/*
 * Portfolio — Pablo Martínez Sepúlveda
 * Hero oscuro · Secciones claras · Plus Jakarta Sans
 */

:root {
  /* Hero zone */
  --hero-bg:    #0B1120;
  --hero-text:  #F1F5F9;
  --hero-muted: #94A3B8;
  --hero-line:  rgba(148, 163, 184, 0.12);

  /* Body zone */
  --bg:         #FFFFFF;
  --bg-alt:     #F8FAFC;
  --bg-card:    #FFFFFF;
  --text:       #0F172A;
  --muted:      #64748B;
  --faint:      #94A3B8;
  --border:     #E2E8F0;
  --border-h:   #CBD5E1;

  /* Accent — sky */
  --sky:        #0EA5E9;
  --sky-dark:   #0284C7;
  --sky-bg:     rgba(14, 165, 233, 0.08);
  --sky-border: rgba(14, 165, 233, 0.22);

  /* Secondary — violet */
  --violet:        #8B5CF6;
  --violet-bg:     rgba(139, 92, 246, 0.08);
  --violet-border: rgba(139, 92, 246, 0.22);

  /* Status */
  --green: #10B981;

  --radius:    0.75rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.75rem;
  --max:       72rem;
  --nav-h:     4.25rem;
  --font:      "Plus Jakarta Sans", system-ui, sans-serif;
  --ease:      cubic-bezier(0.4, 0, 0.2, 1);
  --t:         0.2s;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

body.portfolio {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── Skip ── */
.portfolio-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--sky);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  border-radius: 0 0 var(--radius) 0;
}
.portfolio-skip:focus { left: 0; }

/* ── Nav (siempre oscura) ── */
.portfolio-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--nav-h);
  background: rgba(11, 17, 32, 0.90);
  backdrop-filter: blur(18px) saturate(1.5);
  border-bottom: 1px solid var(--hero-line);
}

.portfolio-nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.portfolio-nav__brand {
  font-family: var(--font);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--hero-text);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.portfolio-nav__brand::before {
  content: "/";
  color: var(--sky);
  font-weight: 700;
}

.portfolio-nav__links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.portfolio-nav__links a {
  color: var(--hero-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.45rem 0.85rem;
  border-radius: 2rem;
  transition: color var(--t) var(--ease), background var(--t) var(--ease);
}

.portfolio-nav__links a:hover,
.portfolio-nav__links a:focus-visible {
  color: var(--hero-text);
  background: rgba(255, 255, 255, 0.07);
}

.portfolio-nav__cta {
  background: var(--sky) !important;
  color: #fff !important;
  font-weight: 700 !important;
  border-radius: 2rem !important;
}

.portfolio-nav__cta:hover { background: var(--sky-dark) !important; }

@media (max-width: 768px) {
  .portfolio-nav__links a:not(.portfolio-nav__cta) { display: none; }
}

/* ── Hero ── */
.portfolio-hero {
  position: relative;
  background: var(--hero-bg);
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 4rem) 1.5rem 5rem;
  overflow: hidden;
}

.portfolio-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.portfolio-hero__bg::before {
  content: "";
  position: absolute;
  top: -10%;
  right: 5%;
  width: 55vw;
  height: 55vw;
  max-width: 700px;
  max-height: 700px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.10) 0%, transparent 65%);
  border-radius: 50%;
}

.portfolio-hero__bg::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40vw;
  height: 40vw;
  max-width: 500px;
  max-height: 500px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.07) 0%, transparent 65%);
  border-radius: 50%;
}

.portfolio-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--hero-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--hero-line) 1px, transparent 1px);
  background-size: 3.5rem 3.5rem;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, transparent 75%);
}

/* Hero — layout dos columnas */
.portfolio-hero__inner {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 5rem;
  align-items: center;
}

@media (max-width: 960px) {
  .portfolio-hero__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.portfolio-hero__content { min-width: 0; }

/* Foto */
.portfolio-hero__photo {
  display: flex;
  justify-content: center;
  align-items: center;
}

.portfolio-hero__photo-img {
  width: 100%;
  max-width: 320px;
  height: 420px;
  object-fit: cover;
  object-position: center top;
  border-radius: 1.5rem;
  box-shadow:
    0 30px 60px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.06);
  display: block;
  mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
}

@media (max-width: 960px) {
  .portfolio-hero__photo { order: -1; }

  .portfolio-hero__photo-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    max-width: none;
    object-position: center top;
  }
}

/* Badge disponibilidad */
.portfolio-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: rgba(16, 185, 129, 0.10);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 2rem;
  font-size: 0.79rem;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 1.75rem;
  letter-spacing: 0.01em;
}

.portfolio-hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: pulse-dot 2.2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.25; }
}

.portfolio-hero__name {
  font-family: var(--font);
  font-weight: 800;
  font-size: clamp(2.8rem, 9vw, 5.5rem);
  line-height: 1.0;
  letter-spacing: -0.04em;
  margin: 0 0 1rem;
  color: var(--hero-text);
}

.portfolio-hero__title {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  font-weight: 500;
  color: var(--sky);
  margin: 0 0 0.65rem;
  letter-spacing: -0.01em;
}

.portfolio-hero__subtitle {
  font-size: 1rem;
  color: var(--hero-muted);
  margin: 0 0 2.5rem;
  max-width: 34rem;
  line-height: 1.7;
}

.portfolio-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--hero-line);
}

.portfolio-hero__stat-num {
  display: block;
  font-weight: 800;
  font-size: 2rem;
  letter-spacing: -0.04em;
  color: var(--sky);
  line-height: 1.05;
}

.portfolio-hero__stat-label {
  display: block;
  font-size: 0.78rem;
  color: var(--hero-muted);
  margin-top: 0.15rem;
  font-weight: 500;
}

.portfolio-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* ── Botones ── */
.portfolio-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.85rem;
  border-radius: 2rem;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--t) var(--ease);
}

.portfolio-btn:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 3px;
}

.portfolio-btn--primary {
  background: var(--sky);
  color: #fff;
  border-color: var(--sky);
}

.portfolio-btn--primary:hover {
  background: var(--sky-dark);
  border-color: var(--sky-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.35);
}

/* Ghost en hero (fondo oscuro) */
.portfolio-btn--ghost {
  background: transparent;
  color: var(--hero-text);
  border-color: rgba(148, 163, 184, 0.28);
}

.portfolio-btn--ghost:hover {
  border-color: rgba(148, 163, 184, 0.55);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-1px);
}

/* Ghost en secciones claras */
.portfolio-section .portfolio-btn--ghost {
  color: var(--text);
  border-color: var(--border);
}

.portfolio-section .portfolio-btn--ghost:hover {
  border-color: var(--border-h);
  background: var(--bg-alt);
}

/* ── Secciones (claras) ── */
.portfolio-section {
  padding: 5.5rem 1.5rem;
  background: var(--bg);
}

.portfolio-section--alt { background: var(--bg-alt); }

.portfolio-section--contact {
  background: var(--bg-alt);
  padding-bottom: 7rem;
}

.portfolio-section__inner {
  max-width: var(--max);
  margin: 0 auto;
}

.portfolio-section__inner--narrow {
  max-width: 42rem;
  text-align: center;
}

.portfolio-section__header { margin-bottom: 3rem; }

.portfolio-section__label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sky);
  margin-bottom: 0.55rem;
}

.portfolio-section__inner--narrow .portfolio-section__label {
  display: block;
}

.portfolio-section__title {
  font-family: var(--font);
  font-weight: 800;
  font-size: clamp(1.85rem, 4vw, 2.55rem);
  letter-spacing: -0.03em;
  margin: 0;
  line-height: 1.1;
  color: var(--text);
}

/* ── Sobre mí ── */
.portfolio-about {
  display: grid;
  gap: 3.5rem;
  align-items: start;
}

@media (min-width: 900px) {
  .portfolio-about { grid-template-columns: 1fr 300px; }
}

.portfolio-about__lead {
  font-size: 1.12rem;
  line-height: 1.75;
  color: var(--text);
  margin: 0 0 1.75rem;
  font-weight: 500;
}

.portfolio-about__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.portfolio-about__points li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--muted);
  font-size: 0.97rem;
}

.portfolio-about__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--sky);
}

.portfolio-about__values { display: grid; gap: 1rem; }

.portfolio-value-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.portfolio-value-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--sky), var(--violet));
}

.portfolio-value-card:hover {
  border-color: var(--border-h);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.portfolio-value-card__title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  margin: 0 0 0.3rem;
}

.portfolio-value-card__desc {
  font-size: 0.86rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.55;
}

/* ── Empresa ── */
.portfolio-company {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.portfolio-company__name {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
  margin: 0 0 0.15rem;
  letter-spacing: -0.02em;
}

.portfolio-company__role {
  font-size: 0.88rem;
  color: var(--muted);
  margin: 0;
}

.portfolio-company__period {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--sky);
  white-space: nowrap;
}

/* ── Tarjetas proyecto ── */
.portfolio-cases {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .portfolio-cases { grid-template-columns: repeat(2, 1fr); }
}

.portfolio-case {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.portfolio-case::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2.5px;
  background: linear-gradient(90deg, var(--sky), var(--violet));
  opacity: 0;
  transition: opacity var(--t) var(--ease);
}

.portfolio-case:hover {
  border-color: var(--sky-border);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(14, 165, 233, 0.10);
}

.portfolio-case:hover::before { opacity: 1; }

#proyectos .portfolio-case::before {
  background: linear-gradient(90deg, var(--violet), var(--sky));
}

#proyectos .portfolio-case:hover {
  border-color: var(--violet-border);
  box-shadow: 0 12px 32px rgba(139, 92, 246, 0.10);
}

.portfolio-case__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.portfolio-case__title {
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0;
  color: var(--text);
  letter-spacing: -0.02em;
}

.portfolio-case__tag {
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--sky);
  background: var(--sky-bg);
  padding: 0.25rem 0.7rem;
  border-radius: 2rem;
  white-space: nowrap;
  flex-shrink: 0;
  border: 1px solid var(--sky-border);
  margin-top: 0.2rem;
}

#proyectos .portfolio-case__tag {
  color: var(--violet);
  background: var(--violet-bg);
  border-color: var(--violet-border);
}

.portfolio-case__desc {
  color: var(--muted);
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
  line-height: 1.65;
}

.portfolio-case__impact {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.portfolio-case__stat { display: flex; flex-direction: column; gap: 0.1rem; }

.portfolio-case__metric {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--sky);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.portfolio-case__metric-label {
  font-size: 0.78rem;
  color: var(--muted);
}

/* ── Skills ── */
.portfolio-skills {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px)  { .portfolio-skills { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .portfolio-skills { grid-template-columns: repeat(4, 1fr); } }

.portfolio-skill-group {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.portfolio-skill-group:hover {
  border-color: var(--sky-border);
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.08);
}

.portfolio-skill-group__title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 1rem;
  color: var(--sky);
}

.portfolio-skill-group__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.portfolio-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.75rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 2rem;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 500;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.portfolio-pill:hover {
  color: var(--sky-dark);
  border-color: var(--sky-border);
  background: var(--sky-bg);
}

/* ── Timeline ── */
.portfolio-timeline {
  max-width: 44rem;
  position: relative;
  padding-left: 2.5rem;
}

.portfolio-timeline::before {
  content: "";
  position: absolute;
  left: 0.35rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--sky), var(--violet), transparent);
  border-radius: 1px;
}

.portfolio-timeline__item {
  position: relative;
  padding-bottom: 2.5rem;
}

.portfolio-timeline__item:last-child { padding-bottom: 0; }

.portfolio-timeline__item::before {
  content: "";
  position: absolute;
  left: -2.2rem;
  top: 0.45rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--sky);
  box-shadow: 0 0 8px rgba(14, 165, 233, 0.3);
}

.portfolio-timeline__item time {
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--sky);
  display: block;
  margin-bottom: 0.3rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.portfolio-timeline__item h3 {
  font-weight: 700;
  font-size: 1rem;
  margin: 0 0 0.3rem;
  color: var(--text);
  letter-spacing: -0.01em;
}

.portfolio-timeline__item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ── Contacto ── */
.portfolio-contact__lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin: -0.75rem 0 2.5rem;
  line-height: 1.7;
}

.portfolio-contact__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* ── Footer ── */
.portfolio-footer {
  background: var(--hero-bg);
  border-top: 1px solid var(--hero-line);
  padding: 2rem 1.5rem;
}

.portfolio-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.portfolio-footer__copy {
  font-size: 0.83rem;
  color: var(--hero-muted);
  margin: 0;
}

.portfolio-footer__links { display: flex; gap: 1.5rem; }

.portfolio-footer__links a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--hero-muted);
  text-decoration: none;
  transition: color var(--t) var(--ease);
}

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

.portfolio-footer__seal { display: none; }