/* =========================================================
   portfolio-qa / styles.css
   Design system: terminal / test-report aesthetic
   ========================================================= */

:root {
  /* Color */
  --bg: #0d1512;
  --bg-alt: #0f1a16;
  --surface: #141e1a;
  --surface-raised: #182620;
  --border: #24352d;
  --border-strong: #35493f;
  --text-primary: #f2efe6;
  --text-secondary: #9fb0a5;
  --text-muted: #7c8f83;

  --accent-pass: #5fc98d;
  --accent-pass-dim: rgba(95, 201, 141, 0.12);
  --accent-pass-hover: #70d69a;
  --accent-warn: #dcae67;
  --accent-warn-dim: rgba(220, 174, 103, 0.12);
  --accent-info: #7fa6c9;
  --accent-info-dim: rgba(127, 166, 201, 0.12);

  --nav-bg: rgba(13, 21, 18, 0.86);

  /* Type */
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Newsreader", Georgia, serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;

  /* Spacing scale (8px base) */
  --sp-1: 0.5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2rem;
  --sp-5: 3rem;
  --sp-6: 4rem;
  --sp-7: 6rem;
  --sp-8: 8rem;

  --radius-sm: 3px;
  --radius-md: 6px;

  --content-max: 1120px;

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ---------- Tema claro ---------- */
:root[data-theme="light"] {
  --bg: #f4f6f4;
  --bg-alt: #eceef0;
  --surface: #ffffff;
  --surface-raised: #ffffff;
  --border: #d7ddd8;
  --border-strong: #b9c1ba;
  --text-primary: #14201a;
  --text-secondary: #3f4c45;
  --text-muted: #647069;

  --accent-pass: #1f8a53;
  --accent-pass-dim: rgba(31, 138, 83, 0.12);
  --accent-pass-hover: #17703f;
  --accent-warn: #9a670f;
  --accent-warn-dim: rgba(154, 103, 15, 0.12);
  --accent-info: #2c6690;
  --accent-info-dim: rgba(44, 102, 144, 0.12);

  --nav-bg: rgba(255, 255, 255, 0.86);
}

:root[data-theme="light"] .btn-primary {
  color: #f4f6f4;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .pipeline-runner {
    display: none;
  }

  .pipeline-node {
    color: var(--accent-pass);
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

/* ---------- Focus states ---------- */
a:focus-visible,
button:focus-visible,
.tab:focus-visible {
  outline: 2px solid var(--accent-pass);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---------- Background texture ---------- */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.14;
  pointer-events: none;
}

/* ---------- Layout helpers ---------- */
.wrap {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--sp-4);
}

.section {
  padding-block: var(--sp-7);
  border-top: 1px solid var(--border);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
  flex-wrap: wrap;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-pass);
}

.eyebrow::before {
  content: "// ";
  color: var(--text-muted);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  color: var(--text-secondary);
  max-width: 62ch;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  margin: 0;
}

/* ---------- Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--nav-bg);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  position: relative;
}

.brand {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  text-decoration: none;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-pass);
  box-shadow: 0 0 0 3px var(--accent-pass-dim);
}

.nav-links {
  display: flex;
  gap: var(--sp-4);
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  transition: color 0.15s var(--ease);
}

.nav-links a:hover {
  color: var(--accent-pass);
}

.nav-back {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.15s var(--ease);
}

.nav-back:hover {
  color: var(--accent-pass);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.lang-toggle,
.theme-toggle {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1;
  padding: 0.4rem 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease);
}

.lang-toggle:hover,
.theme-toggle:hover {
  color: var(--accent-pass);
  border-color: var(--accent-pass);
}

.lang-toggle.is-active {
  color: var(--accent-pass);
  border-color: var(--accent-pass);
}

.theme-toggle {
  font-size: 0.85rem;
  line-height: 1;
  padding: 0.3rem 0.5rem;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  transition: border-color 0.15s var(--ease), background 0.15s var(--ease), transform 0.1s var(--ease);
  background: transparent;
  cursor: pointer;
}

.btn:hover {
  border-color: var(--accent-pass);
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent-pass);
  border-color: var(--accent-pass);
  color: #0b1410;
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--accent-pass-hover);
  border-color: var(--accent-pass-hover);
}

.btn-ghost {
  border-color: var(--border);
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text-primary);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

/* ---------- Status badges ---------- */
.status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.status-pass {
  color: var(--accent-pass);
  background: var(--accent-pass-dim);
}
.status-pass::before {
  background: var(--accent-pass);
}

.status-progress {
  color: var(--accent-warn);
  background: var(--accent-warn-dim);
}
.status-progress::before {
  background: var(--accent-warn);
}

.status-info {
  color: var(--accent-info);
  background: var(--accent-info-dim);
}
.status-info::before {
  background: var(--accent-info);
}

/* ---------- Hero ---------- */
.hero {
  padding-top: var(--sp-7);
  padding-bottom: var(--sp-7);
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--sp-6);
  align-items: center;
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--sp-2);
}

.hero-kicker strong {
  color: var(--text-primary);
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.2vw, 3.4rem);
  margin-bottom: var(--sp-3);
}

.lead {
  font-size: 1.1rem;
}

.hero p.lead {
  font-size: 1.15rem;
  margin-bottom: var(--sp-4);
}

/* terminal panel */
.terminal {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 60px -30px rgba(0, 0, 0, 0.6);
  transition: box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}

.terminal.is-running {
  border-color: var(--accent-pass);
  box-shadow: 0 20px 60px -30px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--accent-pass-dim),
    0 0 24px -4px var(--accent-pass-dim);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.9rem;
  background: var(--surface-raised);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.terminal-bar .tdot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--border-strong);
}

.terminal-body {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: var(--sp-3);
  color: var(--text-secondary);
  line-height: 1.75;
}

.terminal-body .prompt {
  color: var(--accent-info);
}

.terminal-body .cmd {
  color: var(--text-primary);
}

.term-cmd-line {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.terminal-line {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-2);
}

.terminal-line .name {
  color: var(--text-secondary);
}

.test-status {
  font-weight: 600;
  color: var(--text-muted);
  transition: color 0.2s var(--ease);
}

.test-status.is-running {
  color: var(--accent-warn);
  animation: pulse-status 0.9s ease-in-out infinite;
}

.test-status.is-pass {
  color: var(--accent-pass);
  animation: none;
}

@keyframes pulse-status {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

.terminal-summary {
  margin-top: var(--sp-2);
  padding-top: var(--sp-2);
  border-top: 1px dashed var(--border);
  color: var(--text-muted);
}

.terminal-summary.is-done {
  animation: summary-flash 0.7s ease;
}

@keyframes summary-flash {
  0% {
    color: var(--text-muted);
  }
  35% {
    color: var(--accent-pass);
  }
  100% {
    color: var(--text-muted);
  }
}

.terminal-summary .ok {
  color: var(--accent-pass);
}

.blink {
  display: inline-block;
  width: 7px;
  height: 1.1em;
  background: var(--accent-pass);
  vertical-align: text-bottom;
  animation: blink 1.1s step-end infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.illustrative-tag {
  margin-top: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ---------- Pipeline strip (automation motif) ---------- */
.pipeline {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 0.7rem 0.9rem;
  border-top: 1px solid var(--border);
  background: var(--surface-raised);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.pipeline-label {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.pipeline-track {
  position: relative;
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 1.4em;
}

.pipeline-track::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-strong);
  transform: translateY(-50%);
}

.pipeline-node {
  position: relative;
  z-index: 1;
  background: var(--surface-raised);
  padding-inline: 0.4rem;
  color: var(--text-muted);
  animation: node-flash 4s linear infinite;
}

.pipeline-runner {
  position: absolute;
  top: 50%;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-pass);
  box-shadow: 0 0 8px 2px var(--accent-pass-dim);
  transform: translate(-50%, -50%);
  animation: run-pipeline 4s linear infinite;
}

@keyframes run-pipeline {
  0% {
    left: 0%;
    opacity: 0;
  }
  4% {
    opacity: 1;
  }
  96% {
    opacity: 1;
  }
  100% {
    left: 100%;
    opacity: 0;
  }
}

@keyframes node-flash {
  0%,
  40%,
  60%,
  100% {
    color: var(--text-muted);
  }
  50% {
    color: var(--accent-pass);
  }
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--sp-5);
}

.about-grid .label-col {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-left: 2px solid var(--accent-pass);
  padding-left: var(--sp-2);
  height: fit-content;
}

.about-grid p {
  max-width: 68ch;
  font-size: 1.05rem;
}

.about-grid p + p {
  margin-top: var(--sp-2);
}

/* ---------- Tech grid ---------- */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: border-color 0.15s var(--ease), color 0.15s var(--ease);
}

.tech-tag:hover {
  border-color: var(--accent-pass);
  color: var(--accent-pass);
}

/* ---------- Projects ---------- */
.project-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
}

.project-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--sp-4);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-3);
  align-items: start;
  transition: border-color 0.15s var(--ease), background 0.15s var(--ease);
  background: var(--bg);
}

.project-card:hover {
  border-color: var(--border-strong);
  background: var(--surface);
}

.project-card.featured {
  grid-template-columns: 1fr;
  padding: var(--sp-5);
  background: var(--surface);
  border-color: var(--border-strong);
}

.project-card.featured .project-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.project-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.35rem;
}

.project-card h3 {
  margin-bottom: 0.4rem;
}

.project-card.featured h3 {
  font-size: 1.6rem;
}

.project-desc {
  font-size: 0.98rem;
  margin-bottom: var(--sp-2);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: var(--sp-2);
}

.project-tech span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.project-links a {
  text-decoration: none;
  color: var(--accent-info);
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s var(--ease);
}

.project-links a:hover {
  border-color: var(--accent-info);
}

.project-links .disabled {
  color: var(--text-muted);
  cursor: default;
}

.project-status-col {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--sp-2);
}

/* ---------- Education ---------- */
.edu-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.edu-block {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-4);
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--sp-4);
}

.edu-block-single {
  grid-template-columns: 1fr;
}

.edu-source {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.3rem;
}

/* ---------- Contact ---------- */
.contact {
  text-align: left;
}

.contact h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin-bottom: var(--sp-3);
  max-width: 20ch;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.contact-links a {
  text-decoration: none;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 2px;
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease);
}

.contact-links a:hover {
  color: var(--accent-pass);
  border-color: var(--accent-pass);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: var(--sp-4);
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Internal project page ---------- */
.project-hero {
  padding-top: var(--sp-6);
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid var(--border);
}

.project-hero .status {
  margin-bottom: var(--sp-2);
}

.project-hero h1 {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  margin-bottom: var(--sp-2);
}

.project-hero .lead {
  margin-bottom: 0;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: var(--sp-3);
}

.detail-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--sp-3) var(--sp-5);
}

.detail-grid dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-pass);
  padding-top: 0.2rem;
}

.detail-grid dd {
  margin: 0 0 var(--sp-4) 0;
  color: var(--text-secondary);
  max-width: 68ch;
}

.detail-grid dd.placeholder {
  color: var(--text-muted);
  font-style: italic;
}

.evidence-block {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  padding: var(--sp-3);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero .wrap {
    grid-template-columns: 1fr;
  }
  .about-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }
  .about-grid .label-col,
  .detail-grid dt {
    border-left: none;
    padding-left: 0;
  }
}

@media (max-width: 720px) {
  .section {
    padding-block: var(--sp-5);
  }

  .nav-links {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: var(--sp-3) var(--sp-4);
    gap: var(--sp-2);
    display: none;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-toggle {
    display: inline-block;
  }

  .brand {
    font-size: 0.78rem;
  }

  .nav-right {
    gap: 0.4rem;
  }

  .nav-controls {
    gap: 0.4rem;
  }

  .lang-toggle,
  .theme-toggle {
    padding: 0.35rem 0.45rem;
    font-size: 0.85rem;
  }

  .project-card {
    grid-template-columns: 1fr;
  }

  .project-status-col {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .project-card.featured .project-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .edu-block {
    grid-template-columns: 1fr;
  }

  .btn-row {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    justify-content: center;
  }

  .contact-links {
    flex-direction: column;
    gap: var(--sp-2);
  }

  .pipeline {
    gap: var(--sp-2);
    font-size: 0.62rem;
    padding: 0.6rem 0.7rem;
  }

  .pipeline-label {
    display: none;
  }

  .terminal-body {
    font-size: 0.7rem;
    padding: var(--sp-2);
  }

  .terminal-line {
    gap: 0.4rem;
  }
}