/* ═══════════════════════════════════════════════════════
   Francisco Pediconi — Portfolio Styles
   Custom design system. No templates, no recycled components.
   ═══════════════════════════════════════════════════════ */

/* ── 1. CSS Custom Properties ───────────────────────── */
:root {
  --bg-0: #03040a;
  --bg-1: #060810;
  --bg-2: #0b0f1a;
  --bg-3: #0f1523;
  --bg-4: #141d30;

  --cyan:       #00d4ff;
  --cyan-dim:   rgba(0, 212, 255, 0.25);
  --cyan-glow:  rgba(0, 212, 255, 0.12);
  --violet:     #8b5cf6;
  --violet-dim: rgba(139, 92, 246, 0.25);
  --violet-glow:rgba(139, 92, 246, 0.12);
  --green:      #10b981;
  --green-dim:  rgba(16, 185, 129, 0.25);
  --green-glow: rgba(16, 185, 129, 0.1);
  --amber:      #f59e0b;
  --amber-dim:  rgba(245, 158, 11, 0.2);

  --t0: #ffffff;
  --t1: #e8eaf6;
  --t2: #a0aec0;
  --t3: #64748b;
  --t4: #3a4560;

  --border:     rgba(255, 255, 255, 0.06);
  --border-mid: rgba(255, 255, 255, 0.10);

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --section-pad: clamp(5rem, 10vw, 9rem);
  --container:   min(1100px, 92vw);
  --transition:  0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── 2. Reset ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; text-size-adjust: 100%; }
body {
  background: var(--bg-0);
  color: var(--t1);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, canvas, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.1; }

/* ── 3. Skip Link ───────────────────────────────────── */
.skip-link {
  position: fixed;
  top: 1rem; left: 1rem;
  z-index: 9999;
  padding: .5rem 1rem;
  background: var(--cyan);
  color: var(--bg-0);
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 600;
  transform: translateY(-120%);
  transition: transform .2s;
}
.skip-link:focus { transform: translateY(0); }

/* ── 4. i18n — Language visibility ─────────────────── */
.lang-en { display: none !important; }
html[lang="en"] .lang-es { display: none !important; }
html[lang="en"] .lang-en { display: revert !important; }

/* ── Lang toggle button ──────────────────────────────── */
.lang-toggle {
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--t3);
  padding: .3rem .7rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}
.lang-toggle:hover {
  color: var(--cyan);
  border-color: var(--cyan-dim);
  background: var(--cyan-glow);
}

/* Obsession intro paragraph ──────────────────────────── */
.obs-intro {
  margin-top: 1.5rem;
  font-size: clamp(.9375rem, 1.8vw, 1.05rem);
  color: var(--t2);
  line-height: 1.75;
  max-width: 700px;
  border-left: 2px solid var(--cyan-dim);
  padding-left: 1.25rem;
}

/* ── 5. Navigation ──────────────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0;
  transform: translateY(-100%);
  transition: transform .4s cubic-bezier(.4,0,.2,1), background .4s;
}
#nav.visible {
  transform: translateY(0);
  background: rgba(3, 4, 10, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .875rem 1rem;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
  color: var(--t1);
  letter-spacing: .02em;
  transition: color var(--transition);
}
.nav-logo:hover { color: var(--cyan); }
.logo-bracket { color: var(--cyan); }
.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  font-size: .8125rem;
  font-weight: 500;
  color: var(--t3);
  letter-spacing: .06em;
  text-transform: lowercase;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 100%;
  height: 1px;
  background: var(--cyan);
  transition: right .3s ease;
}
.nav-links a:hover { color: var(--t1); }
.nav-links a:hover::after { right: 0; }

/* ── 5. Buttons ─────────────────────────────────────── */
.btn-ghost, .btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .9375rem;
  font-weight: 500;
  letter-spacing: .01em;
  transition: all var(--transition);
  cursor: pointer;
}
.btn-ghost {
  border: 1px solid var(--border-mid);
  color: var(--t2);
  background: transparent;
}
.btn-ghost:hover {
  border-color: var(--cyan-dim);
  color: var(--cyan);
  background: var(--cyan-glow);
}
.btn-primary {
  background: var(--cyan);
  color: var(--bg-0);
  font-weight: 600;
  border: 1px solid transparent;
}
.btn-primary:hover {
  background: #33ddff;
  box-shadow: 0 0 24px var(--cyan-dim);
}

/* ── 6. Section Layout Helpers ──────────────────────── */
.section-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--section-pad) 1rem;
}
.section-header {
  margin-bottom: 4rem;
}
.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 500;
  color: var(--cyan);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.section-title {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--t0);
  line-height: 1.08;
}

/* ── 7. Scroll Reveal Animations ────────────────────── */
.reveal,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity .7s ease, transform .7s cubic-bezier(.16, 1, .3, 1);
}
.reveal        { transform: translateY(32px); }
.reveal-left   { transform: translateX(-40px); }
.reveal-right  { transform: translateX(40px); }

.reveal.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible {
  opacity: 1;
  transform: none;
}

/* ── 8. HERO ────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100dvh;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-0);
}
#hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
#hero-bg canvas {
  width: 100% !important;
  height: 100% !important;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem 1.5rem;
  max-width: 960px;
  width: 100%;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .625rem;
  font-family: var(--font-mono);
  font-size: .8125rem;
  color: var(--t3);
  margin-bottom: 1.75rem;
  letter-spacing: .06em;
}
.eyebrow-sep { color: var(--t4); }
.hero-status {
  display: flex;
  align-items: center;
  gap: .4rem;
  color: var(--green);
}
.status-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-dot 2s ease infinite;
}
.hero-taglines {
  margin: 1.75rem 0;
}
.tagline {
  display: block;
  line-height: 1.55;
}
.t1 { animation: tagline-in .6s .9s  both; }
.t2 { animation: tagline-in .6s 1.2s both; }
.t3 { animation: tagline-in .6s 1.5s both; }

.hero-role {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: .5rem .75rem;
  margin-bottom: 2.5rem;
  font-family: var(--font-mono);
  font-size: clamp(.7rem, 1.6vw, .9rem);
  color: var(--t3);
  letter-spacing: .06em;
  animation: tagline-in .6s 1.9s both;
  opacity: 0;
}
.role-item { color: var(--t2); }
.role-sep  { color: var(--t4); }
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: tagline-in .6s 2.2s both;
  opacity: 0;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  z-index: 2;
  animation: tagline-in .6s 2.8s both;
  opacity: 0;
}
.scroll-track {
  width: 1px;
  height: 40px;
  background: var(--border);
  border-radius: 1px;
  overflow: hidden;
}
.scroll-thumb {
  width: 100%;
  height: 14px;
  background: var(--cyan);
  border-radius: 1px;
  animation: scroll-bounce 1.8s ease-in-out infinite;
}
.scroll-label {
  font-family: var(--font-mono);
  font-size: .65rem;
  color: var(--t4);
  letter-spacing: .1em;
}

/* ── 9. OBSESSION ───────────────────────────────────── */
#obsession {
  position: relative;
  background: var(--bg-1);
  overflow: hidden;
}
#growth-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  opacity: .4;
  pointer-events: none;
  z-index: 0;
}
#obsession .section-container { position: relative; z-index: 1; }
.obsession-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 310px), 1fr));
  gap: 2px;
  margin-top: 1rem;
}
.obsession-block {
  background: var(--bg-2);
  padding: 2.5rem 2rem;
  position: relative;
  border: 1px solid var(--border);
  transition: border-color var(--transition), background var(--transition);
}
.obsession-block:hover {
  background: var(--bg-3);
  border-color: var(--border-mid);
}
.obsession-block::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .6s ease;
}
.obsession-block.is-visible::before { transform: scaleX(1); }
.block-num {
  display: block;
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--cyan);
  letter-spacing: .12em;
  margin-bottom: 1.25rem;
}
.obsession-block h3 {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 600;
  color: var(--t0);
  margin-bottom: 1rem;
  letter-spacing: -.01em;
}
.obsession-block p {
  font-size: .9375rem;
  color: var(--t2);
  line-height: 1.7;
  margin-bottom: .75rem;
}
.obsession-block p:last-child { margin-bottom: 0; }

/* ── 10. PROOF — Common ─────────────────────────────── */
.proof-pillar {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
}
.proof-pillar.proof-alt { background: var(--bg-2); }
.proof-header { margin-bottom: 3.5rem; }
.pillar-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .15em;
  text-transform: uppercase;
  padding: .3rem .8rem;
  border-radius: 3px;
  margin-bottom: 1.25rem;
  border: 1px solid currentColor;
}
.pillar-talent { color: var(--cyan);   border-color: var(--cyan-dim);   background: var(--cyan-glow); }
.pillar-adapt  { color: var(--violet); border-color: var(--violet-dim); background: var(--violet-glow); }
.pillar-dedic  { color: var(--green);  border-color: var(--green-dim);  background: var(--green-glow); }

.proof-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.proof-layout.proof-rev {
  direction: rtl;
}
.proof-layout.proof-rev > * {
  direction: ltr;
}
.proof-lead {
  font-size: clamp(.9375rem, 1.8vw, 1.075rem);
  color: var(--t1);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}
.proof-detail {
  font-size: .9375rem;
  color: var(--t2);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}
.proof-detail em {
  font-style: normal;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: .875rem;
}
.proof-quote {
  border-left: 2px solid var(--cyan);
  padding-left: 1rem;
  color: var(--t1);
  font-style: italic;
}

.proof-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin: 2rem 0;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stat-item { display: flex; flex-direction: column; gap: .25rem; }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--t0);
  letter-spacing: -.03em;
  line-height: 1;
}
.stat-label {
  font-size: .75rem;
  color: var(--t3);
  letter-spacing: .05em;
  text-transform: lowercase;
  font-family: var(--font-mono);
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.5rem;
}
.tech-tag {
  font-family: var(--font-mono);
  font-size: .725rem;
  color: var(--t3);
  padding: .25rem .65rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-2);
  letter-spacing: .02em;
  transition: all .25s;
}
.tech-tag:hover {
  color: var(--cyan);
  border-color: var(--cyan-dim);
  background: var(--cyan-glow);
}

.proof-actions { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
.proof-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .875rem;
  font-weight: 500;
  color: var(--cyan);
  transition: gap var(--transition);
}
.proof-link:hover { gap: .65rem; }
.live-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--green);
  letter-spacing: .08em;
  padding: .25rem .65rem;
  border: 1px solid var(--green-dim);
  border-radius: 30px;
  background: var(--green-glow);
}
.live-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-dot 1.8s ease infinite;
}

/* ── 11. CONEXY — Architecture Diagram ─────────────── */
.proof-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.arch-container {
  width: min(380px, 100%);
  aspect-ratio: 1;
  filter: drop-shadow(0 0 40px rgba(0,212,255,.1));
}
.arch-svg { width: 100%; height: 100%; overflow: visible; }

.arch-line {
  stroke: var(--cyan-dim);
  stroke-width: 1;
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  transition: stroke-dashoffset .6s ease;
}
.arch-container.is-visible .arch-line { stroke-dashoffset: 0; }
.arch-line[data-idx="1"] { transition-delay: .1s; }
.arch-line[data-idx="2"] { transition-delay: .2s; }
.arch-line[data-idx="3"] { transition-delay: .3s; }
.arch-line[data-idx="4"] { transition-delay: .4s; }
.arch-line[data-idx="5"] { transition-delay: .5s; }

.arch-glow-ring {
  fill: none;
  stroke: var(--cyan);
  stroke-width: .5;
  opacity: .25;
  animation: ring-spin 12s linear infinite;
  transform-origin: 0 0;
  stroke-dasharray: 8 4;
}
.arch-center {
  fill: var(--bg-3);
  stroke: var(--cyan);
  stroke-width: 1.5;
}
.arch-center-text {
  fill: var(--t0);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: -.01em;
}

.arch-service { opacity: 0; transition: opacity .4s ease; }
.arch-container.is-visible .arch-service { opacity: 1; }
.arch-container.is-visible .arch-service[data-idx="0"] { transition-delay: .15s; }
.arch-container.is-visible .arch-service[data-idx="1"] { transition-delay: .25s; }
.arch-container.is-visible .arch-service[data-idx="2"] { transition-delay: .35s; }
.arch-container.is-visible .arch-service[data-idx="3"] { transition-delay: .45s; }
.arch-container.is-visible .arch-service[data-idx="4"] { transition-delay: .55s; }
.arch-container.is-visible .arch-service[data-idx="5"] { transition-delay: .65s; }

.arch-service-node {
  fill: var(--bg-3);
  stroke: var(--border-mid);
  stroke-width: 1;
  transition: fill .3s, stroke .3s;
}
.arch-service:hover .arch-service-node {
  fill: var(--bg-4);
  stroke: var(--cyan-dim);
}
.arch-service-text {
  fill: var(--t3);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: .01em;
}

/* ── 12. MACHETITO — Stack Flow ─────────────────────── */
.machetito-visual {
  justify-content: flex-start;
  padding: 1rem 0;
}
.stack-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
  width: 100%;
  max-width: 340px;
}
.stack-layer {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-3);
  transition: border-color var(--transition), background var(--transition);
  position: relative;
}
.stack-layer:hover {
  background: var(--bg-4);
}
.layer-android { border-color: rgba(0, 212, 255, .2); }
.layer-android:hover { border-color: var(--cyan-dim); }
.layer-ai      { border-color: rgba(139, 92, 246, .2); }
.layer-ai:hover { border-color: var(--violet-dim); }
.layer-backend { border-color: rgba(16, 185, 129, .2); }
.layer-backend:hover { border-color: var(--green-dim); }

.layer-icon {
  font-size: 1.25rem;
  width: 36px;
  text-align: center;
  flex-shrink: 0;
}
.layer-android .layer-icon { color: var(--cyan); }
.layer-ai      .layer-icon { color: var(--violet); }
.layer-backend .layer-icon { color: var(--green); }

.layer-name {
  display: block;
  font-family: var(--font-display);
  font-size: .9375rem;
  font-weight: 600;
  color: var(--t0);
  margin-bottom: .2rem;
}
.layer-tech {
  display: block;
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--t3);
  letter-spacing: .03em;
}
.stack-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: .5rem 0;
  position: relative;
}
.arrow-line {
  width: 1px;
  height: 28px;
  background: linear-gradient(to bottom, var(--violet-dim), var(--cyan-dim));
  position: relative;
}
.arrow-line::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: -3px;
  width: 7px;
  height: 7px;
  border-bottom: 1px solid var(--cyan-dim);
  border-right: 1px solid var(--cyan-dim);
  transform: rotate(45deg);
}
.arrow-label {
  font-family: var(--font-mono);
  font-size: .65rem;
  color: var(--t4);
  letter-spacing: .06em;
  margin-top: .35rem;
}

/* ── 13. TEACHING ───────────────────────────────────── */
.teaching-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.teaching-narrative { padding-top: .5rem; }
#dev-grid-canvas {
  width: 100%;
  max-width: 340px;
  border-radius: var(--radius-md);
}
.dev-grid-stat {
  margin-top: 1.5rem;
  display: flex;
  align-items: baseline;
  gap: .75rem;
}
.dev-stat {
  font-size: clamp(2.5rem, 6vw, 4rem) !important;
  color: var(--green) !important;
}
.dev-stat-label {
  font-size: .875rem;
  color: var(--t3);
  font-family: var(--font-mono);
}

/* ── 14. SKILLS CONSTELLATION ───────────────────────── */
.proof-skills { background: var(--bg-0); }
.constellation-wrap {
  position: relative;
  margin-bottom: 4rem;
}
#constellation-canvas {
  width: 100%;
  max-height: 460px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: radial-gradient(ellipse at center, var(--bg-2) 0%, var(--bg-0) 100%);
  cursor: crosshair;
}
.constellation-legend {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--t3);
  letter-spacing: .04em;
}
.legend-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-deep { background: var(--cyan); box-shadow: 0 0 6px var(--cyan-dim); }
.dot-adv  { background: var(--violet); box-shadow: 0 0 6px var(--violet-dim); }
.dot-comp { background: var(--t4); }

/* ── 15. OPEN SOURCE CARDS ──────────────────────────── */
.opensource-section { padding-top: 1rem; }
.os-title {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 600;
  color: var(--t1);
  margin-bottom: 1.75rem;
  letter-spacing: -.02em;
}
.os-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.os-card {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 1.5rem;
  background: var(--bg-1);
  transition: background var(--transition);
  cursor: pointer;
}
.os-card:hover { background: var(--bg-3); }
.os-card:hover .os-glyph { color: var(--cyan); }
.os-glyph {
  font-size: 1.1rem;
  color: var(--t4);
  transition: color var(--transition);
  display: block;
  margin-bottom: .25rem;
}
.os-name {
  font-family: var(--font-display);
  font-size: .9375rem;
  font-weight: 600;
  color: var(--t1);
  display: block;
}
.os-desc {
  font-size: .8125rem;
  color: var(--t3);
  line-height: 1.6;
  display: block;
}

/* ── 16. CLOSING ────────────────────────────────────── */
#contact {
  position: relative;
  background: var(--bg-0);
  overflow: hidden;
}
.closing-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(0,212,255,.04) 0%, transparent 70%);
  pointer-events: none;
}
.closing-container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: clamp(5rem, 12vw, 10rem);
  padding-bottom: clamp(5rem, 12vw, 10rem);
}
.closing-label {
  margin-bottom: 2rem;
  display: block;
}
.closing-title {
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: 1.05;
  color: var(--t0);
  margin-bottom: 1.5rem;
}
.closing-accent {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.closing-sub {
  font-size: clamp(.9375rem, 2vw, 1.125rem);
  color: var(--t3);
  margin-bottom: 3rem;
  max-width: 480px;
}
.closing-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
}
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .875rem 1.75rem;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  color: var(--t2);
  transition: all var(--transition);
  background: var(--bg-2);
}
.contact-link svg { flex-shrink: 0; }
.email-link:hover {
  border-color: var(--cyan-dim);
  color: var(--cyan);
  background: var(--cyan-glow);
}
.github-link:hover {
  border-color: var(--violet-dim);
  color: var(--violet);
  background: var(--violet-glow);
}

.closing-open {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 4rem;
  max-width: 700px;
}
.co-label {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--t3);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.co-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.co-tag {
  font-size: .85rem;
  color: var(--t1);
  background: var(--bg-2);
  border: 1px solid var(--border-mid);
  border-radius: 100px;
  padding: .35rem 1.1rem;
  transition: border-color .25s, color .25s;
}
.co-tag:hover {
  border-color: var(--cyan-dim);
  color: var(--cyan);
}
.co-response {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--green);
}
.co-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
  animation: pulse-dot 2s ease infinite;
}

.easter-hint {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--t4);
  margin-bottom: 3rem;
  cursor: pointer;
  letter-spacing: .03em;
  transition: color .3s;
}
.easter-hint:hover { color: var(--cyan); }

/* ── 17. Footer ─────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
  text-align: center;
  width: 100%;
}
.site-footer p {
  font-size: .8125rem;
  color: var(--t4);
  line-height: 1.8;
}
.footer-stack {
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

/* ── 18. Easter Egg Overlay ─────────────────────────── */
.easter-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(3, 4, 10, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
  padding: 1rem;
}
.easter-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.easter-panel {
  position: relative;
  background: var(--bg-3);
  border: 1px solid var(--cyan-dim);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  max-width: 560px;
  width: 100%;
  box-shadow: 0 0 60px rgba(0, 212, 255, .08);
  transform: scale(.95) translateY(16px);
  transition: transform .35s cubic-bezier(.16,1,.3,1);
}
.easter-overlay.open .easter-panel {
  transform: scale(1) translateY(0);
}
.easter-close {
  position: absolute;
  top: 1rem; right: 1.25rem;
  font-size: 1.5rem;
  color: var(--t3);
  transition: color .2s;
  line-height: 1;
}
.easter-close:hover { color: var(--t0); }
.easter-body {
  font-family: var(--font-mono);
  font-size: .825rem;
  color: var(--cyan);
  line-height: 1.9;
  white-space: pre-wrap;
}
.easter-body .e-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--t0);
  display: block;
  margin-bottom: 1rem;
  font-style: normal;
}
.easter-body .e-dim { color: var(--t4); }
.easter-body .e-green { color: var(--green); }
.easter-body .e-violet { color: var(--violet); }

/* ── 19. Keyframe Animations ────────────────────────── */
@keyframes tagline-in {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .5; transform: scale(.8); }
}
@keyframes scroll-bounce {
  0%  { transform: translateY(-100%); }
  60% { transform: translateY(200%); }
  100%{ transform: translateY(-100%); }
}
@keyframes ring-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes float-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}

/* ── 20. Reduced Motion ─────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal, .reveal-left, .reveal-right {
    opacity: 1 !important;
    transform: none !important;
  }
  #growth-canvas { display: none; }
}

/* ── 21. Responsive ─────────────────────────────────── */
@media (max-width: 900px) {
  .proof-layout,
  .proof-layout.proof-rev,
  .teaching-layout {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: 2.5rem;
  }
  .arch-container { max-width: 300px; margin: 0 auto; }
  .machetito-visual { justify-content: center; }
  .stack-flow { max-width: 100%; }
  #dev-grid-canvas { max-width: 100%; }
}

@media (max-width: 640px) {
  :root { --section-pad: clamp(3.5rem, 8vw, 5rem); }

  .obsession-block { padding: 2rem 1.25rem; }

  .hero-actions { flex-direction: column; align-items: center; }
  .btn-ghost, .btn-primary { width: 100%; max-width: 280px; justify-content: center; }

  .proof-stats { gap: 1.25rem; }
  .stat-num { font-size: 1.75rem !important; }

  .closing-title { font-size: clamp(2rem, 9vw, 3rem); }

  .os-grid { grid-template-columns: 1fr; }

  #constellation-canvas { max-height: 320px; }

  .nav-links { gap: 1.25rem; }
  .nav-links a { font-size: .75rem; }
}

@media (max-width: 380px) {
  .hero-eyebrow { flex-wrap: wrap; justify-content: center; }
  .closing-links { flex-direction: column; align-items: center; }
  .contact-link { width: 100%; justify-content: center; max-width: 300px; }
}

/* ── 22. Focus Visible (accessibility) ──────────────── */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 2px;
}
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ── 23. Selection ──────────────────────────────────── */
::selection {
  background: var(--cyan-dim);
  color: var(--t0);
}