@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Mono:wght@400;700&display=swap');

/* ── Variables ── */
:root {
  --navy-950: #060C1A;
  --navy-900: #0A1628;
  --navy-800: #0F1F3D;
  --navy-700: #162645;
  --navy-600: #1E3260;

  --blue:      #2563EB;
  --blue-lt:   #3B82F6;
  --blue-glow: #60A5FA;
  --blue-dim:  rgba(37,99,235,0.15);

  --white:     #FFFFFF;
  --gray-100:  #F1F5F9;
  --gray-300:  #CBD5E1;
  --gray-400:  #94A3B8;
  --gray-600:  #475569;

  --border:    rgba(255,255,255,0.07);
  --border-2:  rgba(255,255,255,0.12);

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: var(--navy-950);
  color: var(--gray-300);
  line-height: 1.6;
  overflow-x: hidden;
}
section[id]:not(#home) { scroll-margin-top: 72px; }
a { text-decoration: none; color: inherit; }

#home.section { padding: 0; scroll-margin-top: 0; }
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ── Layout ── */
.container { width: 90%; max-width: 1140px; margin: 0 auto; position: relative; z-index: 1; }
.section { padding: 64px 0; }
.section-alt { background: var(--navy-900); }

/* ── Typography ── */
h1, h2, h3, h4 { font-family: 'Plus Jakarta Sans', sans-serif; line-height: 1.1; letter-spacing: -0.03em; color: var(--white); }
h1 { font-size: clamp(2.4rem, 5.5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 800; }
h3 { font-size: 1.05rem; font-weight: 700; }
p  { font-size: 0.97rem; color: var(--gray-400); line-height: 1.75; }

/* ── Header ── */
header {
  height: 72px;
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(6,12,26,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
header.scrolled { box-shadow: 0 4px 32px rgba(0,0,0,0.4); }
.header-flex { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.logo {
  height: 48px;
  width: auto;
  transition: opacity 0.2s;
}
.logo:hover { opacity: 0.8; }

@media (max-width: 768px) {
  .logo { height: 38px; }
}

nav { display: flex; align-items: center; gap: 2px; }
nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-400);
  padding: 7px 14px;
  border-radius: var(--r-sm);
  transition: color 0.2s, background 0.2s;
}
nav a:hover { color: var(--white); background: var(--border); }
.btn-nav {
  background: var(--blue) !important;
  color: var(--white) !important;
  border-radius: 40px !important;
  padding: 8px 20px !important;
  margin-left: 8px;
  font-weight: 600 !important;
  box-shadow: 0 0 20px rgba(37,99,235,0.35);
  transition: background 0.2s, box-shadow 0.2s !important;
}
.btn-nav:hover { background: var(--blue-lt) !important; box-shadow: 0 0 28px rgba(59,130,246,0.5) !important; }

/* ── Buttons ── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue);
  color: var(--white);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600; font-size: 0.92rem;
  padding: 13px 26px;
  border-radius: var(--r-sm);
  border: none; cursor: pointer;
  box-shadow: 0 0 24px rgba(37,99,235,0.4);
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}
.btn-primary:hover { background: var(--blue-lt); box-shadow: 0 0 36px rgba(59,130,246,0.55); transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent;
  color: var(--gray-300);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 500; font-size: 0.92rem;
  padding: 12px 24px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border-2);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.btn-secondary:hover { color: var(--white); border-color: rgba(255,255,255,0.3); background: var(--border); }

/* ── Hero ── */
.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 40px 0 60px;
  position: relative;
  overflow: hidden;
}

/* Grid lines background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* Blue glow orb */
.hero::after {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.18) 0%, transparent 65%);
  top: -100px; right: -100px;
  pointer-events: none;
}

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

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue-dim);
  border: 1px solid rgba(37,99,235,0.3);
  color: var(--blue-glow);
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 40px;
  margin-bottom: 24px;
}
.eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--blue-lt); flex-shrink: 0; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(0.8)} }

.hero h1 { margin-bottom: 8px; }
.hero h1 .accent { color: var(--blue-lt); }
.hero-sub { font-size: 1.05rem; color: var(--gray-400); margin: 16px 0 36px; max-width: 480px; line-height: 1.7; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }

.hero-stats {
  display: flex; gap: 32px; flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.hstat-n { font-family: 'Space Mono', monospace; font-size: 1.6rem; font-weight: 700; color: var(--white); line-height: 1; }
.hstat-l { font-size: 0.72rem; color: var(--gray-600); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.05em; }

/* ── Hero illustration SVG ── */
.hero-right { position: relative; z-index: 1; display: flex; align-items: center; justify-content: center; margin-top: -20px; margin-bottom: -20px; }
.hero-visual { width: 100%; max-width: 520px; position: relative; }

/* ── Section labels ── */
.s-label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--blue-glow);
  margin-bottom: 12px;
}
.s-label::before { content: ''; width: 20px; height: 1px; background: var(--blue); }
.s-head { margin-bottom: 52px; }
.s-head.center { text-align: center; }
.s-head.center .s-label { justify-content: center; }
.s-head h2 { margin-bottom: 10px; }
.s-head p { color: var(--gray-400); max-width: 520px; }
.s-head.center p { margin: 0 auto; }

/* ── Services ── */
.services-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r-xl); overflow: hidden; }
.svc-card {
  background: var(--navy-900);
  padding: 36px 32px;
  transition: background 0.25s;
  position: relative;
  overflow: hidden;
}
.svc-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--blue-glow));
  opacity: 0;
  transition: opacity 0.25s;
}
.svc-card:hover { background: var(--navy-800); }
.svc-card:hover::before { opacity: 1; }
.svc-icon {
  width: 48px; height: 48px;
  background: var(--blue-dim);
  border: 1px solid rgba(37,99,235,0.25);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
  transition: background 0.25s, border-color 0.25s;
}
.svc-card:hover .svc-icon { background: rgba(37,99,235,0.25); border-color: rgba(37,99,235,0.5); }
.svc-card h3 { color: var(--white); margin-bottom: 10px; }
.svc-card p  { font-size: 0.88rem; line-height: 1.65; }

/* ── Why cards ── */
.why-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.why-card {
  background: var(--navy-800);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}
.why-card:hover { border-color: rgba(37,99,235,0.4); transform: translateY(-3px); }
.why-num {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem; color: var(--blue-glow);
  margin-bottom: 14px; letter-spacing: 0.1em;
}
.why-card h3 { color: var(--white); margin-bottom: 8px; }
.why-card p  { font-size: 0.88rem; }

/* ── Portfolio ── */
.portfolio-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.port-card {
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  min-height: 260px;
  display: flex; align-items: flex-end;
  background: var(--navy-800);
  background-size: cover; background-position: center;
  border: 1px solid var(--border);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  cursor: pointer;
}
.port-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.4); border-color: rgba(37,99,235,0.4); }
.port-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(6,12,26,0.95) 0%, rgba(6,12,26,0.2) 60%, transparent 100%);
}
.port-card.wide { grid-column: span 1; }
.port-body { position: relative; z-index: 1; padding: 22px; }
.port-tag {
  display: inline-block;
  font-size: 0.62rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 40px;
  margin-bottom: 8px;
  background: var(--blue-dim);
  border: 1px solid rgba(37,99,235,0.3);
  color: var(--blue-glow);
}
.port-tag.amber  { background: rgba(217,119,6,0.15); border-color: rgba(217,119,6,0.3); color: #FCD34D; }
.port-tag.purple { background: rgba(124,58,237,0.15); border-color: rgba(124,58,237,0.3); color: #C4B5FD; }
.port-card h3 { color: var(--white); font-size: 0.97rem; margin-bottom: 4px; }
.port-card p  { color: var(--gray-400); font-size: 0.78rem; line-height: 1.5; }

#medula            { background-image: url('img/bg-medula.jpg'); }
#pesaje            { background-image: url('img/bg-pesaje.jpg'); }
#language-bridging { background-image: url('img/bg-web.jpg'); }
#hornero-jump      { background-image: url('img/bg-hornero.jpg'); }
#pulse-arcade      { background-image: url('img/bg-pulse.jpg'); }
#conectividad      { background-image: url('img/bg-conectividad.jpg'); }

/* ── Educación ── */
.edu-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.edu-left h2 { margin-bottom: 12px; }
.edu-left p  { margin-bottom: 28px; }
.edu-tools { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.edu-tool {
  background: var(--navy-800);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 14px 16px;
  display: flex; align-items: center; gap: 10px;
  font-size: 0.84rem; font-weight: 500;
  color: var(--gray-300);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.edu-tool:hover { border-color: rgba(37,99,235,0.4); color: var(--blue-glow); background: var(--blue-dim); }
.edu-tool span  { font-size: 1.1rem; }

/* ── FAQ ── */
.faq-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.faq-item {
  background: var(--navy-800);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 24px;
  transition: border-color 0.2s;
}
.faq-item:hover { border-color: rgba(37,99,235,0.3); }
.faq-item h3 { color: var(--white); font-size: 0.93rem; margin-bottom: 8px; }
.faq-item p  { font-size: 0.85rem; }

/* ── CTA Band ── */
.cta-band {
  background: var(--navy-800);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 0;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.12) 0%, transparent 65%);
  top: -150px; left: 50%; transform: translateX(-50%);
  pointer-events: none;
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; position: relative; z-index: 1; }
.cta-inner h2 { max-width: 480px; }
.cta-inner p  { color: var(--gray-400); margin-top: 8px; font-size: 0.93rem; }
.cta-btns { display: flex; flex-direction: column; gap: 10px; min-width: 200px; }
.btn-cta-ghost {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: transparent; color: var(--gray-300);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 500; font-size: 0.92rem;
  padding: 12px 24px; border-radius: var(--r-sm);
  border: 1px solid var(--border-2);
  transition: color 0.2s, border-color 0.2s;
}
.btn-cta-ghost:hover { color: var(--white); border-color: rgba(255,255,255,0.3); }

/* ── Contact ── */
.contact-wrap { display: grid; grid-template-columns: 5fr 7fr; gap: 72px; align-items: start; }
.contact-info h2 { margin-bottom: 12px; }
.contact-info > p { margin-bottom: 32px; }
.c-detail { display: flex; align-items: center; gap: 12px; font-size: 0.87rem; color: var(--gray-400); margin-bottom: 14px; }
.c-detail i { color: var(--blue-glow); width: 16px; text-align: center; }
.c-detail a:hover { color: var(--blue-glow); }

.contact-form { display: flex; flex-direction: column; gap: 12px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 12px 15px;
  background: var(--navy-800);
  border: 1px solid var(--border-2);
  border-radius: var(--r-sm);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.92rem;
  color: var(--white);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--gray-600); }
.contact-form select option { background: var(--navy-800); }
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}
.contact-form textarea { resize: vertical; min-height: 130px; }
.contact-form .btn-primary { align-self: flex-start; margin-top: 4px; }

/* ── Footer ── */
footer { background: var(--navy-950); border-top: 1px solid var(--border); padding: 28px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
footer p { font-size: 0.8rem; color: var(--gray-600); }
footer strong { color: var(--gray-400); font-weight: 500; }
.social-links { display: flex; gap: 14px; }
.social-links a { color: var(--gray-600); font-size: 1rem; transition: color 0.2s, transform 0.2s; }
.social-links a:hover { color: var(--blue-glow); transform: translateY(-2px); }

/* ── WhatsApp ── */
.whatsapp-float {
  position: fixed; width: 52px; height: 52px;
  bottom: 24px; right: 24px;
  background: #25d366; color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  box-shadow: 0 4px 20px rgba(37,211,102,0.35);
  z-index: 1000;
  transition: transform 0.2s, box-shadow 0.2s;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,0.5); }

/* ── Reveal animations ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 64px 0; }
  .hero-right { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2,1fr); }
  .portfolio-grid { grid-template-columns: repeat(2,1fr); }
  .port-card.wide { grid-column: span 1; }
  .edu-wrap { grid-template-columns: 1fr; gap: 40px; }
  .contact-wrap { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .why-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-btns { width: 100%; }
  .form-row { grid-template-columns: 1fr; }
  .edu-tools { grid-template-columns: 1fr; }
  h1 { font-size: 2rem; }
  .section { padding: 64px 0; }
  .services-grid { grid-template-columns: 1fr; }
}

/* ── Menú móvil ── */
.nav-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: 10px; width: 44px; height: 44px; padding: 0; cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--white); border-radius: 2px; }
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  nav { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 4px; padding: 16px 20px 20px; background: #060C1A; border-bottom: 1px solid var(--border); }
  nav.open { display: flex; }
  nav a { padding: 14px 12px; font-size: 1rem; }
  .btn-nav { margin: 8px 0 0 !important; text-align: center; }
  .logo { height: 44px; }
  .hero-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px 16px; }
}