/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: #2d2d2d;
  background: #f7f5f0;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* === VARIABLES === */
:root {
  --azul: #1e3a5f;
  --azul-dark: #142944;
  --amarillo: #e8c84a;               /* Para fondos OSCUROS (azul, crema con textos grandes) */
  --amarillo-dark: #6b5400;          /* Para fondos CLAROS. AA+ (contraste ~7.5:1 sobre blanco/crema) */
  --crema: #f7f5f0;
  --blanco: #fdfcf9;
  --gris: #2d2d2d;
  --gris-medio: #6b6b6b;
  --gris-claro: #e5e2dc;
  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 32px; }

/* === HEADER === */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 240, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(30, 58, 95, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: 32px;
}
.logo svg { display: block; }
.nav {
  display: flex;
  gap: 36px;
  flex: 1;
  justify-content: center;
}
.nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gris);
  letter-spacing: 0.3px;
  position: relative;
  padding: 4px 0;
  transition: color 0.2s;
}
.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--amarillo);
  transition: width 0.3s;
}
.nav a:hover { color: var(--azul); }
.nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 24px; }
.lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--gris-medio);
}
.lang-switch button {
  font-size: 12px;
  font-weight: 500;
  color: var(--gris-medio);
  letter-spacing: 0.5px;
  transition: color 0.2s;
}
.lang-switch button.active { color: var(--azul); font-weight: 600; }
.lang-switch button:hover { color: var(--azul); }

.btn-private {
  border: 1px solid var(--azul);
  color: var(--azul);
  font-size: 13px;
  font-weight: 500;
  padding: 10px 22px;
  letter-spacing: 0.5px;
  transition: all 0.25s;
}
.btn-private:hover { background: var(--azul); color: var(--crema); }

.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.menu-toggle span { width: 24px; height: 2px; background: var(--azul); transition: all 0.3s; }

/* === HERO === */
.hero {
  position: relative;
  padding: 120px 0 100px;
  background: linear-gradient(180deg, #f7f5f0 0%, #f0ede5 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(232, 200, 74, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { max-width: 780px; position: relative; }
.hero-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--amarillo-dark);
  margin-bottom: 28px;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 500;
  line-height: 1.08;
  color: var(--azul);
  letter-spacing: -1px;
  margin-bottom: 32px;
}
.hero-sub {
  font-size: 19px;
  line-height: 1.7;
  color: var(--gris);
  max-width: 620px;
  margin-bottom: 44px;
}
.hero-cta { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.btn-primary {
  background: var(--azul);
  color: var(--crema);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.8px;
  padding: 18px 36px;
  border: 1px solid var(--azul);
  transition: all 0.25s;
  display: inline-block;
}
.btn-primary:hover {
  background: var(--azul-dark);
  border-color: var(--azul-dark);
  transform: translateY(-1px);
}
.btn-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--azul);
  letter-spacing: 0.5px;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.2s;
}
.btn-link:hover { border-bottom-color: var(--amarillo); }

.hero-divider {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gris-claro), transparent);
}

/* === PILLARS === */
.pillars {
  padding: 100px 0;
  background: var(--blanco);
}
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px;
}
.pillar { padding-right: 20px; }
.pillar-num {
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 500;
  color: var(--amarillo-dark);
  line-height: 1;
  margin-bottom: 20px;
}
.pillar h3 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--azul);
  margin-bottom: 16px;
  line-height: 1.3;
}
.pillar p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--gris-medio);
}

/* === SERVICES === */
.services {
  padding: 80px 0;
  background: var(--crema);
}
.services .container { max-width: 1480px; }
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px;
}
.eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--amarillo-dark);
  margin-bottom: 20px;
}
.section-head h2 {
  font-family: var(--serif);
  font-size: clamp(36px, 4.5vw, 52px);
  font-weight: 500;
  color: var(--azul);
  letter-spacing: -0.5px;
  margin-bottom: 24px;
  line-height: 1.15;
}
.section-sub {
  font-size: 17px;
  line-height: 1.7;
  color: var(--gris-medio);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--blanco);
  padding: 32px 28px;
  border: 1px solid var(--gris-claro);
  position: relative;
  transition: all 0.3s;
}
.service-card:hover {
  border-color: var(--amarillo);
  transform: translateY(-3px);
  box-shadow: 0 20px 50px rgba(30, 58, 95, 0.08);
}
.service-num {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--amarillo-dark);
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.service-card h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--azul);
  line-height: 1.25;
  margin-bottom: 14px;
}
.service-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--gris-medio);
  margin-bottom: 18px;
}
.service-card ul {
  list-style: none;
  border-top: 1px solid var(--gris-claro);
  padding-top: 16px;
}
.service-card li {
  font-size: 13px;
  color: var(--gris);
  padding: 4px 0 4px 18px;
  position: relative;
}
.service-card li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--amarillo-dark);
  font-weight: 600;
}

/* === FIRMA === */
.firma {
  padding: 120px 0;
  background: var(--blanco);
}
.firma-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 100px;
  align-items: start;
}
.firma-text h2 {
  font-family: var(--serif);
  font-size: clamp(36px, 4.5vw, 52px);
  font-weight: 500;
  color: var(--azul);
  letter-spacing: -0.5px;
  line-height: 1.15;
  margin-bottom: 36px;
}
.firma-text p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gris-medio);
  margin-bottom: 22px;
}
.firma-stats {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding-left: 40px;
  border-left: 1px solid var(--gris-claro);
}
.stat {}
.stat-num {
  font-family: var(--serif);
  font-size: 56px;
  font-weight: 600;
  color: var(--azul);
  line-height: 1;
  margin-bottom: 12px;
}
.stat p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--gris-medio);
}

/* === MÉTODO === */
.metodo {
  padding: 120px 0;
  background: var(--azul);
  color: var(--crema);
}
.metodo .eyebrow { color: var(--amarillo); }                         /* Metodo fondo azul → amarillo claro va bien */
.metodo h2 { color: var(--crema); }
.metodo .section-head { margin-bottom: 70px; }

.metodo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.metodo-step {}
.step-num {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 600;
  color: var(--amarillo);
  letter-spacing: 2px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(232, 200, 74, 0.3);
  margin-bottom: 24px;
}
.metodo-step h3 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 14px;
}
.metodo-step p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 245, 240, 0.9);
}

/* === PORTFOLIO === */
.portfolio {
  padding: 120px 0;
  background: var(--blanco);
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.portfolio-card {
  background: var(--crema);
  border: 1px solid var(--gris-claro);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s;
}
.portfolio-card:hover {
  border-color: var(--amarillo);
  transform: translateY(-3px);
  box-shadow: 0 20px 50px rgba(30, 58, 95, 0.08);
}
.portfolio-media {
  aspect-ratio: 16 / 10;
  background: var(--azul-dark);
  overflow: hidden;
}
.portfolio-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.portfolio-card:hover .portfolio-media img {
  transform: scale(1.04);
}
.portfolio-body {
  padding: 36px 36px 40px;
}
.portfolio-sector {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--amarillo-dark);
  margin-bottom: 14px;
}
.portfolio-body h3 {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--azul);
  line-height: 1.25;
  margin-bottom: 16px;
}
.portfolio-body p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--gris-medio);
  margin-bottom: 20px;
}
.portfolio-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
  padding: 0;
}
.portfolio-tags li {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--azul);
  background: var(--gris-claro);
  padding: 5px 11px;
  border-radius: 2px;
  font-family: var(--sans, system-ui, sans-serif);
  font-weight: 500;
}
.portfolio-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--azul);
  text-decoration: none;
  border-bottom: 1px solid var(--amarillo);
  padding-bottom: 2px;
  transition: all 0.2s;
}
.portfolio-link:hover {
  color: var(--amarillo-dark);
}
.portfolio-card-placeholder {
  background: transparent;
  border: 1px dashed var(--gris-claro);
}
.portfolio-card-placeholder .portfolio-body {
  padding: 48px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}
.portfolio-card-placeholder:hover {
  border-color: var(--amarillo);
  transform: none;
  box-shadow: none;
}

@media (max-width: 860px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}

/* === QUOTE === */
.quote {
  padding: 100px 0;
  background: var(--crema);
  text-align: center;
}
.quote blockquote {
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 400;
  font-style: italic;
  color: var(--azul);
  line-height: 1.4;
  max-width: 880px;
  margin: 0 auto 24px;
  letter-spacing: -0.3px;
}
.quote cite {
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--gris-medio);
  font-style: normal;
}

/* === CONTACT === */
.contact {
  padding: 120px 0;
  background: var(--blanco);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: start;
}
.contact-text h2 {
  font-family: var(--serif);
  font-size: clamp(40px, 5vw, 60px);
  font-weight: 500;
  color: var(--azul);
  letter-spacing: -0.5px;
  margin-bottom: 24px;
}
.contact-text > p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--gris-medio);
  margin-bottom: 44px;
  max-width: 440px;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.contact-info .label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--amarillo-dark);
  margin-bottom: 6px;
  text-transform: uppercase;
}
.contact-info a, .contact-info p {
  font-size: 17px;
  color: var(--azul);
  font-weight: 500;
}
.contact-info a:hover { color: var(--amarillo-dark); }

.contact-form {
  background: var(--crema);
  padding: 48px 44px;
  border: 1px solid var(--gris-claro);
}
.field { margin-bottom: 22px; }
.field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--gris);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.field input, .field textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--gris-claro);
  padding: 10px 0;
  font-family: inherit;
  font-size: 15px;
  color: var(--gris);
  transition: border-color 0.2s;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-bottom-color: var(--azul);
}
.contact-form .btn-primary {
  width: 100%;
  margin-top: 12px;
}
.form-legal {
  font-size: 11px;
  color: var(--gris-medio);
  line-height: 1.6;
  margin-top: 18px;
}

/* === FOOTER === */
.footer {
  background: var(--azul);
  color: var(--crema);
  padding: 80px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 245, 240, 0.88);
  max-width: 320px;
  margin-top: 20px;
}
.footer-col h3,
.footer-col h4 {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--amarillo);
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

/* Accesibilidad: oculto visualmente pero visible para lectores de pantalla */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(247, 245, 240, 0.88);
  padding: 5px 0;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--crema); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid rgba(247, 245, 240, 0.1);
  font-size: 12px;
  color: rgba(247, 245, 240, 0.85);
}

/* === MODAL === */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.modal.active { display: flex; }
.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(20, 41, 68, 0.6);
  backdrop-filter: blur(6px);
}
.modal-box {
  position: relative;
  background: var(--blanco);
  padding: 56px 48px 48px;
  width: 100%;
  max-width: 440px;
  margin: 20px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 28px;
  color: var(--gris-medio);
  line-height: 1;
  transition: color 0.2s;
}
.modal-close:hover { color: var(--azul); }
.modal-logo { text-align: center; margin-bottom: 24px; }
.modal-logo svg { margin: 0 auto; }
.modal-box h3 {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--azul);
  text-align: center;
  margin-bottom: 8px;
}
.modal-sub {
  text-align: center;
  font-size: 14px;
  color: var(--gris-medio);
  margin-bottom: 32px;
}
.modal-box .btn-primary { width: 100%; margin-top: 8px; }
.login-error {
  display: none;
  font-size: 13px;
  color: #b3261e;
  margin-top: 16px;
  padding: 10px 14px;
  background: rgba(179, 38, 30, 0.06);
  border-left: 2px solid #b3261e;
}
.login-meta {
  text-align: center;
  font-size: 11px;
  color: var(--gris-medio);
  margin-top: 20px;
  letter-spacing: 0.5px;
}

/* === RESPONSIVE === */

/* Servicios: 4 cols en desktop ancho, 2 cols en pantallas medianas */
@media (max-width: 1280px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .service-card { padding: 40px 36px; }
  .service-card h3 { font-size: 24px; }
  .service-card p { font-size: 15px; }
}

@media (max-width: 980px) {
  .nav, .header-actions { display: none; }
  .menu-toggle { display: flex; }
  .pillars-grid, .services-grid, .firma-grid, .contact-grid, .metodo-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .firma-stats { padding-left: 0; border-left: none; border-top: 1px solid var(--gris-claro); padding-top: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .hero { padding: 80px 0 70px; }
  .pillars, .services, .firma, .metodo, .contact { padding: 80px 0; }
  .service-card, .contact-form { padding: 36px 28px; }
}
@media (max-width: 580px) {
  .container { padding: 0 22px; }
  .footer-grid { grid-template-columns: 1fr; }
  .metodo-grid { gap: 36px; }
}