/* Fredy Rodriguez — portfolio theme (shared by index, about and 404) */
:root{
  --bg:#0a0a12; --bg2:#0e0e1a; --panel:rgba(255,255,255,.04); --panel2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.10); --text:#e7e9f0; --muted:#9aa1b5; --accent:#7c5cff; --accent2:#25d0ff;
  --grad:linear-gradient(90deg,#7c5cff,#25d0ff); --shadow:0 20px 60px rgba(0,0,0,.5);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
h1,h2,h3,.display{font-family:'Space Grotesk',sans-serif;font-weight:700;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 22px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{color:var(--muted);text-transform:uppercase;letter-spacing:.18em;font-size:13px;font-weight:600}

/* fondo con blobs */
.bg-blobs{position:fixed;inset:0;z-index:-1;overflow:hidden}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.35;animation:float 16s ease-in-out infinite}
.b1{width:420px;height:420px;background:#5b2bd6;top:-120px;left:-80px}
.b2{width:360px;height:360px;background:#0e8fae;bottom:-100px;right:-60px;animation-delay:-6s}
.b3{width:260px;height:260px;background:#7c5cff;top:40%;right:18%;animation-delay:-11s}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(30px,-30px) scale(1.08)}}

/* nav */
header{position:fixed;top:0;left:0;right:0;z-index:100;backdrop-filter:blur(14px);background:rgba(10,10,18,.75);border-bottom:1px solid var(--line)}
.nav{max-width:1200px;margin:0 auto;padding:14px 22px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk';font-weight:700;font-size:19px}
.logo img{width:34px;height:34px;border-radius:999px}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-links{display:flex;align-items:center;gap:26px;font-size:15px;color:var(--muted)}
.nav-links a:hover{color:var(--text)}
.pill{color:#fff!important;background:var(--grad);padding:9px 18px;border-radius:999px;font-weight:600}
.lang-btn{background:var(--panel);border:1px solid var(--line);color:var(--text);padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer;transition:.2s;display:inline-flex;align-items:center;gap:6px}
.lang-btn:hover{background:var(--panel2);border-color:var(--accent)}
.burger{display:none;font-size:22px;background:none;border:none;color:var(--text);cursor:pointer}

/* main page section space */
main {
  padding-top: 100px;
  padding-bottom: 60px;
}

section {
  padding: 30px 0;
}

.sec-head {
  max-width: 680px;
  margin-bottom: 24px;
}

.sec-head h2 {
  font-size: clamp(26px, 3.5vw, 36px);
  margin: 8px 0;
}

.sec-head p {
  color: var(--muted);
  font-size: 16px;
}

/* BENTO SYSTEM */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.bento-card {
  background: rgba(14, 14, 26, 0.65);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
  backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 92, 255, 0.5);
  box-shadow: 0 16px 40px -12px rgba(124, 92, 255, 0.25);
}

.bento-card.accent {
  background: linear-gradient(145deg, rgba(124, 92, 255, 0.14) 0%, rgba(37, 208, 255, 0.06) 100%);
  border-color: rgba(124, 92, 255, 0.35);
}

.bento-card.accent-subtle {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(124, 92, 255, 0.05) 100%);
}

/* Grid Column Spans */
.span-12 { grid-column: span 12; }
.span-8  { grid-column: span 8; }
.span-7  { grid-column: span 7; }
.span-6  { grid-column: span 6; }
.span-5  { grid-column: span 5; }
.span-4  { grid-column: span 4; }
.span-3  { grid-column: span 3; }

/* Bento Components */
.bento-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  padding: 5px 12px;
  background: rgba(124, 92, 255, 0.15);
  border: 1px solid rgba(124, 92, 255, 0.3);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.3px;
}

.h1 {
  font-size: clamp(34px, 4.5vw, 56px);
  line-height: 1.1;
  margin: 10px 0 16px;
}

.bento-card h2 {
  font-size: clamp(22px, 3vw, 28px);
  margin-bottom: 10px;
}

.bento-card h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.bento-card p {
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.6;
}

.bento-card p strong {
  color: var(--text);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14.5px;
  border: 1px solid transparent;
  transition: 0.2s ease;
}

.btn.primary {
  background: var(--grad);
  color: #04040a;
  box-shadow: 0 10px 30px rgba(124, 92, 255, 0.35);
}

.btn.primary:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.btn.ghost {
  background: var(--panel);
  border-color: var(--line);
  color: var(--text);
}

.btn.ghost:hover {
  background: var(--panel2);
  border-color: rgba(255, 255, 255, 0.2);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.chip {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--muted);
}

/* Terminal Card */
.term {
  background: #080811;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.term-bar {
  display: flex;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--line);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.term-body {
  padding: 16px;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 13px;
  line-height: 1.65;
}

.term-body .ln { color: #cbd3e6; }
.c-purple { color: #c792ea; }
.c-cyan { color: #67d5f0; }
.c-green { color: #7ee787; }

/* Metrics */
.bento-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 20px 0 10px;
  padding: 18px;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 14px;
  border: 1px solid var(--line);
}

.bento-metrics .metric {
  display: flex;
  flex-direction: column;
}

.bento-metrics .num {
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.bento-metrics .lbl {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 4px;
}

/* Stack Grid inside Bento */
.bento-stack-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 16px;
}

.bento-stack-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  transition: 0.2s ease;
}

.bento-stack-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--accent);
}

.bento-stack-item img {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.tags {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.tag {
  background: var(--panel2);
  border: 1px solid var(--line);
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--muted);
}

.cta-line {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent2);
  font-weight: 600;
  font-size: 14.5px;
  transition: 0.2s ease;
}

.cta-line:hover {
  transform: translateX(4px);
  color: #67d5f0;
}

footer {
  border-top: 1px solid var(--line);
  padding: 36px 0;
  color: var(--muted);
  font-size: 14px;
  margin-top: 40px;
}

footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

/* reveal on scroll */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .span-8, .span-7 { grid-column: span 12; }
  .span-5, .span-4, .span-3 { grid-column: span 6; }
}

@media (max-width: 768px) {
  .span-12, .span-8, .span-7, .span-6, .span-5, .span-4, .span-3 {
    grid-column: span 12;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #0c0c16;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 10px 0;
  }
  .nav-links a { padding: 14px 22px; }
  .nav-links.open { display: flex; }
  .burger { display: block; }
  .bento-metrics { grid-template-columns: 1fr; }
  .bento-stack-grid { grid-template-columns: 1fr; }
}