/* =========================================================
   ALLIANCE Desarrollo Empresarial — hoja de estilos principal
   ========================================================= */

:root {
  --color-navy: #0b2447;
  --color-navy-dark: #071a33;
  --color-blue: #1b4e8f;
  --color-blue-light: #eaf1fb;
  --color-teal: #1c9c8e;
  --color-teal-dark: #147a70;
  --color-ink: #1c2530;
  --color-slate: #4b5666;
  --color-line: #e1e6ec;
  --color-bg: #ffffff;
  --color-bg-alt: #f6f8fb;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 24px rgba(11, 36, 71, 0.08);
  --shadow-card-hover: 0 14px 32px rgba(11, 36, 71, 0.14);
  --max-width: 1180px;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.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;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-navy);
  color: #fff;
  padding: 10px 18px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus {
  left: 0;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  text-align: center;
  line-height: 1.2;
}
.btn:focus-visible {
  outline: 3px solid var(--color-teal);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--color-teal);
  color: #fff;
  box-shadow: 0 6px 18px rgba(28, 156, 142, 0.35);
}
.btn-primary:hover { background: var(--color-teal-dark); transform: translateY(-1px); }

.btn-secondary {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}
.btn-secondary:hover { background: var(--color-navy); color: #fff; }

.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn-outline-light:hover { background: #fff; color: var(--color-navy); }

.btn-small {
  padding: 10px 20px;
  font-size: 0.9rem;
}

.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(255,255,255,0.97);
  backdrop-filter: saturate(180%) blur(6px);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-logo {
  height: 48px;
  width: auto;
  flex-shrink: 0;
}

.brand-divider {
  width: 1px;
  height: 34px;
  background: var(--color-line);
  flex-shrink: 0;
}

.brand-text {
  display: inline-block;
  font-size: 0.86rem;
  color: var(--color-slate);
  font-weight: 600;
  line-height: 1.25;
  max-width: 11ch;
}

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

.main-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-ink);
  padding: 8px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--color-teal-dark);
  border-color: var(--color-teal);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--color-navy);
  border-radius: 8px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-navy);
  position: relative;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); top: 0; }
.nav-toggle[aria-expanded="true"] span::after { transform: rotate(-45deg); top: 0; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--color-navy) 0%, var(--color-blue) 100%);
  color: #fff;
  padding: 56px 0 64px;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(1.7rem, 4.2vw, 2.7rem);
  line-height: 1.22;
  margin: 0 0 18px;
  font-weight: 800;
  letter-spacing: -0.3px;
  overflow-wrap: break-word;
  hyphens: none;
}

.hero p {
  font-size: 1.08rem;
  color: #dbe7f6;
  margin: 0 0 30px;
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

/* ---------- Secciones genéricas ---------- */
section {
  padding: 72px 0;
}

.section-alt { background: var(--color-bg-alt); }

.section-head {
  max-width: 680px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-head.align-left {
  margin-left: 0;
  text-align: left;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--color-teal-dark);
  margin-bottom: 10px;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  color: var(--color-navy);
  margin: 0 0 14px;
  font-weight: 800;
  letter-spacing: -0.2px;
}

.section-head p {
  color: var(--color-slate);
  font-size: 1.02rem;
  margin: 0;
}

.section-note {
  text-align: center;
  color: var(--color-slate);
  font-size: 0.95rem;
  margin-top: 34px;
  font-style: italic;
}

/* ---------- Programa integral (flagship) ---------- */
.flagship-card {
  background: linear-gradient(160deg, var(--color-navy) 0%, var(--color-blue) 100%);
  border-radius: var(--radius);
  padding: 40px;
  color: #fff;
  margin-bottom: 8px;
}

.flagship-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.flagship-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(255,255,255,0.14);
  color: #7fd8cb;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.flagship-card h3 {
  color: #fff;
  font-size: 1.4rem;
  margin: 0 0 12px;
  font-weight: 800;
}

.flagship-card > .flagship-grid > div > p {
  color: #dbe7f6;
  font-size: 1rem;
  margin: 0 0 24px;
}

.flagship-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.flagship-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: #eaf1fb;
}
.flagship-list li i {
  color: var(--color-teal);
  margin-top: 3px;
  flex-shrink: 0;
}

/* ---------- Entregables (chips) ---------- */
.deliverables {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}
.deliverable-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--color-navy);
}
.deliverable-chip i { color: var(--color-teal-dark); }

/* ---------- Precisión de alcance ---------- */
.scope-note-section {
  padding: 0 0 8px;
  background: var(--color-bg-alt);
}
.scope-note {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
  color: var(--color-slate);
  font-size: 0.84rem;
  line-height: 1.6;
  padding: 0 24px 40px;
}

/* ---------- Tarjetas de soluciones ---------- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.solutions-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.solution-card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.solution-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }

.solution-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--color-blue-light);
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.solution-card h3 {
  font-size: 1.15rem;
  color: var(--color-navy);
  margin: 0 0 10px;
  font-weight: 750;
}

.solution-card > p {
  color: var(--color-slate);
  font-size: 0.96rem;
  margin: 0 0 16px;
  flex-grow: 1;
}

.solution-details {
  margin: 0 0 18px;
  border-top: 1px solid var(--color-line);
  padding-top: 14px;
}

.solution-details summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-teal-dark);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
}
.solution-details summary::-webkit-details-marker { display: none; }
.solution-details summary::after {
  content: '+';
  margin-left: auto;
  font-size: 1.1rem;
  font-weight: 700;
  transition: transform 0.2s ease;
}
.solution-details[open] summary::after { transform: rotate(45deg); }

.solution-details ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--color-slate);
  font-size: 0.9rem;
}
.solution-details li { margin-bottom: 6px; }

.solution-card .btn { margin-top: auto; }

/* ---------- Resultado / iconos ---------- */
.outcome-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.outcome-item {
  text-align: center;
  padding: 30px 20px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.outcome-item .outcome-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--color-blue-light);
  color: var(--color-teal-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.outcome-item h3 {
  font-size: 1.05rem;
  color: var(--color-navy);
  margin: 0;
  font-weight: 700;
}

.outcome-caption {
  text-align: center;
  max-width: 620px;
  margin: 0 auto;
  color: var(--color-slate);
  font-size: 1rem;
}

/* ---------- Método (timeline) ---------- */
.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}

.method-step {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--color-line);
  padding: 26px 20px;
  position: relative;
}

.method-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  font-weight: 800;
  margin-bottom: 16px;
  font-size: 1rem;
}

.method-step h3 {
  color: var(--color-navy);
  font-size: 1.05rem;
  margin: 0 0 8px;
  font-weight: 750;
}

.method-step p {
  color: var(--color-slate);
  font-size: 0.94rem;
  margin: 0;
}

/* ---------- Caso anónimo ---------- */
.case-section { background: var(--color-navy); color: #fff; }

.case-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.case-tag {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  color: #bfe4df;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.case-inner h2 { color: #fff; }

.case-text p {
  color: #dbe7f6;
  font-size: 1rem;
  margin: 0 0 16px;
}

.case-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.case-flow-step {
  display: flex;
  gap: 16px;
  padding-bottom: 28px;
  position: relative;
}
.case-flow-step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 17px;
  top: 38px;
  bottom: 0;
  width: 2px;
  background: rgba(255,255,255,0.25);
}

.case-flow-dot {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  color: #04231f;
}

.case-flow-content h4 {
  margin: 4px 0 6px;
  font-size: 1rem;
  color: #fff;
}
.case-flow-content p {
  margin: 0;
  color: #bcd0ea;
  font-size: 0.92rem;
}

.case-disclaimer {
  margin-top: 24px;
  font-size: 0.82rem;
  color: #9fb4d1;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 16px;
}

/* ---------- ALN módulo ---------- */
.aln-module {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 40px;
  display: grid;
  grid-template-columns: 140px 1fr auto;
  align-items: center;
  gap: 30px;
  box-shadow: var(--shadow-card);
}

.aln-module img {
  width: 100%;
  height: auto;
}

.aln-module-text h2 { margin-bottom: 10px; }
.aln-module-text p { color: var(--color-slate); margin: 0; }

/* ---------- Franja sectorial ---------- */
.sector-strip {
  background: var(--color-navy-dark);
  padding: 40px 0;
}

.sector-strip .section-head p,
.sector-strip h2 { color: #fff; }
.sector-strip .eyebrow { color: #7fd8cb; }

.sector-logos {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 32px;
  flex-wrap: wrap;
}

.sector-logo-card {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 14px 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 96px;
  width: 220px;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
a.sector-logo-card:hover {
  box-shadow: 0 10px 24px rgba(0,0,0,0.25);
  transform: translateY(-2px);
}

/* Cada logo tiene proporciones distintas; se fija una altura de
   referencia por marca para que el peso visual percibido sea similar,
   en vez de igualar el ancho de archivo. */
.sector-logo-card img {
  width: auto;
  object-fit: contain;
}

/* Energy Alliance: wordmark muy ancho y ligero; se reduce para no
   dominar visualmente frente a las otras dos marcas. */
.energy-logo-card img {
  height: 22px;
  max-width: 150px;
}

/* El logo de Oil & Gas Alliance está diseñado en blanco sobre fondo
   transparente (pensado para fondos oscuros); usamos un fondo oscuro
   compatible en vez de blanco para que el texto sea legible, y una
   altura mayor porque es un bloque de dos líneas más denso. */
.sector-logo-card.dark-logo-card {
  background: var(--color-navy);
}
.oilgas-logo-card img {
  height: 54px;
}

.sector-logo-card.placeholder {
  color: var(--color-navy);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 16px 22px;
}

/* Alliance Minería: logo oficial ALLIANCE + descriptor "Minería" debajo,
   sin duplicar la palabra ALLIANCE como texto plano. */
.sector-logo-stack {
  flex-direction: column;
  gap: 6px;
  padding: 14px 26px;
}
.sector-mining-logo {
  height: 26px;
  width: auto;
}
.sector-logo-caption {
  font-weight: 700;
  color: var(--color-navy);
  font-size: 0.82rem;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

/* ---------- Contacto ---------- */
.contact-section {
  background: var(--color-bg-alt);
}

.contact-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.contact-info h2 { margin-bottom: 14px; }
.contact-info p { color: var(--color-slate); margin: 0 0 20px; }

.contact-alt {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-top: 24px;
}
.contact-alt strong { color: var(--color-navy); display: block; margin-bottom: 6px; }
.contact-alt a { color: var(--color-teal-dark); font-weight: 600; }
.contact-alt a:hover { text-decoration: underline; }

.contact-form {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow-card);
}

.form-row {
  margin-bottom: 18px;
}

.form-row label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid #cfd7e2;
  font-family: inherit;
  font-size: 0.96rem;
  background: #fff;
  color: var(--color-ink);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(28,156,142,0.15);
}

.form-row-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.form-row-consent input { width: auto; margin-top: 4px; }
.form-row-consent label { font-weight: 400; font-size: 0.88rem; color: var(--color-slate); margin: 0; }
.form-row-consent a { color: var(--color-teal-dark); font-weight: 600; }

.form-msg {
  margin-top: 14px;
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: none;
}
.form-msg.show { display: block; }
.form-msg.success { background: #e5f7f0; color: #1c6b52; }
.form-msg.error { background: #fdeceb; color: #a13327; }

/* ---------- Ecosistema ---------- */
.ecosystem-section { background: #fff; }

.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 48px;
}

.ecosystem-brand {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border: 1px solid var(--color-line);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
  min-height: 138px;
}
.ecosystem-brand:hover { box-shadow: var(--shadow-card); transform: translateY(-2px); }

.ecosystem-brand img { height: 34px; width: auto; }
.ecosystem-brand .brand-fallback {
  font-weight: 800;
  color: var(--color-navy);
  font-size: 1rem;
}

/* Energy Alliance: wordmark muy ancho y ligero; se reduce para
   equilibrar su peso visual frente a las demás marcas. */
.ecosystem-brand.energy-logo-card img {
  height: 22px;
  max-width: 130px;
}

/* El logo de Oil & Gas Alliance está diseñado en blanco sobre fondo
   transparente; se necesita un soporte oscuro para que sea legible,
   y una altura mayor por ser un bloque de dos líneas. */
.ecosystem-brand.dark-logo-card {
  background: var(--color-navy);
  border-color: var(--color-navy);
}
.ecosystem-brand.dark-logo-card img {
  height: 50px;
}
.ecosystem-brand.dark-logo-card .tag { color: #a9bcd8; }
.ecosystem-brand span.tag {
  font-size: 0.78rem;
  color: var(--color-slate);
}

/* Alliance Minería: logo ALLIANCE + descriptor "Minería" debajo,
   sin duplicar la palabra ALLIANCE como texto plano. */
.ecosystem-brand .brand-descriptor {
  font-weight: 800;
  color: var(--color-navy);
  font-size: 0.78rem;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-top: -6px;
}

.directory-title {
  text-align: center;
  margin-bottom: 28px;
}

.directory-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  max-width: 980px;
  margin: 0 auto;
}

.directory-group {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.directory-group summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 22px;
  font-weight: 700;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1rem;
}
.directory-group summary::-webkit-details-marker { display: none; }
.directory-group summary::after {
  content: '\2193';
  font-size: 0.9rem;
  transition: transform 0.2s ease;
}
.directory-group[open] summary::after { transform: rotate(180deg); }

.directory-group ul {
  margin: 0;
  padding: 0 22px 20px;
  list-style: none;
}
.directory-group li {
  padding: 8px 0;
  border-top: 1px solid var(--color-line);
  font-size: 0.94rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.directory-group li a {
  color: var(--color-blue);
  font-weight: 600;
}
.directory-group li a:hover { text-decoration: underline; }
.directory-group li .muted {
  color: var(--color-slate);
  font-style: italic;
  font-size: 0.88rem;
}
.directory-group li .badge {
  font-size: 0.72rem;
  color: var(--color-teal-dark);
  background: #e5f7f0;
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}
.directory-group li .badge-closed {
  color: var(--color-slate);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-navy-dark);
  color: #cdd9ea;
  padding: 46px 0 24px;
  font-size: 0.9rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 30px;
}

.footer-brand-logo-wrap {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  margin-bottom: 16px;
}
.footer-brand-logo-wrap img {
  height: 30px;
  width: auto;
}
.footer-brand-divider {
  width: 1px;
  height: 24px;
  background: var(--color-line);
  flex-shrink: 0;
}
.footer-brand-text {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-slate);
  line-height: 1.2;
  max-width: 10ch;
}
.footer-brand p { color: #93a5c2; max-width: 34ch; }

.footer-col h4 {
  color: #fff;
  font-size: 0.92rem;
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: #b7c6dd; }
.footer-col a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: #7f92b1;
  font-size: 0.82rem;
}
.footer-bottom a { color: #a9bcd8; }
.footer-bottom a:hover { color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .flagship-grid { grid-template-columns: 1fr; gap: 28px; }
  .flagship-card { padding: 30px; }
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .outcome-grid { grid-template-columns: repeat(3, 1fr); }
  .ecosystem-grid { grid-template-columns: repeat(2, 1fr); }
  .directory-groups { grid-template-columns: 1fr; }
  .aln-module { grid-template-columns: 100px 1fr; }
  .aln-module .btn { grid-column: span 2; }
}

@media (max-width: 860px) {
  .main-nav { display: none; }
  .header-cta .btn-secondary-desktop { display: none; }
  .nav-toggle { display: flex; }

  .site-header.nav-open .main-nav {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 18px 24px 26px;
    border-bottom: 1px solid var(--color-line);
    gap: 4px;
    box-shadow: var(--shadow-card);
  }
  .site-header.nav-open .main-nav a {
    padding: 12px 4px;
    border-bottom: 1px solid var(--color-line);
    width: 100%;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .hero-media { order: 2; }
  .hero-text { order: 1; }

  .case-inner { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  section { padding: 52px 0; }
  .solutions-grid { grid-template-columns: 1fr; }
  .solutions-grid-3 { grid-template-columns: 1fr; }
  .flagship-card { padding: 24px; }
  .deliverables { gap: 8px; }
  .deliverable-chip { font-size: 0.8rem; padding: 8px 14px; }
  .method-grid { grid-template-columns: 1fr; }
  .outcome-grid { grid-template-columns: 1fr; }
  .ecosystem-grid { grid-template-columns: 1fr 1fr; }
  .aln-module { grid-template-columns: 1fr; text-align: center; }
  .aln-module img { margin: 0 auto; width: 100px; }
  .aln-module .btn { grid-column: auto; }
  .sector-logos { gap: 16px; }
  .sector-logo-card { width: calc(50% - 8px); height: 84px; }
  .sector-logo-stack { width: 100%; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .header-inner { padding: 12px 16px; }
  .brand { gap: 10px; }
  .brand-logo { height: 40px; }
  .brand-divider { height: 30px; }
  .brand-text {
    font-size: 0.72rem;
    max-width: 8ch;
    line-height: 1.25;
    white-space: normal;
  }
  .header-cta .btn { display: none; }
  .header-cta { gap: 0; }
}

@media (max-width: 400px) {
  .header-inner { padding: 10px 12px; gap: 8px; }
  .brand { gap: 8px; }
  .brand-logo { height: 36px; }
  .brand-divider { height: 26px; }
  .brand-text { font-size: 0.68rem; max-width: 7ch; }
}