/* ==========================================================================
   components.css — Cabecera, hero, secciones, tarjetas, skills, contacto
   ========================================================================== */

/* ---------- Barra de progreso de scroll ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 100%; z-index: 60;
  background: var(--grad); transform: scaleX(0); transform-origin: left;
}

/* ---------- Cabecera / navegación ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; height: var(--header-h); z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
          backdrop-filter: blur(14px) saturate(140%);
  border-color: var(--border);
}
.site-header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.logo { display: inline-flex; align-items: center; font-family: var(--font-mono); font-weight: 700; font-size: 1.05rem; letter-spacing: -0.02em; }
.logo__brace { color: var(--accent); }
.logo__dot { color: var(--muted); }

.nav__list { display: flex; gap: 0.2rem; }
.nav__link {
  display: block; padding: 0.5rem 0.95rem; border-radius: 999px; font-size: 0.92rem; color: var(--text-soft);
  transition: color 0.25s, background 0.25s;
}
.nav__link:hover, .nav__link.is-active { color: var(--text); background: rgba(var(--accent-rgb), 0.1); }
.nav__link.is-active { box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb), 0.25); }

.header-actions { display: flex; align-items: center; gap: 0.5rem; }
.icon-btn {
  width: 40px; height: 40px; display: grid; place-items: center; cursor: pointer;
  border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text-soft);
  transition: color 0.25s, border-color 0.25s, transform 0.25s var(--ease);
}
.icon-btn:hover { color: var(--accent); border-color: rgba(var(--accent-rgb), 0.5); }
.icon-btn svg { width: 19px; height: 19px; }

.theme-toggle .i-sun { display: none; }
[data-theme="light"] .theme-toggle .i-sun { display: block; }
[data-theme="light"] .theme-toggle .i-moon { display: none; }

.burger { display: none; position: relative; }
.burger span {
  position: absolute; left: 11px; right: 11px; height: 2px; border-radius: 2px; background: currentColor;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.burger span:nth-child(1) { top: 14px; }
.burger span:nth-child(2) { top: 19px; }
.burger span:nth-child(3) { top: 24px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 860px) {
  .burger { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; padding: 1rem 1.25rem 1.6rem;
    background: color-mix(in srgb, var(--bg) 96%, transparent);
    -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    opacity: 0; visibility: hidden; transform: translateY(-12px);
    transition: opacity 0.3s, transform 0.3s var(--ease), visibility 0.3s;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__list { flex-direction: column; gap: 0.2rem; }
  .nav__link { padding: 0.95rem 1rem; font-size: 1.05rem; border-radius: 12px; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding: calc(var(--header-h) + 2rem) 0 4rem; overflow: hidden;
}
.hero__canvas {
  position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: 0.75;
  -webkit-mask-image: linear-gradient(#000 55%, transparent);
          mask-image: linear-gradient(#000 55%, transparent);
}
.hero__grid {
  position: relative; z-index: 1; display: grid; gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: 1.1fr 0.9fr; align-items: center;
}
@media (max-width: 960px) { .hero__grid { grid-template-columns: 1fr; } }

.pill {
  display: inline-flex; align-items: center; gap: 0.6rem; padding: 0.4rem 0.9rem 0.4rem 0.7rem; margin-bottom: 1.5rem;
  border-radius: 999px; border: 1px solid var(--border); background: var(--surface);
  font-family: var(--font-mono); font-size: 0.76rem; color: var(--text-soft);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.pill__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.6); animation: pulse 2.2s infinite; }

.hero__title { font-size: clamp(2.8rem, 8.2vw, 5.6rem); line-height: 1.02; letter-spacing: -0.04em; font-weight: 800; }
.hero__title small { display: block; font-size: 0.32em; letter-spacing: 0.02em; font-weight: 500; color: var(--muted); font-family: var(--font-mono); margin-bottom: 0.7rem; }

.hero__subtitle { margin-top: 1.4rem; font-size: clamp(1.1rem, 2.4vw, 1.5rem); color: var(--text-soft); min-height: 2.9em; max-width: 30ch; }
.typed { color: var(--text); font-weight: 600; }
.caret { display: inline-block; width: 2px; height: 1.1em; margin-left: 3px; vertical-align: -0.15em; background: var(--accent); animation: blink 1s steps(2) infinite; }

.hero__cta { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.8rem; }

.stats { display: flex; flex-wrap: wrap; gap: 1.2rem 2.4rem; margin-top: 2.8rem; padding-top: 1.6rem; border-top: 1px solid var(--border); }
.stat__value { display: block; font-family: var(--font-mono); font-size: 1.5rem; font-weight: 700; color: var(--text); }
.stat__label { font-size: 0.82rem; color: var(--muted); }

/* Terminal decorativa */
.terminal {
  position: relative; border-radius: var(--radius); border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-solid) 88%, transparent);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  box-shadow: var(--shadow-glow), 0 30px 60px -30px rgba(0, 0, 0, 0.6);
  animation: float 7s ease-in-out infinite;
}
.terminal::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, rgba(var(--accent-rgb), 0.6), transparent 40%, rgba(167, 139, 250, 0.4));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
          mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
}
.terminal__bar { display: flex; align-items: center; gap: 0.45rem; padding: 0.85rem 1rem; border-bottom: 1px solid var(--border); }
.terminal__bar i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.terminal__bar i:nth-child(2) { background: #febc2e; }
.terminal__bar i:nth-child(3) { background: #28c840; }
.terminal__bar span { margin-left: 0.6rem; font-family: var(--font-mono); font-size: 0.75rem; color: var(--muted); }
.terminal__code { margin: 0; padding: 1.2rem 1.3rem 1.4rem; overflow-x: auto; font-family: var(--font-mono); font-size: clamp(0.72rem, 1.6vw, 0.84rem); line-height: 1.75; color: var(--text-soft); }
.terminal__code .kw { color: var(--code-kw); }
.terminal__code .fn { color: var(--code-fn); }
.terminal__code .str { color: var(--code-str); }
.terminal__code .num { color: var(--code-num); }
.terminal__code .cm { color: var(--code-cm); font-style: italic; }
@media (max-width: 960px) { .terminal { max-width: 560px; } }

/* ---------- Sobre mí ---------- */
.about__grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
@media (max-width: 900px) { .about__grid { grid-template-columns: 1fr; } }
.about__text { display: grid; gap: 1.1rem; color: var(--text-soft); font-size: 1.06rem; }
.about__text strong { color: var(--text); font-weight: 600; }

.principles { display: grid; gap: 0.9rem; }
.principle {
  display: flex; gap: 1rem; padding: 1.15rem 1.2rem; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--surface);
  transition: border-color 0.3s, transform 0.4s var(--ease);
}
.principle:hover { border-color: rgba(var(--accent-rgb), 0.45); transform: translateX(6px); }
.principle__icon {
  flex: none; width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px;
  color: var(--accent); background: rgba(var(--accent-rgb), 0.1);
}
.principle__icon svg { width: 22px; height: 22px; }
.principle h3 { font-size: 1.02rem; margin-bottom: 0.2rem; }
.principle p { font-size: 0.93rem; color: var(--muted); line-height: 1.55; }

/* ---------- Proyectos ---------- */
.projects__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
@media (max-width: 760px) { .projects__grid { grid-template-columns: 1fr; } }

.card {
  --mx: 50%; --my: 50%; --rx: 0deg; --ry: 0deg;
  position: relative; display: flex; flex-direction: column; gap: 1rem; height: 100%;
  padding: 1.7rem; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); overflow: hidden;
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));
  transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s;
}
.card::before { /* foco de luz que sigue al cursor */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity 0.35s;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(var(--accent-rgb), 0.16), transparent 45%);
}
.card:hover { border-color: rgba(var(--accent-rgb), 0.45); box-shadow: var(--shadow-glow); }
.card:hover::before { opacity: 1; }
.card > * { position: relative; }

.card__top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.card__icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; color: var(--accent); background: rgba(var(--accent-rgb), 0.1); border: 1px solid rgba(var(--accent-rgb), 0.2); }
.card__icon svg { width: 24px; height: 24px; }
.card h3 { font-size: 1.28rem; letter-spacing: -0.015em; line-height: 1.25; }
.card p { color: var(--text-soft); font-size: 0.97rem; }
.card .tags { margin-top: auto; padding-top: 0.4rem; }

.badge { font-family: var(--font-mono); font-size: 0.7rem; padding: 0.3rem 0.65rem; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.badge--live { color: #34d399; border-color: rgba(52, 211, 153, 0.35); background: rgba(52, 211, 153, 0.08); }
.badge--live::before { content: "● "; font-size: 0.6rem; }
.badge--soon { color: var(--accent-3); border-color: rgba(167, 139, 250, 0.35); background: rgba(167, 139, 250, 0.08); }

.card__links { display: flex; flex-wrap: wrap; gap: 1.2rem; font-size: 0.9rem; font-weight: 600; }
.card__link { display: inline-flex; align-items: center; gap: 0.35rem; color: var(--accent); }
.card__link svg { width: 15px; height: 15px; transition: transform 0.3s var(--ease); }
.card__link:hover svg { transform: translate(2px, -2px); }

/* ---------- Habilidades ---------- */
.skills__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
@media (max-width: 960px) { .skills__grid { grid-template-columns: 1fr; } }

.skill-group {
  --mx: 50%; --my: 50%;
  position: relative; padding: 1.6rem; border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--surface); overflow: hidden; height: 100%;
  transition: border-color 0.35s;
}
.skill-group::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity 0.35s;
  background: radial-gradient(360px circle at var(--mx) var(--my), rgba(var(--accent-rgb), 0.14), transparent 45%);
}
.skill-group:hover { border-color: rgba(var(--accent-rgb), 0.4); }
.skill-group:hover::before { opacity: 1; }
.skill-group > * { position: relative; }
.skill-group__head { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 1.3rem; }
.skill-group__head svg { width: 26px; height: 26px; color: var(--accent); }
.skill-group__head h3 { font-size: 1.15rem; }

.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
  font-size: 0.86rem; padding: 0.45rem 0.8rem; border-radius: 10px; color: var(--text);
  background: rgba(var(--accent-rgb), 0.09); border: 1px solid rgba(var(--accent-rgb), 0.28);
  transition: transform 0.3s var(--ease), background 0.3s, border-color 0.3s;
}
.chip:hover { transform: translateY(-2px); background: rgba(var(--accent-rgb), 0.18); border-color: var(--accent); }
.chip--learning { background: transparent; border-style: dashed; border-color: var(--border); color: var(--text-soft); }

.legend { display: flex; flex-wrap: wrap; gap: 1.4rem; margin-top: 1.6rem; font-size: 0.82rem; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 0.5rem; }
.legend i { width: 14px; height: 14px; border-radius: 4px; background: rgba(var(--accent-rgb), 0.2); border: 1px solid rgba(var(--accent-rgb), 0.5); }
.legend i.dashed { background: transparent; border: 1px dashed var(--muted); }

/* ---------- Contacto ---------- */
.contact__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
@media (max-width: 900px) { .contact__grid { grid-template-columns: 1fr; } }

.contact__links { display: grid; gap: 0.8rem; margin-top: 2rem; }
.contact-link {
  display: flex; align-items: center; gap: 0.9rem; padding: 0.95rem 1.1rem; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--surface); cursor: pointer; text-align: left; width: 100%;
  transition: border-color 0.3s, transform 0.4s var(--ease);
}
.contact-link:hover { border-color: rgba(var(--accent-rgb), 0.5); transform: translateX(6px); }
.contact-link svg { width: 22px; height: 22px; color: var(--accent); flex: none; }
.contact-link small { display: block; font-size: 0.78rem; color: var(--muted); line-height: 1.3; }
.contact-link span { font-weight: 500; font-size: 0.95rem; }

.form { display: grid; gap: 1.1rem; padding: clamp(1.4rem, 3vw, 2rem); border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
@media (max-width: 560px) { .form__row { grid-template-columns: 1fr; } }
.field { display: grid; gap: 0.45rem; }
.field label { font-size: 0.85rem; font-weight: 500; color: var(--text-soft); }
.field input, .field textarea {
  width: 100%; padding: 0.85rem 1rem; border-radius: 12px; font: inherit; color: var(--text);
  background: color-mix(in srgb, var(--bg) 60%, transparent); border: 1px solid var(--border);
  transition: border-color 0.25s, box-shadow 0.25s;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--muted); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.15); }
.field input:user-invalid, .field textarea:user-invalid { border-color: #f87171; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form__status { min-height: 1.4em; font-size: 0.92rem; }
.form__status.is-ok { color: #34d399; }
.form__status.is-error { color: #f87171; }
.form .btn { justify-self: start; }

/* ---------- Footer ---------- */
.footer { padding: 2.2rem 0; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.88rem; }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.footer a:hover { color: var(--accent); }