/* ══════════════════════════════════════════
   VARIABLES
══════════════════════════════════════════ */
:root {
  --bg: #06090f;
  --bg-card: #0c1119;
  --bg-card-alt: #101721;
  --bg-hover: #141c2a;
  --border: #1a2540;
  --border-light: #243050;
  --text: #e2e8f4;
  --text-sec: #7b8dad;
  --text-muted: #3e506e;
  --cyan: #00e5ff;
  --cyan-20: #00e5ff33;
  --cyan-10: #00e5ff1a;
  --green: #00ffa3;
  --green-20: #00ffa333;
  --magenta: #b46cff;
  --magenta-20: #b46cff33;
  --orange: #ff8a3a;
  --orange-20: #ff8a3a33;
  --radius: 8px;
  --radius-lg: 14px;
  --section-gap: 7rem;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Utilities ── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 2rem; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1rem;
}
.section-label::before { content: ''; width: 20px; height: 1px; background: var(--cyan); }

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: .75rem;
}

.section-subtitle { color: var(--text-sec); font-size: 1.05rem; font-weight: 300; max-width: 560px; }
.section-header { margin-bottom: 3rem; }

/* ── Background ── */
.grid-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.grid-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 70px 70px;
  opacity: .1;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 20%, black 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 20%, black 10%, transparent 70%);
}

.glow-orb { position: fixed; border-radius: 50%; filter: blur(80px); pointer-events: none; z-index: 0; }
.glow-orb.cyan { width: 500px; height: 500px; top: -100px; right: -80px; background: var(--cyan-10); animation: float-orb 8s ease-in-out infinite alternate; }
.glow-orb.magenta { width: 400px; height: 400px; bottom: 10%; left: -100px; background: var(--magenta-20); opacity: .3; animation: float-orb 10s 2s ease-in-out infinite alternate; }

@keyframes float-orb { from { transform: translateY(0) scale(1); } to { transform: translateY(-40px) scale(1.08); } }

.page-content { position: relative; z-index: 1; }

/* ══ HEADER ══ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(6, 9, 15, .75);
  border-bottom: 1px solid var(--border);
}
.header-inner { max-width: 1140px; margin: 0 auto; padding: 0 2rem; height: 64px; display: flex; align-items: center; justify-content: space-between; }

.logo { font-family: 'JetBrains Mono', monospace; font-size: .88rem; font-weight: 500; color: var(--text); text-decoration: none; display: flex; align-items: center; gap: .55rem; }
.logo-mark { width: 30px; height: 30px; border-radius: 7px; background: linear-gradient(135deg, var(--cyan-20), var(--magenta-20)); border: 1px solid var(--border); display: grid; place-items: center; font-size: .75rem; color: var(--cyan); overflow: hidden; }
.logo-mark img { width: 100%; height: 100%; object-fit: contain; }
.logo .sep { color: var(--cyan); }

nav { display: flex; gap: 1.8rem; }
nav a { font-family: 'JetBrains Mono', monospace; font-size: .72rem; font-weight: 400; color: var(--text-sec); text-decoration: none; letter-spacing: .03em; transition: color .2s; }
nav a:hover { color: var(--cyan); }

.mobile-toggle { display: none; background: none; border: none; color: var(--text); cursor: pointer; padding: 4px; }
.mobile-toggle svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; }

nav.open {
  display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0;
  background: rgba(6, 9, 15, .95); backdrop-filter: blur(16px); padding: 1.5rem 2rem; gap: 1.2rem; border-bottom: 1px solid var(--border);
}

/* ══ HERO ══ */
.hero { padding: 6rem 0 var(--section-gap); display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.hero-text { animation: fadeUp .7s ease-out both; }

.hero-badge { display: inline-flex; align-items: center; gap: .5rem; padding: .35rem .9rem; border-radius: 20px; border: 1px solid var(--border); background: var(--bg-card); font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; color: var(--text-sec); margin-bottom: 1.5rem; }
.hero-badge .pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--green); animation: blink 2s ease-in-out infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.25} }

.hero h1 { font-size: clamp(2.4rem, 5.5vw, 3.6rem); font-weight: 800; line-height: 1.08; letter-spacing: -0.04em; margin-bottom: 1.2rem; }
.hero h1 .grad { background: linear-gradient(90deg, var(--cyan), var(--green)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-desc { color: var(--text-sec); font-size: 1.1rem; font-weight: 300; max-width: 440px; margin-bottom: 2rem; }
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .75rem 1.8rem; font-family: 'JetBrains Mono', monospace; font-size: .8rem; font-weight: 500; border-radius: var(--radius); text-decoration: none; cursor: pointer; transition: transform .2s, box-shadow .25s, background .25s; letter-spacing: .02em; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--cyan); color: var(--bg); border: none; }
.btn-primary:hover { box-shadow: 0 0 28px var(--cyan-20); }
.btn-ghost { background: transparent; color: var(--text-sec); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--border-light); color: var(--text); }
.btn svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ── Terminal ── */
.hero-visual { animation: fadeUp .7s .15s ease-out both; }
.terminal { border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--bg-card); overflow: hidden; box-shadow: 0 6px 50px rgba(0,0,0,.4); }
.terminal-bar { display: flex; align-items: center; gap: .45rem; padding: .6rem 1rem; background: var(--bg-card-alt); border-bottom: 1px solid var(--border); }
.t-dot { width: 9px; height: 9px; border-radius: 50%; }
.t-dot.r { background: #ff5f57; } .t-dot.y { background: #ffbd2e; } .t-dot.g { background: #28ca42; }
.terminal-tab { margin-left: .7rem; font-family: 'JetBrains Mono', monospace; font-size: .65rem; color: var(--text-muted); }
.terminal-body { padding: 1.3rem 1.5rem; font-family: 'JetBrains Mono', monospace; font-size: .76rem; line-height: 2; color: var(--text-sec); }
.terminal-body .line { display: block; }
.terminal-body .p { color: var(--green); }
.terminal-body .c { color: var(--text); }
.terminal-body .f { color: var(--magenta); }
.terminal-body .s { color: var(--orange); }
.terminal-body .o { color: var(--cyan); opacity: .85; }
.caret { display: inline-block; width: 8px; height: 14px; background: var(--cyan); vertical-align: text-bottom; margin-left: 2px; animation: caretB .85s step-end infinite; }
@keyframes caretB { 0%,100%{opacity:1} 50%{opacity:0} }

/* ══ SERVICIOS ══ */
.services { padding-bottom: var(--section-gap); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.srv-card { padding: 1.8rem 1.5rem; background: var(--bg-card); border-radius: var(--radius-lg); border: 1px solid var(--border); transition: border-color .3s, box-shadow .3s, transform .3s; display: flex; flex-direction: column; gap: .8rem; }
.srv-card:hover { border-color: var(--cyan-20); box-shadow: 0 0 30px rgba(0,229,255,.04); transform: translateY(-3px); }
.srv-icon { width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center; }
.srv-icon svg { width: 22px; height: 22px; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; fill: none; }
.srv-icon.cyan { background: var(--cyan-10); } .srv-icon.cyan svg { stroke: var(--cyan); }
.srv-icon.green { background: var(--green-20); } .srv-icon.green svg { stroke: var(--green); }
.srv-icon.magenta { background: var(--magenta-20); } .srv-icon.magenta svg { stroke: var(--magenta); }
.srv-icon.orange { background: var(--orange-20); } .srv-icon.orange svg { stroke: var(--orange); }
.srv-card h3 { font-size: 1.05rem; font-weight: 600; }
.srv-card p { font-size: .88rem; color: var(--text-sec); font-weight: 300; line-height: 1.6; }
.srv-tag { margin-top: auto; display: inline-flex; align-items: center; gap: .35rem; font-family: 'JetBrains Mono', monospace; font-size: .65rem; color: var(--text-muted); padding-top: .5rem; }
.srv-tag span { padding: .15rem .45rem; border-radius: 3px; background: var(--bg-card-alt); border: 1px solid var(--border); }

/* ══ PORTFOLIO ══ */
.portfolio { padding-bottom: var(--section-gap); }
.portfolio-grid { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: minmax(180px, auto); gap: 1.25rem; }
.portfolio-item { border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--bg-card); overflow: hidden; position: relative; cursor: pointer; transition: border-color .3s, box-shadow .3s, transform .3s; }
.portfolio-item:hover { border-color: var(--cyan-20); box-shadow: 0 4px 40px rgba(0,229,255,.06); transform: translateY(-3px); }
.portfolio-item:nth-child(1) { grid-column: span 7; grid-row: span 2; }
.portfolio-item:nth-child(2) { grid-column: span 5; }
.portfolio-item:nth-child(3) { grid-column: span 5; }
.portfolio-item:nth-child(4) { grid-column: span 4; }
.portfolio-item:nth-child(5) { grid-column: span 4; }
.portfolio-item:nth-child(6) { grid-column: span 4; }
.portfolio-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease, filter .5s ease; filter: brightness(.78) saturate(.85); }
.portfolio-item:hover img { transform: scale(1.04); filter: brightness(.92) saturate(1); }
.portfolio-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(6,9,15,.92) 0%, rgba(6,9,15,.25) 50%, transparent 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 1.4rem; pointer-events: none; }
.portfolio-overlay h3 { font-size: .95rem; font-weight: 600; margin-bottom: .2rem; }
.portfolio-overlay p { font-family: 'JetBrains Mono', monospace; font-size: .68rem; color: var(--text-sec); }
.portfolio-overlay .p-tags { display: flex; gap: .3rem; margin-top: .5rem; flex-wrap: wrap; }
.portfolio-overlay .p-tag { padding: .15rem .5rem; border-radius: 3px; font-family: 'JetBrains Mono', monospace; font-size: .6rem; border: 1px solid var(--border-light); color: var(--cyan); background: rgba(0,229,255,.08); }

/* ══ STACK ══ */
.stack { padding-bottom: var(--section-gap); }
.stack-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.stack-item { padding: 1.4rem; text-align: center; background: var(--bg-card); border-radius: var(--radius-lg); border: 1px solid var(--border); transition: border-color .3s, transform .3s; }
.stack-item:hover { border-color: var(--border-light); transform: translateY(-2px); }
.stack-item .icon { font-size: 1.8rem; margin-bottom: .6rem; display: block; }
.stack-item h4 { font-size: .9rem; font-weight: 500; margin-bottom: .2rem; }
.stack-item p { font-family: 'JetBrains Mono', monospace; font-size: .65rem; color: var(--text-muted); }

/* ══ TOPOLOGY ══ */
.topology { padding-bottom: var(--section-gap); }
.topo-wrapper { border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--bg-card); overflow: hidden; }
.topo-wrapper img { width: 100%; display: block; }
.topo-caption { padding: 1.2rem 1.5rem; border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.topo-caption p { font-size: .88rem; color: var(--text-sec); font-weight: 300; }
.topo-caption .topo-tags { display: flex; gap: .35rem; flex-shrink: 0; }
.topo-caption .topo-tag { padding: .2rem .55rem; border-radius: 4px; font-family: 'JetBrains Mono', monospace; font-size: .62rem; border: 1px solid var(--border); color: var(--magenta); background: var(--magenta-20); }

/* ══ TRAINING ══ */
.training { padding-bottom: var(--section-gap); }
.training-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.train-card { padding: 1.6rem 1.5rem; background: var(--bg-card); border-radius: var(--radius-lg); border: 1px solid var(--border); display: flex; align-items: flex-start; gap: 1.1rem; transition: border-color .3s, transform .3s; }
.train-card:hover { border-color: var(--cyan-20); transform: translateY(-2px); }
.train-num { font-family: 'JetBrains Mono', monospace; font-size: 1.8rem; font-weight: 600; color: var(--cyan); opacity: .3; line-height: 1; flex-shrink: 0; }
.train-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: .3rem; }
.train-card p { font-size: .85rem; color: var(--text-sec); font-weight: 300; }

/* ══ CONTACT ══ */
.contact { padding-bottom: 5rem; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.contact-card { padding: 1.8rem 1.5rem; background: var(--bg-card); border-radius: var(--radius-lg); border: 1px solid var(--border); text-align: center; transition: border-color .3s, transform .3s; }
.contact-card:hover { border-color: var(--cyan-20); transform: translateY(-2px); }
.contact-card .c-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--cyan-10); border: 1px solid var(--border); display: grid; place-items: center; margin: 0 auto 1rem; }
.contact-card .c-icon svg { width: 20px; height: 20px; stroke: var(--cyan); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.contact-card h3 { font-family: 'JetBrains Mono', monospace; font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); margin-bottom: .4rem; }
.contact-card p { font-size: .95rem; font-weight: 400; }
.contact-card p.sec { font-size: .82rem; color: var(--text-sec); font-weight: 300; margin-top: .15rem; }

/* ══ FOOTER ══ */
footer { border-top: 1px solid var(--border); padding: 2rem; text-align: center; font-family: 'JetBrains Mono', monospace; font-size: .68rem; color: var(--text-muted); letter-spacing: .03em; }

/* ══ ANIMATIONS ══ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease-out, transform .6s ease-out; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }

/* ══ LIGHTBOX ══ */
.lightbox { position: fixed; inset: 0; z-index: 999; background: rgba(6,9,15,.92); backdrop-filter: blur(12px); display: flex; align-items: center; justify-content: center; padding: 2rem; opacity: 0; pointer-events: none; transition: opacity .3s ease; }
.lightbox.active { opacity: 1; pointer-events: all; }
.lightbox img { max-width: 90%; max-height: 85vh; border-radius: var(--radius-lg); border: 1px solid var(--border); box-shadow: 0 20px 80px rgba(0,0,0,.5); }
.lightbox-close { position: absolute; top: 1.5rem; right: 2rem; width: 40px; height: 40px; border-radius: 50%; background: var(--bg-card); border: 1px solid var(--border); color: var(--text); font-size: 1.2rem; cursor: pointer; display: grid; place-items: center; transition: background .2s; }
.lightbox-close:hover { background: var(--bg-hover); }

/* ══ RESPONSIVE ══ */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding: 4rem 0 5rem; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-ctas { justify-content: center; }
  .hero-visual { max-width: 500px; margin: 0 auto; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 200px; }
  .portfolio-item:nth-child(1) { grid-column: span 2; grid-row: span 1; }
  .portfolio-item:nth-child(n+2) { grid-column: span 1; }
}

@media (max-width: 600px) {
  :root { --section-gap: 5rem; }
  .container { padding: 0 1.25rem; }
  .header-inner { padding: 0 1.25rem; }
  nav.desktop-nav { display: none; }
  nav.desktop-nav.open { display: flex; }
  .mobile-toggle { display: block; }
  .hero h1 { font-size: 2rem; }
  .services-grid { grid-template-columns: 1fr; }
  .stack-grid { grid-template-columns: 1fr 1fr; }
  .training-grid { grid-template-columns: 1fr; }
  .terminal-body { font-size: .68rem; padding: 1rem; }
  .portfolio-grid { grid-template-columns: 1fr; grid-auto-rows: 180px; }
  .portfolio-item:nth-child(1) { grid-column: span 1; }
  .topo-caption { flex-direction: column; align-items: flex-start; }
}