/* ─────────────────────────────────────────────────────────
   ABOUT PAGE — "Intelligence Dossier" aesthetic
   Layers on top of ../assets/styles.css
   ───────────────────────────────────────────────────────── */

/* 00. DOSSIER TEXTURES */
.dossier-grid {
  background-image: radial-gradient(circle, var(--rule) 1px, transparent 1px);
  background-size: 40px 40px;
}
.classified-stamp {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.classified-stamp span {
  font-family: var(--font-sans);
  font-size: clamp(6rem, 14vw, 16rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  color: var(--ink);
  opacity: 0.03;
  transform: rotate(-12deg);
}

/* 01. ABOUT HERO */
.about-hero {
  text-align: center;
  padding-top: clamp(160px, 18vh, 220px);
  padding-bottom: clamp(48px, 6vw, 72px);
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.about-hero > .container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.about-hero .hero-headline {
  max-width: 20ch;
  margin-inline: auto;
}
.about-hero .hero-sub {
  max-width: 52ch;
  margin-inline: auto;
  text-align: center;
}
.intel-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: 6px 14px;
  margin-bottom: 28px;
  background: oklch(0.870 0.180 130);
  color: oklch(0.16 0.04 130);
}

/* 02. PHILOSOPHY — 2 column with border */
.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
.philosophy-grid__lead {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.5rem, 2vw + 0.5rem, 2.2rem);
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.philosophy-grid__body {
  border-left: 1px solid var(--rule);
  padding-left: clamp(20px, 3vw, 40px);
}
.philosophy-grid__body p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.7;
}
.philosophy-grid__body p + p {
  margin-top: 18px;
}

/* 03. FOUNDER */
.founder-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.founder-portrait {
  display: flex;
  align-items: center;
  justify-content: center;
}
.founder-monogram {
  width: 200px;
  height: 200px;
  display: grid;
  place-items: center;
  background: var(--paper-deeper);
  border: 1px solid var(--rule);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 5rem;
  color: var(--ink);
  opacity: 0.7;
  letter-spacing: -0.04em;
}
.founder-photo {
  width: 200px;
  height: 200px;
  object-fit: cover;
  display: block;
  background: var(--paper-deeper);
  border: 1px solid var(--rule);
  filter: grayscale(100%) contrast(1.02);
  transition: filter 400ms var(--ease, ease);
}
.founder-photo:hover {
  filter: grayscale(0%) contrast(1);
}
.founder-name {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.8rem, 2.5vw + 0.5rem, 2.6rem);
  color: var(--ink);
  letter-spacing: -0.025em;
  line-height: 1.1;
}
.founder-role {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-top: 8px;
  margin-bottom: 24px;
}
.founder-bio p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.7;
}
.founder-bio p + p {
  margin-top: 16px;
}
.founder-links {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}
.founder-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 200ms;
}
.founder-link:hover {
  color: var(--accent);
}
.founder-link svg {
  width: 16px;
  height: 16px;
}

/* 04. PILLARS — 5 service columns */
.pillars-section {
  background: var(--paper-edge);
}
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  margin-top: 48px;
}
.pillar-card {
  background: var(--paper);
  padding: clamp(24px, 3vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 280px;
  transition: background-color 300ms;
}
.pillar-card:hover {
  background: var(--paper-deeper);
}
.pillar-card__num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pillar-card__title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.15rem, 0.8vw + 0.5rem, 1.4rem);
  color: var(--ink);
  letter-spacing: -0.014em;
  line-height: 1.15;
}
.pillar-card__body {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-top: auto;
}
.pillar-card__line {
  height: 2px;
  width: 0;
  background: var(--accent);
  transition: width 500ms var(--ease-out-strong);
}
.pillar-card:hover .pillar-card__line {
  width: 100%;
}

/* 04. METHOD — dark section, 4-step */
.method-section {
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(56px, 7vw, 96px);
  position: relative;
  overflow: hidden;
}
.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(18px, 3vw, 32px);
  margin-top: 48px;
}
.method-step {
  border-left: 1px solid oklch(1 0 0 / 0.15);
  padding-left: clamp(16px, 2vw, 24px);
  padding-block: 16px;
}
.method-step__num {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: oklch(0.870 0.180 130);
  margin-bottom: 16px;
  display: block;
}
.method-step__title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.2rem, 1vw + 0.5rem, 1.5rem);
  color: oklch(0.95 0 0);
  letter-spacing: -0.014em;
  line-height: 1.15;
  margin-bottom: 12px;
}
.method-step__body {
  font-size: 14px;
  color: oklch(1 0 0 / 0.55);
  line-height: 1.6;
}

/* 05. PRINCIPLES — lettered items */
.principles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 48px);
  margin-top: 56px;
}
.principle {
  display: flex;
  gap: clamp(14px, 2vw, 24px);
  align-items: flex-start;
}
.principle__letter {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--paper-deeper);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
}
.principle__title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.15rem, 0.8vw + 0.5rem, 1.4rem);
  color: var(--ink);
  letter-spacing: -0.014em;
  line-height: 1.15;
  margin-bottom: 6px;
}
.principle__body {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* 06. SIGNALS — bento-style grid */
.signals-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 2vw, 24px);
  margin-top: 48px;
}
.signal-card {
  background: var(--paper-deeper);
  padding: clamp(28px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 260px;
  transition: background-color 300ms;
}
.signal-card:hover {
  background: var(--paper-edge);
}
.signal-card__icon {
  width: 32px;
  height: 32px;
  color: var(--accent);
  margin-bottom: 24px;
}
.signal-card__icon svg {
  width: 32px;
  height: 32px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.signal-card__title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1rem, 0.6vw + 0.5rem, 1.2rem);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 10px;
}
.signal-card__body {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* DARK MODE */
html.dark .pillars-section { background: oklch(0.150 0.015 260); }
html.dark .method-section { background: oklch(0.070 0.022 260); }
html.dark .signal-card { background: oklch(0.150 0.015 260); }
html.dark .signal-card:hover { background: oklch(0.180 0.015 260); }
html.dark .principle__letter { background: oklch(0.150 0.015 260); }
html.dark .founder-monogram { background: oklch(0.150 0.015 260); border-color: oklch(1 0 0 / 0.08); }
html.dark .founder-photo { background: oklch(0.150 0.015 260); border-color: oklch(1 0 0 / 0.08); }

/* Smooth transitions */
.pillar-card,
.signal-card,
.principle__letter {
  transition:
    background-color 320ms var(--ease-out-strong),
    border-color 320ms var(--ease-out-strong);
}

/* RESPONSIVE */
@media (max-width: 1100px) {
  .pillars-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .founder-grid { grid-template-columns: 1fr; }
  .founder-portrait { justify-content: flex-start; }
  .founder-monogram { width: 140px; height: 140px; font-size: 3.5rem; }
  .founder-photo { width: 140px; height: 140px; }
  .philosophy-grid { grid-template-columns: 1fr; }
  .philosophy-grid__body { border-left: none; padding-left: 0; border-top: 1px solid var(--rule); padding-top: 24px; }
  .pillars-grid { grid-template-columns: 1fr 1fr; }
  .method-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .principles-grid { grid-template-columns: 1fr; }
  .signals-grid { grid-template-columns: 1fr; }
}
@media (max-width: 540px) {
  .about-hero { padding-top: clamp(130px, 16vh, 180px); }
  .about-hero .hero-headline { font-size: clamp(1.9rem, 7vw, 2.6rem); }
  .pillars-grid { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: 1fr; }
  .principle__letter { width: 40px; height: 40px; font-size: 15px; }
}