/* tomasmanarte.dev v4
   Static bilingual portfolio. Natural copy, process automation focus.
   No JavaScript. No external resources. Cloudflare Pages ready. */

:root {
  --bg: #05070d;
  --bg-soft: #0a1020;
  --surface: rgba(12, 18, 32, 0.76);
  --surface-strong: rgba(17, 25, 43, 0.86);
  --text: #f4f8ff;
  --muted: #a7b4c8;
  --muted-2: #7f8ca3;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(125, 211, 252, 0.35);
  --cyan: #67e8f9;
  --blue: #38bdf8;
  --violet: #a78bfa;
  --green: #34d399;
  --amber: #fbbf24;
  --red: #fb7185;
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
  --max: 1160px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 10%, rgba(103, 232, 249, 0.18), transparent 30rem),
    radial-gradient(circle at 82% 16%, rgba(167, 139, 250, 0.16), transparent 28rem),
    radial-gradient(circle at 50% 90%, rgba(52, 211, 153, 0.07), transparent 36rem),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 58%, #03050a 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.78), transparent 74%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(5,7,13,0.55), transparent 24%, transparent 76%, rgba(5,7,13,0.55)),
    radial-gradient(circle at center, transparent 0 42%, rgba(0,0,0,0.22) 100%);
  pointer-events: none;
}

a { color: inherit; }

::selection {
  color: #02101a;
  background: var(--cyan);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  z-index: 20;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--cyan);
  color: #00131d;
  font-weight: 900;
}

.skip-link:focus { left: 12px; }

.shell {
  width: min(var(--max), calc(100% - 34px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(5, 7, 13, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.25);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #03111b;
  font-weight: 950;
  letter-spacing: -0.08em;
  box-shadow: 0 0 44px rgba(103, 232, 249, 0.22);
}

.brand-text {
  font-weight: 860;
  letter-spacing: -0.035em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 760;
  text-decoration: none;
  transition: color 140ms ease, background 140ms ease, border-color 140ms ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
  outline: 0;
}

.nav .lang {
  color: #03111b;
  background: var(--cyan);
}

.hero {
  min-height: 82vh;
  display: grid;
  align-items: center;
  padding: 92px 0 70px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 40px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 18px;
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 920;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 99px;
  background: var(--green);
  box-shadow: 0 0 24px rgba(52, 211, 153, 0.78);
}

h1, h2, h3 {
  line-height: 1.04;
}

h1 {
  max-width: 880px;
  margin: 0;
  font-size: clamp(3rem, 7.3vw, 6.85rem);
  letter-spacing: -0.082em;
}

.gradient-text {
  background: linear-gradient(90deg, #fff, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  max-width: 790px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight: 860;
  text-decoration: none;
  transition: transform 150ms ease, background 150ms ease, border-color 150ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  outline: 0;
}

.button.primary {
  color: #03111b;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  border-color: transparent;
}

.button.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.045);
}

.button.secondary:hover { border-color: var(--line-strong); }

.hero-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.window-dots {
  display: flex;
  gap: 7px;
}

.window-dots span {
  width: 9px;
  height: 9px;
  border-radius: 99px;
  background: rgba(255,255,255,0.22);
}

.window-dots span:nth-child(1) { background: var(--red); }
.window-dots span:nth-child(2) { background: var(--amber); }
.window-dots span:nth-child(3) { background: var(--green); }

.card-top small {
  color: var(--muted-2);
  font-weight: 780;
}

.terminal {
  padding: 24px;
  min-height: 366px;
}

.terminal-line {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.94rem;
}

.terminal-line:last-child { border-bottom: 0; }

.prompt {
  color: var(--cyan);
}

.terminal-line strong {
  color: var(--text);
  font-family: inherit;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.metric {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.045);
}

.metric strong {
  display: block;
  color: var(--text);
  font-size: 1.04rem;
}

.metric span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  padding: 72px 0;
}

.section-head {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 34px;
  align-items: start;
  margin-bottom: 30px;
}

.kicker {
  margin: 0;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 920;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section h2 {
  margin: 10px 0 0;
  font-size: clamp(2rem, 4vw, 4.1rem);
  letter-spacing: -0.066em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.about-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
}

.copy {
  padding: 34px;
}

.copy p {
  margin: 0 0 18px;
  color: var(--muted);
}

.copy p:last-child { margin-bottom: 0; }

.principles {
  padding: 34px;
  border-left: 1px solid var(--line);
  background:
    radial-gradient(circle at 75% 18%, rgba(103, 232, 249, 0.13), transparent 15rem),
    linear-gradient(135deg, rgba(103, 232, 249, 0.07), rgba(167, 139, 250, 0.08));
}

.principles h3 {
  margin: 0 0 20px;
  font-size: 1.55rem;
  letter-spacing: -0.04em;
}

.clean-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.clean-list li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
}

.clean-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: var(--cyan);
  box-shadow: 0 0 22px rgba(103, 232, 249, 0.6);
}

.capabilities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.cap-card {
  min-height: 210px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
}

.cap-card h3 {
  margin: 0 0 12px;
  font-size: 1.22rem;
  letter-spacing: -0.025em;
}

.cap-card p {
  margin: 0;
  color: var(--muted);
}

.stack-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.pill {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.055);
  color: #d8e5f8;
  font-size: 0.86rem;
  font-weight: 820;
}

.examples {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.example-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.045);
}

.example-card h3 {
  margin: 0 0 10px;
  font-size: 1.16rem;
}

.example-card p {
  margin: 0;
  color: var(--muted);
}

.project {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  overflow: hidden;
}

.project-copy {
  padding: 38px;
}

.project-copy h3 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 3.7rem);
  letter-spacing: -0.074em;
}

.project-copy p {
  color: var(--muted);
}

.project-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.meta-item {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.045);
}

.meta-item strong {
  display: block;
  color: var(--text);
}

.meta-item span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.92rem;
}

.project-visual {
  position: relative;
  display: grid;
  place-items: center;
  padding: 34px;
  border-left: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 42%, rgba(103,232,249,0.20), transparent 16rem),
    linear-gradient(145deg, rgba(103,232,249,0.07), rgba(167,139,250,0.10));
}

.workflow {
  width: min(390px, 100%);
  display: grid;
  gap: 14px;
}

.workflow-step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(5, 7, 13, 0.52);
}

.workflow-step span {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #03111b;
  font-weight: 950;
}

.workflow-step strong {
  display: block;
  line-height: 1.2;
}

.workflow-step small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}

.security-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.security-item {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.045);
}

.security-item h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.security-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.contact {
  padding: 34px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
}

.contact p {
  margin: 0;
  color: var(--muted);
}

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

.footer {
  width: min(var(--max), calc(100% - 34px));
  margin: 0 auto;
  padding: 38px 0 48px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer strong { color: var(--text); }

@media (max-width: 1000px) {
  .hero-grid,
  .section-head,
  .about-panel,
  .project,
  .contact {
    grid-template-columns: 1fr;
  }

  .principles,
  .project-visual {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .capabilities,
  .examples {
    grid-template-columns: repeat(2, 1fr);
  }

  .security-band,
  .metric-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    border-radius: 24px;
  }

  .brand-text { display: none; }

  .nav {
    justify-content: flex-start;
  }

  .nav a {
    padding: 7px 9px;
    font-size: 0.9rem;
  }

  .hero {
    min-height: auto;
    padding: 70px 0 50px;
  }

  .terminal-line {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .capabilities,
  .examples,
  .security-band,
  .metric-row,
  .project-meta {
    grid-template-columns: 1fr;
  }

  .copy,
  .principles,
  .project-copy,
  .contact {
    padding: 24px;
  }

  .terminal {
    padding: 20px;
    min-height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
  .button:hover, .button:focus-visible { transform: none; }
}