@layer reset, base, layout, components, utilities;

/* ============================================================
   TOKENS
   ============================================================ */
:root {
  /* Brand — Deep Teal + Copper */
  --color-brand-primary:   #0d4a5c;   /* deep teal */
  --color-brand-accent:    #c04a27;   /* burnt copper */
  --color-brand-secondary: #266a7d;   /* mid teal */

  /* Surfaces */
  --color-bg:              #ffffff;
  --color-bg-subtle:       #f1f5f5;   /* cool off-white */
  --color-bg-muted:        #e3ebeb;   /* muted teal-grey */
  --color-bg-dark:         #0a2a35;   /* darkest teal */

  /* Text */
  --color-text:            #1f2937;
  --color-text-muted:      #4b5563;
  --color-text-subtle:     #6b7280;
  --color-text-on-dark:    #d5e1e4;
  --color-heading:         #0a2a35;

  /* Borders */
  --color-border:          #dde4e4;
  --color-border-strong:   #c3cece;
  --color-border-on-dark:  rgba(255, 255, 255, 0.15);

  /* Semantic */
  --color-accent:          var(--color-brand-accent);
  --color-accent-hover:    #a03d1f;   /* deeper copper on hover */
  --color-link:            var(--color-brand-primary);
  --color-link-hover:      var(--color-brand-accent);
  --color-focus-ring:      var(--color-brand-accent);
  --color-error:           #b91c1c;

  /* Spacing (8pt) */
  --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;

  --section-padding: clamp(3.5rem, 7vw, 6rem);

  /* Container */
  --container-max:     74rem;
  --container-padding: clamp(1.25rem, 5vw, 2.5rem);

  /* Type scale (flatter — no oversized display) */
  --text-display: clamp(2rem,    4vw + 0.5rem, 3.25rem);
  --text-h1:      clamp(1.875rem, 3vw + 0.5rem, 2.75rem);
  --text-h2:      clamp(1.5rem,  2.5vw + 0.4rem, 2.125rem);
  --text-h3:      clamp(1.2rem,  1.5vw + 0.3rem, 1.5rem);
  --text-h4:      clamp(1.05rem, 0.8vw + 0.3rem, 1.2rem);
  --text-body:    clamp(1rem,    0.3vw + 0.9rem, 1.0625rem);
  --text-small:   0.9rem;
  --text-xs:      0.8rem;

  --leading-tight:  1.2;
  --leading-snug:   1.4;
  --leading-normal: 1.65;

  /* Fonts — Inter only, no serif */
  --font-sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  /* Radii — tighter, less "designed" */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;

  /* Transitions */
  --transition-base: 180ms ease;
}

/* ============================================================
   RESET
   ============================================================ */
@layer reset {
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
  body { min-block-size: 100vh; }
  img, picture, svg, video { display: block; max-inline-size: 100%; block-size: auto; }
  input, button, textarea, select { font: inherit; color: inherit; }
  button { background: none; border: none; cursor: pointer; }
  ul[role="list"], ol[role="list"] { list-style: none; }
  :focus-visible { outline: 2px solid var(--color-focus-ring); outline-offset: 2px; }
}

/* ============================================================
   BASE
   ============================================================ */
@layer base {
  body {
    font-family: var(--font-sans);
    font-size: var(--text-body);
    line-height: var(--leading-normal);
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }
  h1, h2, h3, h4 {
    font-weight: 700;
    line-height: var(--leading-tight);
    color: var(--color-heading);
    letter-spacing: -0.01em;
  }
  h1 { font-size: var(--text-h1); }
  h2 { font-size: var(--text-h2); }
  h3 { font-size: var(--text-h3); }
  h4 { font-size: var(--text-h4); }
  p { max-inline-size: 70ch; }
  a { color: var(--color-link); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.2em; transition: color var(--transition-base); }
  a:hover { color: var(--color-link-hover); }
  a.unstyled, .site-footer a, .nav a, .card__link, .button { text-decoration: none; }
  ::selection { background: var(--color-brand-accent); color: #fff; }
}

/* ============================================================
   LAYOUT
   ============================================================ */
@layer layout {
  .container {
    inline-size: 100%;
    max-inline-size: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
  }
  .section { padding-block: var(--section-padding); }
  .section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }
  .section--subtle { background: var(--color-bg-subtle); }
  .section--dark { background: var(--color-bg-dark); color: var(--color-text-on-dark); }
  .section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }
  .section--dark p { color: var(--color-text-on-dark); }

  .skip-link {
    position: absolute;
    inset-block-start: -100px;
    inset-inline-start: 1rem;
    padding: var(--space-3) var(--space-5);
    background: var(--color-brand-accent);
    color: #fff;
    text-decoration: none;
    z-index: 1000;
    border-radius: var(--radius-md);
  }
  .skip-link:focus { inset-block-start: 1rem; }

  .grid-2 { display: grid; gap: var(--space-8); }
  .grid-3 { display: grid; gap: var(--space-6); }
  .grid-auto { display: grid; gap: var(--space-5); grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }

  @media (width >= 48rem) {
    .grid-2 { grid-template-columns: repeat(2, 1fr); gap: var(--space-10); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
  }
}

/* ============================================================
   COMPONENTS
   ============================================================ */
@layer components {

  /* ── HEADER ─────────────────────────────── */
  .site-header {
    position: sticky;
    inset-block-start: 0;
    z-index: 100;
    background: #fff;
    border-block-end: 1px solid var(--color-border);
    transition: box-shadow var(--transition-base), transform 280ms ease;
  }
  .site-header.is-scrolled { box-shadow: 0 2px 10px rgba(15,30,45,0.06); }
  /* Auto-hide on mobile when scrolling down, reveal when scrolling up */
  @media (width < 64rem) {
    .site-header.site-header--hidden { transform: translateY(-100%); }
  }
  .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding-block: var(--space-4);
  }
  .nav__logo {
    display: inline-flex;
    align-items: center;
    line-height: 0;
  }
  .nav__logo img {
    block-size: clamp(2rem, 3vw + 1rem, 2.5rem);
    inline-size: auto;
    display: block;
  }
  .nav__list {
    display: none;
    gap: var(--space-6);
  }
  .nav__list a {
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 500;
    padding-block: var(--space-2);
    border-block-end: 2px solid transparent;
  }
  .nav__list a:hover,
  .nav__list a[aria-current="page"] {
    color: var(--color-brand-primary);
    border-block-end-color: var(--color-brand-accent);
  }
  .nav__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: var(--color-brand-accent);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    white-space: nowrap;
  }
  .nav__cta:hover { background: var(--color-accent-hover); color: #fff; }
  .nav__cta svg { inline-size: 1rem; block-size: 1rem; }
  .nav__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    inline-size: 2.5rem;
    block-size: 2.5rem;
    color: var(--color-brand-primary);
    background: transparent;
    border-radius: var(--radius-md);
  }
  .nav__toggle svg { inline-size: 1.5rem; block-size: 1.5rem; }

  @media (width >= 64rem) {
    .nav__list { display: flex; }
    .nav__toggle { display: none; }
  }

  .nav--open .nav__list {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    inset-block-start: 4.5rem;
    background: #fff;
    padding: var(--space-8) var(--container-padding);
    gap: var(--space-5);
    border-block-start: 1px solid var(--color-border);
  }
  .nav--open .nav__list a { font-size: 1.125rem; }

  /* ── HERO (light, trade-style) ─────────── */
  .hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #ffffff 0%, #f4f8f9 50%, #e8eff1 100%);
    padding-block: clamp(3rem, 7vw, 5rem);
    border-block-end: 1px solid var(--color-border);
  }
  /* Lava-lamp warmth: two blurred copper blobs, different sizes and paths, counter-drifting with scale breathing */
  .hero::before,
  .hero::after {
    content: "";
    position: absolute;
    inset: -20%;
    pointer-events: none;
    z-index: 0;
    will-change: transform;
    border-radius: 50%;
  }
  .hero::before {
    background: radial-gradient(
      ellipse 55% 65% at 50% 50%,
      rgba(192, 74, 39, 0.28) 0%,
      rgba(192, 74, 39, 0.12) 40%,
      transparent 75%
    );
    filter: blur(38px);
    animation: lava-a 14s ease-in-out infinite;
  }
  .hero::after {
    background: radial-gradient(
      ellipse 42% 50% at 50% 50%,
      rgba(160, 61, 31, 0.24) 0%,
      rgba(160, 61, 31, 0.10) 40%,
      transparent 72%
    );
    filter: blur(44px);
    animation: lava-b 11s ease-in-out infinite;
  }
  .hero > .container { position: relative; z-index: 1; }

  @keyframes lava-a {
    0%   { transform: translate(22%, -14%) scale(1); }
    25%  { transform: translate(-16%, 10%) scale(1.15); }
    50%  { transform: translate(-26%, -5%) scale(0.92); }
    75%  { transform: translate(8%, 18%) scale(1.1); }
    100% { transform: translate(22%, -14%) scale(1); }
  }
  @keyframes lava-b {
    0%   { transform: translate(-28%, 18%) scale(1.1); }
    20%  { transform: translate(14%, -8%) scale(0.88); }
    45%  { transform: translate(26%, 14%) scale(1.18); }
    70%  { transform: translate(-6%, -20%) scale(1); }
    100% { transform: translate(-28%, 18%) scale(1.1); }
  }

  @media (prefers-reduced-motion: reduce) {
    .hero::before, .hero::after { animation: none; }
  }
  .hero__grid {
    display: grid;
    gap: var(--space-10);
    align-items: center;
  }
  @media (width >= 56rem) {
    .hero__grid { grid-template-columns: 1.1fr 1fr; }
  }
  .hero__eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-brand-accent);
    padding: var(--space-1) var(--space-3);
    background: #f5e4d8;  /* soft copper tint */
    border-radius: var(--radius-sm);
    margin-block-end: var(--space-4);
  }
  .hero h1 {
    font-size: var(--text-display);
    color: var(--color-heading);
    margin-block-end: var(--space-4);
    max-inline-size: 18ch;
  }
  .hero__subtext {
    font-size: var(--text-h4);
    color: var(--color-text-muted);
    margin-block-end: var(--space-6);
    max-inline-size: 42rem;
  }
  .hero__ctas { display: flex; flex-wrap: wrap; gap: var(--space-3); }
  .hero__media {
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: var(--color-bg-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-subtle);
    font-size: 0.85rem;
  }
  .hero__media img { inline-size: 100%; block-size: 100%; object-fit: cover; }

  /* ── BUTTONS ───────────────────────────── */
  .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.2;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    transition: background var(--transition-base), border-color var(--transition-base), color var(--transition-base);
    cursor: pointer;
  }
  .button--accent { background: var(--color-brand-accent); color: #fff; }
  .button--accent:hover { background: var(--color-accent-hover); color: #fff; }
  .button--primary { background: var(--color-brand-primary); color: #fff; }
  .button--primary:hover { background: var(--color-brand-secondary); color: #fff; }
  .button--outline { background: transparent; color: var(--color-brand-primary); border-color: var(--color-border-strong); }
  .button--outline:hover { border-color: var(--color-brand-primary); color: var(--color-brand-primary); }
  .button--outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.45); }
  .button--outline-light:hover { border-color: #fff; color: #fff; }

  /* Auto-flip outline buttons to white text on dark backgrounds */
  .cta-band .button--outline,
  .section--dark .button--outline,
  .site-footer .button--outline {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.45);
  }
  .cta-band .button--outline:hover,
  .section--dark .button--outline:hover,
  .site-footer .button--outline:hover {
    color: #fff;
    border-color: #fff;
    background: rgba(255, 255, 255, 0.08);
  }
  .button--large { padding: var(--space-4) var(--space-6); font-size: 1rem; }
  .button svg { inline-size: 1.1em; block-size: 1.1em; }

  /* ── TRUST BAR (flat, no orange dots) ──── */
  .trust-bar {
    background: var(--color-bg-subtle);
    padding-block: var(--space-4);
    border-block-end: 1px solid var(--color-border);
  }
  .trust-bar__list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-2) var(--space-6);
    list-style: none;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
  }
  .trust-bar__list li {
    display: flex;
    align-items: center;
    text-align: center;
  }
  /* Inline middle-dot only when items fit on one row (desktop) */
  @media (width >= 64rem) {
    .trust-bar__list li + li::before {
      content: "·";
      color: var(--color-text-subtle);
      margin-inline-end: var(--space-6);
      font-weight: 700;
    }
  }
  /* On mobile/tablet, stack items as a vertical list with consistent spacing */
  @media (width < 64rem) {
    .trust-bar__list {
      flex-direction: column;
      gap: var(--space-2);
    }
  }

  /* ── SECTION HEADER ────────────────────── */
  .section__header { max-inline-size: 44rem; margin-block-end: var(--space-10); }
  .section__header--center { margin-inline: auto; text-align: center; }
  .section__eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-brand-accent);
    margin-block-end: var(--space-2);
  }
  .section__lede {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    margin-block-start: var(--space-3);
  }

  /* ── CARDS (flat, no hover lift) ───────── */
  .card {
    background: #fff;
    padding: var(--space-6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    border-block-start: 3px solid var(--color-brand-primary);
  }
  .section--subtle .card { background: #fff; }
  .card__icon {
    inline-size: 2rem;
    block-size: 2rem;
    color: var(--color-brand-primary);
    margin-block-end: var(--space-4);
  }
  .card h3 { margin-block-end: var(--space-2); font-size: 1.125rem; }
  .card p { color: var(--color-text-muted); font-size: 0.95rem; }
  .card__link {
    display: inline-block;
    margin-block-start: var(--space-4);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-brand-accent);
  }
  .card__link:hover { color: var(--color-accent-hover); text-decoration: underline; }

  /* ── STATS (smaller, sans-serif) ───────── */
  .stats {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: repeat(2, 1fr);
    padding-block: var(--space-8);
    text-align: center;
  }
  @media (width >= 48rem) {
    .stats { grid-template-columns: repeat(4, 1fr); gap: var(--space-8); }
  }
  .stat__number {
    display: block;
    font-size: clamp(1.75rem, 3vw + 0.5rem, 2.25rem);
    font-weight: 800;
    color: var(--color-brand-primary);
    line-height: 1;
    margin-block-end: var(--space-1);
    letter-spacing: -0.02em;
  }
  .stat__label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
  }

  /* ── STEPS (numbered, flat) ────────────── */
  .steps { display: grid; gap: var(--space-5); }
  @media (width >= 48rem) { .steps { grid-template-columns: repeat(3, 1fr); } }
  .step {
    padding: var(--space-6);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
  }
  .step__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    inline-size: 2rem;
    block-size: 2rem;
    background: var(--color-brand-primary);
    color: #fff;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: 50%;
    margin-block-end: var(--space-3);
  }
  .step h3 { margin-block-end: var(--space-2); font-size: 1.125rem; }
  .step p { color: var(--color-text-muted); font-size: 0.95rem; }

  /* ── TWO-COL CONTENT ───────────────────── */
  .two-col { display: grid; gap: var(--space-8); align-items: center; }
  @media (width >= 48rem) { .two-col { grid-template-columns: 1fr 1fr; gap: var(--space-10); } }
  .two-col--reversed .two-col__media { order: -1; }
  @media (width >= 48rem) { .two-col--reversed .two-col__media { order: 1; } }
  .two-col__media {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-bg-subtle);
    aspect-ratio: 4 / 3;
    display: flex; align-items: center; justify-content: center;
    color: var(--color-text-subtle);
    font-size: 0.85rem;
  }
  .two-col__media img { inline-size: 100%; block-size: 100%; object-fit: cover; }
  .two-col__body > * + * { margin-block-start: var(--space-4); }

  /* ── SERVICES LIST (two-col bullets) ───── */
  .services-list {
    display: grid;
    gap: var(--space-1) var(--space-8);
    list-style: none;
  }
  @media (width >= 40rem) { .services-list { grid-template-columns: repeat(2, 1fr); } }
  .services-list li {
    padding-block: var(--space-3);
    border-block-end: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-text);
  }
  .services-list li::before {
    content: "";
    flex-shrink: 0;
    inline-size: 0.5rem;
    block-size: 0.5rem;
    background: var(--color-brand-primary);
    border-radius: 50%;
  }

  /* ── CHECKLIST ─────────────────────────── */
  .checklist { list-style: none; display: grid; gap: var(--space-3); }
  .checklist--2col { grid-template-columns: 1fr; }
  @media (width >= 48rem) {
    .checklist--2col { grid-template-columns: repeat(2, 1fr); gap: var(--space-3) var(--space-8); }
  }
  .checklist li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding-block: var(--space-2);
  }
  .checklist li::before {
    content: "";
    flex-shrink: 0;
    inline-size: 1.25rem;
    block-size: 1.25rem;
    background: var(--color-brand-primary);
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 70% no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 70% no-repeat;
    border-radius: 50%;
    margin-block-start: 0.25em;
  }

  /* ── BENEFIT GRID (8 items) ────────────── */
  .benefits {
    display: grid;
    gap: var(--space-5);
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  }
  .benefit {
    padding: var(--space-5);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
  }
  .benefit__icon {
    inline-size: 2.5rem;
    block-size: 2.5rem;
    color: var(--color-brand-primary);
    margin-inline: auto;
    margin-block-end: var(--space-3);
  }
  .benefit h3 { font-size: 1rem; margin-block-end: var(--space-2); }
  .benefit p { font-size: 0.875rem; color: var(--color-text-muted); margin-inline: auto; }

  /* ── BRAND LOGOS ───────────────────────── */
  .brand-logos {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
    align-items: center;
    justify-items: center;
    padding: var(--space-6);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
  }
  .brand-logos img {
    max-block-size: 2.75rem;
    inline-size: auto;
    opacity: 0.8;
  }

  /* ── BRAND CARDS ───────────────────────── */
  .brand-cards {
    display: grid;
    gap: var(--space-4);
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  }
  .brand-card {
    padding: var(--space-5);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
  }
  .brand-card__logo { block-size: 2.5rem; margin-inline: auto; margin-block-end: var(--space-3); }
  .brand-card h3 { font-size: 1.05rem; margin-block-end: var(--space-2); }
  .brand-card__usp { font-size: 0.875rem; color: var(--color-text-muted); margin-block-end: var(--space-3); }

  /* ── TESTIMONIALS ──────────────────────── */
  .testimonials { display: grid; gap: var(--space-5); }
  @media (width >= 48rem) { .testimonials { grid-template-columns: repeat(3, 1fr); } }
  .testimonial {
    padding: var(--space-6);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
  }
  .testimonial__stars {
    display: flex;
    gap: 0.125rem;
    color: var(--color-brand-accent);
    margin-block-end: var(--space-3);
  }
  .testimonial__stars svg { inline-size: 1rem; block-size: 1rem; }
  .testimonial blockquote { font-size: 0.95rem; color: var(--color-text); font-style: italic; }
  .testimonial figcaption {
    margin-block-start: var(--space-3);
    font-size: 0.875rem;
    color: var(--color-text-muted);
  }
  .testimonial figcaption strong { color: var(--color-text); font-weight: 600; }

  /* ── FAQ ───────────────────────────────── */
  .faq { max-inline-size: 48rem; margin-inline: auto; }
  .faq-item {
    border-block-end: 1px solid var(--color-border);
    padding-block: var(--space-5);
  }
  .faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    list-style: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-heading);
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary::after {
    content: "+";
    font-size: 1.5em;
    color: var(--color-brand-accent);
    transition: transform var(--transition-base);
    flex-shrink: 0;
    font-weight: 400;
  }
  .faq-item[open] summary::after { transform: rotate(45deg); }
  .faq-item summary:hover { color: var(--color-brand-accent); }
  .faq-item__body { padding-block-start: var(--space-3); color: var(--color-text-muted); font-size: 0.95rem; }

  /* ── CONTACT FORM ──────────────────────── */
  .contact-form {
    display: grid;
    gap: var(--space-4);
    padding: var(--space-6);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
  }
  .contact-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-block-end: var(--space-2);
    color: var(--color-text);
  }
  .contact-form input,
  .contact-form select,
  .contact-form textarea {
    inline-size: 100%;
    padding: var(--space-3) var(--space-4);
    background: #fff;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    color: var(--color-text);
  }
  .contact-form input:focus,
  .contact-form select:focus,
  .contact-form textarea:focus {
    outline: 2px solid var(--color-focus-ring);
    outline-offset: 1px;
    border-color: var(--color-brand-primary);
  }
  .contact-form textarea { resize: vertical; min-block-size: 6.5rem; }
  .contact-form [aria-invalid="true"] { border-color: var(--color-error); }
  .contact-form .error-msg {
    display: block;
    font-size: 0.85rem;
    color: var(--color-error);
    margin-block-start: var(--space-1);
    min-block-size: 1em;
  }
  .form-grid { display: grid; gap: var(--space-4); }
  @media (width >= 40rem) { .form-grid--2 { grid-template-columns: repeat(2, 1fr); } }
  .honeypot { position: absolute; left: -9999px; inline-size: 1px; block-size: 1px; opacity: 0; }

  /* Form disclosure (optional fields) */
  .form-more {
    border-block-start: 1px solid var(--color-border);
    padding-block-start: var(--space-3);
  }
  .form-more summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-brand-primary);
    list-style: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding-block: var(--space-2);
  }
  .form-more summary::-webkit-details-marker { display: none; }
  .form-more summary::before {
    content: "+";
    color: var(--color-brand-accent);
    font-weight: 700;
    font-size: 1.1em;
  }
  .form-more[open] summary::before { content: "−"; }
  .form-more summary:hover { color: var(--color-brand-accent); }
  .form-more__body {
    display: grid;
    gap: var(--space-4);
    padding-block-start: var(--space-3);
  }
  .form-success {
    padding: var(--space-6);
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: var(--radius-md);
    text-align: center;
  }
  .form-success h3 { color: #065f46; margin-block-end: var(--space-2); }

  /* ── CONTACT INFO ──────────────────────── */
  .contact-info {
    font-style: normal;
    display: grid;
    gap: var(--space-5);
  }
  .contact-info__row {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
  }
  .contact-info__icon {
    flex-shrink: 0;
    inline-size: 2rem;
    block-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-subtle);
    color: var(--color-brand-primary);
    border-radius: var(--radius-sm);
  }
  .contact-info__icon svg { inline-size: 1rem; block-size: 1rem; }
  .contact-info__label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
    margin-block-end: 0.125rem;
  }
  .contact-info__value {
    display: block;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-heading);
    text-decoration: none;
  }
  .contact-info__value:hover { color: var(--color-brand-accent); }

  /* ── CALLOUT (emergency, finance, warranty) ── */
  .callout {
    padding: var(--space-5);
    background: var(--color-bg-subtle);
    border-inline-start: 3px solid var(--color-brand-accent);
    border-radius: var(--radius-sm);
  }
  .callout h3 { font-size: 1rem; color: var(--color-brand-accent); margin-block-end: var(--space-1); }
  .callout p { font-size: 0.95rem; color: var(--color-text); }

  /* ── KEY BENEFITS (finance strip) ──────── */
  .key-benefits {
    display: grid;
    gap: var(--space-4);
    grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
    padding: var(--space-6);
    background: var(--color-brand-primary);
    color: #fff;
    border-radius: var(--radius-md);
    text-align: center;
  }
  .key-benefit { padding: var(--space-3); }
  .key-benefit strong {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-brand-accent);
    margin-block-end: 0.125rem;
    letter-spacing: -0.02em;
  }
  .key-benefit span {
    font-size: 0.875rem;
    color: var(--color-text-on-dark);
  }

  /* ── ACCREDITATIONS STRIP ─────────────── */
  .accreditations {
    padding-block: var(--space-8);
    background: var(--color-bg-subtle);
    border-block-start: 1px solid var(--color-border);
  }
  .accreditations__inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-6);
  }
  .accreditations img {
    max-block-size: 3rem;
    inline-size: auto;
    opacity: 0.85;
  }

  /* ── CTA BAND ──────────────────────────── */
  .cta-band {
    background: var(--color-brand-primary);
    color: #fff;
    padding-block: var(--section-padding);
    text-align: center;
  }
  .cta-band h2 { color: #fff; margin-block-end: var(--space-3); }
  .cta-band p { color: rgba(255,255,255,0.85); margin-inline: auto; margin-block-end: var(--space-6); max-inline-size: 36rem; }
  .cta-band__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-3); }

  /* ── FOOTER ────────────────────────────── */
  .site-footer {
    background: var(--color-bg-dark);
    color: var(--color-text-on-dark);
    padding-block: var(--space-12) var(--space-6);
  }
  .site-footer__grid {
    display: grid;
    gap: var(--space-8);
  }
  @media (width >= 48rem) { .site-footer__grid { grid-template-columns: 1.3fr 1fr 1.3fr; } }
  .site-footer h4 {
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-block-end: var(--space-3);
  }
  .site-footer__logo {
    display: inline-block;
    margin-block-end: var(--space-4);
    line-height: 0;
  }
  .site-footer__logo img {
    block-size: 2.75rem;
    inline-size: auto;
    display: block;
  }
  .site-footer__desc { color: var(--color-text-on-dark); font-size: 0.9rem; max-inline-size: 28ch; margin-block-end: var(--space-4); }
  .site-footer ul { list-style: none; display: grid; gap: var(--space-2); }
  .site-footer a { color: var(--color-text-on-dark); font-size: 0.9rem; }
  .site-footer a:hover { color: var(--color-brand-accent); }
  .site-footer address { font-style: normal; font-size: 0.9rem; color: var(--color-text-on-dark); display: grid; gap: var(--space-2); }
  .site-footer__bar {
    margin-block-start: var(--space-8);
    padding-block-start: var(--space-4);
    border-block-start: 1px solid var(--color-border-on-dark);
    font-size: 0.8rem;
    color: var(--color-text-subtle);
    text-align: center;
  }

  /* ── STICKY MOBILE CALL ────────────────── */
  .sticky-call {
    position: fixed;
    inset-inline: 0;
    inset-block-end: 0;
    z-index: 90;
    padding: var(--space-3);
    background: var(--color-brand-accent);
    text-align: center;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.15);
  }
  .sticky-call a {
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
  }
  @media (width >= 64rem) { .sticky-call { display: none; } }

  /* ── WHATSAPP FLOAT (bottom-right, all screens) ── */
  .whatsapp-float {
    position: fixed;
    inset-inline-end: var(--space-4);
    inset-block-end: var(--space-4);
    z-index: 91;
    inline-size: 3.5rem;
    block-size: 3.5rem;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35), 0 2px 4px rgba(0,0,0,0.1);
    color: #fff;
    text-decoration: none;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }
  .whatsapp-float:hover,
  .whatsapp-float:focus-visible {
    transform: scale(1.08);
    color: #fff;
    box-shadow: 0 6px 18px rgba(37, 211, 102, 0.5), 0 2px 4px rgba(0,0,0,0.1);
  }
  .whatsapp-float svg { inline-size: 1.75rem; block-size: 1.75rem; }
  /* On mobile, lift above the sticky call bar */
  @media (width < 64rem) {
    .has-sticky-call .whatsapp-float { inset-block-end: 5rem; }
  }

  /* ── REVEAL (progressive enhancement) ─── */
  /* Visible by default. Only hidden if JS successfully adds the class to <html>. */
  .js-reveal [data-reveal] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 500ms ease-out, transform 500ms ease-out;
  }
  .js-reveal [data-reveal][data-revealed="true"] {
    opacity: 1;
    transform: translateY(0);
  }
  @media (prefers-reduced-motion: reduce) {
    .js-reveal [data-reveal] { opacity: 1; transform: none; transition: none; }
  }

  /* ── SCROLL PROGRESS BAR ─────────────── */
  .scroll-progress {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    block-size: 3px;
    background: var(--color-brand-accent);
    transform-origin: left center;
    transform: scaleX(0);
    z-index: 200;
    pointer-events: none;
    will-change: transform;
  }

  /* ── HERO LOAD-IN SEQUENCE ───────────── */
  @media (prefers-reduced-motion: no-preference) {
    .hero__eyebrow,
    .hero h1,
    .hero__subtext,
    .hero__ctas,
    .hero__media {
      opacity: 0;
      animation: hero-rise 650ms cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
    }
    .hero__eyebrow { animation-delay: 100ms; }
    .hero h1       { animation-delay: 250ms; }
    .hero__subtext { animation-delay: 400ms; }
    .hero__ctas    { animation-delay: 550ms; }
    .hero__media   { animation-delay: 300ms; animation-duration: 800ms; animation-name: hero-fade; }
  }
  @keyframes hero-rise {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  @keyframes hero-fade {
    from { opacity: 0; }
    to   { opacity: 1; }
  }

  /* ── VALUES ────────────────────────────── */
  .values { display: grid; gap: var(--space-5); }
  @media (width >= 48rem) { .values { grid-template-columns: repeat(3, 1fr); } }
  .value { padding: var(--space-5); background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
  .value h3 { color: var(--color-brand-primary); font-size: 1.05rem; margin-block-end: var(--space-2); }
  .value p { color: var(--color-text-muted); font-size: 0.95rem; }

  /* ── COVERAGE LIST ─────────────────────── */
  .coverage-list {
    columns: 2;
    column-gap: var(--space-6);
    list-style: none;
    max-inline-size: 40rem;
    margin-inline: auto;
  }
  @media (width >= 48rem) { .coverage-list { columns: 3; } }
  .coverage-list li {
    padding-block: var(--space-2);
    padding-inline-start: var(--space-4);
    position: relative;
    font-size: 0.95rem;
    color: var(--color-text);
    break-inside: avoid;
  }
  .coverage-list li::before {
    content: "";
    position: absolute;
    inset-inline-start: 0;
    inset-block-start: 50%;
    inline-size: 0.5rem;
    block-size: 0.5rem;
    background: var(--color-brand-accent);
    border-radius: 50%;
    transform: translateY(-50%);
  }

  /* ── £99 PROMISE STRIP ────────────────── */
  .promise-strip {
    padding-block: var(--space-10);
    border-block-end: 1px solid var(--color-border);
    background: var(--color-bg);
  }
  .promise-strip__inner {
    display: grid;
    gap: var(--space-6);
    align-items: center;
    padding-inline-start: var(--space-6);
    border-inline-start: 4px solid var(--color-brand-accent);
  }
  @media (width >= 48rem) {
    .promise-strip__inner {
      grid-template-columns: 1fr auto;
      gap: var(--space-10);
    }
  }
  .promise-strip h2 {
    font-size: var(--text-h3);
    margin-block-end: var(--space-2);
    color: var(--color-heading);
  }
  .promise-strip p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    max-inline-size: 48rem;
  }

  /* ── CARD PRICE BADGE ─────────────────── */
  .card__price {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-brand-accent);
    background: #f5e4d8;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    margin-block-start: var(--space-3);
    letter-spacing: 0.01em;
  }

  /* ── SERVICES GRID (5 cards in one row at desktop) ── */
  .services-grid {
    display: grid;
    gap: var(--space-5);
    grid-template-columns: 1fr;
  }
  @media (width >= 64rem) {
    .services-grid {
      grid-template-columns: repeat(5, 1fr);
      gap: var(--space-4);
    }
  }

  /* ── BENEFITS 3-COL MODIFIER (for 6-item grids) ── */
  .benefits--3col { grid-template-columns: 1fr; }
  @media (width >= 48rem) {
    .benefits--3col { grid-template-columns: repeat(3, 1fr); }
  }

  /* ── PROCESS FLOW DIAGRAM ─────────────── */
  .process-flow {
    display: grid;
    gap: var(--space-6);
  }
  @media (width >= 48rem) {
    .process-flow {
      grid-template-columns: repeat(3, 1fr);
      gap: var(--space-6);
    }
  }
  .process-step {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-8) var(--space-6) var(--space-6);
    text-align: center;
    position: relative;
  }
  .process-step__number {
    position: absolute;
    inset-block-start: var(--space-4);
    inset-inline-start: var(--space-4);
    inline-size: 1.75rem;
    block-size: 1.75rem;
    background: var(--color-brand-accent);
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
  }
  .process-step__illustration {
    inline-size: 100px;
    block-size: 100px;
    margin-inline: auto;
    margin-block-end: var(--space-5);
    background: var(--color-bg-subtle);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }
  .process-step__illustration svg {
    inline-size: 72%;
    block-size: 72%;
    display: block;
  }
  .process-step h3 {
    font-size: var(--text-h4);
    margin-block-end: var(--space-2);
  }
  .process-step p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-inline: auto;
  }

  /* ── COVERAGE MAP ─────────────────────── */
  .coverage-map {
    margin-block-start: var(--space-10);
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 16 / 9;
    max-inline-size: 56rem;
    margin-inline: auto;
    box-shadow: 0 2px 12px rgba(15, 42, 53, 0.1);
    background: var(--color-bg-muted);
  }
  .coverage-map iframe {
    inline-size: 100%;
    block-size: 100%;
    border: 0;
    display: block;
  }
}

/* ============================================================
   UTILITIES
   ============================================================ */
@layer utilities {
  .visually-hidden {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
  .text-center { text-align: center; }
  .mt-6  { margin-block-start: var(--space-6); }
  .mt-8  { margin-block-start: var(--space-8); }
  .mt-10 { margin-block-start: var(--space-10); }
  .mt-12 { margin-block-start: var(--space-12); }
  .mt-16 { margin-block-start: var(--space-16); }
  .has-sticky-call { padding-block-end: 4rem; }
  @media (width >= 64rem) { .has-sticky-call { padding-block-end: 0; } }
}