/*
 * site.css — theme tokens + shell styling for the portfolio.
 * Built on Bootstrap 5.3. We only override Bootstrap's CSS variables per theme
 * (using its native [data-bs-theme] hook) and add a few custom tokens/classes.
 * "Plain language leads, code decorates": the mono/eyebrow bits are garnish.
 */

/* ---- Design tokens shared across themes ------------------------------------ */
:root {
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, "Cascadia Code",
    Consolas, monospace;

  /* Brand accents drawn from the owner's tools */
  --php-periwinkle: #777bb3; /* structure / links */
  --cta-vermilion: #d9503c; /* primary call-to-action (used sparingly) */

  --reading-measure: 65ch; /* max width of running text */
}

/* ---- Light theme: warm off-white ------------------------------------------- */
[data-bs-theme="light"] {
  --bs-body-bg: #faf8f4;
  --bs-body-color: #23232b;
  --bs-secondary-color: #5f5f70;
  --bs-border-color: #e7e2d8;
  --bs-tertiary-bg: #f2efe8;

  --surface: #ffffff;
  --eyebrow-color: #6b6b7d;
  --bs-link-color: #565aa0; /* periwinkle darkened for AA contrast on light */
  --bs-link-hover-color: #43467e;
}

/* ---- Dark theme: indigo-tinted ground (nod to PHP periwinkle) --------------- */
[data-bs-theme="dark"] {
  --bs-body-bg: #14141d;
  --bs-body-color: #e6e6ef;
  --bs-secondary-color: #9a9ab0;
  --bs-border-color: #2a2a3a;
  --bs-tertiary-bg: #1c1c28;

  --surface: #1c1c28;
  --eyebrow-color: #9a9ab0;
  --bs-link-color: #a6aaef; /* periwinkle lightened for AA contrast on dark */
  --bs-link-hover-color: #c2c5f5;
}

/* ---- Base ------------------------------------------------------------------ */
body {
  font-family: var(--font-sans);
  min-height: 100vh;
}

/* Skip link for keyboard users; hidden until focused */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 1080;
  padding: 0.5rem 1rem;
  background: var(--surface);
  border: 1px solid var(--bs-border-color);
}
.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* ---- Navbar ---------------------------------------------------------------- */
.site-nav {
  background: color-mix(in srgb, var(--bs-body-bg) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--bs-border-color);
}
.site-nav .navbar-brand {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Language switch (EN | BG) */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.lang-switch__link {
  padding: 0.2rem 0.4rem;
  border-radius: 0.35rem;
  color: var(--bs-secondary-color);
  text-decoration: none;
}
.lang-switch__link:hover {
  color: var(--php-periwinkle);
}
.lang-switch__link.is-current {
  color: #fff;
  background: color-mix(in srgb, var(--php-periwinkle) 85%, #000);
}

/* Theme toggle button */
.theme-toggle {
  border: 1px solid var(--bs-border-color);
  background: transparent;
  color: var(--bs-body-color);
  border-radius: 0.5rem;
  padding: 0.35rem 0.6rem;
  line-height: 1;
}
.theme-toggle:hover {
  border-color: var(--php-periwinkle);
}

/* ---- Sections + headers ---------------------------------------------------- */
.section {
  padding-block: clamp(3rem, 8vw, 6rem);
  scroll-margin-top: 5rem; /* so anchor links clear the sticky nav */
}
.section + .section {
  border-top: 1px solid var(--bs-border-color);
}

/* Mono "API-docs" eyebrow above each human title — decoration, never the title */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--eyebrow-color);
  margin-bottom: 0.5rem;
}
.section-title {
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

/* Keep running text comfortable to read */
.measure {
  max-width: var(--reading-measure);
}

/* ---- CTA button: the one vermilion accent --------------------------------- */
.btn-cta {
  background: var(--cta-vermilion);
  border-color: var(--cta-vermilion);
  color: #fff;
}
.btn-cta:hover,
.btn-cta:focus-visible {
  background: color-mix(in srgb, var(--cta-vermilion) 88%, #000);
  border-color: color-mix(in srgb, var(--cta-vermilion) 88%, #000);
  color: #fff;
}

/* ---- Hero ------------------------------------------------------------------ */
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* Mock HTTP-exchange card — the decorative hero visual */
.http-card {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  background: var(--surface);
  border: 1px solid var(--bs-border-color);
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 14px 44px -22px rgba(0, 0, 0, 0.5);
}
.http-card__bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.85rem;
  background: var(--bs-tertiary-bg);
  border-bottom: 1px solid var(--bs-border-color);
}
.http-card__bar .dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--bs-border-color);
}
.http-card__title {
  margin-left: 0.5rem;
  font-size: 0.8rem;
  color: var(--bs-secondary-color);
}
.http-card__req {
  padding: 0.9rem 0.95rem 0.5rem;
}
.http-card__res {
  padding: 0 0.95rem 0.4rem;
}
.http-card__json {
  margin: 0;
  padding: 0.2rem 0.95rem 1rem;
  color: var(--bs-body-color);
  white-space: pre;
  overflow-x: auto;
}
.http-card .muted {
  color: var(--bs-secondary-color);
}
.http-card .path {
  color: var(--bs-link-color);
}
.http-card .status-ok {
  color: #3fa66a;
  font-weight: 600;
}

/* Method chips: GET green, POST orange (real API-docs colours) */
.method-chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.4;
  padding: 0.1rem 0.4rem;
  border-radius: 0.3rem;
  vertical-align: baseline;
}
.method-chip--get {
  background: rgba(63, 166, 106, 0.16);
  color: #3fa66a;
}
.method-chip--post {
  background: rgba(217, 128, 60, 0.18);
  color: #d9803c;
}

/* ---- Stats strip ----------------------------------------------------------- */
.section--tight {
  padding-block: clamp(1.5rem, 4vw, 2.5rem);
}
.stats {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0;
  margin: 0;
}
.stats li {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}
.stats li:not(:first-child)::before {
  content: "·";
  margin: 0 1rem;
  color: var(--bs-secondary-color);
}
.stats__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.stats__label {
  color: var(--bs-secondary-color);
}

/* ---- Pills ----------------------------------------------------------------- */
.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.pill-row--lg {
  gap: 0.6rem;
}
.pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
  padding: 0.2rem 0.6rem;
  border-radius: 0.4rem;
  color: var(--bs-secondary-color);
  background: var(--bs-tertiary-bg);
  border: 1px solid var(--bs-border-color);
}
.pill-row--lg .pill {
  font-size: 0.85rem;
  padding: 0.3rem 0.75rem;
}

/* ---- Skills: interactive category filter ----------------------------------- */
/* Hint + filter bar are an enhancement — only shown when JS is available. */
.skill-hint,
.skill-filters {
  display: none;
}
html.js .skill-hint {
  display: block;
  max-width: 60ch;
  margin: 0 auto 1.5rem;
  text-align: center;
}
html.js .skill-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 2rem;
}
.skill-filter {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 0.5rem 1.1rem;
  border-radius: 0.6rem;
  color: var(--bs-body-color);
  background: var(--bs-tertiary-bg);
  border: 1px solid var(--bs-border-color);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.skill-filter:hover {
  border-color: var(--php-periwinkle);
}
.skill-filter[aria-pressed="true"] {
  background: color-mix(in srgb, var(--php-periwinkle) 85%, #000);
  border-color: color-mix(in srgb, var(--php-periwinkle) 85%, #000);
  color: #fff;
}

/* The "forest" of skill pills — centered on the page */
.skills-forest {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  max-width: 900px;
  margin: 0 auto;
}
.skill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 0.4rem 0.9rem;
  border-radius: 0.5rem;
  color: var(--bs-body-color);
  background: var(--bs-tertiary-bg);
  border: 1px solid var(--bs-border-color);
  transition: opacity 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.skill.is-active {
  background: color-mix(in srgb, var(--php-periwinkle) 18%, var(--surface));
  border-color: var(--php-periwinkle);
}
.skill.is-dimmed {
  opacity: 0.35;
}

/* XP level marker: filled / half / empty circle in the single accent */
.lvl {
  flex: 0 0 auto;
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  border: 1.5px solid var(--php-periwinkle);
}
.lvl--daily {
  background: var(--php-periwinkle);
}
.lvl--solid {
  background: linear-gradient(90deg, var(--php-periwinkle) 50%, transparent 50%);
}
.lvl--familiar {
  background: transparent;
}

/* XP legend */
.skills-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin: 2rem 0 0;
  font-size: 0.85rem;
  color: var(--bs-secondary-color);
}
.skills-legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

/* ---- Process steps --------------------------------------------------------- */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin: 0;
}
@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}
.step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.step__num {
  flex: 0 0 auto;
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--php-periwinkle);
  background: var(--bs-tertiary-bg);
  border: 1px solid var(--bs-border-color);
}
.step__title {
  font-weight: 600;
  margin: 0 0 0.2rem;
}
.step__detail {
  margin: 0;
}

/* "What you get, every time" — soft guarantees below the steps */
.ways-lead {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--bs-secondary-color);
  margin: 2.75rem 0 0.9rem;
}
.ways {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.5rem;
  margin: 0;
}
.way {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.way__check {
  color: var(--php-periwinkle);
  font-weight: 700;
}

/* ---- Service cards --------------------------------------------------------- */
.service-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--bs-border-color);
  border-radius: 0.75rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.service-card:hover {
  border-color: var(--php-periwinkle);
  transform: translateY(-2px);
}
.service-card__title {
  font-weight: 700;
  letter-spacing: -0.01em;
}
.service-card__outcome {
  flex: 1 1 auto; /* keeps pill rows aligned across cards of unequal text length */
}
.service-card .pill-row {
  margin-top: 1.25rem;
}

/* ---- Project cards --------------------------------------------------------- */
.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--surface);
  border: 1px solid var(--bs-border-color);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.project-card:hover {
  border-color: var(--php-periwinkle);
  transform: translateY(-2px);
}
.project-card__body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  padding: 1.25rem;
}
.project-card__body .text-secondary {
  flex: 1 1 auto; /* aligns pill rows across cards of unequal blurb length */
}
.project-card__title {
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.project-card__title a {
  text-decoration: none;
}
.project-card__title a:hover {
  text-decoration: underline;
}
.project-card .pill-row {
  margin-top: 1.25rem;
}

/* Drawn browser-window frame (CSS only) */
.browser__bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.75rem;
  background: var(--bs-tertiary-bg);
  border-bottom: 1px solid var(--bs-border-color);
}
.browser__bar .dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--bs-border-color);
}
.browser__url {
  margin-left: 0.5rem;
  padding: 0.1rem 0.55rem;
  flex: 1 1 auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--bs-secondary-color);
  background: var(--bs-body-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: 0.4rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Schematic wireframe placeholder — deliberately not a fake screenshot */
.project-art {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--bs-tertiary-bg);
  overflow: hidden;
}
.project-art__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top; /* show the top of the page, like a real browser window */
}
.wire {
  position: absolute;
  inset: 12% 10%;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.wire__bar {
  height: 0.9rem;
  width: 45%;
  border-radius: 0.3rem;
  background: var(--php-periwinkle);
  opacity: 0.55;
}
.wire__row {
  display: flex;
  gap: 0.5rem;
  flex: 1 1 auto;
  min-height: 0;
}
.wire__box {
  flex: 1 1 0;
  border-radius: 0.35rem;
  background: var(--bs-border-color);
  opacity: 0.7;
}
.wire__line {
  height: 0.5rem;
  border-radius: 0.25rem;
  background: var(--bs-border-color);
  opacity: 0.7;
}
.wire__line--short {
  width: 60%;
}
.project-art__name {
  position: absolute;
  right: 0.6rem;
  bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--bs-secondary-color);
  background: color-mix(in srgb, var(--bs-body-bg) 80%, transparent);
  padding: 0.1rem 0.4rem;
  border-radius: 0.3rem;
}

/* ---- Experience timeline --------------------------------------------------- */
.timeline {
  position: relative;
  margin: 0;
  padding-left: 1.75rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0.37rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: var(--bs-border-color);
}
.timeline-entry {
  position: relative;
  padding-bottom: 2rem;
}
.timeline-entry:last-child {
  padding-bottom: 0;
}
.timeline-entry::before {
  content: "";
  position: absolute;
  left: -1.7rem;
  top: 0.5rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--php-periwinkle);
  box-shadow: 0 0 0 3px var(--bs-body-bg);
}
.timeline-entry__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.75rem;
}
.timeline-entry__company {
  margin: 0;
  font-weight: 700;
}
.timeline-entry__period {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--bs-secondary-color);
}
.timeline-entry__role {
  margin: 0.15rem 0 0.5rem;
  font-size: 0.9rem;
}
.timeline-entry__summary {
  margin: 0 0 0.4rem;
}
.timeline-entry__highlight {
  margin: 0;
  padding-left: 0.75rem;
  border-left: 2px solid var(--php-periwinkle);
  font-size: 0.95rem;
}

/* Freelance throughline — a lead-in above the employed-roles timeline */
.freelance-note {
  padding: 0.1rem 0 0.1rem 1rem;
  border-left: 3px solid var(--php-periwinkle);
  margin-bottom: 2rem;
}
.freelance-note__title {
  margin: 0 0 0.2rem;
  font-weight: 700;
}
.freelance-note__period {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--bs-secondary-color);
  margin-left: 0.4rem;
}
.freelance-note__text {
  margin: 0;
}

.experience-meta {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--bs-border-color);
}
.experience-meta__item {
  margin: 0 0 0.35rem;
}
.experience-meta__item:last-child {
  margin-bottom: 0;
}
.experience-meta__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--bs-secondary-color);
  margin-right: 0.6rem;
}

/* ---- Contact --------------------------------------------------------------- */
/* Honeypot: visually and programmatically hidden, but present in the DOM so
   bots fill it. Not display:none (some bots skip those). */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.contact-success {
  padding: 1rem 1.25rem;
  border: 1px solid var(--php-periwinkle);
  border-radius: 0.6rem;
  background: color-mix(in srgb, var(--php-periwinkle) 12%, var(--surface));
}
.contact-success__code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--bs-secondary-color);
  margin-left: 0.5rem;
}

/* ---- Footer ---------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--bs-border-color);
  padding-block: 2.5rem;
  margin-top: 2rem;
}
.site-footer__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.site-footer__copy {
  margin: 0;
  color: var(--bs-secondary-color);
}
.site-footer__links {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}
.site-footer__links a {
  display: inline-flex;
  color: var(--bs-secondary-color);
  transition: color 0.15s ease;
}
.site-footer__links a:hover,
.site-footer__links a:focus-visible {
  color: var(--php-periwinkle);
}
.site-footer__built {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--bs-secondary-color);
}

/* ---- Accessibility niceties ------------------------------------------------ */
:focus-visible {
  outline: 2px solid var(--php-periwinkle);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}