/* ==========================================================================
   SKAYL – Modern Defense-Tech Build
   ==========================================================================
   Cleaner, sharper, less reading. Confident negative space.
   Inter Display for headlines, Söhne-vibe via Inter for UI, IBM Plex Mono.
   White paper. Sharp ink. Gold as a discipline, not decoration.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=IBM+Plex+Mono:wght@400;500;600&family=Inter+Tight:wght@300;400;500;600;700;800;900&display=swap');

:root {
  /* Palette */
  --gold: #B8893A;
  --gold-bright: #D4A552;
  --ink: #0A0A0A;
  --ink-soft: #1A1A1A;
  --paper: #FFFFFF;
  --paper-dim: #F7F7F5;
  --paper-warm: #F2F1ED;
  --rule: #E5E5E2;
  --rule-dark: #2A2A28;
  --body: #1A1A1A;
  --body-mute: #6E6E6A;
  --body-dim: #A0A09A;

  --teal-data: #2D8470;
  --rust-app: #B5453A;
  --amber-msg: #C19A3E;

  /* Type */
  --font-display: 'Inter Tight', -apple-system, sans-serif;
  --font-ui: 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'JetBrains Mono', monospace;

  /* Layout */
  --max-w: 1320px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-ui);
  font-size: 17px;
  line-height: 1.5;
  color: var(--body);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--rule);
}

.site-header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  height: 28px;
}

.brand__logo {
  height: 24px;
  width: auto;
  display: block;
}

/* keep .brand__mark in case any legacy reference exists, but unused now */
.brand__mark { display: none; }

.nav {
  display: flex;
  gap: 2.25rem;
  align-items: center;
}

.nav a {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: -0.005em;
  color: var(--body-mute);
  text-decoration: none;
  transition: color 0.15s ease;
}
.nav a:hover, .nav a.is-active { color: var(--ink); }

.nav__cta {
  font-family: var(--font-ui) !important;
  font-weight: 600 !important;
  padding: 0.55rem 1rem;
  background: var(--ink);
  color: var(--paper) !important;
  border-radius: 999px;
  transition: background 0.15s !important;
}
.nav__cta:hover { background: var(--gold); }

@media (max-width: 720px) {
  .nav { gap: 1rem; }
  .nav a:not(.nav__cta) { display: none; }
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

section { padding: clamp(4rem, 8vw, 7rem) 0; }
section.tight { padding: clamp(3rem, 5vw, 4.5rem) 0; }

/* ==========================================================================
   Type system
   ========================================================================== */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--gold);
}

.h-display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: -0.035em;
  color: var(--ink);
  font-size: clamp(2.75rem, 7.5vw, 6rem);
}
.h-display .accent { color: var(--gold); font-weight: 700; }
.h-display .light { font-weight: 300; }

.h-section {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--ink);
  font-size: clamp(2.25rem, 4.5vw, 3.75rem);
}
.h-section .accent { color: var(--gold); }
.h-section .light { font-weight: 300; }

.h-card {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-size: clamp(1.4rem, 2vw, 1.75rem);
}

.lede {
  font-family: var(--font-ui);
  font-weight: 400;
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  line-height: 1.45;
  color: var(--body-mute);
  max-width: 56ch;
  letter-spacing: -0.005em;
}

.body { font-size: 17px; line-height: 1.55; color: var(--body); }
.body--mute { color: var(--body-mute); }

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.005em;
  text-decoration: none;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary:hover { background: var(--gold); }

.btn--ghost { background: transparent; color: var(--ink); border-color: var(--rule-dark); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.btn--gold { background: var(--gold); color: var(--ink); }
.btn--gold:hover { background: var(--ink); color: var(--gold-bright); }

.btn::after {
  content: "→";
  font-weight: 400;
  transition: transform 0.18s;
  margin-left: -0.1rem;
}
.btn:hover::after { transform: translateX(3px); }

.btn-row { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* ==========================================================================
   Hero – homepage
   ========================================================================== */

.hero {
  padding: clamp(5rem, 12vw, 10rem) 0 clamp(3rem, 7vw, 6rem);
  position: relative;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.hero__tagline {
  margin: 1.5rem 0 1.5rem;
  max-width: 16ch;
}

.hero__sub {
  font-family: var(--font-ui);
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  line-height: 1.4;
  color: var(--body);
  max-width: 48ch;
  margin-bottom: 2.25rem;
  font-weight: 400;
  letter-spacing: -0.005em;
}
.hero__sub strong { font-weight: 600; }

.hero__operating {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--body-dim);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.hero__operating-line {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-transform: none;
}

/* Hero side ornament – large mark in negative space */
.hero__ornament {
  position: absolute;
  top: 50%;
  right: var(--gutter);
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--body-dim);
  text-transform: uppercase;
  writing-mode: vertical-rl;
  display: none;
}
@media (min-width: 1100px) { .hero__ornament { display: block; } }

/* ==========================================================================
   Problem statement – short, punchy
   ========================================================================== */

.problem {
  background: var(--ink);
  color: var(--paper);
}
.problem .eyebrow { color: var(--gold); }
.problem .eyebrow::before { background: var(--gold); }

.problem__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
}
@media (min-width: 880px) {
  .problem__grid { grid-template-columns: 5fr 7fr; align-items: end; }
}

.problem__head .h-section { color: var(--paper); }

.problem__list {
  list-style: none;
  display: grid;
  gap: 0;
}
.problem__list li {
  padding: 1.1rem 0;
  border-top: 1px solid var(--rule-dark);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: baseline;
}
.problem__list li:last-child { border-bottom: 1px solid var(--rule-dark); }
.problem__list .num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.04em;
}
.problem__list .text {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.1rem, 1.4vw, 1.3rem);
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: rgba(255,255,255,0.9);
}

/* ==========================================================================
   Mechanism – diagram only, minimal text
   ========================================================================== */

.mechanism { background: var(--paper); }

.mech-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}
@media (min-width: 880px) {
  .mech-head { grid-template-columns: 7fr 5fr; align-items: end; }
}

.diagram {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  position: relative;
}
@media (min-width: 760px) {
  .diagram { grid-template-columns: 1fr 1.3fr 1fr; }
}

.diagram__col {
  background: var(--paper);
  padding: 2rem 1.75rem;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.diagram__col--center { background: var(--ink); color: var(--paper); }
.diagram__col--center::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold);
}

.diagram__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--body-dim);
  margin-bottom: 1.25rem;
}
.diagram__col--center .diagram__label { color: var(--gold); }

.diagram__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  color: var(--ink);
}
.diagram__col--center .diagram__title { color: var(--paper); }

.diagram__list {
  list-style: none;
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.6;
  color: var(--body-mute);
}
.diagram__col--center .diagram__list { color: rgba(255,255,255,0.7); }

.diagram__list li {
  padding: 0.2rem 0;
  position: relative;
  padding-left: 0;
}

.diagram__caption {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--body-dim);
  margin-top: 1.5rem;
}

/* ==========================================================================
   Scaling – Big-O cards, bigger and more graphic
   ========================================================================== */

.scaling { background: var(--ink); color: var(--paper); position: relative; }
.scaling .h-section { color: var(--paper); }
.scaling .lede { color: rgba(255,255,255,0.6); }

.scale-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rule-dark);
  border: 1px solid var(--rule-dark);
}
@media (min-width: 760px) { .scale-grid { grid-template-columns: repeat(3, 1fr); } }

.scale-card {
  background: var(--ink);
  padding: 2.25rem 2rem 2.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
  min-height: 380px;
}

.scale-card__top {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.scale-card--app .scale-card__top { background: var(--rust-app); }
.scale-card--msg .scale-card__top { background: var(--amber-msg); }
.scale-card--data .scale-card__top { background: var(--teal-data); }

.scale-card__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 1rem;
}

.scale-card__big {
  font-family: var(--font-display);
  font-size: clamp(4rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 0.85;
  letter-spacing: -0.06em;
  margin-bottom: 0.75rem;
}
.scale-card--app .scale-card__big { color: var(--rust-app); }
.scale-card--msg .scale-card__big { color: var(--amber-msg); }
.scale-card--data .scale-card__big { color: var(--teal-data); }

.scale-card__sub {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 1.75rem;
}

.scale-card__body {
  font-size: 15px;
  line-height: 1.5;
  color: rgba(255,255,255,0.78);
  margin-bottom: 1.5rem;
  flex: 1;
}

.scale-card__verdict {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255,255,255,0.95);
  padding-top: 1rem;
  border-top: 1px solid var(--rule-dark);
  letter-spacing: -0.01em;
}
.scale-card--data .scale-card__verdict {
  color: var(--gold-bright);
  font-weight: 700;
}

/* ==========================================================================
   Audience callouts – three-up
   ========================================================================== */

.audiences { background: var(--paper); }

.aud-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
@media (min-width: 880px) {
  .aud-grid { grid-template-columns: repeat(3, 1fr); border-top: none; }
}

.aud-card {
  padding: 2.5rem 0 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 880px) {
  .aud-card { padding: 0 2.25rem 0 2.25rem; min-height: 360px; border-bottom: none; border-right: 1px solid var(--rule); }
  .aud-card:first-child { padding-left: 0; }
  .aud-card:last-child { padding-right: 0; border-right: none; }
}

.aud-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.aud-card__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--body-mute);
  margin-bottom: 1.25rem;
}

.aud-card__hook {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.7vw, 1.55rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 1.25rem;
}

.aud-card__body {
  font-size: 15px;
  line-height: 1.55;
  color: var(--body-mute);
  margin-bottom: 1.5rem;
  flex: 1;
}

.aud-card__link {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  align-self: flex-start;
  letter-spacing: -0.005em;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 1px;
  transition: all 0.15s;
}
.aud-card__link::after { content: "→"; }
.aud-card__link:hover { color: var(--gold); border-bottom-color: var(--gold); }

/* ==========================================================================
   Proof – UAS comparison
   ========================================================================== */

.proof { background: var(--paper-dim); }

.proof__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 3.5rem;
}
@media (min-width: 880px) {
  .proof__head { grid-template-columns: 7fr 5fr; align-items: end; }
}

.proof__compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (min-width: 760px) {
  .proof__compare { grid-template-columns: 1fr 1fr; }
}

.proof__side {
  background: var(--paper);
  padding: clamp(2rem, 3.5vw, 2.75rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 300px;
}
.proof__side--alt { background: var(--ink); color: var(--paper); }

.proof__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--body-mute);
  margin-bottom: 0.5rem;
}
.proof__side--alt .proof__label { color: var(--gold); }

.proof__money {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin-bottom: 0.5rem;
}
.proof__side--alt .proof__money { color: var(--paper); }

.proof__time {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--body);
}
.proof__side--alt .proof__time { color: rgba(255,255,255,0.85); }

.proof__time-detail {
  display: block;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 400;
  color: var(--body-mute);
  margin-top: 0.25rem;
  letter-spacing: -0.005em;
}
.proof__side--alt .proof__time-detail { color: rgba(255,255,255,0.55); }

.proof__result {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.5;
  color: var(--body);
}
.proof__side--alt .proof__result {
  border-color: var(--rule-dark);
  color: rgba(255,255,255,0.85);
}
.proof__result strong { color: var(--gold); font-weight: 600; }

.proof__msftb {
  margin-top: 3.5rem;
  padding: 2.25rem;
  background: var(--ink);
  color: var(--paper);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: center;
}
@media (min-width: 720px) {
  .proof__msftb { grid-template-columns: auto 1fr auto; }
}

.proof__msftb-stat {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--paper);
}
.proof__msftb-stat span {
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--gold);
  margin-left: 0.4rem;
  letter-spacing: -0.01em;
}

.proof__msftb-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.4;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  letter-spacing: -0.01em;
  max-width: 50ch;
}
.proof__msftb-text .label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   Standards bar – minimal, functional
   ========================================================================== */

.standards-bar {
  background: var(--gold);
  padding: 1.25rem var(--gutter);
  text-align: center;
}

.standards-bar__inner {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--ink);
  line-height: 1.7;
}

.standards-bar__lead {
  font-weight: 600;
  color: var(--ink);
  margin-right: 1.25rem;
  padding-right: 1.25rem;
  border-right: 1px solid rgba(0,0,0,0.25);
  text-transform: uppercase;
}

.standards-bar__inner span:not(.standards-bar__lead) {
  display: inline-block;
  margin: 0 0.4rem;
  text-transform: uppercase;
}

/* ==========================================================================
   Programs strip – minimal
   ========================================================================== */

.programs { background: var(--paper); }

.programs__list {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
@media (min-width: 760px) {
  .programs__list { grid-template-columns: repeat(3, 1fr); border-top: none; }
}

.programs__item {
  padding: 2rem 0;
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 760px) {
  .programs__item { padding: 0 2rem; border-bottom: none; border-right: 1px solid var(--rule); padding-top: 0; padding-bottom: 0; min-height: 130px; display: flex; flex-direction: column; justify-content: center; }
  .programs__item:first-child { padding-left: 0; }
  .programs__item:last-child { padding-right: 0; border-right: none; }
}

.programs__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0.4rem;
}

.programs__detail {
  font-size: 14px;
  line-height: 1.5;
  color: var(--body-mute);
}

.programs__creds {
  margin-top: 3rem;
  font-size: 14px;
  line-height: 1.55;
  color: var(--body-mute);
  max-width: 70ch;
}

/* ==========================================================================
   CTA
   ========================================================================== */

.cta-final {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(5rem, 9vw, 8rem) 0;
  text-align: center;
}

.cta-final .h-section {
  color: var(--paper);
  margin-bottom: 1rem;
  max-width: 18ch;
  margin-left: auto;
  margin-right: auto;
}

.cta-final p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.65);
  max-width: 48ch;
  margin: 0 auto 2.5rem;
  line-height: 1.5;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.6);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--rule-dark);
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--rule-dark);
}
@media (min-width: 760px) {
  .site-footer__top { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.site-footer__brand {
  display: inline-block;
  margin-bottom: 1rem;
}

.site-footer__brand img {
  height: 22px;
  width: auto;
  display: block;
  filter: invert(1) brightness(1.05);
}

.site-footer__address {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,0.5);
  font-family: var(--font-ui);
}
.site-footer__address a { color: var(--gold); text-decoration: none; }

.site-footer__col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 1rem;
}
.site-footer__col ul { list-style: none; }
.site-footer__col li { margin-bottom: 0.4rem; }
.site-footer__col a {
  font-family: var(--font-ui);
  font-size: 14px;
  color: rgba(255,255,255,0.78);
  text-decoration: none;
  transition: color 0.15s;
}
.site-footer__col a:hover { color: var(--gold); }

.site-footer__bottom {
  padding-top: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ==========================================================================
   Products page
   ========================================================================== */

.products-hero {
  padding: clamp(5rem, 11vw, 9rem) 0 clamp(3rem, 6vw, 5rem);
}

.product-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 880px) {
  .product-block { grid-template-columns: 6fr 6fr; gap: 4.5rem; }
  .product-block--reverse .product-block__visual { order: -1; }
}
.product-block:last-child { border-bottom: none; }

.product-block__name {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.product-block__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 3.5vw, 3rem);
  line-height: 0.98;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 1.25rem;
}

.product-block__lede {
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.35;
  font-weight: 500;
  color: var(--body);
  margin-bottom: 1.5rem;
  letter-spacing: -0.015em;
}

.product-block__body {
  font-size: 16px;
  line-height: 1.55;
  color: var(--body-mute);
  margin-bottom: 1.75rem;
}

.product-block__visual {
  background: var(--paper-dim);
  padding: 2rem;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  position: relative;
  border: 1px solid var(--rule);
}
.product-block__visual::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--gold);
}

.feature-list { list-style: none; margin-top: 0.5rem; }
.feature-list li {
  position: relative;
  padding: 0.85rem 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--body);
  border-bottom: 1px solid var(--rule);
  letter-spacing: -0.005em;
}
.feature-list li:last-child { border-bottom: none; }

/* ==========================================================================
   Primes page
   ========================================================================== */

.primes-hero { padding: clamp(5rem, 11vw, 9rem) 0 clamp(3rem, 7vw, 6rem); }

.primes-hero__big {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: -0.035em;
  color: var(--ink);
  margin: 1.5rem 0;
  max-width: 18ch;
}
.primes-hero__big .accent { color: var(--gold); }

.econ-table {
  margin: 3.5rem 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (min-width: 760px) { .econ-table { grid-template-columns: 1fr 1fr; } }

.econ-cell {
  padding: 2.5rem 2rem;
  background: var(--paper);
  display: flex;
  flex-direction: column;
}
.econ-cell--alt { background: var(--ink); color: var(--paper); }

.econ-cell__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--body-mute);
  margin-bottom: 1.25rem;
}
.econ-cell--alt .econ-cell__label { color: var(--gold); }

.econ-cell__model {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: 1.25rem;
}
.econ-cell--alt .econ-cell__model { color: var(--paper); }

.econ-cell__detail {
  font-size: 15px;
  line-height: 1.55;
  color: var(--body-mute);
}
.econ-cell--alt .econ-cell__detail { color: rgba(255,255,255,0.7); }

.det-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (min-width: 760px) { .det-grid { grid-template-columns: 1fr 1fr; } }

.det-card {
  background: var(--paper);
  padding: 2rem 1.75rem;
}

.det-card__num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.det-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.det-card__body {
  font-size: 14px;
  line-height: 1.55;
  color: var(--body-mute);
}

/* Outcomes – for primes */
.outcomes-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
@media (min-width: 880px) {
  .outcomes-grid { grid-template-columns: 1fr 1fr; gap: 0; border-top: none; }
}

.outcome {
  padding: 2rem 0;
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 880px) {
  .outcome { padding: 2rem 2rem; border-right: 1px solid var(--rule); }
  .outcome:nth-child(2n) { border-right: none; }
  .outcome:nth-last-child(-n+2) { border-bottom: none; }
  .outcome:nth-child(odd) { padding-left: 0; }
  .outcome:nth-child(even) { padding-right: 0; }
}

.outcome__num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.outcome__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--body-mute);
  margin: 0.5rem 0 1rem;
}

.outcome__hook {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.outcome__body {
  font-size: 14px;
  line-height: 1.55;
  color: var(--body-mute);
}

.prime-callout {
  margin-top: 3rem;
  padding: 2.5rem;
  background: var(--ink);
  color: var(--paper);
}
.prime-callout .eyebrow { color: var(--gold); }
.prime-callout p {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.5vw, 1.4rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: rgba(255,255,255,0.92);
  max-width: 60ch;
  margin-top: 1.25rem;
}

/* ==========================================================================
   About page
   ========================================================================== */

.about-mission {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 880px) {
  .about-mission { grid-template-columns: 5fr 7fr; gap: 5rem; align-items: start; }
}

.mission-quote {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
  max-width: 14ch;
}
.mission-quote::before {
  content: "";
  display: block;
  width: 32px;
  height: 2px;
  background: var(--gold);
  margin-bottom: 1.5rem;
}

.mission-body {
  font-size: 16px;
  line-height: 1.65;
  color: var(--body);
}
.mission-body p + p { margin-top: 1.25rem; }

.leadership-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
@media (min-width: 760px) {
  .leadership-grid { grid-template-columns: 1fr 1fr; border-top: none; }
}

.leader {
  padding: 2.5rem 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: start;
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 760px) {
  .leader { padding: 0 2.5rem; min-height: 240px; align-items: center; border-right: 1px solid var(--rule); border-bottom: none; }
  .leader:first-child { padding-left: 0; }
  .leader:last-child { padding-right: 0; border-right: none; }
}

.leader__photo {
  width: 88px;
  height: 88px;
  background: var(--ink);
  background-size: cover;
  background-position: center top;
  filter: grayscale(100%) contrast(1.05);
  flex-shrink: 0;
}

.leader__name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.leader__title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0.25rem 0 0.85rem;
}

.leader__bio {
  font-size: 14px;
  line-height: 1.55;
  color: var(--body-mute);
}

/* ==========================================================================
   Utility
   ========================================================================== */

.text-center { text-align: center; }
::selection { background: var(--gold); color: var(--ink); }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* Hero entrance */
@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero .eyebrow,
.hero__tagline,
.hero__sub,
.btn-row,
.hero__operating {
  animation: rise 0.6s cubic-bezier(0.2, 0.7, 0.2, 1) backwards;
}
.hero .eyebrow { animation-delay: 0.05s; }
.hero__tagline { animation-delay: 0.12s; }
.hero__sub { animation-delay: 0.24s; }
.btn-row { animation-delay: 0.36s; }
.hero__operating { animation-delay: 0.48s; }

/* ==========================================================================
   CinC Visual Section – before/after + how-it-works
   ========================================================================== */

.cinc-vis {
  background: var(--paper-dim);
  padding: clamp(4rem, 7vw, 6rem) 0;
}

.cinc-vis__compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-top: 3rem;
}
@media (min-width: 760px) {
  .cinc-vis__compare { grid-template-columns: 1fr 1fr; }
}

.cinc-vis__panel {
  background: var(--paper);
  padding: clamp(1.75rem, 2.5vw, 2.25rem);
  display: flex;
  flex-direction: column;
}
.cinc-vis__panel--good { background: var(--ink); color: var(--paper); }

.cinc-vis__panel-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--rust-app);
  margin-bottom: 0.75rem;
}
.cinc-vis__panel--good .cinc-vis__panel-label { color: var(--gold); }

.cinc-vis__panel-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 1.5rem;
}
.cinc-vis__panel--good .cinc-vis__panel-title { color: var(--paper); }

.cinc-vis__svg {
  width: 100%;
  height: 240px;
  margin-bottom: 1.5rem;
  display: block;
}

.cinc-vis__pts {
  list-style: none;
  margin-top: auto;
  padding: 0;
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
}
.cinc-vis__panel--good .cinc-vis__pts { border-color: var(--rule-dark); }

.cinc-vis__pts li {
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.5;
  color: var(--body);
  padding: 0.45rem 0 0.45rem 1.5rem;
  position: relative;
}
.cinc-vis__panel--good .cinc-vis__pts li { color: rgba(255,255,255,0.85); }

.cinc-vis__pts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 8px;
  height: 8px;
  background: var(--rust-app);
}
.cinc-vis__panel--good .cinc-vis__pts li::before { background: var(--gold); }

.cinc-vis__verdict {
  margin-top: 2rem;
  padding: 1.5rem 1.75rem;
  background: var(--ink);
  color: var(--paper);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}
@media (min-width: 760px) {
  .cinc-vis__verdict { grid-template-columns: auto 1fr; gap: 1.75rem; align-items: center; }
}

.cinc-vis__verdict-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
}

.cinc-vis__verdict-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: rgba(255,255,255,0.95);
}

/* Three-step flow */
.cinc-vis__steps {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (min-width: 760px) {
  .cinc-vis__steps { grid-template-columns: repeat(3, 1fr); }
}

.cinc-vis__step {
  background: var(--paper);
  padding: 1.75rem 1.5rem;
}

.cinc-vis__step-num {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.cinc-vis__step-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 0.4rem;
}

.cinc-vis__step-body {
  font-size: 14px;
  line-height: 1.55;
  color: var(--body-mute);
}

.cinc-vis__steps-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--body-mute);
  margin-top: 3rem;
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   PHENOM pipeline visual (inputs → engine → outputs)
   ========================================================================== */

.phenom-vis {
  margin-bottom: 1.25rem;
}

.phenom-vis__svg {
  width: 100%;
  height: auto;
  display: block;
}

.phenom-vis__caption {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--body-mute);
  text-align: center;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
}