@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap');
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0a0a0f;--surface:#111118;--surface-border:#2a2a35;
  --accent:#c8ff00;--accent-dim:rgba(200,255,0,0.08);--accent-border:rgba(200,255,0,0.4);
  --text:#e8e8e8;--text-muted:rgba(255,255,255,0.45);--text-dim:rgba(255,255,255,0.25);
  --glow-blue:rgba(60,100,255,0.15);--glow-purple:rgba(140,80,255,0.1);
  --font:'Space Grotesk',sans-serif;--mono:'Space Mono',monospace;
  --transition:0.3s ease;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--font);font-weight:700;line-height:1.15}

/* ── Dot grid bg ── */
body::before{content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,0.04) 1px,transparent 1px);
  background-size:24px 24px}

/* ── Brutalist utilities ── */
.container{max-width:1100px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
section{padding:100px 0;position:relative}
.label{font-family:var(--mono);font-size:0.7rem;font-weight:700;letter-spacing:0.18em;
  text-transform:uppercase;color:var(--accent);border:1.5px solid var(--accent-border);
  padding:6px 14px;display:inline-block;margin-bottom:1.5rem}
.section-title{font-size:clamp(1.8rem,4.5vw,3rem);margin-bottom:0.75rem;font-weight:700}
.section-sub{font-size:0.95rem;color:var(--text-muted);max-width:520px}

/* ── Glass panel (brutalist) ── */
.panel{background:var(--surface);border:1.5px solid var(--surface-border);padding:40px;position:relative}
.panel::before{content:'';position:absolute;inset:-1px;z-index:-1;
  background:linear-gradient(135deg,var(--glow-blue),var(--glow-purple),transparent 60%);
  filter:blur(40px);opacity:0.6}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-weight:700;
  font-size:0.8rem;letter-spacing:0.12em;text-transform:uppercase;padding:14px 28px;
  border:none;cursor:pointer;text-decoration:none;transition:var(--transition)}
.btn-primary{background:var(--accent);color:#0a0a0f}
.btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text);border:1.5px solid var(--surface-border)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

/* ═══ NAVBAR ═══ */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 0;transition:var(--transition)}
.navbar.scrolled{background:rgba(10,10,15,0.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--surface-border)}
.navbar .container{display:flex;justify-content:space-between;align-items:center}
.nav-logo{font-family:var(--font);font-weight:700;font-size:1.3rem;color:var(--text);
  text-decoration:none;letter-spacing:0.04em}
.nav-logo span{color:var(--accent)}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{color:var(--text-muted);text-decoration:none;font-family:var(--mono);
  font-size:0.7rem;letter-spacing:0.1em;text-transform:uppercase;transition:color 0.3s}
.nav-links a:hover{color:var(--accent)}
.nav-cta{display:flex}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:4px}
.hamburger span{display:block;width:22px;height:2px;background:var(--text);margin:5px 0;transition:var(--transition)}

/* ═══ HERO ═══ */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:70px;position:relative}
.hero-line{position:absolute;top:70px;left:0;right:0;height:1px;background:var(--surface-border)}
.hero-line2{position:absolute;top:72px;left:0;right:0;height:1px;background:var(--surface-border)}
.hero-content{width:100%}
.hero-badge{display:inline-flex;align-items:center;gap:8px;border:1.5px solid var(--accent-border);
  padding:6px 16px;font-family:var(--mono);font-size:0.7rem;font-weight:700;letter-spacing:0.1em;
  text-transform:uppercase;color:var(--accent);margin-bottom:2.5rem;animation:float 4s ease-in-out infinite}
.hero-badge .dot{width:7px;height:7px;background:var(--accent);animation:blink 2s ease-in-out infinite}
.hero h1{font-size:clamp(3.5rem,11vw,8rem);font-weight:700;letter-spacing:-0.03em;margin-bottom:0.3rem}
.hero h1 .accent{color:var(--accent)}
.hero-tagline{font-family:var(--mono);font-size:clamp(0.7rem,1.5vw,0.9rem);letter-spacing:0.25em;
  text-transform:uppercase;color:var(--text-muted);margin-bottom:1.5rem}
.hero-desc{font-size:1rem;color:var(--text-muted);max-width:500px;margin-bottom:2.5rem;line-height:1.7}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap}
.hero-stats{display:flex;gap:48px;margin-top:4rem;padding-top:2.5rem;border-top:1px solid var(--surface-border)}
.stat-number{font-family:var(--font);font-size:2.5rem;font-weight:700;color:var(--accent)}
.stat-label{font-family:var(--mono);font-size:0.65rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.15em}

/* ═══ SERVICES ═══ */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:2px;margin-top:2.5rem;
  border:1.5px solid var(--surface-border)}
.service-card{padding:32px 24px;background:var(--surface);border:0.5px solid var(--surface-border);
  transition:var(--transition);position:relative}
.service-card:hover{background:#16161f}
.service-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;
  background:var(--accent);transform:scaleX(0);transition:transform 0.4s;transform-origin:left}
.service-card:hover::after{transform:scaleX(1)}
.service-icon{margin-bottom:1.2rem;height:36px}
.service-icon img{width:36px;height:36px}
.service-card h3{font-size:1rem;font-weight:700;margin-bottom:0.5rem}
.service-card p{font-size:0.85rem;color:var(--text-muted);line-height:1.5}

/* ═══ PORTFOLIO ═══ */
.portfolio-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2px;
  margin-top:2.5rem;border:1.5px solid var(--surface-border)}
.project-card{background:var(--surface);overflow:hidden;cursor:pointer;transition:var(--transition)}
.project-card:hover{background:#16161f}
.project-mockup{width:100%;aspect-ratio:16/10;position:relative;overflow:hidden}
.project-mockup .browser-bar{position:absolute;top:0;left:0;right:0;height:28px;
  background:rgba(0,0,0,0.7);display:flex;align-items:center;padding:0 10px;gap:5px;z-index:2}
.browser-dot{width:7px;height:7px;border-radius:50%}
.browser-dot:nth-child(1){background:#ff5f56}.browser-dot:nth-child(2){background:#ffbd2e}.browser-dot:nth-child(3){background:#27c93f}
.project-mockup .screen{position:absolute;top:0;left:0;right:0;transition:transform 8s cubic-bezier(0.25,0.1,0.25,1)}
.project-card:hover .screen{transform:translateY(calc(-100% + 200px))}
.project-info{padding:16px 20px;border-top:1px solid var(--surface-border)}
.project-name{font-size:1rem;font-weight:700;margin-bottom:2px}
.project-type{font-family:var(--mono);font-size:0.7rem;color:var(--text-muted);letter-spacing:0.05em;margin-bottom:10px}
.project-tags{display:flex;flex-wrap:wrap;gap:4px}
.tag{font-family:var(--mono);font-size:0.6rem;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;
  padding:3px 8px;border:1px solid var(--accent-border);color:var(--accent)}

/* Project screens — real screenshots */
.screen img{width:100%;height:auto;display:block}
.project-card[data-project="biciraptor"] .screen{background:linear-gradient(135deg,#23311A,#7C9F29 50%,#a4d65e)}


/* ═══ TECH STACK ═══ */
.stack-marquee{overflow:hidden;margin-top:2.5rem;
  mask-image:linear-gradient(90deg,transparent,black 8%,black 92%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,black 8%,black 92%,transparent)}
.marquee-track{display:flex;gap:2px;animation:marquee 25s linear infinite;width:max-content}
.marquee-track:hover{animation-play-state:paused}
.stack-item{display:flex;align-items:center;gap:8px;padding:10px 20px;background:var(--surface);
  border:1px solid var(--surface-border);white-space:nowrap;font-family:var(--mono);
  font-size:0.75rem;font-weight:700;letter-spacing:0.05em}
.stack-icon{width:16px;height:16px;flex-shrink:0}
.stack-categories{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:2px;margin-top:2px;border:1.5px solid var(--surface-border)}
.stack-category{padding:24px;background:var(--surface)}
.stack-category h4{font-family:var(--mono);font-size:0.65rem;text-transform:uppercase;
  letter-spacing:0.15em;color:var(--accent);margin-bottom:1rem;padding-bottom:8px;border-bottom:1px solid var(--surface-border)}
.stack-list{display:flex;flex-wrap:wrap;gap:6px}
.stack-pill{font-family:var(--mono);font-size:0.7rem;padding:4px 10px;
  border:1px solid var(--surface-border);color:var(--text-muted);transition:var(--transition)}
.stack-pill:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}

/* ═══ PROCESS ═══ */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;margin-top:2.5rem;
  border:1.5px solid var(--surface-border)}
.process-step{padding:32px 20px;background:var(--surface);text-align:center;
  transition:var(--transition);position:relative}
.process-step:hover{background:#16161f}
.step-number{font-family:var(--mono);font-size:2rem;font-weight:700;color:var(--text-dim);
  margin-bottom:1rem;transition:color 0.3s}
.process-step:hover .step-number{color:var(--accent)}
.process-icon{margin-bottom:0.8rem}
.process-icon img{width:28px;height:28px;opacity:0.5;transition:opacity 0.3s}
.process-step:hover .process-icon img{opacity:1}
.process-step h3{font-size:0.95rem;font-weight:700;margin-bottom:0.5rem}
.process-step p{font-size:0.8rem;color:var(--text-muted);line-height:1.5}

/* ═══ CTA ═══ */
.cta-section{text-align:center;position:relative}
.cta-section h2{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:0.75rem}
.cta-section p{color:var(--text-muted);margin-bottom:2rem;font-size:0.95rem}
.social-links{display:flex;gap:2px;justify-content:center;margin-top:2rem}
.social-link{width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--surface-border);color:var(--text-muted);
  text-decoration:none;font-size:1.1rem;transition:var(--transition)}
.social-link:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}
.social-icon{width:20px;height:20px;opacity:0.6;transition:opacity 0.3s}
.social-link:hover .social-icon{opacity:1}

/* ═══ EVALUATION FORM ═══ */
#evaluacion{padding-top:80px}
.eval-progress{display:flex;align-items:center;gap:0;margin-bottom:2.5rem;overflow-x:auto;padding-bottom:8px}
.eval-progress-step{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:0.65rem;
  font-weight:700;text-transform:uppercase;letter-spacing:0.1em;color:var(--text-dim);white-space:nowrap}
.eval-progress-step.active{color:var(--accent)}
.eval-progress-step.completed{color:var(--text-muted)}
.eval-progress-num{width:26px;height:26px;display:flex;align-items:center;justify-content:center;
  border:1.5px solid var(--surface-border);font-size:0.65rem;flex-shrink:0}
.eval-progress-step.active .eval-progress-num{background:var(--accent);color:var(--bg);border-color:var(--accent)}
.eval-progress-step.completed .eval-progress-num{border-color:var(--text-muted)}
.eval-progress-line{width:32px;height:1px;background:var(--surface-border);flex-shrink:0;margin:0 6px}
.eval-card{max-width:860px;margin:0 auto}
.eval-step{display:none}.eval-step.active{display:block}
.eval-step h2{font-size:1.6rem;margin-bottom:0.4rem}
.eval-step>p{color:var(--text-muted);margin-bottom:1.5rem;font-size:0.9rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-group{display:flex;flex-direction:column;gap:5px}
.form-group label{font-family:var(--mono);font-size:0.65rem;font-weight:700;
  text-transform:uppercase;letter-spacing:0.12em;color:var(--text-muted)}
.form-group input,.form-group textarea,.form-group select{
  background:rgba(255,255,255,0.03);border:1.5px solid var(--surface-border);
  padding:12px 14px;color:var(--text);font-family:var(--font);font-size:0.9rem;
  transition:border-color 0.3s;outline:none;width:100%}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--accent)}
.form-group textarea{resize:vertical;min-height:110px}
.form-group select option{background:var(--bg)}
.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:1.5rem}
.options-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:2px;
  border:1.5px solid var(--surface-border)}
.option-card{padding:14px 18px;background:var(--surface);cursor:pointer;transition:var(--transition);text-align:center}
.option-card:hover{background:#16161f}
.option-card.selected{border-color:var(--accent);background:var(--accent-dim);box-shadow:inset 0 0 0 1.5px var(--accent)}
.option-card input{display:none}
.option-label{font-weight:700;font-size:0.85rem}
.option-desc{font-family:var(--mono);font-size:0.7rem;color:var(--text-muted);margin-top:3px}
.eval-success{text-align:center;padding:50px 20px}
.eval-success .check-icon{width:70px;height:70px;border:2px solid var(--accent);
  display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;font-size:1.8rem;color:var(--accent)}
.hint{font-family:var(--mono);font-size:0.65rem;color:var(--text-dim);text-transform:uppercase;
  letter-spacing:0.1em;text-align:center;margin-top:3rem}

/* ═══ FOOTER ═══ */
.footer{padding:32px 0;border-top:1px solid var(--surface-border);text-align:center}
.footer p{font-family:var(--mono);font-size:0.7rem;color:var(--text-dim);letter-spacing:0.05em}
.footer a{color:var(--accent);text-decoration:none}

/* ═══ ANIMATIONS ═══ */
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0.3}}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.reveal{opacity:0;transform:translateY(20px);transition:opacity 0.6s ease,transform 0.6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ═══ RESPONSIVE ═══ */
@media(max-width:768px){
  section{padding:70px 0}
  .nav-links,.nav-cta{display:none}.hamburger{display:block}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;
    background:rgba(10,10,15,0.96);padding:20px 24px;border-bottom:1px solid var(--surface-border)}
  .hero-stats{flex-direction:column;gap:20px}
  .portfolio-grid,.services-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr 1fr}
  .form-row{grid-template-columns:1fr}
  .eval-card{padding:24px 16px}
  .hero h1{font-size:clamp(2.5rem,14vw,4.5rem)}
}
@media(max-width:480px){
  .container{padding:0 16px}
  .options-grid{grid-template-columns:1fr}
  .hero-ctas{flex-direction:column}
  .process-grid{grid-template-columns:1fr}
}