/* ============================================================
   JARED PATEL — L/S EQUITY RESEARCH
   Design system: "The Tape"
   Ink black / terminal amber / warm paper type
   Display: Anton · Body: Space Grotesk · Utility: IBM Plex Mono
   ============================================================ */

:root {
  --ink: #0b0c0f;
  --ink-2: #101218;
  --panel: #14161c;
  --line: #23262e;
  --paper: #ece8df;
  --paper-dim: #9a978f;
  --amber: #ffae1a;
  --amber-soft: rgba(255, 174, 26, 0.12);
  --down: #3a3f47;

  --font-display: "Anton", sans-serif;
  --font-body: "Space Grotesk", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --gutter: clamp(1.25rem, 5vw, 5rem);
  --section-pad: clamp(5rem, 14vh, 10rem);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; }

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

/* ---------- Utility type ---------- */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.eyebrow::before {
  content: "";
  width: 2rem; height: 1px;
  background: var(--amber);
  display: inline-block;
}

.display {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  line-height: 0.92;
  letter-spacing: 0.005em;
}

.mono { font-family: var(--font-mono); }

/* ---------- 3D canvas ---------- */

#tape-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ---------- Layout scaffolding ---------- */

main { position: relative; z-index: 1; }

.section {
  padding: var(--section-pad) var(--gutter);
  position: relative;
}

.section-inner { max-width: 1280px; margin: 0 auto; }

.section-head { margin-bottom: clamp(2.5rem, 6vh, 4.5rem); }

.section-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  line-height: 0.95;
  font-size: clamp(2.75rem, 8vw, 6.5rem);
  margin-top: 1rem;
}

/* ---------- Nav ---------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem var(--gutter);
  mix-blend-mode: normal;
  transition: background 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(11, 12, 15, 0.82);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
}
.nav-brand {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-decoration: none;
}
.nav-brand strong { color: var(--amber); font-weight: 600; }
.nav-links { display: flex; gap: 1.75rem; list-style: none; }
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--paper-dim);
  transition: color 0.2s ease;
}
.nav-links a:hover, .nav-links a:focus-visible { color: var(--amber); }
.nav-toggle { display: none; }

/* ---------- Hero ---------- */

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 var(--gutter) clamp(2rem, 6vh, 4rem);
  position: relative;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 1.4vw, 0.85rem);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1.25rem;
}

.hero-name {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(4rem, 17.5vw, 17rem);
  line-height: 0.85;
  letter-spacing: 0.01em;
  will-change: transform;
}
.hero-name .row { display: block; overflow: hidden; }
.hero-name .row span {
  display: block;
  transform: translateY(110%);
  animation: riseIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.hero-name .row:nth-child(2) span { animation-delay: 0.12s; }

@keyframes riseIn { to { transform: translateY(0); } }

.hero-sub {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}
.hero-sub p { max-width: 34rem; color: var(--paper-dim); }
.hero-sub p strong { color: var(--paper); font-weight: 500; }

.scroll-cue {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper-dim);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  white-space: nowrap;
}
.scroll-cue::after {
  content: "";
  width: 1px; height: 3rem;
  background: linear-gradient(var(--amber), transparent);
  animation: drip 1.8s ease-in-out infinite;
}
@keyframes drip { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ---------- Ticker marquee ---------- */

.ticker {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 0.85rem 0;
  background: var(--ink-2);
  position: relative;
  z-index: 1;
}
.ticker-track {
  display: flex;
  gap: 3rem;
  white-space: nowrap;
  width: max-content;
  animation: ticker 36s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper-dim);
}
.ticker-track b { color: var(--amber); font-weight: 500; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- About ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.about-lede {
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  line-height: 1.4;
  font-weight: 500;
}
.about-lede em { color: var(--amber); font-style: normal; }
.about-body { color: var(--paper-dim); margin-top: 1.5rem; }

.coverage { border-top: 1px solid var(--line); }
.coverage li {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  font-weight: 500;
}
.coverage li span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--paper-dim);
  text-transform: uppercase;
  text-align: right;
}

.fact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem 4rem;
  margin-top: clamp(3rem, 8vh, 5rem);
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}
.fact b {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  color: var(--amber);
  display: block;
  line-height: 1;
}
.fact span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-dim);
}

/* ---------- Experience ---------- */

.xp { border-top: 1px solid var(--line); }
.xp-item {
  display: grid;
  grid-template-columns: minmax(8rem, 0.55fr) 1.2fr 1.6fr;
  gap: 1.5rem;
  padding: clamp(1.75rem, 4vh, 2.75rem) 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.xp-when {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--paper-dim);
  padding-top: 0.4rem;
}
.xp-who h3 {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.05;
}
.xp-who .role { color: var(--amber); font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; margin-top: 0.5rem; display: block; }
.xp-who .kind { color: var(--paper-dim); font-size: 0.85rem; margin-top: 0.35rem; display: block; }
.xp-what { color: var(--paper-dim); }
.xp-what li { margin: 0 0 0.6rem 1.1rem; }
.xp-what li::marker { color: var(--amber); }

/* ---------- Blog ---------- */

.post-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.post-card {
  background: var(--ink);
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  display: grid;
  grid-template-columns: minmax(7rem, 0.4fr) 1.6fr auto;
  gap: 1.5rem;
  align-items: center;
  text-decoration: none;
  transition: background 0.25s ease;
}
.post-card:hover, .post-card:focus-visible { background: var(--panel); }
.post-card .date { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; color: var(--paper-dim); text-transform: uppercase; }
.post-card h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); font-weight: 600; line-height: 1.25; }
.post-card p { color: var(--paper-dim); font-size: 0.92rem; margin-top: 0.4rem; }
.post-card .arrow { font-family: var(--font-mono); color: var(--amber); font-size: 1.4rem; transition: transform 0.25s ease; }
.post-card:hover .arrow { transform: translateX(6px); }
.post-empty { background: var(--ink); padding: 2.5rem; color: var(--paper-dim); font-family: var(--font-mono); font-size: 0.85rem; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  background: var(--amber);
  padding: 1rem 1.75rem;
  border: 1px solid var(--amber);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.btn:hover, .btn:focus-visible { background: transparent; color: var(--amber); }
.btn.ghost { background: transparent; color: var(--paper); border-color: var(--line); }
.btn.ghost:hover, .btn.ghost:focus-visible { border-color: var(--amber); color: var(--amber); }

/* ---------- Data Room teaser ---------- */

.vault-teaser {
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--panel), var(--ink-2));
  padding: clamp(2.5rem, 6vw, 5rem);
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
.vault-teaser h2 {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(2.2rem, 5.5vw, 4.25rem);
  line-height: 0.95;
}
.vault-teaser p { color: var(--paper-dim); margin-top: 1.25rem; max-width: 32rem; }
.vault-teaser .cta { justify-self: end; }

/* ---------- Contact ---------- */

.contact { text-align: left; }
.contact-mail {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(1.6rem, 5.8vw, 5rem);
  line-height: 1;
  text-decoration: none;
  display: inline-block;
  margin-top: 1.5rem;
  border-bottom: 4px solid var(--amber);
  padding-bottom: 0.5rem;
  transition: color 0.2s ease;
  word-break: break-word;
}
.contact-mail:hover, .contact-mail:focus-visible { color: var(--amber); }
.contact-meta { display: flex; gap: 1.5rem; align-items: center; margin-top: 2.5rem; flex-wrap: wrap; }
.icon-link {
  width: 3rem; height: 3rem;
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--paper);
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.icon-link:hover, .icon-link:focus-visible { border-color: var(--amber); color: var(--amber); background: var(--amber-soft); }
.icon-link svg { width: 1.2rem; height: 1.2rem; fill: currentColor; }

/* ---------- Footer ---------- */

footer {
  border-top: 1px solid var(--line);
  padding: 3.5rem var(--gutter) 2.5rem;
  position: relative;
  z-index: 1;
  background: var(--ink);
}
.footer-inner { max-width: 1280px; margin: 0 auto; }
.disclaimer h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1rem;
}
.disclaimer p {
  font-size: 0.8rem;
  color: var(--paper-dim);
  line-height: 1.7;
  max-width: 60rem;
  margin-bottom: 0.9rem;
}
.footer-base {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--paper-dim);
  text-transform: uppercase;
}
.footer-base a { color: var(--paper-dim); text-decoration: none; }
.footer-base a:hover { color: var(--amber); }

/* ---------- Reveal on scroll ---------- */

.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Data Room page ---------- */

.vault-page {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 7rem var(--gutter) 4rem;
}
.vault-box { max-width: 620px; margin: 0 auto; width: 100%; }
.vault-box h1 {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(2.75rem, 9vw, 5.5rem);
  line-height: 0.92;
  margin-top: 1rem;
}
.vault-box .hint { color: var(--paper-dim); margin-top: 1.25rem; }
.vault-form { display: flex; gap: 0.75rem; margin-top: 2.25rem; }
.vault-form input {
  flex: 1;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  padding: 1rem 1.25rem;
  outline: none;
}
.vault-form input:focus-visible { border-color: var(--amber); }
.vault-error { color: #ff6b4a; font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.1em; margin-top: 1rem; min-height: 1.2em; }

.vault-files { max-width: 860px; margin: 0 auto; width: 100%; }
.vault-files .updated { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--paper-dim); margin: 1rem 0 2rem; }
.file-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.25rem;
  align-items: center;
  border: 1px solid var(--line);
  border-bottom: none;
  padding: 1.5rem 1.75rem;
  text-decoration: none;
  transition: background 0.2s ease;
}
.file-card:last-of-type { border-bottom: 1px solid var(--line); }
.file-card:hover, .file-card:focus-visible { background: var(--panel); }
.file-card .type { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--amber); }
.file-card h3 { font-size: 1.1rem; font-weight: 600; margin-top: 0.35rem; }
.file-card p { color: var(--paper-dim); font-size: 0.88rem; margin-top: 0.35rem; }
.file-card .dl { font-family: var(--font-mono); color: var(--amber); font-size: 1.3rem; }
.vault-note { color: var(--paper-dim); font-size: 0.82rem; margin-top: 2rem; border-left: 2px solid var(--amber); padding-left: 1rem; }

/* ---------- Blog article ---------- */

.article {
  max-width: 760px;
  margin: 0 auto;
  padding: 9rem var(--gutter) 5rem;
  position: relative;
  z-index: 1;
}
.article h1 {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  line-height: 0.95;
  margin: 1rem 0 1.5rem;
}
.article .meta { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--paper-dim); margin-bottom: 3rem; }
.article h2 { font-size: 1.5rem; margin: 2.5rem 0 1rem; }
.article p { color: var(--paper-dim); margin-bottom: 1.25rem; }
.article p strong, .article li strong { color: var(--paper); }
.article ul, .article ol { margin: 0 0 1.25rem 1.25rem; color: var(--paper-dim); }
.article li { margin-bottom: 0.5rem; }
.article blockquote { border-left: 2px solid var(--amber); padding-left: 1.25rem; margin: 1.75rem 0; color: var(--paper); font-size: 1.15rem; }
.article .back { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--amber); text-decoration: none; }

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .about-grid, .vault-teaser { grid-template-columns: 1fr; }
  .vault-teaser .cta { justify-self: start; }
  .xp-item { grid-template-columns: 1fr; gap: 0.75rem; }
  .post-card { grid-template-columns: 1fr auto; }
  .post-card .date { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-toggle {
    display: block;
    background: none;
    border: 1px solid var(--line);
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    padding: 0.5rem 0.9rem;
    cursor: pointer;
  }
  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: rgba(11, 12, 15, 0.97);
    border-bottom: 1px solid var(--line);
    padding: 1.5rem var(--gutter);
    gap: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}