/* ============================================================
   Left Angle Associates, LLC
   Monochrome, PE-inspired landing page
   ============================================================ */

:root {
  /* Palette: pure monochrome */
  --color-bg: #ffffff;
  --color-text: #0a0a0a;
  --color-text-muted: #6b6b68;
  --color-text-faint: #757571;
  --color-text-soft: #4a4a47;

  --color-border: #ececea;
  --color-border-strong: #d8d8d4;
  --color-row-hover: #fafaf8;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Layout */
  --max-width: 1100px;
  --gutter: 36px;
}

/* ---------- Reset / base ---------- */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
}

ul {
  list-style: none;
}

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

.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px var(--gutter);
  border-bottom: 0.5px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand {
  color: var(--color-text);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.18s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--color-text);
}

/* ---------- Hero / angle field ---------- */

.hero {
  position: relative;
}

.angle-frame {
  position: relative;
  width: 100%;
  height: 48vh;
  min-height: 300px;
  max-height: 460px;
  overflow: hidden;
  cursor: crosshair;
  background: var(--color-bg);
}

.grid-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  z-index: 1;
}

.hidden-seal {
  position: absolute;
  top: 38%;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  pointer-events: none;
  transform: translateY(-50%);
}

.seal-line {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.26em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Per-character spans created by script.js */
.hc {
  display: inline-block;
  opacity: 0;
  transition: opacity 0.06s linear;
}

/* ---------- Section labels ---------- */

.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-faint);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 22px;
}

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

.about {
  padding: 48px var(--gutter) 56px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.about-copy {
  font-size: 17px;
  line-height: 1.65;
  max-width: 60ch;
  color: var(--color-text);
}

/* ---------- Portfolio ---------- */

.portfolio {
  padding: 56px var(--gutter) 72px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.fund {
  margin-bottom: 56px;
}

.fund:last-child {
  margin-bottom: 0;
}

.fund-title {
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.012em;
  margin-bottom: 18px;
}

.fund-period {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--color-text-faint);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-left: 16px;
  vertical-align: middle;
  position: relative;
  top: -2px;
}

.fund-rows {
  border-top: 0.5px solid var(--color-border-strong);
}

.row {
  display: grid;
  grid-template-columns: 60px minmax(0, 1.1fr) minmax(0, 1.6fr) 72px;
  gap: 24px;
  padding: 24px 12px 24px 8px;
  margin: 0 -12px 0 -8px;
  border-bottom: 0.5px solid var(--color-border);
  align-items: baseline;
  text-decoration: none;
  color: inherit;
  transition: background 0.18s ease;
  border-radius: 2px;
}

.row-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-right: 28px;
}

.row-status {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 3px;
  border: 0.5px solid;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.status-active {
  color: var(--color-text);
  border-color: var(--color-text);
}

.status-acquired {
  color: var(--color-text-faint);
  border-color: var(--color-border-strong);
}

.row:hover,
.row:focus-visible {
  background: var(--color-row-hover);
  outline: none;
}

.row:hover .row-action,
.row:focus-visible .row-action {
  transform: translateX(4px);
}

.row-index,
.row-action {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.row-index {
  color: var(--color-text-faint);
}

.row-name {
  font-size: 17px;
  color: var(--color-text);
}

.row-descriptor {
  font-size: 14.5px;
  color: var(--color-text-muted);
}

.row-action {
  text-align: right;
  color: var(--color-text);
  transition: transform 0.2s ease;
  display: inline-block;
  white-space: nowrap;
}

/* ---------- Vintage I: locked state ---------- */

.vintage-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.vintage-header .fund-title {
  margin-bottom: 0;
}

.vintage-status {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status-label {
  color: var(--color-text-faint);
}

.unlock-button {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  background: none;
  border: none;
  padding: 4px 0;
  cursor: pointer;
  border-bottom: 0.5px solid var(--color-text);
  transition: opacity 0.18s ease;
}

.unlock-button:hover,
.unlock-button:focus-visible {
  opacity: 0.7;
  outline: none;
}

/* Hidden until expanded */
.unlock-form[hidden] {
  display: none;
}

.unlock-form {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding: 10px 0;
  border-bottom: 0.5px solid var(--color-border);
}

.passcode-input {
  flex: 0 1 240px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--color-text);
  background: transparent;
  border: none;
  border-bottom: 0.5px solid var(--color-border-strong);
  padding: 6px 0;
  outline: none;
  transition: border-color 0.18s ease;
}

.passcode-input:focus {
  border-bottom-color: var(--color-text);
}

.passcode-input::placeholder {
  color: var(--color-text-faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 11px;
}

.passcode-submit {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text);
  background: none;
  border: none;
  padding: 4px 8px;
  cursor: pointer;
}

.passcode-submit:hover,
.passcode-submit:focus-visible {
  transform: translateX(2px);
  outline: none;
}

.unlock-error {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #a23a3a;
}

.unlock-error[hidden] {
  display: none;
}

/* Non-interactive rows (locked, or no destination yet) keep grid alignment
   but lose the click affordance */
.row-locked,
.row-static {
  cursor: default;
}

.row-name-redacted {
  display: inline-block;
  width: clamp(120px, 70%, 220px);
  height: 14px;
  background: var(--color-text);
  border-radius: 1px;
  vertical-align: middle;
  margin-top: -2px;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

/* Shake animation on incorrect passcode */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.unlock-form.shake {
  animation: shake 0.28s ease-in-out;
}

/* Transition when unlocking: fade out bars */
.row-name-redacted.dissolving {
  opacity: 0;
  transform: scaleX(0.85);
}

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

.site-footer {
  padding: 72px var(--gutter) 40px;
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 0.5px solid var(--color-border);
}

.contact-email {
  display: inline-block;
  font-size: 20px;
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 5px;
  text-decoration-thickness: 1px;
  transition: text-decoration-thickness 0.2s ease;
}

.contact-email:hover,
.contact-email:focus-visible {
  text-decoration-thickness: 2px;
}

.copyright {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-faint);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 64px;
}

/* ---------- Focus rings (accessibility) ---------- */

a:focus-visible,
.row:focus-visible {
  outline: 1px solid var(--color-text);
  outline-offset: 3px;
}

/* ---------- Responsive: tablet ---------- */

@media (max-width: 900px) {
  :root {
    --gutter: 28px;
  }

  .about { padding: 40px var(--gutter) 44px; }
  .portfolio { padding: 44px var(--gutter) 56px; }
  .site-footer { padding: 56px var(--gutter) 36px; }

  .fund-title { font-size: 24px; }
  .fund-period { margin-left: 12px; }
  .row {
    grid-template-columns: 48px minmax(0, 1fr) minmax(0, 1.3fr) 64px;
    gap: 18px;
  }
}

/* ---------- Responsive: mobile ---------- */

@media (max-width: 640px) {
  :root {
    --gutter: 20px;
  }

  .site-nav {
    padding: 18px var(--gutter);
    font-size: 10px;
    letter-spacing: 0.08em;
  }

  .nav-links {
    gap: 16px;
  }

  .angle-frame {
    height: 44vh;
    min-height: 260px;
  }

  .seal-line {
    font-size: 18px;
    letter-spacing: 0.22em;
  }

  .about-copy {
    font-size: 15.5px;
    max-width: none;
  }

  .fund-title {
    font-size: 22px;
  }

  /* Stack rows: index on left spans both lines; name on top, descriptor below; arrow on right spans both */
  .row {
    grid-template-columns: 36px minmax(0, 1fr) 56px;
    grid-template-rows: auto auto;
    gap: 4px 14px;
    padding: 18px 10px 18px 6px;
    margin: 0 -10px 0 -6px;
  }

  .row-index {
    grid-row: 1 / 3;
    grid-column: 1;
    align-self: center;
  }

  .row-name {
    grid-row: 1;
    grid-column: 2;
    font-size: 16px;
  }

  .row-meta {
    grid-row: 2;
    grid-column: 2;
    justify-content: flex-start;
    gap: 12px;
    padding-right: 0;
  }

  .row-descriptor {
    font-size: 13.5px;
  }

  .row-status {
    padding: 3px 8px;
    font-size: 9.5px;
    letter-spacing: 0.12em;
  }

  .row-action {
    grid-row: 1 / 3;
    grid-column: 3;
    align-self: center;
  }

  .fund-period {
    display: block;
    margin-left: 0;
    margin-top: 4px;
    top: 0;
  }

  .fund-title {
    line-height: 1.1;
  }

  .contact-email {
    font-size: 18px;
  }

  .copyright {
    margin-top: 48px;
  }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hc { transition: none; }
  .row-action { transition: none; }
}