/* =========================================================
   Felipe Toledano — Portfolio
   Liquid Glass UI · Apple-inspired design system
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  --font-display: "Inter Tight", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 26px;
  --r-xl: 34px;
  --r-full: 999px;

  --maxw: 1160px;
  --gutter: clamp(20px, 5vw, 48px);

  --ease: cubic-bezier(.22, 1, .36, 1);
  --dur: .5s;

  /* Light theme (macOS Sonoma-ish) */
  --bg: #eef1f6;
  --bg-2: #f7f9fc;
  --ink: #0b0d12;
  --ink-2: #40464f;
  --ink-3: #6b727d;

  --accent: #0a84ff;
  --accent-2: #5e5ce6;
  --accent-3: #ff375f;
  --accent-ink: #ffffff;

  --glass-bg: rgba(255, 255, 255, .55);
  --glass-bg-strong: rgba(255, 255, 255, .74);
  --glass-brd: rgba(255, 255, 255, .75);
  --glass-brd-2: rgba(10, 13, 20, .07);
  --glass-hi: rgba(255, 255, 255, .9);
  --shadow-sm: 0 1px 2px rgba(10, 13, 20, .05), 0 4px 14px rgba(10, 13, 20, .06);
  --shadow-md: 0 2px 6px rgba(10, 13, 20, .06), 0 14px 40px rgba(10, 13, 20, .10);
  --shadow-lg: 0 4px 12px rgba(10, 13, 20, .08), 0 30px 70px rgba(10, 13, 20, .16);

  --blur: 26px;
  --orb-1: #7cc4ff;
  --orb-2: #b79cff;
  --orb-3: #ffa9c4;
  --orb-op: .55;
  --grid-line: rgba(10, 13, 20, .05);
  --scheme: light;
}

:root[data-theme="dark"] {
  --bg: #06070a;
  --bg-2: #0d1016;
  --ink: #f4f6fa;
  --ink-2: #b3bac6;
  --ink-3: #838b98;

  --accent: #4aa8ff;
  --accent-2: #9b8cff;
  --accent-3: #ff6b8b;
  --accent-ink: #05070c;

  --glass-bg: rgba(255, 255, 255, .055);
  --glass-bg-strong: rgba(255, 255, 255, .10);
  --glass-brd: rgba(255, 255, 255, .13);
  --glass-brd-2: rgba(255, 255, 255, .07);
  --glass-hi: rgba(255, 255, 255, .28);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4), 0 4px 16px rgba(0, 0, 0, .34);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, .45), 0 18px 44px rgba(0, 0, 0, .5);
  --shadow-lg: 0 6px 16px rgba(0, 0, 0, .5), 0 36px 80px rgba(0, 0, 0, .62);

  --orb-1: #1f6bff;
  --orb-2: #7a4dff;
  --orb-3: #ff3d71;
  --orb-op: .38;
  --grid-line: rgba(255, 255, 255, .045);
  --scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(15px, .55vw + 14px, 17px);
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  color-scheme: var(--scheme);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background .5s var(--ease), color .5s var(--ease);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  margin: 0;
  letter-spacing: -.03em;
  line-height: 1.1;
  font-weight: 700;
}
p { margin: 0 0 1em; color: var(--ink-2); }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 8px;
}

/* ---------- Ambient background ---------- */
.ambient {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% -10%, var(--bg-2) 0%, var(--bg) 60%);
}

.ambient::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(90% 70% at 50% 20%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(90% 70% at 50% 20%, #000 0%, transparent 75%);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: var(--orb-op);
  will-change: transform;
  animation: drift 26s var(--ease) infinite alternate;
}
.orb-1 { width: 46vw; height: 46vw; background: var(--orb-1); top: -12vw; left: -8vw; }
.orb-2 { width: 40vw; height: 40vw; background: var(--orb-2); top: 24vh; right: -12vw; animation-duration: 32s; animation-delay: -6s; }
.orb-3 { width: 34vw; height: 34vw; background: var(--orb-3); top: 120vh; left: 12vw; animation-duration: 38s; animation-delay: -12s; }
.orb-4 { width: 38vw; height: 38vw; background: var(--orb-2); top: 210vh; right: 4vw; animation-duration: 30s; animation-delay: -3s; }

@keyframes drift {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(4vw, -5vh, 0) scale(1.12); }
  100% { transform: translate3d(-3vw, 6vh, 0) scale(.94); }
}

/* ---------- Glass primitive ---------- */
.glass {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-brd);
  border-radius: var(--r-lg);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(180%);
  backdrop-filter: blur(var(--blur)) saturate(180%);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

/* specular top edge — the Apple "liquid glass" tell */
.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(160deg, var(--glass-hi), transparent 42%, transparent 60%, var(--glass-brd-2));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ---------- Layout ---------- */
.wrap {
  width: min(100% - (var(--gutter) * 2), var(--maxw));
  margin-inline: auto;
}

section { padding: clamp(72px, 11vh, 132px) 0; position: relative; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 7px 14px;
  border-radius: var(--r-full);
  background: var(--glass-bg);
  border: 1px solid var(--glass-brd);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  backdrop-filter: blur(14px) saturate(160%);
}

.section-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
  margin-bottom: clamp(36px, 5vw, 60px);
}

.section-title {
  font-size: clamp(2rem, 4.4vw, 3.15rem);
  background: linear-gradient(180deg, var(--ink) 30%, color-mix(in oklab, var(--ink) 55%, transparent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-sub {
  max-width: 56ch;
  color: var(--ink-3);
  margin: 0;
}

/* ---------- Progreso de scroll ---------- */
.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 100%;
  transform: scaleX(var(--p, 0));
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2) 55%, var(--accent-3));
  z-index: 120;
  pointer-events: none;
}

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: min(100% - 28px, var(--maxw));
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 8px 8px 12px;
  border-radius: var(--r-full);
  background: transparent;
  border: 1px solid transparent;
  box-shadow: none;
  transition:
    width .55s var(--ease),
    padding .45s var(--ease),
    background .45s var(--ease),
    border-color .45s var(--ease),
    box-shadow .45s var(--ease),
    backdrop-filter .45s var(--ease);
}
.nav.scrolled {
  width: min(100% - 28px, 760px);
  padding: 7px 7px 7px 16px;
  background: var(--glass-bg-strong);
  border-color: var(--glass-brd);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
  box-shadow: var(--shadow-md);
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -.02em;
  font-size: .98rem;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 4px;
  transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.nav.scrolled .brand span.name { display: none; }
.brand .dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 18%, transparent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}
.nav-links a {
  position: relative;
  padding: 8px 14px;
  border-radius: var(--r-full);
  font-size: .89rem;
  font-weight: 500;
  color: var(--ink-2);
  transition: color .3s var(--ease), background .3s var(--ease);
}
.nav-links a:hover { color: var(--ink); background: var(--glass-bg-strong); }
.nav-links a.active {
  color: var(--ink);
  background: var(--glass-bg-strong);
  box-shadow: inset 0 1px 0 var(--glass-hi);
}

.nav-actions { display: flex; align-items: center; gap: 8px; }

.icon-btn {
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--glass-brd);
  background: var(--glass-bg-strong);
  color: var(--ink);
  cursor: pointer;
  font-size: .95rem;
  transition: transform .35s var(--ease), background .3s var(--ease);
}
.icon-btn:hover { transform: scale(1.08); }
.icon-btn:active { transform: scale(.94); }

.nav-toggle { display: none; }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--glass-bg-strong);
  --btn-ink: var(--ink);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: var(--r-full);
  font-weight: 600;
  font-size: .93rem;
  letter-spacing: -.01em;
  color: var(--btn-ink);
  background: var(--btn-bg);
  border: 1px solid var(--glass-brd);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  backdrop-filter: blur(18px) saturate(180%);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease);
}
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.28), transparent 55%);
  opacity: .8;
  pointer-events: none;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0) scale(.985); }

.btn-primary {
  --btn-bg: linear-gradient(140deg, var(--accent), var(--accent-2));
  --btn-ink: var(--accent-ink);
  border-color: color-mix(in oklab, var(--accent) 55%, transparent);
  box-shadow: 0 6px 20px color-mix(in oklab, var(--accent) 34%, transparent), var(--shadow-sm);
}
.btn-primary:hover {
  box-shadow: 0 12px 34px color-mix(in oklab, var(--accent) 42%, transparent), var(--shadow-md);
}

.btn-sm { padding: 9px 16px; font-size: .84rem; }

/* ---------- Hero ---------- */
#hero {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding-top: 120px;
  text-align: center;
}

.hero-inner {
  display: grid;
  justify-items: center;
  gap: 24px;
  transform: translateY(calc(var(--hp, 0) * 90px));
  opacity: calc(1 - var(--hp, 0) * .9);
  will-change: transform, opacity;
}

.hero-title {
  font-size: clamp(2.6rem, 7.4vw, 5.4rem);
  letter-spacing: -.045em;
  line-height: .98;
}
.hero-title .line-2 {
  display: block;
  margin-top: .12em;
  background: linear-gradient(100deg, var(--accent), var(--accent-2) 48%, var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  max-width: 60ch;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--ink-2);
  margin: 0;
}

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

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 6px;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border-radius: var(--r-full);
  font-size: .82rem;
  font-weight: 500;
  color: var(--ink-2);
  background: var(--glass-bg);
  border: 1px solid var(--glass-brd);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  backdrop-filter: blur(14px) saturate(160%);
}
.pill i { color: var(--accent); }
.pill .live, .eyebrow .live {
  width: 7px; height: 7px; border-radius: 50%;
  background: #34c759;
  box-shadow: 0 0 0 4px rgba(52,199,89,.2);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(52,199,89,0); } }

.scroll-hint {
  margin-top: 8px;
  color: var(--ink-3);
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  display: grid;
  justify-items: center;
  gap: 8px;
  animation: bob 2.6s var(--ease) infinite;
}
@keyframes bob { 50% { transform: translateY(7px); } }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: clamp(20px, 3vw, 38px);
  align-items: start;
}

.about-photo {
  margin: 0;
  padding: 10px;
  border-radius: var(--r-lg);
  position: sticky;
  top: 110px;
}
.about-photo img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center 22%;
  border-radius: calc(var(--r-lg) - 8px);
}
.about-photo figcaption {
  padding: 12px 6px 4px;
  font-size: .78rem;
  color: var(--ink-3);
  text-align: center;
}
.about-photo .mini-links {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding-bottom: 6px;
}
.about-photo .mini-links a {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 50%;
  font-size: .85rem;
  color: var(--ink-2);
  border: 1px solid var(--glass-brd-2);
  background: var(--glass-bg);
  transition: color .3s var(--ease), transform .3s var(--ease);
}
.about-photo .mini-links a:hover { color: var(--accent); transform: translateY(-2px); }

.about-card { padding: clamp(24px, 3vw, 38px); }
.about-card p:last-of-type { margin-bottom: 0; }

.learn-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}
.learn-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 16px;
  border-radius: var(--r-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-brd-2);
  font-size: .92rem;
  color: var(--ink-2);
  transition: transform .35s var(--ease), background .35s var(--ease);
}
.learn-list li:hover { transform: translateX(5px); background: var(--glass-bg-strong); }
.learn-list i { color: var(--accent); margin-top: 4px; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
  margin-top: 22px;
}
.stat {
  padding: 18px;
  border-radius: var(--r-md);
  text-align: center;
}
.stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.9rem;
  letter-spacing: -.04em;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat span { font-size: .78rem; color: var(--ink-3); }

/* ---------- Cards grid ---------- */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

.card {
  padding: 26px;
  border-radius: var(--r-lg);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .45s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: color-mix(in oklab, var(--accent) 34%, var(--glass-brd));
}

/* Education */
.edu-card { display: grid; gap: 6px; }
.edu-logo {
  width: 58px; height: 58px;
  border-radius: 16px;
  object-fit: cover;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  background: #fff;
}
.edu-card h3 { font-size: 1.05rem; letter-spacing: -.02em; }
.edu-card .institution { color: var(--accent); font-weight: 600; margin: 0; font-size: .9rem; }
.edu-card .degree { color: var(--ink-2); margin: 0; font-size: .9rem; }
.edu-card .year {
  margin: 10px 0 0;
  font-size: .78rem;
  color: var(--ink-3);
  font-family: var(--font-mono);
}

/* Experience — timeline */
.timeline { display: grid; gap: 18px; position: relative; }
.exp-card { padding: clamp(20px, 2.6vw, 30px); }
.exp-card.featured {
  border-color: color-mix(in oklab, var(--accent) 32%, var(--glass-brd));
  background: linear-gradient(150deg, color-mix(in oklab, var(--accent) 8%, var(--glass-bg)), var(--glass-bg));
}

.exp-top {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.company-logo {
  width: 54px; height: 54px;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
  flex: none;
  transition: transform .4s var(--ease);
}
.company-logo:hover { transform: scale(1.07) rotate(-2deg); }

.logo-fallback {
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  color: var(--accent-ink);
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
}

.exp-body { flex: 1 1 260px; min-width: 0; }
.exp-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.exp-head h3 { font-size: 1.15rem; }

.tag {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: var(--r-full);
  background: color-mix(in oklab, var(--accent) 16%, transparent);
  color: color-mix(in oklab, var(--accent) 78%, var(--ink));
  border: 1px solid color-mix(in oklab, var(--accent) 26%, transparent);
}
.tag.alt { background: color-mix(in oklab, var(--accent-2) 16%, transparent); color: color-mix(in oklab, var(--accent-2) 78%, var(--ink)); border-color: color-mix(in oklab, var(--accent-2) 26%, transparent); }
.tag.live { background: rgba(52,199,89,.16); color: #1f9d4d; border-color: rgba(52,199,89,.3); }
:root[data-theme="dark"] .tag.live { color: #4ade80; }

.exp-meta {
  font-size: .84rem;
  color: var(--ink-3);
  margin: 0 0 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  align-items: center;
}
.exp-meta strong { color: var(--ink); font-weight: 600; }
.exp-meta .sep { opacity: .4; }

.chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.chip {
  font-size: .76rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--r-full);
  color: var(--ink-2);
  background: var(--glass-bg);
  border: 1px solid var(--glass-brd-2);
  transition: transform .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.chip:hover {
  transform: translateY(-2px);
  color: var(--accent);
  border-color: color-mix(in oklab, var(--accent) 40%, transparent);
}

/* Skills */
.skill-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 30px;
}
.filter-btn {
  padding: 9px 18px;
  border-radius: var(--r-full);
  font-size: .85rem;
  font-weight: 500;
  color: var(--ink-2);
  background: var(--glass-bg);
  border: 1px solid var(--glass-brd);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  cursor: pointer;
  transition: all .35s var(--ease);
}
.filter-btn:hover { color: var(--ink); transform: translateY(-2px); }
.filter-btn.active {
  color: var(--accent-ink);
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  border-color: transparent;
  box-shadow: 0 6px 18px color-mix(in oklab, var(--accent) 32%, transparent);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}
.skill {
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 22px 12px;
  border-radius: var(--r-md);
  text-align: center;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease), opacity .35s var(--ease);
}
.skill i { font-size: 1.75rem; color: var(--ink-2); transition: color .35s var(--ease), transform .4s var(--ease); }
.skill span { font-size: .8rem; font-weight: 500; letter-spacing: -.01em; }
.skill:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow: var(--shadow-lg);
  border-color: color-mix(in oklab, var(--accent) 38%, var(--glass-brd));
}
.skill:hover i { color: var(--accent); transform: scale(1.12); }
.skill.hide { display: none; }

/* Projects */
.project {
  display: flex;
  flex-direction: column;
  padding: 0;
  border-radius: var(--r-lg);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .45s var(--ease);
}
.project:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: color-mix(in oklab, var(--accent) 34%, var(--glass-brd));
}
.project-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-2);
}
.project-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.project:hover .project-media img { transform: scale(1.06); }

.media-gradient {
  display: grid;
  place-items: center;
  background:
    radial-gradient(120% 120% at 20% 0%, color-mix(in oklab, var(--accent) 45%, transparent), transparent 60%),
    radial-gradient(120% 120% at 90% 100%, color-mix(in oklab, var(--accent-2) 50%, transparent), transparent 62%),
    var(--bg-2);
}
.media-gradient.alt {
  background:
    radial-gradient(120% 120% at 15% 10%, color-mix(in oklab, var(--accent-2) 45%, transparent), transparent 60%),
    radial-gradient(120% 120% at 85% 95%, color-mix(in oklab, var(--accent-3) 45%, transparent), transparent 62%),
    var(--bg-2);
}
.media-gradient.g3 {
  background:
    radial-gradient(120% 120% at 10% 15%, color-mix(in oklab, var(--accent-3) 40%, transparent), transparent 58%),
    radial-gradient(120% 120% at 90% 90%, color-mix(in oklab, var(--accent) 45%, transparent), transparent 60%),
    var(--bg-2);
}
.media-gradient.g4 {
  background:
    radial-gradient(120% 120% at 85% 10%, color-mix(in oklab, var(--accent-2) 42%, transparent), transparent 58%),
    radial-gradient(120% 120% at 10% 95%, color-mix(in oklab, var(--accent) 40%, transparent), transparent 60%),
    var(--bg-2);
}
/* Ventana de app simulada dentro de project-media */
.mockui {
  position: absolute;
  inset: 13% 11%;
  display: flex;
  flex-direction: column;
  border-radius: 12px;
  overflow: hidden;
  background: color-mix(in oklab, var(--bg-2) 55%, transparent);
  border: 1px solid color-mix(in oklab, var(--ink) 12%, transparent);
  box-shadow: 0 24px 44px -18px rgba(0, 0, 0, .45);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
  transition: transform .6s var(--ease), box-shadow .6s var(--ease);
}
.project:hover .mockui { transform: translateY(-3px) scale(1.015); }

.mockui-bar {
  flex: none;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 10px;
  height: 22%;
  min-height: 20px;
  background: color-mix(in oklab, var(--ink) 7%, transparent);
  border-bottom: 1px solid color-mix(in oklab, var(--ink) 10%, transparent);
}
.mockui-bar .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--ink) 30%, transparent);
}
.mockui-icon {
  margin-left: auto;
  font-size: .8rem;
  color: var(--ink);
  opacity: .7;
}

.mockui-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10%;
  padding: 12%;
  position: relative;
  overflow: hidden;
}

/* ---- piezas reutilizables ---- */
.mockui-avatar {
  flex: none;
  width: 15%; aspect-ratio: 1;
  min-width: 22px;
  border-radius: 50%;
  display: grid; place-items: center;
  font: 700 .62rem var(--font-display);
  color: var(--accent-ink);
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
}
.mockui-avatar.alt { background: linear-gradient(140deg, var(--accent-2), var(--accent-3)); }
.mockui-pill {
  flex: none;
  padding: 3% 8%;
  border-radius: var(--r-full);
  font: 700 .58rem var(--font-mono);
  white-space: nowrap;
  color: var(--accent-ink);
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
}
.mockui-tag {
  font: 600 .56rem var(--font-sans);
  padding: 3% 7%;
  border-radius: var(--r-full);
  white-space: nowrap;
  color: var(--ink);
  background: color-mix(in oklab, var(--ink) 14%, transparent);
}
.mockui-tag.ok {
  color: #1f9d4d;
  background: rgba(52, 199, 89, .18);
}

/* SWORK — matching */
.mockui-match { flex-direction: row; align-items: center; justify-content: space-between; }
.mockui-match-line {
  flex: 1;
  height: 1px;
  margin: 0 6%;
  background: repeating-linear-gradient(90deg,
    color-mix(in oklab, var(--ink) 30%, transparent) 0 4px, transparent 4px 8px);
}

/* Segures Task's — filas de pólizas */
.mockui-list { justify-content: center; gap: 8%; }
.mockui-row {
  display: flex; align-items: center; gap: 6%;
  font: 600 .6rem var(--font-sans);
  color: var(--ink-2);
}
.mockui-row span { flex: 1; }

/* STEMFounding — kanban */
.mockui-kanban { flex-direction: row; align-items: stretch; gap: 6%; }
.mockui-col {
  flex: 1;
  display: flex; flex-direction: column; gap: 10%;
  padding: 6%;
  border-radius: 6px;
  background: color-mix(in oklab, var(--ink) 6%, transparent);
}
.mockui-col span {
  font: 700 .48rem var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ink-3);
}
.mockui-card {
  height: 12px;
  border-radius: 4px;
  background: color-mix(in oklab, var(--accent) 30%, transparent);
}
.mockui-card.alt { background: color-mix(in oklab, var(--accent-2) 30%, transparent); }

/* ArenaCamping — calendario */
.mockui-cal { align-items: center; }
.mockui-cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4%; width: 100%; }
.mockui-cal-grid span {
  aspect-ratio: 1;
  border-radius: 3px;
  background: color-mix(in oklab, var(--ink) 12%, transparent);
}
.mockui-cal-grid span.on {
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
}

/* MongoDB-Spring-Maven — tabla */
.mockui-table { gap: 6%; }
.mockui-trow { display: flex; gap: 8%; }
.mockui-trow span:first-child {
  flex: none; width: 16%;
  font: 700 .56rem var(--font-mono);
  color: var(--ink-3);
}
.mockui-trow span.bar {
  flex: 1; height: 8px;
  border-radius: 3px;
  background: color-mix(in oklab, var(--ink) 14%, transparent);
}
.mockui-trow.head span:first-child,
.mockui-trow.head span:last-child {
  font: 700 .5rem var(--font-mono);
  text-transform: uppercase;
  color: var(--ink-3);
  background: none;
  height: auto;
}

/* FlappyGame */
.mockui-game { padding: 0; }
.mockui-score {
  position: absolute; top: 10%; left: 50%; transform: translateX(-50%);
  font: 700 .78rem var(--font-mono);
  color: var(--ink);
  opacity: .85;
}
.mockui-bird {
  position: absolute; left: 30%; top: 48%;
  width: 10%; aspect-ratio: 1;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--accent-3), var(--accent-2));
}
.mockui-pipe {
  position: absolute; right: 26%;
  width: 11%;
  border-radius: 3px;
  background: color-mix(in oklab, var(--ink) 20%, transparent);
}
.mockui-pipe.top { top: 0; height: 32%; }
.mockui-pipe.bottom { bottom: 0; height: 38%; }

/* Film MVC — pósters */
.mockui-posters { flex-direction: row; align-items: flex-end; justify-content: center; gap: 8%; }
.mockui-posters .poster {
  flex: none; width: 22%; border-radius: 5px;
  background: linear-gradient(160deg, var(--accent), var(--accent-2));
}
.mockui-posters .poster.p1 { height: 70%; }
.mockui-posters .poster.p2 { height: 92%; background: linear-gradient(160deg, var(--accent-2), var(--accent-3)); }
.mockui-posters .poster.p3 { height: 60%; background: linear-gradient(160deg, var(--accent-3), var(--accent)); }

/* Prueba técnica — grid de personajes */
.mockui-chargrid { flex-direction: row; align-items: center; justify-content: center; gap: 6%; }
.mockui-chargrid .mockui-avatar.sm { min-width: 16px; font-size: 0; }
.project-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, color-mix(in oklab, var(--bg) 72%, transparent));
}
.stack {
  position: absolute;
  z-index: 2;
  bottom: 12px; left: 12px;
  display: flex;
  gap: 7px;
}
.stack i {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 10px;
  font-size: .85rem;
  color: var(--ink);
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-brd);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  backdrop-filter: blur(14px) saturate(180%);
}
.project-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.project-body h3 { font-size: 1.08rem; }
.project-body p { font-size: .9rem; margin: 0; }
.project-body .btn { margin-top: auto; align-self: flex-start; }

/* ---------- Contact ---------- */
.contact-card {
  padding: clamp(34px, 5vw, 64px);
  border-radius: var(--r-xl);
  text-align: center;
  display: grid;
  justify-items: center;
  gap: 18px;
}
.contact-card h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
.socials { display: flex; gap: 12px; margin-top: 4px; }
.socials a {
  width: 50px; height: 50px;
  display: grid; place-items: center;
  border-radius: 50%;
  font-size: 1.15rem;
  color: var(--ink);
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-brd);
  transition: transform .4s var(--ease), color .3s var(--ease), box-shadow .4s var(--ease);
}
.socials a:hover {
  transform: translateY(-4px) scale(1.06);
  color: var(--accent);
  box-shadow: var(--shadow-md);
}

/* ---------- Footer ---------- */
.footer {
  padding: 34px 0 44px;
  text-align: center;
  color: var(--ink-3);
  font-size: .84rem;
  border-top: 1px solid var(--glass-brd-2);
}
.footer p { margin: 0; color: inherit; }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translate3d(var(--rx, 0), var(--ry, 30px), 0) scale(var(--rs, 1));
  filter: blur(var(--rb, 6px));
  transition:
    opacity .85s var(--ease),
    transform .85s var(--ease),
    filter .85s var(--ease);
  transition-delay: var(--d, 0ms);
  will-change: transform, opacity;
}
.reveal.in {
  opacity: 1;
  transform: none;
  filter: none;
}

/* variantes direccionales */
.r-left  { --rx: -46px; --ry: 0; }
.r-right { --rx: 46px;  --ry: 0; }
.r-scale { --ry: 14px; --rs: .92; }
.r-soft  { --ry: 18px; --rb: 10px; }

/* micro-reveal para elementos pequeños (chips, items de lista) */
.pop {
  opacity: 0;
  transform: translateY(12px) scale(.94);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
  transition-delay: var(--d, 0ms);
}
.pop.in { opacity: 1; transform: none; }

/* barra de progreso de sección (línea que crece al hacer scroll) */
.section-head::after {
  content: "";
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 1s var(--ease) .2s;
}
.section-head.in::after { width: 68px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { position: static; max-width: 220px; margin-inline: auto; }
}

@media (max-width: 780px) {
  .nav { padding: 8px 8px 8px 16px; }
  .nav-toggle { display: grid; }
  .nav-actions { margin-left: auto; }
  .nav.scrolled .brand span.name { display: inline; }
  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 10px;
    border-radius: var(--r-lg);
    background: color-mix(in oklab, var(--bg-2) 96%, transparent);
    border: 1px solid var(--glass-brd);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    backdrop-filter: blur(24px) saturate(180%);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(.98);
    transform-origin: top;
    transition: all .35s var(--ease);
  }
  .nav-links.open { opacity: 1; visibility: visible; transform: none; }
  .nav-links a { padding: 12px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* Fallback when backdrop-filter is unsupported */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass, .nav, .btn, .pill, .eyebrow { background: var(--glass-bg-strong); }
}

::selection { background: color-mix(in oklab, var(--accent) 30%, transparent); }

::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: color-mix(in oklab, var(--ink) 22%, transparent);
  border-radius: 99px;
  border: 3px solid transparent;
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background: color-mix(in oklab, var(--accent) 60%, transparent); background-clip: content-box; }