/* ============================================================
   CONTORNO / PARALELO — style.css v6
   Despacho de Arquitectura e Interiorismo · Mérida, Yucatán
   Paleta: Negro carbón · Blanco roto · Arena · Cobre mate
   Tipografía: Montserrat (headings) · system-serif (body quotes)
   ============================================================ */

/* ── TOKENS ─────────────────────────────────────────────── */
:root {
  /* Paleta */
  --negro:      #0f0f0f;
  --carbon:     #1a1a1a;
  --grafito:    #2c2c2c;
  --humo:       #4a4a4a;
  --arena:      #b8a898;
  --cobre:      #a0744a;
  --cobre-luz:  #c49060;
  --blanco:     #ffffff;
  --crema:      #f5f0eb;
  --crema-2:    #ede7df;

  /* Tipografía */
  --font-sans:   'Montserrat', system-ui, sans-serif;
  --font-serif:  Georgia, 'Times New Roman', serif;

  /* Escala */
  --t-xs:   0.75rem;
  --t-sm:   0.875rem;
  --t-base: 1rem;
  --t-lg:   1.125rem;
  --t-xl:   1.375rem;
  --t-2xl:  1.75rem;
  --t-3xl:  2.5rem;
  --t-4xl:  3.5rem;
  --t-5xl:  5rem;

  /* Espacios */
  --sp-xs:  0.5rem;
  --sp-sm:  1rem;
  --sp-md:  2rem;
  --sp-lg:  4rem;
  --sp-xl:  7rem;

  /* Efectos */
  --radius:  2px;
  --trans:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow:  0 4px 32px rgba(0,0,0,0.18);
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--negro);
  color: var(--crema);
  line-height: 1.65;
  overflow-x: hidden;
}

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

/* ── UTILIDADES ──────────────────────────────────────────── */
.container       { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 var(--sp-md); }
.text-center     { text-align: center; }
.mt-4            { margin-top: var(--sp-md); }

/* ── SECCIONES BASE ──────────────────────────────────────── */
.section {
  padding: var(--sp-xl) 0;
}

.section-dark {
  background: var(--carbon);
}

.section-light {
  background: var(--crema);
  color: var(--negro);
}

/* ── LÍNEA FIRMA — el elemento único de la marca ─────────── */
/* Una línea diagonal cobre en ciertos bloques evoca el trazo
   técnico de un plano, y es la firma visual de Contorno/Paralelo */
.section-title {
  font-size: var(--t-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--sp-lg);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 3rem;
  height: 3px;
  background: var(--cobre);
  margin-top: 1rem;
}

.text-center .section-title::after {
  margin-left: auto;
  margin-right: auto;
}

/* ── NAVBAR ──────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background var(--trans), padding var(--trans), backdrop-filter var(--trans);
}

.navbar.scrolled {
  background: rgba(15, 15, 15, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(160, 116, 74, 0.2);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--sp-md);
}

.site-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transition: opacity var(--trans);
}

.site-logo:hover { opacity: 0.75; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links a {
  font-size: var(--t-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(245,240,235,0.75);
  transition: color var(--trans);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--cobre);
  transition: width var(--trans);
}

.nav-links a:hover         { color: var(--crema); }
.nav-links a:hover::after  { width: 100%; }

/* ── BOTONES ─────────────────────────────────────────────── */
.btn-primary {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: var(--cobre);
  color: var(--blanco);
  font-family: var(--font-sans);
  font-size: var(--t-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--trans), transform var(--trans), box-shadow var(--trans);
}

.btn-primary:hover {
  background: var(--cobre-luz);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(160,116,74,0.35);
}

.btn-secondary {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: transparent;
  color: var(--crema);
  font-family: var(--font-sans);
  font-size: var(--t-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid rgba(245,240,235,0.35);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color var(--trans), color var(--trans);
}

.btn-secondary:hover {
  border-color: var(--cobre);
  color: var(--cobre);
}

.btn-large {
  padding: 1rem 2.5rem;
  font-size: var(--t-sm);
}

/* ── HAMBURGER ───────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger .line {
  width: 26px;
  height: 1.5px;
  background: var(--crema);
  transition: transform var(--trans), opacity var(--trans);
}

.hamburger.active .line:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.active .line:nth-child(2) { opacity: 0; }
.hamburger.active .line:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── HERO ────────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--sp-xl);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  object-position: center 30%;
  transition: transform 8s ease-out;
}

.hero:hover .hero-bg img {
  transform: scale(1.04);
}

.overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(15,15,15,0.92) 0%,
    rgba(15,15,15,0.55) 50%,
    rgba(15,15,15,0.2) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--sp-md);
  width: 100%;
}

.hero-content h1 {
  font-size: clamp(var(--t-3xl), 6.5vw, var(--t-5xl));
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.035em;
  margin-bottom: var(--sp-sm);
  color: var(--blanco);
  max-width: 14ch;
}

.hero-content h1 span {
  color: var(--cobre);
  font-style: italic;
  font-weight: 300;
}

.hero-content p {
  font-size: var(--t-lg);
  color: rgba(245,240,235,0.7);
  font-weight: 300;
  letter-spacing: 0.04em;
  margin-bottom: var(--sp-md);
  max-width: 38ch;
}

/* Línea de ubicación debajo del hero */
.hero-meta {
  position: absolute;
  bottom: 2rem;
  right: var(--sp-md);
  z-index: 2;
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245,240,235,0.4);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

/* ── PORTAFOLIO ──────────────────────────────────────────── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 340px 340px;
  gap: 3px;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

/* Efecto mosaico: primer item grande */
.portfolio-item:first-child {
  grid-row: span 2;
}

.portfolio-item img {
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-item:hover img {
  transform: scale(1.07);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,15,15,0.88) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity var(--trans);
}

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

.portfolio-overlay h3 {
  font-size: var(--t-xl);
  font-weight: 700;
  color: var(--blanco);
  margin-bottom: 0.25rem;
}

.portfolio-overlay p {
  font-size: var(--t-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cobre);
}

/* ── NOSOTROS ────────────────────────────────────────────── */
.about-container {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--sp-xl);
  align-items: center;
}

.about-text .section-title { margin-bottom: var(--sp-md); }

.about-quote {
  font-family: var(--font-serif);
  font-size: var(--t-xl);
  font-style: italic;
  color: var(--crema);
  line-height: 1.5;
  margin-bottom: var(--sp-md);
  padding-left: var(--sp-md);
  border-left: 2px solid var(--cobre);
}

.about-text p {
  font-size: var(--t-base);
  color: rgba(245,240,235,0.65);
  line-height: 1.8;
  margin-bottom: var(--sp-sm);
}

.about-image {
  position: relative;
}

.about-logo {
  width: 100%;
  max-width: 280px;
  height: auto;
  object-fit: contain;
  margin: 0 auto;
  filter: brightness(0) invert(1);
  opacity: 0.12;
}

/* Socios */
.founders {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-sm);
  margin-top: var(--sp-lg);
}

.founder-card {
  padding: var(--sp-md);
  border: 1px solid rgba(160,116,74,0.2);
  border-radius: var(--radius);
}

.founder-card .role {
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cobre);
  margin-bottom: 0.25rem;
}

.founder-card .name {
  font-size: var(--t-lg);
  font-weight: 700;
  color: var(--crema);
}

/* ── PROCESO (3 etapas del documento COPAPROCESO) ────────── */
.process-section {
  background: var(--negro);
  padding: var(--sp-xl) 0;
  border-top: 1px solid rgba(160,116,74,0.15);
  border-bottom: 1px solid rgba(160,116,74,0.15);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(160,116,74,0.15);
  margin-top: var(--sp-lg);
}

.process-step {
  background: var(--negro);
  padding: var(--sp-lg) var(--sp-md);
  position: relative;
}

.process-number {
  font-size: clamp(4rem, 8vw, 6rem);
  font-weight: 800;
  line-height: 1;
  color: rgba(160,116,74,0.12);
  letter-spacing: -0.04em;
  margin-bottom: var(--sp-sm);
}

.process-step h3 {
  font-size: var(--t-xl);
  font-weight: 700;
  color: var(--crema);
  margin-bottom: var(--sp-sm);
}

.process-step p {
  font-size: var(--t-sm);
  color: rgba(245,240,235,0.55);
  line-height: 1.8;
}

.process-step ul {
  margin-top: var(--sp-sm);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.process-step ul li {
  font-size: var(--t-xs);
  color: rgba(245,240,235,0.5);
  letter-spacing: 0.04em;
  padding-left: 1rem;
  position: relative;
}

.process-step ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--cobre);
  font-size: 0.6rem;
  top: 0.3em;
}

/* ── SERVICIOS ───────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
}

.service-card {
  padding: var(--sp-lg) var(--sp-md);
  border: 1px solid rgba(245,240,235,0.08);
  border-radius: var(--radius);
  transition: border-color var(--trans), transform var(--trans);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--cobre);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--trans);
}

.service-card:hover { border-color: rgba(160,116,74,0.3); transform: translateY(-4px); }
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  font-size: 2rem;
  margin-bottom: var(--sp-sm);
}

.service-card h3 {
  font-size: var(--t-xl);
  font-weight: 700;
  margin-bottom: var(--sp-sm);
  color: var(--crema);
}

.service-card p {
  font-size: var(--t-sm);
  color: rgba(245,240,235,0.55);
  line-height: 1.8;
}

/* Sección light: testimonios */
.section-light .service-card {
  background: var(--crema-2);
  border-color: transparent;
  color: var(--negro);
}

.section-light .service-card h4 {
  font-size: var(--t-sm);
  font-weight: 700;
  color: var(--cobre);
  margin-top: var(--sp-sm);
}

.section-light .service-card p { color: var(--grafito); }
.section-light .service-card:hover { border-color: rgba(160,116,74,0.3); }

/* ── CONTACTO / QUIZ ─────────────────────────────────────── */
#contact {
  background: var(--carbon);
}

.contact-intro {
  max-width: 560px;
  margin: 0 auto var(--sp-lg);
  text-align: center;
}

.contact-intro p {
  font-size: var(--t-lg);
  color: rgba(245,240,235,0.6);
  line-height: 1.7;
}

/* Quiz / Wishlist */
.quiz-container {
  max-width: 780px;
  margin: 0 auto;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(160,116,74,0.2);
  border-radius: 4px;
  padding: var(--sp-lg);
}

.quiz-progress {
  display: flex;
  gap: 4px;
  margin-bottom: var(--sp-lg);
}

.quiz-progress-bar {
  height: 2px;
  flex: 1;
  background: rgba(255,255,255,0.1);
  border-radius: 1px;
  transition: background var(--trans);
}

.quiz-progress-bar.active { background: var(--cobre); }

.quiz-step {
  display: none;
  animation: fadeUp 0.4s ease both;
}

.quiz-step.active { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.quiz-step-number {
  font-size: var(--t-5xl);
  font-weight: 800;
  color: rgba(160,116,74,0.15);
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.04em;
}

.quiz-step h3 {
  font-size: var(--t-2xl);
  font-weight: 700;
  color: var(--crema);
  margin-bottom: 0.5rem;
}

.quiz-step-desc {
  font-size: var(--t-sm);
  color: rgba(245,240,235,0.5);
  margin-bottom: var(--sp-lg);
  line-height: 1.7;
}

/* Opciones de selección */
.quiz-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-sm);
  margin-bottom: var(--sp-lg);
}

.quiz-option {
  padding: var(--sp-sm) var(--sp-md);
  border: 1px solid rgba(245,240,235,0.12);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color var(--trans), background var(--trans);
  font-size: var(--t-sm);
  color: rgba(245,240,235,0.7);
  text-align: center;
}

.quiz-option:hover,
.quiz-option.selected {
  border-color: var(--cobre);
  background: rgba(160,116,74,0.1);
  color: var(--crema);
}

/* Prioridades */
.priority-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-lg);
}

.priority-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem var(--sp-md);
  border: 1px solid rgba(245,240,235,0.1);
  border-radius: var(--radius);
}

.priority-label {
  font-size: var(--t-sm);
  color: rgba(245,240,235,0.65);
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: block;
}

.priority-buttons {
  display: flex;
  gap: 6px;
}

.prio-btn {
  width: 32px;
  height: 32px;
  border: 1px solid rgba(245,240,235,0.15);
  border-radius: 2px;
  background: transparent;
  color: rgba(245,240,235,0.5);
  font-size: var(--t-sm);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--trans);
  font-family: var(--font-sans);
}

.prio-btn:hover,
.prio-btn.active { background: var(--cobre); border-color: var(--cobre); color: var(--blanco); }

/* Equipos especiales */
.equip-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-sm);
  margin-bottom: var(--sp-sm);
}

.equip-card {
  cursor: pointer;
  border: 1px solid rgba(245,240,235,0.1);
  border-radius: var(--radius);
  transition: border-color var(--trans), background var(--trans);
}

.equip-card input { display: none; }

.equip-content {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: var(--sp-sm) var(--sp-md);
  font-size: var(--t-sm);
  color: rgba(245,240,235,0.65);
}

.equip-icon { font-size: 1.5rem; }

.equip-card:has(input:checked) {
  border-color: var(--cobre);
  background: rgba(160,116,74,0.1);
}

.equip-otros { margin-top: var(--sp-sm); }

/* Anti-wishlist */
.anti-wishlist-intro {
  padding: var(--sp-sm) var(--sp-md);
  border-left: 2px solid var(--cobre);
  margin-bottom: var(--sp-md);
}

.anti-wishlist-intro p {
  font-size: var(--t-sm);
  color: rgba(245,240,235,0.6);
  font-style: italic;
}

.anti-wishlist-fields { display: flex; flex-direction: column; gap: var(--sp-md); }

.anti-field { display: flex; flex-direction: column; gap: 0.5rem; }

/* Inputs y textareas */
.quiz-text-input,
.quiz-textarea,
input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  width: 100%;
  padding: 0.875rem var(--sp-sm);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(245,240,235,0.12);
  border-radius: var(--radius);
  color: var(--crema);
  font-family: var(--font-sans);
  font-size: var(--t-sm);
  resize: vertical;
  transition: border-color var(--trans);
}

.quiz-text-input:focus,
.quiz-textarea:focus,
input:focus,
textarea:focus {
  outline: none;
  border-color: var(--cobre);
  background: rgba(160,116,74,0.06);
}

.quiz-textarea { min-height: 100px; }

/* Resumen final */
.quiz-summary {
  background: rgba(160,116,74,0.08);
  border: 1px solid rgba(160,116,74,0.25);
  border-radius: var(--radius);
  padding: var(--sp-md);
  margin-bottom: var(--sp-md);
  font-size: var(--t-sm);
  color: rgba(245,240,235,0.7);
  line-height: 1.8;
}

.calendar-embed { margin-top: 0; }

/* ── FOOTER ──────────────────────────────────────────────── */
.footer {
  background: var(--negro);
  border-top: 1px solid rgba(160,116,74,0.2);
  padding-top: var(--sp-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-lg);
  padding-bottom: var(--sp-lg);
}

.footer-site-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.6;
  margin-bottom: 1rem;
}

.footer-contact p,
.footer-links a,
.footer-social a {
  font-size: var(--t-sm);
  color: rgba(245,240,235,0.45);
  transition: color var(--trans);
  display: block;
  margin-bottom: 0.5rem;
}

.footer-links a:hover,
.footer-social a:hover { color: var(--cobre); }

.footer-content h4 {
  font-size: var(--t-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(245,240,235,0.3);
  margin-bottom: var(--sp-sm);
  font-weight: 600;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: var(--sp-sm) 0;
  text-align: center;
}

.footer-bottom p {
  font-size: var(--t-xs);
  color: rgba(245,240,235,0.2);
  letter-spacing: 0.08em;
}

/* ── MODAL ───────────────────────────────────────────────── */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(15,15,15,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  padding: var(--sp-md);
}

.modal.open { display: flex; }

.modal-content {
  background: var(--carbon);
  border: 1px solid rgba(160,116,74,0.2);
  border-radius: 4px;
  max-width: 960px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: fadeUp 0.3s ease both;
}

.close-modal {
  position: absolute;
  top: var(--sp-sm);
  right: var(--sp-sm);
  font-size: 1.5rem;
  color: rgba(245,240,235,0.4);
  cursor: pointer;
  z-index: 10;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: color var(--trans), background var(--trans);
}

.close-modal:hover { color: var(--crema); background: rgba(255,255,255,0.05); }

.modal-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
}

.modal-gallery {
  position: relative;
  height: 520px;
  overflow: hidden;
}

.modal-gallery #modal-main-img { height: 100%; object-fit: cover; }

.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(15,15,15,0.7);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--crema);
  width: 44px;
  height: 44px;
  border-radius: 2px;
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--trans);
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-nav:hover { background: rgba(160,116,74,0.7); }
.gallery-nav.prev  { left: var(--sp-sm); }
.gallery-nav.next  { right: var(--sp-sm); }

.modal-thumbnails {
  position: absolute;
  bottom: var(--sp-sm);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
}

.modal-thumbnails img {
  width: 56px;
  height: 40px;
  object-fit: cover;
  border: 2px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--trans), border-color var(--trans);
}

.modal-thumbnails img.active,
.modal-thumbnails img:hover { opacity: 1; border-color: var(--cobre); }

.modal-info {
  padding: var(--sp-lg) var(--sp-md);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.modal-info h2 {
  font-size: var(--t-2xl);
  font-weight: 800;
  color: var(--crema);
  margin-bottom: 0.5rem;
}

.modal-info h4 {
  font-size: var(--t-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cobre);
  margin-bottom: var(--sp-md);
}

.modal-info p {
  font-size: var(--t-sm);
  color: rgba(245,240,235,0.6);
  line-height: 1.8;
}

/* ── MOBILE MENU ─────────────────────────────────────────── */
@media (max-width: 860px) {
  .hamburger { display: flex; }

  .nav-links {
    position: fixed;
    inset: 0;
    top: 0;
    background: rgba(15,15,15,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
  }

  .nav-links.open { transform: translateX(0); }

  .nav-links a {
    font-size: var(--t-2xl);
    letter-spacing: 0.06em;
    color: var(--crema);
  }

  .nav-links .btn-primary {
    font-size: var(--t-sm);
    padding: 0.875rem 2rem;
  }
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root { --sp-xl: 5rem; }
  .portfolio-grid { grid-template-rows: 280px 280px; }
  .footer-content { grid-template-columns: 1fr 1fr; gap: var(--sp-md); }
  .modal-grid { grid-template-columns: 1fr; }
  .modal-gallery { height: 300px; }
}

@media (max-width: 768px) {
  :root {
    --sp-xl: 4rem;
    --sp-lg: 3rem;
  }

  .section-title { font-size: var(--t-2xl); }

  .portfolio-grid {
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }

  .portfolio-item { height: 240px; }
  .portfolio-item:first-child { grid-row: auto; height: 300px; }
  .portfolio-overlay { opacity: 1; }

  .about-container  { grid-template-columns: 1fr; }
  .about-image      { display: none; }
  .founders         { grid-template-columns: 1fr; }

  .process-grid     { grid-template-columns: 1fr; }

  .services-grid    { grid-template-columns: 1fr; }

  .quiz-options     { grid-template-columns: 1fr; }
  .equip-grid       { grid-template-columns: 1fr; }

  .quiz-container   { padding: var(--sp-md); }

  .footer-content   { grid-template-columns: 1fr; }
  .hero-meta        { display: none; }
}

/* ── ACCESIBILIDAD ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .hero:hover .hero-bg img { transform: none; }
}

:focus-visible {
  outline: 2px solid var(--cobre);
  outline-offset: 3px;
}