/* =============================================================
   M. Gabriela Puga — Portfolio
   Paleta: verde petróleo (teal) + dorado suave sobre fondos cálidos
   Tipografía (sans): Space Grotesk (títulos) · Figtree (texto) · IBM Plex Mono (etiquetas)
   ============================================================= */

/* ---------- Tokens de diseño ---------- */
:root {
  /* Paleta (monocromática en teals) */
  --primary:     #1b3a4b;  /* principal — fondos oscuros y títulos */
  --secondary:   #3d6b80;  /* secundario — enlaces y texto de acento */
  --accent:      #7db9b6;  /* acento aqua — rellenos, líneas, sobre oscuro */
  --accent-deep: #5aa3a0;  /* acento más oscuro para hover de rellenos */
  --bg:          #f7f9f9;  /* fondo base */
  --bg-soft:     #eaf1f2;  /* fondo suave (secciones alternas) */
  --paper:       #ffffff;  /* tarjetas */
  --ink:         #1d2528;  /* texto principal */
  --muted:       #66777d;  /* texto secundario */
  --line:        rgba(27, 58, 75, 0.14);
  --line-soft:   rgba(27, 58, 75, 0.08);

  /* Aliases semánticos usados por el resto del CSS */
  --teal-900: var(--primary);
  --teal-800: #244b5f;     /* títulos (algo más claro que principal) */
  --teal-700: var(--secondary);
  --teal-500: #4e8c97;
  --gold:     var(--accent);      /* acento decorativo (líneas/rellenos) */
  --gold-600: var(--secondary);   /* texto de acento sobre fondo claro (mejor contraste) */
  --cream:    var(--bg);
  --sand:     var(--bg-soft);

  /* Tipografía (100% sans-serif, sin itálicas) */
  --font-display: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  /* Medidas */
  --wrap: 1120px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 18px 40px -24px rgba(12, 59, 60, 0.35);
  --shadow-soft: 0 10px 24px -18px rgba(12, 59, 60, 0.3);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 92px; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.97rem + 0.15vw, 1.075rem);
  line-height: 1.65;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: var(--teal-700); text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

/* Contenedor central */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------- Elementos tipográficos base ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin: 0 0 1rem;
  display: inline-block;
}
.eyebrow--onDark { color: var(--accent); }

.section__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.7rem, 1.2rem + 2vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--teal-800);
  margin: 0 0 1rem;
}
.section__title--onDark { color: #eef5f5; }

/* =============================================================
   HEADER / NAV
   ============================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 249, 249, 0.82);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line-soft);
  box-shadow: 0 6px 20px -18px rgba(12, 59, 60, 0.5);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand { display: inline-flex; align-items: center; gap: 0.7rem; }
.brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: var(--teal-800);
  color: var(--cream);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}
.brand__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--teal-800);
}

.nav { display: flex; align-items: center; gap: 0.35rem; }
.nav__link {
  position: relative;
  padding: 0.5rem 0.85rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  border-radius: 8px;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 0.32rem;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}
.nav__link:hover { color: var(--teal-700); }
.nav__link.is-active::after,
.nav__link:hover::after { transform: scaleX(1); }

.nav__link--cta {
  margin-left: 0.4rem;
  background: var(--teal-800);
  color: var(--cream);
}
.nav__link--cta::after { content: none; }
.nav__link--cta:hover { background: var(--teal-700); color: #fff; }

/* Botón hamburguesa (oculto en escritorio) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle__bar {
  height: 2px;
  width: 100%;
  background: var(--teal-800);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}
.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; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================================
   HERO
   ============================================================= */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 100% at 85% -10%, #2b5a70 0%, transparent 55%),
    linear-gradient(160deg, var(--primary), #142d3a 70%);
  color: #eef4f0;
}
.hero__thread {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 130px;                 /* franja inferior; la línea vive solo aquí */
  color: rgba(125, 185, 182, 0.34);
  pointer-events: none;
}
.hero__thread circle { fill: rgba(125, 185, 182, 0.85); }
.hero__thread-line--soft { color: rgba(125, 185, 182, 0.2); }

.hero__inner {
  position: relative;
  /* más aire abajo para que la línea quede debajo de los botones, sin cruzarlos */
  padding-top: clamp(4.5rem, 4rem + 6vw, 8rem);
  padding-bottom: clamp(9rem, 7rem + 5vw, 11rem);
  max-width: 780px;
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.8rem, 1.8rem + 5vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0.4rem 0 0;
  color: #ffffff;
}
.hero__subtitle {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.15rem, 1rem + 0.9vw, 1.55rem);
  line-height: 1.3;
  color: var(--accent);
  margin: 1.1rem 0 0;
  max-width: 40ch;
}
.hero__text {
  margin: 1.6rem 0 0;
  max-width: 62ch;
  color: rgba(238, 244, 240, 0.86);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.4rem;
}

/* =============================================================
   BOTONES
   ============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease),
              color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--gold {
  background: var(--accent);
  color: var(--ink);
}
.btn--gold:hover { background: var(--accent-deep); }

.btn--ghost {
  background: transparent;
  color: #eef4f0;
  border-color: rgba(238, 244, 240, 0.35);
}
.btn--ghost:hover { border-color: var(--accent); color: #ffffff; }

/* Botones sobre fondo claro (sección contacto) */
.contact__actions .btn--ghost {
  color: var(--teal-700);
  border-color: var(--line);
}
.contact__actions .btn--ghost:hover { border-color: var(--accent); color: var(--secondary); }

/* =============================================================
   SECCIONES (base)
   ============================================================= */
.section { padding-block: clamp(4rem, 3rem + 6vw, 7rem); }
.section--alt { background: var(--sand); }

.section__head {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: 3.2rem;
}
.section__head--left { text-align: left; margin-inline: 0; }
.section__lead {
  color: var(--muted);
  font-size: 1.08rem;
  margin: 0;
}

/* =============================================================
   CARDS "QUÉ HAGO"
   ============================================================= */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
}
.card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 2rem 1.9rem 1.9rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--gold);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.35s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--line);
}
.card:hover::before { transform: scaleY(1); }
.card__index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gold-600);
  letter-spacing: 0.05em;
}
.card__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.28rem;
  line-height: 1.18;
  color: var(--teal-800);
  margin: 0.6rem 0 0.6rem;
}
.card__text { color: var(--muted); margin: 0; }

/* Áreas de trabajo (tags) */
.areas { margin-top: 3.4rem; text-align: center; }
.tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 0.3rem;
}
.tag {
  padding: 0.5rem 1rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--teal-700);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.tag:hover {
  background: var(--teal-800);
  color: var(--cream);
  border-color: var(--teal-800);
}

/* =============================================================
   PROYECTOS
   ============================================================= */
.projects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.project {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.project:hover { transform: translateY(-5px); box-shadow: var(--shadow); }

/* Placeholder de imagen: bloque con textura sutil teal/dorado */
.project__media {
  aspect-ratio: 16 / 10;
  position: relative;
  background:
    linear-gradient(135deg, var(--teal-800), var(--teal-500));
}
.project__media::after {
  /* etiqueta del área, tomada del atributo data-label */
  content: attr(data-label);
  position: absolute;
  left: 1rem;
  bottom: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  padding: 0.3rem 0.6rem;
  background: rgba(12, 59, 60, 0.4);
  border-radius: 6px;
  backdrop-filter: blur(2px);
}
.project__media::before {
  /* patrón de puntos tenue */
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1.4px);
  background-size: 18px 18px;
  opacity: 0.5;
}
img.project__media { object-fit: cover; }

.project__body { padding: 1.5rem 1.5rem 1.7rem; display: flex; flex-direction: column; flex: 1; }
.project__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.22rem;
  line-height: 1.2;
  color: var(--teal-800);
  margin: 0 0 0.6rem;
}
.project__text { color: var(--muted); margin: 0 0 1.2rem; font-size: 0.98rem; }
.project__cta {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-600);
  padding-top: 0.4rem;
  border-top: 1px solid var(--line-soft);
  width: 100%;
}
.project__cta--soon { color: var(--muted); }

/* =============================================================
   PUBLICACIONES
   ============================================================= */
.pub__wrap { max-width: 900px; }
.pub-list { margin-top: 2rem; border-top: 1px solid var(--line); }
.pub {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1.5rem;
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s var(--ease);
}
.pub:hover { background: rgba(125, 185, 182, 0.09); }
.pub__kind {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin: 0.2rem 0 0;
}
.pub__text { margin: 0; color: var(--ink); }
.pub__text strong { color: var(--teal-800); font-weight: 600; }

/* =============================================================
   SOBRE MÍ (fondo teal)
   ============================================================= */
.section--about {
  background:
    radial-gradient(110% 90% at 90% 0%, #2b5a70 0%, transparent 55%),
    linear-gradient(160deg, var(--primary), #142d3a 75%);
  color: #eef4f0;
}
.about {
  display: grid;
  grid-template-columns: minmax(180px, 230px) 1fr;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: start;
  max-width: 980px;
}
.about__media { position: relative; }
.about__photo {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;              /* cuadrado */
  object-fit: cover;
  object-position: center 30%;      /* mantiene el rostro centrado */
  border-radius: 20px;              /* esquinas apenas redondeadas */
  border: 1px solid rgba(125, 185, 182, 0.35);
  box-shadow: var(--shadow);
}
.about__body { padding-top: 0; }
.about__body .eyebrow { display: block; margin-top: 0; line-height: 1; }
.about__title { margin: 0.35rem 0 1.3rem; }
.about__text { color: rgba(238, 244, 240, 0.88); margin: 0 0 1.1rem; }
.about__text:last-child { margin-bottom: 0; }

/* =============================================================
   CONTACTO
   ============================================================= */
.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.contact__panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.2rem;
  box-shadow: var(--shadow-soft);
}
.contact__data { display: grid; gap: 1.2rem; margin-bottom: 1.8rem; }
.contact__data li { display: grid; gap: 0.2rem; }
.contact__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-600);
}
.contact__value { font-size: 1.05rem; color: var(--ink); font-weight: 500; }
a.contact__value:hover { color: var(--teal-700); text-decoration: underline; }
.contact__actions { display: flex; flex-wrap: wrap; gap: 0.7rem; }

/* =============================================================
   FOOTER
   ============================================================= */
.site-footer {
  background: var(--teal-900);
  color: rgba(238, 244, 240, 0.75);
  padding-block: 2.4rem;
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
}
.footer__text { margin: 0; font-size: 0.92rem; }
.footer__meta { margin: 0; font-size: 0.85rem; color: rgba(238, 244, 240, 0.5); font-family: var(--font-mono); }

/* =============================================================
   ANIMACIÓN DE APARICIÓN (reveal al hacer scroll)
   ============================================================= */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 900px) {
  .projects { grid-template-columns: repeat(2, 1fr); }
  .contact { grid-template-columns: 1fr; }
  .about { grid-template-columns: 1fr; gap: 1.5rem; }
  .about__media { max-width: 180px; }
}

@media (max-width: 760px) {
  /* Nav móvil */
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--cream);
    border-bottom: 1px solid var(--line);
    padding: 0.75rem 1.25rem 1.25rem;
    box-shadow: 0 20px 30px -20px rgba(12, 59, 60, 0.4);
    transform: translateY(-120%);
    transition: transform 0.35s var(--ease);
  }
  .nav.is-open { transform: translateY(0); }
  .nav__link { padding: 0.85rem 0.5rem; border-radius: 0; }
  .nav__link::after { content: none; }
  .nav__link--cta { margin: 0.6rem 0 0; text-align: center; padding: 0.85rem; }

  .cards { grid-template-columns: 1fr; }
  .projects { grid-template-columns: 1fr; }
  .pub { grid-template-columns: 1fr; gap: 0.4rem; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}

/* Respeta la preferencia de menos movimiento */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover, .card:hover, .project:hover { transform: none; }
}

/* Foco visible para navegación por teclado */
a:focus-visible, .btn:focus-visible, .nav-toggle:focus-visible, .tag:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}