/* =============================================================
   NACAR Commerce Group — styles.css
   Archetype: Corporate Glassmorphism (adapted from skill archetype 04)
   Palette sourced directly from the NACAR logo.
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  /* Brand palette — sampled from the NACAR logo */
  --navy:        #04284F;   /* deep navy blue — ink, dark surfaces */
  --navy-deep:   #051B36;   /* richer navy for large dark surfaces (footer, cta) */
  --navy-2:      #0A3A6B;
  --blue:        #04B6FA;   /* bright commerce blue — primary accent */
  --blue-dark:   #0290CC;
  --aqua:        #37EED4;   /* aqua / turquoise — secondary accent */
  --coral:       #FD514C;   /* coral accent — used sparingly */
  --coral-dark:  #E23F3A;

  --bg:          #F5FBFB;   /* very light aqua background */
  --bg-2:        #EAF6F6;
  --paper:       #FFFFFF;
  --ink:         #0B1B33;
  --ink-soft:    #33475F;
  --ink-mute:    #63758A;
  --line:        rgba(11,27,51,0.10);

  --glass:       rgba(255,255,255,0.62);
  --glass-border:rgba(255,255,255,0.75);
  --glass-solid: rgba(255,255,255,0.92); /* fallback for no backdrop-filter */

  --success:     #1C9A6C;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --container-w: 1240px;

  --font-display: "Manrope", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; scroll-behavior: smooth; overflow-x: clip; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
ul { list-style: none; padding: 0; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  text-wrap: balance;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--navy);
}
h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); }
h3 { font-size: 1.15rem; font-weight: 700; }
::selection { background: var(--aqua); color: var(--navy); }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

input, select, textarea { font: inherit; color: inherit; }

/* =============================================================
   3. Utilities
   ============================================================= */
.container { width: 100%; max-width: var(--container-w); margin-inline: auto; padding-inline: 1.25rem; }

.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .7rem 1.1rem; background: var(--navy); color: #fff;
  z-index: 9999; border-radius: 8px; font-weight: 600;
  transition: top .2s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.section { padding-block: clamp(3.5rem, 7vw, 6.5rem); position: relative; scroll-margin-top: 84px; }
.hero { scroll-margin-top: 84px; }
.section-head { max-width: 760px; margin-inline: auto; text-align: center; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section-lead { margin-top: .9rem; color: var(--ink-soft); font-size: 1.05rem; }

.kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue-dark);
  background: rgba(4,182,250,0.10);
  padding: .4rem .9rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.kicker-light { color: var(--aqua); background: rgba(255,255,255,0.12); }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-split] { opacity: 1; transform: none; }

/* =============================================================
   4. Buttons
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .95rem 1.7rem;
  border-radius: 999px;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), background .35s var(--ease-out), color .35s var(--ease-out);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff;
  box-shadow: 0 10px 30px -10px rgba(4,182,250,0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -10px rgba(4,182,250,0.65); }

.btn-ghost {
  background: rgba(11,27,51,0.05);
  color: var(--navy);
  border: 1.5px solid rgba(11,27,51,0.18);
}
.btn-ghost:hover { background: rgba(11,27,51,0.09); transform: translateY(-2px); }

.btn-cta {
  background: #fff;
  color: var(--navy);
  box-shadow: 0 12px 30px -8px rgba(0,0,0,0.35);
}
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 18px 36px -8px rgba(0,0,0,0.4); }

.btn-lg { padding: 1.15rem 2.1rem; font-size: .86rem; }
.btn-sm { padding: .65rem 1.3rem; font-size: .74rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; pointer-events: none; }

/* =============================================================
   5. Header / Nav
   ============================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(245,251,251,0.7);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease-out), border-color .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
@supports not (backdrop-filter: blur(1px)) {
  .site-header { background: rgba(245,251,251,0.96); }
}
.site-header.is-scrolled {
  background: rgba(245,251,251,0.92);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px -20px rgba(4,40,79,0.4);
}

.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding-block: .85rem; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand-logo { height: 44px; width: auto; }

.main-nav ul { display: flex; align-items: center; gap: 2.1rem; }
.main-nav a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .92rem;
  color: var(--ink-soft);
  position: relative;
  padding-block: .3rem;
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px;
  background: var(--blue); transition: right .3s var(--ease-out);
}
.main-nav a:hover { color: var(--navy); }
.main-nav a:hover::after { right: 0; }

.header-actions { display: flex; align-items: center; gap: 1rem; }
.header-cta-desktop { display: none; }
@media (min-width: 960px) { .header-cta-desktop { display: inline-flex; } }

.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 40px; height: 40px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--navy); border-radius: 2px; transition: transform .3s var(--ease-out), opacity .3s var(--ease-out); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  position: fixed; inset: 0; top: 72px; z-index: 90;
  background: var(--bg);
  padding: 2rem 1.25rem;
  overflow-y: auto;
}
.mobile-nav.is-open { display: block; }
.mobile-nav ul { display: flex; flex-direction: column; gap: 1.4rem; margin-bottom: 2rem; }
.mobile-nav a { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; color: var(--navy); }

/* =============================================================
   6. Hero
   ============================================================= */
.hero {
  position: relative;
  padding-block: clamp(3rem, 9vw, 6rem) clamp(4rem, 8vw, 6rem);
  overflow: clip;
}
.hero-mesh {
  position: absolute; inset: -10% -10% -10% -10%; z-index: 0;
  background:
    radial-gradient(45% 45% at 15% 20%, rgba(4,182,250,0.28) 0%, transparent 60%),
    radial-gradient(40% 40% at 85% 10%, rgba(55,238,212,0.24) 0%, transparent 60%),
    radial-gradient(50% 50% at 75% 85%, rgba(253,81,76,0.10) 0%, transparent 65%),
    var(--bg);
  filter: blur(40px) saturate(140%);
  animation: meshDrift 34s ease-in-out infinite;
}
@keyframes meshDrift {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50%      { transform: scale(1.12) rotate(6deg); }
}
@media (prefers-reduced-motion: reduce) { .hero-mesh { animation: none; } }

.hero-grid-lines {
  position: absolute; inset: 0; z-index: 0; opacity: .35;
  background-image:
    linear-gradient(rgba(11,27,51,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,27,51,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(60% 60% at 50% 40%, black 20%, transparent 80%);
}

.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr; gap: 3rem;
  align-items: center;
}
.hero-logo { display: none; }
.hero-title {
  font-size: clamp(2.3rem, 5.4vw, 3.8rem);
  max-width: 16ch;
  margin-bottom: 1.2rem;
}
.hero-sub { font-size: 1.12rem; color: var(--ink-soft); max-width: 54ch; margin-bottom: 2rem; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.6rem; }
.hero-credibility { font-family: var(--font-display); font-weight: 700; font-size: .82rem; letter-spacing: .05em; text-transform: uppercase; color: var(--blue-dark); }
.hero-credibility .dot { color: var(--coral); margin-inline: .35em; }

.hero-visual { display: flex; align-items: center; justify-content: center; }
.network-graphic { width: 100%; max-width: 460px; }
.ng-ring { fill: none; stroke: rgba(4,40,79,0.10); stroke-width: 1; }
.ng-ring-mid { stroke: rgba(4,182,250,0.18); stroke-dasharray: 4 8; }
.ng-route { stroke: rgba(4,40,79,0.22); stroke-width: 1.5; stroke-dasharray: 3 7; }
.ng-node { fill: var(--paper); stroke: var(--blue); stroke-width: 2; }
.ng-node-center { fill: var(--navy); stroke: var(--aqua); stroke-width: 3; }
.ng-bag-body { fill: var(--blue); }
.ng-bag-handle { fill: none; stroke: #fff; stroke-width: 3; }
.network-graphic .ng-ring-outer { animation: ringSpin 60s linear infinite; transform-origin: 260px 260px; }
.network-graphic .ng-ring-mid { animation: ringSpin 40s linear infinite reverse; transform-origin: 260px 260px; }
@keyframes ringSpin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .network-graphic .ng-ring-outer, .network-graphic .ng-ring-mid { animation: none; }
}

/* =============================================================
   7. Glass cards
   ============================================================= */
.glass-card {
  background: var(--glass-solid);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px -30px rgba(4,40,79,0.35);
}
@supports (backdrop-filter: blur(1px)) {
  .glass-card {
    background: var(--glass);
    backdrop-filter: blur(18px) saturate(180%);
    -webkit-backdrop-filter: blur(18px) saturate(180%);
  }
}

.icon-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(4,182,250,0.16), rgba(55,238,212,0.16));
  color: var(--blue-dark);
  margin-bottom: 1.1rem;
}
.icon-badge svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.icon-badge-lg { width: 68px; height: 68px; border-radius: 20px; margin-bottom: 1.3rem; background: linear-gradient(135deg, rgba(28,154,108,0.16), rgba(55,238,212,0.2)); color: var(--success); }
.icon-badge-lg svg { width: 34px; height: 34px; }

/* =============================================================
   8. Who We Are
   ============================================================= */
.who-we-are-copy { max-width: 780px; margin: 0 auto clamp(2.5rem, 6vw, 4rem); text-align: center; display: grid; gap: 1.1rem; }
.who-we-are-copy p { color: var(--ink-soft); font-size: 1.05rem; }

.principles-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; }
.principle-card { padding: 1.6rem 1.4rem; text-align: left; transition: transform .4s var(--ease-out), box-shadow .4s var(--ease-out); }
.principle-card:hover { transform: translateY(-5px); box-shadow: 0 24px 50px -25px rgba(4,40,79,0.4); }
.principle-card h3 { font-size: 1rem; }

/* =============================================================
   9. Why Partner
   ============================================================= */
.why-partner { position: relative; }
.section-halo {
  position: absolute; inset: -20% -10% -20% -10%; z-index: 0; pointer-events: none;
  background: radial-gradient(45% 40% at 50% 30%, rgba(4,182,250,0.12), transparent 70%);
  filter: blur(80px);
}
.why-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
.why-card { padding: 2rem 1.8rem; transition: transform .4s var(--ease-out), box-shadow .4s var(--ease-out); }
.why-card:hover { transform: translateY(-6px); box-shadow: 0 28px 60px -25px rgba(4,40,79,0.4); }
.why-card p { color: var(--ink-soft); font-size: .96rem; margin-top: .5rem; }

/* =============================================================
   10. Purchasing intent
   ============================================================= */
.intent-panel {
  padding: clamp(2.2rem, 6vw, 4rem);
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);
  border: 1px solid rgba(255,255,255,0.08);
  color: #fff;
}
.intent-panel h2 { color: #fff; max-width: 22ch; }
.intent-lead { color: rgba(255,255,255,0.78); font-size: 1.05rem; max-width: 68ch; margin: 1rem 0 1.6rem; }
.category-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: .7rem;
  margin-bottom: 2rem;
}
.category-grid li {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 999px;
  padding: .7rem 1.1rem;
  font-size: .88rem;
  font-weight: 600;
  color: #EAF6F6;
}
.intent-callout {
  font-family: var(--font-display); font-weight: 700; font-size: 1.15rem;
  color: #fff; max-width: 56ch; margin-bottom: 1.8rem;
  border-left: 3px solid var(--aqua); padding-left: 1.1rem;
}

/* =============================================================
   11. How we work
   ============================================================= */
.steps-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.3rem; margin-bottom: 2.5rem; }
.step-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 2rem 1.8rem; position: relative; overflow: hidden;
  transition: transform .4s var(--ease-out), box-shadow .4s var(--ease-out);
}
.step-card:hover { transform: translateY(-6px); box-shadow: 0 26px 55px -28px rgba(4,40,79,0.4); }
.step-number {
  display: block; font-family: var(--font-display); font-weight: 800; font-size: 2.4rem;
  background: linear-gradient(135deg, var(--blue), var(--aqua));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: .6rem;
}
.step-card p { color: var(--ink-soft); font-size: .95rem; margin-top: .5rem; }
.process-statement {
  text-align: center; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem); color: var(--navy); max-width: 46ch; margin-inline: auto;
}

/* =============================================================
   12. Brand protection
   ============================================================= */
.protection-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.3rem; }
.protection-card { padding: 1.9rem 1.7rem; transition: transform .4s var(--ease-out), box-shadow .4s var(--ease-out); }
.protection-card:hover { transform: translateY(-6px); box-shadow: 0 24px 50px -25px rgba(4,40,79,0.4); }
.protection-card p { color: var(--ink-soft); font-size: .93rem; margin-top: .4rem; }

/* =============================================================
   13. Supplier CTA
   ============================================================= */
.supplier-cta {
  background: radial-gradient(120% 140% at 20% 0%, rgba(4,182,250,0.35) 0%, transparent 55%), linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: #fff;
  text-align: center;
}
.supplier-cta-inner { max-width: 720px; margin-inline: auto; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.supplier-cta h2 { color: #fff; }
.supplier-cta p { color: rgba(255,255,255,0.82); font-size: 1.05rem; }
.supplier-cta-note { font-size: .92rem; color: rgba(255,255,255,0.6); margin-top: .4rem; }

/* =============================================================
   14. Supplier form
   ============================================================= */
.form-wrap { max-width: 880px; margin-inline: auto; padding: clamp(1.8rem, 5vw, 3rem); }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem 1.4rem; margin-bottom: 1.6rem; }
.form-field { display: flex; flex-direction: column; gap: .45rem; }
.form-field-full { grid-column: 1 / -1; }
.form-field label { font-family: var(--font-display); font-weight: 700; font-size: .82rem; color: var(--navy); }
.req { color: var(--coral); }
.form-field input, .form-field select, .form-field textarea {
  border: 1.5px solid var(--line);
  background: rgba(255,255,255,0.7);
  border-radius: var(--radius-sm);
  padding: .8rem 1rem;
  font-size: .95rem;
  transition: border-color .25s var(--ease-out), box-shadow .25s var(--ease-out);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--blue); box-shadow: 0 0 0 4px rgba(4,182,250,0.14); outline: none;
}
.form-field textarea { resize: vertical; min-height: 120px; }

.checkbox-field {
  display: flex; align-items: flex-start; gap: .7rem;
  font-size: .92rem; color: var(--ink-soft); margin-bottom: 1.6rem; cursor: pointer;
}
.checkbox-field input { margin-top: .2rem; width: 18px; height: 18px; accent-color: var(--blue); flex-shrink: 0; }

.form-status { margin-top: 1rem; font-size: .9rem; text-align: center; min-height: 1.2em; }
.form-status[data-state="error"] { color: var(--coral-dark); }
.form-status[data-state="sending"] { color: var(--ink-mute); }

.form-success { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 2rem 0; }
.form-success h3 { max-width: 34ch; margin-bottom: .6rem; }
.form-success p { color: var(--ink-soft); max-width: 46ch; }

/* =============================================================
   15. Company info
   ============================================================= */
.company-info-inner { max-width: 760px; margin-inline: auto; text-align: center; }
.company-mark { margin: 0 auto 1.2rem; }
.company-tagline { color: var(--ink-soft); font-weight: 600; margin-top: .5rem; margin-bottom: 2.2rem; }
.company-details-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; text-align: left; }
.company-detail {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 1.3rem 1.4rem; display: flex; flex-direction: column; gap: .35rem;
}
.detail-label { font-family: var(--font-display); font-weight: 700; font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--blue-dark); }
.detail-value { color: var(--ink); font-size: .96rem; line-height: 1.5; }
.detail-value a:hover { color: var(--blue-dark); }
.detail-muted { color: var(--ink-mute); font-style: italic; }

/* =============================================================
   16. Footer
   ============================================================= */
.site-footer { background: var(--navy-deep); color: rgba(255,255,255,0.82); }
.footer-inner {
  display: grid; grid-template-columns: 1fr; gap: 2.5rem;
  padding-block: clamp(2.5rem, 6vw, 4rem);
}
.footer-logo-chip {
  display: inline-flex; background: #fff; border-radius: var(--radius-md);
  padding: .8rem 1.2rem; margin-bottom: 1rem;
}
.footer-brand p { max-width: 42ch; font-size: .92rem; color: rgba(255,255,255,0.65); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 1.1rem 1.6rem; }
.footer-nav a { font-size: .92rem; font-weight: 600; color: rgba(255,255,255,0.78); }
.footer-nav a:hover { color: var(--aqua); }
.footer-contact { display: flex; flex-direction: column; gap: .5rem; font-size: .9rem; }
.footer-contact a { color: var(--aqua); font-weight: 600; }
.footer-contact span { color: rgba(255,255,255,0.6); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-block: 1.4rem; }
.footer-bottom p { font-size: .82rem; color: rgba(255,255,255,0.55); text-align: center; }

/* =============================================================
   17. Responsive (mobile-first breakpoints)
   ============================================================= */
@media (min-width: 540px) {
  .principles-grid { grid-template-columns: repeat(3, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 720px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .protection-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .company-details-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .main-nav { display: block; }
  .hero-inner { grid-template-columns: 1.1fr .9fr; gap: 2rem; }
  .hero-logo { display: block; height: 56px; width: auto; margin-bottom: 2rem; }
  .why-grid { grid-template-columns: repeat(3, 1fr); }
  .protection-grid { grid-template-columns: repeat(4, 1fr); }
  .steps-grid { grid-template-columns: repeat(4, 1fr); }
  .principles-grid { grid-template-columns: repeat(6, 1fr); }
  .footer-inner { grid-template-columns: 1.4fr 1fr 1fr; }
}

@media (max-width: 959px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
}

@media (min-width: 1280px) {
  .category-grid { grid-template-columns: repeat(5, 1fr); }
}

/* =============================================================
   18. Legal pages + 404
   ============================================================= */
.legal-container { max-width: 760px; margin-inline: auto; }
.legal-page h1 { font-size: clamp(2rem, 4vw, 2.6rem); margin-bottom: .5rem; }
.legal-updated { color: var(--ink-mute); font-size: .9rem; margin-bottom: 2.2rem; }
.legal-page h2 { font-size: 1.25rem; margin-top: 2.1rem; margin-bottom: .7rem; }
.legal-page p { color: var(--ink-soft); margin-bottom: 1rem; }
.legal-page p a { color: var(--blue-dark); font-weight: 600; }
.legal-page p a:hover { text-decoration: underline; }

.error-404 { min-height: 60vh; display: flex; align-items: center; }
.error-404-inner { max-width: 640px; margin-inline: auto; text-align: center; }
.error-404-inner h1 { margin-bottom: 1rem; font-size: clamp(1.8rem, 3.6vw, 2.4rem); }
.error-404-inner p { color: var(--ink-soft); margin-bottom: 2rem; font-size: 1.05rem; }
.error-404-inner .hero-ctas { justify-content: center; }

/* =============================================================
   19. Print
   ============================================================= */
@media print {
  .site-header, .hero-mesh, .hero-grid-lines, .network-graphic, .mobile-nav { display: none; }
}