
  background: var(--rojo);
  color: var(--blanco);
  border-color: var(--rojo);
  box-shadow: 0 0 0 5px rgba(204,0,0,0.15), 0 4px 12px rgba(204,0,0,0.3);
}
.faq-item.open .faq-icon i {
  transform: rotate(90deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-a p {
  padding: 0 28px 22px;
  font-size: 1rem;
  color: #555;
  line-height: 1.7;
}
.faq-item.open .faq-a { max-height: 300px; }

/* ════════════════════════════════════════════
   CTA FINAL
════════════════════════════════════════════ */
.cta-final {
  background: var(--rojo);
  padding: 28px 0;
  position: relative;
  overflow: hidden;
}
.cta-final::before { display: none; }
.cta-final .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.cta-final h2 {
  color: var(--blanco);
  margin-bottom: 0;
  font-size: clamp(1.3rem, 2.5vw, 2rem);
}
.cta-final p { display: none; }
.cta-final .btn-primary {
  background: var(--blanco);
  color: var(--rojo);
  border-color: var(--blanco);
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.cta-final .btn-primary:hover {
  background: transparent;
  color: var(--blanco);
  border-color: var(--blanco);
}
@media (max-width: 640px) {
  .cta-final .container {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }
}

/* ════════════════════════════════════════════
   PAGE HERO (páginas internas)
════════════════════════════════════════════ */
.page-hero {
  margin-top: 68px;
  background: var(--negro);
  padding: 55px 0 48px;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--rojo);
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg, transparent, transparent 50px,
      rgba(204,0,0,0.05) 50px, rgba(204,0,0,0.05) 51px
    ),
    repeating-linear-gradient(
      90deg, transparent, transparent 50px,
      rgba(204,0,0,0.05) 50px, rgba(204,0,0,0.05) 51px
    );
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: var(--blanco); margin: 12px 0 16px; }
.page-hero p  { color: var(--gris3); font-size: 1.05rem; max-width: 600px; }

/* ════════════════════════════════════════════
   SOBRE MI
════════════════════════════════════════════ */
.about-section {
  padding: 90px 0;
  background: var(--blanco);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-text h2 { margin: 12px 0 24px; }
.about-text p { color: #555; margin-bottom: 16px; }

.about-visual { display: flex; justify-content: center; align-items: center; }
.about-video {
  width: 100%;
  height: auto;
  border-radius: 16px;
  object-fit: cover;
  display: block;
}

.mv-section {
  padding: 80px 0;
  background: var(--gris1);
}
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.mv-card {
  background: var(--blanco);
  padding: 44px 36px;
  border-radius: var(--radius);
  border-top: 4px solid var(--rojo);
  box-shadow: var(--shadow);
}
.mv-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.mv-icon {
  width: 56px; height: 56px;
  flex-shrink: 0;
  background: var(--rojo);
  color: var(--blanco);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
}
.mv-card h3 { margin-bottom: 0; }
.mv-card p  { color: #555; }

.audience-section {
  padding: 90px 0;
  background: var(--blanco);
}
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.audience-card {
  text-align: center;
  padding: 44px 28px;
  border: 1px solid var(--gris2);
  border-radius: var(--radius);
  transition: box-shadow var(--transition), transform var(--transition);
}
.audience-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.audience-card i {
  font-size: 2rem;
  color: var(--rojo);
  margin-bottom: 20px;
}
.audience-card h3 { margin-bottom: 12px; }
.audience-card p  { color: #666; font-size: 0.9rem; }

/* ════════════════════════════════════════════
   PROCESO
════════════════════════════════════════════ */
.proceso-section {
  padding: 90px 0;
  background: var(--blanco);
}
.proceso-step {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 0;
}
.proceso-num {
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--rojo);
  line-height: 1;
  text-align: center;
  position: sticky;
  top: 90px;
}
.proceso-body {
  padding: 40px 44px;
  background: var(--gris1);
  border-radius: var(--radius);
  border-left: 4px solid var(--rojo);
}
.proceso-body h3 { margin-bottom: 14px; font-size: 1.6rem; }
.proceso-body p  { color: #555; margin-bottom: 20px; }

.proceso-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.proceso-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: #444;
}
.proceso-list .fa-check {
  color: var(--rojo);
  flex-shrink: 0;
  margin-top: 3px;
}

.proceso-connector {
  width: 2px;
  height: 40px;
  background: var(--rojo);
  margin: 0 0 0 49px;
  opacity: 0.4;
}

/* ════════════════════════════════════════════
   PROYECTOS
════════════════════════════════════════════ */
.proyectos-section {
  padding: 90px 0;
  background: var(--blanco);
}
.coming-soon {
  text-align: center;
  padding: 100px 40px;
  border: 2px dashed var(--gris2);
  border-radius: var(--radius);
  max-width: 600px;
  margin: 0 auto;
}
.coming-icon {
  width: 80px; height: 80px;
  background: var(--gris1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  color: var(--rojo);
  margin: 0 auto 28px;
}
.coming-soon h2 { margin-bottom: 16px; }
.coming-soon p  { color: #666; margin-bottom: 12px; }
.coming-sub { font-weight: 600; color: var(--negro) !important; margin-bottom: 28px !important; }

.proyectos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.proyecto-card {
  border-radius: 12px;
  overflow: hidden;
  background: var(--blanco);
  border: 1px solid var(--gris2);
  transition: box-shadow var(--transition), transform var(--transition);
}
.proyecto-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  transform: translateY(-5px);
}
.proyecto-img {
  overflow: hidden;
  height: 220px;
  background: var(--gris1);
}
.proyecto-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
  display: block;
}
.proyecto-card:hover .proyecto-img img { transform: scale(1.06); }

.proyecto-info {
  padding: 24px 24px 28px;
}

.proyecto-cat {
  display: inline-block;
  color: var(--rojo);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.proyecto-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--negro);
  margin-bottom: 12px;
  line-height: 1.15;
  letter-spacing: 0.02em;
}

.proyecto-info p {
  color: #555;
  font-size: 0.97rem;
  font-style: italic;
  margin-bottom: 20px;
  line-height: 1.65;
}

.proyecto-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.proyecto-tags span {
  color: #555;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: monospace;
  letter-spacing: 0.03em;
  padding: 0;
}

/* ════════════════════════════════════════════
   CONTACTO
════════════════════════════════════════════ */
.contacto-section {
  padding: 90px 0;
  background: var(--blanco);
}
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contacto-info h2 { margin-bottom: 12px; }
.contacto-info > p { color: #555; margin-bottom: 32px; }

.whatsapp-big {
  display: flex;
  align-items: center;
  gap: 18px;
  background: #25D366;
  color: var(--blanco);
  padding: 20px 28px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  transition: opacity var(--transition), transform var(--transition);
}
.whatsapp-big:hover { opacity: 0.92; transform: translateY(-2px); }
.whatsapp-big .fab { font-size: 2rem; flex-shrink: 0; }
.whatsapp-big span { font-size: 0.78rem; font-weight: 500; opacity: 0.85; display: block; }
.whatsapp-big strong { font-size: 1.2rem; display: block; }

.social-links-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.social-link-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 22px;
  border: 1px solid var(--gris2);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.social-link-card:hover:not(.disabled) {
  border-color: var(--rojo);
  box-shadow: 0 2px 12px rgba(204,0,0,0.1);
}
.social-link-card.disabled { opacity: 0.45; cursor: default; }
.social-link-card .fab { font-size: 1.4rem; color: var(--rojo); flex-shrink: 0; }
.social-link-card span { font-size: 0.75rem; color: #888; display: block; }
.social-link-card strong { font-size: 0.95rem; color: var(--negro); display: block; }

/* Form */
.contacto-form h2 { margin-bottom: 12px; }
.contacto-form > p { color: #555; margin-bottom: 32px; }

.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--negro);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border: 1.5px solid var(--gris2);
  border-radius: var(--radius);
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--texto);
  background: var(--blanco);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--rojo);
  box-shadow: 0 0 0 3px rgba(204,0,0,0.08);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════ */
.footer {
  background: var(--negro);
  padding: 72px 0 0;
  border-top: 2px solid var(--rojo);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .logo {
  display: inline-block;
  font-size: 1.6rem;
  margin-bottom: 16px;
}
.footer-brand p {
  color: var(--gris3);
  font-size: 0.96rem;
  line-height: 1.6;
  max-width: 280px;
  margin-bottom: 24px;
}
.footer-socials {
  display: flex;
  gap: 12px;
}
.footer-socials a {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--gris3);
  font-size: 0.95rem;
  transition: background var(--transition), color var(--transition);
}
.footer-socials a:hover {
  background: var(--rojo);
  color: var(--blanco);
  border-color: var(--rojo);
}

.footer-links h4,
.footer-contact h4 {
  color: var(--blanco);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  color: var(--gris3);
  font-size: 0.96rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--rojo); }
.footer-contact p {
  color: var(--gris3);
  font-size: 0.96rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact .fab { color: var(--rojo); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 20px 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  text-align: center;
}
.footer-bottom p {
  color: #444;
  font-size: 0.8rem;
}
.footer-bottom a {
  color: #444;
  font-size: 0.8rem;
  text-decoration: none;
  transition: color 0.2s;
}
.footer-bottom a:hover {
  color: var(--rojo);
}

/* ════════════════════════════════════════════
   RESPONSIVE — Tablet
════════════════════════════════════════════ */
@media (max-width: 900px) {
  .services-grid  { grid-template-columns: repeat(2, 1fr); }
  .intro-grid     { grid-template-columns: 1fr; gap: 40px; }
  .about-grid     { grid-template-columns: 1fr; gap: 40px; }
  .mv-grid        { grid-template-columns: 1fr; }
  .audience-grid  { grid-template-columns: repeat(2, 1fr); }
  .contacto-grid  { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid    { grid-template-columns: 1fr 1fr; gap: 36px; }
  .faq-layout     { grid-template-columns: 1fr; }
  .faq-image      { display: none; }
  .steps-grid     { grid-template-columns: repeat(3, 1fr); }
  .proyectos-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ════════════════════════════════════════════
   RESPONSIVE — Mobile
════════════════════════════════════════════ */
@media (max-width: 640px) {
  /* Nav */
  .nav-links {
    display: none;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--negro);
    border-top: 1px solid rgba(255,255,255,0.07);
    border-bottom: 2px solid var(--rojo);
    flex-direction: column;
    padding: 16px 0;
    gap: 0;
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-link { padding: 14px 24px; border-radius: 0; }

  .btn-whatsapp { display: none; }
  .hamburger { display: flex; }

  /* Hero */
  .slide-btns { flex-direction: column; align-items: flex-start; }
  .carousel-btn { display: none; }

  /* Services */
  .services-grid  { grid-template-columns: 1fr; }
  .proyectos-grid { grid-template-columns: 1fr; }

  /* Steps row */
  .steps-row { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); }

  /* Proceso */
  .proceso-step { grid-template-columns: 1fr; gap: 16px; }
  .proceso-num { font-size: 3.5rem; text-align: left; position: static; }
  .proceso-connector { margin: 0 0 0 24px; }

  /* About visual */
  .about-visual { display: none; }

  /* Audience */
  .audience-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; }
}

/* ── Smooth reveal animation ────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}