/* =============================================
   TOKENS — "Philippine Flag"
   Deep navy base, three accent families drawn
   from the flag: royal blue (structure),
   golden sun (personality/voice), red (one
   bold moment — the philosophy quote border
   and nav hover). White becomes chalk text.
   Fraunces display (matches index nav),
   Cormorant Garamond for editorial quotes,
   Outfit for all body and utility text.
============================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;1,9..144,400;1,9..144,500&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400;1,500&family=Outfit:wght@300;400;500;600&display=swap');

:root {
  /* ── Surfaces ── */
  --void:         #080E1C;
  --void-2:       #0D1427;
  --surface:      #0E1830;

  /* ── Text ── */
  --chalk:        #EEF2FF;
  --chalk-dim:    #C8D0E0;
  --chalk-quiet:  #7A8BAD;
  --chalk-muted:  #3A4F7A;

  /* ── Flag: Royal Blue ── */
  --blue:         #0052D6;
  --blue-bright:  #4A7FE8;
  --blue-light:   #7AAEF5;
  --blue-soft:    rgba(0, 82, 214, 0.18);
  --blue-line:    rgba(0, 82, 214, 0.25);
  --blue-glow:    rgba(0, 56, 168, 0.28);

  /* ── Flag: Golden Sun ── */
  --gold:         #F5C518;
  --gold-soft:    rgba(245, 197, 24, 0.10);
  --gold-line:    rgba(245, 197, 24, 0.28);
  --gold-ring:    rgba(245, 197, 24, 0.45);
  --gold-glow:    rgba(206, 163, 23, 0.16);

  /* ── Flag: Red ── */
  --red:          #CE2028;
  --red-soft:     rgba(206, 32, 40, 0.15);

  /* ── Green (availability only) ── */
  --green:        #22C77A;
  --green-glow:   rgba(34, 199, 122, 0.20);

  /* ── Typography ── */
  --serif-display: 'Literata', Georgia, serif;
  --serif-voice:   'Patrick Hand', cursive;
  --sans:          'Mulish', -apple-system, BlinkMacSystemFont, sans-serif;

  /* ── Layout ── */
  --measure:      640px;
  --measure-wide: 1120px;

  /* ── Motion ── */
  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* =============================================
   RESET & BASE
============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

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

body {
  background: var(--void);
  color: var(--chalk-dim);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* =============================================
   GLITCH BACKGROUND
   Full-page, fixed, always running. Sits behind
   everything else on the page (nav, glows, content
   are all layered above it). Not paused for
   prefers-reduced-motion — kept deliberately slow
   and faint instead, same call as index.html's
   matrix-bg.
============================================= */
#matrix-bg {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  display: block;
}

a { color: var(--blue-bright); text-decoration: none; }

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--blue-bright);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: var(--blue);
  color: var(--chalk);
}

/* =============================================
   SKIP LINK
============================================= */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--blue-bright);
  color: var(--void);
  padding: 0.75rem 1.25rem;
  border-radius: 6px;
  z-index: 200;
  font-size: 0.9rem;
  font-weight: 600;
}

.skip-link:focus { left: 1rem; top: 1rem; }

/* =============================================
   AMBIENT GLOWS
   Blue top-left (near avatar, flag's blue field),
   gold bottom-right (the golden sun radiating out).
============================================= */
.glow {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(1px);
}

.glow-tl {
  top: -80px;
  left: -60px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--blue-glow), transparent 70%);
}

.glow-br {
  bottom: 0;
  right: -80px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, var(--gold-glow), transparent 70%);
}

/* =============================================
   ENTRANCE ANIMATIONS
============================================= */
.load-in {
  opacity: 0;
  transform: translateY(24px);
  animation: load-in-rise 0.85s var(--ease-out) forwards;
  animation-delay: var(--d, 0s);
}

@keyframes load-in-rise {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-spring), transform 0.7s var(--ease-spring);
}

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

/* =============================================
   NAV
============================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 3rem;
  background: rgba(8, 14, 28, 0.90);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--blue-line);
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.nav-logo img {
  height: 30px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--chalk-quiet);
  position: relative;
  padding-bottom: 2px;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  transition: color 0.2s ease;
}

/* Nav hover — red underline, the flag's boldest color */
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 10px;
  width: 0%;
  height: 2px;
  background: var(--red);
  border-radius: 2px;
  transition: width 0.25s var(--ease-out);
}

.nav-links a:hover { color: var(--chalk); }
.nav-links a:hover::after,
.nav-links a:focus-visible::after { width: 100%; }

.nav-cta {
  color: var(--blue-bright) !important;
  font-weight: 600 !important;
}

.nav-cta:hover { color: var(--gold) !important; }
.nav-cta::after { background: var(--gold) !important; }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  color: var(--chalk);
  cursor: pointer;
  border-radius: 8px;
}

.nav-toggle:hover { background: var(--blue-soft); }

.nav-links-mobile {
  display: none;
  list-style: none;
  flex-direction: column;
  background: var(--void-2);
  border-bottom: 1px solid var(--blue-line);
  position: relative;
  z-index: 100;
}

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

.nav-links-mobile li { border-top: 1px solid var(--blue-line); }
.nav-links-mobile li:first-child { border-top: none; }

.nav-links-mobile a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 1.25rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--chalk-quiet);
  transition: color 0.2s ease;
}

.nav-links-mobile a:hover { color: var(--chalk); }
.nav-links-mobile a.nav-cta { color: var(--blue-bright); font-weight: 600; }

/* =============================================
   PAGE FRAME
============================================= */
.page {
  max-width: var(--measure-wide);
  margin: 0 auto;
  padding: 0 3rem;
  position: relative;
  z-index: 1;
}

/* =============================================
   BACK LINK — red, the flag's accent colour
============================================= */
.subpage-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--red);
  margin: 2rem 0 1rem;
  transition: opacity 0.2s ease;
}

.subpage-back:hover { opacity: 0.75; }

/* =============================================
   HERO — avatar left, intro text right
============================================= */
.hero {
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 2rem;
}

.avatar-wrap {
  display: flex;
  align-items: flex-end;
  gap: 2.25rem;
}

/* ── Avatar ── */
.avatar {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: var(--surface);
  border: 4px solid var(--gold-ring);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

/* Gold sun glow behind the avatar */
.avatar::before {
  content: '';
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 197, 24, 0.14), transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* Avatar photo — bottom-anchored so head + torso are visible */
.avatar img {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 88%;
  height: auto;
  object-fit: contain;
  object-position: top center;
  z-index: 1;
}

/* Fade bottom edge to blend white bg into navy surface */
.avatar::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 32px;
  background: linear-gradient(to top, var(--surface), transparent);
  z-index: 2;
  pointer-events: none;
}

.avatar-icon {
  width: 52px;
  height: 52px;
  color: var(--gold);
  position: relative;
  z-index: 1;
  margin-bottom: 6px;
}

.avatar-label {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--chalk-muted);
  position: relative;
  z-index: 1;
}

/* ── Hero text ── */
.hero-text { flex: 1; min-width: 0; }

.hero-eyebrow {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: 0.65rem;
}

.hero h1,
.hero-text h1 {
  font-family: var(--serif-display);
  font-weight: 400;
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  line-height: 1.1;
  color: var(--chalk);
  margin: 0 0 0.75rem;
  letter-spacing: -0.015em;
}

.hero h1 em,
.hero-text h1 em {
  font-style: italic;
  color: var(--gold);
}

.hero-sub {
  font-size: 0.92rem;
  color: var(--chalk-quiet);
  line-height: 1.65;
  max-width: 42ch;
}

/* ── Animated gradient rule: blue → gold → red (flag stripe order) ── */
.rule-wrap {
  margin-top: 1.1rem;
  height: 2px;
  background: var(--blue-line);
  border-radius: 2px;
  overflow: hidden;
  max-width: 320px;
}

.rule-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--blue), var(--gold), var(--red));
  border-radius: 2px;
  animation: rule-draw 1.3s var(--ease-out) 0.5s forwards;
}

@keyframes rule-draw {
  from { width: 0%; }
  to   { width: 100%; }
}

/* =============================================
   SECTION DIVIDER
============================================= */
.section-divider {
  height: 1px;
  background: var(--blue-line);
  margin: 0.5rem 0 0;
}

/* =============================================
   CONTENT COLUMNS
============================================= */
.about-columns {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 3rem;
  padding: 2.5rem 0 3rem;
}

.about-left,
.about-right {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* =============================================
   BLOCK LABELS
   Gold — voice and personality (left column)
   Blue — facts and structure (right column)
============================================= */
.block-label {
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
  display: block;
}

.block-label--gold { color: var(--gold); }
.block-label--blue { color: var(--blue-bright); }

/* =============================================
   PHILOSOPHY QUOTE
   Red left border — the flag's boldest colour
   given its one strong structural moment.
============================================= */
.philosophy-quote {
  font-family: var(--serif-voice);
  font-style: normal;
  font-weight: 400;
  font-size: clamp(1.25rem, 2.2vw, 1.5rem);
  line-height: 1.55;
  color: var(--chalk);
  border: none;
  padding: 0 0 0 1.25rem;
  margin: 0;
  border-left: 3px solid var(--red);
}

/* =============================================
   BODY TEXT
============================================= */
.body-text {
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--chalk-quiet);
}

.body-text em {
  font-style: normal;
  color: var(--chalk-dim);
  font-family: var(--serif-voice);
  font-size: 1.06em;
}

/* =============================================
   FACTS LIST
============================================= */
.facts-list { list-style: none; }

.facts-list li {
  font-size: 0.9rem;
  color: var(--chalk-quiet);
  padding: 0.75rem 0;
  border-top: 1px solid var(--blue-line);
  line-height: 1.55;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.facts-list li:first-child {
  border-top: none;
  padding-top: 0;
}

.facts-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue-bright);
  flex-shrink: 0;
  margin-top: 7px;
}

/* =============================================
   SKILL PILLS
   Blue — design tools and methods
   Gold — technical / engineering skills
============================================= */
.skills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-pill {
  font-size: 0.76rem;
  font-weight: 500;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  letter-spacing: 0.01em;
}

.skill-pill--blue {
  color: var(--blue-light);
  background: var(--blue-soft);
  border: 1px solid rgba(0, 82, 214, 0.35);
}

.skill-pill--gold {
  color: var(--gold);
  background: var(--gold-soft);
  border: 1px solid var(--gold-line);
}

/* =============================================
   AVAILABILITY BAR — green dot signals "open"
============================================= */
.avail-bar {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.9rem 1.2rem;
  background: var(--blue-soft);
  border: 1px solid var(--blue-line);
  border-radius: 10px;
}

.avail-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
  box-shadow: 0 0 0 3px var(--green-glow);
}

.avail-bar span {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--blue-bright);
}

/* =============================================
   FOOTER
============================================= */
footer {
  border-top: 1px solid var(--blue-line);
  padding: 2rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--measure-wide);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.footer-logo {
  font-family: var(--serif-display);
  font-size: 0.92rem;
  color: var(--chalk-muted);
}

.footer-logo span { color: var(--gold); }

.footer-copy {
  font-size: 0.8rem;
  color: var(--chalk-muted);
}

/* =============================================
   RESPONSIVE — 1024px
============================================= */
@media (max-width: 1024px) {
  .page  { padding: 0 2.25rem; }
  .nav   { padding: 1.2rem 2.25rem; }
  footer { padding: 1.75rem 2.25rem; }
}

/* =============================================
   RESPONSIVE — 900px
============================================= */
@media (max-width: 900px) {
  .nav        { padding: 1.1rem 1.75rem; }
  .nav-links  { gap: 1.5rem; }
  .page       { padding: 0 1.75rem; }

  .about-columns {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-bottom: 2.5rem;
  }

  footer { padding: 1.75rem; }
}

/* =============================================
   RESPONSIVE — 640px (mobile)
============================================= */
@media (max-width: 640px) {
  .nav-links  { display: none; }
  .nav-toggle { display: flex; order: -1; }
  .nav-logo { order: 1; }
  .nav { z-index: 101; }

  /* Pinned mobile dropdown — stays fixed directly under the sticky
     nav as the page scrolls, instead of scrolling away with content. */
  .nav-links-mobile.is-open {
    position: fixed;
    top: var(--mobile-nav-offset, 64px);
    left: 0;
    right: 0;
    max-height: calc(100vh - var(--mobile-nav-offset, 64px));
    overflow-y: auto;
    z-index: 99;
  }
  .nav        { padding: 1rem 1.25rem; }
  .page       { padding: 0 1.25rem; }

  /* Stack avatar above headline on small screens */
  .avatar-wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .avatar {
    width: 140px;
    height: 140px;
  }

  .avatar-icon {
    width: 40px;
    height: 40px;
  }

  .rule-wrap { max-width: 100%; }

  footer {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem 1.25rem;
    gap: 0.5rem;
  }

  .glow { display: none; }
}

/* =============================================
   RESPONSIVE — 400px
============================================= */
@media (max-width: 400px) {
  .hero h1,
  .hero-text h1 { font-size: clamp(1.9rem, 10vw, 2.4rem); }

  .avatar {
    width: 120px;
    height: 120px;
  }
}