/* ============================================================
   Pattern Palace - design system
   Ivory white + pool-table dark green + true orange accents,
   dressmaker's tracing-paper texture. Fraunces + Hanken Grotesk.
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* Palette: Benjamin Moore Ivory White + pool-table dark green + one true orange */
  --ivory:         #fcfcf8;  /* canvas - ivory white (cool, low yellow) */
  --ivory-surface: #ffffff;  /* cards - crisp white lift */
  --ivory-alt:     #f2f2ee;  /* alt sections - faint cool tint */
  --green:         #0e3b2c;  /* pool-table dark green: text + dark sections */
  --green-dark:    #0a2a20;  /* darker green for hovers */
  --orange:        #d9531a;  /* the one true orange: buttons, links, accents, details */
  --orange-dark:   #b8430e;  /* orange hover */
  --muted:         #4f5b53;  /* secondary green-gray text */
  --line:          #e2dac5;  /* soft border */
  --line-strong:   #d0c4a8;  /* stronger border / cutting line */

  /* Semantic aliases so the existing rules adopt the new palette automatically. */
  --paper:       var(--ivory);
  --surface:     var(--ivory-surface);
  --surface-2:   var(--ivory-alt);
  --ink:         var(--green);
  --claret:      var(--orange);
  --claret-dark: var(--orange-dark);
  --gold:        var(--orange);
  --gold-soft:   var(--orange);

  /* Type */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body:    "Hanken Grotesk", system-ui, -apple-system, sans-serif;

  --step--1: clamp(0.83rem, 0.80rem + 0.15vw, 0.92rem);
  --step-0:  clamp(1rem, 0.96rem + 0.20vw, 1.12rem);
  --step-1:  clamp(1.20rem, 1.12rem + 0.40vw, 1.45rem);
  --step-2:  clamp(1.50rem, 1.36rem + 0.70vw, 2.00rem);
  --step-3:  clamp(1.90rem, 1.66rem + 1.20vw, 2.85rem);
  --step-4:  clamp(2.40rem, 2.00rem + 2.00vw, 4.00rem);
  --step-5:  clamp(3.00rem, 2.30rem + 3.40vw, 5.50rem);

  /* Space */
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;
  --space-7: 6rem;

  /* Form */
  --radius:    4px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 2px rgba(14, 59, 44, 0.07);
  --shadow:    0 12px 30px -18px rgba(14, 59, 44, 0.30);
  --shadow-lg: 0 26px 50px -24px rgba(14, 59, 44, 0.40);
  --ease:      cubic-bezier(0.2, 0.7, 0.2, 1);

  --container: 72rem;
  --container-narrow: 46rem;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--paper);
  /* Tracing-paper measurement grid - faint, never fights the text. */
  background-image:
    linear-gradient(to right, rgba(217, 83, 26, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(217, 83, 26, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--claret); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--claret-dark); }
ul, ol { padding: 0; list-style: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.01em;
  font-optical-sizing: auto;
  color: var(--ink);
  text-wrap: balance;
}
h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); letter-spacing: 0; }
p  { text-wrap: pretty; }

.display { font-size: var(--step-5); font-weight: 500; line-height: 1.02; }
.lede { font-size: var(--step-1); line-height: 1.5; color: var(--muted); }
.serif-italic { font-family: var(--font-display); font-style: italic; font-weight: 400; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.1rem, 4vw, 2.5rem);
}
.container.narrow { max-width: var(--container-narrow); }

.section { padding-block: clamp(3rem, 7vw, var(--space-7)); }
.section--alt {
  background-color: var(--surface-2);
  border-block: 1px solid var(--line);
}

.grid { display: grid; gap: var(--space-4); }
@media (min-width: 640px)  { .grid--2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 880px)  { .grid--3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 980px)  { .grid--4 { grid-template-columns: repeat(4, 1fr); } }

.stack > * + * { margin-top: var(--space-3); }
.stack-lg > * + * { margin-top: var(--space-5); }

/* ---------- Section heads ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}
.eyebrow::before {
  content: "";
  width: 1.6em; height: 1px;
  background: var(--gold);
}
.section-head { max-width: 44rem; margin-bottom: var(--space-5); }
.section-head .lede { margin-top: var(--space-3); }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--claret);
  --btn-fg: var(--paper);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  padding: 0.85em 1.6em;
  font-family: var(--font-body);
  font-size: var(--step-0);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid var(--btn-bg);
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease),
              box-shadow 0.25s var(--ease);
}
.btn:hover { background: var(--claret-dark); border-color: var(--claret-dark);
             color: var(--paper); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  border-color: var(--ink);
}
.btn--ghost:hover {
  background: var(--ink); color: var(--paper); border-color: var(--ink);
}

/* Ghost button on dark backgrounds (e.g. the CTA band). */
.btn--ghost-light {
  --btn-bg: transparent;
  --btn-fg: var(--paper);
  border-color: var(--paper);
}
.btn--ghost-light:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }

.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-weight: 600;
  text-decoration: none;
  color: var(--claret);
}
.link-arrow .arrow { transition: transform 0.25s var(--ease); }
.link-arrow:hover .arrow { transform: translateX(4px); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
              border-color 0.3s var(--ease);
  height: 100%;
}
.card--link:hover, a.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--line-strong);
}
.card__kicker {
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
}
.card__title { margin-top: var(--space-2); }
.card__body { margin-top: var(--space-2); color: var(--muted); }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.3em 0.7em;
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--muted);
}
.badge--soon { color: var(--claret); border-color: var(--claret); }
.badge--soon::before {
  content: ""; width: 0.5em; height: 0.5em; border-radius: 50%;
  background: var(--claret);
}

/* ---------- Atelier motifs ---------- */
/* Cutting line: a fine dashed rule like a dressmaker's cut edge. */
.cut-line {
  border: 0;
  height: 1px;
  background-image: repeating-linear-gradient(
    to right, var(--orange) 0 8px, transparent 8px 14px);
}
/* Grainline: a centred line capped with arrowheads, the grainline symbol. */
.grainline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--gold);
  margin-block: var(--space-4);
}
.grainline::before, .grainline::after {
  content: ""; height: 1px; background: currentColor; flex: 1; max-width: 120px;
}
.grainline span {
  font-size: var(--step--1); letter-spacing: 0.22em; text-transform: uppercase;
}
/* Notch tick used to lead small labels. */
.notch { position: relative; padding-left: 1.1em; }
.notch::before {
  content: ""; position: absolute; left: 0; top: 0.62em;
  width: 0.62em; height: 0.62em;
  border-left: 1px solid var(--gold); border-bottom: 1px solid var(--gold);
  transform: rotate(45deg);
}

/* ---------- Forms ---------- */
.field { display: block; }
.field + .field { margin-top: var(--space-4); }
.field__label {
  display: block;
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 0.4em;
}
.field__hint { display: block; font-size: var(--step--1); color: var(--muted); margin-bottom: 0.5em; }
.input, .textarea, .select {
  width: 100%;
  padding: 0.7em 0.85em;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--claret);
  box-shadow: 0 0 0 3px rgba(217, 83, 26, 0.22);
}
.textarea { min-height: 6rem; resize: vertical; }
.field__error { display: block; margin-top: 0.4em; font-size: var(--step--1);
                color: var(--claret); font-weight: 600; }
.input[aria-invalid="true"] { border-color: var(--claret); }

/* Inline form (waitlist): input + button on one row, wraps on small screens. */
.form-inline { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.form-inline .input { flex: 1 1 14rem; }

/* ---------- Flash messages ---------- */
.flashes { margin-top: var(--space-4); }
.flash {
  display: flex; gap: 0.6em; align-items: flex-start;
  padding: 0.8em 1em;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  font-size: var(--step--1);
}
.flash + .flash { margin-top: var(--space-2); }
.flash--success { border-color: #5d6b3f; background: #f1f3e6; color: #3c471f; }
.flash--error   { border-color: #c0341d; background: #faece8; color: #8f2812; }
.flash--info    { border-color: var(--orange); background: #fbf0e4; color: #8a3a0a; }

/* ---------- Prose ---------- */
.prose { max-width: 42rem; }
.prose > * + * { margin-top: var(--space-3); }
.prose h2 { margin-top: var(--space-5); }
.prose h3 { margin-top: var(--space-4); }
.prose ul { padding-left: 1.2em; list-style: none; }
.prose li { position: relative; padding-left: 1.1em; }
.prose li::before { content: "+"; position: absolute; left: 0; color: var(--gold); font-weight: 700; }

/* ============================================================
   Chrome - header + footer (markup lives in partials, Task 3)
   ============================================================ */
.skip-link {
  position: absolute; left: 0.5rem; top: -3rem;
  background: var(--ink); color: var(--paper);
  padding: 0.6em 1em; border-radius: var(--radius); z-index: 100;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 0.5rem; color: var(--paper); }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4);
  min-height: 4.5rem;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-display); font-weight: 600;
  font-size: var(--step-1); letter-spacing: -0.01em;
  color: var(--ink); text-decoration: none;
}
.brand:hover { color: var(--ink); }
.brand__mark { color: var(--claret); flex: none; }

.nav { display: flex; align-items: center; gap: var(--space-4); }
.nav__list { display: flex; align-items: center; gap: clamp(0.8rem, 2vw, 1.6rem); }
.nav__link {
  position: relative; text-decoration: none; color: var(--ink);
  font-weight: 500; font-size: var(--step-0); padding-block: 0.4em;
}
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: 0.1em;
  width: 100%; height: 1px; background: var(--claret);
  transform: scaleX(0); transform-origin: left; transition: transform 0.25s var(--ease);
}
.nav__link:hover::after, .nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__link[aria-current="page"] { color: var(--claret); }

.menu-toggle {
  display: none;
  width: 2.75rem; height: 2.75rem;
  align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--line-strong); border-radius: var(--radius);
}
.menu-toggle__bars, .menu-toggle__bars::before, .menu-toggle__bars::after {
  content: ""; display: block; width: 20px; height: 2px; background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}
.menu-toggle__bars { position: relative; }
.menu-toggle__bars::before { position: absolute; top: -6px; }
.menu-toggle__bars::after  { position: absolute; top: 6px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::after  { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 860px) {
  .menu-toggle { display: inline-flex; }
  .nav {
    position: fixed; inset: 4.5rem 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: var(--space-3) clamp(1.1rem, 4vw, 2.5rem) var(--space-4);
    box-shadow: var(--shadow);
    transform: translateY(-130%); transition: transform 0.3s var(--ease);
    max-height: calc(100vh - 4.5rem); overflow-y: auto;
  }
  .nav[data-open="true"] { transform: translateY(0); }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__link { padding-block: 0.9em; border-bottom: 1px solid var(--line); }
  .nav__link::after { display: none; }
  .nav .btn { margin-top: var(--space-3); }
}

/* Footer */
.site-footer {
  background: var(--ink); color: var(--paper);
  padding-block: var(--space-6) var(--space-4);
}
.site-footer a { color: var(--paper); text-decoration-color: var(--gold-soft); }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; gap: var(--space-5); }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer__brand { font-family: var(--font-display); font-size: var(--step-2); font-weight: 500; }
.footer__tag { color: #cfc3b0; margin-top: var(--space-2); max-width: 26rem; }
.footer__heading {
  font-family: var(--font-body); font-size: var(--step--1); font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold-soft);
  margin-bottom: var(--space-3);
}
.footer__list li + li { margin-top: 0.5em; }
.footer__bottom {
  margin-top: var(--space-5); padding-top: var(--space-4);
  border-top: 1px solid rgba(245, 239, 228, 0.16);
  display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-5);
  justify-content: space-between; align-items: center;
  font-size: var(--step--1); color: #cfc3b0;
}

/* ---------- Hero ---------- */
.hero { position: relative; padding-block: clamp(3.5rem, 9vw, 7rem); overflow: hidden; }
.hero__eyebrow { margin-bottom: var(--space-4); }
.hero__title { max-width: 16ch; }
.hero__lede { margin-top: var(--space-4); max-width: 42ch; }
.hero__actions { margin-top: var(--space-5); display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* ---------- Motion (JS adds .js to <html>; no-JS shows everything) ---------- */
.js .reveal { opacity: 0; transform: translateY(14px); }
.js .reveal.is-visible {
  opacity: 1; transform: none;
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.js .reveal.is-visible[style*="--d"] { transition-delay: var(--d); }

@keyframes fade-up { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}

/* ---------- Focus ---------- */
:focus-visible {
  outline: 2px solid var(--claret);
  outline-offset: 2px;
  border-radius: 2px;
}
.site-footer :focus-visible { outline-color: var(--gold-soft); }

/* ============================================================
   Home page
   ============================================================ */
.hero-layout { display: grid; gap: var(--space-5); align-items: center; }
@media (min-width: 920px) {
  .hero-layout { grid-template-columns: 1.05fr 0.95fr; gap: var(--space-6); }
}

.pattern-figure {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 4vw, 2.4rem);
  box-shadow: var(--shadow);
  background-image:
    linear-gradient(to right, rgba(217, 83, 26, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(217, 83, 26, 0.06) 1px, transparent 1px);
  background-size: 22px 22px;
}
.pattern-figure svg { width: 100%; height: auto; max-width: 22rem; margin-inline: auto; }
.pattern-figure figcaption {
  margin-top: var(--space-3);
  text-align: center;
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.value-card .card__title { font-family: var(--font-display); font-size: var(--step-1); }

.steps { counter-reset: step; }
.step { height: 100%; }
.step__num {
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 500;
  color: var(--claret);
  line-height: 1;
}
.step__title { margin-top: var(--space-2); }
.step__body { margin-top: var(--space-2); color: var(--muted); }

.note-line {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-left: 2px solid var(--gold);
  background: var(--surface);
  color: var(--muted);
}

.cat-card { display: flex; flex-direction: column; }
.cat-card__num {
  font-family: var(--font-display); font-size: var(--step-2); color: var(--gold);
  line-height: 1;
}
.cat-card__title { margin-top: var(--space-2); }
.cat-card__body { margin-top: var(--space-2); color: var(--muted); flex: 1; }
.cat-card__link { margin-top: var(--space-3); }

.trust {
  display: flex; flex-wrap: wrap; gap: var(--space-4);
  align-items: center; justify-content: space-between;
  padding: var(--space-4) 0;
}
.trust p { max-width: 46rem; color: var(--muted); }

.cta-band {
  background: var(--ink); color: var(--paper);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3.5rem);
  text-align: center;
}
.cta-band h2 { color: var(--paper); }
.cta-band p { color: #cfc3b0; margin-top: var(--space-3); max-width: 40ch; margin-inline: auto; }
.cta-band .hero__actions { justify-content: center; }

/* ============================================================
   Category pages
   ============================================================ */
.category-hero { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.category-hero .lede { margin-top: var(--space-4); }

.product-grid { align-items: start; }
.product { display: flex; flex-direction: column; }
.product__head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: var(--space-3); margin-bottom: var(--space-2);
}
.product__title { font-size: var(--step-1); }
.product__head .badge { flex: none; margin-top: 0.25em; }
.product__summary { color: var(--muted); }
.product__points { margin-top: var(--space-3); }
.product__points li { padding-block: 0.2em; }
.product .waitlist {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--line-strong);
}

/* ============================================================
   Auth + account
   ============================================================ */
.auth-wrap { max-width: 30rem; }
.auth-head { text-align: center; margin-bottom: var(--space-4); }
.auth-card form .btn { margin-top: var(--space-5); }
.auth-alt { margin-top: var(--space-4); color: var(--muted); }

.field-check { display: flex; align-items: center; gap: 0.55em; }
.field__label--inline { margin-bottom: 0; font-weight: 500; }
.checkbox { width: 1.1em; height: 1.1em; accent-color: var(--claret); flex: none; }

/* Account dashboard */
.account-grid { display: grid; gap: var(--space-4); }
@media (min-width: 820px) { .account-grid { grid-template-columns: 1fr 1.4fr; align-items: start; } }
.account-summary dt { font-size: var(--step--1); letter-spacing: 0.1em; text-transform: uppercase;
                      color: var(--muted); margin-top: var(--space-3); }
.account-summary dd { font-size: var(--step-1); }
.waitlist-list li {
  display: flex; flex-wrap: wrap; gap: 0.3em var(--space-3); justify-content: space-between;
  align-items: baseline; padding: var(--space-3) 0; border-bottom: 1px dashed var(--line-strong);
}
.waitlist-list li:last-child { border-bottom: 0; }
.waitlist-list .wl-name { font-weight: 600; }
.waitlist-list .wl-meta { font-size: var(--step--1); color: var(--muted); }
.empty-state { padding: var(--space-4); border: 1px dashed var(--line-strong);
               border-radius: var(--radius); background: var(--surface); color: var(--muted); }

/* ---------- Utilities ---------- */
.center { text-align: center; }
.justify-center { justify-content: center; }
.measure { max-width: 38rem; }
.mt-0 { margin-top: 0; }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.muted { color: var(--muted); }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}