/* DarkbotFoundry */

:root {
  --bg: #070709;
  --ink: #f3f3f5;
  --muted: #8d8d95;
  --silver: #c8c8d0;
  --line: #1c1c22;
  --amber: #e27412;
  --amber-soft: rgba(226, 116, 18, 0.22);
  --header-h: 4rem;
  --font-display: "Oxanium", "Segoe UI", sans-serif;
  --font-body: "Figtree", "Helvetica Neue", sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: #1a1a20 var(--bg);
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; }

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

::selection {
  background: var(--amber);
  color: var(--bg);
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: #1a1a20;
  border-radius: 0;
}
::-webkit-scrollbar-thumb:hover { background: #2a2a32; }

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: #101014;
  color: var(--ink);
  padding: 0.5rem 0.75rem;
  z-index: 80;
}
.skip:focus { top: 1rem; }

/* —— header: thin fixed bar, brand left / nav right —— */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    transform 0.45s var(--ease-out),
    background 0.4s ease,
    border-color 0.4s ease,
    backdrop-filter 0.4s ease,
    -webkit-backdrop-filter 0.4s ease;
}

.site-header.is-scrolled {
  background: rgba(7, 7, 9, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.header-inner {
  width: 100%;
  margin: 0;
  padding: 0.85rem max(2rem, env(safe-area-inset-right)) 0.85rem max(2rem, env(safe-area-inset-left));
  min-height: var(--header-h);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
  flex: 0 1 auto;
  transition: opacity 0.35s ease;
}
.brand:hover { opacity: 0.78; }

.brand img {
  width: 36px;
  height: 26px;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 0.92rem;
  letter-spacing: 0.1em;
  white-space: nowrap;
}
.brand-dark { font-weight: 600; color: #fff; }
.brand-foundry { font-weight: 300; color: var(--silver); }

.nav { flex: 0 0 auto; }

.nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: flex-end;
  gap: 1.85rem;
}

.nav a {
  position: relative;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.2rem 0 0.35rem;
}
.nav a:hover,
.nav a[aria-current="page"] { color: var(--ink); }

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.32s ease;
}
.nav a:hover::after,
.nav a[aria-current="page"]::after { transform: scaleX(1); }

/* —— layout —— */
main {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* —— hero: lockup is the only statement —— */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 5rem;
  overflow: hidden;
}

.hero-cursor {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    420px 320px at var(--mx, 50%) var(--my, 42%),
    rgba(226, 116, 18, 0.14),
    transparent 70%
  );
  z-index: 0;
}

.hero-mark {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(520px, 84vw);
  max-width: 520px;
  opacity: 0;
  transform: translateY(22px);
}

body.is-ready .hero-mark {
  opacity: 1;
  transform: none;
  transition:
    opacity 1.15s var(--ease-out) 0.08s,
    transform 1.15s var(--ease-out) 0.08s;
}

.hero-glow {
  position: absolute;
  inset: 12% 8%;
  background: radial-gradient(ellipse at 58% 38%, rgba(226, 116, 18, 0.32), transparent 68%);
  filter: blur(32px);
  opacity: 0;
  transition: opacity 0.45s ease;
  pointer-events: none;
}
.hero-mark:hover .hero-glow { opacity: 1; }

.hero-comet {
  width: min(280px, 48vw);
  height: auto;
  position: relative;
  z-index: 1;
  background: transparent;
}

.hero-word {
  position: relative;
  z-index: 1;
  margin: 1.15rem 0 0;
  width: 100%;
}

.hero-darkbot {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.35rem, 8.4vw, 4.55rem);
  letter-spacing: 0.08em;
  line-height: 0.92;
  color: #fff;
}

.hero-foundry {
  display: flex;
  justify-content: space-between;
  margin-top: 0.7rem;
  padding: 0 0.08em;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(0.72rem, 2.15vw, 1.02rem);
  letter-spacing: 0;
  color: var(--silver);
}

/* —— beats: full-width chapters, hairline not box —— */
.beats {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.beat {
  min-height: 40vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 11vh 8vw;
  border-top: 1px solid var(--line);
  background: none;
  transition:
    border-color 0.4s ease,
    transform 0.45s var(--ease-out);
}
.beat:hover {
  border-top-color: var(--amber);
  transform: translateY(-4px);
}

.beat-label {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 1.1rem;
}

.beat p {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 300;
  color: var(--silver);
  font-size: clamp(1.45rem, 3.4vw, 2.25rem);
  line-height: 1.35;
  letter-spacing: 0.02em;
}

/* —— reveal —— */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
  transition:
    opacity 0.9s var(--ease-out),
    transform 0.9s var(--ease-out);
}

.beat[data-reveal].is-in {
  transition:
    opacity 0.9s var(--ease-out),
    transform 0.9s var(--ease-out),
    border-color 0.4s ease;
}

.whisper[data-reveal],
.mail[data-reveal] {
  transition-delay: 0.12s;
}

/* —— inner pages: empty rooms —— */
.page-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 100dvh;
  padding: 6.5rem 1.5rem 5rem;
}

.page-center h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.8rem, 9vw, 5.75rem);
  letter-spacing: 0.03em;
  line-height: 1.05;
  margin: 0;
}

.whisper {
  margin: 1.6rem 0 0;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.mail {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  margin-top: 1.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 3.1vw, 1.7rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.mail-addr {
  position: relative;
  padding-bottom: 0.35rem;
  overflow-wrap: anywhere;
}
.mail-addr::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.35s ease;
}
.mail:hover .mail-addr::after,
.mail:focus-visible .mail-addr::after { transform: scaleX(1); }

.copied {
  min-height: 1em;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.mail.is-copied .copied { opacity: 1; }

/* —— footer: whisper —— */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  padding: 0.7rem 1.5rem 0.85rem;
  text-align: center;
}

.site-footer p {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-footer a { color: var(--silver); }
.site-footer a:hover { color: var(--ink); }

:focus-visible {
  outline: 1px solid var(--amber);
  outline-offset: 3px;
}

/* —— touch: no hover chrome, no cursor lamp —— */
@media (hover: none) {
  .hero-cursor,
  .hero-glow { display: none; }
  .beat:hover {
    transform: none;
    border-top-color: var(--line);
  }
}

/* —— mobile: one header row, lockup fills the phone —— */
@media (max-width: 720px) {
  :root { --header-h: 3.4rem; }

  .header-inner {
    padding: calc(0.55rem + env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) 0.55rem max(1rem, env(safe-area-inset-left));
    gap: 0.65rem;
  }
  .brand { gap: 0.4rem; }
  .brand img { width: 30px; height: 22px; }
  .brand-name {
    font-size: 0.78rem;
    letter-spacing: 0.06em;
  }
  .nav ul { gap: 0.15rem; }
  .nav a {
    font-size: 0.64rem;
    letter-spacing: 0.12em;
    padding: 0.55rem 0.45rem 0.4rem;
  }

  .hero {
    min-height: 100svh;
    padding: calc(4.6rem + env(safe-area-inset-top)) 0.85rem calc(2.4rem + env(safe-area-inset-bottom));
  }
  .hero-mark {
    width: min(520px, 88vw);
  }
  .hero-comet {
    width: min(220px, 46vw);
  }

  .beat {
    min-height: 0;
    padding: 5.5rem 1.35rem;
  }
  .beat p { max-width: 16ch; }

  .page-center {
    min-height: 100svh;
    padding: calc(5.5rem + env(safe-area-inset-top)) 1.15rem calc(3.5rem + env(safe-area-inset-bottom));
  }
  .page-center h1 {
    font-size: clamp(2.15rem, 12vw, 3.6rem);
  }
  .whisper {
    max-width: 28ch;
    letter-spacing: 0.1em;
    line-height: 1.55;
  }
  .mail {
    font-size: clamp(0.95rem, 4.5vw, 1.25rem);
    padding: 0 0.4rem;
  }

  .site-footer {
    padding: 0.7rem max(1rem, env(safe-area-inset-right)) calc(0.85rem + env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
  }
  .site-footer p {
    font-size: 0.56rem;
    letter-spacing: 0.1em;
    line-height: 1.7;
  }
}

@media (max-width: 380px) {
  .brand-name { font-size: 0.72rem; letter-spacing: 0.04em; }
  .nav ul { gap: 0; }
  .nav a { letter-spacing: 0.08em; padding-left: 0.35rem; padding-right: 0.35rem; }
}

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

  .hero-cursor,
  .hero-glow { display: none; }

  .hero-mark,
  body.is-ready .hero-mark,
  [data-reveal],
  [data-reveal].is-in,
  .beat,
  .beat:hover,
  .beat[data-reveal].is-in,
  .site-header,
  .site-header.is-hidden,
  .nav a::after,
  .mail-addr::after,
  .brand,
  .copied {
    opacity: 1;
    transform: none;
    transition: none;
    filter: none;
  }

  .whisper[data-reveal],
  .mail[data-reveal] { transition-delay: 0s; }
}