/* ============================================
   Franyer López — Portafolio
   Tema: oscuro, técnico, orientado a IA
   ============================================ */

:root {
  color-scheme: dark;
  --bg: #0a0e1a;
  --bg-soft: #0f1524;
  --surface: #121a2b;
  --surface-2: #161f33;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e7ecf7;
  --text-muted: #93a0b8;
  --accent: #6c8cff;
  --accent-2: #8b5cf6;
  --accent-3: #22d3ee;
  --header-bg: rgba(10, 14, 26, 0.85);
  --shadow-color: rgba(0, 0, 0, 0.35);
  --glow-color: rgba(255, 255, 255, 0.16);
  --mesh-1: rgba(108, 140, 255, 0.35);
  --mesh-2: rgba(139, 92, 246, 0.3);
  --mesh-3: rgba(34, 211, 238, 0.22);
  --bg-mesh-1: rgba(108, 140, 255, 0.16);
  --bg-mesh-2: rgba(139, 92, 246, 0.14);
  --gradient: linear-gradient(120deg, var(--accent) 0%, var(--accent-2) 100%);
  --radius: 14px;
  --font-heading: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f3f5fb;
  --bg-soft: #ffffff;
  --surface: #ffffff;
  --surface-2: #eef1f8;
  --border: rgba(15, 23, 42, 0.1);
  --text: #10162a;
  --text-muted: #4c5468;
  --accent-3: #0e7490;
  --header-bg: rgba(255, 255, 255, 0.85);
  --shadow-color: rgba(15, 23, 42, 0.14);
  --glow-color: rgba(79, 70, 229, 0.14);
  --mesh-1: rgba(108, 140, 255, 0.28);
  --mesh-2: rgba(139, 92, 246, 0.22);
  --mesh-3: rgba(14, 116, 144, 0.18);
  --bg-mesh-1: rgba(108, 140, 255, 0.12);
  --bg-mesh-2: rgba(139, 92, 246, 0.1);
}

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
}

main {
  background:
    radial-gradient(circle at 15% 0%, var(--bg-mesh-1), transparent 45%),
    radial-gradient(circle at 85% 20%, var(--bg-mesh-2), transparent 40%),
    var(--bg);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
}

a {
  color: inherit;
}

/* ===== header / nav ===== */
header {
  height: 64px;
  width: 100%;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
}

.contenedor {
  max-width: 1100px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 20px;
  text-decoration: none;
  color: var(--text);
  letter-spacing: 0.02em;
}

.logo span {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

#menu-bar {
  display: none;
}

header label.icon-menu {
  font-size: 26px;
  cursor: pointer;
  color: var(--text);
}

.menu {
  position: absolute;
  top: 64px;
  left: 0;
  width: 100%;
  transition: all 0.3s;
  transform: translateX(-100%);
  background: var(--bg-soft);
}

.menu a {
  display: block;
  color: var(--text);
  text-decoration: none;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 500;
  text-align: center;
}

.menu a:hover {
  color: var(--accent);
}

#menu-bar:checked ~ .menu {
  transform: translateX(0%);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}

.icon-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.icon-moon {
  display: none;
}

[data-theme="light"] .icon-sun {
  display: none;
}

[data-theme="light"] .icon-moon {
  display: block;
}

/* ===== banner ===== */
#banner {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding: 190px 24px 90px;
  text-align: center;
  overflow: clip;
}

.hero-bg {
  position: absolute;
  inset: -20% -30%;
  z-index: -1;
  background:
    radial-gradient(circle at 20% 25%, var(--mesh-1), transparent 45%),
    radial-gradient(circle at 80% 20%, var(--mesh-2), transparent 45%),
    radial-gradient(circle at 50% 80%, var(--mesh-3), transparent 40%);
  filter: blur(40px);
  background-size: 200% 200%;
  animation: heroDrift 18s ease-in-out infinite alternate;
}

@keyframes heroDrift {
  0% { background-position: 0% 0%, 100% 0%, 50% 100%; }
  100% { background-position: 30% 20%, 70% 30%, 40% 70%; }
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-3);
  padding: 6px 14px;
  border: 1px solid color-mix(in srgb, var(--accent-3) 40%, transparent);
  border-radius: 999px;
  margin-bottom: 24px;
}

#banner h1 {
  font-size: clamp(38px, 6vw, 60px);
  font-weight: 700;
  margin-bottom: 14px;
}

.typewrite {
  display: inline-block;
  min-height: 1.6em;
  color: var(--text-muted);
  text-decoration: none;
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 500;
}

.typewrite > .wrap {
  border-right: 0.08em solid var(--accent-3);
}

.banner-desc {
  color: var(--text-muted);
  font-size: 17px;
  line-height: 1.6;
  margin: 26px auto 0;
  max-width: 560px;
}

.banner-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 32px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.btn-primary {
  background: var(--gradient);
  color: #0a0e1a;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(108, 140, 255, 0.35);
}

.btn-outline {
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.sociales-banner {
  margin-top: 40px;
  justify-content: center;
}

/* ===== sociales (compartido banner + footer) ===== */
.sociales {
  display: flex;
  gap: 18px;
  align-items: center;
}

.sociales a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 18px;
  text-decoration: none;
  transition: all 0.2s;
}

.sociales a:before {
  margin: 0;
}

.sociales a:hover {
  color: var(--bg);
  background: var(--gradient);
  border-color: transparent;
  transform: translateY(-2px);
}

/* ===== secciones genéricas ===== */
section#acerca,
section#habilidades {
  max-width: 1000px;
  margin: 0 auto;
  padding: 60px 24px;
}

section h2 {
  font-size: 28px;
  letter-spacing: 0.02em;
  margin-bottom: 40px;
  text-align: center;
}

/* ===== acerca ===== */
.acerca-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 44px;
  align-items: start;
}

.imagen {
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: var(--gradient);
  padding: 14px;
  box-shadow: 0 20px 40px var(--shadow-color);
}

.imagen img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center 12%;
  border-radius: 50%;
}

.texto p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: 16px;
}

.texto strong {
  color: var(--text);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.chip {
  font-size: 13px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
}

/* ===== experiencia ===== */
.experiencia-item {
  padding: 28px 30px;
  border-radius: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.experiencia-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.experiencia-head h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--text);
}

.experiencia-fecha {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-3);
  white-space: nowrap;
}

.experiencia-empresa {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.experiencia-lista {
  display: flex;
  flex-direction: column;
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.experiencia-lista li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-muted);
}

.experiencia-lista li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient);
}

/* ===== habilidades ===== */
.skills-grupo {
  margin-bottom: 30px;
}

.skills-grupo h3 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-3);
  margin-bottom: 14px;
}

.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skills-tags span {
  padding: 9px 16px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: border-color 0.2s, transform 0.2s;
}

.skills-tags span:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* ===== proyectos ===== */
.proyectos {
  padding: 60px 24px 80px;
}

.proyectos h2 {
  font-size: 28px;
  text-align: center;
  margin-bottom: 40px;
}

.contenido {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.card {
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.card-body {
  padding: 28px;
}

.card-destacada {
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border-color: rgba(108, 140, 255, 0.35);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px var(--shadow-color);
  border-color: var(--accent);
}

.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--gradient);
  color: var(--bg);
  margin-bottom: 14px;
}

.badge-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.card h4 {
  font-size: 20px;
  margin-bottom: 10px;
}

.card-tags {
  font-size: 13px;
  color: var(--accent-3);
  font-weight: 500;
  margin-bottom: 14px;
}

.card p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.65;
}

.card-proximo {
  display: flex;
  align-items: center;
  border-style: dashed;
  opacity: 0.8;
}

.card-links {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  flex-wrap: wrap;
}

.card-links a {
  font-weight: 600;
  text-decoration: none;
  font-size: 14px;
  padding: 9px 18px;
  border-radius: 999px;
  background: var(--gradient);
  color: var(--bg);
  transition: transform 0.2s;
}

.card-links a.secundario {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.card-links a:hover {
  transform: translateY(-2px);
}

/* ===== contacto ===== */
form#contacto {
  max-width: 560px;
  margin: 0 auto 80px;
  padding: 40px 32px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  text-align: center;
}

form#contacto h2 {
  margin-bottom: 28px;
}

input,
textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  font-family: var(--font-body);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  margin-bottom: 14px;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
}

textarea {
  min-height: 110px;
  max-height: 200px;
  resize: vertical;
}

#boton {
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--gradient);
  color: var(--bg);
  border: none;
  padding: 13px;
  margin-top: 4px;
  transition: transform 0.2s;
}

#boton:hover {
  transform: translateY(-2px);
}

/* ===== footer ===== */
.footer {
  text-align: center;
  padding: 36px 24px;
  border-top: 1px solid var(--border);
}

.footer .sociales {
  justify-content: center;
  margin-bottom: 18px;
}

.copy {
  color: var(--text-muted);
  font-size: 14px;
}

/* ===== responsive ===== */
@media (min-width: 900px) {
  #menu-bar,
  header label.icon-menu {
    display: none;
  }

  .menu {
    position: static;
    width: auto;
    transform: none;
    background: transparent;
    display: flex;
  }

  .menu a {
    border: none;
    padding: 8px 16px;
  }
}

@media (max-width: 640px) {
  .acerca-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .imagen {
    width: 160px;
    margin: 0 auto;
  }

  .chips {
    justify-content: center;
  }

  #banner {
    padding-top: 150px;
  }
}

/* ===== scroll reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ===== cursor glow (botones y tarjetas) ===== */
.btn,
.card {
  position: relative;
  isolation: isolate;
}

.btn::before,
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.3s ease;
  background: radial-gradient(
    280px circle at var(--glow-x, 50%) var(--glow-y, 50%),
    var(--glow-color),
    transparent 70%
  );
}

.btn:hover::before,
.card:hover::before {
  opacity: 1;
}

/* ===== actividad en GitHub ===== */
#github-activity {
  max-width: 1000px;
  margin: 0 auto;
  padding: 60px 24px 80px;
  text-align: center;
}

.github-sub {
  color: var(--text-muted);
  margin-bottom: 32px;
}

.github-repos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  text-align: left;
}

.github-status {
  grid-column: 1 / -1;
  color: var(--text-muted);
  text-align: center;
}

.github-repo-card {
  padding: 18px 20px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  display: block;
  transition: transform 0.2s, border-color 0.2s;
}

.github-repo-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.github-repo-name {
  font-weight: 600;
  font-family: var(--font-heading);
  margin-bottom: 6px;
  word-break: break-word;
}

.github-repo-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.github-repo-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.github-repo-lang {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ===== accesibilidad: menos movimiento ===== */
@media (prefers-reduced-motion: reduce) {
  .hero-bg {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn::before,
  .card::before {
    display: none;
  }

  html {
    scroll-behavior: auto;
  }
}