/* =========================================
   GIAN FRANCO MERCADO — CORE UI SYSTEM
   Terminal + Research Lab
   ========================================= */

/* ---------- CSS RESET ---------- */

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

html {
  scroll-behavior: smooth;
  scroll-snap-type: none;
}

body,
h1,
h2,
h3,
h4,
p,
ul,
ol,
figure,
blockquote {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

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

button {
  background: none;
  border: none;
  cursor: pointer;
}

/* ---------- THEME TOKENS ---------- */

:root {
  --bg: #0a0a0a;
  --bg-elevated: #101010;
  --bg-elevated-2: #121212;
  --text-primary: #eaeaea;
  --text-secondary: #b3b3b3;
  --text-muted: #7f7f7f;
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.18);
  --accent: #00ff9c;
  --accent-soft: rgba(0, 255, 156, 0.14);
  --accent-line: rgba(0, 255, 156, 0.72);

  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max-content-width: 840px;
  --nav-width: 220px;
  --page-padding-x: 40px;
  --page-padding-y: 32px;

  --section-min-height: auto;
  --section-padding-y: 120px;
  --section-gap: 56px;
  --content-gap: 24px;
  --grid-gap: 32px;
  --panel-padding: 26px;

  --radius: 0px;
  --transition-fast: 160ms ease;
  --transition-med: 220ms ease;
}

/* ---------- BASE ---------- */

html,
body {
  min-height: 100%;
  background: var(--bg);
  color: var(--text-primary);
}

body {
  font-family: var(--font-sans);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- TYPOGRAPHY ---------- */

.type-mono {
  font-family: var(--font-mono);
}

.type-sans {
  font-family: var(--font-sans);
}

.prompt,
.system-index,
.system-meta,
.panel-id,
.panel-meta,
.panel-cta,
.boot-line,
.status-line,
.scroll-hint {
  font-family: var(--font-mono);
}

.prompt {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.4;
}

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

.hero-name {
  font-family: var(--font-sans);
  font-size: clamp(2.4rem, 5vw, 4.75rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  font-weight: 600;
  text-transform: uppercase;
}

.hero-headline {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  color: var(--text-primary);
  max-width: 34ch;
}

.hero-statements {
  display: grid;
  gap: 8px;
}

.hero-statements p {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--text-primary);
}

.system-meta {
  display: grid;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 600;
}

.section-subtitle,
.section-description,
.panel-summary,
.connect-intro,
.project-intro,
.speaking-intro,
.lab-intro {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 62ch;
}

.manifesto-lines {
  display: grid;
  gap: 18px;
}

.manifesto-lines p {
  font-size: clamp(1.2rem, 2.1vw, 1.7rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  max-width: 28ch;
}

.origin-lines {
  display: grid;
  gap: 18px;
}

.origin-lines p {
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  color: var(--text-primary);
  max-width: 42ch;
}

.scroll-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: lowercase;
}

/* ---------- APP LAYOUT ---------- */

.site-shell {
  display: grid;
  grid-template-columns: var(--nav-width) minmax(0, 1fr);
  min-height: 100svh;
}

.site-nav {
  position: sticky;
  top: 0;
  height: 100svh;
  padding: 40px 20px 40px 32px;
  display: flex;
  align-items: center;
  border-right: 1px solid transparent;
}

.site-nav__inner {
  display: grid;
  gap: 18px;
}

.system-index-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.system-index {
  display: grid;
  gap: 10px;
}

.system-index a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.system-index a::before {
  content: ">";
  color: var(--text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.system-index a:hover {
  color: var(--text-primary);
  transform: translateX(2px);
}

.system-index a:hover::before {
  color: var(--accent);
}

.system-index a.is-active {
  color: var(--text-primary);
}

.system-index a.is-active::before {
  color: var(--accent);
}

.system-index a.is-active::after {
  content: "";
  position: absolute;
  left: -12px;
  top: 50%;
  width: 4px;
  height: 16px;
  background: var(--accent);
  transform: translateY(-50%);
}

.site-main {
  min-width: 0;
}

/* ---------- SECTION SHELL ---------- */

.section {
  min-height: auto;
  padding: var(--section-padding-y) var(--page-padding-x);
  display: flex;
  align-items: flex-start;
}

.section__inner {
  width: min(100%, var(--max-content-width));
  display: grid;
  gap: var(--section-gap);
}

.section--narrow .section__inner {
  width: min(100%, 720px);
}

.section--wide .section__inner {
  width: min(100%, 1040px);
}

/* ---------- BOOT SCREEN ---------- */

.boot-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: grid;
  place-items: center;
  padding: 32px;
  transition: opacity 320ms ease, visibility 320ms ease;
}

.boot-screen.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.boot-screen__inner {
  width: min(100%, 720px);
  display: grid;
  gap: 12px;
}

.boot-line {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--text-secondary);
}

.boot-line--ready {
  color: var(--accent);
}

/* ---------- HERO ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
}

.hero__inner {
  display: grid;
  gap: 28px;
}

.hero__header {
  display: grid;
  gap: 18px;
}

.hero__body {
  display: grid;
  gap: 24px;
}

.hero__footer {
  display: grid;
  gap: 20px;
  align-self: end;
}

.status-line {
  color: var(--text-muted);
}

.status-line .accent {
  color: var(--accent);
}

/* ---------- MANIFESTO ---------- */

.manifesto .prompt {
  margin-bottom: 8px;
}

/* ---------- LAB ---------- */

.lab__header {
  display: grid;
  gap: 16px;
}

.lab-groups {
  display: grid;
  gap: 80px;
}

.lab-group {
  display: grid;
  gap: 28px;
}

.lab-group__header {
  display: grid;
  gap: 10px;
}

.lab-group__title {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 600;
}

.lab-group__description {
  color: var(--text-secondary);
  max-width: 62ch;
}

/* ---------- PANELS GRID ---------- */

.panels-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--grid-gap);
}

/* ---------- RESEARCH LAB PANEL ---------- */

.panel {
  position: relative;
  min-height: 240px;
  border: 1px solid var(--border);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.01) 0%,
    rgba(255, 255, 255, 0.02) 100%
  );
  padding: var(--panel-padding);
  display: grid;
  align-content: start;
  gap: 18px;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-fast);
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: transparent;
  transition: background var(--transition-fast);
}

.panel:hover {
  border-color: var(--border-strong);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.015) 0%,
    rgba(255, 255, 255, 0.03) 100%
  );
  transform: translateY(-1px);
}

.panel:hover::before {
  background: var(--accent-line);
}

.panel__top {
  display: grid;
  gap: 12px;
}

.panel-id {
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.panel-title {
  font-size: 1.2rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 600;
  max-width: 18ch;
}

.panel-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.panel-summary {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.5;
  max-width: 34ch;
}

.panel-cta {
  margin-top: auto;
  align-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.88rem;
  transition: color var(--transition-fast);
}

.panel:hover .panel-cta {
  color: var(--accent);
}

/* CTA with brackets style */
.panel-cta::before {
  content: "[";
  color: inherit;
}

.panel-cta::after {
  content: "]";
  color: inherit;
}

/* ---------- SIMPLE PANELS FOR CONNECT / PROJECT ---------- */

.panel--compact {
  min-height: 210px;
}

/* ---------- BUTTON / INLINE MORE ---------- */

.more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.more-link:hover {
  color: var(--accent);
  transform: translateX(2px);
}

/* ---------- PROJECT / SPEAKING / CONNECT ---------- */

.project__header,
.speaking__header,
.connect__header {
  display: grid;
  gap: 16px;
}

/* ---------- FOOTER ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: 40px var(--page-padding-x) 64px;
}

.site-footer__inner {
  width: min(100%, var(--max-content-width));
  margin-left: calc(var(--nav-width) + 40px);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

@media (max-width: 768px) {
  .site-footer {
    padding: 20px var(--page-padding-x) 36px;
  }

  .site-footer__inner {
    width: 100%;
    margin-left: 0;
  }
}

/* ---------- ACCENT HELPERS ---------- */

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

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

.text-muted {
  color: var(--text-muted);
}

/* ---------- REVEAL STATES ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 420ms ease,
    transform 420ms ease;
}

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

/* ---------- MOBILE NAV PLACEHOLDER ---------- */

.mobile-system-bar {
  display: none;
}

.mobile-menu[hidden] {
  display: none !important;
}

/* ---------- RESPONSIVE ---------- */

@media (max-width: 1200px) {
  :root {
    --nav-width: 190px;
    --page-padding-x: 32px;
    --section-padding-y: 104px;
  }

  .hero-name {
    font-size: clamp(2.2rem, 5vw, 4.1rem);
  }
}

@media (max-width: 980px) {
  :root {
    --nav-width: 164px;
    --page-padding-x: 28px;
    --section-padding-y: 96px;
    --grid-gap: 24px;
  }

  .panels-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .panel {
    min-height: 220px;
  }
}

@media (max-width: 768px) {
  html {
    scroll-snap-type: none;
  }

  :root {
    --page-padding-x: 20px;
    --page-padding-y: 24px;
    --section-padding-y: 84px;
    --section-gap: 40px;
    --panel-padding: 22px;
  }

  .site-shell {
    grid-template-columns: 1fr;
  }

  .site-nav {
    display: none;
  }

  .mobile-system-bar {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    background: rgba(10, 10, 10, 0.88);
    backdrop-filter: blur(8px);
  }

  .mobile-system-bar__label {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
  }

  .mobile-system-bar__action {
    font-family: var(--font-mono);
    font-size: 0.86rem;
    color: var(--text-secondary);
  }

  .mobile-menu {
    position: sticky;
    top: 49px;
    z-index: 45;
    padding: 0 20px 16px;
    background: rgba(10, 10, 10, 0.96);
    border-bottom: 1px solid var(--border);
  }

  .mobile-menu__nav {
    display: grid;
    gap: 10px;
    padding-top: 14px;
  }

  .mobile-menu__nav a {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
  }

  .mobile-menu__nav a::before {
    content: ">";
    margin-right: 8px;
    color: var(--text-muted);
  }

  .mobile-menu__nav a.is-active,
  .mobile-menu__nav a:hover {
    color: var(--text-primary);
  }

  .mobile-menu__nav a.is-active::before,
  .mobile-menu__nav a:hover::before {
    color: var(--accent);
  }

  .section {
    min-height: auto;
    padding: 72px var(--page-padding-x);
  }

  .section__inner,
  .section--wide .section__inner,
  .section--narrow .section__inner {
    width: 100%;
  }

  .hero {
    min-height: 100svh;
  }

  .hero-name {
    font-size: clamp(2rem, 11vw, 3rem);
  }

  .hero-headline {
    font-size: 1.05rem;
    max-width: 26ch;
  }

  .manifesto-lines p {
    font-size: clamp(1.15rem, 5vw, 1.45rem);
    max-width: 100%;
  }

  .origin-lines p {
    font-size: 1.02rem;
  }

  .panels-grid {
    grid-template-columns: 1fr;
  }

  .panel,
  .panel--compact {
    min-height: auto;
  }

  .site-footer {
    padding: 20px var(--page-padding-x) 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}