/* ────────────────────────────────────────────────────────────
   Solutions — shared page styles
   Loaded after tokens.css on every solutions/*.html page.
   ──────────────────────────────────────────────────────────── */

/* Breadcrumb */
.sol-crumb {
  padding-top: clamp(28px, 4vw, 48px);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-500);
  text-transform: uppercase;
  letter-spacing: var(--tracking-eyebrow);
  display: flex; gap: 10px; align-items: center;
}
.sol-crumb a { color: var(--ink-500); transition: color var(--t-fast); }
.sol-crumb a:hover { color: var(--ink-1000); }
.sol-crumb .sep { color: var(--ink-300); }
.sol-crumb .current { color: var(--ink-1000); }

/* Hero */
.sol-hero {
  padding: clamp(40px, 5vw, 72px) 0 clamp(56px, 7vw, 96px);
  position: relative;
  overflow: hidden;
}
.sol-hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 400px at 80% 0%, var(--sol-glow-orange, rgba(245,130,32,0.06)), transparent 60%),
    radial-gradient(900px 400px at 10% 100%, var(--sol-glow-blue, rgba(46,118,184,0.07)), transparent 60%);
  pointer-events: none;
}
.sol-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
}
.sol-hero__copy { max-width: 56ch; }
.sol-hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 20px;
}
.sol-hero__eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--sol-accent, var(--nw-orange));
  box-shadow: 0 0 0 4px var(--sol-glow-orange, rgba(245,130,32,0.18));
}
.sol-hero h1 {
  font-size: clamp(36px, 4.8vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 500;
  margin-bottom: 20px;
  text-wrap: balance;
}
.sol-hero h1 em { font-style: normal; color: var(--sol-accent, var(--nw-orange)); }
.sol-hero__lede {
  font-size: clamp(17px, 1.3vw, 21px);
  line-height: 1.5;
  color: var(--ink-600);
  margin-bottom: 28px;
}
.sol-hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }

.sol-hero__viz {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  padding: 28px;
  box-shadow: var(--sh-2);
  overflow: hidden;
}
.sol-hero__viz svg { width: 100%; height: auto; display: block; }
@media (max-width: 960px) {
  .sol-hero__inner { grid-template-columns: 1fr; }
}

/* Stats strip */
.sol-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.sol-stat {
  padding: 28px 0 28px 28px;
  border-left: 1px solid var(--line);
}
.sol-stat:first-child { border-left: 0; padding-left: 0; }
.sol-stat__num {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 500; letter-spacing: -0.035em; line-height: 1;
  color: var(--ink-1000); margin-bottom: 8px;
  font-feature-settings: "tnum";
}
.sol-stat__num .unit { color: var(--sol-accent, var(--nw-orange)); font-size: 0.55em; vertical-align: super; }
.sol-stat__label {
  color: var(--ink-500); font-size: 12px;
  font-family: var(--font-mono); text-transform: uppercase;
  letter-spacing: var(--tracking-eyebrow);
}
@media (max-width: 880px) {
  .sol-stats { grid-template-columns: repeat(2, 1fr); }
  .sol-stat:nth-child(3) { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 28px; }
  .sol-stat:nth-child(4) { border-top: 1px solid var(--line); padding-top: 28px; }
}

/* Challenge / pain points */
.sol-challenges {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  overflow: hidden;
}
.sol-challenge {
  background: var(--paper);
  padding: 28px 26px;
  display: flex; flex-direction: column; gap: 10px;
}
.sol-challenge__num {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--ink-400); letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
}
.sol-challenge h4 {
  font-size: 17px; font-weight: 600; letter-spacing: -0.015em; line-height: 1.3;
}
.sol-challenge p { color: var(--ink-600); font-size: 14px; line-height: 1.55; }
@media (max-width: 880px) { .sol-challenges { grid-template-columns: 1fr; } }

/* Capability list (this section is a 2-column "what NodeWeaver does") */
.sol-caps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  overflow: hidden;
}
.sol-cap {
  background: var(--paper);
  padding: 32px 28px;
  display: grid; grid-template-columns: 48px 1fr; gap: 18px;
  transition: background var(--t-fast);
}
.sol-cap:hover { background: var(--ink-50); }
.sol-cap__icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  color: var(--sol-accent, var(--nw-orange));
  background: var(--sol-accent-soft, var(--nw-orange-50));
  border-radius: var(--r-2);
}
.sol-cap h4 { font-size: 17px; font-weight: 600; letter-spacing: -0.015em; margin-bottom: 6px; }
.sol-cap p { color: var(--ink-600); font-size: 14.5px; line-height: 1.55; }
@media (max-width: 720px) { .sol-caps { grid-template-columns: 1fr; } }

/* Reference architecture / hardware suggestion */
.sol-ref {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  padding: clamp(28px, 4vw, 48px);
}
.sol-ref__head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 32px;
  flex-wrap: wrap; gap: 12px;
}
.sol-ref__head h3 { font-size: 22px; font-weight: 500; letter-spacing: -0.02em; }
.sol-ref__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.sol-ref__card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  padding: 22px 20px;
  display: flex; flex-direction: column; gap: 8px;
}
.sol-ref__tag {
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: var(--tracking-eyebrow);
  color: var(--sol-accent, var(--nw-blue));
}
.sol-ref__title { font-size: 16px; font-weight: 500; letter-spacing: -0.01em; color: var(--ink-1000); }
.sol-ref__meta { color: var(--ink-500); font-size: 13px; font-family: var(--font-mono); }
@media (max-width: 720px) { .sol-ref__grid { grid-template-columns: 1fr; } }

/* Quote */
.sol-quote {
  max-width: 820px; margin: 0 auto; text-align: center;
}
.sol-quote__mark {
  font-family: var(--font-mono); font-size: 56px; line-height: 1;
  color: var(--sol-accent, var(--nw-orange));
  margin-bottom: 16px;
}
.sol-quote blockquote {
  margin: 0;
  font-size: clamp(20px, 2.2vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--ink-1000); font-weight: 400;
  text-wrap: balance;
}
.sol-quote__attr {
  margin-top: 22px;
  font-family: var(--font-mono); font-size: 12px;
  text-transform: uppercase; letter-spacing: var(--tracking-eyebrow);
  color: var(--ink-500);
}
.sol-quote__attr strong { color: var(--ink-1000); font-weight: 500; }

/* CTA strip */
.sol-cta {
  background: var(--ink-1000); color: #fff;
  padding: clamp(56px, 7vw, 96px) 0;
  position: relative; overflow: hidden;
}
.sol-cta::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(800px 400px at 20% 0%, rgba(46,118,184,0.18), transparent 60%),
    radial-gradient(800px 400px at 90% 100%, rgba(245,130,32,0.16), transparent 60%);
  pointer-events: none;
}
.sol-cta__inner {
  position: relative;
  display: grid; grid-template-columns: 1.5fr 1fr;
  gap: 48px; align-items: center;
}
.sol-cta h2 {
  color: #fff;
  font-size: clamp(28px, 3.6vw, 48px);
  letter-spacing: -0.035em; line-height: 1.05;
  max-width: 22ch;
}
.sol-cta p { color: var(--ink-300); margin-top: 14px; max-width: 50ch; font-size: 16px; }
.sol-cta__buttons { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.sol-cta .btn--ghost { color: #fff; border-color: rgba(255,255,255,0.2); }
.sol-cta .btn--ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.4); }
@media (max-width: 880px) {
  .sol-cta__inner { grid-template-columns: 1fr; }
  .sol-cta__buttons { justify-content: flex-start; }
}

/* Section heading reused */
.sol-head { max-width: 720px; margin-bottom: 40px; }
.sol-head--center { margin: 0 auto 40px; text-align: center; }
.sol-head .eyebrow { display: block; margin-bottom: 12px; }
.sol-head h2 { margin-bottom: 14px; font-size: clamp(28px, 3vw, 42px); letter-spacing: -0.03em; }
.sol-head p { color: var(--ink-600); font-size: 17px; max-width: 56ch; line-height: 1.55; }
.sol-head--center p { margin-left: auto; margin-right: auto; }

/* Other solutions strip */
.sol-other {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.sol-other__card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  padding: 24px 22px;
  display: flex; flex-direction: column; gap: 10px;
  text-decoration: none; color: inherit;
  transition: border-color var(--t-fast), box-shadow var(--t-med), transform var(--t-med);
}
.sol-other__card:hover { border-color: var(--ink-300); box-shadow: var(--sh-2); transform: translateY(-1px); }
.sol-other__tag {
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: var(--tracking-eyebrow);
  color: var(--ink-500);
}
.sol-other__title { font-size: 17px; font-weight: 500; letter-spacing: -0.015em; color: var(--ink-1000); }
.sol-other__link {
  font-size: 14px; color: var(--ink-1000); font-weight: 500;
  margin-top: auto; display: inline-flex; align-items: center; gap: 6px;
}
.sol-other__link .arrow { transition: transform var(--t-fast) var(--ease-out); }
.sol-other__card:hover .sol-other__link .arrow { transform: translateX(3px); }
@media (max-width: 720px) { .sol-other { grid-template-columns: 1fr; } }