/* ==========================================================================
   caischen — Hobby
   Design system: dark base, hot coral accent, per-category hues
   ========================================================================== */

:root {
  /* Base */
  --bg: #0a0c0f;
  --bg-soft: #0f1218;
  --surface: #151923;
  --surface-2: #1b2130;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f2f3f5;
  --muted: #9aa3b2;

  /* Brand */
  --accent: #ff5a36;
  --accent-soft: rgba(255, 90, 54, 0.14);
  --amber: #ffb22e;

  /* Category hues */
  --c-outdoors: #3ecf72;
  --c-endurance: #ff5a36;
  --c-water: #38bdf8;
  --c-sport: #facc15;
  --c-travel: #a78bfa;
  --c-diy: #fb923c;

  /* Type */
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Rhythm */
  --radius: 18px;
  --radius-sm: 10px;
  --wrap: 72rem;
}

/* ==========================================================================
   Reset & base
   ========================================================================== */

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

* {
  margin: 0;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.4vw + 0.92rem, 1.125rem);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1,
h2,
h3,
h4 {
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

a {
  color: inherit;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

::selection {
  background: var(--accent);
  color: #0a0c0f;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-thumb {
  background: #2a3040;
  border-radius: 99px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.wrapper {
  width: min(100% - 2.5rem, var(--wrap));
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.mt-2 {
  margin-top: 2rem;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: #0a0c0f;
  font-weight: 700;
  text-decoration: none;
  border-radius: 8px;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
}

.section {
  padding-block: clamp(4rem, 9vw, 7rem);
}

.section--soft {
  background: var(--bg-soft);
  border-block: 1px solid var(--line);
}

.kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-head {
  max-width: 40rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-head h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  margin-top: 0.6rem;
}

.section-head p {
  color: var(--muted);
  margin-top: 0.9rem;
}

/* ==========================================================================
   Buttons & links
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 99px;
  transition: transform 180ms ease-out, background-color 180ms ease-out,
    border-color 180ms ease-out, box-shadow 180ms ease-out;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--accent);
  color: #0a0c0f;
}

.btn-primary:hover {
  background: #ff6f4f;
  box-shadow: 0 8px 28px rgba(255, 90, 54, 0.35);
  transform: translateY(-2px);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-dark {
  background: #0a0c0f;
  color: #fff;
}

.btn-dark:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

.link-slide {
  position: relative;
  text-decoration: none;
  font-weight: 600;
  color: var(--text);
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 2px;
  transition: background-size 250ms ease-out, color 250ms ease-out;
}

.link-slide:hover {
  background-size: 100% 2px;
  color: var(--accent);
}

/* ==========================================================================
   Chips & badges
   ========================================================================== */

.chip {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid;
  border-radius: 99px;
}

.chip--outdoors {
  color: var(--c-outdoors);
  border-color: color-mix(in srgb, var(--c-outdoors) 45%, transparent);
}

.chip--endurance {
  color: var(--c-endurance);
  border-color: color-mix(in srgb, var(--c-endurance) 45%, transparent);
}

.chip--water {
  color: var(--c-water);
  border-color: color-mix(in srgb, var(--c-water) 45%, transparent);
}

.chip--sport {
  color: var(--c-sport);
  border-color: color-mix(in srgb, var(--c-sport) 45%, transparent);
}

.chip--travel {
  color: var(--c-travel);
  border-color: color-mix(in srgb, var(--c-travel) 45%, transparent);
}

.chip--diy {
  color: var(--c-diy);
  border-color: color-mix(in srgb, var(--c-diy) 45%, transparent);
}

.chip--sample {
  color: var(--muted);
  border-color: var(--line);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.8rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 99px;
}

.badge--done {
  background: rgba(255, 255, 255, 0.12);
  color: #e7eaef;
  backdrop-filter: blur(6px);
}

.badge--active {
  background: var(--accent);
  color: #0a0c0f;
}

.badge--active::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #0a0c0f;
  animation: pulse 1.6s ease-in-out infinite;
}

.badge--next {
  background: var(--amber);
  color: #1d1303;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.7);
  }
}

/* ==========================================================================
   Image placeholders (swap for real photos)
   ========================================================================== */

.ph {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(140deg, #1b2130, #2a3040);
}

.ph::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.35), transparent 45%);
}

.ph-label {
  position: absolute;
  z-index: 1;
  bottom: 0.8rem;
  left: 0.8rem;
  padding: 0.3rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(0, 0, 0, 0.45);
  border-radius: 99px;
  backdrop-filter: blur(4px);
}

.ph--outdoors {
  background: linear-gradient(145deg, #0c2b1a 0%, #1f7a44 60%, #67e8a2 135%);
}

.ph--endurance {
  background: linear-gradient(145deg, #2b0d06 0%, #c2390f 60%, #ff8a5c 135%);
}

.ph--water {
  background: linear-gradient(145deg, #06202e 0%, #0c6896 60%, #67d4f8 135%);
}

.ph--sport {
  background: linear-gradient(145deg, #2b2206 0%, #b8930f 60%, #fde047 135%);
}

.ph--travel {
  background: linear-gradient(145deg, #1c1230 0%, #6d4fc2 60%, #c4b0fa 135%);
}

.ph--diy {
  background: linear-gradient(145deg, #2b1606 0%, #c2670f 60%, #fdba74 135%);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: background-color 250ms ease-out, border-color 250ms ease-out,
    backdrop-filter 250ms ease-out;
  border-bottom: 1px solid transparent;
}

.site-nav.is-scrolled,
.site-nav.is-open {
  background: rgba(10, 12, 15, 0.72);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.25rem;
}

.brand {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand-dot {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
  padding: 0;
}

.nav-menu a {
  position: relative;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  color: var(--muted);
  transition: color 200ms ease-out;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 250ms ease-out;
}

.nav-menu a:hover,
.nav-menu a[aria-current="page"] {
  color: var(--text);
}

.nav-menu a:hover::after,
.nav-menu a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-menu a.nav-cta {
  padding: 0.5rem 1.1rem;
  background: var(--accent);
  color: #0a0c0f;
  border-radius: 99px;
  transition: transform 180ms ease-out, box-shadow 180ms ease-out;
}

.nav-menu a.nav-cta::after {
  display: none;
}

.nav-menu a.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 90, 54, 0.35);
}

.nav-toggle {
  display: none;
  position: relative;
  z-index: 2;
  width: 44px;
  height: 44px;
  border-radius: 10px;
}

.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  position: absolute;
  left: 50%;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 250ms ease-out, opacity 200ms ease-out;
}

.nav-toggle-bar {
  top: 50%;
  transform: translate(-50%, -50%);
}

.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  left: 0;
}

.nav-toggle-bar::before {
  transform: translateY(-7px);
}

.nav-toggle-bar::after {
  transform: translateY(7px);
}

.is-open .nav-toggle-bar {
  background: transparent;
}

.is-open .nav-toggle-bar::before {
  transform: rotate(45deg);
}

.is-open .nav-toggle-bar::after {
  transform: rotate(-45deg);
}

@media (max-width: 760px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    inset: 0;
    z-index: 1;
    flex-direction: column;
    justify-content: center;
    gap: 2.2rem;
    background: rgba(10, 12, 15, 0.96);
    backdrop-filter: blur(18px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 250ms ease-out;
  }

  .nav-menu a {
    font-size: 1.4rem;
  }

  .is-open .nav-menu {
    opacity: 1;
    pointer-events: auto;
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, black 30%, transparent 75%);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
  will-change: transform;
}

.orb-a {
  width: 34rem;
  height: 34rem;
  top: -8rem;
  right: -10rem;
  background: radial-gradient(circle, rgba(255, 90, 54, 0.55), transparent 65%);
}

.orb-b {
  width: 26rem;
  height: 26rem;
  bottom: -6rem;
  left: -8rem;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.4), transparent 65%);
}

.orb-c {
  width: 20rem;
  height: 20rem;
  top: 30%;
  left: 38%;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.3), transparent 65%);
}

.hero-inner {
  text-align: center;
  padding-block: 7rem 5rem;
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-title {
  margin-top: 1.2rem;
  font-size: clamp(3.2rem, 11vw, 7.5rem);
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: -0.03em;
}

.hero-title .accent {
  color: var(--accent);
}

.hero-pitch {
  margin-top: 1.4rem;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--muted);
  font-weight: 500;
}

.hero-rotator {
  margin-top: 2.2rem;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  color: var(--muted);
}

.rotator {
  display: inline-block;
  font-weight: 700;
  color: var(--accent);
  transition: transform 220ms ease-in, opacity 220ms ease-in;
}

.rotator.out {
  transform: translateY(-0.6em);
  opacity: 0;
}

.rotator.in {
  animation: rotator-in 260ms ease-out;
}

@keyframes rotator-in {
  from {
    transform: translateY(0.6em);
    opacity: 0;
  }
}

.hero-actions {
  margin-top: 2.6rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.scroll-cue {
  position: absolute;
  bottom: 1.6rem;
  left: 50%;
  translate: -50% 0;
  display: grid;
  justify-items: center;
  gap: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
}

.scroll-cue::after {
  content: "";
  width: 1px;
  height: 2.2rem;
  background: linear-gradient(var(--muted), transparent);
  animation: cue 1.8s ease-in-out infinite;
}

@keyframes cue {
  0%,
  100% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(6px);
    opacity: 0.4;
  }
}

/* Hero entrance */
.hero-inner > * {
  animation: rise 600ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-inner > *:nth-child(2) {
  animation-delay: 90ms;
}

.hero-inner > *:nth-child(3) {
  animation-delay: 180ms;
}

.hero-inner > *:nth-child(4) {
  animation-delay: 270ms;
}

.hero-inner > *:nth-child(5) {
  animation-delay: 360ms;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
}

/* ==========================================================================
   Marquee strip
   ========================================================================== */

.marquee {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--bg-soft);
  padding-block: 0.9rem;
}

.marquee-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: marquee 32s linear infinite;
}

.marquee-list {
  display: flex;
  gap: 2.6rem;
  padding: 0 1.3rem;
  margin: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.marquee-list li::before {
  content: "✦ ";
  color: var(--accent);
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ==========================================================================
   Stats
   ========================================================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 1.5rem;
}

.stat {
  padding: 1.8rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 200ms ease-out, border-color 200ms ease-out;
}

.stat:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 90, 54, 0.4);
}

.stat-value {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.stat-label {
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   Story chapters
   ========================================================================== */

.chapters {
  display: grid;
  gap: clamp(3.5rem, 7vw, 6rem);
}

.chapter {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.chapter:nth-of-type(even) .chapter-media {
  order: 2;
}

.chapter-media {
  transition: transform 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

.chapter:hover .chapter-media {
  transform: translateY(-6px) rotate(-0.5deg);
}

.chapter-meta {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.chapter-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.chapter-body h3 {
  margin-top: 1rem;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.chapter-body p {
  margin-top: 0.9rem;
  color: var(--muted);
}

@media (max-width: 760px) {
  .chapter {
    grid-template-columns: 1fr;
  }

  .chapter:nth-of-type(even) .chapter-media {
    order: 0;
  }
}

/* ==========================================================================
   Cards (journal, hobbies, contact)
   ========================================================================== */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr));
  gap: 1.5rem;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 220ms ease-out, box-shadow 220ms ease-out,
    border-color 220ms ease-out;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.card .ph {
  border-radius: 0;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1.4rem;
  flex: 1;
}

.card-body h2,
.card-body h3 {
  font-size: 1.3rem;
}

.card-body p {
  color: var(--muted);
  font-size: 0.95rem;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.card-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.card .badge {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  z-index: 1;
}

/* ==========================================================================
   Filter bar (hobbies page)
   ========================================================================== */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
}

.filter-btn {
  padding: 0.5rem 1.2rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 99px;
  transition: color 180ms ease-out, border-color 180ms ease-out,
    background-color 180ms ease-out, transform 180ms ease-out;
}

.filter-btn:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.filter-btn[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0c0f;
}

.filter-status {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

/* ==========================================================================
   CTA band
   ========================================================================== */

.cta-band {
  background: linear-gradient(120deg, var(--accent), var(--amber));
  border-radius: calc(var(--radius) + 8px);
  padding: clamp(2.5rem, 6vw, 4.5rem);
  text-align: center;
  color: #1a0c05;
}

.cta-band h2 {
  font-size: clamp(1.9rem, 4.5vw, 3.2rem);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.cta-band p {
  margin-top: 0.9rem;
  font-weight: 600;
  opacity: 0.85;
}

.cta-band .btn {
  margin-top: 1.8rem;
}

/* ==========================================================================
   Page head (subpages)
   ========================================================================== */

.page-head {
  padding: 9.5rem 0 3.5rem;
}

.page-head h1 {
  font-size: clamp(2.6rem, 7vw, 4.5rem);
  text-transform: uppercase;
  margin-top: 0.6rem;
}

.page-head p {
  max-width: 38rem;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 1.1rem;
}

/* ==========================================================================
   Timeline (about page)
   ========================================================================== */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 42rem;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0.4rem;
  bottom: 0.4rem;
  left: 0.55rem;
  width: 2px;
  background: linear-gradient(var(--accent), var(--line) 85%);
}

.timeline-item {
  position: relative;
  padding: 0 0 2.6rem 2.6rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: 0;
  top: 0.35rem;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  border: 3px solid var(--bg);
  background: var(--muted);
}

.timeline-marker--outdoors { background: var(--c-outdoors); }
.timeline-marker--endurance { background: var(--c-endurance); }
.timeline-marker--water { background: var(--c-water); }
.timeline-marker--sport { background: var(--c-sport); }
.timeline-marker--travel { background: var(--c-travel); }
.timeline-marker--diy { background: var(--c-diy); }

.timeline-item h3 {
  font-size: 1.25rem;
}

.timeline-item p {
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.timeline-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

/* ==========================================================================
   Prose (about story)
   ========================================================================== */

.prose {
  max-width: 42rem;
}

.prose p + p {
  margin-top: 1.2rem;
}

.prose p {
  color: var(--muted);
  font-size: 1.05rem;
}

.prose strong {
  color: var(--text);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding-block: 3rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-brand {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.footer-brand span {
  color: var(--accent);
}

.footer-links {
  display: flex;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  font-size: 0.92rem;
  color: var(--muted);
}

.footer-note {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ==========================================================================
   404
   ========================================================================== */

.error-hero {
  min-height: 100svh;
  display: grid;
  place-items: center;
  text-align: center;
  padding-block: 6rem;
}

.error-code {
  font-size: clamp(5rem, 20vw, 12rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--accent);
}

.error-hero h1 {
  margin-top: 0.8rem;
  font-size: clamp(1.5rem, 4vw, 2.4rem);
}

.error-hero p {
  margin-top: 0.8rem;
  color: var(--muted);
}

.error-hero .btn {
  margin-top: 2rem;
}

/* ==========================================================================
   Scroll reveal
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms ease-out, transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   Reduced motion — kill all non-essential animation
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-inner > *,
  .scroll-cue::after,
  .marquee-track,
  .badge--active::before,
  .rotator.in {
    animation: none;
  }

  .reveal,
  .rotator,
  .chapter-media,
  .card,
  .stat,
  .btn,
  .filter-btn,
  .nav-menu a::after {
    transition: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}