/* ═══════════════════════════════════════════════════════════════════════════
   Eduardo Arias Paniagua — Portfolio
   styles.css
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── 1. Custom Properties ─────────────────────────────────────────────────── */
:root {
  /* Palette */
  --clr-bg:          #0a0a0a;
  --clr-surface:     #111111;
  --clr-surface-2:   #161616;
  --clr-border:      #222222;
  --clr-border-dim:  #1a1a1a;
  --clr-text:        #e8e8e8;
  --clr-text-muted:  #777777;
  --clr-text-dim:    #444444;
  --clr-accent:      #cc0000;
  --clr-accent-dim:  #990000;
  --clr-accent-glow: rgba(204, 0, 0, 0.12);
  --clr-white:       #ffffff;

  /* Typography */
  --font-body:       'Barlow', system-ui, sans-serif;
  --font-heading:    'Barlow Condensed', 'Barlow', system-ui, sans-serif;

  /* Scale */
  --step-0:  clamp(0.875rem, 0.84rem + 0.18vw, 1rem);
  --step-1:  clamp(1rem, 0.94rem + 0.3vw, 1.2rem);
  --step-2:  clamp(1.25rem, 1.14rem + 0.54vw, 1.6rem);
  --step-3:  clamp(1.75rem, 1.55rem + 1vw, 2.5rem);
  --step-4:  clamp(2.5rem,  2.1rem  + 2vw,  4rem);
  --step-5:  clamp(3.5rem,  2.8rem  + 3.5vw, 6.5rem);

  /* Spacing */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 7rem;

  /* Layout */
  --container-max: 1160px;
  --header-h: 68px;

  /* Transitions */
  --dur-fast:   150ms;
  --dur-base:   280ms;
  --dur-slow:   480ms;
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── 2. Reset & Base ───────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--clr-text);
  background-color: var(--clr-bg);
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ─── 3. Utilities ──────────────────────────────────────────────────────────── */
.container {
  width: min(var(--container-max), 100% - 2 * var(--space-md));
  margin-inline: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-size: var(--step-0);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--clr-accent);
  color: var(--clr-white);
}
.btn--primary:hover, .btn--primary:focus-visible {
  background: var(--clr-accent-dim);
  box-shadow: 0 0 24px var(--clr-accent-glow);
}

.btn--outline {
  background: transparent;
  color: var(--clr-text);
  border: 1.5px solid var(--clr-border);
}
.btn--outline:hover, .btn--outline:focus-visible {
  border-color: var(--clr-text-muted);
  color: var(--clr-white);
}

.btn--large { padding: 1rem 2rem; font-size: var(--step-1); }

/* ─── 4. Reveal animations ──────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  translate: 0 24px;
  transition: opacity var(--dur-slow) var(--ease-out),
              translate var(--dur-slow) var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  translate: 0 0;
}

/* Stagger for grid children */
.comp-group:nth-child(1),
.valor-card:nth-child(1),
.stat-card:nth-child(1),
.formacion-card:nth-child(1) { transition-delay: 60ms; }

.comp-group:nth-child(2),
.valor-card:nth-child(2),
.stat-card:nth-child(2),
.formacion-card:nth-child(2) { transition-delay: 130ms; }

.comp-group:nth-child(3),
.valor-card:nth-child(3),
.stat-card:nth-child(3) { transition-delay: 200ms; }

.comp-group:nth-child(4),
.valor-card:nth-child(4),
.stat-card:nth-child(4) { transition-delay: 270ms; }

/* ─── 5. Header / Nav ───────────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border-dim);
  transition: border-color var(--dur-base);
}

.site-header.scrolled { border-color: var(--clr-border); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(var(--container-max), 100% - 2 * var(--space-md));
  margin-inline: auto;
  gap: var(--space-md);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav__logo-name {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  color: var(--clr-white);
}

.nav__logo-sep {
  width: 1px;
  height: 1rem;
  background: var(--clr-border);
}

.nav__logo-title {
  font-size: 0.75rem;
  color: var(--clr-text-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  padding: 0.4rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  border-radius: 2px;
  transition: color var(--dur-fast);
}

.nav__link:hover,
.nav__link.active { color: var(--clr-white); }

.nav__link--cta {
  color: var(--clr-white);
  background: var(--clr-accent);
  padding: 0.4rem 1rem;
  margin-left: 0.5rem;
}
.nav__link--cta:hover { background: var(--clr-accent-dim); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}

.nav__toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 1px;
  transition: transform var(--dur-base) var(--ease-out),
              opacity var(--dur-base),
              width var(--dur-base) var(--ease-out);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) {
  opacity: 0;
  width: 0;
}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 860px) {
  .nav__toggle { display: flex; }
  .nav__logo-title { display: none; }

  .nav__list {
    position: fixed;
    inset-block-start: var(--header-h);
    inset-inline: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--clr-border);
    padding: var(--space-sm) var(--space-md) var(--space-md);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--dur-base) var(--ease-out),
                opacity var(--dur-base);
  }

  .nav__list.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__link {
    display: block;
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid var(--clr-border-dim);
    font-size: 0.9375rem;
  }

  .nav__link--cta {
    display: inline-block;
    margin-top: var(--space-sm);
    margin-left: 0;
  }
}

/* ─── 6. Section Shared ─────────────────────────────────────────────────────── */
.section {
  padding-block: var(--space-2xl);
}

.section__header {
  margin-bottom: var(--space-xl);
}

.section__label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--space-xs);
}

.section__title {
  font-family: var(--font-heading);
  font-size: var(--step-4);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--clr-white);
}

/* ─── 7. Hero ───────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--space-lg);
  padding-top: var(--header-h);
  padding-inline: max(var(--space-md), (100% - var(--container-max)) / 2);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero__bg-accent {
  position: absolute;
  inset-block-start: 30%;
  inset-inline-end: 5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(204,0,0,0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 660px;
  padding-block: var(--space-2xl);
}

.hero__location {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.hero__location-icon { color: var(--clr-accent); flex-shrink: 0; }

.hero__name {
  font-family: var(--font-heading);
  font-size: var(--step-5);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--clr-white);
  margin-bottom: var(--space-md);
}

.hero__role {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--space-lg);
}

.hero__role-text {
  font-family: var(--font-heading);
  font-size: var(--step-1);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--clr-text-muted);
  text-transform: uppercase;
}

.hero__role-sep {
  color: var(--clr-accent);
  font-size: var(--step-1);
  font-weight: 900;
}

.hero__tagline {
  font-size: var(--step-2);
  font-weight: 400;
  line-height: 1.4;
  color: var(--clr-text);
  margin-bottom: var(--space-xl);
  max-width: 520px;
  border-left: 3px solid var(--clr-accent);
  padding-left: var(--space-md);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--clr-text-muted);
  font-weight: 500;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--clr-accent);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(204,0,0,0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(204,0,0,0); }
}

/* Hero visual – gauge (Mariposa & Tacómetro RPM) */
.hero__visual {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding-block: var(--space-2xl);
}

.hero__gauge {
  position: relative;
  width: 270px;
  height: 270px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 50px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,255,255,0.06);
  cursor: pointer;
  user-select: none;
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              border-color var(--dur-base);
}

.hero__gauge:hover {
  border-color: rgba(204, 0, 0, 0.5);
  box-shadow: 0 0 60px rgba(204, 0, 0, 0.15), inset 0 1px 0 rgba(255,255,255,0.08);
}

.hero__gauge-svg {
  width: 250px;
  height: 250px;
  overflow: visible;
}

.hero__gauge-needle {
  transform-box: view-box;
  transform-origin: 140px 140px;
  transform: rotate(-52deg);
  transition: transform 0.75s cubic-bezier(0.18, 0.89, 0.32, 1.28);
  pointer-events: none;
}

/* Revving state on hover / active */
.hero__gauge:hover .hero__gauge-needle,
.hero__gauge.revved .hero__gauge-needle {
  transform: rotate(91deg);
}

.hero__shift-light {
  transition: fill 0.2s ease, filter 0.2s ease;
}

.hero__gauge:hover .hero__shift-light,
.hero__gauge.revved .hero__shift-light {
  fill: #ff2525;
  filter: drop-shadow(0 0 8px #ff2525);
}

.hero__throttle-icon {
  opacity: 0.9;
  transition: opacity 0.3s ease;
}

.hero__gauge:hover .hero__throttle-icon,
.hero__gauge.revved .hero__throttle-icon {
  opacity: 1;
}

.hero__throttle-plate {
  transform-box: view-box;
  transform-origin: 140px 98px;
  transform: rotate(-25deg);
  transition: transform 0.65s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.hero__gauge:hover .hero__throttle-plate,
.hero__gauge.revved .hero__throttle-plate {
  transform: rotate(-72deg);
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    justify-items: center;
    text-align: center;
    padding-top: calc(var(--header-h) + var(--space-lg));
  }
  .hero__content { padding-block: var(--space-lg) 0; }
  .hero__location { justify-content: center; }
  .hero__role { justify-content: center; }
  .hero__tagline { text-align: left; }
  .hero__actions { justify-content: center; }
  .hero__badge { justify-content: center; }
  .hero__visual { padding-block: 0 var(--space-lg); }
}

@media (max-width: 480px) {
  .hero__gauge { width: 210px; height: 210px; }
  .hero__gauge-svg { width: 195px; height: 195px; }
}

/* ─── 8. Sobre mí ───────────────────────────────────────────────────────────── */
.sobre-mi { background: var(--clr-surface); }

.sobre-mi__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.sobre-mi__intro {
  font-size: var(--step-2);
  line-height: 1.5;
  color: var(--clr-text);
  margin-bottom: var(--space-md);
}

.sobre-mi__intro strong { color: var(--clr-white); font-weight: 600; }

.sobre-mi__body {
  color: var(--clr-text-muted);
  margin-bottom: var(--space-lg);
  font-size: var(--step-1);
}

.sobre-mi__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.stat-card {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 2px;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: border-color var(--dur-base), box-shadow var(--dur-base);
}

.stat-card:hover {
  border-color: var(--clr-accent);
  box-shadow: 0 0 20px var(--clr-accent-glow);
}

.stat-card__icon { color: var(--clr-accent); }

.stat-card__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  line-height: 1.3;
}

@media (max-width: 860px) {
  .sobre-mi__grid { grid-template-columns: 1fr; }
}

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

/* ─── 9. Experiencia ────────────────────────────────────────────────────────── */
.experiencia { background: var(--clr-bg); }

.timeline { position: relative; }

.timeline__item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: var(--space-md);
}

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

.timeline__dot {
  width: 14px;
  height: 14px;
  background: var(--clr-accent);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
  box-shadow: 0 0 12px rgba(204,0,0,0.5);
}

.timeline__line {
  width: 1px;
  flex: 1;
  background: var(--clr-border);
  margin-top: var(--space-xs);
}

.timeline__content {
  padding-bottom: var(--space-xl);
}

.timeline__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.timeline__period {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
}

.timeline__badge {
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-accent);
  background: rgba(204,0,0,0.1);
  border: 1px solid rgba(204,0,0,0.25);
  padding: 0.15rem 0.6rem;
  border-radius: 2px;
}

.timeline__company {
  font-family: var(--font-heading);
  font-size: var(--step-3);
  font-weight: 900;
  color: var(--clr-white);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.timeline__role {
  font-size: var(--step-1);
  color: var(--clr-text-muted);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.timeline__description {
  color: var(--clr-text);
  margin-bottom: var(--space-md);
  max-width: 600px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  padding: 0.3rem 0.75rem;
  border-radius: 2px;
  transition: border-color var(--dur-fast), color var(--dur-fast);
}

.skill-tag:hover {
  border-color: var(--clr-accent);
  color: var(--clr-white);
}

.experiencia__note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-left: 3px solid var(--clr-accent);
  border-radius: 2px;
  padding: var(--space-md);
  color: var(--clr-text-muted);
  font-size: 0.875rem;
  max-width: 600px;
}

.experiencia__note svg { flex-shrink: 0; margin-top: 2px; }

/* ─── 10. Competencias ──────────────────────────────────────────────────────── */
.competencias { background: var(--clr-surface); }

.competencias__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
}

.comp-group {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-top: 3px solid var(--clr-accent);
  border-radius: 2px;
  padding: var(--space-md) var(--space-lg);
  transition: box-shadow var(--dur-base);
}

.comp-group:hover {
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.comp-group__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--clr-border);
}

.comp-group__icon { color: var(--clr-accent); flex-shrink: 0; }

.comp-group__title {
  font-family: var(--font-heading);
  font-size: var(--step-2);
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: 0.01em;
}

.comp-list { display: flex; flex-direction: column; gap: 0.6rem; }

.comp-item {
  position: relative;
  padding-left: 1rem;
  font-size: var(--step-0);
  color: var(--clr-text);
}

.comp-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 1px;
  background: var(--clr-accent);
}

/* ─── 11. Formación ─────────────────────────────────────────────────────────── */
.formacion { background: var(--clr-bg); }

.formacion__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.formacion-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 2px;
  padding: var(--space-lg);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-lg);
  align-items: start;
  transition: border-color var(--dur-base), box-shadow var(--dur-base);
}

.formacion-card:hover {
  border-color: var(--clr-accent);
  box-shadow: 0 0 24px var(--clr-accent-glow);
}

.formacion-card__year {
  writing-mode: vertical-lr;
  transform: rotate(180deg);
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
  padding-block: 0.25rem;
  border-right: 1px solid var(--clr-border);
  padding-right: var(--space-md);
}

.formacion-card__type {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 0.4rem;
}

.formacion-card__title {
  font-family: var(--font-heading);
  font-size: var(--step-3);
  font-weight: 900;
  color: var(--clr-white);
  line-height: 1.1;
  margin-bottom: var(--space-sm);
}

.formacion-card__desc {
  font-size: var(--step-0);
  color: var(--clr-text-muted);
  margin-bottom: var(--space-sm);
  line-height: 1.5;
}

.formacion-card__period {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--clr-text-dim);
}

@media (max-width: 640px) {
  .formacion__grid { grid-template-columns: 1fr; }
  .formacion-card {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }
  .formacion-card__year {
    writing-mode: horizontal-tb;
    transform: none;
    border-right: none;
    border-bottom: 1px solid var(--clr-border);
    padding-right: 0;
    padding-bottom: var(--space-sm);
    margin-bottom: var(--space-sm);
  }
}

/* ─── 12. Valores / Cómo trabajo ────────────────────────────────────────────── */
.valores { background: var(--clr-surface); }

.valores__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
}

.valor-card {
  position: relative;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 2px;
  padding: var(--space-lg);
  overflow: hidden;
  transition: border-color var(--dur-base), box-shadow var(--dur-base);
}

.valor-card:hover {
  border-color: var(--clr-border);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.valor-card__number {
  position: absolute;
  inset-block-start: var(--space-md);
  inset-inline-end: var(--space-md);
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 900;
  color: var(--clr-surface-2);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.valor-card__title {
  font-family: var(--font-heading);
  font-size: var(--step-3);
  font-weight: 900;
  color: var(--clr-white);
  margin-bottom: var(--space-sm);
  position: relative;
  z-index: 1;
}

.valor-card__title::after {
  content: "";
  display: block;
  width: 32px;
  height: 3px;
  background: var(--clr-accent);
  margin-top: 0.4rem;
}

.valor-card__desc {
  font-size: var(--step-0);
  color: var(--clr-text-muted);
  position: relative;
  z-index: 1;
  line-height: 1.6;
}

/* ─── 13. Contacto ──────────────────────────────────────────────────────────── */
.contacto { background: var(--clr-bg); }

.contacto__inner {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-top: 3px solid var(--clr-accent);
  border-radius: 2px;
  padding: var(--space-xl);
}

.contacto__header { margin-bottom: var(--space-xl); }

.contacto__title {
  font-size: var(--step-3);
  max-width: 700px;
}

.contacto__subtitle {
  font-size: var(--step-1);
  color: var(--clr-text-muted);
  margin-top: var(--space-md);
  max-width: 560px;
}

.contacto__grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-xl);
  align-items: center;
}

.contacto__info { display: flex; flex-direction: column; gap: var(--space-sm); }

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 2px;
  transition: border-color var(--dur-base), box-shadow var(--dur-base);
}

a.contact-item:hover {
  border-color: var(--clr-accent);
  box-shadow: 0 0 16px var(--clr-accent-glow);
}

.contact-item__icon {
  width: 44px;
  height: 44px;
  background: rgba(204,0,0,0.1);
  border: 1px solid rgba(204,0,0,0.2);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  flex-shrink: 0;
}

.contact-item__label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
  margin-bottom: 0.15rem;
}

.contact-item__value {
  display: block;
  font-size: var(--step-1);
  font-weight: 600;
  color: var(--clr-text);
}

.contacto__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
}

.contacto__availability {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--clr-text-muted);
  margin-top: 0.25rem;
}

@media (max-width: 860px) {
  .contacto__grid {
    grid-template-columns: 1fr;
  }
  .contacto__inner { padding: var(--space-lg); }
  .contacto__actions { flex-direction: row; flex-wrap: wrap; align-items: center; }
}

@media (max-width: 480px) {
  .contacto__actions { flex-direction: column; }
  .contacto__actions .btn { width: 100%; justify-content: center; }
}

/* ─── 14. Footer ────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding-block: var(--space-lg);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--clr-text-muted);
}

.footer__copy span { color: var(--clr-text-dim); }

.footer__contact {
  font-size: 0.8125rem;
  color: var(--clr-text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur-fast);
}

.footer__contact:hover { color: var(--clr-white); }

/* ─── 15. Scrollbar ─────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-text-dim); }