/* ===============================
   THEME
================================ */
:root{
  --bg: #070B14;
  --text: #E5E7EB;
  --muted: rgba(229,231,235,.68);

  --border: rgba(255,255,255,.12);
  --card-bg: rgba(255,255,255,.035);

  --arena: #FFF7ED;
  --arena-border: #E7D3B5;
  --accent: #F59E0B;
  --accent-2: #2563EB;

  --nav-h: 80px;                 /* altura navbar */
}

/* ===============================
   BASE / LAYOUT
================================ */
html, body{ height: 100%; }

body{
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
}

main.container{ flex: 1; }

a{ color: #EAF0FF; }
a:hover{ color: #FFFFFF; }
.text-muted{ color: var(--muted) !important; }

/* ===============================
   NAVBAR
================================ */
.navbar{
  background: var(--arena) !important;
  border-bottom: 2px solid var(--accent) !important;
  box-shadow: 0 12px 28px rgba(0,0,0,.12) !important;
  min-height: var(--nav-h);
}

.navbar .container{
  padding-top: 8px !important;
  padding-bottom: 8px !important;
}

.navbar-brand{
  height: var(--nav-h);
  display: flex;
  align-items: center;
}

.brand-logo{
  height: calc(var(--nav-h) - 12px);
  width: auto;
  display: block;
}

.navbar .nav-link,
.navbar .brand-text,
.navbar .text-muted{
  color: #0F172A !important;
}

.navbar .nav-link{
  opacity: .9;
  font-weight: 500;
}
.navbar .nav-link:hover{
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 6px;
}

/* Hamburger icon color (dark) */
.navbar-toggler{
  border-color: var(--arena-border) !important;
}
.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='%230F172A' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* Mobile menu background */
@media (max-width: 991.98px) {
  .navbar .container{
    padding-top: 4px !important;
    padding-bottom: 4px !important;
  }
  .navbar-brand{
    height: auto;
  }
  .brand-logo{
    height: 48px;
  }
  .navbar-collapse{
    background: var(--arena);
    border-top: 1px solid var(--arena-border);
    padding: .5rem 0;
    margin-top: 8px;
    border-radius: 0 0 12px 12px;
  }
}

/* pill ES/EN */
.lang-pill{
  display: flex;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--arena-border);
  background: rgba(255,255,255,.7);
  padding: 6px 10px;
  border-radius: 999px;
}

.lang-pill a{
  color: #0F172A;
  text-decoration: none;
  font-weight: 600;
  opacity: .65;
}
.lang-pill a.active{ opacity: 1; }

/* "Pedir demo" button inside navbar */
.navbar .btn-primary{
  background: var(--accent) !important;
  border-color: var(--accent) !important;
  color: #111827 !important;
  font-weight: 600;
}
.navbar .btn-primary:hover{ filter: brightness(.92); }

/* ===============================
   HERO
================================ */
.hero{
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 500px at 25% 10%, rgba(37,99,235,.35) 0%, transparent 55%),
    radial-gradient(900px 500px at 80% 30%, rgba(20,184,166,.22) 0%, transparent 55%),
    rgba(255,255,255,.02) !important;
  border: 1px solid var(--border);
  box-shadow: 0 18px 50px rgba(0,0,0,.35);
}

.hero-bg{
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .22;
  filter: saturate(1.1) contrast(1.05);
  transform: scale(1.03);
}

.hero::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    rgba(7,11,20,.92) 0%,
    rgba(7,11,20,.72) 55%,
    rgba(7,11,20,.55) 100%);
  pointer-events: none;
}

.hero > *{ position: relative; z-index: 1; }

.fade-in{ animation: fadeIn .8s ease; }
@keyframes fadeIn{
  from { opacity: .10; }
  to   { opacity: .22; }
}

/* ===============================
   CARDS (glass dark)
================================ */
.card-dark{
  background: var(--card-bg) !important;
  border: 1px solid var(--border) !important;
  box-shadow: 0 14px 40px rgba(0,0,0,.35) !important;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card-dark:hover{
  transform: translateY(-2px);
  border-color: rgba(245,158,11,.35) !important;
}

/* Project card thumbnail — see full definition below */

/* ===============================
   PROJECT DETAIL
================================ */
.detail-cover{
  height: 280px;
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border);
  position: relative;
}

.detail-cover::after{
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, transparent 40%, rgba(7,11,20,.55) 100%);
}

/* Gallery images */
.gallery-img{
  transition: transform .2s ease, box-shadow .2s ease;
  cursor: pointer;
}
.gallery-img:hover{
  transform: scale(1.03);
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
}

/* ===============================
   BADGES
================================ */
.badge{ letter-spacing: .2px; }

/* ===============================
   BUTTONS (site body)
================================ */
.btn-primary{
  background: var(--accent-2) !important;
  border-color: var(--accent-2) !important;
}
.btn-primary:hover{ filter: brightness(.92); }

.btn-outline-light{
  border-color: rgba(255,255,255,.35) !important;
  color: var(--text) !important;
}
.btn-outline-light:hover{
  background: rgba(255,255,255,.08) !important;
}

/* ===============================
   FOOTER (arena)
================================ */
footer{
  margin-top: 0 !important;
  padding: 12px 0 !important;
  border-top: 1px solid rgba(245,158,11,.18) !important;
  background: var(--arena) !important;
  color: #0F172A !important;
}

footer small,
footer .text-muted{
  color: rgba(15,23,42,.65) !important;
  font-size: 12px;
  line-height: 1.2;
}

footer a{ color: #0F172A !important; }
footer a:hover{ text-decoration: underline; }

/* ===============================
   RESPONSIVE
================================ */
@media (max-width: 767.98px) {
  .hero .display-5{ font-size: 1.75rem; }
  .detail-cover{ height: 180px; }
}

.badge.bg-dark{
  background: rgba(0,0,0,.45) !important;
  border-color: rgba(255,255,255,.22) !important;
  backdrop-filter: blur(6px);
}

/* Controles de proyectos — see full definition below */

/* tech-filters — see full definition below */

.tech-chip{
  border: 1px solid rgba(15,23,42,.18);
  background: rgba(255,255,255,.60);
  color: #0F172A;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2px;
  cursor: pointer;
}

.tech-chip.active{
  background: rgba(245,158,11,.95);
  border-color: rgba(245,158,11,.95);
  color: #111827;
}

.tech-chip:hover{
  filter: brightness(.98);
}

/* ----- Projects page layout fixes ----- */

/* Evita que el input o chips “estiren” el contenedor */
.projects-controls{
  min-width: 260px;
  max-width: 320px;
}

/* El grid debe comportarse como grid estable */
#projectsGrid{
  align-items: stretch;
}

/* La card rellena su columna sin desbordar */
.project-item .card{
  max-width: 100%;
}

/* Thumbnail: recorte limpio, sin desbordes */
.project-thumb{
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;

  border-bottom: 1px solid rgba(255,255,255,.10);
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
}

.project-thumb img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;

  transform: scale(1.02);
  transition: transform .35s ease, filter .35s ease;
  filter: saturate(1.05) contrast(1.02);
}

/* Evita que Bootstrap meta padding raro por colapsos */
.card-body{
  min-width: 0;
}

/* Hover premium */
.card.card-dark{
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.card.card-dark:hover{
  transform: translateY(-3px);
  border-color: rgba(245,158,11,.35) !important;
  box-shadow: 0 18px 50px rgba(0,0,0,.45) !important;
}

.card.card-dark:hover .project-thumb img{
  transform: scale(1.08);
  filter: saturate(1.15) contrast(1.05);
}

/* Chips: layout limpio y sticky */
.tech-filters{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  row-gap: 10px;
  position: sticky;
  top: 90px;                     /* nav-h (80px) + margin */
  z-index: 5;
  padding: 10px 0;
}

.tech-chip{
  white-space: nowrap;
}

/* ===============================
   SCROLL REVEAL
================================ */
.reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}

.reveal.revealed{
  opacity: 1;
  transform: translateY(0);
}

/* ===============================
   BACK TO TOP
================================ */
.back-to-top{
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;

  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;

  background: var(--accent);
  color: #111827;
  font-size: 1.15rem;

  display: flex;
  align-items: center;
  justify-content: center;

  box-shadow: 0 6px 20px rgba(0,0,0,.35);
  cursor: pointer;

  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity .3s ease, transform .3s ease, background .2s ease;
}

.back-to-top.visible{
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover{
  background: #D97706;
  transform: translateY(-2px);
}

/* ===============================
   CONTACT FORM
================================ */
#contactForm .form-control{
  border-radius: 10px;
  transition: border-color .2s ease, box-shadow .2s ease;
}

#contactForm .form-control:focus{
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px rgba(245,158,11,.18);
}

#contactForm .form-control::placeholder{
  color: rgba(229,231,235,.35);
}

/* Validation states */
#contactForm.was-validated .form-control:invalid{
  border-color: #EF4444 !important;
}

#contactForm.was-validated .form-control:valid{
  border-color: #22C55E !important;
}

/* ===============================
   404 PAGE
================================ */
.page-404-code{
  font-size: 8rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

/* ===============================
   COOKIE CONSENT BANNER (GDPR)
================================ */
.cookie-banner{
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;

  opacity: 0;
  transform: translateY(100%);
  pointer-events: none;
  transition: opacity .4s ease, transform .4s ease;
}

.cookie-banner.visible{
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.cookie-banner-inner{
  max-width: 720px;
  margin: 0 auto 20px;
  padding: 20px 24px;
  border-radius: 16px;

  background: rgba(15, 23, 42, .96);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 -8px 40px rgba(0,0,0,.45);
}

.cookie-banner-text{
  font-size: .875rem;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 14px;
}

.cookie-banner-text p{
  margin-top: 6px;
  color: var(--muted);
  font-size: .8rem;
}

.cookie-banner-text a{
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cookie-banner-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cookie-btn-accept{
  background: var(--accent) !important;
  border-color: var(--accent) !important;
  color: #111827 !important;
  font-weight: 600;
}
.cookie-btn-accept:hover{
  filter: brightness(.92);
}

.cookie-banner .btn-outline-secondary{
  border-color: rgba(255,255,255,.2) !important;
  color: var(--text) !important;
  font-size: .8rem;
}
.cookie-banner .btn-outline-secondary:hover{
  background: rgba(255,255,255,.08) !important;
}

/* Detail panel */
.cookie-details{
  margin: 12px 0 16px;
  padding: 14px;
  border-radius: 10px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
}

.cookie-option{
  padding: 10px 0;
}

.cookie-option + .cookie-option{
  border-top: 1px solid rgba(255,255,255,.08);
}

.cookie-option strong{
  color: var(--text);
  font-size: .85rem;
}

.cookie-option small{
  font-size: .75rem;
  line-height: 1.4;
}

/* Switch color override */
.cookie-details .form-check-input:checked{
  background-color: var(--accent);
  border-color: var(--accent);
}

/* Cookie policy page — table */
.table-dark{
  --bs-table-bg: rgba(255,255,255,.04);
  --bs-table-border-color: rgba(255,255,255,.1);
}

/* Responsive banner on mobile */
@media (max-width: 575.98px) {
  .cookie-banner-inner{
    margin: 0 8px 12px;
    padding: 16px;
    border-radius: 12px;
  }

  .cookie-banner-actions{
    flex-direction: column;
  }

  .cookie-banner-actions .btn{
    width: 100%;
  }
}

/* ===============================
   LIGHTBOX
================================ */
.lightbox{
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;

  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}

.lightbox.active{
  opacity: 1;
  pointer-events: auto;
}

.lightbox-overlay{
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .92);
  backdrop-filter: blur(8px);
}

.lightbox-content{
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-image{
  max-width: 90vw;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);

  transform: scale(.95);
  transition: transform .3s ease;
}

.lightbox.active .lightbox-image{
  transform: scale(1);
}

.lightbox-counter{
  margin-top: 12px;
  color: rgba(255,255,255,.55);
  font-size: .8rem;
  letter-spacing: 1px;
}

/* Close button */
.lightbox-close{
  position: absolute;
  top: 18px;
  right: 22px;
  z-index: 2;
  background: none;
  border: none;
  color: rgba(255,255,255,.7);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color .2s, transform .2s;
  padding: 8px;
}

.lightbox-close:hover{
  color: #fff;
  transform: scale(1.15);
}

/* Nav arrows */
.lightbox-nav{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.8);
  font-size: 1.3rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, color .2s, transform .2s;
}

.lightbox-nav:hover{
  background: rgba(255,255,255,.18);
  color: #fff;
  transform: translateY(-50%) scale(1.08);
}

.lightbox-prev{ left: 18px; }
.lightbox-next{ right: 18px; }

@media (max-width: 575.98px){
  .lightbox-nav{
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }
  .lightbox-prev{ left: 8px; }
  .lightbox-next{ right: 8px; }
  .lightbox-close{ top: 10px; right: 12px; }
}

/* Logo lightbox — larger display */
.logo-lightbox-img{
  max-width: min(400px, 80vw) !important;
  max-height: 70vh !important;
  border-radius: 16px;
  background: var(--arena);
  padding: 20px;
}

/* Card con fondo arena */
.card-dark.card-arena{
  background: var(--arena) !important;
  border-color: rgba(0,0,0,.1) !important;
  box-shadow: 0 14px 40px rgba(0,0,0,.15) !important;
  color: #1a1a1a !important;
}

.card-dark.card-arena h2,
.card-dark.card-arena .text-muted{
  color: #444 !important;
}

.card-dark.card-arena ul li{
  color: #333 !important;
}