/* ===== Variables ===== */
:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2235;
  --bg-card-hover: #1f2a40;
  --border: #2a3548;
  --border-light: #374151;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent: #06b6d4;
  --accent-light: #22d3ee;
  --accent-dark: #0891b2;
  --accent-glow: rgba(6, 182, 212, 0.15);

  --success: #10b981;
  --error: #ef4444;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --transition: 0.25s ease;

  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.hidden {
  display: none !important;
}

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

.container {
  width: min(1140px, 92%);
  margin-inline: auto;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.header--scrolled {
  border-bottom-color: var(--border);
  background: rgba(10, 14, 23, 0.95);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.nav__logo-icon {
  color: var(--accent);
  font-size: 1.1rem;
}

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

.nav__menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

.nav__link--active {
  color: var(--accent-light);
}

.nav__link--cta {
  background: var(--accent);
  color: var(--bg-primary) !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: background var(--transition), transform var(--transition);
}

.nav__link--cta:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
}

.btn--primary {
  background: var(--accent);
  color: var(--bg-primary);
}

.btn--primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-light);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--full {
  width: 100%;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.btn__loader {
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 3rem) 0 4rem;
  overflow: hidden;
}

.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(6, 182, 212, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6, 182, 212, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 20%, transparent 70%);
}

.hero__grid-bg::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero__badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--accent-glow);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin-bottom: 1.75rem;
  line-height: 1.7;
}

.hero__leadership {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.625rem 1.25rem;
  margin-bottom: 2rem;
  background: rgba(26, 34, 53, 0.6);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
}

.hero__leadership-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hero__leadership-divider {
  width: 1px;
  height: 18px;
  background: var(--border-light);
}

.hero__leadership-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.hero__stats {
  display: flex;
  gap: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat__number {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-mono);
}

.stat__label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== Sections ===== */
.section {
  padding: 6rem 0;
}

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

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}

.section__tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.section__title {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section__desc {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== About ===== */
.about__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.about__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition), transform var(--transition);
}

.about__card:hover {
  border-color: rgba(6, 182, 212, 0.4);
  transform: translateY(-4px);
}

.about__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.about__card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.about__card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ===== Services ===== */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  overflow: hidden;
}

.service-card:hover {
  border-color: rgba(6, 182, 212, 0.5);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transform: translateY(-4px);
}

.service-card__number {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: var(--radius-sm);
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.service-card > p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.service-card__list li {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0.3rem 0;
  padding-left: 1.25rem;
  position: relative;
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* ===== Process ===== */
.process__steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}

.process__step {
  flex: 1;
  min-width: 200px;
  max-width: 240px;
  text-align: center;
  padding: 1.5rem 1rem;
}

.process__step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--accent-glow);
  border: 2px solid var(--accent);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1rem;
}

.process__step h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.process__step p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.process__connector {
  flex: 0 0 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--border), var(--accent), var(--border));
  margin-top: 2.4rem;
  opacity: 0.5;
}

/* ===== Contact ===== */
.contact__wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact__info .section__header {
  text-align: left;
  margin: 0 0 2rem;
}

.contact__channels {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact__channel {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.contact__channel-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: var(--radius-sm);
  color: var(--accent);
  flex-shrink: 0;
}

.contact__channel-icon svg {
  width: 22px;
  height: 22px;
}

.contact__channel-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.contact__channel-value {
  font-weight: 500;
  color: var(--accent-light);
  transition: color var(--transition);
}

.contact__channel-value:hover {
  color: var(--accent);
}

.contact__form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

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

.required {
  color: var(--accent);
}

.form__group input,
.form__group textarea {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form__group input::placeholder,
.form__group textarea::placeholder {
  color: var(--text-muted);
}

.form__group input:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.form__message {
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  text-align: center;
}

.form__message--success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--success);
}

.form__message--error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 3rem 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
}

.footer__tagline {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

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

.footer__links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--accent);
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: right;
}

.footer__contact a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer__contact a:hover {
  color: var(--accent-light);
}

.footer__bottom {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0;
  text-align: center;
}

.footer__bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .contact__wrapper {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .contact__info .section__header {
    text-align: center;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer__contact {
    text-align: center;
  }

  .process__connector {
    display: none;
  }

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

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .nav__menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav__menu li {
    width: 100%;
  }

  .nav__link {
    display: block;
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--border);
  }

  .nav__link--cta {
    text-align: center;
    margin-top: 0.5rem;
    border: none;
  }

  .hero__stats {
    gap: 1.5rem;
  }

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

  .contact__form-wrapper {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero__leadership {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    padding: 0.875rem 1rem;
  }

  .hero__leadership-divider {
    display: none;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .hero__stats {
    flex-direction: column;
    gap: 1rem;
  }
}

/* ===== Blog ===== */
.blog-hero {
  padding: calc(var(--header-height) + 3rem) 0 2rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.blog-hero__title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0.75rem 0 1rem;
}

.blog-hero__desc {
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

.blog-back {
  display: inline-block;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  transition: color var(--transition);
}

.blog-back:hover {
  color: var(--accent);
}

.blog-section {
  padding-top: 4rem;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.blog-card:hover {
  border-color: rgba(6, 182, 212, 0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.blog-card__category {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.875rem;
}

.blog-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.blog-card__title a {
  transition: color var(--transition);
}

.blog-card__title a:hover {
  color: var(--accent-light);
}

.blog-card__excerpt {
  flex: 1;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.blog-card__meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.blog-card__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  transition: color var(--transition);
}

.blog-card__link:hover {
  color: var(--accent-light);
}

/* ===== Artículo individual ===== */
.article {
  padding-bottom: 4rem;
}

.article__header {
  padding: calc(var(--header-height) + 3rem) 0 2rem;
  max-width: 760px;
}

.article__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 1rem 0;
}

.article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.article__body {
  max-width: 720px;
  padding-bottom: 3rem;
}

.article__lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 2rem;
  padding-left: 1.25rem;
  border-left: 3px solid var(--accent);
}

.article__body h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
  color: var(--text-primary);
}

.article__body p {
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.article__body ul {
  margin: 0 0 1.25rem 1.25rem;
}

.article__body li {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0.5rem;
  list-style: disc;
}

.article__body strong {
  color: var(--text-primary);
  font-weight: 600;
}

.article__cta {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
}

.article__cta p {
  margin-bottom: 1.25rem;
  color: var(--text-primary);
  font-weight: 500;
}

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