/* =====================================================================
   U-S DIGITAL — SHARED DESIGN SYSTEM
   Reused across the homepage and every product page.
   Tokens match the existing ITSM page so the funnel (ad -> homepage ->
   product page) feels like one continuous brand, not a redesign.
   ===================================================================== */

:root {
  /* Brand base */
  --navy-deep: #071629;
  --navy: #0A1F3C;
  --navy-mid: #0C2A4E;
  --ink: #14243D;
  --bg: #F6F7F9;
  --white: #FFFFFF;

  /* Text on light */
  --text-heading: #0A1F3C;
  --text-body: #4C5F78;
  --text-muted: #7A8CA3;
  --border: #E2E8F0;

  /* Text on dark */
  --text-heading-dark: #FFFFFF;
  --text-body-dark: #C6D5E6;
  --text-muted-dark: #8AA2BD;

  /* Premium accent — used sparingly, shared across all products */
  --gold: #E8B547;

  /* Category accents (per product) */
  --accent-itsm: #12B0A0;
  --accent-itsm-bright: #3FD3C0;
  --accent-devops: #2F6FED;
  --accent-devops-bright: #5FA8FF;
  --accent-azure: #0078D4;
  --accent-azure-bright: #50B0E8;

  /* Type */
  --font-display: "Sora", "IBM Plex Sans", sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --radius: 12px;
  --radius-lg: 18px;
  --shadow-card: 0 1px 2px rgba(10,31,60,0.05), 0 12px 28px rgba(10,31,60,0.06);
  --shadow-elevated: 0 20px 50px rgba(10,31,60,0.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; text-wrap: pretty; letter-spacing: -0.01em; }
p { margin: 0; text-wrap: pretty; }
ul { margin: 0; padding: 0; list-style: none; }
a { color: var(--accent-itsm); text-decoration: none; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

.wrap { max-width: 1180px; margin: 0 auto; padding-left: clamp(18px,5vw,64px); padding-right: clamp(18px,5vw,64px); }

/* ---------- Shared header ---------- */
.usd-header {
  background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 55%, var(--navy-mid) 100%);
  color: var(--text-heading-dark);
  padding: 20px clamp(18px,5vw,64px);
  position: relative;
  z-index: 20;
}
.usd-nav {
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between;
  max-width: 1180px; margin: 0 auto;
}
.usd-logo { display: flex; align-items: center; gap: 12px; }
.usd-logo-mark {
  width: 36px; height: 36px; border-radius: 9px;
  background: linear-gradient(135deg, var(--gold), #C9982F);
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; color: var(--navy-deep); font-size: 15px;
}
.usd-logo-text { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.14em; color: #EAF0F7; }
.usd-logo-text b { color: var(--gold); font-weight: 600; }
.usd-nav-links { display: flex; flex-wrap: wrap; gap: clamp(14px,2vw,28px); align-items: center; font-size: 14px; }
.usd-nav-links a { color: #C6D5E6; }
.usd-nav-links a:hover { color: #fff; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-display); font-weight: 700; font-size: 16px;
  padding: 15px 28px; border-radius: 10px; border: none; cursor: pointer;
}
.btn-primary { background: var(--accent-itsm); color: #04211E; box-shadow: 0 12px 28px rgba(18,176,160,0.28); }
.btn-primary:hover { background: var(--accent-itsm-bright); text-decoration: none; }
.btn-outline { border: 1px solid #2C5581; color: #EAF0F7; background: transparent; }
.btn-outline:hover { background: rgba(255,255,255,0.06); text-decoration: none; }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--navy-mid); text-decoration: none; }

/* ---------- Product card (Part 6) ---------- */
.product-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px;
}
.product-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-card); display: flex; flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.product-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-elevated); }
.product-card-cover { aspect-ratio: 16/11; background: var(--navy); overflow: hidden; position: relative; }
.product-card-cover img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.product-card-badge {
  position: absolute; top: 14px; left: 14px; font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.1em; color: var(--navy-deep); background: var(--gold);
  padding: 5px 10px; border-radius: 999px; font-weight: 600;
}
.product-card-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.product-card-cat { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; }
.product-card-name { font-size: 19px; line-height: 1.25; color: var(--text-heading); }
.product-card-desc { font-size: 14px; line-height: 1.55; color: var(--text-body); flex: 1; }
.product-card-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; gap: 12px; }
.product-card-price { font-family: var(--font-display); font-weight: 700; font-size: 20px; color: var(--text-heading); }
.product-card-price-orig { font-size: 13px; color: #9AA7B8; text-decoration: line-through; margin-left: 6px; }
.product-card-cta {
  font-family: var(--font-display); font-weight: 700; font-size: 14px;
  padding: 10px 16px; border-radius: 8px; color: #fff; white-space: nowrap;
}
.product-card.is-coming-soon { opacity: 0.72; }
.product-card.is-coming-soon .product-card-cover { filter: grayscale(0.4); }
.product-card-soon-badge {
  position: absolute; inset: 0; background: rgba(10,31,60,0.55); display: flex;
  align-items: center; justify-content: center; color: #fff; font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.14em;
}

/* ---------- Category chip grid ---------- */
.category-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.category-chip {
  background: var(--white); border: 1px solid var(--border); border-left: 3px solid var(--gold);
  border-radius: 10px; padding: 16px 22px; display: flex; align-items: baseline; gap: 10px;
  flex: 1 1 auto; min-width: 200px;
}
.category-chip-name { font-family: var(--font-display); font-size: 15px; color: var(--text-heading); }
.category-chip-count { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-muted); }

/* ---------- Footer ---------- */
.usd-footer { background: var(--navy-deep); color: var(--text-muted-dark); padding: 48px clamp(18px,5vw,64px) 32px; }
.usd-footer .wrap { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; font-size: 13.5px; }

@media (max-width: 640px) {
  .usd-nav-links { font-size: 13px; gap: 12px; }
}

/* ---------- Product page components (Part 7) ---------- */
.pp-eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; }
.stat-bar { display: flex; flex-wrap: wrap; gap: clamp(18px,3vw,40px); margin-top: 32px; padding-top: 26px; border-top: 1px solid #1C3A5E; }
.stat-item .stat-num { font-family: var(--font-display); font-size: 26px; font-weight: 700; color: var(--gold); }
.stat-item .stat-label { font-size: 13px; color: #9FB4CC; }

.scenario-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 18px; }
.scenario-card { border: 1px solid var(--border); border-radius: 12px; padding: 24px; background: linear-gradient(180deg,#FFFFFF,#FAFBFD); }
.scenario-card-range { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; }
.scenario-card-title { margin-top: 12px; font-size: 17px; color: var(--text-heading); }
.scenario-card-why { margin-top: 10px; font-size: 14px; line-height: 1.55; color: var(--text-body); }

.persona-row { display: flex; flex-wrap: wrap; gap: 10px; }
.persona-pill { border: 1px solid var(--border); border-radius: 999px; padding: 8px 16px; font-size: 13.5px; color: var(--text-body); background: #fff; }
.not-for-list li { display: flex; gap: 10px; font-size: 14.5px; line-height: 1.6; color: #7A1F2B; padding: 6px 0; }

.spec-table { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: #fff; }
.spec-row { display: flex; justify-content: space-between; gap: 16px; padding: 14px 20px; font-size: 14.5px; }
.spec-row:nth-child(even) { background: #FAFBFD; }
.spec-label { color: var(--text-muted); }
.spec-value { color: var(--text-heading); font-weight: 500; text-align: right; }

.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq-item summary { font-family: var(--font-display); font-size: 16px; color: var(--text-heading); display: flex; justify-content: space-between; align-items: center; }
.faq-item summary::after { content: "+"; font-size: 20px; color: var(--text-muted); }
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { margin-top: 12px; font-size: 14.5px; line-height: 1.6; color: var(--text-body); }

.sticky-buy { position: sticky; bottom: 0; background: rgba(255,255,255,0.96); backdrop-filter: blur(6px); border-top: 1px solid var(--border); padding: 14px clamp(18px,5vw,64px); display: none; align-items: center; justify-content: space-between; gap: 16px; z-index: 30; }
@media (max-width: 820px) { .sticky-buy.is-visible { display: flex; } }


/* Purchase CTA hardening: product-page buy buttons remain visibly styled even if cached theme rules interfere. */
#itsm-buy-btn,#itsm-buy-btn-hero,#devops-buy-btn,#devops-buy-btn-hero,#aws-buy-btn,#aws-buy-btn-hero,#azure-buy-btn,#azure-buy-btn-hero,#cybersecurity-buy-btn,#cybersecurity-buy-btn-hero{display:inline-flex!important;align-items:center!important;justify-content:center!important;box-sizing:border-box!important;}
#itsm-buy-btn,#itsm-buy-btn-hero{background:var(--accent-itsm)!important;color:#04211E!important;}
#devops-buy-btn,#devops-buy-btn-hero{background:var(--accent-devops)!important;color:#fff!important;}
#aws-buy-btn,#aws-buy-btn-hero{background:var(--accent-devops)!important;color:#fff!important;}
#azure-buy-btn,#azure-buy-btn-hero{background:var(--accent-azure)!important;color:#fff!important;}
#cybersecurity-buy-btn,#cybersecurity-buy-btn-hero{background:var(--accent-cyber)!important;color:#fff!important;}