@import url('https://fonts.googleapis.com/css2?family=Noto+Serif:ital,wght@0,300;0,400;0,700;1,300;1,400&family=Outfit:wght@300;400;500;600&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── LIGHT MODE ── */
:root {
  --cream: #f5f2eb;
  --ink: #111110;
  --ink-soft: #2e2e2b;
  --ink-muted: #5a5a54;
  --ink-faint: #b8b4aa;
  --accent: #7a5c35;
  --accent-light: #a8835a;
  --surface: #edeae2;
  --surface-hover: #e4e0d6;
  --nav-bg: rgba(245,242,235,0.94);
  --blockquote-bg: #eae6dc;
}

/* ── DARK MODE ── */
[data-theme="dark"] {
  --cream: #141412;
  --ink: #f0ede6;
  --ink-soft: #ccc9c0;
  --ink-muted: #8a8880;
  --ink-faint: #3a3a36;
  --accent: #c9975a;
  --accent-light: #a87840;
  --surface: #1e1e1a;
  --surface-hover: #262620;
  --nav-bg: rgba(20,20,18,0.94);
  --blockquote-bg: #1e1e1a;
}

html { scroll-behavior: smooth; }

body {
  background: var(--cream);
  color: var(--ink);
  font-family: 'Outfit', sans-serif;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; animation: fadeUp 0.7s ease forwards; }
.d1 { animation-delay: 0.1s; } .d2 { animation-delay: 0.25s; }
.d3 { animation-delay: 0.4s; } .d4 { animation-delay: 0.55s; }
.d5 { animation-delay: 0.7s; } .d6 { animation-delay: 0.85s; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 56px; height: 60px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 0.5px solid var(--ink-faint);
  background: var(--nav-bg);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: background 0.3s, border-color 0.3s;
}
.nav-logo {
  font-family: 'Noto Serif', serif; font-size: 15px;
  font-weight: 400; color: var(--ink); letter-spacing: 0.5px;
  text-decoration: none;
}
.nav-links { display: flex; gap: 36px; list-style: none; align-items: center; }
.nav-links a {
  font-size: 10px; letter-spacing: 3px; color: var(--ink-muted);
  text-decoration: none; text-transform: uppercase; transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-cv {
  font-size: 10px; letter-spacing: 2px; color: var(--ink);
  text-transform: uppercase; padding: 7px 18px;
  border: 0.5px solid var(--ink); cursor: pointer;
  transition: all 0.25s; background: transparent;
  font-family: 'Outfit', sans-serif; text-decoration: none; display: inline-block;
}
.nav-cv:hover { background: var(--ink); color: var(--cream); }

/* ── DAY / NIGHT TOGGLE (CodePen style) ── */
.theme-toggle-btn {
  --ease: cubic-bezier(.4,-0.3,.6,1.3);
  --clr-bg-day:   #1b7fcc;
  --clr-bg-night: #070b34;
  --clr-sun:      #FCE570;
  --clr-sun-lgt:  #ffffe3;
  --clr-moon:     hsl(212,13%,75%);
  --btn-w:        1.1em;
  font-size: 18px;

  position: relative;
  width: 4em;
  height: 1.5em;
  border-radius: 2em;
  border: none;
  overflow: hidden;
  cursor: pointer;
  background-color: var(--clr-bg-day);
  box-shadow:
    4px 5px 6px 0px rgb(0 0 0 / 0.15),
    4px 5px 6px 0px rgb(0 0 0 / 0.25),
    inset 4px 5px 6px 0px rgb(255 255 255 / 0.35);
  isolation: isolate;
  transition: background-color 0.75s var(--ease);
  flex-shrink: 0;
  padding: 0;
}

/* Sun/Moon knob */
#tt-knob {
  position: absolute;
  left: 0.15em;
  right: auto;
  top: 50%;
  transform: translateY(-50%);
  width: var(--btn-w);
  height: var(--btn-w);
  border-radius: 50%;
  display: block;
  background: radial-gradient(var(--clr-sun-lgt), transparent);
  background-color: var(--clr-sun);
  cursor: pointer;
  box-shadow:
    0 0 0 0.45em rgb(255 255 255 / 0.2),
    0 0 0 0.9em  rgb(255 255 255 / 0.2),
    0 0 0 1.35em rgb(255 255 255 / 0.2),
    0 0 0.25em 0 #fff;
  transition: all 0.75s var(--ease);
  z-index: 2;
}

/* Moon shadow crater */
#tt-knob::after {
  content: '';
  position: absolute;
  left: 50%; top: 60%;
  width: 25%; height: 25%;
  background-color: transparent;
  border-radius: 50%;
  transition: all 0.3s ease;
  box-shadow:
    -0.45em -0.35em 0 0.05em transparent,
     0.05em -0.5em  0 -0.05em transparent;
}

/* Cloud layer (::before) */
.theme-toggle-btn::before {
  content: '';
  position: absolute;
  width: 1.25em;
  aspect-ratio: 1 / 1;
  background-color: #fff;
  border-radius: 50%;
  right: -0.1em;
  bottom: 0.2em;
  box-shadow:
    -0.5em  0.5em  0 -0.1em  #fff,
    -1em    0.6em  0 -0.25em #fff,
    -1.5em  0.75em 0 -0.1em  #fff,
    -2em    0.75em 0 -0.3em  #fff,
    -2.5em  0.85em 0 -0.25em #fff;
  opacity: 0.5;
  transition: all 0.75s ease;
  z-index: 1;
}

/* Cloud layer 2 (::after) */
.theme-toggle-btn::after {
  content: '';
  position: absolute;
  width: var(--btn-w);
  height: var(--btn-w);
  background-color: #fff;
  border-radius: 50%;
  right: -0.5em;
  bottom: 0em;
  box-shadow:
    -0.5em  0.5em  0 -0.1em  #fff,
    -1em    0.6em  0 -0.25em #fff,
    -1.5em  0.75em 0 -0.1em  #fff,
    -2em    0.75em 0 -0.3em  #fff,
    -2.5em  0.85em 0 -0.25em #fff;
  transition: all 0.75s ease;
  z-index: 1;
}

/* Stars canvas inside toggle */
#tt-stars {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.75s ease;
  pointer-events: none;
}

/* ── NIGHT STATE ── */
.theme-toggle-btn[data-time="night"] {
  background-color: var(--clr-bg-night);
}

.theme-toggle-btn[data-time="night"] #tt-knob {
  background: radial-gradient(#eee, transparent);
  background-color: var(--clr-moon);
  left: calc(100% - 0.15em - var(--btn-w));
  box-shadow:
    0 0 0 0.45em rgb(255 255 255 / 0.1),
    0 0 0 0.9em  rgb(255 255 255 / 0.1),
    0 0 0 1.35em rgb(255 255 255 / 0.1),
    0 0 0.25em 0 #fff;
}

.theme-toggle-btn[data-time="night"] #tt-knob::after {
  transition-delay: 0.5s;
  background-color: #c5c5c5;
  box-shadow:
    -0.45em -0.35em 0 0.05em #d5d5d5,
     0.05em -0.5em  0 -0.05em #d5d5d5;
}

.theme-toggle-btn[data-time="night"]::before {
  right: -2.5em;
  bottom: -0.5em;
  scale: 2;
}

.theme-toggle-btn[data-time="night"]::after {
  right: -2.5em;
  bottom: -1em;
  scale: 3;
}

.theme-toggle-btn[data-time="night"] #tt-stars {
  opacity: 1;
}

/* ── PAGE SHELL ── */
.page-shell { min-height: 100vh; padding-top: 60px; display: grid; grid-template-columns: 64px 1fr; }
.page-index { border-right: 0.5px solid var(--ink-faint); display: flex; flex-direction: column; align-items: center; padding: 48px 0; }
.page-index-num { font-size: 10px; letter-spacing: 2px; color: var(--ink-faint); }
.page-index-line { flex: 1; width: 0.5px; background: var(--ink-faint); margin: 16px 0; }
.page-index-vert { writing-mode: vertical-rl; text-orientation: mixed; transform: rotate(180deg); font-size: 9px; letter-spacing: 4px; color: var(--ink-muted); text-transform: uppercase; }
.page-content { padding: 56px 56px 80px; }

/* ── PAGE HEADER ── */
.page-header { margin-bottom: 56px; }
.page-eyebrow { font-size: 9px; letter-spacing: 5px; color: var(--accent); text-transform: uppercase; margin-bottom: 16px; }
.page-title { font-family: 'Noto Serif', serif; font-size: 52px; font-weight: 300; line-height: 1; color: var(--ink); }
.page-title em { font-style: italic; color: var(--ink-soft); }
.page-rule { width: 36px; height: 0.5px; background: var(--accent); margin: 20px 0; }

/* ── BUTTONS ── */
.btn-primary { font-size: 10px; letter-spacing: 3px; color: var(--cream); text-transform: uppercase; padding: 13px 28px; background: var(--ink); border: 0.5px solid var(--ink); cursor: pointer; transition: all 0.25s; font-family: 'Outfit', sans-serif; text-decoration: none; display: inline-block; }
.btn-primary:hover { opacity: 0.8; }
.btn-secondary { font-size: 10px; letter-spacing: 3px; color: var(--ink); text-transform: uppercase; padding: 13px 28px; background: transparent; border: 0.5px solid var(--ink); cursor: pointer; transition: all 0.25s; font-family: 'Outfit', sans-serif; text-decoration: none; display: inline-block; }
.btn-secondary:hover { background: var(--ink); color: var(--cream); }
.btn-text { font-size: 10px; letter-spacing: 3px; color: var(--ink-muted); text-transform: uppercase; cursor: pointer; text-decoration: none; border-bottom: 0.5px solid var(--ink-faint); padding-bottom: 2px; transition: all 0.2s; }
.btn-text:hover { color: var(--ink); border-color: var(--ink); }

/* ── MARQUEE ── */
.marquee-wrap { border-top: 0.5px solid var(--ink-faint); border-bottom: 0.5px solid var(--ink-faint); overflow: hidden; padding: 12px 0; background: var(--cream); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee-inner { display: flex; width: max-content; animation: marquee 22s linear infinite; }
.marquee-inner:hover { animation-play-state: paused; }
.marquee-item { font-size: 9px; letter-spacing: 4px; color: var(--ink-muted); text-transform: uppercase; padding: 0 28px; white-space: nowrap; }
.marquee-sep { font-size: 9px; color: var(--accent); padding: 0 4px; }

/* ── FOOTER ── */
footer { border-top: 0.5px solid var(--ink-faint); padding: 28px 56px; display: flex; justify-content: center; align-items: center; }
.footer-copy { font-size: 10px; letter-spacing: 2px; color: var(--ink-muted); text-transform: uppercase; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 10px; letter-spacing: 2px; color: var(--ink-muted); text-decoration: none; text-transform: uppercase; transition: color 0.2s; }
.footer-links a:hover { color: var(--ink); }

/* ── HAMBURGER BUTTON ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 200;
  flex-shrink: 0;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: all 0.3s ease;
  transform-origin: center;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── MOBILE SIDE PANEL ── */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 149;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.mobile-nav-overlay.open { opacity: 1; }

.mobile-nav-panel {
  position: fixed;
  top: 0; right: 0;
  width: min(300px, 85vw);
  height: 100vh;
  background: var(--cream);
  z-index: 150;
  display: flex;
  flex-direction: column;
  padding: 0;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  border-left: 0.5px solid var(--ink-faint);
  box-shadow: -8px 0 32px rgba(0,0,0,0.12);
}
.mobile-nav-panel.open { transform: translateX(0); }

.mobile-nav-header {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  border-bottom: 0.5px solid var(--ink-faint);
  flex-shrink: 0;
}
.mobile-nav-header-label {
  font-size: 9px;
  letter-spacing: 5px;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.mobile-nav-close {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; background: none; border: none;
  color: var(--ink-muted); font-size: 18px;
  transition: color 0.2s;
}
.mobile-nav-close:hover { color: var(--ink); }

.mobile-nav-links {
  list-style: none;
  padding: 32px 0;
  flex: 1;
}
.mobile-nav-links li {
  border-bottom: 0.5px solid var(--ink-faint);
}
.mobile-nav-links li:first-child {
  border-top: none;
}
.mobile-nav-links a {
  display: block;
  padding: 20px 28px;
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--ink-muted);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.2s, padding-left 0.2s;
}
.mobile-nav-links a:hover,
.mobile-nav-links a.active {
  color: var(--ink);
  padding-left: 36px;
}

.mobile-nav-footer {
  padding: 28px;
  border-top: 0.5px solid var(--ink-faint);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.mobile-nav-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mobile-nav-toggle-label {
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--ink-muted);
  text-transform: uppercase;
}
.mobile-nav-cv {
  font-size: 10px; letter-spacing: 2px; color: var(--ink);
  text-transform: uppercase; padding: 12px 20px;
  border: 0.5px solid var(--ink); cursor: pointer;
  transition: all 0.25s; background: transparent;
  font-family: 'Outfit', sans-serif; text-decoration: none;
  display: block; text-align: center;
}
.mobile-nav-cv:hover { background: var(--ink); color: var(--cream); }

@media (max-width: 900px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-right .nav-cv { display: none; }
  .nav-right .theme-toggle-btn { display: none; }
  .nav-hamburger { display: flex; }
  .mobile-nav-overlay { display: block; pointer-events: none; }
  .mobile-nav-overlay.open { pointer-events: auto; }
  .page-shell { grid-template-columns: 1fr; }
  .page-index { display: none; }
  .page-content { padding: 40px 24px 60px; }
  .page-title { font-size: 36px; }
  footer { padding: 24px; flex-direction: column; gap: 12px; text-align: center; }
}

/* ── SECONDARY TOGGLE KNOB (mobile panel) ── */
.tt-knob-secondary {
  position: absolute;
  left: 0.15em;
  right: auto;
  top: 50%;
  transform: translateY(-50%);
  width: var(--btn-w);
  height: var(--btn-w);
  border-radius: 50%;
  display: block;
  background: radial-gradient(var(--clr-sun-lgt), transparent);
  background-color: var(--clr-sun);
  cursor: pointer;
  box-shadow:
    0 0 0 0.45em rgb(255 255 255 / 0.2),
    0 0 0 0.9em  rgb(255 255 255 / 0.2),
    0 0 0 1.35em rgb(255 255 255 / 0.2),
    0 0 0.25em 0 #fff;
  transition: all 0.75s var(--ease);
  z-index: 2;
}

.tt-knob-secondary::after {
  content: '';
  position: absolute;
  left: 50%; top: 60%;
  width: 25%; height: 25%;
  background-color: transparent;
  border-radius: 50%;
  transition: all 0.3s ease;
  box-shadow:
    -0.45em -0.35em 0 0.05em transparent,
     0.05em -0.5em  0 -0.05em transparent;
}

.theme-toggle-btn[data-time="night"] .tt-knob-secondary {
  background: radial-gradient(#eee, transparent);
  background-color: var(--clr-moon);
  left: calc(100% - 0.15em - var(--btn-w));
  box-shadow:
    0 0 0 0.45em rgb(255 255 255 / 0.1),
    0 0 0 0.9em  rgb(255 255 255 / 0.1),
    0 0 0 1.35em rgb(255 255 255 / 0.1),
    0 0 0.25em 0 #fff;
}

.theme-toggle-btn[data-time="night"] .tt-knob-secondary::after {
  transition-delay: 0.5s;
  background-color: #c5c5c5;
  box-shadow:
    -0.45em -0.35em 0 0.05em #d5d5d5,
     0.05em -0.5em  0 -0.05em #d5d5d5;
}