/* ─── Reset ─── */

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

/* ─── Tokens: Dark (default) ─── */

:root,
[data-theme="dark"] {
  --bg:          #0c0c0c;
  --text:        #d4d4d4;
  --text-muted:  #585858;
  --text-faint:  #2e2e2e;
  --accent:      #e09a35;
  --border:      #1a1a1a;
  --heading:     #ededed;

  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --sans: 'Figtree', system-ui, sans-serif;
}

/* ─── Tokens: Light (Claude cream) ─── */

[data-theme="light"] {
  --bg:          #f6f2e8;
  --text:        #3a2f24;
  --text-muted:  #6f5f50;
  --text-faint:  #b8aa98;
  --accent:      #b86b43;
  --border:      #e2d9c8;
  --heading:     #2b2017;
}

/* ─── Theme cross-fade (only during switch) ─── */

html.theme-switching,
html.theme-switching * {
  transition:
    background-color 0.28s ease,
    color            0.22s ease,
    border-color     0.28s ease !important;
}

/* ─── Base ─── */

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
  min-height: 100vh;
}

html:not(.intro-complete),
html:not(.intro-complete) body {
  overflow: hidden;
  position: fixed;
  width: 100%;
}

/* ─── Film grain (dark mode only) ─── */

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='250' height='250'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='250' height='250' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.038;
  transition: opacity 0.28s ease;
}

[data-theme="light"] .grain {
  opacity: 0;
}

/* ─── Theme Toggle ─── */

.theme-toggle {
  margin-left: auto;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: 0;
  transition: color 0.15s;
}

.theme-toggle:hover {
  color: var(--accent);
}

[data-theme="dark"]  .icon-sun  { display: block; }
[data-theme="dark"]  .icon-moon { display: none;  }
[data-theme="light"] .icon-sun  { display: none;  }
[data-theme="light"] .icon-moon { display: block; }

/* ─── Layout ─── */

.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ─── Load animations ─── */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Hero ─── */

.hero {
  padding: 120px 0 88px;
}

.hero-terminal {
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 96%, #000 4%);
}

[data-theme="light"] .hero-terminal {
  background: color-mix(in srgb, var(--bg) 92%, #fff 8%);
}

[data-theme="dark"] .hero-terminal {
  border-color: #2f2f2f;
}

[data-theme="dark"] .terminal-head {
  border-bottom-color: #2f2f2f;
}

[data-theme="dark"] .terminal-title {
  color: #7a7a7a;
}

.terminal-head {
  height: 34px;
  position: relative;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 12px;
}

.terminal-head .theme-toggle {
  position: absolute;
  right: 6px;
  top: 5px;
  margin-left: 0;
}

.terminal-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text-muted) 45%, transparent);
}

.terminal-title {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-faint);
  letter-spacing: 0.02em;
}

.terminal-body {
  padding: 18px 20px 20px;
}

.terminal-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text);
}

.terminal-row + .terminal-row {
  margin-top: 7px;
}

html.hero-typing .hero-terminal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.34s ease, transform 0.34s ease;
}

html.hero-typing .hero-terminal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

html.hero-typing .terminal-row {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.16s ease, transform 0.16s ease;
}

html.hero-typing .terminal-row.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.terminal-row-heading {
  font-size: clamp(1.5rem, 4.3vw, 2.35rem);
  line-height: 1.1;
  color: var(--heading);
  letter-spacing: -0.03em;
  margin-top: 2px;
}

.terminal-prompt {
  font-family: var(--mono);
  color: var(--accent);
  white-space: nowrap;
}

.terminal-output {
  color: var(--text-muted);
  padding-left: 2px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.terminal-type {
  display: inline;
  min-height: 1em;
}

.terminal-type.is-typing::after {
  content: '_';
  color: var(--accent);
  margin-left: 1px;
  animation: blink 0.95s step-end infinite;
}

.btn.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  animation: none;
}

.hero-cta-icon {
  flex-shrink: 0;
  display: inline-block;
  vertical-align: -1px;
}

html.hero-typing .post-terminal {
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.32s ease, transform 0.32s ease;
}

html.hero-typing.intro-complete .post-terminal {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

html.hero-typing .btn.hero-cta {
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.32s ease, transform 0.32s ease;
}

html.hero-typing.intro-complete .btn.hero-cta {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid color-mix(in srgb, var(--accent) 38%, transparent);
  padding: 9px 20px;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  animation: fadeUp 0.55s 0.38s ease both;
}

.btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

[data-theme="light"] .btn:hover {
  color: #fff;
}

/* ─── About ─── */

.about {
  border-top: 1px solid var(--border);
}

.about p {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.85;
  padding: 72px 0;
  max-width: 560px;
}

/* ─── Projects ─── */

.projects {
  border-top: 1px solid var(--border);
}

.project {
  position: relative;
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
}

/* Animated left accent line on hover */
.project::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 0;
  bottom: 0;
  width: 1.5px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.35s ease;
}

.project:hover::before {
  transform: scaleY(1);
}

.project-header {
  margin-bottom: 20px;
}

.project-index {
  display: block;
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--accent);
  opacity: 0.55;
  margin-bottom: 10px;
}

.project-name {
  font-family: var(--mono);
  font-size: 1.1875rem;
  font-weight: 600;
  color: var(--heading);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
  transition: color 0.15s;
}

.project:hover .project-name {
  color: var(--accent);
}

.project-hook {
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  opacity: 0.8;
}

.project p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 10px;
  max-width: 540px;
}

.project-note {
  font-style: italic;
  color: var(--text-faint) !important;
}

[data-theme="dark"] .project-note {
  color: #767676 !important;
}

.project-actions {
  margin-top: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
}

/* standalone link (SentenceGym) */
.project > .project-link {
  display: inline-block;
  margin-top: 22px;
}

.project-link {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: color 0.15s, border-color 0.15s;
}

.project-link:hover {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
}

.project-platform {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* What's next */

.project-next {
  border-bottom: none;
}

.project-next::before {
  display: none;
}

.project-name-muted {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.project-next p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 480px;
}

/* ─── Footer ─── */

.footer {
  border-top: 1px solid var(--border);
  padding: 56px 0 80px;
}

.footer-nav {
  display: flex;
  gap: 24px;
  margin-bottom: 22px;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: color-mix(in srgb, var(--text) 60%, var(--text-muted) 40%);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-link:hover {
  color: var(--accent);
}

.footer-icon {
  flex-shrink: 0;
  display: block;
}

.footer-copy {
  font-size: 0.8125rem;
  color: color-mix(in srgb, var(--text-muted) 60%, var(--text-faint) 40%);
  line-height: 1.7;
  max-width: 480px;
}

/* ─── Responsive ─── */

@media (max-width: 480px) {
  .hero {
    padding: 80px 0 64px;
  }

  .terminal-body {
    padding: 14px 14px 16px;
  }

  .terminal-row {
    font-size: 0.8rem;
    gap: 8px;
  }

  .terminal-row-heading {
    font-size: clamp(1.35rem, 7.2vw, 1.95rem);
  }

  .about p {
    padding: 52px 0;
  }

  .project {
    padding: 48px 0;
  }

  .project::before {
    left: -20px;
  }

  .footer {
    padding: 48px 0 64px;
  }
}