/* Strategic Supply Group - site styles
   Palette locked to the Mini Brand Color Sheet. */

:root {
  --navy: #0D2436;
  --blue: #155F86;
  --cyan: #19A8E6;
  --charcoal: #1C1C1C;
  --orange: #F28C28;
  --white: #FFFFFF;
  --soft: #F9FBFC;

  --ink: #14212B;
  --ink-soft: #46606F;
  --rule: #D7E2E9;
  --rule-soft: #E7EEF3;
  --panel: #FFFFFF;
  --ground: #F9FBFC;

  --measure: 66ch;
  --shell: 1160px;
  --pad: clamp(20px, 4vw, 48px);

  --step--1: clamp(0.82rem, 0.80rem + 0.10vw, 0.88rem);
  --step-0: clamp(1.0rem, 0.97rem + 0.15vw, 1.09rem);
  --step-1: clamp(1.18rem, 1.10rem + 0.35vw, 1.35rem);
  --step-2: clamp(1.45rem, 1.30rem + 0.70vw, 1.85rem);
  --step-3: clamp(1.85rem, 1.55rem + 1.30vw, 2.6rem);
  --step-4: clamp(2.35rem, 1.80rem + 2.40vw, 3.9rem);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  color: var(--navy);
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin: 0;
  font-weight: 700;
}

p { margin: 0; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.eyebrow {
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
  margin: 0;
}
.eyebrow.on-dark { color: var(--cyan); }

.lede { font-size: var(--step-1); color: var(--ink-soft); max-width: var(--measure); }

/* ---------- header ---------- */

.site-head {
  background: var(--navy);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
.site-head .shell {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 74px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--white); margin-right: auto; }
.brand img { width: auto; height: 52px; }
.foot-logo { width: auto; height: 78px; margin-bottom: 10px; }
@media (max-width: 520px) { .brand img { height: 42px; } }
.brand svg { width: 34px; height: 38px; flex: none; }
.brand-name {
  font-family: Archivo, Helvetica, Arial, sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  line-height: 1.15;
}
.brand-name span { display: block; font-family: "IBM Plex Mono", monospace; font-weight: 400; font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan); margin-top: 3px; }

.nav { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.nav a {
  color: rgba(255,255,255,0.86);
  text-decoration: none;
  font-size: 0.92rem;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--white); border-bottom-color: var(--cyan); }
.nav a.current { color: var(--white); border-bottom-color: var(--orange); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: Archivo, Helvetica, Arial, sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  padding: 13px 22px;
  border-radius: 2px;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 120ms ease, background-color 120ms ease, color 120ms ease;
}
.btn-primary { background: var(--orange); color: #21160A; }
.btn-primary:hover { transform: translateY(-1px); background: #FF9C39; }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-ghost:hover { background: var(--navy); color: var(--white); }
.btn-ghost.on-dark { color: var(--white); border-color: rgba(255,255,255,0.55); }
.btn-ghost.on-dark:hover { background: var(--white); color: var(--navy); }
.btn-sm { padding: 9px 16px; font-size: 0.88rem; }

/* ---------- sections ---------- */

.band { padding-block: clamp(52px, 8vw, 96px); }
.band-tight { padding-block: clamp(38px, 5vw, 62px); }
.band-dark { background: var(--navy); color: rgba(255,255,255,0.86); }
.band-dark h2, .band-dark h3 { color: var(--white); }
.band-panel { background: var(--white); border-block: 1px solid var(--rule-soft); }

.section-head { display: flex; flex-direction: column; gap: 12px; margin-bottom: 36px; max-width: var(--measure); }
.section-head h2 { font-size: var(--step-3); }
.section-head p { color: var(--ink-soft); }
.band-dark .section-head p { color: rgba(255,255,255,0.78); }

/* ---------- hero ---------- */

.hero {
  background:
    radial-gradient(1100px 520px at 82% -10%, rgba(25,168,230,0.30), transparent 60%),
    linear-gradient(150deg, var(--navy) 0%, #103247 45%, var(--blue) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}
.hero .shell { padding-block: clamp(64px, 10vw, 118px); position: relative; z-index: 2; }
.hero h1 { color: var(--white); font-size: var(--step-4); max-width: 15ch; margin-top: 18px; }
.hero .lede { color: rgba(255,255,255,0.84); margin-top: 22px; max-width: 56ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}
.portrait { margin: 0; position: relative; }
.portrait img {
  width: 100%;
  max-width: 380px;
  margin-inline: auto;
  border: 1px solid rgba(255,255,255,0.22);
  box-shadow: 0 26px 60px rgba(4,14,22,0.45);
}
.portrait figcaption {
  max-width: 380px;
  margin: 14px auto 0;
  border-left: 3px solid var(--orange);
  padding-left: 14px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  color: var(--white);
  line-height: 1.5;
}
.portrait figcaption span { display: block; color: var(--cyan); font-size: 0.72rem; letter-spacing: 0.08em; }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .portrait { order: -1; }
  .portrait img { max-width: 240px; margin-inline: 0; }
  .portrait figcaption { margin-inline: 0; }
}

.portrait-square {
  width: 100%;
  border: 1px solid var(--rule);
  box-shadow: 0 16px 40px rgba(13,36,54,0.18);
}

.hero-mark {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: min(520px, 46vw);
  opacity: 0.13;
  pointer-events: none;
  z-index: 1;
}

.page-head {
  background: linear-gradient(160deg, var(--navy), #123B54);
  color: var(--white);
  border-bottom: 4px solid var(--cyan);
}
.page-head .shell { padding-block: clamp(46px, 7vw, 76px); }
.page-head h1 { color: var(--white); font-size: var(--step-3); margin-top: 14px; }
.page-head p { color: rgba(255,255,255,0.82); margin-top: 16px; max-width: var(--measure); }

/* ---------- facts strip ---------- */

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  border-top: 1px solid var(--rule);
}
.fact { padding: 26px; border-right: 1px solid var(--rule); }
.fact:first-child { padding-left: 0; }
.fact:last-child { border-right: 0; }
.fact dt {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.fact dd {
  margin: 8px 0 0;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: var(--step-2);
  font-weight: 700;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

/* ---------- generic grids ---------- */

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(272px, 1fr)); }

.card {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--blue);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.card h3 { font-size: var(--step-1); }
.card p { color: var(--ink-soft); font-size: 0.97rem; }
.card ul { margin: 0; padding-left: 18px; color: var(--ink-soft); font-size: 0.95rem; }
.card li { margin-bottom: 5px; }
.card .card-tag {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
}

/* ---------- tier table ---------- */

.tiers { display: grid; gap: 0; border: 1px solid var(--rule); background: var(--panel); }
.tier {
  display: grid;
  grid-template-columns: minmax(190px, 250px) 1fr minmax(180px, 230px);
  gap: 20px;
  padding: 26px;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}
.tier:last-child { border-bottom: 0; }
.tier-name { display: flex; flex-direction: column; gap: 8px; }
.tier-name h3 { font-size: var(--step-1); }
.tier-step {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}
.tier p { color: var(--ink-soft); font-size: 0.97rem; }
.tier-terms {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  color: var(--ink-soft);
  line-height: 1.7;
  border-left: 2px solid var(--rule);
  padding-left: 16px;
}
.tier.is-lead { background: #F2F9FD; border-left: 4px solid var(--orange); }

@media (max-width: 780px) {
  .tier { grid-template-columns: 1fr; }
  .tier-terms { border-left: 0; border-top: 1px solid var(--rule); padding-left: 0; padding-top: 12px; }
}

/* ---------- callouts ---------- */

.callout {
  background: #EFF6FB;
  border: 1px solid #CFE3F1;
  border-left: 4px solid var(--orange);
  color: var(--ink);
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 78ch;
}
.callout h3 { font-size: var(--step-1); }
.callout p { color: #33505F; }

.note {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ---------- list of proof ---------- */

.proof-list { display: grid; gap: 0; border-top: 1px solid var(--rule); }
.proof-item {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
}
.proof-item h3 { font-size: 1.02rem; letter-spacing: 0; }
.proof-item p { color: var(--ink-soft); font-size: 0.97rem; margin-top: 8px; }
.proof-kind {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  padding-top: 3px;
}
@media (max-width: 720px) { .proof-item { grid-template-columns: 1fr; gap: 8px; } }

/* ---------- split ---------- */

.split { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }
.stack { display: flex; flex-direction: column; gap: 18px; }
.stack p { color: var(--ink-soft); max-width: var(--measure); }
.band-dark .stack p { color: rgba(255,255,255,0.80); }

.checks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.checks li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; color: var(--ink-soft); }
.checks li::before {
  content: "";
  width: 12px; height: 12px;
  margin-top: 7px;
  background: var(--cyan);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}
.band-dark .checks li { color: rgba(255,255,255,0.82); }

/* ---------- podcast ---------- */

.pod-hero { display: grid; grid-template-columns: 280px 1fr; gap: 32px; align-items: center; }
@media (max-width: 720px) { .pod-hero { grid-template-columns: 1fr; } }
.pod-art {
  aspect-ratio: 1;
  background: #0B0E12;
  display: grid;
  place-items: center;
  padding: 10px;
  border: 1px solid var(--rule);
  border-radius: 4px;
}
.pod-art img { width: 100%; height: auto; }

.book { display: grid; grid-template-columns: 240px 1fr; gap: clamp(26px, 5vw, 56px); align-items: start; }
.book-cover { width: 100%; height: auto; border: 1px solid var(--rule); box-shadow: 0 14px 34px rgba(13,36,54,0.16); }
.book h2 { font-size: var(--step-2); }
@media (max-width: 720px) { .book { grid-template-columns: 1fr; } .book-cover { max-width: 240px; } }

.book-card {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 22px;
  align-items: start;
  background: var(--panel);
  border: 1px solid var(--rule);
  padding: 22px;
}
.book-card img { width: 100%; height: auto; border: 1px solid var(--rule); box-shadow: 0 8px 20px rgba(13,36,54,0.14); }
.book-card h3 { font-size: 1.08rem; }
.book-card p { color: var(--ink-soft); font-size: 0.95rem; }
.book-card .stack { gap: 12px; align-items: flex-start; }
.book-card .btn { align-self: flex-start; }

.nav-cta { margin-left: 6px; }
@media (max-width: 1180px) { .nav-cta { font-size: 0.8rem; padding: 8px 12px; } }

/* ---------- mobile navigation ---------- */

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 2px;
  color: var(--white);
  font-family: Archivo, Helvetica, Arial, sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 11px 15px;
  min-height: 44px;
  cursor: pointer;
}
.nav-toggle-bars {
  position: relative;
  width: 17px;
  height: 2px;
  background: var(--cyan);
  display: block;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 17px;
  height: 2px;
  background: var(--cyan);
}
.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }
.site-head.is-open .nav-toggle-bars { background: transparent; }
.site-head.is-open .nav-toggle-bars::before { top: 0; transform: rotate(45deg); }
.site-head.is-open .nav-toggle-bars::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 900px) {
  .site-head .shell { flex-wrap: wrap; min-height: 66px; padding-block: 10px; }
  .brand { margin-right: auto; }
  .nav-toggle { display: inline-flex; }
  .nav {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-top: 1px solid rgba(255,255,255,0.14);
    margin-top: 10px;
    padding-top: 4px;
  }
  .site-head.is-open .nav { display: flex; }
  .nav a {
    padding: 14px 2px;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.10);
  }
  .nav a:hover, .nav a.current { border-bottom-color: rgba(255,255,255,0.10); }
  .nav a.current { color: var(--orange); }
  .nav-cta {
    margin: 14px 0 8px;
    justify-content: center;
    font-size: 0.92rem;
    padding: 14px 16px;
    border-bottom: 0;
  }
  .nav-cta:hover { border-bottom: 0; }
}

/* comfortable tap targets in the footer on touch screens */
@media (max-width: 760px) {
  .foot-col a { padding-block: 7px; }
}

.foot-form { width: 100%; }
.foot-form input {
  border-color: rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.07);
  color: var(--white);
  flex: 1 1 120px;
}
.foot-form input::placeholder { color: rgba(255,255,255,0.5); }
.foot-col .form-status { color: var(--cyan); font-size: 0.82rem; }
.pod-art span {
  font-family: Archivo, Helvetica, Arial, sans-serif;
  font-weight: 700;
  font-size: 1.28rem;
  line-height: 1.1;
  color: var(--white);
  letter-spacing: -0.01em;
}
.pod-art small {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-top: 10px;
  font-weight: 400;
}
.episodes { display: grid; gap: 0; border-top: 1px solid var(--rule); }
.episode {
  display: grid;
  grid-template-columns: 84px 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}
.episode-no {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}
.episode h3 { font-size: 1.02rem; letter-spacing: 0; }
.episode p { color: var(--ink-soft); font-size: 0.93rem; margin-top: 6px; }
.pill {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 10px;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  white-space: nowrap;
}
@media (max-width: 640px) { .episode { grid-template-columns: 1fr; gap: 8px; } }

/* ---------- forms ---------- */

.form { display: grid; gap: 16px; background: var(--panel); border: 1px solid var(--rule); padding: 26px; align-self: start; }
.form > .btn { justify-self: start; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.field input, .field textarea, .field select {
  font: inherit;
  font-size: 0.97rem;
  color: var(--ink);
  background: var(--soft);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 11px 13px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}
.split > *, .form-row > *, .grid > *, .form > * { min-width: 0; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}
.field textarea { min-height: 130px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 620px) { .form-row { grid-template-columns: 1fr; } }
.form-status { font-size: 0.9rem; color: var(--blue); min-height: 1.2em; }

.inline-form { display: flex; gap: 12px; flex-wrap: wrap; width: min(540px, 100%); }
.inline-form input {
  flex: 1 1 220px;
  min-width: 0;
  font: inherit;
  padding: 13px 14px;
  border-radius: 2px;
  border: 1px solid rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.08);
  color: var(--white);
}
.inline-form input::placeholder { color: rgba(255,255,255,0.55); }

/* ---------- contact rail ---------- */

.contact-rail { display: flex; flex-direction: column; gap: 20px; }
.contact-line { display: flex; flex-direction: column; gap: 4px; }
.contact-line dt {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.contact-line dd { margin: 0; font-size: 1.05rem; }
.contact-line dd a { color: var(--navy); font-weight: 600; text-decoration: none; border-bottom: 2px solid var(--cyan); }

/* ---------- cta band ---------- */

.cta-band {
  background: linear-gradient(120deg, var(--navy), var(--blue));
  color: var(--white);
}
.cta-band h2 { color: var(--white); font-size: var(--step-3); }
.cta-band p { color: rgba(255,255,255,0.84); max-width: 58ch; }
.cta-inner { display: flex; flex-direction: column; gap: 20px; align-items: flex-start; }

/* ---------- footer ---------- */

.site-foot { background: var(--navy); color: rgba(255,255,255,0.68); padding-block: 48px; font-size: 0.9rem; border-top: 4px solid var(--charcoal); }
.site-foot a { color: rgba(255,255,255,0.82); text-decoration: none; }
.site-foot a:hover { color: var(--white); text-decoration: underline; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-col { display: flex; flex-direction: column; gap: 9px; }
.foot-col h4 {
  color: var(--white);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 400;
}
.foot-legal { margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.12); font-size: 0.82rem; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}