/* =========================================================================
   Carlos Morillas López — Portfolio
   Estética: terminal-tech · minimalista · moderna
   Autor del código: generado a medida (sin frameworks, sin build)
   ========================================================================= */

/* ------------------------------ Tokens ---------------------------------- */
:root {
  /* Base oscura, neutro-frío con calidez sutil */
  --bg:          #0a0c10;
  --bg-2:        #0d1016;
  --panel:       #12161f;
  --panel-2:     #161b26;
  --border:      rgba(255,255,255,0.08);
  --border-soft: rgba(255,255,255,0.05);

  --text:        #e8ecf3;
  --text-mute:   #98a2b5;
  --text-dim:    #5b6474;

  /* Acento terminal (verde) + secundario cian */
  --accent:      #4ee68f;
  --accent-2:    #38bdf8;
  --accent-3:    #a78bfa;
  --accent-soft: rgba(78,230,143,0.12);
  --accent-line: rgba(78,230,143,0.35);

  --danger:      #ff6b6b;
  --warn:        #ffd166;

  --font-mono:   "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --font-sans:   "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-disp:   "Space Grotesk", var(--font-sans);

  --maxw: 1140px;
  --radius: 14px;
  --radius-lg: 20px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease:     cubic-bezier(0.4, 0, 0.2, 1);

  --shadow: 0 20px 50px -20px rgba(0,0,0,0.7);
  --glow:   0 0 0 1px var(--accent-line), 0 12px 40px -12px rgba(78,230,143,0.35);
}

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

html {
  overflow-x: clip;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scrollbar-color: var(--accent-line) transparent;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
}

/* Fondo: grid sutil + halos de acento */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 50% at 82% -5%, rgba(56,189,248,0.10), transparent 60%),
    radial-gradient(55% 45% at 8% 8%, rgba(78,230,143,0.10), transparent 55%),
    radial-gradient(45% 40% at 50% 110%, rgba(167,139,250,0.08), transparent 60%);
  pointer-events: none;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 100% 70% at 50% 0%, #000 40%, transparent 100%);
  pointer-events: none;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
::selection { background: var(--accent); color: #04140b; }

/* ------------------------------ Layout ---------------------------------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
section { position: relative; padding-block: clamp(64px, 9vw, 120px); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.5ch;
}
.eyebrow::before { content: "//"; color: var(--text-dim); }

.section-head { margin-bottom: clamp(32px, 5vw, 56px); max-width: 60ch; }
.section-title {
  font-family: var(--font-disp);
  font-weight: 600;
  font-size: clamp(1.7rem, 4vw, 2.7rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-top: 14px;
  text-wrap: balance;
}
.section-sub { color: var(--text-mute); margin-top: 14px; font-size: 1.02rem; }

.accent { color: var(--accent); }
.accent-2 { color: var(--accent-2); }

/* ------------------------------ Nav ------------------------------------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px clamp(18px, 4vw, 40px);
  background: rgba(10,12,16,0.55);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease), padding .3s var(--ease);
}
.nav.is-scrolled { border-bottom-color: var(--border); background: rgba(10,12,16,0.82); }

.brand {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  white-space: nowrap;
}
.brand .b-dim { color: var(--text-dim); }
.brand .b-accent { color: var(--accent); }
.brand .caret {
  width: 9px; height: 1.05em;
  background: var(--accent);
  margin-left: 4px;
  display: inline-block;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-mute);
  position: relative;
  transition: color .2s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1.5px;
  background: var(--accent);
  transition: width .28s var(--ease-out);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.nav-right { display: flex; align-items: center; gap: 14px; }

.lang-toggle {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 8px;
  display: inline-flex;
  gap: 2px;
  color: var(--text-dim);
  background: rgba(255,255,255,0.02);
}
.lang-toggle span {
  padding: 2px 8px;
  border-radius: 100px;
  transition: color .2s, background .2s;
}
.lang-toggle span.active { background: var(--accent); color: #04140b; }

.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 100px;
  border: 1px solid var(--accent-line);
  color: var(--accent);
  background: var(--accent-soft);
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), background .25s;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: var(--glow); background: rgba(78,230,143,0.18); }

.nav-burger { display: none; }

/* ------------------------------ Buttons --------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 13px 22px;
  border-radius: 100px;
  transition: transform .2s var(--ease), box-shadow .28s var(--ease), background .25s, border-color .25s;
  will-change: transform;
}
.btn svg { width: 17px; height: 17px; }
.btn-primary {
  background: var(--accent);
  color: #04140b;
  box-shadow: 0 10px 30px -10px rgba(78,230,143,0.5);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(78,230,143,0.65); }
.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255,255,255,0.02);
}
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--accent-line); color: var(--accent); }

/* ------------------------------ Hero ------------------------------------ */
.hero {
  padding-top: clamp(120px, 17vw, 180px);
  padding-bottom: clamp(60px, 8vw, 100px);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
}
.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-mute);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px 6px 12px;
  background: rgba(255,255,255,0.02);
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(78,230,143,0.6);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(78,230,143,0.5); }
  70% { box-shadow: 0 0 0 9px rgba(78,230,143,0); }
  100% { box-shadow: 0 0 0 0 rgba(78,230,143,0); }
}
@media (prefers-reduced-motion: reduce) { .status-dot { animation: none; } }

.hero-title {
  font-family: var(--font-disp);
  font-weight: 600;
  font-size: clamp(2.5rem, 6.4vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 20px 0 8px;
  text-wrap: balance;
}
.hero-role {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.3vw, 1.35rem);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 22px;
  letter-spacing: -0.01em;
}
.hero-role .accent { color: var(--accent); }
.hero-role .sep { color: var(--text-dim); margin: 0 8px; }
.hero-intro {
  color: var(--text-mute);
  font-size: 1.08rem;
  max-width: 52ch;
  margin-bottom: 30px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }

.hero-socials { display: flex; align-items: center; gap: 8px; }
.social-btn {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-mute);
  background: rgba(255,255,255,0.02);
  transition: transform .2s var(--ease), color .2s, border-color .2s, background .2s;
}
.social-btn svg { width: 19px; height: 19px; }
.social-btn:hover { transform: translateY(-3px); color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }

/* Terminal-window con foto */
.hero-visual { position: relative; }
.term-window {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}
.term-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(255,255,255,0.02);
}
.term-dot { width: 11px; height: 11px; border-radius: 50%; }
.term-dot.r { background: #ff5f57; }
.term-dot.y { background: #febc2e; }
.term-dot.g { background: #28c840; }
.term-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
}
.term-photo {
  position: relative;
  aspect-ratio: 4 / 4.1;
  overflow: hidden;
}
.term-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 50% 22%;
  filter: grayscale(0.15) contrast(1.03);
  transition: filter .5s var(--ease), transform .8s var(--ease-out);
}
.term-window:hover .term-photo img { filter: grayscale(0) contrast(1.05); transform: scale(1.03); }
.term-photo::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(10,12,16,0.5) 100%);
  pointer-events: none;
}
.term-photo::before {
  content: "";
  position: absolute; inset: 0;
  z-index: 2;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,0.05) 0 2px, transparent 2px 4px);
  mix-blend-mode: overlay;
  opacity: 0.4;
  pointer-events: none;
}
.term-out {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.9;
  padding: 16px 18px 20px;
  border-top: 1px solid var(--border-soft);
  background: var(--bg-2);
}
.term-out .ln { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.term-out .pr { color: var(--accent); }
.term-out .k { color: var(--accent-2); }
.term-out .v { color: var(--text); }
.term-out .c { color: var(--text-dim); }

/* Floating badge */
.hero-badge {
  position: absolute;
  left: -18px; top: 62px; bottom: auto;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  background: var(--panel-2);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  padding: 8px 13px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  animation: floaty 5s ease-in-out infinite;
}
@keyframes floaty { 50% { transform: translateY(-9px); } }
@media (prefers-reduced-motion: reduce) { .hero-badge { animation: none; } }

/* Marquee de tecnologías */
.marquee {
  margin-top: 8px;
  border-block: 1px solid var(--border-soft);
  padding-block: 18px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  gap: 44px;
  width: max-content;
  animation: scrollx 34s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 44px;
  white-space: nowrap;
}
.marquee-track span::after { content: "◦"; color: var(--accent); }
@keyframes scrollx { to { transform: translateX(-50%); } }

/* ------------------------------ About ----------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
.about-text p { color: var(--text-mute); margin-bottom: 18px; font-size: 1.06rem; }
.about-text p strong { color: var(--text); font-weight: 600; }
.about-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 8px 8px;
}
.about-card .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.92rem;
}
.about-card .row:last-child { border-bottom: none; }
.about-card .row .lbl {
  font-family: var(--font-mono);
  color: var(--text-dim);
  font-size: 0.82rem;
  display: inline-flex; gap: 8px; align-items: center;
}
.about-card .row .val { color: var(--text); text-align: right; font-weight: 500; }
.about-card .row .val.ok { color: var(--accent); }

/* ------------------------------ Skills ---------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.skill-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 26px 24px;
  transition: transform .3s var(--ease-out), border-color .3s, box-shadow .3s;
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--ease-out);
}
.skill-card:hover { transform: translateY(-5px); border-color: var(--accent-line); box-shadow: var(--shadow); }
.skill-card:hover::before { transform: scaleX(1); }
.skill-index {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--accent);
}
.skill-icon {
  width: 44px; height: 44px;
  border-radius: 11px;
  display: grid; place-items: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  margin-bottom: 16px;
  font-family: var(--font-mono);
  color: var(--accent);
}
.skill-icon svg { width: 22px; height: 22px; }
.skill-card h3 {
  font-family: var(--font-disp);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.skill-card .skill-desc { color: var(--text-dim); font-size: 0.86rem; margin-bottom: 16px; font-family: var(--font-mono); }
.skill-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.skill-list span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 5px 11px;
  border-radius: 8px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  color: var(--text-mute);
  transition: color .2s, border-color .2s, background .2s;
}
.skill-list span:hover {
  color: var(--accent);
  border-color: var(--accent-line);
  background: var(--accent-soft);
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 5px 11px;
  border-radius: 8px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  color: var(--text-mute);
  transition: color .2s, border-color .2s, background .2s;
}
.skill-card:hover .chip { border-color: var(--border); }
.chip:hover { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }

/* ------------------------------ Projects -------------------------------- */
.projects { background: linear-gradient(180deg, transparent, rgba(255,255,255,0.012), transparent); }
.proj-list { display: grid; gap: 26px; }
.proj-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 0;
  align-items: stretch;
  transition: transform .35s var(--ease-out), border-color .3s, box-shadow .3s, background .3s;
  position: relative;
}
.proj-card:hover { transform: translateY(-5px); border-color: var(--accent-line); box-shadow: var(--shadow); background: var(--panel-2); }

.proj-content {
  padding: 32px 34px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.proj-head { display: flex; align-items: center; gap: 11px; flex-wrap: wrap; margin-bottom: 12px; }
.proj-idx {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  border-radius: 8px;
  padding: 2px 8px;
}
.proj-kind {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}
.proj-title {
  font-family: var(--font-disp);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  width: 100%;
  margin-top: 2px;
}
.proj-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid var(--accent-line);
  color: var(--accent);
  background: var(--accent-soft);
}
.proj-tag.alt { border-color: rgba(56,189,248,0.35); color: var(--accent-2); background: rgba(56,189,248,0.1); }
.proj-tag.alt3 { border-color: rgba(167,139,250,0.35); color: var(--accent-3); background: rgba(167,139,250,0.1); }
.proj-desc { color: var(--text-mute); font-size: 0.95rem; margin-bottom: 16px; }
.proj-desc .hl { color: var(--text); font-weight: 500; }
.proj-highlights {
  list-style: none;
  display: grid;
  gap: 9px;
  margin-bottom: 18px;
  color: var(--text-mute);
  font-size: 0.86rem;
}
.proj-highlights li {
  position: relative;
  padding-left: 25px;
}
.proj-highlights li::before {
  content: "↳";
  position: absolute;
  left: 0;
  color: var(--accent-3);
  font-family: var(--font-mono);
}
.proj-stack { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 20px; }
.proj-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; }
.proj-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  color: var(--text-mute);
  background: rgba(255,255,255,0.02);
  transition: color .2s, border-color .2s, background .2s, transform .2s;
}
.proj-link svg { width: 15px; height: 15px; }
.proj-link:hover { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); transform: translateY(-1px); }
.proj-link.primary { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }

/* Media / mockup */
.proj-media {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 80% 0%, rgba(56,189,248,0.10), transparent 60%),
    var(--bg-2);
  border-left: 1px solid var(--border);
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px;
}
.proj-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  border-radius: 12px;
  filter: drop-shadow(0 18px 40px rgba(0,0,0,0.55));
  transition: transform .5s var(--ease-out);
}
.proj-card:hover .proj-media img { transform: scale(1.02); }
/* Alterna el lado de la imagen */
.proj-card.rev .proj-content { order: 2; }
.proj-card.rev .proj-media { order: 1; border-left: none; border-right: 1px solid var(--border); }

/* ------------------------------ Timeline -------------------------------- */
.timeline { position: relative; max-width: 820px; }
.tl-item {
  position: relative;
  padding-left: 40px;
  padding-bottom: 38px;
  border-left: 1.5px solid var(--border);
}
.tl-item:last-child { border-left-color: transparent; padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -7.5px; top: 3px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px var(--bg), 0 0 14px rgba(78,230,143,0.5);
}
.tl-item.dim::before { border-color: var(--text-dim); box-shadow: 0 0 0 4px var(--bg); }
.tl-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.02em;
}
.tl-item.dim .tl-date { color: var(--text-dim); }
.tl-title { font-family: var(--font-disp); font-size: 1.2rem; font-weight: 600; margin: 5px 0 2px; }
.tl-place { color: var(--text-mute); font-size: 0.92rem; }
.tl-desc { color: var(--text-dim); font-size: 0.92rem; margin-top: 6px; max-width: 60ch; }

/* ------------------------------ Certs ----------------------------------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.cert-card {
  display: flex;
  align-items: center;
  gap: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 22px 24px;
  transition: transform .3s var(--ease-out), border-color .3s, box-shadow .3s;
}
.cert-card:hover { transform: translateY(-4px); border-color: var(--accent-line); box-shadow: var(--shadow); }
.cert-badge {
  flex: none;
  width: 52px; height: 52px;
  border-radius: 13px;
  display: grid; place-items: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
}
.cert-info { min-width: 0; flex: 1; }
.cert-name { font-family: var(--font-disp); font-weight: 600; font-size: 1.05rem; }
.cert-issuer { color: var(--text-mute); font-size: 0.86rem; font-family: var(--font-mono); }
.cert-link {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-dim);
  display: inline-flex; align-items: center; gap: 6px;
  transition: color .2s;
}
.cert-link:hover { color: var(--accent); }
.cert-link svg { width: 14px; height: 14px; }
.cert-verify {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-dim);
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: color .2s, border-color .2s, background .2s;
}
.cert-verify svg { width: 14px; height: 14px; }
.cert-card:hover .cert-verify { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }
@media (max-width: 460px) {
  .cert-verify span { display: none; }
  .cert-verify { padding: 6px; }
}

/* ------------------------ Terminal interactiva -------------------------- */
.playground .term-window { max-width: 860px; margin-inline: auto; }
.iterm {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  background: var(--bg-2);
  padding: 20px;
  min-height: 340px;
  max-height: 420px;
  overflow-y: auto;
  line-height: 1.75;
}
.iterm-line { white-space: pre-wrap; word-break: break-word; }
.iterm-line .pr { color: var(--accent); }
.iterm-line .u { color: var(--accent-2); }
.iterm-line .cmd { color: var(--text); }
.iterm-line .muted { color: var(--text-dim); }
.iterm-line .ok { color: var(--accent); }
.iterm-line .warn { color: var(--warn); }
.iterm-line .err { color: var(--danger); }
.iterm-line a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 2px; }
.iterm-input-row { display: flex; align-items: center; gap: 8px; }
.iterm-input-row .pr { color: var(--accent); font-family: var(--font-mono); white-space: nowrap; }
.iterm-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  caret-color: var(--accent);
  padding: 0;
}
.iterm-hint {
  text-align: center;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-top: 16px;
}
.iterm-hint b { color: var(--accent); font-weight: 600; }

/* ------------------------------ Contact --------------------------------- */
.contact { text-align: center; }
.contact-inner {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(60% 120% at 50% 0%, rgba(78,230,143,0.08), transparent 70%),
    var(--panel);
  padding: clamp(40px, 7vw, 80px) clamp(24px, 5vw, 60px);
  position: relative;
  overflow: hidden;
}
.contact-inner .eyebrow { justify-content: center; }
.contact-title {
  font-family: var(--font-disp);
  font-size: clamp(1.9rem, 5vw, 3.2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 14px 0 10px;
  text-wrap: balance;
}
.contact-sub { color: var(--text-mute); max-width: 46ch; margin: 0 auto 30px; font-size: 1.05rem; }
.contact-mail {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3vw, 1.4rem);
  color: var(--accent);
  display: inline-flex; align-items: center; gap: 10px;
  padding-bottom: 4px;
  border-bottom: 1.5px solid transparent;
  transition: border-color .25s;
  margin-bottom: 30px;
  word-break: break-all;
}
.contact-mail:hover { border-bottom-color: var(--accent-line); }
.contact-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ------------------------------ Footer ---------------------------------- */
.footer {
  border-top: 1px solid var(--border);
  padding-block: 40px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer .brand { font-size: 0.85rem; }
.footer-meta { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-dim); }
.footer-socials { display: flex; gap: 10px; }
.footer-socials a { color: var(--text-dim); transition: color .2s, transform .2s; }
.footer-socials a:hover { color: var(--accent); transform: translateY(-2px); }
.footer-socials svg { width: 18px; height: 18px; }

/* ------------------------------ Reveal ---------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-split] { opacity: 1; transform: none; } /* defensa gotcha A.4.5 */
[data-delay="1"] { transition-delay: .08s; }
[data-delay="2"] { transition-delay: .16s; }
[data-delay="3"] { transition-delay: .24s; }
[data-delay="4"] { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none; }
}

/* ------------------------------ Responsive ------------------------------ */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 420px; margin-inline: auto; order: -1; }
  .about-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .proj-card, .proj-card.rev { grid-template-columns: 1fr; }
  .proj-card .proj-content, .proj-card.rev .proj-content { order: 2; }
  .proj-card .proj-media, .proj-card.rev .proj-media {
    order: 1; border-left: none; border-right: none;
    border-bottom: 1px solid var(--border);
    min-height: 0; padding: 20px 20px 0;
  }
  .proj-media img { max-height: 320px; }
}
@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-burger {
    display: grid; place-items: center;
    width: 42px; height: 42px;
    border: 1px solid var(--border); border-radius: 11px;
    color: var(--text);
  }
  .nav-burger svg { width: 20px; height: 20px; }
  .nav.mobile-open .nav-links {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px 24px 22px;
    background: rgba(10,12,16,0.96);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
  }
  .nav.mobile-open .nav-links a { padding: 8px 0; font-size: 0.95rem; }
  .skills-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .proj-content { padding: 24px 22px; }
  .proj-media { padding: 16px 16px 0; }
  .proj-media img { max-height: 260px; }
  .hero-badge { left: 8px; }
  .nav-cta { display: none; }
}
@media (max-width: 460px) {
  .container { padding-inline: 18px; }
  .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
}