/* ==========================================================================
   Marginex LLC — styles.css
   Brand: Navy #071B3A  |  Blue #0B6CF2  |  Cyan #19B5FE
   ========================================================================== */

/* ── 1. Custom Properties (light theme) ──────────────────────────────────── */
:root {
  /* Brand */
  --c-navy:        #071B3A;
  --c-blue:        #0B6CF2;
  --c-blue-dark:   #0A5BD4;
  --c-blue-dim:    rgba(11, 108, 242, 0.10);
  --c-blue-rim:    rgba(11, 108, 242, 0.22);
  --c-cyan:        #19B5FE;

  /* Surfaces */
  --c-bg:          #FFFFFF;
  --c-bg-alt:      #F7F9FC;
  --c-bg-dark:     #071B3A;

  /* Text */
  --c-text:        #0A1628;
  --c-text-mid:    #3D4F63;
  --c-text-muted:  #6B7E94;

  /* On-dark text */
  --c-on-dark:     #E8EEF8;
  --c-on-dark-mid: #8BAEC8;

  /* Borders */
  --c-border:      #DCE4EF;
  --c-border-mid:  #C2D0E0;

  /* Layout */
  --nav-h:         80px;
  --container:     1120px;
  --pad-x:         clamp(20px, 5vw, 48px);
  --section-py:    clamp(80px, 10vw, 120px);
  --radius:        8px;
  --radius-lg:     14px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(10,22,40,.07), 0 1px 2px rgba(10,22,40,.05);
  --shadow:    0 2px 8px rgba(10,22,40,.08), 0 6px 20px rgba(10,22,40,.06);
  --shadow-lg: 0 4px 16px rgba(10,22,40,.10), 0 12px 32px rgba(10,22,40,.08);

  /* Transitions */
  --t:  180ms ease;
  --t2: 360ms ease;
}

/* ── 2. Dark mode ─────────────────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --c-bg:          #0C1A30;
    --c-bg-alt:      #101F38;
    --c-bg-dark:     #060D1A;
    --c-text:        #DCE7F2;
    --c-text-mid:    #8AAABF;
    --c-text-muted:  #587898;
    --c-on-dark:     #DCE7F2;
    --c-on-dark-mid: #8AAABF;
    --c-border:      #1A3050;
    --c-border-mid:  #243E5C;
    --c-blue:        #3D89F7;
    --c-blue-dark:   #2D72E8;
    --c-blue-dim:    rgba(61,137,247,.13);
    --c-blue-rim:    rgba(61,137,247,.28);
    --c-cyan:        #19B5FE;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.30);
    --shadow:    0 2px 8px rgba(0,0,0,.30), 0 6px 20px rgba(0,0,0,.25);
    --shadow-lg: 0 4px 16px rgba(0,0,0,.35), 0 12px 32px rgba(0,0,0,.30);
  }
}

:root[data-theme="dark"] {
  --c-bg:          #0C1A30;
  --c-bg-alt:      #101F38;
  --c-bg-dark:     #060D1A;
  --c-text:        #DCE7F2;
  --c-text-mid:    #8AAABF;
  --c-text-muted:  #587898;
  --c-on-dark:     #DCE7F2;
  --c-on-dark-mid: #8AAABF;
  --c-border:      #1A3050;
  --c-border-mid:  #243E5C;
  --c-blue:        #3D89F7;
  --c-blue-dark:   #2D72E8;
  --c-blue-dim:    rgba(61,137,247,.13);
  --c-blue-rim:    rgba(61,137,247,.28);
  --c-cyan:        #19B5FE;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.30);
  --shadow:    0 2px 8px rgba(0,0,0,.30), 0 6px 20px rgba(0,0,0,.25);
  --shadow-lg: 0 4px 16px rgba(0,0,0,.35), 0 12px 32px rgba(0,0,0,.30);
}

/* ── 3. Reset ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font: inherit; border: none; background: none; }
input, textarea, select { font: inherit; }

/* ── 4. Typography ───────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  line-height: 1.18;
  letter-spacing: -0.022em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.4rem, 5.5vw, 4rem);   font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.1rem;  font-weight: 600; letter-spacing: -0.01em; }
p  { max-width: 65ch; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.715rem;
  font-weight: 600;
  letter-spacing: 0.115em;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--c-blue);
  flex-shrink: 0;
}
.eyebrow-muted { color: var(--c-on-dark-mid); }
.eyebrow-muted::before { background: var(--c-on-dark-mid); }

/* ── 5. Layout ───────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.section      { padding-block: var(--section-py); background: var(--c-bg); }
.section-alt  { background: var(--c-bg-alt); }
.section-dark { background: var(--c-bg-dark); color: var(--c-on-dark); }

/* ── 6. Buttons ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-size: 0.925rem;
  font-weight: 600;
  border-radius: var(--radius);
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: background var(--t), color var(--t), border-color var(--t),
              box-shadow var(--t), transform var(--t);
}
.btn:focus-visible { outline: 2px solid var(--c-blue); outline-offset: 3px; }

.btn-primary { background: var(--c-blue); color: #fff; }
.btn-primary:hover {
  background: var(--c-blue-dark);
  box-shadow: 0 4px 14px rgba(11,108,242,.38);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--c-blue);
  border: 1.5px solid var(--c-blue);
}
.btn-outline:hover { background: var(--c-blue-dim); }
.btn-ghost-light {
  background: transparent;
  color: rgba(255,255,255,.82);
  border: 1.5px solid rgba(255,255,255,.28);
}
.btn-ghost-light:hover {
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.55);
  color: #fff;
}
.btn-lg { padding: 16px 36px; font-size: 1rem; }

/* ── 7. Navbar ───────────────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--nav-h);
  background: transparent;
  transition: background var(--t2), box-shadow var(--t2), backdrop-filter var(--t2);
}
.navbar.scrolled {
  background: rgba(7, 27, 58, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,.06), 0 4px 24px rgba(0,0,0,.28);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  gap: 16px;
}

.nav-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

/* PNG logo — transparent bg works on dark navbar throughout */
.nav-logo-img {
  width: 165px;
  height: auto;
  max-height: 58px;
  object-fit: contain;
  object-position: left center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-links a:not(.btn) {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,.75);
  padding: 7px 12px;
  border-radius: 6px;
  transition: color var(--t), background var(--t);
}
.nav-links a:not(.btn):hover {
  color: #fff;
  background: rgba(255,255,255,.08);
}
/* Navbar stays dark on scroll — links remain white */
.navbar.scrolled .nav-links a:not(.btn) { color: rgba(255,255,255,.78); }
.navbar.scrolled .nav-links a:not(.btn):hover {
  color: #fff;
  background: rgba(255,255,255,.10);
}
.nav-links .btn { margin-left: 10px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 6px;
  transition: background var(--t);
}
.nav-toggle:hover { background: rgba(255,255,255,.08); }
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,.88);
  border-radius: 2px;
  transition: transform var(--t), opacity var(--t);
}
.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); }

/* ── 8. Hero ─────────────────────────────────────────────────────────────── */
.section-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: calc(var(--nav-h) + 80px) 120px;
  background: var(--c-bg-dark);
  overflow: hidden;
}

.hero-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    -18deg,
    transparent 0,
    transparent 56px,
    rgba(11,108,242,.04) 56px,
    rgba(11,108,242,.04) 58px
  );
}
.hero-glow {
  position: absolute;
  top: -15%;
  right: -8%;
  width: 55%;
  height: 80%;
  background: radial-gradient(ellipse at 65% 25%,
    rgba(11,108,242,.13) 0%,
    transparent 68%
  );
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 800px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.715rem;
  font-weight: 600;
  letter-spacing: 0.115em;
  text-transform: uppercase;
  color: rgba(255,255,255,.42);
  margin-bottom: 28px;
}
.hero-eyebrow::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--c-cyan);
  flex-shrink: 0;
}

.hero-heading {
  color: #fff;
  font-size: clamp(2.4rem, 5.5vw, 3.75rem);
  line-height: 1.12;
  letter-spacing: -0.030em;
  margin-bottom: 28px;
}
.hero-heading .accent { color: var(--c-cyan); }

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.78;
  color: rgba(255,255,255,.54);
  max-width: 56ch;
  margin-bottom: 48px;
}

.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: var(--pad-x);
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.24);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}
.hero-scroll-line {
  width: 40px;
  height: 1px;
  background: linear-gradient(to right, rgba(255,255,255,.28), transparent);
}

/* ── 9. About ────────────────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 80px;
  align-items: start;
}
.about-col-left h2 { margin-top: 4px; }
.about-col-right p {
  color: var(--c-text-mid);
  font-size: 1.05rem;
  line-height: 1.80;
  margin-bottom: 24px;
}
.about-col-right p:last-of-type { margin-bottom: 0; }

.about-pillars {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pillar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 20px;
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}
.pillar-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-blue);
  flex-shrink: 0;
}
.pillar span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-text);
}

/* ── 10. Product Focus ───────────────────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}
.product-intro p {
  color: var(--c-text-mid);
  font-size: 1.05rem;
  line-height: 1.80;
  margin-bottom: 24px;
}
.product-intro p:last-child { margin-bottom: 0; }

.traits {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.trait {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-blue);
  border-radius: var(--radius);
  transition: box-shadow var(--t), border-left-color var(--t);
}
.trait:hover {
  box-shadow: var(--shadow-sm);
  border-left-color: var(--c-cyan);
}
.trait-text strong {
  display: block;
  font-size: 0.895rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 4px;
}
.trait-text p {
  font-size: 0.825rem;
  color: var(--c-text-muted);
  line-height: 1.5;
  max-width: none;
  margin: 0;
}

/* ── 11. Brand Partner Cards ─────────────────────────────────────────────── */
.section-header { margin-bottom: 56px; }
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(252px, 1fr));
  gap: 22px;
}
.card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  transition: box-shadow var(--t), border-color var(--t), transform var(--t);
}
.card:hover {
  box-shadow: var(--shadow);
  border-color: var(--c-border-mid);
  transform: translateY(-2px);
}
.card-icon {
  width: 44px;
  height: 44px;
  background: var(--c-blue-dim);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--c-blue);
}
.card-icon svg { width: 22px; height: 22px; }
.card h3 { font-size: 1rem; margin-bottom: 12px; color: var(--c-text); }
.card p {
  font-size: 0.89rem;
  color: var(--c-text-mid);
  line-height: 1.68;
  max-width: none;
}

/* ── 12. Principles ──────────────────────────────────────────────────────── */
.principles-statement {
  max-width: 760px;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1.74;
  color: var(--c-on-dark);
  opacity: 0.88;
  padding: 30px 32px;
  border-left: 3px solid var(--c-cyan);
  margin-bottom: 64px;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.principle {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 24px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  transition: background var(--t), border-color var(--t);
}
.principle:hover {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.14);
}
.principle-icon { color: var(--c-cyan); }
.principle-icon svg { width: 28px; height: 28px; }
.principle h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-on-dark);
  letter-spacing: 0;
  line-height: 1.3;
}

/* ── 13. Wholesale Partnerships ──────────────────────────────────────────── */
.partnerships-inner { max-width: 660px; }
.partnerships-inner h2 { margin-top: 4px; }
.partnerships-inner > p {
  font-size: 1.05rem;
  color: var(--c-text-mid);
  line-height: 1.80;
  margin-top: 22px;
  margin-bottom: 32px;
}

.partner-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}
.chip {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 7px 16px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 99px;
  color: var(--c-text-mid);
}

/* ── 14. Business Credentials ────────────────────────────────────────────── */
.credentials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 14px;
  margin-top: 48px;
}
.credential {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}
.credential-check {
  width: 36px;
  height: 36px;
  background: var(--c-blue-dim);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--c-blue);
}
.credential-check svg { width: 18px; height: 18px; }
.credential-info strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-text);
  line-height: 1.4;
}
.credential-info span {
  font-size: 0.8rem;
  color: var(--c-text-muted);
}

/* ── 15. Contact ─────────────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}
.contact-info h2 { margin-top: 4px; margin-bottom: 20px; }
.contact-info > p {
  color: var(--c-text-mid);
  font-size: 1rem;
  line-height: 1.78;
  margin-bottom: 28px;
}
.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--c-blue);
  margin-bottom: 24px;
  transition: color var(--t);
}
.contact-email:hover { color: var(--c-blue-dark); }
.contact-email svg { width: 18px; height: 18px; }
.contact-direct { display: inline-flex; }

/* Form */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--c-text);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 15px;
  background: var(--c-bg);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius);
  color: var(--c-text);
  font-size: 0.95rem;
  width: 100%;
  transition: border-color var(--t), box-shadow var(--t);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--c-blue);
  box-shadow: 0 0 0 3px var(--c-blue-dim);
}
.form-group textarea { resize: vertical; min-height: 140px; }
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7E94' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
.hidden { display: none !important; }
.form-success {
  display: none;
  padding: 28px;
  background: var(--c-blue-dim);
  border: 1px solid var(--c-blue-rim);
  border-radius: var(--radius);
  color: var(--c-blue-dark);
  font-weight: 500;
  text-align: center;
  font-size: 0.95rem;
  line-height: 1.6;
}
.form-success.show { display: block; }

/* ── 16. Footer ──────────────────────────────────────────────────────────── */
.footer {
  background: var(--c-bg-dark);
  color: var(--c-on-dark);
  padding-block: 64px 40px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.07);
  margin-bottom: 32px;
}
.footer-logo-img {
  width: 140px;
  height: auto;
  margin-bottom: 16px;
  opacity: .92;
}
.footer-tagline {
  font-size: 0.85rem;
  color: var(--c-on-dark-mid);
  margin-bottom: 18px;
  max-width: none;
}
.footer-contact a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--c-on-dark-mid);
  transition: color var(--t);
}
.footer-contact a:hover { color: #fff; }
.footer-nav-col h5 {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.115em;
  text-transform: uppercase;
  color: rgba(255,255,255,.30);
  margin-bottom: 20px;
}
.footer-nav-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav-col li a {
  font-size: 0.875rem;
  color: var(--c-on-dark-mid);
  transition: color var(--t);
}
.footer-nav-col li a:hover { color: #fff; }
.footer-bottom { display: flex; flex-direction: column; gap: 10px; }
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,.28); max-width: none; }

/* ── 17. Reveal animations ───────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; }
.reveal-d4 { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ── 18. Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .about-grid   { grid-template-columns: 1fr; gap: 48px; }
  .product-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-top   { grid-template-columns: 1fr 1fr; }
  .footer-top > .footer-brand { grid-column: 1 / -1; }
  .principles-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --nav-h: 68px; --pad-x: 20px; }

  .nav-logo-img { width: 135px; }

  .nav-links {
    display: none;
    position: fixed;
    inset-block-start: var(--nav-h);
    inset-inline: 0;
    inset-block-end: 0;
    background: var(--c-navy);
    flex-direction: column;
    padding: 28px var(--pad-x);
    gap: 2px;
    overflow-y: auto;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a:not(.btn) {
    font-size: 1rem;
    padding: 13px 16px;
    color: rgba(255,255,255,.80);
    width: 100%;
    border-radius: var(--radius);
  }
  .nav-links .btn {
    width: 100%;
    justify-content: center;
    margin: 16px 0 0 0;
  }
  .nav-toggle { display: flex; }

  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { justify-content: center; }

  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .principles-grid { grid-template-columns: 1fr; }
  .principles-statement { padding: 22px 24px; }
}

@media (max-width: 480px) {
  .nav-logo-img { width: 120px; }
  .cards-grid { grid-template-columns: 1fr; }
  .credentials-grid { grid-template-columns: 1fr; }
  .principles-grid { grid-template-columns: 1fr 1fr; }
}