/* ==========================================================================
   Miguel Rodrica — Portfolio Landing Page
   Concepto: "El Dossier" — un informe profesional personal.
   Paleta cálida oscura (cuero/carbón) + acento latón, tipografía editorial
   serif + grotesk + monoespaciada, sistema de índice tipo ledger.
   Bootstrap 5 como base estructural, fuertemente reestilizado.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens de diseño
   -------------------------------------------------------------------------- */
:root {
  --ink: #000000;            /* fondo principal */
  --ink-raised: #000000;     /* superficie de tarjetas — azul marino */
  --ink-raised-2: #000000;   /* superficie alterna (secciones pares) */
  --paper: #FFFFFF;          /* texto principal */
  --slate: rgba(234, 236, 240, 0.7); /* texto secundario, sobre #EAECF0 */
  --brass: #FE7F2D;          /* acento — naranja */
  --brass-bright: #FF9A50;   /* acento hover */
  --hairline: rgba(255, 255, 255, 0.12);
  --hairline-soft: rgba(255, 255, 255, 0.18);

  --font-display: "Montserrat", sans-serif;
  --font-body: "Montserrat", sans-serif;
  --font-mono: "Montserrat", sans-serif;

  --bs-body-bg: var(--ink);
  --bs-body-color: var(--paper);
  --bs-border-color: var(--hairline);
  --bs-link-color: var(--brass);
  --bs-link-hover-color: var(--brass-bright);
}

body {
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  background-color: var(--ink);
  color: var(--paper);
}

html { scroll-behavior: smooth; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  background: var(--ink-raised);
  color: var(--paper);
  padding: 0.5rem 1rem;
  z-index: 1080;
}
.skip-link:focus { left: 1rem; top: 1rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* --------------------------------------------------------------------------
   2. Tipografía general
   -------------------------------------------------------------------------- */
h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--paper);
  letter-spacing: -0.01em;
}

section h2 {
  font-size: clamp(1.75rem, 1.4rem + 1.4vw, 2.75rem);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  color: var(--slate);
  font-size: 1rem;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   3. Firma: sistema de índice "ledger" (N.º 0X — Sección)
   -------------------------------------------------------------------------- */
.ledger-tag {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 1.5rem;
}
.ledger-tag--center { justify-content: center; }

.ledger-num {
  color: var(--brass);
  font-weight: 600;
}

.ledger-rule {
  display: inline-block;
  width: 100px;
  height: 1px;
  background-color: var(--brass);
  opacity: 0.6;
}

/* --------------------------------------------------------------------------
   4. Botones
   -------------------------------------------------------------------------- */
.btn-brass {
  background-color: var(--brass);
  border: 1px solid var(--brass);
  color: var(--ink);
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 2px;
  transition: background-color 0.18s ease, transform 0.18s ease;
}
.btn-brass:hover {
  background-color: var(--brass-bright);
  border-color: var(--brass-bright);
  color: var(--ink);
  transform: translateY(-2px);
}

.btn-outline-paper {
  background-color: rgba(24, 45, 58, 0.50);
  border: 1px solid var(--hairline);
  color: var(--paper);
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 2px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.btn-outline-paper:hover {
  background-color: rgba(24, 45, 58, 0.50);
  border-color: var(--brass);
  color: var(--paper);
  transform: translateY(-2px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--brass);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease, gap 0.18s ease;
}
.text-link:hover { color: var(--brass-bright); border-color: var(--brass-bright); gap: 0.55rem; }

/* --------------------------------------------------------------------------
   5. Header / Navbar
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--hairline);
}

.navbar { padding-top: 1.1rem; padding-bottom: 1.1rem; }

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--paper) !important;
}

.logo-mark {
  display: inline-flex;
  width: 26px;
  height: 26px;
}
.logo-mark svg { width: 100%; height: 100%; }

.navbar-nav .nav-link {
  color: var(--slate) !important;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.18s ease;
}
.navbar-nav .nav-link:hover { color: var(--brass) !important; }

.navbar-toggler {
  border-color: var(--hairline);
  padding: 0.4rem 0.6rem;
}
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.9)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.hero {
  padding: 8rem 0 6rem;
  background-color: var(--ink);
  background-image: radial-gradient(var(--hairline-soft) 1px, transparent 1px);
  background-size: 30px 30px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 2rem + 2.2vw, 4rem);
  font-weight: 600;
  line-height: 1.08;
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--brass);
  margin-bottom: 1.25rem;
}

.hero-description {
  font-family: var(--font-body);
  font-style: normal;
  font-weight: 500;
  font-size: 1.3rem;
  color: var(--slate);
  margin: 0 auto 2.25rem;
  max-width: 30ch;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-icon-link {
  color: var(--slate);
  font-size: 1.3rem;
  display: inline-flex;
  transition: color 0.18s ease;
}
.hero-icon-link:hover { color: var(--brass); }

/* --------------------------------------------------------------------------
   7. About
   -------------------------------------------------------------------------- */
.about { padding: 4rem 0; }

.photo-frame {
  position: relative;
  width: 100%;
  max-width: 260px;
  aspect-ratio: 4 / 5;
  background-color: var(--ink-raised);
  border: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}

.photo-placeholder {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 800;
  font-size: 2.5rem;
  color: var(--slate);
}

.profile-photo{
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.corner {
  position: absolute;
  width: 18px;
  height: 18px;
}
.corner-tl { top: -1px; left: -1px; border-top: 2px solid var(--brass); border-left: 2px solid var(--brass); }
.corner-br { bottom: -1px; right: -1px; border-bottom: 2px solid var(--brass); border-right: 2px solid var(--brass); }

.photo-caption {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--slate);
  margin-top: 0.75rem;
  text-transform: uppercase;
}

.about h2 { font-size: clamp(1.6rem, 1.3rem + 1vw, 2.1rem); margin-bottom: 1rem; }

.about-text {
  color: var(--slate);
  font-size: 1.05rem;
  max-width: 60ch;
  text-align: justify;
}

/* --------------------------------------------------------------------------
   8. Skills — grupos + fichas tipo "ticker"
   -------------------------------------------------------------------------- */
.skills{
    padding: 64px 0;
    background-image: radial-gradient(var(--hairline-soft) 1px, transparent 1px);
    background-size: 30px 30px;
}

.skill-card{
    height: 100%;
    padding: 2rem;
    background: black;
    border: 1px solid var(--hairline);
    border-radius: 2px;
    transition:
        transform .2s ease,
        border-color .2s ease,
        background-color .2s ease;
}

.skill-card:hover{
    background: rgba(24, 45, 58, 0.50);
    border-color: var(--brass);
    transform: translateY(-4px);
}

.skill-icon{
    font-size: 2rem;
    margin-bottom: 1rem;
}

.skill-card h4{
    font-size: 1.15rem;
    margin-bottom: .8rem;
}

.skill-card p{
    color: var(--muted);
    font-size: .95rem;
    line-height: 1.6;
    margin-bottom: 1.4rem;
}

.skill-list{
    display: flex;
    flex-direction: column;
    gap: .8rem;
}

.ticker-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ticker-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--hairline);
  border-radius: 3px;
  padding: 0.35rem 0.65rem;
  font-size: 0.85rem;
  color: var(--paper);
  background-color: transparent;
  transition: border-color 0.18s ease, background-color 0.18s ease;
  list-style: none;
}
.ticker-chip:hover { border-color: var(--brass); background-color: rgba(201, 162, 75, 0.07); }

.ticker-code {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--brass);
  background-color: rgba(201, 162, 75, 0.12);
  padding: 0.1rem 0.35rem;
  border-radius: 2px;
}

.ticker-chip--sm { padding: 0.25rem 0.5rem; font-size: 0.78rem; }
.ticker-chip--badge {
  display: inline-flex;
  margin: 0 auto 1rem;
  padding: 0.5rem 0.9rem;
}
.ticker-chip--badge .ticker-code { font-size: 0.85rem; padding: 0.25rem 0.5rem; }

/* --------------------------------------------------------------------------
   10. Proyectos
   -------------------------------------------------------------------------- */
.projects { padding: 5rem 0; }

.placeholder-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brass);
  background-color: rgba(201, 162, 75, 0.12);
  border-radius: 2px;
  padding: 0.2rem 0.5rem;
  margin-bottom: 0.75rem;
}

.project-card {
  background-color: var(--ink-raised);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.project-card:hover { transform: translateY(-4px); border-color: var(--brass); }

.project-image {
  aspect-ratio: 16 / 10;
  background-color: var(--ink-raised-2);
  background-image: radial-gradient(var(--hairline) 1px, transparent 1px);
  background-size: 16px 16px;
}

.project-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.project-body h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--paper);
}
.project-body p { color: var(--slate); font-size: 0.92rem; margin-bottom: 1.1rem; flex-grow: 1; }

.tech-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.25rem; padding-left: 0; }

/* --------------------------------------------------------------------------
   12. Contacto
   -------------------------------------------------------------------------- */
.contact { padding: 5rem 0; }

.contact h2 { margin-bottom: 1rem; }
.contact-lead { color: var(--slate); margin-bottom: 2rem; }

.contact-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--hairline);
  border-radius: 3px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}
.contact-link:hover {
  border-color: var(--brass);
  color: var(--brass-bright);
  background-color: rgba(201, 162, 75, 0.07);
}
.contact-link i { color: var(--brass); }

.contact-website {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--slate);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   13. Footer
   -------------------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--hairline); padding: 1.5rem 0; }

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--slate);
}
.footer-inner p { margin-bottom: 0; }

/* --------------------------------------------------------------------------
   14. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
  .hero { padding: 6rem 0 4rem; }
  .hero-description { max-width: 26ch; }

  .skills-row { grid-template-columns: 1fr; gap: 0.75rem; }

  .process-flow { flex-direction: column; align-items: center; gap: 1.25rem; }
  .process-step { width: auto; }
  .process-divider { display: none; }

  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 420px) {
  .hero-actions { flex-direction: column; width: 100%; }
  .btn-brass, .btn-outline-paper { width: 100%; text-align: center; }
}