/* ==========================================================================
   Bamzika — Wellness & Mobility Resource
   Palette: silver, green, dark green
   ========================================================================== */

:root {
  /* Core palette */
  --silver-50: #f5f7f6;
  --silver-100: #e9efec;
  --silver-200: #d6e0db;
  --silver-300: #bccac3;
  --silver-400: #9caaa3;

  --green-300: #7fb094;
  --green-400: #5e9674;
  --green-500: #4c7c60;
  --green-600: #3c6650;

  --dark-700: #2c4d3b;
  --dark-800: #223d2f;
  --dark-900: #172a21;

  --ink: #1d2a23;
  --muted: #586b61;
  --line: rgba(34, 61, 47, 0.12);

  /* Semantic */
  --bg: var(--silver-50);
  --bg-alt: #ffffff;
  --surface: #ffffff;
  --text: var(--ink);
  --text-soft: var(--muted);
  --brand: var(--green-500);
  --brand-strong: var(--dark-800);
  --accent: var(--green-300);

  /* Typography */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Manrope", "Segoe UI", system-ui, sans-serif;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;

  /* Misc */
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 28px;
  --shadow-sm: 0 2px 8px rgba(23, 42, 33, 0.06);
  --shadow: 0 14px 40px rgba(23, 42, 33, 0.10);
  --shadow-lg: 0 30px 70px rgba(23, 42, 33, 0.16);
  --container: 1180px;
  --header-h: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* -------------------------------------------------------------------------- */
/* Reset & base                                                               */
/* -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--brand); text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: var(--dark-800); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  color: var(--brand-strong);
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-4);
}

h1 { font-size: clamp(2.3rem, 1.6rem + 3.2vw, 4rem); }
h2 { font-size: clamp(1.75rem, 1.3rem + 1.9vw, 2.7rem); }
h3 { font-size: clamp(1.25rem, 1.1rem + 0.7vw, 1.6rem); }

p { margin: 0 0 var(--space-4); }

ul { margin: 0 0 var(--space-4); padding-left: 1.2rem; }

:focus-visible {
  outline: 3px solid var(--green-400);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--dark-800);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

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

.section { padding-block: clamp(var(--space-7), 5vw, var(--space-9)); }
.section--tight { padding-block: var(--space-7); }
.section--alt { background: var(--bg-alt); }
.section--deep {
  background: linear-gradient(160deg, var(--dark-800), var(--dark-900));
  color: var(--silver-100);
}
.section--deep h2, .section--deep h3 { color: #fff; }
.section--deep p { color: var(--silver-200); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green-500);
  margin-bottom: var(--space-3);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--green-400);
  display: inline-block;
}
.section--deep .eyebrow { color: var(--accent); }
.section--deep .eyebrow::before { background: var(--accent); }

.section-head { max-width: 640px; margin-bottom: var(--space-7); }
.section-head--center { margin-inline: auto; text-align: center; }
.lead { font-size: 1.15rem; color: var(--text-soft); }

/* -------------------------------------------------------------------------- */
/* Buttons                                                                    */
/* -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.98rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
              background 0.25s var(--ease), color 0.25s var(--ease);
  text-align: center;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--green-500);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover { background: var(--dark-800); color: #fff; box-shadow: var(--shadow); }

.btn--ghost {
  background: transparent;
  color: var(--brand-strong);
  border-color: var(--silver-300);
}
.btn--ghost:hover { border-color: var(--green-400); color: var(--dark-800); }

.btn--light {
  background: var(--silver-100);
  color: var(--dark-800);
}
.btn--light:hover { background: #fff; }

/* -------------------------------------------------------------------------- */
/* Header / Nav                                                               */
/* -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 247, 246, 0.82);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(245, 247, 246, 0.95);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--brand-strong);
  letter-spacing: -0.02em;
}
.brand:hover { color: var(--dark-900); }
.brand__mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(140deg, var(--green-400), var(--dark-800));
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1.1rem;
  box-shadow: var(--shadow-sm);
}

.nav__links {
  list-style: none;
  display: flex;
  gap: var(--space-5);
  margin: 0;
  padding: 0;
  align-items: center;
}
.nav__links a {
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--ink);
  position: relative;
  padding: 6px 2px;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--green-400);
  transition: width 0.25s var(--ease);
}
.nav__links a:hover::after,
.nav__links a[aria-current="page"]::after { width: 100%; }
.nav__links a[aria-current="page"] { color: var(--green-600); }

.nav__cta { margin-left: var(--space-2); }

.nav__toggle {
  display: none;
  width: 46px; height: 46px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
  position: relative;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 20px; height: 2px;
  background: var(--dark-800);
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}
.nav__toggle span::before { transform: translate(-50%, -7px); }
.nav__toggle span::after { transform: translate(-50%, 5px); }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translate(-50%, -50%) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after { transform: translate(-50%, -50%) rotate(-45deg); }

/* -------------------------------------------------------------------------- */
/* Hero                                                                       */
/* -------------------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(150deg, var(--dark-900), var(--green-600));
  color: var(--silver-100);
}
.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.28;
  z-index: 0;
}
.hero__veil {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(127,176,148,0.25), transparent 55%),
              linear-gradient(180deg, rgba(23,42,33,0.4), rgba(23,42,33,0.85));
  z-index: 1;
}
.hero__inner {
  position: relative;
  z-index: 2;
  padding-block: clamp(var(--space-8), 9vw, 9rem);
  max-width: 720px;
}
.hero h1 { color: #fff; }
.hero .eyebrow { color: var(--accent); }
.hero .eyebrow::before { background: var(--accent); }
.hero__sub {
  font-size: 1.2rem;
  color: var(--silver-200);
  max-width: 560px;
  margin-bottom: var(--space-6);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-4); }
.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-7);
  margin-top: var(--space-8);
}
.hero__stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: #fff;
}
.hero__stat span { font-size: 0.9rem; color: var(--silver-300); }

/* -------------------------------------------------------------------------- */
/* Cards & grids                                                              */
/* -------------------------------------------------------------------------- */
.grid { display: grid; gap: var(--space-5); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(94, 150, 116, 0.4);
}
.card__icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, var(--silver-100), var(--green-300));
  color: var(--dark-800);
  font-size: 1.4rem;
  margin-bottom: var(--space-4);
}
.card h3 { margin-bottom: var(--space-2); }
.card p { color: var(--text-soft); margin-bottom: 0; }

/* Split feature */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-6), 5vw, var(--space-8));
  align-items: center;
}
.split--reverse .split__media { order: 2; }
.split__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}
.split__media img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.split__media::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.25);
}
.check-list { list-style: none; padding: 0; margin: var(--space-4) 0 0; }
.check-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: var(--space-3);
  color: var(--text-soft);
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--green-300);
  color: var(--dark-800);
  font-size: 0.8rem;
  font-weight: 700;
  display: grid;
  place-items: center;
}

/* -------------------------------------------------------------------------- */
/* Product spotlight                                                          */
/* -------------------------------------------------------------------------- */
.product {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(var(--space-6), 5vw, var(--space-8));
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 4vw, var(--space-8));
  box-shadow: var(--shadow);
}
.product__media {
  border-radius: var(--radius);
  background: radial-gradient(circle at 50% 35%, var(--silver-100), var(--silver-200));
  display: grid;
  place-items: center;
  padding: var(--space-6);
  aspect-ratio: 1 / 1;
}
.product__media img { max-width: 70%; filter: drop-shadow(0 20px 30px rgba(23,42,33,0.22)); }
.product__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-600);
  background: var(--silver-100);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  margin-bottom: var(--space-3);
}
.product__features {
  list-style: none;
  padding: 0;
  margin: var(--space-5) 0;
  display: grid;
  gap: var(--space-2);
}
.product__features li {
  position: relative;
  padding-left: 1.8rem;
  color: var(--text-soft);
}
.product__features li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--green-500);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.3;
}

/* -------------------------------------------------------------------------- */
/* Article                                                                    */
/* -------------------------------------------------------------------------- */
.prose { max-width: 760px; }
.prose h2 { margin-top: var(--space-7); }
.prose h3 { margin-top: var(--space-6); }
.prose p, .prose li { color: var(--text-soft); }
.prose blockquote {
  margin: var(--space-6) 0;
  padding: var(--space-4) var(--space-5);
  border-left: 4px solid var(--green-400);
  background: var(--silver-50);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--dark-700);
}

/* -------------------------------------------------------------------------- */
/* FAQ                                                                        */
/* -------------------------------------------------------------------------- */
.faq { max-width: 800px; margin-inline: auto; }
.faq__item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  margin-bottom: var(--space-3);
  overflow: hidden;
  transition: box-shadow 0.25s var(--ease);
}
.faq__item:hover { box-shadow: var(--shadow-sm); }
.faq__q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--brand-strong);
  padding: var(--space-5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}
.faq__q .faq__icon {
  flex: none;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--silver-100);
  display: grid;
  place-items: center;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
  font-size: 1.2rem;
  color: var(--green-600);
}
.faq__q[aria-expanded="true"] .faq__icon {
  transform: rotate(45deg);
  background: var(--green-400);
  color: #fff;
}
.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease);
}
.faq__a-inner { padding: 0 var(--space-5) var(--space-5); color: var(--text-soft); }

/* -------------------------------------------------------------------------- */
/* Contact / Forms                                                            */
/* -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(var(--space-6), 5vw, var(--space-8));
  align-items: start;
}
.contact-info { display: grid; gap: var(--space-4); }
.contact-info__item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.contact-info__item .ci-icon {
  flex: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--silver-100);
  color: var(--green-600);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
}
.contact-info__item strong { display: block; color: var(--brand-strong); }
.contact-info__item span, .contact-info__item a { color: var(--text-soft); }

.form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-5), 4vw, var(--space-7));
  box-shadow: var(--shadow-sm);
}
.field { margin-bottom: var(--space-5); }
.field label {
  display: block;
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: var(--space-2);
  color: var(--brand-strong);
}
.field input,
.field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--silver-300);
  border-radius: var(--radius-sm);
  background: var(--silver-50);
  color: var(--ink);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--green-400);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(94, 150, 116, 0.15);
}
.field textarea { resize: vertical; min-height: 140px; }

.consent {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: 0.9rem;
  color: var(--text-soft);
  margin-bottom: var(--space-5);
}
.consent input {
  margin-top: 4px;
  width: 18px; height: 18px;
  accent-color: var(--green-500);
  flex: none;
}
.form__note { font-size: 0.82rem; color: var(--text-soft); margin-top: var(--space-4); }

/* -------------------------------------------------------------------------- */
/* Banner / CTA strip                                                         */
/* -------------------------------------------------------------------------- */
.cta-strip {
  background: linear-gradient(135deg, var(--green-500), var(--dark-800));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 5vw, var(--space-8));
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-strip h2 { color: #fff; }
.cta-strip p { color: var(--silver-200); max-width: 540px; margin-inline: auto; }
.cta-strip::before {
  content: "";
  position: absolute;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: rgba(127,176,148,0.25);
  top: -120px; right: -80px;
}

/* -------------------------------------------------------------------------- */
/* Success page                                                               */
/* -------------------------------------------------------------------------- */
.success-wrap {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding-block: var(--space-8);
}
.success-card {
  max-width: 560px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 5vw, var(--space-8));
  box-shadow: var(--shadow);
}
.success-icon {
  width: 88px; height: 88px;
  margin: 0 auto var(--space-5);
  border-radius: 50%;
  background: linear-gradient(140deg, var(--green-300), var(--green-500));
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 2.6rem;
  box-shadow: var(--shadow);
  animation: pop 0.5s var(--ease);
}
@keyframes pop {
  0% { transform: scale(0.6); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* -------------------------------------------------------------------------- */
/* Page hero (inner pages)                                                    */
/* -------------------------------------------------------------------------- */
.page-hero {
  background: linear-gradient(150deg, var(--dark-800), var(--green-600));
  color: var(--silver-100);
  padding-block: clamp(var(--space-7), 7vw, var(--space-9));
}
.page-hero h1 { color: #fff; }
.page-hero p { color: var(--silver-200); max-width: 620px; }
.page-hero .eyebrow { color: var(--accent); }
.page-hero .eyebrow::before { background: var(--accent); }
.breadcrumb {
  list-style: none;
  display: flex;
  gap: var(--space-2);
  padding: 0;
  margin: 0 0 var(--space-4);
  font-size: 0.85rem;
  color: var(--silver-300);
}
.breadcrumb a { color: var(--silver-200); }
.breadcrumb li + li::before { content: "/"; margin-right: var(--space-2); color: var(--silver-400); }

/* -------------------------------------------------------------------------- */
/* Footer                                                                     */
/* -------------------------------------------------------------------------- */
.site-footer {
  background: var(--dark-900);
  color: var(--silver-200);
  padding-block: var(--space-8) var(--space-6);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-7);
}
.site-footer h4 {
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.site-footer .brand { color: #fff; margin-bottom: var(--space-4); }
.site-footer .brand:hover { color: var(--accent); }
.footer-about p { color: var(--silver-300); max-width: 320px; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-2); }
.footer-links a { color: var(--silver-200); font-size: 0.95rem; }
.footer-links a:hover { color: var(--accent); }
.footer-contact { display: grid; gap: var(--space-2); font-size: 0.95rem; color: var(--silver-300); }
.footer-contact a { color: var(--silver-200); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: 0.85rem;
  color: var(--silver-400);
}
.footer-bottom nav { display: flex; flex-wrap: wrap; gap: var(--space-4); }

/* -------------------------------------------------------------------------- */
/* Reveal animation                                                           */
/* -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* -------------------------------------------------------------------------- */
/* Responsive                                                                 */
/* -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .product { grid-template-columns: 1fr; }
  .product__media { max-width: 360px; margin-inline: auto; }
}

@media (max-width: 760px) {
  .nav__links {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    padding: var(--space-3) var(--space-5) var(--space-5);
    transform: translateY(-120%);
    transition: transform 0.35s var(--ease);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links li { border-bottom: 1px solid var(--line); }
  .nav__links li:last-child { border-bottom: none; }
  .nav__links a { display: block; padding: var(--space-4) 0; }
  .nav__cta { margin: var(--space-3) 0 0; }
  .nav__cta .btn { width: 100%; }
  .nav__toggle { display: block; }

  .split, .split--reverse .split__media { grid-template-columns: 1fr; order: 0; }
  .split { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero__stats { gap: var(--space-5); }
}

@media (max-width: 480px) {
  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
}