/* =========================================================
   Sorraia - About Page Stylesheet (Redesign)
   ========================================================= */

.pg-about {
  --color-bg: #FAFAF8;
  --color-text: #1A1917;
  --color-accent: #2563EB;
  --color-accent-light: #EEF3FF;
  --color-accent-border: #C7D7FD;
  --color-dark-bg: #0F1117;
  --color-dark-surface: #0A0D14;
  --color-dark-border: #1E2230;
  --color-border: #EAE7E0;
  --color-muted: #666666;
  --color-mono-muted: #AAAAAA;
  --color-amber: #D97706;
  --color-green: #10B981;

  --font-serif: "IBM Plex Serif", Georgia, serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;
  --font-sans: "IBM Plex Sans", -apple-system, sans-serif;
}

.pg-about {
  background: var(--color-bg) !important;
  color: var(--color-text) !important;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  --white: var(--color-bg); --off-white: var(--color-bg);
  --navy: var(--color-bg); --navy-mid: var(--color-bg); --surface: var(--color-bg);
  --text: var(--color-text); --text-mid: var(--color-muted); --text-muted: var(--color-muted);
  --text-faint: var(--color-mono-muted); --accent: var(--color-accent);
  --border: var(--color-border); --border-mid: var(--color-border);
}
.pg-about *, .pg-about *::before, .pg-about *::after { box-sizing: border-box; }

.abt-container { max-width: 1160px; margin: 0 auto; padding: 0 48px; }
.abt-container--narrow { max-width: 960px; margin: 0 auto; padding: 0 48px; }

/* --- Nav overrides --- */
.pg-about #navbar, .pg-about #navbar.nav--dark,
.pg-about #navbar.nav--light, .pg-about #navbar.nav--scrolled {
  background: var(--color-bg) !important;
  border-bottom: 1px solid var(--color-border) !important;
  backdrop-filter: none !important; -webkit-backdrop-filter: none !important;
}
.pg-about .nav-logo { color: var(--color-text) !important; }
.pg-about .nav-logo svg path { fill: var(--color-text) !important; }
.pg-about .nav-links a {
  font-family: var(--font-sans) !important; font-size: 13px !important;
  font-weight: 400 !important; letter-spacing: 0 !important;
  color: #666 !important; text-transform: none !important; text-decoration: none !important;
}
.pg-about .nav-links a:hover { color: var(--color-text) !important; opacity: 1 !important; }
.pg-about .nav-links a::after { display: none !important; }
.pg-about .nav-toggle span { background: var(--color-text) !important; }
.pg-about .nav-links li:last-child a {
  background: var(--color-accent) !important; color: #fff !important;
  font-family: var(--font-mono) !important; font-size: 11px !important;
  letter-spacing: 0.06em !important; padding: 9px 20px !important;
  border-radius: 0 !important; border: none !important;
  opacity: 1 !important; text-decoration: none !important;
}
.pg-about .nav-links li:last-child a:hover { background: #1d4ed8 !important; color: #fff !important; }

/* --- STEP 5: HERO --- */
.abt-hero {
  background: linear-gradient(135deg, #F0F4FF 0%, #FAFAF8 100%) !important;
  padding: calc(var(--nav-h, 64px) + 72px) 0 72px;
}

.abt-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.abt-hero__headline {
  font-family: var(--font-serif) !important;
  font-size: 48px;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin: 0 0 48px;
  max-width: 800px;
}
.abt-hero__headline em {
  font-style: italic;
  color: var(--color-accent);
  opacity: 1;
}
.abt-hero__headline em::after { display: none; }

.abt-hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.abt-hero__lead {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.8;
  color: #555;
  max-width: 480px;
}

.abt-hero__sidebar { border-top: 1px solid var(--color-border); }

.abt-hero__meta-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}
.abt-hero__meta-label {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #AAA;
}
.abt-hero__meta-value {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #555;
}
.abt-hero__meta-value--green {
  color: var(--color-green) !important;
  font-weight: 500;
}

/* --- STEP 6: DARK INTERLUDE --- */
.abt-interlude {
  background: var(--color-dark-bg) !important;
  color: #C8CDD6 !important;
  padding: 64px 0 !important;
  border-top: none !important;
  border-bottom: none !important;
}

.abt-interlude__eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.abt-interlude__heading {
  font-family: var(--font-serif) !important;
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: #E8ECF2;
  margin-bottom: 48px;
}
.abt-interlude__heading em {
  font-style: italic;
  color: #60A5FA;
  opacity: 1;
}

.abt-interlude__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.abt-interlude__card {
  padding: 32px 28px;
  border: none !important;
  border-right: 1px solid rgba(200,205,214,0.08) !important;
  border-radius: 0;
}
.abt-interlude__card:last-child { border-right: none !important; }

.abt-interlude__card-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: 20px;
}
.abt-interlude__card-title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 400;
  color: #E8ECF2;
  margin-bottom: 12px;
  line-height: 1.35;
}
.abt-interlude__card-body {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.65;
  color: #8B96B0;
}

/* --- STEP 7: THESIS (From question to decision) --- */
.abt-thesis {
  padding: 64px 0;
  background: var(--color-bg);
}

.abt-thesis__eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.abt-thesis__heading {
  font-family: var(--font-serif) !important;
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: 48px;
}
.abt-thesis__heading em {
  font-style: italic;
  color: var(--color-accent);
  opacity: 1;
}

.abt-thesis__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.abt-thesis__step {
  padding: 28px 24px;
  border-left: 1px solid var(--color-border);
}
.abt-thesis__step:first-child { border-left: none; padding-left: 0; }

.abt-thesis__step-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
  line-height: 1.6;
}
.abt-thesis__step-value {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 14px;
}
.abt-thesis__step-value em {
  font-style: italic;
  color: var(--color-accent);
}
.abt-thesis__step-desc {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.65;
  color: #666;
}

/* --- STEP 8: PULL QUOTE --- */
.abt-pullquote {
  background: #FFF9F0 !important;
  padding: 56px 48px;
  border-top: 1px solid #F0E6D3;
  border-bottom: 1px solid #F0E6D3;
  text-align: center;
}
.abt-pullquote__text {
  font-family: var(--font-serif) !important;
  font-size: 22px;
  font-weight: 400;
  font-style: italic;
  line-height: 1.5;
  color: var(--color-text);
  max-width: 660px;
  margin: 0 auto 24px;
  letter-spacing: -0.01em;
}
.abt-pullquote__attr {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-amber);
}

/* --- STEP 9: APPROACH --- */
.abt-approach {
  padding: 0 !important;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.abt-approach__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: stretch;
}

.abt-approach__grid > div:first-child {
  background: #F5F0FF;
  padding: 56px 48px;
  border-right: 1px solid var(--color-border);
}

.abt-approach__eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.abt-approach__heading {
  font-family: var(--font-serif) !important;
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: 24px;
}
.abt-approach__heading em {
  font-style: italic;
  color: var(--color-accent);
  opacity: 1;
}

.abt-approach__body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-muted);
  max-width: 440px;
}

.abt-approach__steps {
  padding: 56px 48px;
  border-top: none;
}

.abt-approach__step {
  padding: 24px 12px;
  border-bottom: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 20px;
  align-items: start;
}
.abt-approach__step:last-child { border-bottom: none; }
.abt-approach__step-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  padding-top: 3px;
}
.abt-approach__step-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.35;
}
.abt-approach__step-desc {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.65;
  color: #666;
}

/* --- STEP 10: CTA BAR --- */
.abt-cta-bar {
  padding: 44px 0;
  border-top: none !important;
  background: var(--color-accent) !important;
}
.abt-cta-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 0 48px;
  max-width: 1160px;
  margin: 0 auto;
}

.abt-cta-bar__heading {
  font-family: var(--font-serif) !important;
  font-size: 24px;
  font-weight: 400;
  font-style: italic;
  line-height: 1.3;
  color: #fff;
  max-width: 520px;
}
.abt-cta-bar__heading em {
  color: rgba(255,255,255,0.6);
}
.abt-cta-bar__btn {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  font-weight: 500;
  padding: 14px 32px;
  background: #fff;
  color: var(--color-accent);
  border: none;
  border-radius: 0;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity 0.2s ease;
}
.abt-cta-bar__btn:hover { opacity: 0.9; }

/* --- STEP 11: Footer overrides --- */
.pg-about .footer {
  background: var(--color-bg) !important;
  border-top: 1px solid var(--color-border) !important;
  color: var(--color-text) !important;
  padding: 48px 0 !important;
}
.pg-about .footer__grid {
  display: grid !important;
  grid-template-columns: 2fr 1fr 1fr 1fr !important;
  gap: 32px !important;
}
.pg-about .footer__col-title {
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-text);
}
.pg-about .footer__col-links a { font-family: var(--font-sans); font-size: 13px; color: #666; }
.pg-about .footer__col-links a:hover { color: var(--color-text); }
.pg-about .footer__tagline { font-family: var(--font-sans); font-size: 13px; color: #999; line-height: 1.7; }
.pg-about .footer__logo-text { color: var(--color-text); }
.pg-about .footer__logo-text svg path { fill: var(--color-text); }
.pg-about .footer__bottom {
  border-top: 1px solid var(--color-border);
  margin-top: 32px; padding-top: 20px;
}
.pg-about .footer__copy, .pg-about .footer__trust, .pg-about .footer__legal {
  font-family: var(--font-mono); font-size: 9px; color: var(--color-mono-muted);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .abt-hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .abt-interlude__grid { grid-template-columns: 1fr; }
  .abt-interlude__card { border-right: none !important; border-bottom: 1px solid rgba(200,205,214,0.08) !important; }
  .abt-interlude__card:last-child { border-bottom: none !important; }
  .abt-thesis__grid { grid-template-columns: 1fr 1fr; }
  .abt-thesis__step:nth-child(3) { border-left: none; padding-left: 0; }
  .abt-approach__grid { grid-template-columns: 1fr; }
  .abt-approach__grid > div:first-child { border-right: none; border-bottom: 1px solid var(--color-border); }
  .abt-cta-bar__inner { flex-direction: column; text-align: center; gap: 24px; }
  .abt-container, .abt-container--narrow { padding: 0 28px; }
  .pg-about .footer__grid { grid-template-columns: 1fr 1fr !important; }
}
@media (max-width: 768px) {
  .pg-about .nav-links { background: var(--color-bg); }
  .pg-about .nav-links a { color: var(--color-text) !important; }
}
@media (max-width: 640px) {
  .abt-thesis__grid { grid-template-columns: 1fr; }
  .abt-thesis__step { border-left: none; padding-left: 0; border-bottom: 1px solid var(--color-border); padding-bottom: 28px; }
  .abt-thesis__step:last-child { border-bottom: none; }
  .abt-hero__headline { font-size: clamp(28px, 7vw, 40px); }
  .abt-pullquote__text { font-size: clamp(18px, 5vw, 22px); }
  .abt-container, .abt-container--narrow { padding: 0 20px; }
  .abt-hero { padding: calc(var(--nav-h, 64px) + 48px) 0 48px; }
  .abt-interlude__card { padding: 28px 28px; }
  .abt-approach__step { padding: 16px 0; }
  .abt-approach__steps { padding: 40px 20px; }
  .abt-approach__grid > div:first-child { padding: 40px 20px; }
  .abt-interlude, .abt-thesis, .abt-approach { padding: 48px 0; }
  .abt-pullquote { padding: 40px 20px; }
  .abt-cta-bar__inner { padding: 0 20px; }
  .pg-about .footer__grid { grid-template-columns: 1fr !important; }
}

/* --- Scroll reveal animations --- */
.pg-about .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.pg-about .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.pg-about .reveal--delay-1 { transition-delay: 80ms; }
.pg-about .reveal--delay-2 { transition-delay: 160ms; }
.pg-about .reveal--delay-3 { transition-delay: 240ms; }

/* --- Hover animations --- */
@media (hover: hover) {
  .abt-interlude__card { transition: background 300ms ease; }
  .abt-interlude__card:hover { background: rgba(255,255,255,0.03); }
  .abt-thesis__step { transition: background 250ms ease; }
  .abt-thesis__step:hover { background: rgba(37,99,235,0.03); }
  .abt-approach__step { transition: background 250ms ease; }
  .abt-approach__step:hover { background: rgba(37,99,235,0.03); }
  .abt-hero__meta-row { transition: background 300ms ease; }
  .abt-hero__meta-row:hover { background: rgba(37,99,235,0.03); }
}


/* =========================================================
   ABOUT PAGE ANIMATIONS
   ========================================================= */

/* Hero entrance */
.pg-about .abt-hero__eyebrow {
  animation: fadeInDown 0.6s ease both;
  animation-delay: 0.15s;
}
.pg-about .abt-hero__h1 {
  animation: fadeInDown 0.7s ease both;
  animation-delay: 0.3s;
}

/* Metadata list stagger */
.pg-about .abt-meta__row {
  transition: background 0.2s ease;
}
.pg-about .abt-meta__row:hover {
  background: rgba(37,99,235,0.03);
}

/* Dark section cards hover */
.pg-about .abt-why__card {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.3s ease,
              border-color 0.3s ease;
}
.pg-about .abt-why__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  border-color: rgba(96,165,250,0.3);
}

/* Step columns hover */
.pg-about .abt-step {
  transition: background 0.3s ease, border-color 0.3s ease;
}
.pg-about .abt-step:hover {
  background: rgba(37,99,235,0.02);
}

/* Approach steps hover */
.pg-about .abt-approach__step {
  transition: transform 0.25s ease, padding-left 0.25s ease;
}
.pg-about .abt-approach__step:hover {
  transform: translateX(4px);
}

/* Pull quote scale entrance */
.pg-about .abt-quote {
  transition: transform 0.5s ease;
}

/* CTA button hover */
.pg-about .abt-cta__btn {
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.25s ease;
}
.pg-about .abt-cta__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

@media (prefers-reduced-motion: reduce) {
  .pg-about .abt-hero__eyebrow, .pg-about .abt-hero__h1 {
    animation: none !important;
  }
}

/* --- WHERE WE SIT (Stack Diagram) --- */
.abt-stack {
  padding: 80px 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.abt-stack__eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 14px;
  text-align: center;
}
.abt-stack__heading {
  font-family: var(--font-serif) !important;
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text);
  text-align: center;
  margin: 0 auto 48px;
  max-width: 480px;
}
.abt-stack__heading em {
  font-style: italic;
  color: var(--color-accent);
}

.abt-stack__diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 420px;
  margin: 0 auto;
}

.abt-stack__box {
  width: 100%;
  text-align: center;
}
.abt-stack__box--tools {
  background: #fff;
  border: 1px solid #E2E0DA;
  border-radius: 6px;
  padding: 24px 28px;
}
.abt-stack__box--sorraia {
  background: var(--color-dark-bg);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 6px;
  padding: 28px 28px;
  box-shadow: 0 1px 0 0 rgba(255,255,255,0.04) inset,
              0 16px 48px -8px rgba(15,17,23,0.35);
}
.abt-stack__box--output {
  background: #fff;
  border: 1px solid #E2E0DA;
  border-radius: 6px;
  padding: 24px 28px;
}

.abt-stack__box-title {
  font-family: var(--font-sans);
  font-weight: 500;
  margin-bottom: 0;
  line-height: 1;
}
.abt-stack__box--tools .abt-stack__box-title {
  font-size: 13px;
  color: var(--color-text);
  margin-bottom: 14px;
}
.abt-stack__box--sorraia .abt-stack__box-title {
  font-size: 14px;
  color: #E8ECF2;
  margin-bottom: 6px;
}
.abt-stack__box--output .abt-stack__box-title {
  font-size: 13px;
  color: var(--color-text);
  margin-bottom: 6px;
}

.abt-stack__box-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  line-height: 1;
}
.abt-stack__box--sorraia .abt-stack__box-sub { color: #6B7590; }
.abt-stack__box--output .abt-stack__box-sub { color: #999; }

.abt-stack__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}
.abt-stack__pill {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.01em;
  color: #888;
  padding: 5px 14px;
  background: var(--color-bg);
  border: 1px solid #E2E0DA;
  border-radius: 100px;
  white-space: nowrap;
}

.abt-stack__connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 36px;
  position: relative;
  width: 1px;
}
.abt-stack__connector span {
  display: block;
  width: 1px;
  height: 100%;
  background: #D5D3CD;
}
.abt-stack__connector::before,
.abt-stack__connector::after {
  content: "";
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #D5D3CD;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.abt-stack__connector::before { top: -2px; }
.abt-stack__connector::after { bottom: -2px; }

.abt-stack__footer {
  text-align: center;
  max-width: 420px;
  margin: 40px auto 0;
}
.abt-stack__footer-body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.75;
  color: #999;
  margin-bottom: 16px;
}
.abt-stack__footer-accent {
  font-family: var(--font-serif);
  font-size: 15px;
  font-style: italic;
  color: var(--color-accent);
  line-height: 1.5;
}

@media (max-width: 640px) {
  .abt-stack { padding: 56px 0; }
  .abt-stack__heading { font-size: clamp(24px, 7vw, 30px); margin-bottom: 36px; }
  .abt-stack__diagram { max-width: 100%; }
  .abt-stack__box--tools,
  .abt-stack__box--sorraia,
  .abt-stack__box--output { padding: 20px 16px; }
  .abt-stack__pill { font-size: 10px; padding: 4px 10px; }
  .abt-stack__connector { height: 28px; }
  .abt-stack__footer { margin-top: 28px; }
  .abt-stack__footer-accent { font-size: 14px; }
}

@media (hover: hover) {
  .abt-stack__box--sorraia {
    transition: box-shadow 400ms ease, transform 400ms ease;
  }
  .abt-stack__box--sorraia:hover {
    box-shadow: 0 1px 0 0 rgba(255,255,255,0.04) inset,
                0 20px 56px -8px rgba(15,17,23,0.4);
    transform: translateY(-1px);
  }
  .abt-stack__pill {
    transition: border-color 200ms ease, color 200ms ease;
  }
  .abt-stack__pill:hover {
    border-color: #C0BDB6;
    color: var(--color-text);
  }
}