/* ============================
   Tokens
   ============================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:            #0b0e14;
  --surface:       #111520;
  --surface2:      #161b27;
  --border:        #1e2535;
  --border-hover:  #d4a017;
  --amber:         #d4a017;
  --amber-dim:     #a37c10;
  --amber-glow:    rgba(212,160,23,0.10);
  --green:         #4ade80;
  --green-bg:      rgba(74,222,128,0.10);
  --green-border:  rgba(74,222,128,0.25);
  --blue:          #60a5fa;
  --blue-bg:       rgba(96,165,250,0.10);
  --blue-border:   rgba(96,165,250,0.20);
  --text:          #e2e8f0;
  --text-2:        #94a3b8;
  --text-3:        #64748b;
  --font-serif:    'Fraunces', Georgia, serif;
  --font-sans:     'DM Sans', system-ui, sans-serif;
  --font-mono:     'Geist Mono', 'JetBrains Mono', monospace;
  --r:             8px;
  --r-lg:          12px;
  --ease:          0.2s ease;
  --max:           1100px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

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

section { padding: 80px 0; }

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 300;
  color: var(--text);
  margin-bottom: 48px;
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.section-title em { font-style: italic; color: var(--amber); }

/* ============================
   Navbar
   ============================ */
#navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11,14,20,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-2);
  font-size: 0.875rem;
  transition: color var(--ease);
  font-weight: 400;
}

.nav-links a:hover { color: var(--amber); }

.lang-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-3);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: border-color var(--ease), color var(--ease);
  letter-spacing: 0.05em;
}

.lang-toggle:hover { border-color: var(--amber); color: var(--amber); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-2);
  border-radius: 2px;
  transition: var(--ease);
}

@media (max-width: 768px) {
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px;
    gap: 16px;
  }
  .nav-links.open { display: flex; }
}

/* ============================
   Hero
   ============================ */
#hero { padding: 96px 0 72px; }

.hero-inner {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 52px;
  align-items: start;
}

/* Photo */
.hero-photo-wrap { position: relative; padding-top: 10px; }

.hero-photo {
  width: 148px;
  height: 148px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  position: relative;
  z-index: 1;
}

.hero-photo-ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid var(--amber-dim);
  opacity: 0.4;
  pointer-events: none;
}

/* Content */
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--amber);
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
  color: var(--text);
}

.hero-tagline-accent {
  font-style: italic;
  color: var(--amber);
}

/* Stack strip */
.hero-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 24px 0 28px;
}

.stack-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 99px;
  border: 1px solid var(--border);
  color: var(--text-3);
  background: var(--surface);
  letter-spacing: 0.04em;
  transition: border-color var(--ease), color var(--ease);
}
.stack-pill:hover { border-color: var(--amber-dim); color: var(--amber); }
.stack-pill.highlight {
  border-color: var(--amber-dim);
  color: var(--amber);
  background: var(--amber-glow);
}

/* Capability strip (hero) */
.hero-capstrip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 24px 0 28px;
}
.cap-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 5px 11px;
  border-radius: 99px;
  border: 1px solid var(--border);
  color: var(--text-3);
  background: var(--surface);
  letter-spacing: 0.04em;
}
.cap-pill.highlight {
  border-color: var(--amber-dim);
  color: var(--amber);
  background: var(--amber-glow);
}

.hero-stats {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.hero-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 12px 20px;
  text-align: center;
  min-width: 88px;
}

.hero-stat-value {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--amber);
  line-height: 1;
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-3);
  margin-top: 4px;
  letter-spacing: 0.05em;
}

.btn-primary {
  display: inline-block;
  background: var(--amber);
  color: #0b0e14;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 28px;
  border-radius: var(--r);
  transition: opacity var(--ease), transform var(--ease);
  font-family: var(--font-sans);
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

@media (max-width: 640px) {
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-photo-wrap { width: 148px; margin: 0 auto; padding-top: 0; }
}

/* ============================
   Stack / anatomía
   ============================ */
#stack { border-top: 1px solid var(--border); }

.stack-subtitle {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 680px;
  margin: -24px 0 40px;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stack-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px;
  transition: border-color var(--ease), transform var(--ease);
}
.stack-card:hover { border-color: var(--amber-dim); transform: translateY(-2px); }

.stack-card-key {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  display: block;
  margin-bottom: 8px;
}

.stack-card-desc { font-size: 0.875rem; color: var(--text-2); line-height: 1.65; }

@media (max-width: 768px) { .stack-grid { grid-template-columns: 1fr; } }

/* ============================
   Plataformas (verticales)
   ============================ */
#platforms { border-top: 1px solid var(--border); }

.platform-list { display: flex; flex-direction: column; gap: 16px; }

.platform {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  gap: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 30px;
  transition: border-color var(--ease), transform var(--ease);
}
.platform:hover { border-color: var(--amber-dim); transform: translateY(-2px); }

.platform-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.platform-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 6px 0 8px;
  color: var(--text);
}

.platform-blurb { font-size: 0.9rem; color: var(--text-2); line-height: 1.65; margin-bottom: 14px; }

.platform-products { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.platform-product {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 9px;
  border-radius: 4px;
  background: var(--blue-bg);
  color: var(--blue);
  border: 1px solid var(--blue-border);
}

.platform-links { display: flex; flex-wrap: wrap; gap: 8px; }
.live-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: var(--r);
  background: var(--green-bg);
  color: var(--green);
  border: 1px solid var(--green-border);
  transition: border-color var(--ease), background var(--ease);
}
.live-btn:hover { border-color: var(--green); }
.live-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px var(--green-bg);
}

.platform-stack { border-left: 1px solid var(--border); padding-left: 24px; }
.platform-stack-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  display: block;
  margin-bottom: 12px;
}

.stack-spine { display: flex; flex-direction: column; gap: 6px; }
.layer {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  color: var(--text-3);
  background: var(--bg);
}
.layer.on {
  color: var(--green);
  border-color: var(--green-border);
  background: var(--green-bg);
  font-weight: 600;
}
.layer.on::before { content: '◆ '; }

.platform-stack-count {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-3);
}

@media (max-width: 768px) {
  .platform { grid-template-columns: 1fr; gap: 20px; }
  .platform-stack { border-left: none; border-top: 1px solid var(--border); padding-left: 0; padding-top: 20px; }
  .stack-spine { flex-direction: row; flex-wrap: wrap; }
}

/* ============================
   About
   ============================ */
#about { border-top: 1px solid var(--border); }

.about-text {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.8;
  max-width: 640px;
  margin-bottom: 40px;
}

.about-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

/* Facts / Timeline */
.about-facts { display: flex; flex-direction: column; gap: 0; }

.about-fact {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.about-fact:last-child { border-bottom: none; }

.about-fact-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  min-width: 90px;
  padding-top: 2px;
}

.about-fact-value {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.5;
}
.about-fact-value strong { color: var(--text); font-weight: 500; }

/* Milestones */
.about-milestones { display: flex; flex-direction: column; gap: 0; }

.milestone {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.milestone:last-child { border-bottom: none; }

.milestone-year {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--amber);
  letter-spacing: 0.05em;
  min-width: 40px;
  padding-top: 2px;
  flex-shrink: 0;
}

.milestone-text {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.5;
}
.milestone-text strong { color: var(--text); font-weight: 500; }

@media (max-width: 768px) {
  .about-body { grid-template-columns: 1fr; }
}

/* ============================
   Contact
   ============================ */
#contact {
  border-top: 1px solid var(--border);
  text-align: center;
}

.contact-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 8px;
}

.contact-title em { font-style: italic; color: var(--amber); }

.contact-subtitle {
  font-size: 1rem;
  color: var(--text-2);
  margin-bottom: 40px;
  font-weight: 300;
}

.contact-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-secondary {
  display: inline-block;
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.875rem;
  padding: 12px 24px;
  border-radius: var(--r);
  transition: border-color var(--ease), color var(--ease);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}
.btn-secondary:hover { border-color: var(--text-2); color: var(--text); }

/* ============================
   Footer
   ============================ */
footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}

/* ============================
   Mobile polish
   ============================ */

/* Hamburger → X */
.nav-hamburger span { transform-origin: center; }
.nav-hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  section { padding: 56px 0; }
  #hero { padding: 48px 0 56px; }

  /* Tap targets full-width and comfortable */
  .btn-primary,
  .btn-secondary { width: 100%; text-align: center; padding: 14px 28px; }
  .contact-actions { flex-direction: column; }

  /* Stats fill the row evenly */
  .hero-stats { gap: 10px; }
  .hero-stat { flex: 1; min-width: 0; }

  .section-title { margin-bottom: 32px; }
}