/* ============================================================================
   Pasan Gayantha Jayaweera - portfolio stylesheet
   ----------------------------------------------------------------------------
   Contents
     01  Tokens (colour, type, space, motion)
     02  Reset & base
     03  Utilities & primitives (buttons, chips, status, shell)
     04  Header & navigation
     05  Hero & portrait
     06  Sections & headings
     07  About
     08  Career architecture (the stack)
     09  Skills
     10  Projects + case-study dialog
     11  Timeline
     12  Certifications
     13  Education & experience
     14  Contact & form
     15  Footer
     16  Motion / reduced-motion / print
   ========================================================================== */

/* ---------------------------------------------------------------- 01 TOKENS */
@font-face { font-family: "Geist"; src: url("../assets/fonts/geist.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Newsreader"; src: url("../assets/fonts/newsreader.woff2") format("woff2"); font-weight: 200 800; font-style: normal; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("../assets/fonts/geistmono.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }

:root {
  /* Type ------------------------------------------------------------------ */
  --font-sans: "Geist", ui-sans-serif, system-ui, -apple-system,
               "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: var(--font-sans);
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", SFMono-Regular, "JetBrains Mono",
               "IBM Plex Mono", Menlo, Consolas, monospace;

  --fs-2xs: 0.6875rem;
  --fs-xs:  0.75rem;
  --fs-sm:  0.8125rem;
  --fs-base: clamp(1rem, 0.97rem + 0.14vw, 1.0625rem);
  --fs-md:  clamp(1.0625rem, 1.01rem + 0.26vw, 1.1875rem);
  --fs-lg:  clamp(1.1875rem, 1.1rem + 0.4vw, 1.375rem);
  --fs-xl:  clamp(1.625rem, 1.32rem + 1.3vw, 2.375rem);
  --fs-display: clamp(2.125rem, 1.35rem + 3.3vw, 4rem);

  --lh-tight: 1.12;
  --lh-snug: 1.35;
  --lh-body: 1.68;

  /* Space ----------------------------------------------------------------- */
  --sp-1: 0.25rem;  --sp-2: 0.5rem;   --sp-3: 0.75rem;  --sp-4: 1rem;
  --sp-5: 1.5rem;   --sp-6: 2rem;     --sp-7: 2.75rem;  --sp-8: 4rem;
  --sp-9: clamp(5rem, 3.5rem + 5vw, 8.5rem);

  --shell: 1160px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 5px;
  --radius-lg: 10px;

  /* Motion ---------------------------------------------------------------- */
  --t-fast: 150ms;
  --t-base: 200ms;
  --t-slow: 250ms;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark theme (default) ------------------------------------------------------ */
:root,
[data-theme="dark"] {
  --bg:            #191919;
  --bg-alt:        #1d1d1c;
  --surface:       #202020;
  --surface-hi:    #262625;
  --border:        #2f2f2e;
  --border-strong: #454543;
  --text:          #ecebe9;
  --text-muted:    #a3a19c;
  --text-faint:    #8b8984;
  --accent:        #ecebe9;
  --accent-hi:     #ffffff;
  --accent-dim:    rgba(236, 235, 233, 0.07);
  --sage:          #8fbf93;
  --amber:         #d9b45e;
  --danger:        #e08a83;
  --blue:          #78b4dd;
  --pastel-green:  rgba(143, 191, 147, 0.14);
  --pastel-yellow: rgba(217, 180, 94, 0.14);
  --pastel-blue:   rgba(120, 180, 221, 0.14);
  --pastel-red:    rgba(224, 138, 131, 0.14);
  --pastel-gray:   rgba(236, 235, 233, 0.07);
  --on-accent: #191919;
  --shadow-sm: none;
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 12px 40px -16px rgba(0, 0, 0, 0.5);
  --header-bg: rgba(25, 25, 25, 0.85);
  --grid-line: transparent;
  --glow: rgba(236, 235, 233, 0.035);
  color-scheme: dark;
}

/* Light theme --------------------------------------------------------------- */
[data-theme="light"] {
  --bg:            #fbfbfa;
  --bg-alt:        #f7f6f3;
  --surface:       #ffffff;
  --surface-hi:    #f9f9f8;
  --border:        #eaeaea;
  --border-strong: #d6d5d1;
  --text:          #111111;
  --text-muted:    #55534e;
  --text-faint:    #6b6a66;
  --accent:        #111111;
  --accent-hi:     #000000;
  --accent-dim:    rgba(17, 17, 17, 0.05);
  --sage:          #346538;
  --amber:         #956400;
  --danger:        #9f2f2d;
  --blue:          #1f6c9f;
  --pastel-green:  #edf3ec;
  --pastel-yellow: #fbf3db;
  --pastel-blue:   #e1f3fe;
  --pastel-red:    #fdebec;
  --pastel-gray:   #f1f1ef;
  --on-accent: #ffffff;
  --shadow-sm: none;
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 40px -18px rgba(0, 0, 0, 0.08);
  --header-bg: rgba(251, 251, 250, 0.85);
  --grid-line: transparent;
  --glow: rgba(120, 100, 60, 0.05);
  color-scheme: light;
}

/* ------------------------------------------------------------ 02 RESET/BASE */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--t-slow) var(--ease), color var(--t-slow) var(--ease);
}

h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: var(--lh-tight); letter-spacing: -0.021em; }
h1, h2 { font-family: var(--font-display); font-weight: 600; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
[hidden] { display: none !important; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
strong { font-weight: 600; }
em { font-style: normal; color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent-hi);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: var(--text); color: var(--bg); }
input, textarea { caret-color: var(--accent); }
html { scrollbar-color: var(--border-strong) transparent; scrollbar-width: thin; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 8px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }
a:not([class]) { text-underline-offset: 3px; }
.chip, .status, .tl__period, .project__number, .project__period, .cert__meta { font-variant-numeric: tabular-nums; }

/* --------------------------------------------------- 03 UTILITIES/PRIMITIVES */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
  font-variant-ligatures: none;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

.skip-link {
  position: absolute; top: 0; left: 50%;
  transform: translate(-50%, -120%);
  z-index: 200;
  background: var(--accent); color: var(--bg);
  padding: 0.7rem 1.2rem; font-weight: 600;
  border-radius: 0 0 var(--radius) var(--radius);
}
.skip-link:focus-visible { transform: translate(-50%, 0); outline-offset: -3px; }

/* Buttons ------------------------------------------------------------------- */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--text);
  --btn-bd: var(--border-strong);
  display: inline-flex; align-items: center; gap: 0.55em;
  padding: 0.68em 1.15em;
  background: var(--btn-bg); color: var(--btn-fg);
  border: 1px solid var(--btn-bd); border-radius: var(--radius);
  font-size: var(--fs-sm); font-weight: 550; letter-spacing: 0.005em;
  cursor: pointer; text-align: left;
  transition: background-color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}
.btn svg { width: 15px; height: 15px; flex: none; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary { --btn-bg: var(--accent); --btn-fg: #06161b; --btn-bd: var(--accent); font-weight: 600; }
.btn--primary:hover { --btn-bg: var(--accent-hi); --btn-bd: var(--accent-hi); }

.btn--ghost:hover { --btn-bd: var(--accent); color: var(--accent); }

.btn--muted {
  --btn-bd: var(--border);
  color: var(--text-faint);
  cursor: not-allowed;
}
.btn--muted:hover { transform: none; }

.link-btn {
  background: none; border: 0; padding: 0;
  font-size: var(--fs-sm); color: var(--text-muted);
  text-decoration: underline; text-underline-offset: 3px;
  text-decoration-color: var(--border-strong);
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), text-decoration-color var(--t-fast) var(--ease);
}
.link-btn:hover { color: var(--accent); text-decoration-color: var(--accent); }

/* Status chips -------------------------------------------------------------- */
.status {
  display: inline-flex; align-items: center; gap: 0.45em;
  padding: 0.24em 0.6em 0.28em;
  font-family: var(--font-sans); font-weight: 550; font-size: var(--fs-2xs);
  text-transform: uppercase; letter-spacing: 0.07em; line-height: 1.4;
  border: 1px solid var(--st-bd, var(--border));
  background: var(--st-bg, transparent);
  color: var(--st-fg, var(--text-muted));
  border-radius: 2px; white-space: nowrap;
}
.status[data-status="current"]     { --st-fg: var(--accent-hi); --st-bd: color-mix(in srgb, var(--accent) 42%, transparent); --st-bg: var(--accent-dim); }
.status[data-status="in-progress"] { --st-fg: var(--amber);     --st-bd: color-mix(in srgb, var(--amber) 38%, transparent);  --st-bg: color-mix(in srgb, var(--amber) 10%, transparent); }
.status[data-status="planned"]     { --st-fg: var(--text-faint);--st-bd: var(--border); }
.status[data-status="target"]      { --st-fg: var(--text-faint);--st-bd: var(--border); }
.status[data-status="completed"],
.status[data-status="earned"],
.status[data-status="experience"] { --st-fg: var(--sage); --st-bd: color-mix(in srgb, var(--sage) 40%, transparent); --st-bg: color-mix(in srgb, var(--sage) 10%, transparent); }

/* Tech chips ---------------------------------------------------------------- */
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip {
  font-family: var(--font-mono); font-size: var(--fs-2xs);
  letter-spacing: 0.03em; color: var(--text-muted);
  padding: 0.26em 0.55em; border: 1px solid var(--border);
  border-radius: 2px; background: var(--bg);
  white-space: nowrap;
}

.notice {
  display: flex; gap: 0.85rem; align-items: flex-start;
  padding: 0.95rem 1.1rem; margin-bottom: var(--sp-6);
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface);
  font-size: var(--fs-sm); color: var(--text-muted); line-height: 1.6;
}
.notice svg { width: 17px; height: 17px; flex: none; margin-top: 2px; color: var(--accent); }

.footnote, .legend-note {
  margin-top: var(--sp-6); padding-top: var(--sp-4);
  border-top: 1px solid var(--border);
  font-size: var(--fs-sm); color: var(--text-faint); line-height: 1.6;
}
.legend-note { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1.1rem; }

.empty-state { padding: var(--sp-6) 0; color: var(--text-faint); font-size: var(--fs-sm); }

.noscript-note {
  padding: var(--sp-4) var(--gutter); margin-top: 80px;
  border-bottom: 1px solid var(--border); color: var(--amber);
}
.noscript-note a { color: var(--accent); text-decoration: underline; }

/* ------------------------------------------------------- 04 HEADER & NAV */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--header-bg);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-base) var(--ease), background-color var(--t-base) var(--ease);
}
.site-header.is-stuck { border-bottom-color: var(--border); }

.nav-shell {
  display: flex; align-items: center; gap: var(--sp-5);
  min-height: 68px;
}

.brand { display: flex; align-items: center; gap: 0.7rem; margin-right: auto; flex: none; }
.brand__mark {
  display: grid; place-items: center;
  width: 30px; height: 30px;
  border: 1px solid var(--border-strong); border-radius: 3px;
  font-family: var(--font-mono); font-size: var(--fs-xs); font-weight: 600;
  letter-spacing: 0.02em; color: var(--accent);
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}
.brand:hover .brand__mark { border-color: var(--accent); background: var(--accent-dim); }
.brand__text { display: flex; flex-direction: column; line-height: 1.25; }
.brand__name { font-size: var(--fs-sm); font-weight: 600; letter-spacing: -0.008em; }
.brand__role {
  font-family: var(--font-sans); font-size: var(--fs-2xs);
  color: var(--text-faint); letter-spacing: 0.01em;
}

.nav__list { display: flex; align-items: center; gap: 0.15rem; }
.nav__link {
  position: relative; display: block;
  padding: 0.5rem 0.62rem;
  font-size: var(--fs-sm); color: var(--text-muted);
  border-radius: var(--radius);
  transition: color var(--t-fast) var(--ease);
}
.nav__link::after {
  content: ""; position: absolute;
  left: 0.62rem; right: 0.62rem; bottom: 0.15rem; height: 1px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-base) var(--ease);
}
.nav__link:hover { color: var(--text); }
.nav__link.is-active { color: var(--text); }
.nav__link.is-active::after { transform: scaleX(1); }

.nav-actions { display: flex; align-items: center; gap: 0.35rem; flex: none; }

.icon-btn {
  display: grid; place-items: center;
  width: 36px; height: 36px; padding: 0;
  background: transparent; color: var(--text-muted);
  border: 1px solid transparent; border-radius: var(--radius);
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease),
              background-color var(--t-fast) var(--ease);
}
.icon-btn:hover { color: var(--text); border-color: var(--border); background: var(--surface); }
.icon-btn .icon { width: 18px; height: 18px; }
[data-theme="dark"] .icon--sun,
[data-theme="light"] .icon--moon { display: none; }

.nav-toggle { display: none; }
.nav-toggle__bars { display: grid; gap: 5px; width: 17px; }
.nav-toggle__bars span {
  display: block; height: 1.5px; background: currentColor; border-radius: 2px;
  transition: transform var(--t-base) var(--ease), opacity var(--t-fast) var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:first-child { transform: translateY(3.25px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:last-child  { transform: translateY(-3.25px) rotate(-45deg); }

.nav-progress {
  position: absolute; left: 0; bottom: -1px; height: 1.5px; width: 100%;
  transform: scaleX(0); transform-origin: left; background: var(--accent); opacity: 0.85;
}
@supports (animation-timeline: scroll()) {
  @media (prefers-reduced-motion: no-preference) {
    .nav-progress { animation: progress linear both; animation-timeline: scroll(root block); }
    @keyframes progress { to { transform: scaleX(1); } }
  }
}

@media (max-width: 960px) {
  .nav-toggle { display: grid; }
  .nav {
    position: absolute; inset: 100% 0 auto 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    display: grid; overflow: hidden;
    grid-template-rows: 0fr;
    transition: grid-template-rows var(--t-slow) var(--ease), visibility var(--t-slow);
    visibility: hidden;
  }
  .nav__list { min-height: 0; flex-direction: column; align-items: stretch; gap: 0; padding: var(--sp-2) var(--gutter) var(--sp-4); }
  .nav.is-open { grid-template-rows: 1fr; visibility: visible; }
  .nav__link { padding: 0.85rem 0.2rem; border-bottom: 1px solid var(--border); font-size: var(--fs-base); }
  .nav__link::after { left: 0.2rem; right: auto; width: 14px; bottom: 0.55rem; }
  .nav__list li:last-child .nav__link { border-bottom: 0; }
}

/* ------------------------------------------------------ 05 HERO & PORTRAIT */
.hero {
  position: relative;
  padding-block: clamp(3rem, 2rem + 6vw, 6.5rem) var(--sp-9);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.hero__shell {
  position: relative;
  display: grid; gap: clamp(2.5rem, 5vw, 4.5rem);
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
  align-items: center;
}


.hero__name {
  font-size: var(--fs-display);
  letter-spacing: -0.035em; font-weight: 600; line-height: 1.02;
  text-wrap: balance;
}
.hero__headline {
  margin-top: var(--sp-4);
  font-size: var(--fs-lg); font-weight: 400; color: var(--text-muted);
  letter-spacing: -0.012em;
}
.hero__disciplines {
  margin-top: var(--sp-3);
  color: var(--accent); font-size: var(--fs-sm); letter-spacing: 0.055em;
}
.hero__tagline {
  margin-top: var(--sp-5);
  max-width: 46ch; color: var(--text-muted); font-size: var(--fs-md);
  padding-left: 0;
}
.hero__actions {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
  margin-top: var(--sp-6);
}
.hero__meta {
  display: flex; flex-wrap: wrap; gap: 0.4rem 2rem;
  margin: var(--sp-7) 0 0; padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
}
.hero__meta div { display: flex; flex-direction: column; gap: 0.15rem; }
.hero__meta dt {
  font-family: var(--font-mono); font-size: var(--fs-2xs);
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-faint);
}
.hero__meta dd { margin: 0; font-size: var(--fs-sm); color: var(--text); }

/* Portrait ------------------------------------------------------------------ */
.hero__portrait { display: flex; flex-direction: column; gap: var(--sp-3); }

.portrait { margin: 0; position: relative; }
.portrait::before {
  content: ""; position: absolute;
  inset: 18px -16px auto 16px; aspect-ratio: 4 / 5;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  pointer-events: none;
}
.portrait__frame {
  position: relative;
  aspect-ratio: 4 / 5;                 /* reserves space: no layout shift */
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  isolation: isolate;
}
.portrait__img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: 50% 22%;
  opacity: 0;
  transition: opacity var(--t-slow) var(--ease);
}
.portrait__img.is-loaded { opacity: 1; }

.portrait__fallback {
  position: absolute; inset: 0; z-index: -1;
  display: grid; place-items: center;
  background:
    linear-gradient(160deg, var(--surface-hi), var(--surface));
  font-family: var(--font-mono); font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 600; color: var(--border-strong); letter-spacing: 0.06em;
}
.portrait__caption {
  display: flex; align-items: center; gap: 0.5rem;
  margin-top: calc(var(--sp-3) + 18px); color: var(--text-faint);
  font-family: var(--font-sans); letter-spacing: 0.01em; font-size: var(--fs-sm);
}
.portrait__caption::before {
  content: ""; width: 18px; height: 1px; background: var(--border-strong); flex: none;
}

/* On a phone the portrait leads, so it stays deliberately small: the name
   must still be visible without scrolling. */
@media (max-width: 560px) {
  .hero { padding-block: var(--sp-6) var(--sp-8); }
  .hero__portrait { max-width: 196px; gap: var(--sp-2); }
  .portrait::before { inset: 10px -9px auto 9px; }
  .portrait__caption { margin-top: var(--sp-3); }
  .portrait__caption::before { display: none; }
  .hero__meta { gap: 0.4rem 1.5rem; }
  .hero__actions .btn { flex: 1 1 auto; justify-content: center; }
}

/* --------------------------------------------------------- 06 SECTIONS */
.section { padding-block: var(--sp-9); border-bottom: 1px solid var(--border); }
.section--alt { background: var(--bg-alt); }

.section__head { max-width: 62ch; margin-bottom: clamp(2.25rem, 4vw, 3.25rem); }
.section__title { font-size: var(--fs-xl); letter-spacing: -0.025em; line-height: 1.05; }
.section__lede {
  margin-top: var(--sp-4); color: var(--text-muted);
  font-size: var(--fs-md); text-wrap: pretty;
}

/* ------------------------------------------------------------- 07 ABOUT */
.about {
  display: grid; gap: clamp(2rem, 4vw, 3.5rem);
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  align-items: start;
}
.about__body { display: grid; gap: var(--sp-5); max-width: 68ch; }
.about__body p { color: var(--text-muted); text-wrap: pretty; }
.about__body p:first-child { color: var(--text); font-size: var(--fs-md); }

.about__aside {
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface); padding: var(--sp-5);
  position: sticky; top: 96px;
}
.factlist { margin: 0; display: grid; gap: var(--sp-4); }
.factlist div {
  display: grid; gap: 0.2rem;
  padding-bottom: var(--sp-4); border-bottom: 1px solid var(--border);
}
.factlist div:last-child { padding-bottom: 0; border-bottom: 0; }
.factlist dt {
  font-family: var(--font-mono); font-size: var(--fs-2xs);
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-faint);
}
.factlist dd { margin: 0; font-size: var(--fs-sm); line-height: 1.5; }

@media (max-width: 860px) {
  .about { grid-template-columns: minmax(0, 1fr); }
  .about__aside { position: static; }
}

/* ------------------------------------------- 08 CAREER ARCHITECTURE STACK */
.stack { position: relative; display: grid; gap: 0; counter-reset: layer; }
.stack::before {
  content: ""; position: absolute; left: 15px; top: 22px; bottom: 22px;
  width: 1px; background: linear-gradient(var(--accent), var(--border) 45%, var(--border));
}

.stack__item {
  position: relative;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: var(--sp-5);
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--border);
}
.stack__item:last-child { border-bottom: 0; }

.stack__node {
  position: relative; z-index: 1;
  width: 31px; height: 31px; margin-top: 2px;
  display: grid; place-items: center;
  border: 1px solid var(--border-strong); border-radius: 50%;
  background: var(--bg);
  font-family: var(--font-mono); font-size: var(--fs-2xs); color: var(--text-faint);
  transition: border-color var(--t-base) var(--ease), color var(--t-base) var(--ease),
              background-color var(--t-base) var(--ease);
}
.section--alt .stack__node { background: var(--bg-alt); }
.stack__item[data-status="current"] .stack__node,
.stack__item[data-status="in-progress"] .stack__node {
  border-color: var(--accent); color: var(--accent); background: var(--accent-dim);
}

.stack__body { display: grid; gap: var(--sp-3); min-width: 0; }
.stack__top {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 0.85rem;
}
.stack__layer { font-size: var(--fs-lg); letter-spacing: -0.018em; }
.stack__desc { color: var(--text-muted); max-width: 64ch; text-wrap: pretty; }
.stack__foot {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1.25rem;
  padding-top: var(--sp-1);
}
.stack__evidence {
  display: inline-flex; align-items: center; gap: 0.45em;
  font-family: var(--font-mono); font-size: var(--fs-2xs);
  color: var(--text-faint); letter-spacing: 0.03em;
}
.stack__evidence svg { width: 13px; height: 13px; flex: none; }

.stack__item:hover .stack__layer { color: var(--accent); }
.stack__layer { transition: color var(--t-fast) var(--ease); }

@media (max-width: 560px) {
  .stack::before { left: 12px; }
  .stack__item { grid-template-columns: 25px minmax(0, 1fr); gap: var(--sp-4); }
  .stack__node { width: 25px; height: 25px; font-size: 9px; }
}

/* ------------------------------------------------------------ 09 SKILLS */
.skills__controls {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: var(--sp-4); margin-bottom: var(--sp-6);
}
.field--search { position: relative; flex: 1 1 260px; max-width: 380px; }
/* Specificity is deliberately raised: the generic `.field input` rule in the
   form section appears later in this file and would otherwise win. */
.field.field--search input[type="search"] {
  width: 100%; padding: 0.7rem 0.9rem 0.7rem 2.35rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); font-size: var(--fs-sm);
  -webkit-appearance: none; appearance: none;
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.field.field--search input[type="search"]:hover { border-color: var(--border-strong); }
.field.field--search input[type="search"]:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-dim); }
.field.field--search input[type="search"]::placeholder { color: var(--text-faint); }
.field.field--search input[type="search"]::-webkit-search-cancel-button { -webkit-appearance: none; appearance: none; }
.field__icon {
  position: absolute; left: 0.8rem; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; color: var(--text-faint); pointer-events: none;
}
.skills__count { color: var(--text-faint); margin: 0; }

.skills { display: grid; border-top: 1px solid var(--border-strong); }
.skillgroup {
  display: grid; grid-template-columns: minmax(180px, 0.32fr) minmax(0, 1fr);
  gap: var(--sp-4) var(--sp-6); align-items: start;
  padding: var(--sp-5) 0; border-bottom: 1px solid var(--border);
}
.skillgroup[hidden] { display: none; }
.skillgroup__head { display: flex; flex-direction: column; align-items: flex-start; gap: 0.55rem; }
@media (max-width: 720px) { .skillgroup { grid-template-columns: minmax(0, 1fr); } .skillgroup__head { flex-direction: row; align-items: center; justify-content: space-between; } }
.skillgroup__title { font-size: var(--fs-md); letter-spacing: -0.015em; font-weight: 600; }
.skillgroup__items { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.skill {
  display: inline-flex; align-items: center; gap: 0.45em;
  padding: 0.3em 0.62em;
  border: 1px solid var(--border); border-radius: 2px;
  background: var(--bg); font-size: var(--fs-sm); color: var(--text-muted);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.skill[hidden] { display: none; }
.skill:hover { border-color: var(--border-strong); color: var(--text); }
.skill::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%; flex: none;
  background: var(--sk-dot, var(--border-strong));
}
.skill[data-status="current"]     { --sk-dot: var(--accent); color: var(--text); }
.skill[data-status="in-progress"] { --sk-dot: var(--amber); }
.skill[data-status="planned"],
.skill[data-status="target"]      { --sk-dot: transparent; }
.skill[data-status="planned"]::before,
.skill[data-status="target"]::before { border: 1px solid var(--border-strong); }
.skill mark { background: var(--accent-dim); color: var(--accent-hi); border-radius: 2px; }

.legend-item { display: inline-flex; align-items: center; gap: 0.45em; white-space: nowrap; }
.legend-item::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--lg-dot, var(--border-strong));
}
.legend-item[data-status="current"]     { --lg-dot: var(--accent); }
.legend-item[data-status="in-progress"] { --lg-dot: var(--amber); }
.legend-item[data-status="planned"]     { --lg-dot: var(--text-faint); }
.legend-item[data-status="target"]      { --lg-dot: transparent; }
.legend-item[data-status="target"]::before { border: 1px solid var(--text-faint); }

/* ---------------------------------------------------------- 10 PROJECTS */
.projects { display: grid; gap: var(--sp-4); }

.project {
  position: relative;
  display: grid; grid-template-columns: auto minmax(0, 1fr);
  gap: var(--sp-5);
  padding: clamp(1.25rem, 3vw, 1.85rem);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface);
  transition: border-color var(--t-base) var(--ease),
              box-shadow var(--t-base) var(--ease),
              transform var(--t-base) var(--ease);
}
.project:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.project:focus-within { border-color: var(--accent); }

.project__number {
  font-family: var(--font-mono); font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500; color: var(--border-strong); line-height: 1;
  letter-spacing: -0.02em;
  transition: color var(--t-base) var(--ease);
}
.project:hover .project__number { color: var(--accent); }

.project__body { display: grid; gap: var(--sp-3); min-width: 0; }
.project__top {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.55rem 0.9rem;
}
.project__title { font-size: var(--fs-lg); letter-spacing: -0.02em; }
.project__title a { display: inline-block; }
.project__title a::after { content: ""; position: absolute; inset: 0; }
.project__title a:hover { color: var(--accent); }
.project__title a:focus-visible { outline: none; }
.project:has(a:focus-visible) { outline: 2px solid var(--accent-hi); outline-offset: 3px; }
.project__period { font-family: var(--font-mono); font-size: var(--fs-2xs); color: var(--text-faint); letter-spacing: 0.06em; }
.project__summary { color: var(--text-muted); max-width: 72ch; text-wrap: pretty; }

.project__foot {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: var(--sp-3); padding-top: var(--sp-2);
}
.project__links { display: flex; flex-wrap: wrap; gap: 0.35rem 1rem; position: relative; z-index: 1; }
.project__link {
  display: inline-flex; align-items: center; gap: 0.35em;
  font-family: var(--font-mono); font-size: var(--fs-2xs); letter-spacing: 0.05em;
  color: var(--text-muted); text-transform: uppercase;
  border-bottom: 1px solid transparent; padding-bottom: 1px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.project__link:hover { color: var(--accent); border-bottom-color: var(--accent); }
.project__link[data-empty="true"] { color: var(--text-faint); opacity: 0.65; cursor: default; }
.project__link[data-empty="true"]::after { content: " - soon"; }
.project__link[data-empty="true"]:hover { color: var(--text-faint); border-bottom-color: transparent; }

.project__open {
  display: inline-flex; align-items: center; gap: 0.4em;
  font-size: var(--fs-sm); color: var(--accent); font-weight: 550;
  position: relative; z-index: 1;
}
.project__open svg { width: 14px; height: 14px; transition: transform var(--t-base) var(--ease); }
.project:hover .project__open svg { transform: translateX(3px); }

@media (max-width: 560px) {
  .project { grid-template-columns: minmax(0, 1fr); gap: var(--sp-3); }
  .project__number { font-size: 1.15rem; }
}

/* Case-study dialog --------------------------------------------------------- */
.modal {
  width: min(880px, calc(100vw - 2rem));
  max-height: min(88vh, 1000px);
  padding: 0; border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--bg); color: var(--text);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.modal::backdrop {
  background: rgba(4, 12, 16, 0.72);
  -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
}
.modal__inner { position: relative; display: flex; max-height: inherit; }
.modal__content {
  overflow-y: auto; overscroll-behavior: contain;
  padding: clamp(1.5rem, 4vw, 2.75rem);
  max-height: min(88vh, 1000px);
  width: 100%;
}
.modal__content:focus { outline: none; }
.modal__close {
  position: absolute; top: 0.7rem; right: 0.7rem; z-index: 2;
  display: grid; place-items: center; width: 34px; height: 34px;
  background: var(--surface); color: var(--text-muted);
  border: 1px solid var(--border); border-radius: var(--radius); cursor: pointer;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.modal__close:hover { color: var(--text); border-color: var(--border-strong); }
.modal__close svg { width: 16px; height: 16px; }

.cs__head { display: grid; gap: var(--sp-3); padding-right: 2.5rem; margin-bottom: var(--sp-5); }
.cs__eyebrow { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 0.9rem; }
.cs__number { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--accent); letter-spacing: 0.12em; }
.cs__title { font-size: clamp(1.35rem, 3vw, 1.85rem); letter-spacing: -0.026em; }
.cs__summary { color: var(--text-muted); font-size: var(--fs-md); max-width: 68ch; }

.cs__flow {
  display: flex; flex-wrap: wrap; gap: 0.3rem 0.15rem; align-items: center;
  padding: var(--sp-3) 0; margin-bottom: var(--sp-5);
  border-block: 1px solid var(--border);
}
.cs__flow span { font-family: var(--font-mono); font-size: var(--fs-2xs); color: var(--text-faint); letter-spacing: 0.04em; }
.cs__flow span.is-on { color: var(--accent); }
.cs__flow i { color: var(--border-strong); font-style: normal; padding-inline: 0.3rem; }

.cs__section { padding-block: var(--sp-5); border-bottom: 1px solid var(--border); }
.cs__section:last-child { border-bottom: 0; padding-bottom: 0; }
.cs__label {
  font-family: var(--font-mono); font-size: var(--fs-2xs);
  text-transform: uppercase; letter-spacing: 0.13em; color: var(--accent);
  margin-bottom: var(--sp-3);
}
.cs__text { color: var(--text-muted); max-width: 72ch; text-wrap: pretty; }
.cs__list { display: grid; gap: var(--sp-3); max-width: 72ch; }
.cs__list li {
  position: relative; padding-left: 1.4rem; color: var(--text-muted); line-height: 1.6;
}
.cs__list li::before {
  content: ""; position: absolute; left: 0; top: 0.68em;
  width: 7px; height: 1px; background: var(--accent);
}
.cs__list--ordered { counter-reset: step; }
.cs__list--ordered li { padding-left: 2.1rem; }
.cs__list--ordered li::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  width: auto; height: auto; top: 0; background: none;
  font-family: var(--font-mono); font-size: var(--fs-2xs); color: var(--text-faint);
  line-height: 1.85;
}
.cs__artifact {
  display: inline-flex; align-items: center; gap: 0.5em; margin-top: var(--sp-3);
  padding: 0.4em 0.7em; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); font-family: var(--font-mono); font-size: var(--fs-xs);
  color: var(--text); word-break: break-all;
}
.cs__artifact svg { width: 13px; height: 13px; color: var(--accent); flex: none; }
.cs__pending {
  display: flex; align-items: center; gap: 0.55em;
  font-size: var(--fs-sm); color: var(--text-faint); font-style: italic;
}
.cs__pending::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  border: 1px solid var(--text-faint); flex: none;
}
.cs__links { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: var(--sp-5); }

/* --------------------------------------------------------- 11 TIMELINE */
.timeline { position: relative; display: grid; gap: 0; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 12px; bottom: 12px; width: 1px;
  background: linear-gradient(var(--accent) 0%, var(--border) 28%, var(--border) 100%);
}
.tl__item {
  position: relative;
  display: grid; grid-template-columns: 15px minmax(0, 1fr);
  gap: var(--sp-5); padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--border);
}
.tl__item:last-child { border-bottom: 0; }
.tl__dot {
  position: relative; z-index: 1; margin-top: 8px;
  width: 15px; height: 15px; border-radius: 50%;
  border: 1px solid var(--border-strong); background: var(--bg);
}
.tl__item[data-status="current"] .tl__dot {
  border-color: var(--accent); background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-dim);
}
.tl__body { display: grid; gap: var(--sp-3); min-width: 0; }
.tl__top { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem 0.9rem; }
.tl__period {
  font-family: var(--font-mono); font-size: var(--fs-sm);
  color: var(--accent); letter-spacing: 0.06em; font-weight: 500;
}
.tl__title { font-size: var(--fs-lg); letter-spacing: -0.018em; }
.tl__desc { color: var(--text-muted); max-width: 66ch; text-wrap: pretty; }

/* --------------------------------------------------- 12 CERTIFICATIONS */
.certs { display: grid; gap: var(--sp-6); }
.certtier { display: grid; gap: var(--sp-3); }
.certtier__head {
  display: flex; align-items: center; gap: var(--sp-4);
  font-family: var(--font-mono); font-size: var(--fs-2xs);
  text-transform: uppercase; letter-spacing: 0.13em; color: var(--text-faint);
}
.certtier__head::after { content: ""; flex: 1; height: 1px; background: var(--border); }

.cert {
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--sp-3) var(--sp-5); align-items: center;
  padding: var(--sp-4) var(--sp-5);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface);
  transition: border-color var(--t-fast) var(--ease);
}
.cert:hover { border-color: var(--border-strong); }
.cert__main { display: grid; gap: 0.3rem; min-width: 0; }
.cert__name { font-size: var(--fs-base); font-weight: 550; letter-spacing: -0.01em; }
.cert__meta {
  display: flex; flex-wrap: wrap; gap: 0.3rem 0.9rem;
  font-family: var(--font-mono); font-size: var(--fs-2xs); color: var(--text-faint);
  letter-spacing: 0.04em;
}
.cert__meta a { color: var(--text-muted); border-bottom: 1px solid var(--border-strong); }
.cert__meta a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.cert__side { display: flex; align-items: center; gap: var(--sp-3); }

@media (max-width: 620px) {
  .cert { grid-template-columns: minmax(0, 1fr); }
  .cert__side { justify-content: flex-start; }
}

/* ------------------------------------------- 13 EDUCATION & EXPERIENCE */
.edu {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface);
}
.edu__main { display: grid; gap: var(--sp-3); align-content: start; }
.edu__degree { font-size: var(--fs-lg); letter-spacing: -0.02em; }
.edu__inst { color: var(--text); font-size: var(--fs-base); }
.edu__award { color: var(--text-muted); font-size: var(--fs-sm); }
.edu__row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1rem; margin-top: var(--sp-2); }
.edu__period { font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--accent); letter-spacing: 0.05em; }
.edu__note { color: var(--text-faint); font-size: var(--fs-sm); margin-top: var(--sp-2); }
.edu__areas { display: grid; gap: var(--sp-3); align-content: start; }
.edu__areas-label {
  font-family: var(--font-mono); font-size: var(--fs-2xs);
  text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-faint);
}
.edu__list { display: grid; gap: 0; }
.edu__list li {
  display: flex; align-items: baseline; gap: 0.7rem;
  padding: 0.5rem 0; border-bottom: 1px solid var(--border);
  font-size: var(--fs-sm); color: var(--text-muted);
}
.edu__list li:last-child { border-bottom: 0; }
.edu__list li::before {
  content: ""; width: 4px; height: 4px; border-radius: 50%;
  background: var(--border-strong); flex: none; transform: translateY(-2px);
}

@media (max-width: 800px) { .edu { grid-template-columns: minmax(0, 1fr); } }

.xp-fallback {
  display: grid; gap: var(--sp-4);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface);
}
.xp-fallback__head { font-size: var(--fs-lg); letter-spacing: -0.018em; }
.xp-fallback__intro { color: var(--text-muted); max-width: 70ch; }
.xp-fallback__list { display: grid; gap: var(--sp-3); max-width: 70ch; }
.xp-fallback__list li { position: relative; padding-left: 1.4rem; color: var(--text-muted); }
.xp-fallback__list li::before {
  content: ""; position: absolute; left: 0; top: 0.72em;
  width: 7px; height: 1px; background: var(--accent);
}
.xp-fallback__outro {
  padding-top: var(--sp-4); border-top: 1px solid var(--border);
  color: var(--text-faint); font-size: var(--fs-sm);
}

.xp { display: grid; gap: var(--sp-4); }
.xp__item {
  display: grid; gap: var(--sp-3);
  padding: clamp(1.25rem, 3vw, 1.85rem);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface);
}
.xp__top { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.9rem; }
.xp__role { font-size: var(--fs-lg); letter-spacing: -0.018em; }
.xp__company { color: var(--accent); font-size: var(--fs-base); }
.xp__meta { font-family: var(--font-mono); font-size: var(--fs-2xs); color: var(--text-faint); letter-spacing: 0.05em; }
.xp__summary { color: var(--text-muted); max-width: 72ch; }
.xp__list { display: grid; gap: var(--sp-2); max-width: 72ch; }
.xp__list li { position: relative; padding-left: 1.4rem; color: var(--text-muted); }
.xp__list li::before {
  content: ""; position: absolute; left: 0; top: 0.72em;
  width: 7px; height: 1px; background: var(--accent);
}

/* ------------------------------------------------------ 14 CONTACT/FORM */
.contact {
  display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 5vw, 4rem); align-items: start;
}
.contact__lede { font-size: var(--fs-md); color: var(--text-muted); max-width: 40ch; text-wrap: pretty; }
.contact__note {
  margin-top: var(--sp-4); font-size: var(--fs-sm); color: var(--text-faint);
  max-width: 42ch;
}
.contact__channels {
  display: grid; gap: 0; margin-top: var(--sp-6);
  border-top: 1px solid var(--border);
}
.contact__channels li { border-bottom: 1px solid var(--border); }
.contact__channels a,
.contact__channels span {
  display: flex; align-items: center; gap: 0.85rem;
  padding: 0.9rem 0.2rem; font-size: var(--fs-sm); color: var(--text-muted);
  transition: color var(--t-fast) var(--ease), padding-left var(--t-base) var(--ease);
}
.contact__channels a:hover { color: var(--accent); padding-left: 0.5rem; }
.contact__channels svg { width: 17px; height: 17px; flex: none; color: var(--text-faint); }
.contact__channels a:hover svg { color: var(--accent); }
.contact__channels .ch__label { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.contact__channels .ch__hint {
  font-family: var(--font-mono); font-size: var(--fs-2xs);
  color: var(--text-faint); letter-spacing: 0.05em; flex: none;
}

.contact__form-wrap {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface);
}
.form { display: grid; gap: var(--sp-4); }
.field { display: grid; gap: 0.4rem; }
.field label {
  font-family: var(--font-mono); font-size: var(--fs-2xs);
  text-transform: uppercase; letter-spacing: 0.11em; color: var(--text-faint);
}
.field input, .field textarea {
  width: 100%; padding: 0.7rem 0.85rem;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
  font-size: var(--fs-sm); line-height: 1.55;
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:hover, .field textarea:hover { border-color: var(--border-strong); }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim);
}
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: var(--danger); }
.field__error { font-size: var(--fs-sm); color: var(--danger); margin: 0; }

.honeypot {
  position: absolute; left: -9999px; width: 1px; height: 1px;
  overflow: hidden; opacity: 0;
}

.form__foot {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem;
  margin-top: var(--sp-2);
}
.btn__spinner { display: none; width: 14px; height: 14px; }
.btn.is-loading { cursor: progress; }
.btn.is-loading .btn__spinner {
  display: block;
  border: 1.5px solid currentColor; border-top-color: transparent;
  border-radius: 50%; animation: spin 700ms linear infinite;
}
.btn[disabled] { opacity: 0.62; pointer-events: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.form__status {
  margin: 0; padding: 0.8rem 1rem;
  border: 1px solid var(--border); border-radius: var(--radius);
  font-size: var(--fs-sm); line-height: 1.6;
}
.form__status[data-tone="success"] { border-color: color-mix(in srgb, var(--sage) 45%, transparent);  color: var(--sage); background: color-mix(in srgb, var(--sage) 8%, transparent); }
.form__status[data-tone="error"]   { border-color: color-mix(in srgb, var(--danger) 45%, transparent);  color: var(--danger); background: color-mix(in srgb, var(--danger) 8%, transparent); }
.form__status[data-tone="info"]    { border-color: color-mix(in srgb, var(--accent) 40%, transparent);  color: var(--text-muted); background: var(--accent-dim); }
.form__status a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 860px) { .contact { grid-template-columns: minmax(0, 1fr); } }

/* ------------------------------------------------------------ 15 FOOTER */
.site-footer { padding-block: var(--sp-7); background: var(--bg); }
.footer__shell {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: var(--sp-5);
}
.footer__name { font-size: var(--fs-base); font-weight: 600; letter-spacing: -0.012em; }
.footer__role { color: var(--text-faint); margin-top: 0.25rem; }
.footer__links { display: flex; flex-wrap: wrap; gap: 0.4rem 1.25rem; }
.footer__links a, .footer__links span {
  display: inline-flex; align-items: center; gap: 0.45em;
  font-size: var(--fs-sm); color: var(--text-muted);
  transition: color var(--t-fast) var(--ease);
}
.footer__links a:hover { color: var(--accent); }
.footer__links span { color: var(--text-faint); }
.footer__links svg { width: 15px; height: 15px; }
.footer__copy { color: var(--text-faint); flex-basis: 100%; padding-top: var(--sp-4); border-top: 1px solid var(--border); margin: 0; }

/* ------------------------------------------- 16 MOTION / REDUCED / PRINT */
/* One authored moment: the hero settles in, staggered. Everything else is static. */
@keyframes rise { from { opacity: 0; transform: translateY(14px); filter: blur(4px); } to { opacity: 1; transform: none; filter: none; } }
.hero__body > *, .hero__portrait { animation: rise 700ms var(--ease) both; }
.hero__body > :nth-child(2) { animation-delay: 60ms; }
.hero__body > :nth-child(3) { animation-delay: 120ms; }
.hero__body > :nth-child(4) { animation-delay: 170ms; }
.hero__body > :nth-child(5) { animation-delay: 220ms; }
.hero__body > :nth-child(6) { animation-delay: 270ms; }
.hero__portrait { animation-delay: 140ms; }

@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;
  }
  .btn:hover, .project:hover { transform: none; }
}

@media print {
  .site-header, .nav-progress, .contact__form-wrap,
  .skills__controls, .skip-link, .modal { display: none !important; }
  body { background: #fff; color: #000; }
  .section { border-bottom: 1px solid #ccc; padding-block: 1.5rem; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.75em; color: #555; }
}

.hero__status { margin-top: var(--sp-2); font-size: var(--fs-sm); color: var(--text-faint); }
.hero__disciplines { font-family: var(--font-sans); letter-spacing: 0.01em; font-size: var(--fs-base); }
.hero__disciplines { color: var(--accent); }

.legend-note, .skills__count { font-family: var(--font-sans); letter-spacing: 0.01em; font-size: var(--fs-sm); }

/* ---------------------------------------------------------------- MOTION PASS
   Dialog: materialise on open (opacity + rise + blur), leave more quietly.
   Uses @starting-style + discrete transitions so the native <dialog> needs no JS.
   Browsers without support simply show/hide instantly. */
.modal, .modal::backdrop { transition: opacity 320ms var(--ease), transform 320ms var(--ease), filter 320ms var(--ease), overlay 320ms allow-discrete, display 320ms allow-discrete; }
.modal { opacity: 0; transform: translateY(-8px) scale(0.985); filter: blur(4px); }
.modal[open] { opacity: 1; transform: none; filter: none; }
.modal::backdrop { opacity: 0; }
.modal[open]::backdrop { opacity: 1; }
@starting-style {
  .modal[open] { opacity: 0; transform: translateY(12px) scale(0.985); filter: blur(4px); }
  .modal[open]::backdrop { opacity: 0; }
}
.modal:not([open]) { transition-duration: 200ms; }  /* exit: shorter, subtler than enter */

/* Press feedback: small, fast, only where a click is expected */
.btn:active, .icon-btn:active { transform: scale(0.97); transition-duration: 90ms; }

/* Theme change: one soft cross-fade of the whole page (rare interaction) */
::view-transition-old(root), ::view-transition-new(root) { animation-duration: 260ms; animation-timing-function: var(--ease); }

@media (prefers-reduced-motion: reduce) {
  .modal, .modal::backdrop { transition: none; filter: none; transform: none; }
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; }
  .btn:active, .icon-btn:active { transform: none; }
}

/* ------------------------------------------------------------ TASTE PASS */
/* Hero: name, role, one-line tagline, actions. Nothing else competes. */
.hero__actions { align-items: center; gap: 0.6rem; }
.hero__links { display: inline-flex; gap: 0.25rem; margin-left: 0.4rem; padding-left: 0.85rem; border-left: 1px solid var(--border); }
.hero__link { display: grid; place-items: center; width: 40px; height: 40px; border-radius: var(--radius); color: var(--text-muted); border: 1px solid transparent; transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease); }
.hero__link svg { width: 18px; height: 18px; }
a.hero__link:hover { color: var(--accent); border-color: var(--border-strong); }
.hero__link.is-empty { color: var(--text-faint); opacity: 0.55; cursor: not-allowed; }
.hero__headline { margin-top: var(--sp-3); }
.hero__tagline { margin-top: var(--sp-4); }
.hero__actions { margin-top: var(--sp-5); }

/* Timeline: five phases read as one horizontal sequence on wide screens */
@media (min-width: 1040px) {
  .timeline { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--sp-5); }
  .timeline::before { display: none; }
  .tl__item { grid-template-columns: minmax(0, 1fr); gap: var(--sp-3); padding: var(--sp-4) 0 0; border-bottom: 0; border-top: 1px solid var(--border-strong); align-content: start; }
  .tl__item[data-status="current"] { border-top-color: var(--accent); }
  .tl__dot { display: none; }
  .tl__top { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
  .tl__title { font-size: var(--fs-md); }
  .tl__desc { font-size: var(--fs-sm); }
  .tl__item .chips { gap: 0.3rem; }
}

/* Certifications: two-column grid instead of eight stacked rows */
.certs { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-5) var(--sp-5); align-items: start; }
.certtier:nth-child(odd):last-child { grid-column: 1 / -1; }
@media (max-width: 860px) { .certs { grid-template-columns: minmax(0, 1fr); } }

/* ===================================================== MINIMALIST WORLD
   Warm monochrome, hairline structure, pastel status only where it carries meaning. */
h1, h2 { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.03em; line-height: 1.08; }
:root { --font-display: "Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, serif; }
.hero__name { font-weight: 450; letter-spacing: -0.035em; line-height: 1.04; }
.section__title { font-weight: 480; letter-spacing: -0.03em; }
.section__head { max-width: 56rem; }
.section__lede { color: var(--text-muted); }
body { line-height: 1.6; }

/* Structure: one hairline, no shadows */
.skillgroup, .project, .cert, .edu, .xp-fallback, .xp__item, .contact__form-wrap, .about__aside, .notice { box-shadow: none; }
.skillgroup { transition: border-color var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease); }
.project:hover, .skillgroup:hover { box-shadow: var(--shadow-md); transform: none; }
.project:hover { transform: translateY(-1px); }
.portrait__frame { box-shadow: var(--shadow-lg); }
.portrait::before { border-color: var(--border); }

/* Primary button: solid ink, no shadow */
.btn--primary { --btn-bg: var(--text); --btn-fg: var(--on-accent); --btn-bd: var(--text); border-radius: 5px; }
.btn--primary:hover { --btn-bg: color-mix(in srgb, var(--text) 82%, var(--bg)); --btn-bd: transparent; transform: none; }
[data-theme="light"] .btn--primary { --btn-fg: #ffffff; }
.btn:active { transform: scale(0.98); }
.btn--ghost:hover { --btn-bd: var(--text); color: var(--text); }
.nav__link::after { background: var(--text); }
.brand__mark { color: var(--text); }
.brand:hover .brand__mark { border-color: var(--text); }
a.hero__link:hover, .link-btn:hover, .cert__meta a:hover, .project__link:hover { color: var(--text); border-color: var(--text); text-decoration-color: var(--text); }
.hero__disciplines, .project__open, .tl__period, .cs__label, .cs__number, .edu__period, .xp__company, .form__status a, .noscript-note a { color: var(--text); }
.field.field--search input[type="search"]:focus, .field input:focus, .field textarea:focus { border-color: var(--text); box-shadow: 0 0 0 3px var(--accent-dim); }
:focus-visible { outline-color: var(--text); }
.skill mark { background: var(--pastel-yellow); color: var(--amber); }
em { color: inherit; font-style: italic; }
.stack::before { background: var(--border-strong); }
.timeline::before { background: var(--border-strong); }
.tl__item[data-status="current"] .tl__dot { border-color: var(--text); background: var(--text); box-shadow: 0 0 0 4px var(--accent-dim); }
.stack__item[data-status="current"] .stack__node, .stack__item[data-status="in-progress"] .stack__node { border-color: var(--text); color: var(--text); background: var(--accent-dim); }
.stack__item:hover .stack__layer { color: var(--text); }
.tl__item[data-status="current"] { border-top-color: var(--text); }
.nav-progress { background: var(--text); opacity: 0.6; }
.eyebrow::before { background: var(--text); box-shadow: none; }

/* Status: small uppercase pills in muted pastels (semantic colour only) */
.status { border: 0; border-radius: 9999px; padding: 0.28em 0.75em; font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; background: var(--pastel-gray); color: var(--text-faint); }
.status[data-status="current"], .status[data-status="completed"], .status[data-status="earned"], .status[data-status="experience"] { background: var(--pastel-green); color: var(--sage); }
.status[data-status="in-progress"] { background: var(--pastel-yellow); color: var(--amber); }
.status[data-status="planned"] { background: var(--pastel-blue); color: var(--blue); }
.status[data-status="target"] { background: var(--pastel-gray); color: var(--text-muted); }
.skill[data-status="current"] { --sk-dot: var(--sage); }
.skill[data-status="in-progress"] { --sk-dot: var(--amber); }
.skill[data-status="planned"]::before { border-color: var(--blue); }
.legend-item[data-status="current"] { --lg-dot: var(--sage); }
.legend-item[data-status="in-progress"] { --lg-dot: var(--amber); }
.legend-item[data-status="planned"] { --lg-dot: var(--blue); }
.form__status[data-tone="info"] { border-color: var(--border-strong); background: var(--pastel-gray); }
.chip { background: transparent; border-color: var(--border); }
.hero__status { display: none; }

/* Depth without decoration: one soft warm light spot behind the hero */
.hero { background: radial-gradient(60rem 34rem at 78% -6%, var(--glow), transparent 70%); }

/* Scroll entry: quiet fade + 12px rise, staggered within groups (IntersectionObserver).
   Deliberately an ANIMATION, not a transition: a transition here would replace each
   element's own hover transition (border, shadow, lift) and make hovers snap.
   `backwards` fill means that once it finishes, normal styles own the element again. */
.reveal { opacity: 0; }
.reveal.is-visible {
  opacity: 1;
  animation: reveal 450ms var(--ease) backwards;
  animation-delay: calc(var(--index, 0) * 55ms);
}
@keyframes reveal { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.is-visible { opacity: 1; animation: none; }
}

/* Timeline columns are narrow: let chips wrap instead of overflowing into the next phase */
.tl__item .chip { white-space: normal; overflow-wrap: anywhere; }
.tl__body, .tl__item { min-width: 0; }

/* Labelled icon link (CV): icon plus short text so the download is discoverable */
.hero__link:has(span) { width: auto; padding-inline: 0.7rem; gap: 0.45rem; grid-auto-flow: column; font-size: var(--fs-sm); font-weight: 550; }

/* Decorative-but-read text needs 3:1 too: the big project numerals and the
   monogram shown when the portrait fails to load were below that. */
.project__number { color: var(--text-faint); }
.portrait__fallback { color: var(--text-faint); }

/* Header logo. Set profile.logo in js/data.js; nothing in the UI can change it. */
.brand__logo { width: 100%; height: 100%; object-fit: contain; display: block; }
.brand__mark:has(.brand__logo) { padding: 3px; }