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

:root {
  --navy: #0a1f3f;
  --navy-light: #132d54;
  --navy-dark: #061429;
  --mint: #a8d5ba;
  --mint-light: #c5e8d4;
  --mint-pale: #e8f5ec;
  --cream: #f7f5f0;
  --cream-dark: #ede9e0;
  --white: #ffffff;
  --text: #1a1a1a;
  --text-light: #5a5a5a;
  --text-muted: #8a8a8a;
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(10, 31, 63, 0.08);
  --shadow-lg: 0 12px 48px rgba(10, 31, 63, 0.12);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Typography ── */
h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; line-height: 1.15; }

.section-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: var(--navy);
  margin-bottom: 20px;
}

.section-title em {
  font-style: italic;
  color: var(--mint);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 540px;
  line-height: 1.8;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--mint);
  color: var(--navy);
}
.btn-primary:hover {
  background: var(--mint-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(168, 213, 186, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.3);
}
.btn-ghost:hover {
  border-color: var(--mint);
  color: var(--mint);
}

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.4);
}
.btn-outline-light:hover {
  background: var(--white);
  color: var(--navy);
}

.btn-lg { padding: 18px 36px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 31, 63, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(168, 213, 186, 0.1);
  transition: all var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo-mark {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.02em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.main-nav ul {
  display: flex;
  gap: 32px;
}

.main-nav a:not(.nav-cta) {
  font-size: 0.875rem;
  font-weight: 400;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
  position: relative;
}

.main-nav a:not(.nav-cta):hover { color: var(--mint); }

.main-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--mint);
  transition: width var(--transition);
}

.main-nav a:not(.nav-cta):hover::after { width: 100%; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 50px;
  background: var(--mint);
  color: var(--navy);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition);
}

.nav-cta:hover {
  background: var(--mint-light);
  transform: translateY(-1px);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  background: var(--navy);
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(168,213,186,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  color: var(--white);
  margin-bottom: 28px;
  line-height: 1.1;
}

.hero-title .accent { color: var(--mint); }

.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.65);
  max-width: 460px;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  align-items: center;
}

.stat-number {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--mint);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.04em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

/* Hero image stack */
.hero-visual { position: relative; }

.hero-img-stack {
  position: relative;
  height: 680px;
}

.hero-img {
  position: absolute;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-img--primary {
  top: 0;
  right: 0;
  width: 68%;
  height: 85%;
}

.hero-img--accent {
  bottom: 0;
  left: 0;
  width: 55%;
  height: 38%;
  border: 4px solid var(--navy);
}

.hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-badge {
  position: absolute;
  bottom: 32%;
  right: -20px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  z-index: 2;
}

.hero-badge svg { color: var(--mint); flex-shrink: 0; }

.hero-badge span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.3;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-scroll-indicator svg {
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ── Servicios ── */
.servicios {
  padding: 120px 0;
  background: var(--cream);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header .section-desc { margin: 0 auto; }

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.servicio-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.servicio-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(168, 213, 186, 0.3);
}

.servicio-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius);
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mint);
  margin-bottom: 24px;
}

.servicio-title {
  font-size: 1.35rem;
  color: var(--navy);
  margin-bottom: 12px;
}

.servicio-desc {
  font-size: 0.925rem;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 24px;
}

.servicio-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
  transition: gap var(--transition);
}

.servicio-link:hover { gap: 12px; color: var(--mint); }

/* ── Nosotros ── */
.nosotros {
  padding: 120px 0;
  background: var(--white);
}

.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.nosotros-visual { position: relative; }

.nosotros-img-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.nosotros-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nosotros-img-float {
  position: absolute;
  bottom: -40px;
  right: -40px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--white);
}

.nosotros-img-float img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nosotros-content .section-title { margin-bottom: 28px; }

.nosotros-text {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.85;
  margin-bottom: 20px;
}

.nosotros-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 40px;
}

.value-item {
  padding: 20px 0;
  border-top: 1px solid var(--cream-dark);
}

.value-label {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}

.value-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Proyectos ── */
.proyectos {
  padding: 120px 0;
  background: var(--cream);
}

.proyectos-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: repeat(2, 280px);
  gap: 20px;
}

.proyecto-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}

.proyecto-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.proyecto-item:hover img { transform: scale(1.06); }

.proyecto-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,31,63,0.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  opacity: 0;
  transition: opacity var(--transition);
}

.proyecto-item:hover .proyecto-overlay { opacity: 1; }

.proyecto-cat {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 6px;
}

.proyecto-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--white);
  margin-bottom: 4px;
}

.proyecto-loc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

.proyecto-item--large {
  grid-column: span 7;
  grid-row: span 2;
}

.proyecto-item:nth-child(2) { grid-column: 8 / span 3; }
.proyecto-item:nth-child(3) { grid-column: 11 / span 2; }
.proyecto-item:nth-child(4) { grid-column: 8 / span 4; }
.proyecto-item:nth-child(5) { grid-column: 4 / span 4; }

/* ── CTA Section ── */
.cta-section {
  padding: 100px 0;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(168,213,186,0.08) 0%, transparent 70%);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.cta-eyebrow { color: var(--mint); }

.cta-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--white);
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.6);
  max-width: 480px;
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
}

/* ── Contacto ── */
.contacto {
  padding: 120px 0;
  background: var(--white);
}

.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.contacto-desc {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 40px;
}

.contacto-datos { display: flex; flex-direction: column; gap: 28px; }

.dato {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.dato-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mint);
  flex-shrink: 0;
}

.dato-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.dato-value {
  font-size: 0.95rem;
  color: var(--navy);
  line-height: 1.6;
}

.dato-value a:hover { color: var(--mint); }

/* Form */
.contacto-form-wrap {
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 48px;
}

.contacto-form { display: flex; flex-direction: column; gap: 20px; }

.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--white);
  border: 1.5px solid var(--cream-dark);
  border-radius: var(--radius);
  padding: 14px 16px;
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--mint);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-group--textarea { flex: 1; }

.form-success {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--mint-pale);
  border-radius: var(--radius);
  color: var(--navy);
  font-size: 0.9rem;
  font-weight: 500;
}

.form-success svg { color: var(--mint); flex-shrink: 0; }

/* ── Footer ── */
.site-footer {
  background: var(--navy-dark);
  padding: 80px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo { font-size: 1.75rem; display: block; margin-bottom: 16px; }

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
  max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 20px;
}

.footer-links ul { display: flex; flex-direction: column; gap: 12px; }

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--white); }

.footer-contact p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
  margin-bottom: 4px;
}

.footer-contact a:hover { color: var(--mint); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
}

/* ── Mobile ── */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .hero { min-height: auto; padding: 140px 0 100px; }
  .hero-stats { margin-top: 40px; }
  .nosotros-grid { grid-template-columns: 1fr; gap: 60px; }
  .nosotros-visual { max-width: 500px; }
  .contacto-grid { grid-template-columns: 1fr; gap: 48px; }
  .proyectos-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .proyecto-item--large { grid-column: span 2; grid-row: span 1; }
  .proyecto-item:nth-child(2),
  .proyecto-item:nth-child(3),
  .proyecto-item:nth-child(4),
  .proyecto-item:nth-child(5) { grid-column: auto; }
  .proyecto-item { height: 260px; }
  .proyecto-item--large { height: 360px; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 32px 24px;
    gap: 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    pointer-events: none;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .main-nav ul { flex-direction: column; gap: 16px; }
  .main-nav a:not(.nav-cta) { font-size: 1.1rem; color: rgba(255,255,255,0.8); }
  .servicios-grid { grid-template-columns: 1fr; }
  .nosotros-img-float { right: -16px; bottom: -24px; }
  .nosotros-values { grid-template-columns: 1fr; }
  .proyectos-grid { grid-template-columns: 1fr; }
  .proyecto-item--large { grid-column: span 1; }
  .contacto-form-wrap { padding: 32px 24px; }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn { justify-content: center; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .stat-divider { display: none; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero { padding: 120px 0 80px; }
  .hero-title { font-size: 2.2rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
}

/* ── Animations ── */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}