/* =============================================
   THE BIG MAKERS — Estilos del Sitio
   CNG-ULTRA Standard • Coding Noose Group
   ============================================= */

@import url('./core-design.css');

/* ---------- Variables adicionales ---------- */
:root {
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  --transition: cubic-bezier(0.25, 0.1, 0.25, 1);
  --container-max: 980px;
  --nav-height: 52px;
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  overflow-x: hidden;
}

/* Selección de texto */
::selection { background: var(--tbm-brand-purple); color: #fff; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4, h5, h6 { font-weight: 600; letter-spacing: -0.02em; }
p { line-height: 1.6; }

ul, ol { list-style: none; }

/* ---------- NAV ---------- */
.nav-bar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(9, 9, 15, 0.88);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border-bottom: 1px solid rgba(124, 58, 237, 0.2);
}

.nav-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 0 24px;
  height: var(--nav-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.03em;
}

.nav-logo-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--tbm-brand-purple);
  display: inline-block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-muted);
  transition: color 0.2s var(--transition);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--color-text); }

.nav-cta {
  background: var(--tbm-brand-purple) !important;
  color: #fff !important;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-weight: 500 !important;
}

.nav-cta:hover { box-shadow: var(--tbm-purple-glow); opacity: 0.9; transform: translateY(-1px); }

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--tbm-brand-orange);
  color: #ffffff;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: #ea580c;
  transform: translateY(-1px);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--tbm-brand-orange);
  outline-offset: 3px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px; height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 20px; height: 1.5px;
  background: var(--color-text);
  transition: all 0.25s var(--transition);
  border-radius: 2px;
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-block: 120px 80px;
  background: linear-gradient(160deg, #1a0f2e 0%, #09090f 40%);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(9,9,15,0.88) 0%, rgba(26,15,46,0.75) 50%, rgba(9,9,15,0.9) 100%);
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 70% 40%, rgba(124, 58, 237, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 24px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (min-width: 768px) {
  .hero-content { grid-template-columns: 1fr 1fr; }
}

.hero-text {}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--tbm-brand-orange);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.hero-label::before {
  content: '';
  display: block;
  width: 20px; height: 1.5px;
  background: var(--tbm-brand-purple);
  border-radius: 2px;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 24px;
  color: #f5f5f7;
  text-shadow: 0 2px 40px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 400;
  color: rgba(245, 245, 247, 0.7);
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-image {
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* ---------- SECTIONS ---------- */
.section { padding-block: 100px; }
.section-warm { background: var(--tbm-surface-warm); }
.section-gray { background: var(--color-surface); }

.section-container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 24px;
}

.section-header { margin-bottom: 56px; }

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--tbm-brand-purple);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.section-subtitle {
  margin-top: 12px;
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 560px;
}

/* ---------- CAPACIDADES (HOME) ---------- */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.capability-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  padding: var(--space-l);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all 0.3s var(--transition);
}

.capability-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--tbm-purple-glow);
  border-color: rgba(124, 58, 237, 0.4);
}

.capability-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-m);
  background: rgba(124, 58, 237, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tbm-brand-purple-light);
}

.capability-icon svg { width: 24px; height: 24px; }

.capability-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
}

.capability-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ---------- PROCESO DE TRABAJO ---------- */
.workflow-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}

.step-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  padding: var(--space-l);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.3s var(--transition);
}

.step-card:hover { border-color: var(--tbm-brand-purple); }

.step-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--tbm-brand-purple);
  letter-spacing: -0.04em;
  line-height: 1;
}

.step-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.step-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ---------- APLICACIONES ---------- */
.applications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.application-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  padding: var(--space-l);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.3s var(--transition);
}

.application-card:hover {
  transform: translateY(-2px);
  border-color: rgba(124, 58, 237, 0.4);
}

.application-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-m);
  background: rgba(124, 58, 237, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tbm-brand-purple-light);
}

.application-icon svg { width: 20px; height: 20px; }

.application-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.application-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ---------- STATS ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.stat-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  transition: border-color 0.3s;
}
.stat-card:hover { border-color: var(--tbm-brand-purple); }

.stat-number {
  display: block;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ---------- SERVICIOS ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  padding: var(--space-l);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.3s var(--transition);
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--tbm-purple-glow);
  border-color: rgba(124, 58, 237, 0.4);
}

.service-img {
  aspect-ratio: 16/9;
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--color-surface);
}

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

.service-card h3 { font-size: 1.125rem; font-weight: 600; }
.service-card p  { font-size: 0.9375rem; color: var(--color-text-muted); line-height: 1.6; }

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

/* ---------- TABS DE PORTAFOLIO ---------- */
.portfolio-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s var(--transition);
}

.tab-btn:hover {
  border-color: var(--tbm-brand-purple);
  color: var(--color-text);
}

.tab-btn.active {
  background: var(--tbm-brand-purple);
  color: #fff;
  border-color: var(--tbm-brand-purple);
}

.tab-btn[aria-pressed="true"] {
  background: var(--tbm-brand-purple);
  color: #fff;
  border-color: var(--tbm-brand-purple);
}

/* ---------- FOCUS VISIBLE (accessibility) ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--tbm-brand-purple);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- NAV TOGGLE ANIMATED STATE ---------- */
.nav-toggle.is-active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.is-active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- TAB FOCUS ---------- */
.tab-btn:focus-visible {
  outline: 2px solid var(--tbm-brand-purple);
  outline-offset: 2px;
}

/* ---------- PORTFOLIO EMPTY STATE ---------- */
.portfolio-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px;
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* ---------- PORTFOLIO GRID ---------- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

@media (max-width: 900px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 580px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}

/* ---------- PROYECTOS / PORTFOLIO ---------- */
.project-card {
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all 0.3s var(--transition);
}

.project-card:hover { transform: translateY(-4px); box-shadow: var(--tbm-purple-glow); border-color: rgba(124,58,237,0.4); }

.project-card[data-hidden="true"] {
  display: none;
}

.project-thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-surface);
}

.project-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s var(--transition); }
.project-card:hover .project-thumb img { transform: scale(1.04); }

.project-body {
  padding: var(--space-l);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.project-client { font-size: 0.8125rem; color: var(--color-text-muted); }
.project-body h3 { font-size: 1.125rem; font-weight: 600; }
.project-body p  { font-size: 0.9375rem; color: var(--color-text-muted); line-height: 1.5; }

.project-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 4px;
}

/* ---------- NAV TOGGLE ---------- */

/* ---------- MEMBRESÍAS (LABORATORIO) ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  align-items: start;
}

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pricing-card.featured {
  background: linear-gradient(135deg, #1e1028 0%, #2d1a4a 100%);
  border-color: var(--tbm-brand-purple);
  box-shadow: var(--tbm-purple-glow);
  color: #fff;
}

.pricing-card.featured .pricing-price,
.pricing-card.featured h3,
.pricing-card.featured .pricing-benefit { color: #fff; }

.pricing-card.featured .pricing-benefit-icon { color: var(--tbm-brand-purple); }
.pricing-card.featured p { color: rgba(255,255,255,0.65); }

.pricing-plan-name { font-size: 0.8125rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--tbm-brand-purple); }
.pricing-card.featured .pricing-plan-name { color: var(--tbm-brand-purple); }

.pricing-card h3 { font-size: 1.25rem; font-weight: 700; }

.pricing-price {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--color-text);
  line-height: 1;
}

.pricing-price span { font-size: 1rem; font-weight: 400; color: var(--color-text-muted); }

.pricing-benefits { display: flex; flex-direction: column; gap: 10px; }

.pricing-benefit {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.pricing-benefit-icon { color: var(--tbm-brand-purple-light); flex-shrink: 0; margin-top: 1px; }

/* ---------- TIENDA ---------- */
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: #f5f5f7;
  border: 1.5px solid rgba(245, 245, 247, 0.25);
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn-outline:hover {
  border-color: var(--tbm-brand-orange);
  background: rgba(249, 115, 22, 0.1);
  color: var(--tbm-brand-orange);
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  overflow: hidden;
  transition: all 0.3s var(--transition);
}

.product-card:hover { transform: translateY(-3px); box-shadow: var(--tbm-purple-glow); border-color: rgba(124,58,237,0.4); }

.product-thumb {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--color-surface);
}

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

.product-body { padding: 20px; display: flex; flex-direction: column; gap: 8px; }
.product-body h3 { font-size: 1rem; font-weight: 600; }
.product-body p  { font-size: 0.875rem; color: var(--color-text-muted); line-height: 1.5; }

.product-price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-top: 4px;
}

/* ---------- BLOG ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.article-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  overflow: hidden;
  transition: all 0.3s var(--transition);
  display: flex;
  flex-direction: column;
}

.article-card:hover { transform: translateY(-3px); box-shadow: var(--tbm-purple-glow); border-color: rgba(124,58,237,0.4); }

.article-thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-surface);
}

.article-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s var(--transition); }
.article-card:hover .article-thumb img { transform: scale(1.04); }

.article-body { padding: var(--space-l); flex: 1; display: flex; flex-direction: column; gap: 10px; }
.article-body h3 { font-size: 1.0625rem; font-weight: 600; line-height: 1.4; }
.article-body p  { font-size: 0.9375rem; color: var(--color-text-muted); line-height: 1.6; flex: 1; }
.article-read-more { font-size: 0.875rem; font-weight: 500; color: var(--tbm-brand-purple-light); margin-top: 8px; }

/* ---------- INNOVACIÓN ---------- */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.impact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.3s;
}
.impact-card:hover { border-color: var(--tbm-brand-purple-light); }

.impact-number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--tbm-brand-purple-light);
  line-height: 1;
}

.impact-card h3 { font-size: 1.125rem; font-weight: 600; }
.impact-card p  { font-size: 0.9375rem; color: var(--color-text-muted); line-height: 1.6; }

/* ---------- PILARES (INNOVACIÓN) ---------- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.pillar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.3s var(--transition);
}

.pillar-card:hover { border-color: var(--tbm-brand-purple); }

.pillar-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-m);
  background: rgba(124, 58, 237, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tbm-brand-purple-light);
}

.pillar-icon svg { width: 26px; height: 26px; }

.pillar-content { display: flex; flex-direction: column; gap: 8px; }

.pillar-card h3 { font-size: 1.125rem; font-weight: 600; color: var(--color-text); }
.pillar-card p  { font-size: 0.9375rem; color: var(--color-text-muted); line-height: 1.6; }

/* ---------- CONTACTO / FORM ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 768px) {
  .contact-layout { grid-template-columns: 1fr 1.5fr; }
}

.contact-info { display: flex; flex-direction: column; gap: var(--space-l); }
.contact-info h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 700; letter-spacing: -0.03em; }
.contact-info p  { font-size: 1.0625rem; color: var(--color-text-muted); line-height: 1.7; }

.contact-details { display: flex; flex-direction: column; gap: 16px; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9375rem;
}

.contact-item-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-s);
  background: rgba(124, 58, 237, 0.1);
  color: var(--tbm-brand-purple);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-text strong { display: block; font-weight: 600; margin-bottom: 2px; }
.contact-item-text span  { color: var(--color-text-muted); }

/* Formulario */
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-l);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-main);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-m);
  padding: 10px 14px;
  width: 100%;
  transition: border-color 0.2s var(--transition), box-shadow 0.2s var(--transition);
  outline: none;
  color-scheme: dark;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--tbm-brand-purple);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
  background: var(--color-surface);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 480px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

/* ---------- CTA SECTION ---------- */
.cta-section {
  background: linear-gradient(160deg, #1a0f2e 0%, #09090f 100%);
  border-top: 1px solid rgba(124, 58, 237, 0.25);
  border-bottom: 1px solid rgba(124, 58, 237, 0.25);
  padding-block: var(--space-3xl);
  text-align: center;
}

.cta-section h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 36px;
  max-width: 480px;
  margin-inline: auto;
}

.cta-section .btn-primary { font-size: 1rem; }
.cta-section .btn-primary { background: var(--tbm-brand-purple); }

/* ---------- FOOTER ---------- */
.footer {
  background: #06050e;
  border-top: 1px solid rgba(124, 58, 237, 0.2);
  padding-block: 60px 32px;
  color: rgba(240, 238, 255, 0.65);
}

.footer-grid {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 24px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: 48px;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.footer-brand p { font-size: 0.875rem; line-height: 1.6; max-width: 240px; }

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col ul li a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s var(--transition);
}

.footer-col ul li a:hover { color: var(--tbm-brand-purple-light); }

.footer-bottom {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(124, 58, 237, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.6);
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- ANIMACIONES ---------- */
@media (prefers-reduced-motion: no-preference) {
  .capability-card,
  .service-card,
  .project-card,
  .product-card,
  .article-card,
  .pricing-card,
  .step-card,
  .application-card,
  .pillar-card {
    transition: transform 0.3s var(--transition), box-shadow 0.3s var(--transition), border-color 0.3s var(--transition);
  }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: rgba(9, 9, 15, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(124, 58, 237, 0.25);
    padding: 16px 24px 24px;
    flex-direction: column;
    gap: 4px;
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
  }
  .nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-links a { padding: 10px 0; font-size: 1rem; text-align: center; }
  .nav-links a.nav-cta { padding: 12px 24px; margin-top: 8px; display: inline-block; }
  .nav-toggle { display: flex; }

  .hero { padding-block: 100px 60px; }
  .section { padding-block: 80px; }
  .section-header { margin-bottom: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ---------- SKIP LINK (accesibilidad) ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 24px;
  background: var(--color-text);
  color: #fff;
  padding: 8px 16px;
  border-radius: 0 0 var(--radius-m) var(--radius-m);
  font-size: 0.875rem;
  font-weight: 500;
  z-index: 9999;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }