/* ============================================================
   bastiantechnologies.com — shared styles
   tokens > base > layout > components > utilities
   ============================================================ */

:root {
  /* surfaces */
  --bg: #0A0B0D;
  --bg-elevated: #14171C;
  --bg-sunken: #07080A;
  --border: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.12);

  /* text */
  --text: #EAECEF;
  --text-secondary: #8B92A0;
  --text-muted: #5A6270;
  --text-faint: #383E48;

  /* accent — cobalt */
  --accent: #2563EB;
  --accent-soft: rgba(37, 130, 235, 0.16);
  --accent-glow: rgba(37, 130, 235, 0.35);
  --accent-hover: #3B82F6;

  /* type */
  --font-display: "Instrument Serif", "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;

  /* motion — scaled from design's 65% intensity */
  --motion-scale: 1;

  /* layout */
  --gutter: clamp(24px, 5vw, 80px);
  --section-y: clamp(96px, 14vw, 180px);
  --max-w: 1280px;
  --max-w-prose: 720px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  font-feature-settings: "ss01", "cv11";
  overflow-x: hidden;
  cursor: none;
}
@media (max-width: 720px), (pointer: coarse) {
  body { cursor: auto; }
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

::selection { background: var(--accent); color: #fff; }

/* ---------- noise overlay ---------- */
.noise {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.85'/></svg>");
}

.vignette {
  position: fixed; inset: 0; pointer-events: none; z-index: 99;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.55) 100%);
}

/* ---------- layout primitives ---------- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-inline: var(--gutter);
  position: relative;
}
.container--prose { max-width: var(--max-w-prose); }

section { position: relative; padding-block: var(--section-y); }

/* ---------- type ---------- */
.h-display {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(72px, 13vw, 200px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: var(--text);
}
.h-display em { font-style: italic; color: var(--accent); }

h1 { font-family: var(--font-display); font-weight: 400; font-size: clamp(40px, 6vw, 80px); line-height: 1.02; letter-spacing: -0.02em; margin: 0; }
h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(32px, 4.2vw, 56px); line-height: 1.05; letter-spacing: -0.015em; margin: 0; }
h3 { font-family: var(--font-sans); font-weight: 500; font-size: 19px; line-height: 1.35; letter-spacing: -0.005em; margin: 0; }
p  { margin: 0; }

.lede {
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.55;
  color: var(--text);
  letter-spacing: -0.005em;
  max-width: 56ch;
}
.body-lg { font-size: 18px; line-height: 1.65; color: var(--text-secondary); }
.body    { font-size: 16px; line-height: 1.65; color: var(--text-secondary); }
.small   { font-size: 14px; line-height: 1.5; color: var(--text-secondary); }

.mono-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.mono { font-family: var(--font-mono); font-size: 13px; }

.serif-italic { font-family: var(--font-display); font-style: italic; }

/* ---------- section headers ---------- */
.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: clamp(48px, 6vw, 88px);
}
.section-head__index {
  display: flex; align-items: center; gap: 14px;
  color: var(--text-muted);
}
.section-head__index .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.section-head__rule {
  height: 1px;
  background: linear-gradient(to right, var(--border-strong), transparent);
  margin-top: 8px;
}

/* ---------- links ---------- */
.link {
  position: relative;
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text);
  padding-bottom: 2px;
}
.link::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(1); transform-origin: right;
  transition: transform calc(0.5s / var(--motion-scale)) cubic-bezier(0.7, 0, 0.2, 1);
}
.link:hover::after { transform: scaleX(0); transform-origin: left; }
.link__arrow { transition: transform 0.4s cubic-bezier(0.7,0,0.2,1); }
.link:hover .link__arrow { transform: translate(2px, -2px); }

.link--accent { color: var(--accent); }
.link--accent::after { background: var(--accent); opacity: 0.4; }
.link--accent:hover { color: var(--accent-hover); }

/* ---------- pill / tag ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 14px 8px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  backdrop-filter: blur(6px);
}
.pill__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #4ADE80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.6);
  animation: pulse 2.4s ease-in-out infinite;
}
.pill__dot[data-color="amber"] { background: #FBBF24; box-shadow: 0 0 8px rgba(251, 191, 36, 0.6); }
.pill__dot[data-color="red"]   { background: #F87171; box-shadow: 0 0 8px rgba(248, 113, 113, 0.6); }
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}

.tag {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-transform: lowercase;
}
.tag--active { color: var(--accent); border-color: var(--accent-soft); background: var(--accent-soft); }

/* ---------- cards ---------- */
.card {
  position: relative;
  display: block;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.018), rgba(255,255,255,0.005));
  transition: transform calc(0.6s / var(--motion-scale)) cubic-bezier(0.22,1,0.36,1),
              border-color 0.4s ease,
              background 0.4s ease;
  isolation: isolate;
}
.card::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: 14px;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 0%), var(--accent-soft), transparent 40%);
  opacity: 0; transition: opacity 0.45s ease;
  pointer-events: none;
  z-index: -1;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.01));
}
.card:hover::before { opacity: 1; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 20px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.01em;
  transition: transform 0.25s ease, background 0.3s ease;
}
.btn:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn--ghost { background: transparent; border: 1px solid var(--border-strong); color: var(--text); }
.btn--ghost:hover { background: rgba(255,255,255,0.04); border-color: var(--text-muted); }

/* ---------- top progress bar ---------- */
.progress-bar {
  position: fixed; top: 0; left: 0; right: 0; height: 2px;
  background: transparent;
  z-index: 50;
  pointer-events: none;
}
.progress-bar__fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
  transition: width 0.05s linear;
}

/* ---------- side section indicator ---------- */
.section-indicator {
  position: fixed;
  top: 50%; right: clamp(16px, 2.5vw, 36px);
  transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 22px;
  z-index: 40;
}
@media (max-width: 900px) { .section-indicator { display: none; } }
.section-indicator__item {
  display: flex; align-items: center; justify-content: flex-end;
  gap: 10px;
  color: var(--text-muted);
  position: relative;
}
.section-indicator__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}
.section-indicator__tick {
  width: 22px; height: 1px;
  background: var(--text-faint);
  transition: width 0.35s cubic-bezier(0.7,0,0.2,1), background 0.35s ease;
}
.section-indicator__item:hover .section-indicator__label,
.section-indicator__item.is-active .section-indicator__label {
  opacity: 1; transform: translateX(0);
}
.section-indicator__item:hover .section-indicator__tick {
  width: 32px; background: var(--text-secondary);
}
.section-indicator__item.is-active .section-indicator__tick {
  width: 42px; background: var(--accent);
}
.section-indicator__item.is-active .section-indicator__label { color: var(--accent); }

/* ---------- top nav ---------- */
.topnav {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px var(--gutter);
  z-index: 45;
  pointer-events: none;
}
.topnav > * { pointer-events: auto; }
.topnav__brand {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text);
  text-transform: uppercase;
  display: flex; align-items: center; gap: 10px;
}
.topnav__brand .mark {
  display: inline-grid; place-items: center;
  width: 22px; height: 22px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  color: var(--accent);
}
.topnav__links {
  display: flex; gap: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  text-transform: uppercase;
}
.topnav__links a { transition: color 0.25s ease; }
.topnav__links a:hover { color: var(--text); }
/* mobile nav — toggle button + sheet (replaces old hide rule) */
.topnav__toggle {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  align-items: center; justify-content: center;
  gap: 5px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: rgba(20, 23, 28, 0.6);
  backdrop-filter: blur(10px);
  color: var(--text);
  cursor: pointer;
}
.topnav__toggle .bar {
  display: block; width: 16px; height: 1px;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.topnav.is-open .topnav__toggle .bar:nth-child(1) { transform: translateY(3px) rotate(45deg); }
.topnav.is-open .topnav__toggle .bar:nth-child(2) { opacity: 0; }
.topnav.is-open .topnav__toggle .bar:nth-child(3) { transform: translateY(-3px) rotate(-45deg); }

.topnav__brand .brand-short { display: none; }

@media (max-width: 720px) {
  .topnav__toggle { display: inline-flex; }
  .topnav__links {
    position: fixed;
    top: 70px; left: var(--gutter); right: var(--gutter);
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 8px;
    background: rgba(10, 11, 13, 0.96);
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    backdrop-filter: blur(14px);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }
  .topnav__links a {
    padding: 14px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
  }
  .topnav__links a:last-child { border-bottom: 0; }
  .topnav.is-open .topnav__links {
    opacity: 1; pointer-events: auto; transform: translateY(0);
  }
}
@media (max-width: 480px) {
  .topnav__brand .brand-full { display: none; }
  .topnav__brand .brand-short { display: inline; }
}

/* mobile defensive overflow */
.contact-channels a { min-width: 0; }
.contact-channels .value { overflow-wrap: anywhere; font-size: clamp(15px, 2.4vw, 18px); }
.hero__name, .post-title, .blog-hero h1, .h-display, .contact-block .h-large {
  overflow-wrap: break-word;
}

/* ---------- magnetic cursor ---------- */
.cursor {
  position: fixed; top: 0; left: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text);
  pointer-events: none;
  z-index: 1000;
  mix-blend-mode: difference;
  transform: translate3d(0,0,0);
  transition: width 0.25s ease, height 0.25s ease, background 0.25s ease;
}
.cursor--ring {
  position: fixed; top: 0; left: 0;
  width: 34px; height: 34px;
  border: 1px solid var(--text-secondary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 999;
  transform: translate3d(0,0,0);
  transition: width 0.3s ease, height 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}
.cursor.is-hover { width: 0; height: 0; }
.cursor--ring.is-hover {
  width: 56px; height: 56px;
  border-color: var(--accent);
  background: var(--accent-soft);
}
@media (max-width: 720px), (pointer: coarse) {
  .cursor, .cursor--ring { display: none; }
}

/* ---------- char reveal ---------- */
.char {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
  will-change: transform, opacity;
}
.char--space { width: 0.3em; }

/* ---------- reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity calc(0.9s / var(--motion-scale)) cubic-bezier(0.22,1,0.36,1),
              transform calc(0.9s / var(--motion-scale)) cubic-bezier(0.22,1,0.36,1);
  transition-delay: var(--reveal-delay, 0s);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.line-reveal-wrap { overflow: hidden; }
.line-reveal {
  display: block;
  transform: translateY(105%);
  transition: transform calc(1s / var(--motion-scale)) cubic-bezier(0.22,1,0.36,1);
  transition-delay: var(--line-delay, 0s);
}
.line-reveal.is-visible { transform: translateY(0); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 80px 0 60px;
  margin-top: 40px;
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
}
@media (max-width: 800px) {
  .site-footer .footer-grid { grid-template-columns: 1fr; gap: 36px; }
}
.site-footer .footer-bottom {
  margin-top: 80px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

/* ---------- TABLET RANGE (721px–1024px) ---------- */
/* dead zone fix: mobile nav rule was capped at 720px, multi-col grids
   only collapsed at 800/900px → tablets (iPad portrait 768–834,
   landscape up to 1024) got desktop nav + cramped multi-col layouts.
   This block extends mobile nav + hides side rail + stacks grids
   across the full tablet range. Pages with their own media queries
   inherit nav/indicator/footer/cursor; per-page grids still kick in
   at ≤800/900px as before. */
@media (max-width: 1024px) {
  /* nav: switch to mobile-style toggle + sheet */
  .topnav__toggle { display: inline-flex; }
  .topnav__links {
    position: fixed;
    top: 70px; left: var(--gutter); right: var(--gutter);
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 8px;
    background: rgba(10, 11, 13, 0.96);
    border: 1px solid var(--border-strong);
    border-radius: 12px;
    backdrop-filter: blur(14px);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }
  .topnav__links a {
    padding: 14px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
  }
  .topnav__links a:last-child { border-bottom: 0; }
  .topnav.is-open .topnav__links {
    opacity: 1; pointer-events: auto; transform: translateY(0);
  }

  /* side rail + custom cursor: hide on tablets (touch-likely) */
  .section-indicator { display: none; }
  .cursor, .cursor--ring { display: none; }
  body { cursor: auto; }

  /* homepage grids: stack 2-col, collapse 3-col → 2-col */
  .about-grid     { grid-template-columns: 1fr; gap: 40px; }
  .work-featured  { grid-template-columns: 1fr; }
  .contact-block  { grid-template-columns: 1fr; }
  .work-future    { grid-template-columns: repeat(2, 1fr); }
  .site-footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }

  /* blog/post pages */
  .blog-toolbar       { grid-template-columns: 1fr; }
  .post-body__layout  { grid-template-columns: 1fr; }
  .post-toc           { display: none; }

  /* breathing room */
  :root { --gutter: clamp(20px, 4vw, 56px); }
  section { padding-block: clamp(72px, 11vw, 140px); }
}

/* ---------- a11y ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .char { transform: none !important; opacity: 1 !important; }
  .line-reveal { transform: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .cursor, .cursor--ring { display: none; }
  body { cursor: auto; }
}