/* ── Reset & Variables ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:       #0D2E4E;
  --blue:       #1469A5;
  --blue2:      #1A7BC4;
  --yellow:     #FFC31E;
  --yellow-light: #FFD454;
  --white:      #FFFFFF;
  --off:        #F4F8FC;
  --light:      #EBF5FC;
  --stone:      #D0E4F0;
  --gray:       #5A6A7A;
  --dark:       #0D1B2A;
  --mid:        #6A8090;
  --radius-sm:  6px;
  --radius:     10px;
  --radius-lg:  18px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--white);
  color: var(--dark);
  overflow-x: hidden;
  font-size: 16px;
  line-height: 1.6;
}

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.6rem, 5.5vw, 4.8rem); font-weight: 900; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 800; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 700; }

/* ── Utilities ── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 32px; }

/* ── Fade-in animation ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.8s ease both; }
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }

/* ── Navigation ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
nav.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  padding: 12px 0;
  box-shadow: 0 2px 24px rgba(13,46,78,0.10);
  border-bottom: 3px solid var(--yellow);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
}
.logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  transition: color var(--transition);
}
nav.scrolled .logo { color: var(--navy); }
.logo span { color: var(--yellow); }
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  transition: color var(--transition);
}
nav.scrolled .nav-links a { color: var(--gray); }
.nav-links a:hover { color: var(--yellow); }
nav.scrolled .nav-links a:hover { color: var(--blue); }
.nav-cta {
  background: var(--yellow) !important;
  color: var(--navy) !important;
  padding: 9px 22px !important;
  border-radius: var(--radius-sm) !important;
  font-family: 'Outfit', sans-serif !important;
  font-weight: 800 !important;
  font-size: 0.78rem !important;
  letter-spacing: 0.04em !important;
  box-shadow: 0 3px 14px rgba(255,195,30,0.4) !important;
  transition: all var(--transition) !important;
  opacity: 1 !important;
}
.nav-cta:hover {
  transform: translateY(-1px) !important;
  box-shadow: 0 6px 22px rgba(255,195,30,0.55) !important;
  color: var(--navy) !important;
}

/* ── Mobile nav toggle ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
  border-radius: 2px;
}
nav.scrolled .hamburger span { background: var(--navy); }
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
}

/* ── Hero ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    url('https://images.unsplash.com/photo-1508514177221-188b1cf16e9d?w=1800&q=80') center 40%/cover no-repeat;
  filter: brightness(0.42) saturate(1.1);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(13,46,78,0.92) 0%,
    rgba(13,46,78,0.80) 45%,
    rgba(20,105,165,0.55) 100%
  );
}
.hero-stripe {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--yellow), #FFE066, var(--yellow));
  z-index: 3;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding: 120px 32px 80px;
  margin-left: calc((100vw - 1160px) / 2);
}
@media (max-width: 1200px) { .hero-content { margin-left: 32px; } }
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,195,30,0.15);
  border: 1px solid rgba(255,195,30,0.35);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
}
.hero-label-dot {
  width: 7px; height: 7px;
  background: var(--yellow);
  border-radius: 50%;
  animation: blink 2s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }
.hero-label span {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--yellow);
}
#hero h1 {
  color: var(--white);
  margin-bottom: 20px;
}
#hero h1 em { font-style: normal; color: var(--yellow); }
.hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  max-width: 500px;
  font-weight: 400;
  margin-bottom: 40px;
  line-height: 1.75;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: var(--yellow);
  color: var(--navy);
  box-shadow: 0 6px 28px rgba(255,195,30,0.5);
}
.btn-primary:hover { background: var(--yellow-light); transform: translateY(-2px); box-shadow: 0 10px 36px rgba(255,195,30,0.6); }
.btn-secondary {
  background: rgba(255,255,255,0.1);
  border: 2px solid rgba(255,255,255,0.35);
  color: var(--white);
  backdrop-filter: blur(4px);
}
.btn-secondary:hover { background: rgba(255,255,255,0.18); border-color: rgba(255,255,255,0.6); }
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.35);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,0.3));
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse { 0%,100%{opacity:0.3} 50%{opacity:0.8} }

/* ── Stats bar ── */
#stats {
  background: var(--navy);
  padding: 48px 0;
  border-bottom: 3px solid var(--yellow);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.stat-item {
  padding: 20px 40px;
  border-right: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.4rem, 4vw, 3.5rem);
  font-weight: 900;
  color: var(--yellow);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}
.stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  font-weight: 500;
}

/* ── Section styles ── */
section { position: relative; }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--yellow);
  border-radius: 2px;
}

/* ── Servicios ── */
#servicios {
  padding: 120px 0;
  background: var(--white);
}
.servicios-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 64px;
}
.servicios-intro {
  font-size: 0.95rem;
  color: var(--gray);
  font-weight: 400;
  line-height: 1.8;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.service-card {
  background: var(--off);
  border: 1px solid var(--stone);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: all var(--transition);
}
.service-card:hover {
  background: var(--light);
  border-color: var(--blue);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(20,105,165,0.12);
}
.service-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  color: var(--blue);
}
.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--navy);
}
.service-card p {
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.7;
  font-weight: 400;
}

/* ── Nosotros ── */
#nosotros {
  padding: 120px 0;
  background: var(--off);
}
.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.nosotros-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
}
.nosotros-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}
.nosotros-image:hover img { transform: scale(1.03); }
.nosotros-badge {
  position: absolute;
  bottom: 28px;
  right: -16px;
  background: var(--navy);
  color: var(--white);
  padding: 18px 24px;
  border-radius: var(--radius);
  font-family: 'Outfit', sans-serif;
  font-size: 1.3rem;
  font-weight: 900;
  line-height: 1.2;
  text-align: center;
  box-shadow: 0 8px 40px rgba(13,46,78,0.35);
  border-left: 4px solid var(--yellow);
}
.nosotros-badge span {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-top: 4px;
}
.nosotros-text h2 { margin-bottom: 20px; color: var(--navy); }
.nosotros-text p {
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.85;
  font-weight: 400;
  margin-bottom: 14px;
}
.diferencial-list {
  list-style: none;
  margin: 28px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.diferencial-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--dark);
  font-weight: 500;
}
.diferencial-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--yellow);
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}

/* ── Proyectos ── */
#proyectos {
  padding: 120px 0;
  background: var(--white);
}
.proyectos-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 56px;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: 280px 280px;
  gap: 12px;
}
.gallery-item {
  overflow: hidden;
  border-radius: var(--radius);
  position: relative;
}
.gallery-item:nth-child(1) { grid-column: 1 / 6; grid-row: 1; }
.gallery-item:nth-child(2) { grid-column: 6 / 9; grid-row: 1; }
.gallery-item:nth-child(3) { grid-column: 9 / 13; grid-row: 1 / 3; }
.gallery-item:nth-child(4) { grid-column: 1 / 4; grid-row: 2; }
.gallery-item:nth-child(5) { grid-column: 4 / 9; grid-row: 2; }
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}
.gallery-item:hover img { transform: scale(1.06); }
.gallery-caption {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,46,78,0.85) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 20px;
}
.gallery-item:hover .gallery-caption { opacity: 1; }
.gallery-caption p {
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* ── Calculadora ── */
#calculadora {
  padding: 120px 0;
  background: var(--navy);
}
.calc-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.calc-text .section-label { color: var(--yellow); }
.calc-text .section-label::before { background: var(--yellow); }
.calc-text h2 { color: var(--white); margin-bottom: 20px; }
.calc-text h2 em { font-style: normal; color: var(--yellow); }
.calc-text p {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  line-height: 1.8;
  font-weight: 400;
}
.calc-text p a { color: var(--yellow); text-decoration: none; }
.calc-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,195,30,0.2);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  backdrop-filter: blur(8px);
}
.calc-card h3 {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 28px;
  font-weight: 700;
}
.calc-field { margin-bottom: 18px; }
.calc-field label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 7px;
  font-weight: 600;
}
.calc-field input, .calc-field select {
  width: 100%;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  padding: 12px 16px;
  outline: none;
  transition: border-color var(--transition);
}
.calc-field input:focus,
.calc-field select:focus { border-color: rgba(255,195,30,0.6); }
.calc-field select option { background: #0D2E4E; }
.calc-result {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: none;
}
.calc-result.visible { display: block; }
.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.result-row span:first-child {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  font-weight: 400;
}
.result-row span:last-child {
  font-family: 'Outfit', sans-serif;
  font-size: 1.3rem;
  color: var(--yellow);
  font-weight: 800;
}
.calc-disclaimer {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.2);
  margin-top: 14px;
  line-height: 1.5;
}
.btn-calc {
  width: 100%;
  background: var(--yellow);
  color: var(--navy);
  border: none;
  border-radius: var(--radius-sm);
  padding: 14px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  margin-top: 8px;
  transition: var(--transition);
  box-shadow: 0 4px 18px rgba(255,195,30,0.4);
}
.btn-calc:hover { background: var(--yellow-light); transform: translateY(-1px); }

/* ── FAQ ── */
#faq {
  padding: 120px 0;
  background: var(--off);
}
.faq-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
}
.faq-side h2 { margin-bottom: 16px; color: var(--navy); }
.faq-side p {
  font-size: 0.9rem;
  color: var(--gray);
  font-weight: 400;
  line-height: 1.8;
}
.faq-list { display: flex; flex-direction: column; gap: 2px; }
.faq-item { border-bottom: 1px solid var(--stone); }
.faq-q {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark);
  transition: color var(--transition);
}
.faq-q:hover { color: var(--blue); }
.faq-q svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--yellow);
}
.faq-item.open .faq-q { color: var(--blue); }
.faq-item.open .faq-q svg { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.open .faq-a { max-height: 300px; padding-bottom: 18px; }
.faq-a p {
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.8;
  font-weight: 400;
}

/* ── Contacto ── */
#contacto {
  padding: 120px 0;
  background: var(--white);
}
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}
.contacto-info h2 { margin-bottom: 16px; color: var(--navy); }
.contacto-info > p {
  font-size: 0.95rem;
  color: var(--gray);
  font-weight: 400;
  line-height: 1.8;
  margin-bottom: 40px;
}
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}
.contact-icon {
  width: 40px;
  height: 40px;
  background: var(--light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--blue);
  border: 1px solid rgba(20,105,165,0.15);
}
.contact-icon svg { width: 18px; height: 18px; }
.contact-detail-text {
  font-size: 0.72rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 3px;
  font-weight: 600;
}
.contact-detail-value {
  font-size: 0.95rem;
  color: var(--dark);
  font-weight: 500;
}
.contact-detail-value a {
  color: var(--dark);
  text-decoration: none;
  transition: color var(--transition);
}
.contact-detail-value a:hover { color: var(--blue); }

/* Form */
.form-card {
  background: var(--off);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  border: 1px solid var(--stone);
}
.form-card h3 {
  font-size: 1.4rem;
  margin-bottom: 28px;
  font-weight: 800;
  color: var(--navy);
}
.form-field { margin-bottom: 16px; }
.form-field label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 6px;
  font-weight: 600;
}
.form-field input, .form-field textarea, .form-field select {
  width: 100%;
  background: var(--white);
  border: 1px solid var(--stone);
  border-radius: var(--radius-sm);
  color: var(--dark);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  padding: 11px 14px;
  outline: none;
  transition: border-color var(--transition);
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(20,105,165,0.08); }
.form-field textarea { resize: vertical; min-height: 90px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.btn-submit {
  width: 100%;
  background: var(--blue);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  padding: 14px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  margin-top: 8px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 18px rgba(20,105,165,0.3);
}
.btn-submit:hover { background: var(--yellow); color: var(--navy); box-shadow: 0 6px 24px rgba(255,195,30,0.4); }

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.35);
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.5);
}
.whatsapp-float svg { width: 28px; height: 28px; fill: white; }

/* ── Footer ── */
footer {
  background: var(--dark);
  padding: 64px 0 32px;
  border-top: 4px solid var(--yellow);
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 48px;
}
.footer-brand .logo { color: var(--white); font-size: 1.3rem; }
.footer-brand p {
  margin-top: 14px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.35);
  line-height: 1.75;
  font-weight: 400;
  max-width: 280px;
}
.footer-col h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  text-decoration: none;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.22);
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  transition: var(--transition);
}
.footer-social a:hover { border-color: var(--yellow); color: var(--yellow); }
.footer-social svg { width: 15px; height: 15px; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .nosotros-grid { gap: 50px; }
  .calc-inner { gap: 50px; }
  .gallery-grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .gallery-item:nth-child(n) { grid-column: auto; grid-row: auto; }
  .gallery-item { aspect-ratio: 4/3; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .servicios-header { grid-template-columns: 1fr; gap: 20px; }
  .services-grid { grid-template-columns: 1fr; }
  .nosotros-grid { grid-template-columns: 1fr; gap: 36px; }
  .nosotros-badge { right: 16px; }
  .proyectos-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .calc-inner { grid-template-columns: 1fr; gap: 36px; }
  .faq-inner { grid-template-columns: 1fr; gap: 36px; }
  .contacto-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .stat-item:last-child { border-bottom: none; }
}