/* V1 - Verde eléctrico, terminal/IA mood */
:root {
  --bg: #0a0b0d;
  --bg-2: #101216;
  --bg-3: #16191f;
  --line: #1f242c;
  --line-2: #2a3038;
  --fg: #e8e8e3;
  --fg-2: #a3a8b0;
  --fg-3: #6b7280;
  --accent: oklch(0.86 0.19 145);
  --accent-2: oklch(0.7 0.15 145);
  --accent-glow: oklch(0.86 0.19 145 / 0.15);
  --warn: oklch(0.8 0.15 60);
  --font-sans: "Space Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --maxw: 1280px;
  --pad: clamp(20px, 4vw, 60px);
  --r: 4px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  font-size: 16px;
  line-height: 1.55;
  font-feature-settings: "ss01", "ss02";
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background grid */
.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at top, black 0%, transparent 70%);
}
.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.03;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.6'/></svg>");
}

/* TOP NAV */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 11, 13, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px var(--pad);
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: -0.01em;
  color: var(--fg);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}
.brand-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite ease-in-out;
  flex-shrink: 0;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}
.brand-name { font-weight: 600; }

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
}
.nav-links a {
  color: var(--fg-2);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: var(--r);
  transition: color 0.2s, background 0.2s;
  position: relative;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--fg); background: var(--bg-3); }
.nav-links a.active {
  color: var(--accent);
}
.nav-links a.active::before {
  content: ""; position: absolute; left: 4px; top: 50%; transform: translateY(-50%);
  width: 4px; height: 4px; background: var(--accent); border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
}
.nav-links a.active { padding-left: 16px; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.lang-switch {
  display: flex;
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 11px;
}
.lang-switch button {
  background: transparent;
  border: none;
  color: var(--fg-2);
  padding: 6px 10px;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  transition: background 0.2s, color 0.2s;
}
.lang-switch button.active {
  background: var(--accent);
  color: #000;
  font-weight: 600;
}
.lang-switch button:not(.active):hover { color: var(--fg); background: var(--bg-3); }

.nav-cta {
  background: var(--accent);
  color: #000;
  border: none;
  padding: 8px 14px;
  border-radius: var(--r);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}
.nav-cta::after { content: "→"; transition: transform 0.2s; }
.nav-cta:hover::after { transform: translateX(3px); }

.hamburger { display: none; }

/* MOBILE MENU */
.mobile-menu {
  display: none;
  position: fixed;
  top: 53px; left: 0; right: 0; bottom: 0;
  background: rgba(10, 11, 13, 0.96);
  backdrop-filter: blur(20px);
  z-index: 49;
  padding: 24px var(--pad);
  overflow-y: auto;
  transform: translateY(-10px);
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}
.mobile-menu.open {
  display: block;
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.mobile-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  color: var(--fg);
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color 0.2s, padding-left 0.2s;
}
.mobile-nav a:first-child { border-top: 1px solid var(--line); }
.mobile-nav a:hover,
.mobile-nav a:active {
  color: var(--accent);
  padding-left: 8px;
}
.mobile-nav a::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--line-2);
  flex-shrink: 0;
  transition: background 0.2s, box-shadow 0.2s;
}
.mobile-nav a:hover::before,
.mobile-nav a:active::before {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
body.menu-open { overflow: hidden; }

/* MAIN */
main { position: relative; z-index: 2; }
section {
  scroll-margin-top: 80px;
  padding: 100px var(--pad) 80px;
  max-width: var(--maxw);
  margin: 0 auto;
  position: relative;
}
.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.section-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 12px;
  text-wrap: pretty;
  max-width: 900px;
}
.section-sub {
  color: var(--fg-2);
  font-size: 16px;
  max-width: 720px;
  margin: 0 0 40px;
}

/* HERO */
.hero {
  min-height: 100vh;
  padding-top: 140px;
  padding-bottom: 100px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 48px;
  align-items: center;
}
/* HERO RIGHT — terminal-style decorative panel */
.hero-panel {
  position: relative;
  width: 100%;
  border: 1px solid var(--line-2);
  border-radius: 6px;
  background:
    radial-gradient(ellipse at top right, var(--accent-glow), transparent 65%),
    var(--bg-2);
  overflow: hidden;
  font-family: var(--font-mono);
  color: var(--fg-2);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,255,255,0.03);
  align-self: start;
}
.hero-panel::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  opacity: 0.6;
}
.hp-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.04em;
  position: relative;
}
.hp-dots { display: inline-flex; gap: 5px; }
.hp-dots i {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--bg-3);
  border: 1px solid var(--line-2);
  display: inline-block;
}
.hp-dots i:nth-child(1) { background: oklch(0.65 0.18 25); border-color: oklch(0.65 0.18 25); }
.hp-dots i:nth-child(2) { background: oklch(0.78 0.16 80); border-color: oklch(0.78 0.16 80); }
.hp-dots i:nth-child(3) { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 6px var(--accent-glow); }
.hp-title { color: var(--fg-2); flex: 1; text-align: center; opacity: 0.7; }
.hp-net { color: var(--accent); font-size: 10px; }
.hp-body {
  padding: 14px 16px 16px;
  position: relative;
  font-size: 11.5px;
  line-height: 1.6;
}
.hp-row { display: flex; gap: 10px; align-items: center; }
.hp-prompt { color: var(--accent); font-weight: 600; }
.hp-cmd { color: var(--fg); }
.hp-typing {
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  border-right: 0;
  animation: typewrite 2.4s steps(11, end) 0.4s 1 both;
  width: 0;
}
@keyframes typewrite { from { width: 0 } to { width: 11ch } }
.hp-typing::before { content: attr(data-text); }
.hp-blink {
  display: inline-block;
  animation: blink 1s steps(2) infinite;
  color: var(--accent);
  font-weight: 600;
}
.hp-out {
  margin: 12px 0;
  padding: 12px 14px;
  background: var(--bg-3);
  border: 1px dashed var(--line-2);
  border-radius: 4px;
  display: grid;
  gap: 4px;
  opacity: 0;
  animation: fadeUp 0.6s ease 2.6s forwards;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.hp-out > div {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  font-size: 12px;
}
.hp-key { color: var(--fg-3); }
.hp-val { color: var(--fg); }
.hp-val.ok { color: var(--accent); }
.hp-graph {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  position: relative;
  color: var(--accent);
  opacity: 0;
  animation: fadeUp 0.6s ease 3s forwards;
}
.hp-graph svg { display: block; width: 100%; height: 36px; }
.hp-graph-label {
  display: block;
  margin-top: 4px;
  font-size: 9px;
  color: var(--fg-3);
  letter-spacing: 0.08em;
}
.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border: 1px solid var(--line-2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-2);
  background: var(--bg-2);
  margin-bottom: 28px;
}
.hero-status .dot {
  width: 6px; height: 6px; background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 2s infinite;
}
.hero-role {
  font-family: var(--font-mono);
  color: var(--fg-2);
  font-size: 13px;
  margin-bottom: 22px;
  letter-spacing: 0.02em;
}
.hero-title {
  font-size: clamp(38px, 5.5vw, 72px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin: 0 0 32px;
  white-space: pre-line;
  max-width: 720px;
}
.hero-title .hl {
  color: var(--accent);
  font-style: italic;
  font-weight: 400;
}
.hero-sub {
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--fg-2);
  max-width: 640px;
  margin: 0 0 36px;
  line-height: 1.55;
}
.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: var(--r);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s, background 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.btn-primary {
  background: var(--accent);
  color: #000;
  font-weight: 600;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px var(--accent-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--line-2);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn .arr { transition: transform 0.2s; }
.btn:hover .arr { transform: translateX(4px); }

.hero-meta {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.05em;
  flex-wrap: wrap;
}
.hero-meta .scroll-hint {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-meta .scroll-hint::before {
  content: "";
  width: 30px; height: 1px; background: var(--fg-3);
}

/* ABOUT — premium editorial layout */
.about-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 56px;
  align-items: start;
  margin-top: 32px;
}
.about-portrait {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 100px;
}
.about-photo {
  margin: 0;
  position: relative;
  border-radius: 8px;
  overflow: visible;
  background: var(--bg-2);
  aspect-ratio: 4/3;
  width: 100%;
}
.about-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 8px;
  filter: contrast(1.03) saturate(0.92);
  position: relative;
  z-index: 1;
}
.about-photo-frame {
  position: absolute;
  inset: -8px;
  border: 1px solid var(--accent);
  border-radius: 12px;
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}
.about-photo figcaption {
  position: absolute;
  left: 12px; bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  background: rgba(10, 11, 13, 0.82);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line-2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--fg);
  letter-spacing: 0.04em;
  z-index: 2;
}
.about-photo figcaption .dot {
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent);
}
.about-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.about-cred {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  padding: 6px 12px;
  border: 1px solid var(--line-2);
  border-radius: 100px;
  color: var(--fg-2);
  background: var(--bg-2);
  transition: border-color 0.2s, color 0.2s;
}
.about-cred:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.about-content {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-top: 8px;
}
.about-body p {
  color: var(--fg-2);
  margin: 0 0 20px;
  font-size: 16.5px;
  line-height: 1.75;
}
.about-body p:first-child {
  color: var(--fg);
  font-size: 19px;
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: -0.01em;
}
.about-body p:last-child {
  margin-bottom: 0;
}
.about-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, var(--accent), var(--line), transparent);
  margin: 32px 0;
}
.about-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-2);
}
.about-stat-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  transition: background 0.3s;
}
.about-stat-card:not(:last-child) {
  border-right: 1px solid var(--line);
}
.about-stat-card:hover {
  background: var(--bg-3);
}
.about-stat-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.3s;
}
.about-stat-card:hover::before { opacity: 1; }
.about-stat-icon {
  width: 32px; height: 32px;
  border: 1px solid var(--line-2);
  border-radius: 6px;
  background: var(--bg);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.about-stat-k {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--fg-3);
  letter-spacing: 0.08em;
}
.about-stat-v {
  font-size: 15px;
  font-weight: 500;
  color: var(--fg);
  letter-spacing: -0.01em;
}

/* SERVICES — areas with per-area accent */
.area {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.area:first-child { margin-top: 16px; }
.area[data-area="01"] { --area-accent: oklch(0.86 0.19 145); --area-glow: oklch(0.86 0.19 145 / 0.15); }
.area[data-area="02"] { --area-accent: oklch(0.78 0.16 220); --area-glow: oklch(0.78 0.16 220 / 0.15); }
.area[data-area="03"] { --area-accent: oklch(0.74 0.17 300); --area-glow: oklch(0.74 0.17 300 / 0.15); }
.area[data-area="04"] { --area-accent: oklch(0.80 0.16 65); --area-glow: oklch(0.80 0.16 65 / 0.15); }
.area-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 32px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.area-head-left {
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.area-id {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--area-accent, var(--accent));
  letter-spacing: 0.06em;
  padding: 2px 10px;
  border: 1px solid var(--area-accent, var(--accent));
  border-radius: 100px;
  background: var(--area-glow, var(--accent-glow));
}
.area-label {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--fg);
}
.area-desc {
  margin: 0;
  font-size: 14px;
  color: var(--fg-2);
  max-width: 420px;
  text-align: right;
  font-family: var(--font-mono);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
/* SERVICES — cards refined */
.service {
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
  background: var(--bg);
  transition: background 0.3s, border-color 0.3s;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
}
.service:hover { background: var(--bg-2); }
.service::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 1px;
  background: var(--area-accent, var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.service:hover::before { transform: scaleX(1); }
.service-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.service-icon {
  width: 38px; height: 38px;
  border: 1px solid var(--line-2);
  border-radius: 6px;
  background: var(--bg-3);
  color: var(--area-accent, var(--accent));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.service:hover .service-icon {
  border-color: var(--area-accent, var(--accent));
  box-shadow: 0 0 0 4px var(--area-glow, var(--accent-glow));
  transform: rotate(-3deg);
}
.service-arrow {
  color: var(--fg-3);
  font-size: 14px;
  transition: color 0.3s, transform 0.3s;
}
.service:hover .service-arrow {
  color: var(--area-accent, var(--accent));
  transform: translate(2px, -2px);
}
.service-title {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--fg);
  line-height: 1.3;
}
.service-desc {
  margin: 0;
  font-size: 13px;
  color: var(--fg-2);
  line-height: 1.55;
  flex: 1;
}
.service-rule {
  display: block;
  width: 24px; height: 2px;
  background: var(--area-accent, var(--accent));
  opacity: 0.4;
  margin-top: auto;
  transition: width 0.3s, opacity 0.3s;
}
.service:hover .service-rule { width: 56px; opacity: 1; }

/* PROJECTS */
.projects-note {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-3);
  margin-bottom: 32px;
  padding: 12px 16px;
  border: 1px dashed var(--line-2);
  border-radius: var(--r);
  display: inline-block;
}
/* PROJECTS — cards with image slot */
.projects-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}
.project {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 36px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  align-items: stretch;
  transition: padding 0.3s;
}
.project:hover { padding-left: 12px; }
.project-slot {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  border: 1px solid var(--line-2);
  border-radius: 6px;
  background: var(--bg-2);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-slot img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.project-slot.is-placeholder {
  background:
    radial-gradient(ellipse at 30% 30%, var(--accent-glow), transparent 65%),
    var(--bg-2);
}
.project-slot.is-placeholder .ps-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 18px 18px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
}
.project-slot.is-placeholder .ps-label {
  position: absolute;
  top: 12px; left: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--fg-3);
}
.project-slot.is-placeholder .ps-tag {
  position: absolute;
  bottom: 12px; left: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--accent);
  padding: 4px 8px;
  border: 1px solid var(--accent);
  background: var(--accent-glow);
  border-radius: 100px;
}
.project-slot.is-placeholder .ps-shape {
  position: absolute;
  right: -30px; bottom: -30px;
  width: 140px; height: 140px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  opacity: 0.45;
  box-shadow: 0 0 40px var(--accent-glow);
}
.project-slot.is-placeholder::after {
  content: "";
  position: absolute;
  right: 16px; top: 16px;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2s infinite ease-in-out;
}
.project-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 4px 0;
}
.project-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 4px;
}
.project-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.08em;
}
.project-status {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.project-status::before {
  content: ""; width: 6px; height: 6px; background: var(--accent); border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
}
.project-body h3 {
  font-size: 24px;
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.project-body p {
  margin: 0;
  color: var(--fg-2);
  font-size: 15px;
  max-width: 640px;
}
.chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.metrics {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.metric {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 4px 10px;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 4px;
  letter-spacing: 0.03em;
}
.chip {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 4px 9px;
  border: 1px solid var(--line-2);
  border-radius: 100px;
  color: var(--fg-2);
  letter-spacing: 0.04em;
}
.project-status {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0;
}
.project-status::before {
  content: ""; width: 6px; height: 6px; background: var(--accent); border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
}
.project-linked { transition: background 0.3s, padding 0.3s; }
.project-linked:hover { background: var(--bg-2); }
.project-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--accent); text-decoration: none;
  padding: 8px 14px; margin-top: 8px;
  border: 1px solid var(--accent); border-radius: var(--r);
  background: var(--accent-glow);
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.project-link:hover {
  background: var(--accent); color: #000;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}
.project-link .arr { transition: transform 0.2s; }
.project-link:hover .arr { transform: translateX(3px); }

/* EXPERIENCE / TIMELINE */
.timeline {
  border-top: 1px solid var(--line);
}
.tl-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.tl-period {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-3);
  letter-spacing: 0.05em;
}
.tl-role {
  font-size: 18px;
  font-weight: 500;
  margin: 0 0 4px;
  color: var(--fg);
}
.tl-org {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 8px;
}
.tl-desc {
  color: var(--fg-2);
  font-size: 14.5px;
  margin: 0;
  max-width: 640px;
}

/* EDUCATION + COURSES */
.edu-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
}
.edu-list, .courses-list {
  border-top: 1px solid var(--line);
}
.edu-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.edu-year {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.edu-item h4 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 500;
  color: var(--fg);
  line-height: 1.4;
}
.edu-item .org {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-2);
}
.courses-list ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.courses-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--fg-2);
  display: flex;
  align-items: center;
  gap: 10px;
}
.courses-list li::before {
  content: "✓";
  color: var(--accent);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 13px;
}

.sub-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.06em;
  margin-bottom: 14px;
  margin-top: 8px;
}

/* STACK */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.stack-group {
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.stack-group h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  margin: 0 0 16px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.stack-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.stack-group li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--fg);
  border-bottom: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.stack-group li:last-child { border-bottom: none; }

/* SKILLS — chip grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.skill-group {
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: relative;
  transition: background 0.3s;
}
.skill-group:hover { background: var(--bg-2); }
.skill-group-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  margin: 0 0 20px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}
.skill-group-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 12px;
  border: 1px solid var(--line-2);
  border-radius: 100px;
  color: var(--fg-2);
  letter-spacing: 0.02em;
  background: var(--bg-3);
  transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.2s;
  cursor: default;
}
.skill-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-1px);
}

/* LANGUAGES (inline under skills) */
.langs-inline {
  margin-top: 20px;
  display: flex;
  gap: 20px;
}
.lang-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
}
.lang-item .lang-name { font-size: 14px; font-weight: 500; }
.lang-item .lang-level {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.05em;
}

/* TESTIMONIALS */
.test-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  border-top: 1px solid var(--line);
  padding-top: 32px;
}
.testimonial {
  padding: 28px;
  border: 1px dashed var(--line-2);
  border-radius: var(--r);
  background: var(--bg-2);
  position: relative;
}
.testimonial::before {
  content: "“";
  font-family: var(--font-sans);
  font-size: 64px;
  line-height: 1;
  color: var(--accent);
  opacity: 0.4;
  position: absolute;
  top: 8px; left: 16px;
}
.testimonial blockquote {
  margin: 24px 0 16px;
  font-size: 15.5px;
  color: var(--fg-2);
  line-height: 1.55;
  font-style: italic;
}
.testimonial cite {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-3);
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}
.faq-item {
  border-bottom: 1px solid var(--line);
  transition: background 0.2s;
}
.faq-item[open] { background: var(--bg-2); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 4px;
  display: grid;
  grid-template-columns: 50px 1fr 30px;
  gap: 16px;
  align-items: center;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-3);
  letter-spacing: 0.05em;
}
.faq-q {
  font-size: 17px;
  font-weight: 500;
  color: var(--fg);
  letter-spacing: -0.01em;
}
.faq-toggle {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--accent);
  text-align: right;
  transition: transform 0.3s;
  font-weight: 300;
}
.faq-item[open] .faq-toggle {
  transform: rotate(45deg);
}
.faq-a {
  padding: 0 4px 24px 70px;
  color: var(--fg-2);
  font-size: 15px;
  line-height: 1.65;
  max-width: 760px;
}

/* CONTACT FORM */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
  max-width: 480px;
}
.contact-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.contact-field label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.contact-field input,
.contact-field textarea {
  background: var(--bg);
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  padding: 14px 16px;
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 13px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  resize: vertical;
}
.contact-field input:focus,
.contact-field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.contact-field textarea {
  min-height: 120px;
}
.contact-field input::placeholder,
.contact-field textarea::placeholder {
  color: var(--fg-3);
  opacity: 0.7;
}
.contact-sent {
  display: none;
  padding: 16px;
  border: 1px solid var(--accent);
  border-radius: var(--r);
  background: var(--accent-glow);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 13px;
  text-align: center;
}
.contact-sent.show { display: block; }
.contact-section {
  padding-top: 120px;
  padding-bottom: 100px;
  text-align: left;
}
.contact-card {
  border: 1px solid var(--line);
  background:
    radial-gradient(ellipse at top right, var(--accent-glow), transparent 60%),
    var(--bg-2);
  padding: clamp(40px, 6vw, 80px);
  border-radius: 8px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.contact-card > * { position: relative; }
.contact-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 12px;
}
.contact-sub {
  color: var(--fg-2);
  margin: 0 0 28px;
  max-width: 460px;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-info a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--fg);
  text-decoration: none;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: 13px;
  transition: border-color 0.2s, transform 0.15s, color 0.2s;
}
.contact-info a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateX(4px);
}
.contact-info .label {
  color: var(--fg-3);
  font-size: 11px;
  letter-spacing: 0.05em;
}
.contact-info .arr { color: var(--fg-3); }
.contact-info a:hover .arr { color: var(--accent); }

/* FOOTER */
footer {
  border-top: 1px solid var(--line);
  padding: 32px var(--pad);
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--fg-3);
  position: relative;
  z-index: 2;
  flex-wrap: wrap;
  gap: 16px;
}
footer .right { display: flex; gap: 18px; }
footer a { color: var(--fg-2); text-decoration: none; }
footer a:hover { color: var(--accent); }

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Cursor accent on hero */
.hero-cursor {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  background: var(--accent);
  vertical-align: text-bottom;
  margin-left: 4px;
  animation: blink 1s steps(2) infinite;
  box-shadow: 0 0 12px var(--accent-glow);
}
@keyframes blink { 50% { opacity: 0; } }

/* ═══════════════════════════════════════════
   RESPONSIVE — TABLET (≤960px)
   ═══════════════════════════════════════════ */
@media (max-width: 960px) {
  /* Nav */
  .nav-links { display: none; }
  .hamburger { display: none; }

  /* Hero */
  .hero { min-height: auto; padding-top: 100px; padding-bottom: 60px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-panel { max-width: 100%; }
  .hero-title { font-size: clamp(32px, 7vw, 52px); }

  /* About */
  .about-layout { grid-template-columns: 1fr; gap: 32px; }
  .about-portrait { position: static; flex-direction: row; gap: 20px; align-items: start; flex-wrap: wrap; }
  .about-photo { max-width: 200px; }
  .about-stats-row { grid-template-columns: 1fr; }
  .about-stat-card:not(:last-child) { border-right: none; border-bottom: 1px solid var(--line); }

  /* Services */
  .area-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .area-desc { text-align: left; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }

  /* Projects */
  .project { grid-template-columns: 1fr; gap: 16px; }
  .project-slot { max-width: 100%; }
  .project:hover { padding-left: 0; }

  /* Skills */
  .skills-grid { grid-template-columns: 1fr; }

  /* Experience */
  .tl-item { grid-template-columns: 1fr; gap: 6px; }

  /* Education */
  .edu-grid { grid-template-columns: 1fr; gap: 32px; }
  .courses-list ul { grid-template-columns: 1fr; }

  /* FAQ */
  .faq-item summary { grid-template-columns: 36px 1fr 24px; gap: 12px; }
  .faq-a { padding-left: 52px; }

  /* Contact */
  .contact-card { grid-template-columns: 1fr; }

  /* Footer */
  footer { flex-direction: column; align-items: flex-start; gap: 12px; }
}

/* ═══════════════════════════════════════════
   RESPONSIVE — MOBILE (≤600px)
   ═══════════════════════════════════════════ */
@media (max-width: 600px) {
  :root { --pad: 20px; }

  /* Nav compact */
  .nav-inner { padding: 12px var(--pad); }
  .brand { font-size: 13px; gap: 8px; }
  .brand-dot { width: 6px; height: 6px; }
  .lang-switch button { padding: 5px 8px; font-size: 10px; }

  /* Sections breathing */
  section { padding: 60px var(--pad) 48px; }
  .kicker { font-size: 11px; margin-bottom: 12px; }
  .section-title { font-size: clamp(24px, 7vw, 36px); margin-bottom: 8px; }

  /* Hero — mobile-first */
  .hero { padding-top: 90px; padding-bottom: 48px; min-height: auto; }
  .hero-title { font-size: clamp(28px, 8vw, 42px); margin-bottom: 20px; }
  .hero-sub { font-size: 15px; margin-bottom: 24px; }
  .hero-status { font-size: 11px; padding: 5px 10px; margin-bottom: 20px; }
  .hero-role { font-size: 12px; margin-bottom: 16px; }
  .hero-ctas { flex-direction: column; gap: 10px; }
  .hero-ctas .btn { justify-content: center; width: 100%; padding: 16px 20px; }
  .hero-panel { margin-top: 8px; }
  .hp-header { padding: 8px 12px; }
  .hp-body { padding: 12px; font-size: 11px; }
  .hp-out > div { grid-template-columns: 52px 1fr; font-size: 11px; }
  .hp-graph svg { height: 28px; }
  .hero-meta { display: none; }

  /* About — stacked */
  .about-layout { gap: 24px; }
  .about-portrait { flex-direction: column; gap: 16px; }
  .about-photo { max-width: 100%; aspect-ratio: 16/9; }
  .about-photo-frame { inset: -6px; }
  .about-credentials { gap: 6px; }
  .about-cred { font-size: 10px; padding: 5px 10px; }
  .about-body p { font-size: 15px; margin-bottom: 14px; }
  .about-body p:first-child { font-size: 17px; }
  .about-divider { margin: 24px 0; }
  .about-stat-card { padding: 18px 16px; }
  .about-stat-v { font-size: 14px; }

  /* Services — single column */
  .services-grid { grid-template-columns: 1fr; }
  .area { margin-top: 36px; padding-top: 20px; }
  .area-label { font-size: 22px; }
  .service { padding: 20px; min-height: auto; }
  .service-icon { width: 34px; height: 34px; }
  .service-title { font-size: 15px; }
  .service-desc { font-size: 12.5px; }

  /* Projects — full width cards */
  .projects-note { font-size: 11px; padding: 10px 12px; }
  .project { padding: 20px 0; gap: 14px; }
  .project-slot { aspect-ratio: 16/10; }
  .project-body h3 { font-size: 20px; }
  .project-body p { font-size: 14px; }
  .chips { gap: 5px; }
  .chip { font-size: 10px; padding: 3px 8px; }
  .metrics { gap: 6px; margin-top: 8px; }
  .metric { font-size: 10.5px; padding: 3px 8px; }

  /* Skills — touch-friendly chips */
  .skill-group { padding: 20px 16px; }
  .skill-group-label { font-size: 10px; margin-bottom: 14px; }
  .skill-chips { gap: 6px; }
  .skill-chip { font-size: 11px; padding: 7px 12px; }
  .langs-inline { flex-direction: column; gap: 12px; }

  /* Experience */
  .tl-item { padding: 20px 0; }
  .tl-role { font-size: 16px; }
  .tl-desc { font-size: 13.5px; }

  /* Education */
  .edu-item { grid-template-columns: 80px 1fr; gap: 16px; padding: 18px 0; }
  .edu-item h4 { font-size: 15px; }
  .courses-list li { font-size: 11.5px; padding: 10px 0; }

  /* FAQ — full width */
  .faq-item summary { padding: 18px 0; grid-template-columns: 30px 1fr 24px; gap: 10px; }
  .faq-q { font-size: 15px; }
  .faq-a { padding: 0 0 18px 44px; font-size: 14px; }

  /* Contact — stacked, form first */
  .contact-section { padding-top: 60px; padding-bottom: 60px; }
  .contact-card { padding: clamp(24px, 5vw, 40px); border-radius: 6px; }
  .contact-title { font-size: clamp(24px, 6vw, 32px); }
  .contact-sub { font-size: 15px; margin-bottom: 20px; }
  .contact-form { gap: 12px; }
  .contact-field input,
  .contact-field textarea { padding: 12px 14px; font-size: 14px; }
  .contact-field textarea { min-height: 100px; }
  .contact-info a { padding: 12px 14px; font-size: 12px; }

  /* Footer */
  footer { padding: 24px var(--pad); }
  footer .right { flex-wrap: wrap; gap: 12px; }
}

/* ═══════════════════════════════════════════
   RESPONSIVE — SMALL MOBILE (≤380px)
   ═══════════════════════════════════════════ */
@media (max-width: 380px) {
  .brand-name { font-size: 12px; }
  .hero-title { font-size: 26px; }
  .hero-sub { font-size: 14px; }
  .about-stat-card { padding: 14px 12px; }
  .service { padding: 16px; }
  .faq-q { font-size: 14px; }
  .contact-card { padding: 20px; }
}