/* ===== Adixon Diaz — adixondiaz.com ===== */

:root{
  --bg: #0a0e14;
  --bg-alt: #0f1420;
  --surface: #131924;
  --surface-2: #1a2230;
  --border: #232c3d;
  --text: #e7edf5;
  --text-muted: #9aa7bb;
  --accent: #35e0a1;
  --accent-2: #4fc3f7;
  --accent-soft: rgba(53, 224, 161, 0.12);
  --font-sans: 'Segoe UI', system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'Consolas', 'SFMono-Regular', Menlo, Monaco, monospace;
  --radius: 10px;
  --max-width: 1100px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.i18n-loading{ visibility: hidden; }

.container{
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

a{ color: inherit; text-decoration: none; }
h1, h2, h3{ line-height: 1.2; margin: 0 0 16px; }
p{ margin: 0 0 16px; color: var(--text-muted); }
ul, ol{ margin: 0; padding: 0; list-style: none; }

/* ===== Header ===== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner{
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}

.logo{
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  white-space: nowrap;
}

.logo-mark{
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #071018;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}

.logo-initials{ position: relative; z-index: 1; }

.logo-photo{
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.logo-name{ color: var(--text); font-size: 15px; }

.main-nav{
  display: flex;
  gap: 20px;
  margin-left: auto;
  font-size: 14px;
}

.main-nav a{
  position: relative;
  color: var(--text-muted);
  padding-bottom: 4px;
  transition: color .15s ease;
}
.main-nav a::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width .2s ease;
}
.main-nav a:hover{ color: var(--accent); }
.main-nav a:hover::after,
.main-nav a.active-link::after{ width: 100%; }
.main-nav a.active-link{ color: var(--accent); }

.lang-switch{
  display: flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin-left: 12px;
}

.lang-btn{
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 10px;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.lang-btn:hover{ color: var(--text); }
.lang-btn.active{
  background: var(--accent-soft);
  color: var(--accent);
}

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
}
.nav-toggle span{
  display: block;
  height: 2px;
  width: 16px;
  margin: 0 auto;
  background: var(--text);
}

/* ===== Hero ===== */
.hero{
  position: relative;
  overflow: hidden;
  padding: 96px 0 72px;
  border-bottom: 1px solid var(--border);
}

.hero-bg{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  filter: saturate(1.05);
  animation: kenburns 24s ease-in-out infinite alternate;
}

.hero-overlay{
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: rgba(10,14,20,.18);
  background-image: radial-gradient(900px 650px at 22% 58%, rgba(10,14,20,.88) 0%, rgba(10,14,20,.62) 35%, rgba(10,14,20,.22) 60%, rgba(10,14,20,0) 85%);
}

@keyframes kenburns{
  from{ transform: scale(1); }
  to{ transform: scale(1.08); }
}

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

.hero-kicker{
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.hero-title{
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  color: var(--text);
  margin-bottom: 12px;
}

.hero-tagline{
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text);
  font-weight: 500;
  max-width: 720px;
  margin-bottom: 16px;
}

.hero-lead{
  max-width: 640px;
  font-size: 1rem;
}

.hero-cta{
  display: flex;
  gap: 14px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.btn{
  display: inline-flex;
  align-items: center;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover{ transform: translateY(-1px); }

.btn-primary{
  background: var(--accent);
  color: #071018;
}
.btn-primary:hover{ background: #4ce9ae; }

.btn-secondary{
  border-color: var(--border);
  color: var(--text);
  background: var(--surface);
}
.btn-secondary:hover{ border-color: var(--accent); color: var(--accent); }

/* ===== Sections ===== */
.section{ padding: 72px 0; border-bottom: 1px solid var(--border); }
.section-title{
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--text);
}
.subsection-title{
  font-size: 1.15rem;
  color: var(--text);
  margin-top: 32px;
}

.about-text{
  max-width: 780px;
  font-size: 1.02rem;
  color: var(--text-muted);
}

/* ===== Stack ===== */
.stack-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.stack-group{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.stack-group:hover{
  transform: translateY(-3px);
  border-color: var(--accent-2);
  box-shadow: 0 12px 24px -14px rgba(79,195,247,.35);
}

.stack-group h3{
  font-size: 1rem;
  color: var(--accent-2);
  margin-bottom: 6px;
}

.stack-note{
  font-size: .82rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 12px;
}

.stack-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stack-tags span{
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: .78rem;
  padding: 5px 10px;
  border-radius: 6px;
  transition: border-color .15s ease, color .15s ease;
}
.stack-tags span:hover{
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== Projects ===== */
.projects-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.project-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.project-card:hover{
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 14px 28px -16px rgba(53,224,161,.3);
}

.project-card h3{
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 4px;
}

.project-meta{
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}

.project-card p{
  font-size: .92rem;
  margin-bottom: 0;
}

/* ===== Experience timeline ===== */
.timeline{
  margin-top: 28px;
  border-left: 2px solid var(--border);
}

.timeline-item{
  position: relative;
  padding: 4px 0 28px 28px;
}

.timeline-item::before{
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--bg);
  transition: transform .2s ease;
}
.timeline-item:hover::before{ transform: scale(1.3); }

.timeline-item h3{
  font-size: 1.02rem;
  color: var(--text);
  margin-bottom: 2px;
}

.timeline-company{
  color: var(--accent-2);
  font-size: .9rem;
  font-weight: 600;
}

.timeline-period{
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 6px;
}

/* ===== Education ===== */
.bootcamp-card{
  margin-top: 24px;
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 24px;
}

.bootcamp-card h3{
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 4px;
}

.bootcamp-meta{
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--accent);
  display: block;
  margin-bottom: 12px;
}

.bootcamp-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.bootcamp-tags span{
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: .78rem;
  padding: 5px 10px;
  border-radius: 6px;
}

.certs-list{
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}

.certs-list li{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: .88rem;
  transition: border-color .2s ease, transform .2s ease;
}
.certs-list li:hover{
  border-color: var(--accent-2);
  transform: translateY(-2px);
}

.certs-list .cert-name{
  color: var(--text);
  font-weight: 600;
  display: block;
}

.certs-list .cert-org{
  color: var(--text-muted);
  font-size: .82rem;
}

.languages-list{
  margin-top: 16px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.languages-list li{
  font-size: .92rem;
  color: var(--text);
}

.languages-list .lang-level{
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: .8rem;
}

/* ===== Contact ===== */
.section-contact{ text-align: center; border-bottom: none; }
.contact-lead{ max-width: 520px; margin-left: auto; margin-right: auto; }
.contact-links{
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 20px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer{
  padding: 28px 0;
  text-align: center;
}
.site-footer p{
  font-size: .82rem;
  color: var(--text-muted);
  margin: 0;
}

/* ===== Responsive ===== */
@media (max-width: 860px){
  .main-nav{ display: none; }
  .nav-toggle{ display: flex; }

  .site-header.nav-open .main-nav{
    display: flex;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 14px;
  }
}

@media (max-width: 600px){
  .hero{ padding: 64px 0 48px; }
  .section{ padding: 48px 0; }
}

/* ===== Scroll reveal ===== */
.reveal{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.is-visible{
  opacity: 1;
  transform: none;
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal{ opacity: 1; transform: none; }
}