/* =====================
   Variables
   ===================== */
:root {
  --azul-primario: #0a2b4c;
  --azul-claro: #1060aa;
  --naranja: #f28b30;
  --naranja-hover: #e17c24;
  --gris-fondo: #f5f7fb;
  --gris-borde: #e1e5f0;
  --texto: #222;
  --texto-suave: #666;
  --blanco: #ffffff;
}

/* =====================
   Reset & Base
   ===================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    sans-serif;
  color: var(--texto);
  background: var(--blanco);
  line-height: 1.6;
}

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

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* =====================
   Header
   ===================== */
.logo {
  height: 70px;
  position: relative;
  margin: 20px 0 20px 40px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--gris-borde);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 8%;
}

.header__logo {
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--azul-primario);
  letter-spacing: 0.05em;
}

.header__logo--accent {
  color: var(--naranja);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header__nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--texto-suave);
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition:
    color 0.2s,
    border-color 0.2s;
}

.header__nav-link:hover {
  color: var(--azul-claro);
  border-bottom-color: var(--azul-claro);
}

.header__nav-link--cta {
  padding: 8px 16px;
  border-radius: 99px;
  border: 1px solid var(--azul-claro);
  color: var(--azul-claro);
}

.header__nav-link--cta:hover {
  background: var(--azul-claro);
  color: var(--blanco);
  border-bottom-color: transparent;
}

/* =====================
   Hero
   ===================== */
.hero {
  padding: 80px 8% 70px;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.2fr);
  gap: 40px;
  align-items: center;
  background: radial-gradient(
    circle at top left,
    #e7f1ff,
    #f9fbff 55%,
    #ffffff 100%
  );
  border-bottom: 1px solid var(--gris-borde);
}

.hero__kicker {
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 0.75rem;
  color: var(--azul-claro);
  font-weight: 600;
  margin-bottom: 10px;
}

.hero__title {
  font-size: 2.6rem;
  line-height: 1.2;
  margin: 0 0 14px;
  color: var(--azul-primario);
}

.hero__title--accent {
  color: var(--naranja);
}

.hero__subtitle {
  font-size: 1.05rem;
  color: var(--texto-suave);
  max-width: 520px;
  margin-bottom: 20px;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 20px 0 25px;
}

.hero__stat {
  background: var(--blanco);
  border-radius: 14px;
  padding: 14px 18px;
  border: 1px solid var(--gris-borde);
  min-width: 150px;
}

.hero__stat-number {
  display: block;
  font-size: 1.2rem;
  color: var(--azul-claro);
}

.hero__stat-label {
  font-size: 0.8rem;
  color: var(--texto-suave);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

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

.hero__card {
  background: var(--blanco);
  border-radius: 20px;
  border: 1px solid var(--gris-borde);
  padding: 20px 22px;
  box-shadow: 0 12px 40px rgba(10, 43, 76, 0.08);
}

.hero__card-title {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--texto-suave);
  margin-bottom: 10px;
}

.hero__card-box {
  background: #f0f5ff;
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 0.9rem;
  color: var(--azul-primario);
  margin-bottom: 14px;
}

.hero__card-list {
  font-size: 0.88rem;
  color: var(--texto-suave);
}

.hero__card-item {
  margin-bottom: 6px;
  padding-left: 14px;
  position: relative;
}

.hero__card-item::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--naranja);
}

/* =====================
   Certificaciones
   ===================== */
.certs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 10px;
}

/* Tarjeta base */
.cert {
  border-radius: 10px;
  width: 150px;
  min-height: 130px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 14px 12px;
  transition:
    transform 0.25s,
    box-shadow 0.25s;
}

.cert:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
}

/* ---- AENOR ---- */
.cert--aenor {
  background: #111;
  color: var(--blanco);
  border: 2px solid #333;
}

.cert__brand {
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--blanco);
  border-bottom: 2px solid #444;
  padding-bottom: 6px;
  margin-bottom: 6px;
}

.cert__name {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #e5e7eb;
  line-height: 1.4;
  flex: 1;
}

.cert__iso {
  font-size: 0.98rem;
  font-weight: 700;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-top: 1px solid #333;
  padding-top: 6px;
  margin-top: 6px;
}

/* ---- NSC ---- */
.cert--nsc {
  background: #fff;
  border: 2px solid #c8e6a0;
  position: relative;
  align-items: center;
  justify-content: center;
  gap: 6px;
  overflow: hidden;
}

/* Cuatro puntos decorativos estilo NSC */
.cert__nsc-dots {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.cert__dot {
  position: absolute;
  width: 28px;
  height: 28px;
  border-radius: 5px;
  background: #6abf2e;
  opacity: 0.85;
}

.cert__dot--tl {
  top: 8px;
  left: 8px;
}
.cert__dot--tr {
  top: 8px;
  right: 8px;
  background: #4a9e1a;
}
.cert__dot--bl {
  bottom: 8px;
  left: 8px;
  background: #4a9e1a;
}
.cert__dot--br {
  bottom: 8px;
  right: 8px;
  background: #6abf2e;
}

.cert__nsc-logo {
  font-size: 2.4rem;
  font-weight: 900;
  color: #3a8c10;
  letter-spacing: -0.04em;
  line-height: 1;
  z-index: 1;
}

.cert__nsc-label {
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #5a9e30;
  text-align: center;
  z-index: 1;
}

/* Responsive */
@media (max-width: 600px) {
  .cert {
    width: 130px;
    min-height: 115px;
  }
}

/* =====================
   Botones
   ===================== */
.btn {
  display: inline-block;
  border-radius: 999px;
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition:
    background 0.2s,
    transform 0.2s;
  text-align: center;
}

.btn--primary {
  background: var(--naranja);
  color: var(--blanco);
}

.btn--primary:hover {
  background: var(--naranja-hover);
  transform: translateY(-2px);
}

.btn--outline {
  border: 1px solid var(--azul-claro);
  color: var(--azul-claro);
  background: transparent;
}

.btn--outline:hover {
  background: var(--azul-claro);
  color: var(--blanco);
}

/* =====================
   Secciones
   ===================== */
.section {
  padding: 70px 8%;
}

.section--light {
  background: var(--gris-fondo);
}

.section__title {
  text-align: center;
  font-size: 1.9rem;
  color: var(--azul-primario);
  margin: 0 0 10px;
  position: relative;
}

.section__title::after {
  content: "";
  display: block;
  width: 50px;
  height: 4px;
  background: var(--naranja);
  margin: 12px auto 0;
  border-radius: 2px;
}

.section__subtitle {
  text-align: center;
  color: var(--texto-suave);
  font-size: 0.95rem;
  max-width: 620px;
  margin: 0 auto 40px;
}

/* =====================
   Grid
   ===================== */
.grid {
  display: grid;
  gap: 26px;
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

/* =====================
   Cards
   ===================== */
.card {
  background: var(--blanco);
  border-radius: 18px;
  border: 1px solid var(--gris-borde);
  padding: 24px 22px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

.card__title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: var(--azul-primario);
}

.card__text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--texto-suave);
}

/* =====================
   CCTEI
   ===================== */
.cctei {
  border-radius: 22px;
  padding: 40px 36px;
  background: linear-gradient(135deg, #0a2b4c, #1060aa);
  color: var(--blanco);
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.1fr);
  gap: 30px;
  align-items: center;
}

.cctei__title {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

.cctei__text {
  margin: 0 0 14px;
  font-size: 0.9rem;
  opacity: 0.95;
}

.cctei__list {
  font-size: 0.88rem;
}

.cctei__list-item {
  margin-bottom: 6px;
  padding-left: 16px;
  position: relative;
}

.cctei__list-item::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--naranja);
}

/* =====================
   KPIs
   ===================== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.kpi {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 14px 12px;
  text-align: center;
}

.kpi__number {
  font-size: 1.4rem;
  font-weight: 700;
  display: block;
  color: var(--naranja);
}

.kpi__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.9;
}

/* =====================
   CTA Brochure
   ===================== */
.cta {
  text-align: center;
  padding: 60px 8%;
  background: #fff7f0;
  border-top: 1px solid #fde0ba;
  border-bottom: 1px solid #fde0ba;
}

.cta__title {
  margin: 0 0 8px;
  color: var(--azul-primario);
  font-size: 1.5rem;
}

.cta__text {
  margin: 0 0 20px;
  color: var(--texto-suave);
  font-size: 0.95rem;
}

/* =====================
   Redes Sociales
   ===================== */
.socials {
  text-align: center;
  padding: 70px 8%;
  background: var(--blanco);
}

.socials__title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--azul-primario);
  margin: 0 0 35px;
  letter-spacing: -0.02em;
}

.socials__links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 25px;
}

.socials__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  border: 2px solid var(--gris-borde);
  color: var(--azul-primario);
  background: var(--blanco);
  font-size: 1.8rem;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  text-decoration: none;
}

.socials__link:hover {
  color: var(--blanco);
  transform: scale(1.15) translateY(-8px);
  box-shadow: 0 15px 30px rgba(10, 43, 76, 0.2);
  border-color: transparent;
}

.socials__link--instagram:hover {
  background: radial-gradient(
    circle at 30% 107%,
    #fdf497 0%,
    #fdf497 5%,
    #fd5949 45%,
    #d6249f 60%,
    #285aeb 90%
  );
}

.socials__link--facebook:hover {
  background: #1877f2;
}

.socials__link--linkedin:hover {
  background: #0077b5;
}

.socials__link--web {
  background: var(--azul-primario);
  color: var(--blanco);
  border: none;
  box-shadow: 0 8px 20px rgba(10, 43, 76, 0.2);
}

.socials__link--web:hover {
  background: var(--naranja);
  box-shadow: 0 15px 35px rgba(242, 139, 48, 0.35);
}

.socials__footer {
  margin-top: 35px;
  color: #9ca3af;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

/* =====================
   Footer
   ===================== */
.footer {
  background: #050814;
  color: #9ca3af;
  padding: 50px 8% 20px;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}

.footer__col-title {
  margin: 0 0 10px;
  color: #e5e7eb;
  font-size: 0.95rem;
}

.footer__col-text {
  margin: 0 0 6px;
  font-size: 0.85rem;
}

.footer__bottom {
  border-top: 1px solid #111827;
  padding-top: 14px;
  text-align: center;
  font-size: 0.78rem;
}

/* =====================
   Responsive
   ===================== */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 50px;
  }

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

@media (max-width: 768px) {
  .header {
    padding-inline: 5%;
  }
  .header__nav {
    display: none;
  }
  .section,
  .cta,
  .socials,
  .footer {
    padding-inline: 5%;
  }
  .hero__title {
    font-size: 2rem;
  }
}