/* ============================================================
   PlanetaryPixels — Design System
   Warm-light canonical theme; intentional dark sections.
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* Type scale (spec: Hero 56–72, H2 36–42, H3 22–26, Body 16–20, Caption 13) */
  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);   /* 12 → 13 caption */
  --text-sm: clamp(0.875rem, 0.85rem + 0.15vw, 0.9375rem);  /* 14 → 15 button/nav */
  --text-base: 1rem;                                         /* 16 body */
  --text-lg: clamp(1.0625rem, 1rem + 0.4vw, 1.25rem);        /* 17 → 20 body large */
  --text-h3: clamp(1.375rem, 1.2rem + 0.7vw, 1.625rem);      /* 22 → 26 H3 */
  --text-h2: clamp(2rem, 1.5rem + 1.6vw, 2.625rem);          /* 32 → 42 H2 */
  --text-hero: clamp(2.75rem, 1.6rem + 4.2vw, 4.5rem);       /* 44 → 72 hero */
  --text-display: clamp(2.5rem, 1.4rem + 4vw, 4rem);         /* page titles */

  /* Spacing (4px base) */
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem;    --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;    --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;   --space-20: 5rem;   --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --content-max: 1280px;
  --gutter: clamp(1.25rem, 5vw, 5rem); /* up to 80px desktop */
  --section-pad: clamp(3.5rem, 8vw, 7.5rem);

  /* Fonts */
  --font-display: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Helvetica Neue', sans-serif;

  /* Motion */
  --transition-interactive: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --radius-sm: 2px;
  --radius-md: 3px;
}

/* ---------- Theme: Light (canonical) ---------- */
:root,
[data-theme='light'] {
  --color-bg: #F5F2EE;
  --color-bg-2: #EDEDEA;
  --color-surface: #FFFFFF;
  --color-text: #1A1A18;
  --color-text-2: #4A4845;
  --color-text-3: #8C8A85;
  --color-border: #D9D5CF;
  --color-accent: #8B3A2A;
  --color-accent-hover: #A64733;
  --color-dark-bg: #1E2022;
  --color-dark-text: #F0EDE8;

  /* Header surface (frosted) */
  --header-bg: rgba(245, 242, 238, 0.82);
  --header-border: rgba(217, 213, 207, 0);
}

/* ---------- Theme: Dark ---------- */
[data-theme='dark'] {
  --color-bg: #1A1B1C;
  --color-bg-2: #202224;
  --color-surface: #25282A;
  --color-text: #F0EDE8;
  --color-text-2: #BCB9B2;
  --color-text-3: #8C8A85;
  --color-border: #34383A;
  --color-accent: #C06046;          /* lifted rust for AA on dark */
  --color-accent-hover: #D17B61;
  --color-dark-bg: #131415;
  --color-dark-text: #F0EDE8;

  --header-bg: rgba(26, 27, 28, 0.82);
  --header-border: rgba(52, 56, 58, 0);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #1A1B1C;
    --color-bg-2: #202224;
    --color-surface: #25282A;
    --color-text: #F0EDE8;
    --color-text-2: #BCB9B2;
    --color-text-3: #8C8A85;
    --color-border: #34383A;
    --color-accent: #C06046;
    --color-accent-hover: #D17B61;
    --color-dark-bg: #131415;
    --header-bg: rgba(26, 27, 28, 0.82);
    --header-border: rgba(52, 56, 58, 0);
  }
}

/* ============================================================
   Base / Reset
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  font-feature-settings: "kern", "liga";
  transition: background-color 250ms ease, color 250ms ease;
}

img, picture, video, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 { text-wrap: balance; line-height: 1.08; font-weight: 400; }
p { text-wrap: pretty; }

a { color: inherit; text-decoration: none; }

::selection { background: color-mix(in srgb, var(--color-accent) 22%, transparent); }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

button { cursor: pointer; background: none; border: none; }

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ============================================================
   Typography helpers
   ============================================================ */
.display { font-family: var(--font-display); font-weight: 400; letter-spacing: -0.01em; }
.serif { font-family: var(--font-display); font-weight: 400; letter-spacing: -0.01em; }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
  display: block;
}

.lede {
  font-size: var(--text-lg);
  color: var(--color-text-2);
  max-width: 56ch;
  line-height: 1.55;
}

/* ============================================================
   Layout
   ============================================================ */
.wrap {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-pad); }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }
.section--bg2 { background: var(--color-bg-2); }
.section--surface { background: var(--color-surface); }

.section--dark {
  background: var(--color-dark-bg);
  color: var(--color-dark-text);
}
.section--dark .eyebrow { color: var(--color-accent-hover); }
[data-theme='dark'] .section--dark { background: var(--color-dark-bg); }

.divider-line { height: 1px; background: var(--color-border); border: 0; }

/* Two-column feature */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.feature--reverse .feature__media { order: 2; }
.feature__media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; gap: var(--space-8); }
  .feature--reverse .feature__media { order: 0; }
}

/* ============================================================
   Header / Nav
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color 250ms ease, border-color 250ms ease, backdrop-filter 250ms ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: var(--header-bg);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom-color: var(--color-border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  height: 76px;
}
.brand { display: inline-flex; align-items: center; gap: var(--space-3); color: var(--color-text); }
.brand svg { height: 26px; width: auto; }
.brand__name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  line-height: 1;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}
.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-2);
  padding-block: var(--space-2);
  position: relative;
  transition: color var(--transition-interactive);
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-interactive);
}
.nav__link:hover { color: var(--color-text); }
.nav__link:hover::after,
.nav__link[aria-current='page']::after { transform: scaleX(1); }
.nav__link[aria-current='page'] { color: var(--color-text); }

.nav__right { display: flex; align-items: center; gap: var(--space-5); }

/* Dropdown */
.has-dropdown { position: relative; }
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 280px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  opacity: 0;
  visibility: hidden;
  transition: opacity 180ms var(--ease-out), transform 180ms var(--ease-out), visibility 180ms;
  box-shadow: 0 18px 40px rgba(26,26,24,0.08);
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.dropdown a {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-text-2);
  transition: background var(--transition-interactive), color var(--transition-interactive);
}
.dropdown a:hover { background: var(--color-bg-2); color: var(--color-text); }
.dropdown a strong { display: block; color: var(--color-text); font-weight: 600; }

.theme-toggle {
  display: inline-grid; place-items: center;
  width: 38px; height: 38px;
  border-radius: var(--radius-full, 999px);
  color: var(--color-text-2);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-bg-2); }

/* Hamburger */
.nav__toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; color: var(--color-text); }
.nav__toggle svg { width: 24px; height: 24px; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-sm); font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-interactive), color var(--transition-interactive), border-color var(--transition-interactive);
  border: 1px solid transparent;
  line-height: 1;
}
.btn--primary { background: var(--color-accent); color: #FFF; }
.btn--primary:hover { background: var(--color-accent-hover); }
.btn--secondary {
  background: transparent; color: var(--color-text);
  border-color: var(--color-border);
}
.btn--secondary:hover { border-color: var(--color-text); }
.btn--on-dark.btn--secondary { color: var(--color-dark-text); border-color: rgba(240,237,232,0.32); }
.btn--on-dark.btn--secondary:hover { border-color: var(--color-dark-text); }

.textlink {
  display: inline-flex; align-items: center; gap: 0.4em;
  font-size: var(--text-sm); font-weight: 600;
  color: var(--color-accent);
  transition: color var(--transition-interactive), gap var(--transition-interactive);
}
.textlink:hover { color: var(--color-accent-hover); gap: 0.7em; }
.textlink .arrow { transition: transform var(--transition-interactive); }
.textlink:hover .arrow { transform: translateX(3px); }
.section--dark .textlink { color: var(--color-dark-text); }
.section--dark .textlink:hover { color: var(--color-accent-hover); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: clamp(560px, 84vh, 820px);
  display: flex;
  align-items: flex-end;
  color: var(--color-dark-text);
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(20,22,24,0.78) 0%, rgba(20,22,24,0.55) 45%, rgba(20,22,24,0.30) 100%);
}
.hero__inner {
  position: relative; z-index: 1;
  width: 100%;
  padding-block: clamp(3rem, 8vh, 6rem);
}
.hero__content { max-width: 760px; }
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  letter-spacing: -0.01em;
  line-height: 1.04;
  margin-bottom: var(--space-6);
}
.hero__sub {
  font-size: var(--text-lg);
  color: rgba(240,237,232,0.9);
  max-width: 60ch;
  margin-bottom: var(--space-8);
  line-height: 1.5;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--space-4); }

/* ============================================================
   Page header (interior pages)
   ============================================================ */
.page-head { padding-top: clamp(3.5rem, 8vw, 6.5rem); padding-bottom: clamp(2rem, 4vw, 3.5rem); }
.page-head h1 {
  font-family: var(--font-display);
  font-size: var(--text-display);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-6);
  max-width: 18ch;
}
.page-head .lede { max-width: 62ch; }

/* ============================================================
   Section heading block
   ============================================================ */
.heading-block { max-width: 64ch; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.heading-block h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-5);
}
.section-h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  letter-spacing: -0.01em;
}

.prose p { color: var(--color-text-2); font-size: var(--text-lg); line-height: 1.62; max-width: 64ch; }
.prose p + p { margin-top: var(--space-5); }
.prose--base p { font-size: var(--text-base); }

/* ============================================================
   Cards
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.card-grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .card-grid, .card-grid--2 { grid-template-columns: 1fr; } }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-interactive);
}
a.card:hover { border-color: var(--color-text-3); }
.card__num {
  font-size: var(--text-xs); font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--color-text-3); margin-bottom: var(--space-4);
}
.card h3 {
  font-family: var(--font-body);
  font-size: var(--text-h3);
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1.18;
  margin-bottom: var(--space-3);
}
.card__tagline {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.card p { color: var(--color-text-2); font-size: var(--text-base); margin-bottom: var(--space-5); flex: 1; }
.card .textlink { margin-top: auto; }
.card--secondary { background: transparent; }
.card--secondary h3 { font-size: var(--text-lg); }
.card--secondary p { margin-bottom: 0; }

/* Image card (case studies) */
.imgcard { padding: 0; overflow: hidden; }
.imgcard__media { aspect-ratio: 3 / 2; overflow: hidden; border-bottom: 1px solid var(--color-border); }
.imgcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--ease-out); }
a.imgcard:hover .imgcard__media img { transform: scale(1.03); }
.imgcard__body { padding: var(--space-8); display: flex; flex-direction: column; flex: 1; }

/* ============================================================
   List / examine items
   ============================================================ */
.spec-list { list-style: none; display: grid; gap: 1px; background: var(--color-border); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.spec-list li {
  background: var(--color-surface);
  padding: var(--space-6) var(--space-8);
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: var(--space-4);
}
.spec-list .spec-num { color: var(--color-accent); font-size: var(--text-sm); font-weight: 600; font-variant-numeric: tabular-nums; padding-top: 0.15em; }
.spec-list .spec-body strong { display: block; font-weight: 600; font-size: var(--text-lg); margin-bottom: var(--space-2); font-family: var(--font-body); }
.spec-list .spec-body p { color: var(--color-text-2); margin: 0; font-size: var(--text-base); max-width: 70ch; }
@media (max-width: 560px) { .spec-list li { grid-template-columns: 1fr; gap: var(--space-2); } }

/* Plain check list */
.check-list { list-style: none; display: grid; gap: var(--space-4); }
.check-list li {
  position: relative;
  padding-left: var(--space-8);
  color: var(--color-text-2);
  font-size: var(--text-lg);
  max-width: 68ch;
}
.check-list li::before {
  content: '';
  position: absolute; left: 0; top: 0.62em;
  width: 14px; height: 1px; background: var(--color-accent);
}

/* ============================================================
   Big CTA section
   ============================================================ */
.cta-block { max-width: 56ch; }
.cta-block h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-5);
  line-height: 1.1;
}
.cta-block p { color: var(--color-text-2); font-size: var(--text-lg); margin-bottom: var(--space-8); }
.section--dark .cta-block p { color: rgba(240,237,232,0.78); }
.cta-block .actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-5); }

.cta-dark-bg {
  position: relative;
  background: var(--color-dark-bg);
  color: var(--color-dark-text);
  overflow: hidden;
}
.cta-dark-bg .bg { position: absolute; inset: 0; z-index: 0; opacity: 0.32; }
.cta-dark-bg .bg img { width: 100%; height: 100%; object-fit: cover; }
.cta-dark-bg .bg::after { content:''; position:absolute; inset:0; background: linear-gradient(90deg, rgba(19,20,21,0.92), rgba(19,20,21,0.55)); }
.cta-dark-bg .wrap { position: relative; z-index: 1; }

/* ============================================================
   Stat / meta row
   ============================================================ */
.meta-row { display: flex; flex-wrap: wrap; gap: clamp(2rem,5vw,4rem); border-top: 1px solid var(--color-border); padding-top: var(--space-8); margin-top: var(--space-10); }
.meta-row .meta__k { font-family: var(--font-display); font-size: clamp(2rem,4vw,2.75rem); line-height: 1; margin-bottom: var(--space-2); }
.meta-row .meta__v { font-size: var(--text-sm); color: var(--color-text-3); text-transform: uppercase; letter-spacing: 0.06em; }

/* ============================================================
   Contact form
   ============================================================ */
.form-grid { display: grid; gap: var(--space-6); max-width: 620px; }
.field { display: grid; gap: var(--space-2); }
.field label { font-size: var(--text-sm); font-weight: 600; }
.field .hint { font-size: var(--text-xs); color: var(--color-text-3); }
.field input, .field textarea {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.8rem 0.9rem;
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 14%, transparent);
}
.field textarea { resize: vertical; min-height: 140px; }
.field--error input, .field--error textarea { border-color: #B23A2A; }
.field__err { font-size: var(--text-xs); color: #B23A2A; display: none; }
.field--error .field__err { display: block; }
.form-note { font-size: var(--text-sm); color: var(--color-text-3); margin-top: var(--space-4); }

.form-success {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--space-10);
  max-width: 620px;
}
.form-success h3 { font-family: var(--font-display); font-size: var(--text-h3); margin-bottom: var(--space-4); }
.form-success p { color: var(--color-text-2); }
.is-hidden { display: none !important; }

.contact-aside { font-size: var(--text-base); color: var(--color-text-2); }
.contact-aside dt { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-3); margin-bottom: var(--space-2); }
.contact-aside dd { margin-bottom: var(--space-6); }
.contact-aside a { color: var(--color-accent); transition: color var(--transition-interactive); }
.contact-aside a:hover { color: var(--color-accent-hover); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: var(--color-dark-bg); color: var(--color-dark-text); padding-block: clamp(3.5rem, 6vw, 5.5rem) var(--space-10); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: clamp(2rem,4vw,3.5rem); }
.footer-brand svg { height: 28px; color: var(--color-dark-text); margin-bottom: var(--space-5); }
.footer-brand .brand__name { font-family: var(--font-display); font-size: 1.5rem; }
.footer-tagline { color: rgba(240,237,232,0.7); max-width: 30ch; margin-top: var(--space-4); font-size: var(--text-base); }
.footer-col h4 { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: rgba(240,237,232,0.55); margin-bottom: var(--space-5); font-weight: 500; font-family: var(--font-body); }
.footer-col ul { list-style: none; display: grid; gap: var(--space-3); }
.footer-col a { color: rgba(240,237,232,0.82); font-size: var(--text-sm); transition: color var(--transition-interactive); }
.footer-col a:hover { color: var(--color-dark-text); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-4); margin-top: clamp(3rem,5vw,4.5rem); padding-top: var(--space-8); border-top: 1px solid rgba(240,237,232,0.12); }
.footer-bottom p { color: rgba(240,237,232,0.5); font-size: var(--text-xs); }
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-10); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 460px) { .footer-grid { grid-template-columns: 1fr; } }

/* ============================================================
   Reveal animation (opacity + translate, JS-gated)
   ============================================================ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 400ms var(--ease-out), transform 400ms var(--ease-out); }
.reveal.is-in { opacity: 1; transform: none; }

/* ============================================================
   Mobile nav
   ============================================================ */
.mobile-nav {
  position: fixed; inset: 0; z-index: 200;
  background: var(--color-bg);
  display: flex; flex-direction: column;
  padding: var(--space-6) var(--gutter) var(--space-10);
  transform: translateX(100%);
  transition: transform 280ms var(--ease-out);
  overflow-y: auto;
}
.mobile-nav.is-open { transform: none; }
.mobile-nav__top { display: flex; align-items: center; justify-content: space-between; height: 76px; margin: 0 calc(-1 * 0) 0; }
.mobile-nav__links { list-style: none; display: grid; gap: var(--space-2); margin-top: var(--space-6); }
.mobile-nav__links > li > a, .mobile-nav__group-label {
  display: block; font-family: var(--font-display); font-size: 1.75rem; padding-block: var(--space-3); color: var(--color-text);
}
.mobile-nav__sub { list-style: none; display: grid; gap: var(--space-1); padding-left: var(--space-2); padding-bottom: var(--space-3); }
.mobile-nav__sub a { font-family: var(--font-body); font-size: var(--text-base); color: var(--color-text-2); padding-block: var(--space-2); display: block; }
.mobile-nav__group-label { color: var(--color-text-3); font-size: 1.1rem; font-family: var(--font-body); text-transform: uppercase; letter-spacing: 0.08em; padding-block: var(--space-4) var(--space-1); }
.mobile-nav .btn { margin-top: var(--space-8); justify-content: center; }
body.nav-open { overflow: hidden; }

@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__right .btn--primary { display: none; }
  .nav__toggle { display: inline-flex; }
}

/* small phones: hero CTA stack */
@media (max-width: 460px) {
  .hero__cta .btn { width: 100%; justify-content: center; }
}