/* ══════════════════════════════════════════
   abhilasha.dev — shared styles
   ══════════════════════════════════════════ */

:root {
  --bg:        #0a0908;
  --bg1:       #0f0e0c;
  --bg2:       #141210;
  --border:    rgba(220,210,195,0.08);
  --border-hi: rgba(220,210,195,0.16);
  --text:      #b8b0a0;
  --text-hi:   #ddd5c4;
  --dim:       #5a5448;
  --gold:      #c49a40;
  --gold-lo:   rgba(196,154,64,0.15);
  --gold-line: rgba(196,154,64,0.35);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Syne', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

/* grain */
body::after {
  content: ''; position: fixed; inset: 0; z-index: 9000;
  pointer-events: none; opacity: 0.032;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.84' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 145px 145px;
}

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

/* ── cursor ── */
#cur {
  position: fixed; z-index: 9999; pointer-events: none;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--dim);
  transform: translate(-50%,-50%);
  transition: background .22s, transform .14s cubic-bezier(.16,1,.3,1);
}
#cur.hot { background: var(--gold); transform: translate(-50%,-50%) scale(2.8); }
@media (hover:none) { #cur { display:none; } body { cursor: auto; } }

/* ── layout ── */
.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 clamp(1.4rem, 5vw, 4rem);
}

/* ════════════════════════════
   NAV
════════════════════════════ */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  padding: 1.1rem clamp(1.4rem,5vw,4rem);
  display: flex; align-items: center; gap: 1.2rem;
  transition: background .35s, border-color .35s;
  border-bottom: 1px solid transparent;
}
#nav.inked {
  background: rgba(10,9,8,0.92);
  backdrop-filter: blur(20px);
  border-color: var(--border);
}
.nav-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem; color: var(--text-hi); letter-spacing: .04em;
  flex-shrink: 0; margin-right: auto;
}
.nav-links { display: flex; gap: 1.8rem; list-style: none; }
.nav-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: .68rem; letter-spacing: .08em;
  color: var(--dim); transition: color .2s;
}
.nav-links a:hover { color: var(--text-hi); }
.nav-links a.active { color: var(--text); }

/* hamburger button */
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  padding: .35rem; color: var(--dim);
  font-size: 1.15rem; line-height: 1;
  transition: color .2s;
}
.nav-toggle:hover { color: var(--text-hi); }

@media (max-width:560px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; align-items: center; }
}

/* fullscreen overlay nav */
.nav-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 600;
  background: rgba(10,9,8,0.97);
  flex-direction: column;
  align-items: center; justify-content: center;
  gap: 2.5rem;
}
.nav-overlay.open { display: flex; }
.nav-overlay a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.3rem; letter-spacing: .1em;
  color: var(--text); transition: color .2s;
}
.nav-overlay a:hover,
.nav-overlay a.active { color: var(--gold); }
.nav-overlay-close {
  position: absolute; top: 1.4rem; right: clamp(1.4rem,5vw,4rem);
  background: none; border: none; cursor: pointer;
  color: var(--dim); font-size: 1.4rem; line-height: 1;
  transition: color .2s;
}
.nav-overlay-close:hover { color: var(--text-hi); }

/* ════════════════════════════
   SCROLL REVEAL
   Initial hidden state is scoped to html.js-loaded so content
   is visible without JS and avoids flash on page load.
════════════════════════════ */
html.js-loaded .reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity .9s cubic-bezier(.16,1,.3,1),
              transform .9s cubic-bezier(.16,1,.3,1);
}
html.js-loaded .reveal.on { opacity: 1; transform: none; }

html.js-loaded .stagger > * {
  opacity: 0; transform: translateY(18px);
  transition: opacity .75s cubic-bezier(.16,1,.3,1),
              transform .75s cubic-bezier(.16,1,.3,1);
}
html.js-loaded .stagger.on > *:nth-child(1)  { opacity:1; transform:none; transition-delay:.00s; }
html.js-loaded .stagger.on > *:nth-child(2)  { opacity:1; transform:none; transition-delay:.06s; }
html.js-loaded .stagger.on > *:nth-child(3)  { opacity:1; transform:none; transition-delay:.12s; }
html.js-loaded .stagger.on > *:nth-child(4)  { opacity:1; transform:none; transition-delay:.18s; }
html.js-loaded .stagger.on > *:nth-child(5)  { opacity:1; transform:none; transition-delay:.24s; }
html.js-loaded .stagger.on > *:nth-child(n+6){ opacity:1; transform:none; transition-delay:.30s; }

/* ════════════════════════════
   FOOTER / CONTACT LINKS
════════════════════════════ */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem clamp(1.4rem,5vw,4rem);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 2rem;
}
.ft-left { display: flex; align-items: center; gap: .7rem; }
.ft-jp {
  font-family: 'Noto Serif JP', serif; font-weight: 200;
  font-size: .78rem; color: var(--dim); letter-spacing: .14em;
}
.ft-sep { width: 1px; height: 12px; background: var(--border); }
.ft-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: .65rem; color: var(--dim); letter-spacing: .06em;
}
.contact-links { display: flex; flex-direction: column; gap: 0; }
.contact-row {
  display: grid; grid-template-columns: 5rem 1fr 1rem;
  gap: 1rem; align-items: center;
  padding: .75rem 0; border-bottom: 1px solid var(--border);
}
.contact-row:first-child { border-top: 1px solid var(--border); }
.cr-key {
  font-family: 'JetBrains Mono', monospace;
  font-size: .68rem; letter-spacing: .1em; color: var(--dim);
}
.cr-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem; color: var(--text);
  transition: color .2s;
  word-break: break-all;
}
a.cr-val:hover { color: var(--gold); }
.cr-arrow { color: var(--dim); font-size: .72rem; }
.ft-bottom {
  margin-top: 2rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .62rem; color: var(--dim); letter-spacing: .06em;
}

@media (max-width:560px) {
  .contact-row {
    grid-template-columns: 4.2rem 1fr .8rem;
    gap: .5rem;
  }
}

/* ════════════════════════════
   THEME TOGGLE BUTTON
════════════════════════════ */
.theme-toggle {
  position: relative;
  width: 28px; height: 28px; flex-shrink: 0;
  border-radius: 50%;
  background: none;
  border: 1px solid var(--border-hi);
  cursor: pointer;
  color: var(--dim);
  transition: color .25s, border-color .25s, background .25s;
}
.theme-toggle:hover {
  color: var(--text-hi);
  background: var(--border);
}
.theme-toggle svg {
  position: absolute;
  top: 50%; left: 50%;
  width: 12px; height: 12px;
  transition: transform .5s cubic-bezier(.16,1,.3,1), opacity .3s ease;
}
/* dark mode default: moon visible, sun hidden */
.theme-toggle .icon-moon {
  transform: translate(-50%,-50%) rotate(0deg) scale(1);
  opacity: 1;
}
.theme-toggle .icon-sun {
  transform: translate(-50%,-50%) rotate(90deg) scale(.5);
  opacity: 0;
}
/* light mode: sun visible, moon hidden */
html.light-mode .theme-toggle .icon-moon {
  transform: translate(-50%,-50%) rotate(-90deg) scale(.5);
  opacity: 0;
}
html.light-mode .theme-toggle .icon-sun {
  transform: translate(-50%,-50%) rotate(0deg) scale(1);
  opacity: 1;
}
/* theme-toggle inside overlay — slightly larger */
.nav-overlay .theme-toggle {
  width: 36px; height: 36px; margin-top: .5rem;
}
.nav-overlay .theme-toggle svg {
  width: 15px; height: 15px;
}

/* ════════════════════════════
   COLOR SCHEME TRANSITION
   Applied via JS during toggle — uses longhand sub-properties
   so transform/opacity animations on other elements are unaffected.
════════════════════════════ */
.color-scheme-transitioning *,
.color-scheme-transitioning *::before,
.color-scheme-transitioning *::after {
  transition-property: background-color, color, border-color, fill, stroke !important;
  transition-duration: .4s !important;
  transition-timing-function: ease !important;
  transition-delay: 0s !important;
}
/* restore icon spin animation during theme switch */
.color-scheme-transitioning .theme-toggle svg {
  transition-property: background-color, color, transform, opacity !important;
  transition-duration: .4s, .4s, .5s, .3s !important;
  transition-timing-function: ease, ease, cubic-bezier(.16,1,.3,1), ease !important;
  transition-delay: 0s !important;
}

/* ════════════════════════════
   LIGHT MODE
════════════════════════════ */
html.light-mode {
  --bg:        #f4efe6;
  --bg1:       #ede8df;
  --bg2:       #e6e0d6;
  --border:    rgba(80,65,45,0.10);
  --border-hi: rgba(80,65,45,0.22);
  --text:      #6b6055;
  --text-hi:   #221e18;
  --dim:       #a89880;
  --gold:      #9a7820;
  --gold-lo:   rgba(154,120,32,0.12);
  --gold-line: rgba(154,120,32,0.32);
}
html.light-mode body::after { opacity: 0.018; }
html.light-mode #nav.inked {
  background: rgba(244,239,230,0.92);
}
html.light-mode .nav-overlay {
  background: rgba(244,239,230,0.98);
}