/* Bold'n'Smart — one-page site. System fonts, no external requests.
   Cascade order: base.css -> components.css -> sections.css (linked in
   that order in index.html <head>; keep it that way, later files may
   rely on tokens/resets defined here). */

/* ===== DESIGN TOKENS ===== */
:root {
  --ink: oklch(21% 0.014 264);
  --ink-soft: oklch(40% 0.018 264);
  --paper: oklch(98% 0 0);
  --paper-raised: oklch(100% 0 0);
  --line: oklch(88% 0.004 264);
  --accent: oklch(56% 0.17 38);
  --accent-ink: oklch(37% 0.14 34);
  --accent-tint: oklch(93% 0.03 40);
  --ok: oklch(46% 0.11 152);
  --bad: oklch(48% 0.17 26);

  --on-ink: oklch(96% 0.002 264);
  --on-ink-soft: oklch(74% 0.012 264);
  --on-ink-line: oklch(34% 0.014 264);
  --on-ink-accent: oklch(76% 0.11 45);

  --max: 72rem;
  --measure: 42rem;
  --radius: 10px;
  --ease: cubic-bezier(0.25, 1, 0.5, 1);
}

/* ===== RESET & GLOBAL ELEMENTS ===== */
* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

img, svg {
  max-width: 100%;
}

a {
  color: var(--accent-ink);
}

::selection {
  background: var(--accent);
  color: #fff;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

.skip-link {
  position: absolute;
  left: 0;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 100;
  border-radius: 0 0 8px 0;
  transform: translateX(-100%);
}

.skip-link:focus {
  transform: translateX(0);
}

.wrap {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

section {
  padding-block: clamp(3.5rem, 9vw, 7rem);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.25rem, 6.4vw, 4.1rem);
  margin: 0 0 1.1rem;
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(1.65rem, 4.6vw, 2.5rem);
  margin: 0 0 0.75rem;
}

h3 {
  font-size: 1.2rem;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1rem;
  text-wrap: pretty;
}

.lede {
  font-size: clamp(1.08rem, 2.4vw, 1.32rem);
  color: var(--ink-soft);
  max-width: 38rem;
}

/* Eyebrow — used deliberately in two places only (hero, proof strip),
   never as repeated per-section scaffolding. Plain label + accent chip,
   not a badge pill. */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-ink);
  margin-bottom: 1.1rem;
}

.eyebrow::before {
  content: "";
  width: 0.55em;
  height: 0.55em;
  background: var(--accent);
  border-radius: 2px;
  flex: none;
}

.eyebrow-invert {
  color: var(--on-ink-accent);
}

.eyebrow-invert::before {
  background: var(--on-ink-accent);
}

/* ===== HEADER & NAV ===== */
/* Header — sticky, must render above the hero's radial glow (z-index 0/1)
   and the proof-strip grid (z-index 0/1), so it sits at z-index 60. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--ink);
  color: var(--on-ink);
  border-bottom: 1px solid oklch(100% 0 0 / 10%);
  box-shadow: 0 6px 18px -12px oklch(0% 0 0 / 45%);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.1rem;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (min-width: 641px) {
  .site-header .wrap {
    flex-wrap: nowrap;
  }
}

/* Anchor targets clear the sticky header on jump/click. Desktop header
   renders ~64px tall; mobile can wrap to two rows (~104px), handled below. */
#top,
#offer,
#cases,
#coverage,
#faq {
  scroll-margin-top: 9.5rem;
}

@media (min-width: 641px) {
  #top,
  #offer,
  #cases,
  #coverage,
  #faq {
    scroll-margin-top: 5.5rem;
  }
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--on-ink);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.brand:hover {
  color: var(--on-ink-accent);
}

.brand-mark {
  flex: none;
}

.site-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.92rem;
  font-weight: 600;
}

@media (min-width: 641px) {
  .site-nav {
    gap: 1.5rem;
    flex-wrap: nowrap;
  }
}

.site-nav a {
  color: var(--on-ink-soft);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.site-nav a:hover {
  color: var(--on-ink);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  font-weight: 700;
  text-decoration: none;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-ink);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn-secondary:hover {
  border-color: var(--ink);
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.85rem;
}
