/* ==========================================================================
   Personalise Par - Core stylesheet
   Tokens, layout primitives, header/footer, buttons, pills, cards, forms.
   Page-specific rules live at the bottom under clearly marked sections.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand palette (locked to the brief) */
  --green:        #7ED321;
  --sky:          #4DBFFF;
  --emerald:      #1ABC9C;
  --white:        #FFFFFF;
  --ink:          #2C3E50;
  --mist:         #ECF0F1;
  --error:        #E74C3C;
  --success:      #27AE60;

  /* Derived tints - used for washes, borders and glows */
  --green-10:     rgba(126, 211, 33, 0.10);
  --sky-10:       rgba(77, 191, 255, 0.10);
  --sky-20:       rgba(77, 191, 255, 0.20);
  --emerald-12:   rgba(26, 188, 156, 0.12);
  --emerald-30:   rgba(26, 188, 156, 0.30);
  --ink-60:       rgba(44, 62, 80, 0.60);
  --ink-40:       rgba(44, 62, 80, 0.40);
  --ink-12:       rgba(44, 62, 80, 0.12);
  --ink-08:       rgba(44, 62, 80, 0.08);

  /* Type */
  --display: "Poppins", "Segoe UI", system-ui, sans-serif;
  --body:    "Inter", "Segoe UI", system-ui, sans-serif;

  --step--1: 0.8125rem;   /* 13px - captions, meta */
  --step-0:  1rem;        /* 16px - body */
  --step-1:  1.125rem;    /* 18px - lead */
  --step-2:  1.5rem;      /* 24px - h3 */
  --step-3:  2rem;        /* 32px - h2 */
  --step-4:  2.75rem;     /* 44px - h1 */
  --step-5:  3.5rem;      /* 56px - hero */

  /* Space + shape */
  --gap:      1.25rem;
  --section:  5.5rem;
  --radius:   18px;
  --radius-s: 12px;
  --pill:     999px;
  --maxw:     1240px;

  --shadow-s: 0 2px 8px rgba(44, 62, 80, 0.06);
  --shadow-m: 0 10px 30px rgba(44, 62, 80, 0.10);
  --shadow-l: 0 20px 50px rgba(44, 62, 80, 0.16);

  --ease: 0.3s ease;
  --header-h: 76px;
}

/* --------------------------------------------------------------------------
   2. Reset + base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--body);
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
  font-weight: 700;
}
h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }

p { margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  z-index: 200;
  border-radius: 0 0 var(--radius-s) 0;
}
.skip-link:focus { left: 0; }

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

/* --------------------------------------------------------------------------
   3. Layout primitives
   -------------------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: var(--section) 0; }
.section--tight { padding: 3.5rem 0; }
.section--mist { background: var(--mist); }
.section--wash {
  background:
    radial-gradient(1000px 420px at 12% -10%, var(--green-10), transparent 60%),
    radial-gradient(900px 420px at 88% 0%, var(--sky-10), transparent 60%);
}

.section-head { max-width: 640px; margin: 0 auto 3rem; text-align: center; }
.section-head p { color: var(--ink-60); font-size: var(--step-1); margin: 0; }

.eyebrow {
  font-family: var(--display);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--emerald);
  display: block;
  margin-bottom: 0.75rem;
}

.grid { display: grid; gap: var(--gap); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.lead { font-size: var(--step-1); color: var(--ink-60); }
.muted { color: var(--ink-60); }
.price { font-variant-numeric: tabular-nums; }

/* --------------------------------------------------------------------------
   4. Pills - the recurring container device
   -------------------------------------------------------------------------- */
.pill {
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-s);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.pill--round { border-radius: var(--pill); padding: 0.5rem 1.1rem; }
.pill--tint {
  background: linear-gradient(135deg, var(--sky-10), var(--green-10));
  border-color: rgba(255, 255, 255, 0.75);
}
.pill--solid { background: var(--white); border-color: var(--ink-08); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--step--1);
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: var(--pill);
  background: var(--emerald-12);
  color: #0f8b74;
  border: 1px solid var(--emerald-30);
}
.tag--sky { background: var(--sky-10); color: #17739f; border-color: var(--sky-20); }
.tag--green { background: var(--green-10); color: #4c8309; border-color: rgba(126,211,33,0.28); }

/* --------------------------------------------------------------------------
   5. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: var(--step-0);
  line-height: 1;
  padding: 0.95rem 1.6rem;
  min-height: 48px;
  border-radius: var(--pill);
  border: 1px solid transparent;
  transition: transform var(--ease), box-shadow var(--ease),
              background-color var(--ease), color var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn[disabled] { opacity: 0.5; pointer-events: none; }

.btn--primary {
  background: var(--emerald);
  color: var(--white);
  box-shadow: 0 8px 20px var(--emerald-30);
}
.btn--primary:hover { background: #16a68a; box-shadow: 0 12px 26px var(--emerald-30); }

.btn--sky { background: var(--sky); color: var(--white); box-shadow: 0 8px 20px var(--sky-20); }
.btn--sky:hover { background: #35b1f7; }

.btn--ghost {
  background: rgba(255, 255, 255, 0.55);
  border-color: var(--ink-12);
  color: var(--ink);
  backdrop-filter: blur(10px);
}
.btn--ghost:hover { background: var(--white); border-color: var(--emerald); color: var(--emerald); }

.btn--quiet { background: transparent; color: var(--ink-60); padding-inline: 0.75rem; }
.btn--quiet:hover { color: var(--emerald); }

.btn--danger { background: transparent; color: var(--error); border-color: rgba(231,76,60,0.3); }
.btn--danger:hover { background: rgba(231,76,60,0.08); }

.btn--block { width: 100%; }
.btn--lg { padding: 1.15rem 2.1rem; font-size: var(--step-1); min-height: 56px; }
.btn--sm { padding: 0.6rem 1.1rem; font-size: var(--step--1); min-height: 40px; }

/* --------------------------------------------------------------------------
   6. Header + navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--ink-08);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: var(--header-h);
}

.logo { display: flex; align-items: center; gap: 0.65rem; margin-right: auto; }
.logo__mark {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #fff 0%, #eef6ff 42%, var(--sky) 100%);
  box-shadow: inset -3px -4px 8px rgba(44,62,80,0.18), 0 4px 10px var(--sky-20);
  position: relative;
  flex: none;
}
.logo__mark::after {
  content: "";
  position: absolute; inset: 10px;
  border-radius: 50%;
  border: 2px dashed rgba(26, 188, 156, 0.85);
}
.logo__text { font-family: var(--display); font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; }
.logo__text span { color: var(--emerald); }

.nav { display: flex; align-items: center; gap: 0.35rem; }
.nav a {
  font-family: var(--display);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.55rem 0.85rem;
  border-radius: var(--pill);
  color: var(--ink-60);
  transition: color var(--ease), background-color var(--ease);
}
.nav a:hover { color: var(--ink); background: var(--mist); }
.nav a[aria-current="page"] { color: var(--emerald); background: var(--emerald-12); }

.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid var(--ink-12);
  background: var(--white);
  align-items: center;
  justify-content: center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 18px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform var(--ease), opacity var(--ease);
}
.nav-toggle span::before { transform: translateY(-6px); }
.nav-toggle span::after { transform: translateY(4px); }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: rotate(-45deg) translateY(0); }

/* Fixed cart button - visible on every page */
.cart-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.1rem 0.6rem 0.9rem;
  border-radius: var(--pill);
  background: rgba(26, 188, 156, 0.10);
  border: 1px solid var(--emerald-30);
  color: #0f8b74;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background-color var(--ease), transform var(--ease);
  white-space: nowrap;
}
.cart-btn:hover { background: rgba(26, 188, 156, 0.18); transform: translateY(-1px); }
.cart-btn__count {
  min-width: 22px; height: 22px;
  border-radius: var(--pill);
  background: var(--emerald);
  color: var(--white);
  font-size: 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
}
.cart-btn__total { font-variant-numeric: tabular-nums; }

/* --------------------------------------------------------------------------
   7. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.72);
  padding: 4rem 0 2rem;
  margin-top: 0;
}
.site-footer h4 {
  color: var(--white);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.site-footer a { color: rgba(255,255,255,0.72); transition: color var(--ease); }
.site-footer a:hover { color: var(--green); }
.site-footer .logo__text { color: var(--white); }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2.5rem; }
.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: var(--step--1);
}

/* --------------------------------------------------------------------------
   8. Golf ball renderer + print-area annotation
   -------------------------------------------------------------------------- */
.ball {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
}
.ball-stage {
  display: grid;
  place-items: center;
  padding: 1.5rem;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 42%, rgba(255,255,255,0.9), transparent 62%),
    linear-gradient(150deg, var(--sky-10), var(--green-10));
}
.print-note {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--step--1);
  color: var(--ink-60);
}
.print-note::before {
  content: "";
  width: 12px; height: 12px;
  border-radius: 50%;
  border: 1.5px dashed var(--emerald);
  flex: none;
}

/* --------------------------------------------------------------------------
   9. Product cards
   -------------------------------------------------------------------------- */
.product-card {
  background: var(--white);
  border: 1px solid var(--ink-08);
  border-radius: var(--radius);
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.product-card:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-m);
  border-color: var(--emerald-30);
}
.product-card__media {
  border-radius: var(--radius-s);
  background: linear-gradient(160deg, #f7fbff, #f2fbf4);
  padding: 1.25rem;
  position: relative;
}
.product-card__media .ball { max-width: 190px; margin: 0 auto; }
.product-card__brand {
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-40);
  font-weight: 600;
}
.product-card__name { font-family: var(--display); font-weight: 600; font-size: 1.05rem; margin: 0; }
.product-card__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: auto;
}
.product-card__price { font-family: var(--display); font-weight: 700; font-size: 1.35rem; }
.product-card__price small { font-weight: 500; font-size: 0.8rem; color: var(--ink-40); }
.product-card__badge {
  position: absolute;
  top: 0.75rem; left: 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: var(--pill);
  background: var(--white);
  border: 1px solid var(--ink-08);
  color: var(--ink-60);
}

.stars { color: #f5a623; font-size: 0.9rem; letter-spacing: 1px; }
.stars small { color: var(--ink-40); letter-spacing: 0; margin-left: 0.35rem; }

/* Brand chips */
.brand-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 1.5rem 1rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--ink-08);
  text-align: center;
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.brand-card:hover { transform: scale(1.05); box-shadow: var(--shadow-m); border-color: var(--sky); }
.brand-card strong { font-family: var(--display); font-size: 1.05rem; }
.brand-card span { font-size: var(--step--1); color: var(--ink-40); transition: color var(--ease); }
.brand-card:hover span { color: var(--emerald); }

/* --------------------------------------------------------------------------
   10. Forms
   -------------------------------------------------------------------------- */
.field { display: grid; gap: 0.4rem; margin-bottom: 1.1rem; }
.field label { font-size: 0.9rem; font-weight: 600; font-family: var(--display); }
.field .hint { font-size: var(--step--1); color: var(--ink-40); }

input[type="text"], input[type="email"], input[type="tel"], input[type="password"],
input[type="number"], input[type="search"], select, textarea {
  width: 100%;
  font: inherit;
  color: var(--ink);
  padding: 0.85rem 1rem;
  min-height: 48px;
  border: 1px solid var(--ink-12);
  border-radius: var(--radius-s);
  background: var(--white);
  transition: border-color var(--ease), box-shadow var(--ease);
}
textarea { min-height: 140px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--sky);
  box-shadow: 0 0 0 4px var(--sky-10);
}
input.is-valid, select.is-valid { border-color: var(--success); }
input.is-invalid, select.is-invalid { border-color: var(--error); }

.field__error {
  font-size: var(--step--1);
  color: var(--error);
  min-height: 1.1em;
}

.choice {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius-s);
  cursor: pointer;
  transition: background-color var(--ease);
}
.choice:hover { background: var(--mist); }
.choice input { accent-color: var(--emerald); width: 18px; height: 18px; flex: none; }

.option-pill {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--ink-12);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.6);
  cursor: pointer;
  transition: border-color var(--ease), background-color var(--ease), transform var(--ease);
}
.option-pill:hover { border-color: var(--sky); transform: translateY(-1px); }
.option-pill.is-selected { border-color: var(--emerald); background: var(--emerald-12); }
.option-pill input { accent-color: var(--emerald); width: 20px; height: 20px; flex: none; }
.option-pill strong { display: block; font-family: var(--display); }
.option-pill span { font-size: var(--step--1); color: var(--ink-60); }
.option-pill .price { margin-left: auto; font-weight: 600; font-family: var(--display); }

/* Colour swatches */
.swatches { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.swatch {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 2px solid var(--ink-12);
  background: var(--swatch, #fff);
  position: relative;
  transition: transform var(--ease), border-color var(--ease);
}
.swatch:hover { transform: scale(1.1); }
.swatch[aria-pressed="true"] { border-color: var(--emerald); box-shadow: 0 0 0 4px var(--emerald-12); }

/* --------------------------------------------------------------------------
   11. Accordion (FAQ)
   -------------------------------------------------------------------------- */
.accordion { display: grid; gap: 0.75rem; }
.acc-item {
  border: 1px solid var(--ink-08);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
}
.acc-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  padding: 1.15rem 1.35rem;
  background: none;
  border: 0;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--ink);
}
.acc-trigger::after {
  content: "+";
  font-size: 1.5rem;
  line-height: 1;
  color: var(--emerald);
  transition: transform var(--ease);
  flex: none;
}
.acc-trigger[aria-expanded="true"]::after { transform: rotate(45deg); }
.acc-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.acc-panel > div { padding: 0 1.35rem 1.35rem; color: var(--ink-60); }

/* --------------------------------------------------------------------------
   12. Toast
   -------------------------------------------------------------------------- */
.toast-stack {
  position: fixed;
  top: calc(var(--header-h) + 12px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  display: grid;
  gap: 0.5rem;
  width: min(420px, calc(100vw - 2rem));
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 1.15rem;
  border-radius: var(--pill);
  background: var(--ink);
  color: var(--white);
  box-shadow: var(--shadow-l);
  font-size: 0.95rem;
}
.toast--ok { background: #14806b; }
.toast--err { background: #c0392b; }

/* --------------------------------------------------------------------------
   13. Steps / progress
   -------------------------------------------------------------------------- */
.steps {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0 0 2.5rem;
}
.steps li {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  font-family: var(--display);
  font-weight: 600;
  color: var(--ink-40);
}
.steps li::before {
  content: attr(data-step);
  width: 30px; height: 30px;
  flex: none;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--mist);
  color: var(--ink-40);
  font-size: 0.85rem;
  transition: background-color var(--ease), color var(--ease);
}
.steps li::after {
  content: "";
  flex: 1;
  height: 2px;
  background: var(--mist);
  border-radius: 2px;
}
.steps li:last-child::after { display: none; }
.steps li.is-active { color: var(--ink); }
.steps li.is-active::before { background: var(--emerald); color: var(--white); }
.steps li.is-done::before { background: var(--green); color: var(--white); content: "\2713"; }
.steps li.is-done::after { background: var(--green); }

.step-panel { display: none; }
.step-panel.is-active { display: block; animation: slideUp 0.35s ease both; }

/* --------------------------------------------------------------------------
   14. Home page
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding: 4.5rem 0 5rem;
  background:
    radial-gradient(820px 520px at 78% 18%, var(--sky-20), transparent 62%),
    radial-gradient(720px 480px at 8% 88%, var(--green-10), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #f6fdff 100%);
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}
.hero h1 { font-size: var(--step-5); margin-bottom: 1rem; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--emerald), var(--sky));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__sub { font-size: var(--step-1); color: var(--ink-60); max-width: 46ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.85rem; margin: 2rem 0 1.75rem; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 0.6rem; }

/* Signature element: the live ball designer sitting in the hero */
.designer {
  border-radius: 26px;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(255,255,255,0.9);
  box-shadow: var(--shadow-l);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.designer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.designer__head strong { font-family: var(--display); font-size: 0.95rem; }
.designer .ball { max-width: 300px; margin: 0 auto; }
.designer__controls { display: grid; gap: 0.85rem; margin-top: 1.25rem; }
.designer__row { display: flex; gap: 0.75rem; align-items: center; }
.designer__row input[type="text"] { min-height: 44px; }

.how-step {
  position: relative;
  padding: 1.75rem 1.5rem 1.5rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.9);
  box-shadow: var(--shadow-s);
  backdrop-filter: blur(12px);
}
.how-step__num {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--emerald);
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: 0.5rem;
}
.how-step h3 { font-size: 1.15rem; margin-bottom: 0.35rem; }
.how-step p { margin: 0; color: var(--ink-60); font-size: 0.95rem; }

.feature {
  display: grid;
  gap: 0.5rem;
  padding: 1.75rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.66);
  border: 1px solid rgba(255,255,255,0.9);
  box-shadow: var(--shadow-s);
  backdrop-filter: blur(12px);
  transition: transform var(--ease), box-shadow var(--ease);
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-m); }
.feature__icon {
  width: 44px; height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--emerald-12);
  color: #0f8b74;
  margin-bottom: 0.35rem;
}
.feature h3 { font-size: 1.1rem; margin: 0; }
.feature p { margin: 0; color: var(--ink-60); font-size: 0.95rem; }

/* Testimonials */
.reviews { position: relative; }
.reviews__track {
  display: flex;
  gap: var(--gap);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding-bottom: 1rem;
  scrollbar-width: none;
}
.reviews__track::-webkit-scrollbar { display: none; }
.review {
  flex: 0 0 min(360px, 82%);
  scroll-snap-align: center;
  padding: 1.75rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(255,255,255,0.9);
  box-shadow: var(--shadow-s);
  backdrop-filter: blur(12px);
}
.review p { font-size: 1.02rem; }
.review footer { font-size: var(--step--1); color: var(--ink-40); }
.review footer strong { color: var(--ink); display: block; font-family: var(--display); }
.reviews__nav { display: flex; justify-content: center; gap: 0.6rem; margin-top: 1rem; }
.reviews__nav button {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--ink-12);
  background: var(--white);
  color: var(--ink);
  transition: border-color var(--ease), color var(--ease);
}
.reviews__nav button:hover { border-color: var(--emerald); color: var(--emerald); }

.newsletter {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  max-width: 520px;
  margin: 1.5rem auto 0;
}
.newsletter input { flex: 1 1 240px; border-radius: var(--pill); }

/* --------------------------------------------------------------------------
   15. Shop page
   -------------------------------------------------------------------------- */
.shop-layout { display: grid; grid-template-columns: 268px 1fr; gap: 2.5rem; align-items: start; }

.filters {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
  border-radius: var(--radius);
  border: 1px solid var(--ink-08);
  background: var(--white);
  padding: 1.5rem;
}
.filters h3 { font-size: 1.05rem; }
.filter-group { border-top: 1px solid var(--ink-08); padding: 1rem 0 0.5rem; }
.filter-group:first-of-type { border-top: 0; padding-top: 0; }
.filter-group > button {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: 0;
  padding: 0.35rem 0;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
}
.filter-group > button::after { content: "\2212"; color: var(--emerald); }
.filter-group > button[aria-expanded="false"]::after { content: "+"; }
.filter-group__body {
  display: grid;
  gap: 0.15rem;
  max-height: 400px;
  overflow: hidden;
  transition: max-height var(--ease);
  padding-top: 0.4rem;
}
.filter-group__body[hidden] { display: grid; max-height: 0; padding-top: 0; }

.range-row { display: flex; align-items: center; gap: 0.6rem; font-size: 0.9rem; }
input[type="range"] { width: 100%; accent-color: var(--emerald); }

.shop-toolbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.shop-toolbar .count { color: var(--ink-60); font-size: 0.95rem; margin-right: auto; }
.shop-toolbar select, .shop-toolbar input[type="search"] { min-height: 46px; width: auto; }
.filter-drawer-btn { display: none; }

.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.25rem; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.8rem;
  border-radius: var(--pill);
  background: var(--mist);
  border: 1px solid var(--ink-08);
  font-size: var(--step--1);
}
.chip button { background: none; border: 0; color: var(--ink-40); line-height: 1; font-size: 1rem; }
.chip button:hover { color: var(--error); }

.empty-state {
  text-align: center;
  padding: 4rem 1.5rem;
  border: 1px dashed var(--ink-12);
  border-radius: var(--radius);
  background: var(--mist);
}

/* --------------------------------------------------------------------------
   16. Product page
   -------------------------------------------------------------------------- */
.crumbs { font-size: var(--step--1); color: var(--ink-40); padding: 1.25rem 0; }
.crumbs a:hover { color: var(--emerald); }

.product-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.gallery { position: sticky; top: calc(var(--header-h) + 1.5rem); }
.gallery__main {
  border-radius: var(--radius);
  padding: 2.5rem;
  background: linear-gradient(160deg, #f6fbff, #f1fbf4);
  border: 1px solid var(--ink-08);
}
.gallery__main .ball { max-width: 380px; margin: 0 auto; transition: transform 0.4s ease; }
.gallery__main:hover .ball { transform: scale(1.06); }
.gallery__thumbs { display: flex; gap: 0.6rem; margin-top: 0.75rem; }
.gallery__thumbs button {
  flex: 1;
  border-radius: var(--radius-s);
  border: 1px solid var(--ink-12);
  background: var(--white);
  padding: 0.5rem;
  transition: border-color var(--ease);
}
.gallery__thumbs button[aria-pressed="true"] { border-color: var(--emerald); }

.product-title { font-size: var(--step-3); margin-bottom: 0.35rem; }
.product-price { font-family: var(--display); font-weight: 700; font-size: var(--step-3); }
.product-price small { font-size: 0.95rem; font-weight: 500; color: var(--ink-40); }

.spec-list { list-style: none; padding: 0; margin: 1.25rem 0; display: grid; gap: 0.6rem; }
.spec-list li { display: flex; justify-content: space-between; gap: 1rem; padding-bottom: 0.6rem; border-bottom: 1px dashed var(--ink-12); font-size: 0.95rem; }
.spec-list li span:first-child { color: var(--ink-60); }
.spec-list li span:last-child { font-weight: 600; }

/* Customiser */
.customiser { margin-top: 1.5rem; }
.customiser__stage { display: grid; grid-template-columns: 1fr 1fr; gap: 1.75rem; align-items: start; }
.qty-row { display: flex; align-items: center; gap: 0.75rem; }
.qty-stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--ink-12);
  border-radius: var(--pill);
  overflow: hidden;
  background: var(--white);
}
.qty-stepper button {
  width: 46px; height: 46px;
  border: 0;
  background: none;
  font-size: 1.25rem;
  color: var(--ink);
  transition: background-color var(--ease);
}
.qty-stepper button:hover { background: var(--mist); color: var(--emerald); }
.qty-stepper input {
  width: 72px;
  min-height: 46px;
  border: 0;
  text-align: center;
  font-weight: 600;
  font-family: var(--display);
  padding: 0;
}
.qty-stepper input:focus { box-shadow: none; }

.tier-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.85rem; }
.tier {
  padding: 0.45rem 0.9rem;
  border-radius: var(--pill);
  border: 1px solid var(--ink-12);
  background: var(--white);
  font-size: var(--step--1);
  font-weight: 600;
  transition: border-color var(--ease), color var(--ease);
}
.tier:hover { border-color: var(--emerald); color: var(--emerald); }
.tier.is-active { background: var(--emerald-12); border-color: var(--emerald); color: #0f8b74; }

.total-pill {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--sky-10), var(--green-10));
  border: 1px solid rgba(255,255,255,0.9);
  margin: 1.25rem 0;
}
.total-pill strong { font-family: var(--display); font-size: 1.9rem; }
.total-pill span { font-size: var(--step--1); color: var(--ink-60); }

.upload-zone {
  border: 2px dashed var(--ink-12);
  border-radius: var(--radius);
  padding: 1.75rem 1.25rem;
  text-align: center;
  background: var(--mist);
  transition: border-color var(--ease), background-color var(--ease);
  cursor: pointer;
}
.upload-zone:hover, .upload-zone.is-drag { border-color: var(--emerald); background: var(--emerald-12); }
.upload-zone p { margin: 0.35rem 0 0; font-size: var(--step--1); color: var(--ink-60); }

.side-tabs { display: inline-flex; gap: 0.25rem; padding: 0.25rem; background: var(--mist); border-radius: var(--pill); }
.side-tabs button {
  border: 0;
  background: none;
  padding: 0.5rem 1.1rem;
  border-radius: var(--pill);
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink-60);
  transition: background-color var(--ease), color var(--ease);
}
.side-tabs button.is-active { background: var(--white); color: var(--ink); box-shadow: var(--shadow-s); }

.summary-list { list-style: none; margin: 0 0 1.25rem; padding: 0; display: grid; gap: 0.55rem; font-size: 0.95rem; }
.summary-list li { display: flex; justify-content: space-between; gap: 1rem; }
.summary-list li span:first-child { color: var(--ink-60); }

/* --------------------------------------------------------------------------
   17. Cart page
   -------------------------------------------------------------------------- */
.cart-layout { display: grid; grid-template-columns: 1fr 360px; gap: 2.5rem; align-items: start; }

.cart-line {
  display: grid;
  grid-template-columns: 108px 1fr auto;
  gap: 1.25rem;
  padding: 1.25rem;
  border: 1px solid var(--ink-08);
  border-radius: var(--radius);
  background: var(--white);
  margin-bottom: 1rem;
  align-items: start;
}
.cart-line__media { border-radius: var(--radius-s); background: linear-gradient(160deg, #f7fbff, #f2fbf4); padding: 0.6rem; }
.cart-line__title { font-family: var(--display); font-weight: 600; margin: 0 0 0.2rem; }
.cart-line__custom { font-size: var(--step--1); color: var(--ink-60); margin: 0 0 0.6rem; }
.cart-line__actions { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
.cart-line__price { text-align: right; font-family: var(--display); font-weight: 700; font-size: 1.2rem; white-space: nowrap; }
.cart-line__price small { display: block; font-weight: 500; font-size: 0.78rem; color: var(--ink-40); }

.order-summary {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
  border-radius: var(--radius);
  padding: 1.75rem;
  background: linear-gradient(155deg, var(--sky-10), var(--green-10));
  border: 1px solid rgba(255,255,255,0.9);
  backdrop-filter: blur(14px);
}
.order-summary h3 { font-size: 1.15rem; }
.order-summary dl { display: grid; grid-template-columns: 1fr auto; gap: 0.6rem 1rem; margin: 1.25rem 0; font-size: 0.95rem; }
.order-summary dt { color: var(--ink-60); }
.order-summary dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.order-summary .total-row { border-top: 1px solid var(--ink-12); padding-top: 0.9rem; margin-top: 0.3rem; }
.order-summary .total-row dt { font-family: var(--display); font-weight: 700; color: var(--ink); font-size: 1.1rem; }
.order-summary .total-row dd { font-family: var(--display); font-weight: 700; font-size: 1.4rem; }

.sticky-bar { display: none; }

/* --------------------------------------------------------------------------
   18. Checkout page
   -------------------------------------------------------------------------- */
.checkout-layout { display: grid; grid-template-columns: 1fr 360px; gap: 2.5rem; align-items: start; }
.card-row { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 0.9rem; }
.trust-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.form-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.5rem; }

.confirmation { text-align: center; max-width: 680px; margin: 0 auto; }
.confirmation__mark {
  width: 88px; height: 88px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  display: grid;
  place-items: center;
  background: var(--emerald-12);
  color: var(--emerald);
  font-size: 2.5rem;
  animation: popIn 0.5s ease both;
}
.confirmation .pill { text-align: left; margin: 2rem 0; }

/* --------------------------------------------------------------------------
   19. Content pages (about / contact / faq / policies)
   -------------------------------------------------------------------------- */
.page-hero {
  padding: 3.5rem 0;
  background:
    radial-gradient(700px 320px at 80% 0%, var(--sky-10), transparent 60%),
    radial-gradient(600px 320px at 0% 100%, var(--green-10), transparent 60%);
  border-bottom: 1px solid var(--ink-08);
}
.page-hero h1 { margin-bottom: 0.4rem; }
.page-hero p { color: var(--ink-60); font-size: var(--step-1); margin: 0; max-width: 60ch; }

.prose { max-width: 72ch; }
.prose h2 { font-size: 1.6rem; margin-top: 2.5rem; }
.prose h3 { font-size: 1.2rem; margin-top: 1.75rem; }
.prose ul { padding-left: 1.2rem; color: var(--ink-60); }
.prose li { margin-bottom: 0.5rem; }

.stat {
  display: grid;
  gap: 0.15rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--ink-08);
}
.stat strong { font-family: var(--display); font-size: 2rem; line-height: 1; }
.stat span { font-size: var(--step--1); color: var(--ink-60); }

.contact-layout { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3rem; align-items: start; }