@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  background-color: var(--color-pitch-black);
  color: var(--color-porcelain);
  font-family: var(--font-inter-variable);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul {
  list-style: none;
}

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

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--spacing-24);
}

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

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--spacing-16) 0;
  background: rgba(8, 9, 10, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-charcoal-grey);
  transition: background 0.3s ease;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-size: 20px;
  font-weight: var(--font-weight-w590);
  letter-spacing: var(--tracking-heading);
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
}

.nav__logo-accent {
  color: var(--color-alabaster);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--spacing-32);
}

.nav__link {
  font-size: var(--text-body);
  color: var(--color-storm-cloud);
  font-weight: var(--font-weight-regular);
  transition: color 0.2s ease;
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-light-steel);
  transition: width 0.3s ease;
}

.nav__link:hover {
  color: var(--color-porcelain);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__cta {
  background: var(--color-porcelain);
  color: var(--color-pitch-black);
  font-weight: var(--font-weight-w590);
  font-size: var(--text-body);
  padding: var(--spacing-8) var(--spacing-20);
  border-radius: var(--radius-buttons);
  border: none;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.15s ease;
}

.nav__cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.nav__mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-4);
}

.nav__mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-porcelain);
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ---- HERO ---- */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding-top: var(--spacing-96);
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(208, 214, 224, 0.05) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: pulse-glow 6s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(35, 37, 42, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 37, 42, 0.3) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black, transparent);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  padding: var(--spacing-4) var(--spacing-16);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-charcoal-grey);
  background: var(--color-graphite);
  font-size: 12px;
  color: var(--color-storm-cloud);
  margin-bottom: var(--spacing-32);
  animation: fade-in-up 0.8s ease forwards;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-light-steel);
  animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(208, 214, 224, 0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(208, 214, 224, 0); }
}

.hero__title {
  font-size: clamp(40px, 6vw, var(--text-display));
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
  font-weight: var(--font-weight-w590);
  margin-bottom: var(--spacing-24);
  animation: fade-in-up 0.8s ease 0.15s both;
}

.hero__title-accent {
  background: linear-gradient(135deg, var(--color-porcelain), var(--color-storm-cloud));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 17px;
  color: var(--color-storm-cloud);
  line-height: 1.6;
  max-width: 560px;
  margin: 0 auto var(--spacing-40);
  font-weight: var(--font-weight-regular);
  animation: fade-in-up 0.8s ease 0.3s both;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-16);
  animation: fade-in-up 0.8s ease 0.45s both;
}

.btn-primary {
  background: var(--color-porcelain);
  color: var(--color-pitch-black);
  font-weight: var(--font-weight-w590);
  font-size: 15px;
  padding: var(--spacing-12) var(--spacing-32);
  border-radius: var(--radius-buttons);
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.2s ease, transform 0.15s ease, box-shadow 0.3s ease;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 4px 24px rgba(208, 214, 224, 0.15);
}

.btn-secondary {
  background: transparent;
  color: var(--color-light-steel);
  font-weight: var(--font-weight-w510);
  font-size: 15px;
  padding: var(--spacing-12) var(--spacing-32);
  border-radius: var(--radius-buttons);
  border: 1px solid var(--color-charcoal-grey);
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.btn-secondary:hover {
  border-color: var(--color-muted-ash);
  color: var(--color-porcelain);
  background: rgba(255, 255, 255, 0.03);
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- SECTIONS COMMON ---- */

.section {
  padding: var(--spacing-128) 0;
  position: relative;
}

.section__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-64);
}

.section__label {
  font-size: 12px;
  font-weight: var(--font-weight-w590);
  color: var(--color-light-steel);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--spacing-16);
}

.section__title {
  font-size: clamp(28px, 4vw, var(--text-heading-lg));
  line-height: var(--leading-heading-lg);
  letter-spacing: var(--tracking-heading-lg);
  font-weight: var(--font-weight-w590);
  margin-bottom: var(--spacing-16);
}

.section__description {
  font-size: 16px;
  color: var(--color-storm-cloud);
  line-height: 1.6;
}

/* ---- SERVICES ---- */

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-24);
}

.service-card {
  background: var(--surface-graphite-card);
  border-radius: var(--radius-cards);
  padding: var(--spacing-32);
  box-shadow: var(--shadow-sm);
  border: 1px solid transparent;
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-light-steel), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-card:hover {
  border-color: var(--color-charcoal-grey);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-deep-slate);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-24);
  border: 1px solid var(--color-charcoal-grey);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-light-steel);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card__title {
  font-size: 17px;
  font-weight: var(--font-weight-w510);
  margin-bottom: var(--spacing-12);
}

.service-card__text {
  font-size: var(--text-body);
  color: var(--color-storm-cloud);
  line-height: 1.6;
}

/* ---- INFRA CARDS ---- */

.infra__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-20);
}

.infra-card {
  background: var(--surface-graphite-card);
  border: 1px solid var(--color-charcoal-grey);
  border-radius: var(--radius-cards);
  padding: var(--spacing-24);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.infra-card:hover {
  border-color: var(--color-muted-ash);
  transform: translateY(-2px);
}

.infra-card--wide {
  grid-column: 1 / -1;
}

.infra-card__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-12);
}

.infra-card__label {
  font-size: 13px;
  color: var(--color-storm-cloud);
  font-weight: var(--font-weight-w510);
}

.infra-card__status {
  margin-left: auto;
  font-size: 11px;
  font-weight: var(--font-weight-w590);
  color: var(--color-emerald);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.infra-card__value {
  font-size: 20px;
  font-weight: var(--font-weight-w590);
  letter-spacing: var(--tracking-heading);
  margin-bottom: var(--spacing-12);
}

.infra-card__bar {
  height: 3px;
  background: var(--color-charcoal-grey);
  border-radius: 2px;
  margin-bottom: var(--spacing-12);
  overflow: hidden;
}

.infra-card__bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-storm-cloud), var(--color-light-steel));
  border-radius: 2px;
  transition: width 1.2s ease;
}

.infra-card__meta {
  font-size: 12px;
  color: var(--color-fog-grey);
  line-height: 1.5;
}

/* ---- TRUST ---- */

.trust {
  background: var(--surface-graphite-card);
  border-top: 1px solid var(--color-charcoal-grey);
  border-bottom: 1px solid var(--color-charcoal-grey);
}

.trust__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-48);
}

.trust__item {
  text-align: center;
  padding: var(--spacing-32) var(--spacing-16);
}

.trust__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-deep-slate);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-24);
  border: 1px solid var(--color-charcoal-grey);
}

.trust__icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-light-steel);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.trust__item h3 {
  font-size: 16px;
  font-weight: var(--font-weight-w510);
  margin-bottom: var(--spacing-8);
}

.trust__item p {
  font-size: 13px;
  color: var(--color-storm-cloud);
  line-height: 1.6;
}

/* ---- ORG CHART ---- */

.org__chart {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.org__node {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.org__avatar {
  margin-bottom: var(--spacing-8);
}

.org__card {
  background: var(--surface-graphite-card);
  border: 1px solid var(--color-charcoal-grey);
  border-radius: var(--radius-cards);
  padding: var(--spacing-20) var(--spacing-32);
  text-align: center;
  position: relative;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
  min-width: 200px;
}

.org__card:hover {
  border-color: var(--color-muted-ash);
  box-shadow: 0 0 20px rgba(208, 214, 224, 0.05);
  transform: translateY(-2px);
}

.org__card--ceo {
  background: var(--surface-deep-slate-elevated-card);
  border-color: var(--color-light-steel);
  box-shadow: 0 0 24px rgba(208, 214, 224, 0.04);
}

.org__card-role {
  font-size: 11px;
  font-weight: var(--font-weight-w590);
  color: var(--color-light-steel);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--spacing-4);
}

.org__card-name {
  font-size: 15px;
  font-weight: var(--font-weight-w510);
  color: var(--color-porcelain);
}

.org__card-desc {
  font-size: 12px;
  color: var(--color-fog-grey);
  margin-top: var(--spacing-4);
}

.org__connector-vertical {
  width: 1px;
  height: 40px;
  background: var(--color-charcoal-grey);
  position: relative;
}

.org__connector-vertical::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-charcoal-grey);
}

.org__branches {
  display: flex;
  justify-content: center;
  gap: var(--spacing-48);
  position: relative;
}

.org__branches::before {
  content: '';
  position: absolute;
  top: 0;
  left: calc(50% - ((100% - var(--spacing-48)) / 2));
  right: calc(50% - ((100% - var(--spacing-48)) / 2));
  height: 1px;
  background: var(--color-charcoal-grey);
}

.org__branch {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.org__connector-branch {
  width: 1px;
  height: 32px;
  background: var(--color-charcoal-grey);
}

.org__horizontal-line {
  height: 1px;
  background: var(--color-charcoal-grey);
  position: relative;
}

/* ---- FAQ ---- */

.faq__list {
  max-width: 720px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--color-charcoal-grey);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-16);
  padding: var(--spacing-24) 0;
  background: none;
  border: none;
  color: var(--color-porcelain);
  font-family: inherit;
  font-size: 15px;
  font-weight: var(--font-weight-w510);
  text-align: left;
  cursor: pointer;
  transition: color 0.2s ease;
}

.faq__question:hover {
  color: var(--color-light-steel);
}

.faq__chevron {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--color-storm-cloud);
}

.faq__item--open .faq__chevron {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq__item--open .faq__answer {
  max-height: 300px;
  padding-bottom: var(--spacing-24);
}

.faq__answer p {
  font-size: 14px;
  color: var(--color-storm-cloud);
  line-height: 1.7;
}

/* ---- CONTACT FORM ---- */

.contact-form {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-20);
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-20);
}

.contact-form__field {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
}

.contact-form__label {
  font-size: 13px;
  font-weight: var(--font-weight-w510);
  color: var(--color-storm-cloud);
}

.contact-form__input {
  background: var(--color-graphite);
  border: 1px solid var(--color-charcoal-grey);
  border-radius: var(--radius-buttons);
  padding: var(--spacing-12) var(--spacing-16);
  color: var(--color-porcelain);
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

.contact-form__input::placeholder {
  color: var(--color-fog-grey);
}

.contact-form__input:focus {
  border-color: var(--color-light-steel);
  box-shadow: 0 0 0 3px rgba(208, 214, 224, 0.06);
}

.contact-form__select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236e7681' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
  cursor: pointer;
}

.contact-form__select option {
  background: var(--color-graphite);
  color: var(--color-porcelain);
}

.contact-form__textarea {
  resize: vertical;
  min-height: 100px;
}

.contact-form__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-16);
  padding-top: var(--spacing-8);
}

.contact-form__submit {
  flex-shrink: 0;
}

.contact-form__status {
  font-size: 13px;
  text-align: center;
  min-height: 20px;
}

.contact-form__status--sending {
  color: var(--color-storm-cloud);
}

.contact-form__status--success {
  color: var(--color-emerald, #4ade80);
}

.contact-form__status--error {
  color: #f87171;
}

/* ---- CTA SECTION ---- */

.cta-section {
  text-align: center;
  position: relative;
}

.cta-section__glow {
  position: absolute;
  width: 500px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(208, 214, 224, 0.03) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.cta-section__content {
  position: relative;
  z-index: 1;
}

.cta-section__title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: var(--font-weight-w590);
  letter-spacing: var(--tracking-heading);
  margin-bottom: var(--spacing-16);
}

.cta-section__text {
  font-size: 16px;
  color: var(--color-storm-cloud);
  margin-bottom: var(--spacing-40);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* ---- FOOTER ---- */

.footer {
  padding: var(--spacing-48) 0;
  border-top: 1px solid var(--color-charcoal-grey);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__brand {
  font-size: 15px;
  font-weight: var(--font-weight-w510);
}

.footer__brand-accent {
  color: var(--color-alabaster);
}

.footer__info {
  display: flex;
  align-items: center;
  gap: var(--spacing-24);
  font-size: 13px;
  color: var(--color-fog-grey);
}

.footer__info a {
  color: var(--color-storm-cloud);
  transition: color 0.2s ease;
}

.footer__info a:hover {
  color: var(--color-porcelain);
}

/* ---- STATS BAR ---- */

.stats {
  padding: var(--spacing-64) 0;
  border-bottom: 1px solid var(--color-charcoal-grey);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-24);
  text-align: center;
}

.stat__value {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: var(--font-weight-w590);
  letter-spacing: var(--tracking-heading-lg);
  line-height: 1;
  margin-bottom: var(--spacing-8);
  background: linear-gradient(135deg, var(--color-porcelain), var(--color-storm-cloud));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat__label {
  font-size: 13px;
  color: var(--color-storm-cloud);
}

/* ---- SCROLL REVEAL ---- */

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- RESPONSIVE ---- */

@media (max-width: 960px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .trust__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-32);
  }

  .org__branches {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }

  .org__branches::before,
  .org__horizontal-line {
    display: none;
  }

  .org__connector-vertical::after {
    display: none; /* Oculta el puntito central en móvil para que sea una línea continua */
  }

  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-32);
  }
}

@media (max-width: 640px) {
  .nav__links {
    display: none;
  }

  .nav__mobile-toggle {
    display: flex;
  }

  .nav__links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(8, 9, 10, 0.95);
    backdrop-filter: blur(16px);
    padding: var(--spacing-24);
    border-bottom: 1px solid var(--color-charcoal-grey);
    gap: var(--spacing-16);
  }

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

  .hero__actions {
    flex-direction: column;
  }

  .hero__title {
    font-size: clamp(32px, 8vw, 48px);
  }

  .section {
    padding: var(--spacing-80) 0;
  }

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

  .footer__inner {
    flex-direction: column;
    gap: var(--spacing-16);
    text-align: center;
  }

  .footer__info {
    flex-direction: column;
    gap: var(--spacing-8);
  }

  .contact-form__row {
    grid-template-columns: 1fr;
  }

  .contact-form__actions {
    flex-direction: column;
  }

  .contact-form__actions .btn-primary,
  .contact-form__actions .btn-secondary {
    width: 100%;
    text-align: center;
  }
}