/* ==========================================================================
   Tokens visuales
   ========================================================================== */

:root {
  --color-bg: #ffffff;
  --color-bg-secondary: #f4f6f9;
  --color-navy: #0b1f3a;
  --color-electric: #1565ff;
  --color-electric-soft: rgba(21, 101, 255, 0.12);
  --color-text: #1a2332;
  --color-text-muted: #5a6577;
  --color-border: rgba(11, 31, 58, 0.08);

  --font-sans: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 2px 8px rgba(11, 31, 58, 0.06);
  --shadow-md: 0 8px 24px rgba(11, 31, 58, 0.08);

  --max-width: 1120px;
  --header-height: 5rem;
  --space: 1.25rem;
}

/* ==========================================================================
   Reset básico
   ========================================================================== */

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

* {
  margin: 0;
}

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

ul,
ol {
  padding: 0;
  list-style: none;
}

/* ==========================================================================
   Estilos globales
   ========================================================================== */

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.is-nav-open {
  overflow: hidden;
}

a {
  color: inherit;
}

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

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

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 200;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  background: var(--color-navy);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1.5rem;
}

.brand {
  display: grid;
  line-height: 1.15;
  text-decoration: none;
}

.brand__name {
  position: relative;
  padding-left: 0.7rem;
  color: var(--color-navy);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand__name::before {
  content: "";
  position: absolute;
  top: 0.12em;
  bottom: 0.12em;
  left: 0;
  width: 3px;
  border-radius: 99px;
  background: var(--color-electric);
}

.brand__surname {
  padding-left: 0.7rem;
  color: var(--color-text-muted);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.brand__tagline {
  margin-top: 0.28rem;
  padding-left: 0.7rem;
  color: var(--color-electric);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 0.15rem 1.15rem;
}

.site-nav__link {
  position: relative;
  display: inline-block;
  padding: 0.25rem 0;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 100%;
  height: 2px;
  border-radius: 99px;
  background: var(--color-electric);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--color-electric);
}

.site-nav__link.is-active {
  color: var(--color-electric);
  font-weight: 600;
}

.site-nav__link.is-active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  margin: 0.22rem auto;
  border-radius: 99px;
  background: var(--color-navy);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(0.34rem) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-0.34rem) rotate(-45deg);
}

/* ==========================================================================
   Botones
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.2rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.925rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

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

.btn--primary {
  background: var(--color-electric);
  color: #fff;
  box-shadow: 0 10px 22px rgba(21, 101, 255, 0.2);
}

.btn--primary:hover {
  background: #0f56e6;
}

.btn--ghost {
  background: #fff;
  border-color: rgba(11, 31, 58, 0.12);
  color: var(--color-navy);
}

.btn--ghost:hover {
  border-color: var(--color-electric);
  color: var(--color-electric);
}

.btn--cv {
  padding: 0.65rem 0.95rem;
  background: var(--color-navy);
  color: #fff;
}

.btn--cv:hover {
  background: var(--color-electric);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: calc(100svh - var(--header-height));
  overflow: hidden;
  isolation: isolate;
  padding: 4.5rem 0 5rem;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(10px);
}

.hero::before {
  top: -8rem;
  right: -6rem;
  width: 28rem;
  height: 28rem;
  background: radial-gradient(circle, rgba(21, 101, 255, 0.14), transparent 68%);
}

.hero::after {
  bottom: -7rem;
  left: -5rem;
  width: 22rem;
  height: 22rem;
  background: radial-gradient(circle, rgba(11, 31, 58, 0.07), transparent 70%);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  align-items: center;
  gap: 4rem;
}

.hero__content {
  max-width: 38rem;
  animation: fade-up 0.7s ease both;
}

.hero__eyebrow {
  margin-bottom: 1rem;
  color: var(--color-electric);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero__title {
  color: var(--color-navy);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero__title span {
  display: block;
  color: var(--color-electric);
}

.hero__lead {
  margin-top: 1.35rem;
  color: var(--color-navy);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 500;
  line-height: 1.45;
}

.hero__lead strong {
  display: inline;
  background-image: linear-gradient(180deg, transparent 62%, rgba(21, 101, 255, 0.16) 62%);
}

.hero__text {
  margin-top: 1rem;
  max-width: 32rem;
  color: var(--color-text-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.75rem;
}

.social-list {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 1.75rem;
}

.social-link {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-navy);
  background: #fff;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.social-link:hover,
.social-link:focus-visible {
  color: var(--color-electric);
  border-color: var(--color-electric);
  transform: translateY(-2px);
}

.hero__visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 22rem;
  animation: fade-up 0.8s 0.1s ease both;
}

.hero__visual::before {
  content: "";
  position: absolute;
  inset: 12%;
  z-index: -1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 25%, rgba(21, 101, 255, 0.18), transparent 42%),
    radial-gradient(circle at 70% 80%, rgba(11, 31, 58, 0.08), transparent 45%);
}

.hero__orbit,
.hero__orbit--inner {
  position: absolute;
  border: 1px solid rgba(21, 101, 255, 0.16);
  border-radius: 50%;
  pointer-events: none;
}

.hero__orbit {
  width: min(100%, 26rem);
  aspect-ratio: 1;
  border-top-color: rgba(21, 101, 255, 0.45);
  border-right-color: transparent;
  animation: orbit 22s linear infinite;
}

.hero__orbit--inner {
  width: min(78%, 20rem);
  border-color: rgba(11, 31, 58, 0.08);
  border-bottom-color: rgba(21, 101, 255, 0.28);
  animation-duration: 16s;
  animation-direction: reverse;
}

.hero__portrait {
  position: relative;
  width: min(72%, 20.5rem);
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 50%;
  background:
    radial-gradient(circle at 1px 1px, rgba(21, 101, 255, 0.16) 1px, transparent 0) 0 0 / 16px 16px,
    linear-gradient(160deg, #eef3fb, #f7f9fc 55%, #e8eef8);
  box-shadow:
    inset 0 0 0 8px rgba(255, 255, 255, 0.7),
    0 18px 40px rgba(11, 31, 58, 0.1);
}

.hero__portrait-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
}

.hero__portrait-img.is-loaded {
  opacity: 1;
}

.hero__portrait-img.is-missing {
  display: none;
}

.hero__portrait:has(.hero__portrait-img.is-loaded) .hero__portrait-placeholder {
  opacity: 0;
}

.hero__portrait-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 0.35rem;
  color: var(--color-navy);
  text-align: center;
  pointer-events: none;
}

.hero__portrait-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero__portrait-path {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

/* ==========================================================================
   Proyectos
   ========================================================================== */

.section-intro {
  max-width: 38rem;
  margin-bottom: 2.75rem;
}

.section-intro__eyebrow {
  margin-bottom: 0.75rem;
  color: var(--color-electric);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-intro__title {
  color: var(--color-navy);
  font-size: clamp(1.85rem, 3.4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-intro__text {
  margin-top: 0.85rem;
  color: var(--color-text-muted);
}

.section-intro--compact {
  margin-bottom: 1.5rem;
}

.projects {
  padding: 5.5rem 0;
  background:
    radial-gradient(circle at 92% 8%, rgba(21, 101, 255, 0.06), transparent 28%),
    var(--color-bg-secondary);
}

.project-featured {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 2.25rem;
  align-items: center;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.project-featured:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.project-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 1px 1px, rgba(21, 101, 255, 0.14) 1px, transparent 0) 0 0 / 18px 18px,
    linear-gradient(160deg, #eaf1fb, #f7f9fc 55%, #e7eef8);
  box-shadow: inset 0 0 0 1px rgba(11, 31, 58, 0.04);
}

.project-media__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
}

.project-media__img.is-loaded {
  opacity: 1;
}

.project-media__img.is-missing {
  display: none;
}

.project-media:has(.project-media__img.is-loaded) .project-media__placeholder {
  opacity: 0;
}

.project-media__placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 0.4rem;
  padding: 1.25rem;
  color: var(--color-navy);
  text-align: center;
  pointer-events: none;
}

.project-media__label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.project-media__path {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  word-break: break-all;
}

.project-featured__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.6rem;
  border-radius: 99px;
  background: var(--color-electric-soft);
  color: var(--color-electric);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-featured__title {
  margin-top: 0.7rem;
  color: var(--color-navy);
  font-size: clamp(1.7rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.project-featured__subtitle {
  margin-top: 0.35rem;
  color: var(--color-electric);
  font-size: 1rem;
  font-weight: 600;
}

.project-featured__text {
  margin-top: 0.9rem;
  color: var(--color-text-muted);
}

.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem 1rem;
  margin-top: 1.15rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  color: var(--color-navy);
  font-size: 0.92rem;
  font-weight: 500;
}

.feature-list i {
  color: var(--color-electric);
  line-height: 1.5;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.2rem;
}

.chip-list li {
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: 99px;
  background: #fff;
  color: var(--color-navy);
  font-size: 0.78rem;
  font-weight: 600;
}

.project-featured__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.project-upcoming {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.15rem;
  margin-top: 1.5rem;
}

.project-card {
  min-height: 11.5rem;
  padding: 1.35rem 1.25rem;
  border: 1px dashed rgba(11, 31, 58, 0.14);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.project-card:hover {
  transform: translateY(-3px);
  border-color: rgba(21, 101, 255, 0.22);
  box-shadow: var(--shadow-sm);
}

.project-card__eyebrow {
  color: var(--color-navy);
  font-size: 1rem;
  font-weight: 700;
}

.project-card__text {
  margin-top: 0.45rem;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* ==========================================================================
   Sobre mí
   ========================================================================== */

.about {
  padding: 5.5rem 0;
  background-color: var(--color-bg);
}

.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 3.25rem;
  align-items: start;
}

.about__text {
  max-width: 38rem;
  color: var(--color-text-muted);
}

.about__text + .about__text {
  margin-top: 1rem;
}

.about__quote {
  max-width: 34rem;
  margin-top: 1.75rem;
  padding: 1rem 0 1rem 1.15rem;
  border-left: 3px solid var(--color-electric);
  color: var(--color-navy);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.5;
}

.focus-panel {
  padding: 1.4rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
  box-shadow: var(--shadow-sm);
}

.focus-panel__title {
  margin-bottom: 1rem;
  color: var(--color-navy);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.focus-panel__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.focus-panel__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  min-height: 4.4rem;
  padding: 0.85rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--color-navy);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.35;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.focus-panel__list li:hover {
  transform: translateY(-2px);
  border-color: rgba(21, 101, 255, 0.2);
  box-shadow: var(--shadow-sm);
}

.focus-panel__list i {
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
  border-radius: 8px;
  background: var(--color-electric-soft);
  color: var(--color-electric);
}

/* ==========================================================================
   Formación
   ========================================================================== */

.education {
  padding: 5.5rem 0;
  background:
    radial-gradient(circle at 8% 12%, rgba(21, 101, 255, 0.05), transparent 26%),
    var(--color-bg-secondary);
}

.timeline {
  position: relative;
  max-width: 42rem;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0.65rem;
  bottom: 0.65rem;
  left: 1.2rem;
  width: 2px;
  background: linear-gradient(180deg, var(--color-electric), rgba(11, 31, 58, 0.08));
}

.timeline__item {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: 1.1rem;
  align-items: start;
}

.timeline__item + .timeline__item {
  margin-top: 1.15rem;
}

.timeline__icon {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: #fff;
  color: var(--color-electric);
  box-shadow: var(--shadow-sm);
}

.timeline__card {
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.timeline__card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.timeline__title {
  color: var(--color-navy);
  font-size: 1.05rem;
  line-height: 1.35;
}

.timeline__program {
  margin-top: 0.3rem;
  color: var(--color-text-muted);
}

.timeline__status {
  display: inline-flex;
  margin-top: 0.7rem;
  padding: 0.25rem 0.6rem;
  border-radius: 99px;
  background: var(--color-electric-soft);
  color: var(--color-electric);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ==========================================================================
   Experiencia
   ========================================================================== */

.experience {
  padding: 5.5rem 0;
  background-color: var(--color-bg);
}

.timeline--experience {
  max-width: 52rem;
}

.timeline--experience::before {
  left: calc(7.5rem + 1.2rem);
}

.timeline--experience .timeline__item {
  grid-template-columns: 7.5rem 2.5rem minmax(0, 1fr);
  align-items: start;
}

.timeline__period {
  padding-top: 0.55rem;
  color: var(--color-electric);
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.35;
}

.timeline__card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.6rem 1rem;
}

.timeline__card-head .timeline__status {
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.timeline__role {
  color: var(--color-navy);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.timeline__company {
  margin-top: 0.3rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.timeline__duties {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.95rem;
}

.timeline__duties li {
  position: relative;
  padding-left: 0.95rem;
  color: var(--color-text-muted);
}

.timeline__duties li::before {
  content: "";
  position: absolute;
  top: 0.55em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-electric);
}

.timeline__card--product {
  border-color: rgba(21, 101, 255, 0.22);
}

.timeline__product {
  margin-top: 0.3rem;
  color: var(--color-navy);
  font-weight: 700;
}

.timeline__note {
  margin-top: 0.15rem;
  color: var(--color-electric);
  font-size: 0.85rem;
  font-weight: 600;
}

.timeline__summary {
  margin-top: 0.75rem;
  color: var(--color-text-muted);
}

.timeline__card .chip-list {
  margin-top: 1rem;
}

.timeline__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.05rem;
  color: var(--color-electric);
  font-size: 0.925rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, color 0.2s ease;
}

.timeline__link:hover,
.timeline__link:focus-visible {
  color: #0f56e6;
}

/* ==========================================================================
   Tecnologías
   ========================================================================== */

.tech {
  padding: 5.5rem 0;
  background:
    radial-gradient(circle at 88% 10%, rgba(21, 101, 255, 0.05), transparent 24%),
    var(--color-bg-secondary);
}

.stack {
  padding: 1.4rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.stack__eyebrow {
  margin-bottom: 1.15rem;
  color: var(--color-electric);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.stack__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.stack-panel {
  min-height: 100%;
  padding: 1.05rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.stack-panel:hover {
  transform: translateY(-2px);
  border-color: rgba(21, 101, 255, 0.18);
  box-shadow: var(--shadow-sm);
}

.stack-panel__title {
  margin-bottom: 0.85rem;
  color: var(--color-navy);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.stack-panel__list {
  display: grid;
  gap: 0.55rem;
}

.stack-panel__list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--color-navy);
  font-size: 0.92rem;
  font-weight: 600;
}

.tech-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
  border-radius: 8px;
  background: var(--color-electric-soft);
  color: var(--color-electric);
}

.tech-mark--text {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.stack-applied {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.15rem;
  padding: 1.2rem 1.3rem;
  border: 1px solid rgba(21, 101, 255, 0.14);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(90deg, rgba(21, 101, 255, 0.06), transparent 42%),
    #fff;
  box-shadow: var(--shadow-sm);
}

.stack-applied__eyebrow {
  color: var(--color-electric);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.stack-applied__body {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.stack-applied__name {
  color: var(--color-navy);
  font-size: 1.25rem;
  font-weight: 700;
}

.stack-applied__tags {
  margin-top: 0.2rem;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* ==========================================================================
   Certificaciones
   ========================================================================== */

.certs {
  padding: 5.5rem 0;
  background-color: var(--color-bg);
}

.certs__grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
  gap: 1rem;
  align-items: stretch;
}

.cert-card {
  display: flex;
  align-items: flex-start;
  gap: 0.95rem;
  height: 100%;
  padding: 1.2rem 1.15rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.cert-card:hover {
  transform: translateY(-3px);
  border-color: rgba(21, 101, 255, 0.16);
  box-shadow: var(--shadow-md);
}

.cert-card--featured {
  background: linear-gradient(180deg, #ffffff 0%, #f4f8ff 100%);
  border-color: rgba(21, 101, 255, 0.16);
  box-shadow: 0 10px 24px rgba(21, 101, 255, 0.06);
}

.cert-card__icon {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--color-electric-soft);
  color: var(--color-electric);
  font-size: 1.15rem;
}

.cert-card__title {
  color: var(--color-navy);
  font-size: 1.02rem;
  line-height: 1.35;
}

.cert-card__org {
  margin-top: 0.3rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* ==========================================================================
   Animaciones
   ========================================================================== */

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.js .js-reveal:not(.is-visible) {
  opacity: 0;
  transform: translateY(16px);
}

.js .js-reveal {
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.js .js-reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero__content,
  .hero__visual,
  .hero__orbit,
  .hero__orbit--inner,
  .btn,
  .social-link,
  .site-nav__link::after {
    animation: none;
    transition: none;
  }

  .btn:hover,
  .social-link:hover,
  .project-featured:hover,
  .project-card:hover {
    transform: none;
  }

  .project-featured,
  .project-card,
  .focus-panel__list li,
  .timeline__card,
  .stack-panel,
  .cert-card,
  .js .js-reveal {
    transition: none;
  }

  .focus-panel__list li:hover,
  .timeline__card:hover,
  .timeline__link,
  .stack-panel:hover,
  .cert-card:hover {
    transform: none;
  }

  .js .js-reveal:not(.is-visible) {
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .nav-toggle {
    display: inline-block;
    z-index: 120;
  }

  .site-nav {
    position: absolute;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 1.25rem;
    padding: 1.25rem var(--space) 1.5rem;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
  }

  .site-nav__link {
    display: block;
    padding: 0.75rem 0.15rem;
    font-size: 1rem;
  }

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

  .hero__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero__content {
    max-width: none;
  }

  .hero__visual {
    order: 1;
    min-height: 18rem;
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 5rem;
  }

  .brand__tagline {
    letter-spacing: 0.04em;
  }

  .hero {
    padding: 3rem 0 4rem;
    min-height: auto;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .hero__visual {
    min-height: 16rem;
  }

  .hero__portrait {
    width: min(78%, 17.5rem);
  }

  .projects {
    padding: 4rem 0;
  }

  .project-featured {
    padding: 1.15rem;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }

  .project-featured__actions .btn {
    width: 100%;
  }

  .about,
  .education,
  .experience,
  .tech,
  .certs {
    padding: 4rem 0;
  }

  .focus-panel__list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .about__grid,
  .project-featured {
    grid-template-columns: 1fr;
  }

  .timeline--experience::before {
    top: 2.35rem;
    left: 1.2rem;
  }

  .timeline--experience .timeline__item {
    grid-template-columns: 2.5rem minmax(0, 1fr);
  }

  .timeline--experience .timeline__period {
    grid-column: 1 / -1;
    padding-top: 0;
  }

  .project-upcoming,
  .stack__grid,
  .certs__grid {
    grid-template-columns: 1fr;
  }

  .stack-applied .btn {
    width: 100%;
  }
}

@media (min-width: 641px) and (max-width: 900px) {
  .project-upcoming,
  .stack__grid,
  .certs__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-upcoming li:last-child,
  .certs__grid li:first-child {
    grid-column: 1 / -1;
  }
}