/* GFS "We're Moving" landing page.
   Tokens come from Brand Assets/BRAND.md (the live gfsflooringsupply.com design system).
   Scaffold styles: layout and accessibility are in place; the visual design pass is build step 2. */

:root {
  --gfs-primary:       #162433;  /* navy, brand --color-bg-dark */
  --gfs-accent:        #2B8DC4;  /* brand blue, --color-accent */
  --gfs-accent-strong: #1F6FA0;  /* brand --color-accent-dark; CTA fills, since white on #2B8DC4 is under 4.5:1 */
  --gfs-accent-light:  #EBF4FB;  /* brand tint */
  --gfs-ink:           #1A1918;  /* brand --color-text */
  --gfs-paper:         #FAFAF7;  /* brand --color-bg-1 */
  --gfs-surface:       #F0EBE3;  /* brand --color-bg-2 */
  --gfs-muted:         #6B6560;  /* brand --color-text-muted */
  --gfs-divider:       #DDD7CF;  /* brand --color-divider */
  --gfs-on-dark:       #EDE8E2;  /* brand --color-text-light */
  --gfs-error:         #B42318;

  --font-display: "Lora", Georgia, serif;
  --font-body:    "DM Sans", system-ui, Arial, sans-serif;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;

  --radius: 10px;
  --container: 72rem;
  --container-narrow: 44rem;
  --topbar-h: 4rem;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: var(--topbar-h); }
body { margin: 0; background: var(--gfs-paper); color: var(--gfs-ink); font-family: var(--font-body); font-size: 1.0625rem; line-height: 1.6; }
img, picture, svg { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; margin: 0 0 var(--space-2); }
h1 { font-size: clamp(2rem, 6vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 var(--space-2); }
ul { margin: 0; padding: 0; list-style: none; }
a { color: var(--gfs-accent-strong); }
address { font-style: normal; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }

:focus-visible { outline: 3px solid var(--gfs-accent); outline-offset: 3px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--space-2); }
.container--narrow { max-width: var(--container-narrow); }

.skip-link { position: absolute; left: var(--space-2); top: -4rem; z-index: 100; padding: var(--space-1) var(--space-2); background: var(--gfs-primary); color: #fff; border-radius: var(--radius); }
.skip-link:focus { top: var(--space-1); }

/* Unfilled placeholders stay loud so they can't ship by accident. */
.fill { background: #FFF3BF; color: #5C4400; padding: 0 0.25em; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0.75rem 1.5rem; border-radius: 999px; border: 2px solid transparent; font: 700 1rem/1.2 var(--font-body); text-decoration: none; cursor: pointer; }
.btn--primary { background: var(--gfs-accent-strong); color: #fff; }
.btn--primary:hover { background: var(--gfs-primary); }
.btn--outline { border-color: var(--gfs-accent-strong); color: var(--gfs-accent-strong); background: transparent; }
.btn--outline:hover { background: var(--gfs-accent-light); }
.btn--small { min-height: 44px; padding: 0.5rem 1rem; font-size: 0.9375rem; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.6; cursor: wait; }

/* 3.1 Top bar */
.topbar { position: sticky; top: 0; z-index: 50; background: var(--gfs-paper); border-bottom: 1px solid var(--gfs-divider); }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); min-height: var(--topbar-h); }
.topbar__logo { width: auto; height: 36px; }
.topbar__note { display: none; margin: 0; color: var(--gfs-muted); font-size: 0.9375rem; }

/* 3.2 Hero */
.hero { position: relative; min-height: 85vh; display: grid; background: var(--gfs-primary); color: #fff; overflow: hidden; }
.hero picture, .hero__media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero__overlay { position: relative; display: flex; align-items: flex-end; background: linear-gradient(180deg, rgba(22, 36, 51, 0.15) 0%, rgba(22, 36, 51, 0.85) 70%); }
.hero__content { padding-top: var(--space-5); padding-bottom: var(--space-4); }
.hero h1 { color: #fff; max-width: 18ch; }
.hero__sub { max-width: 38rem; color: var(--gfs-on-dark); font-size: 1.125rem; }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin-top: var(--space-3); }
.hero__call { color: #fff; font-weight: 500; }
.eyebrow { margin-bottom: var(--space-1); color: var(--gfs-on-dark); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.875rem; }
.trust { margin: var(--space-2) 0 0; color: var(--gfs-on-dark); font-size: 0.9375rem; font-weight: 500; }
.badge { display: inline-block; margin-bottom: var(--space-2); padding: 0.375rem 0.875rem; border-radius: 999px; background: var(--gfs-accent-light); color: var(--gfs-primary); font-weight: 700; font-size: 0.875rem; }

/* Sections */
.section { padding: var(--space-5) 0; }
.section--alt { background: var(--gfs-surface); }
.lede { max-width: 42rem; color: var(--gfs-muted); }

/* 3.4 Proof: brand logos, reviews, then jobs */
.brands { margin-bottom: var(--space-5); padding-bottom: var(--space-4); border-bottom: 1px solid var(--gfs-divider); text-align: center; }
.brands__label { margin: 0 0 var(--space-2); color: var(--gfs-muted); font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.brands__list { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: var(--space-3) var(--space-4); }
.brands__list img { display: block; max-width: 100%; height: auto; opacity: 0.85; }
.jobs__title { margin-top: var(--space-5); }
.jobs { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3) var(--space-2); margin-top: var(--space-3); }
.job p { font-size: 0.9375rem; }
.job img { width: 100%; border-radius: var(--radius); aspect-ratio: 3 / 4; object-fit: cover; margin-bottom: var(--space-1); }
.job p { margin: 0 0 0.25rem; }
.job__desc { font-weight: 700; }
.job__material { color: var(--gfs-muted); font-size: 0.9375rem; }

.rating { font-weight: 700; color: var(--gfs-primary); }
.reviews { display: grid; gap: var(--space-2); margin: var(--space-3) 0 var(--space-2); }
.review { padding: var(--space-3); border-radius: var(--radius); background: var(--gfs-paper); }
.review blockquote { margin: 0 0 var(--space-1); }
.review blockquote p { margin: 0; font-family: var(--font-display); font-size: 1.125rem; line-height: 1.45; }
.review__who { margin: 0; color: var(--gfs-muted); font-weight: 700; font-size: 0.9375rem; }
.reviews__link { font-weight: 700; }

/* 3.5 FAQ */
.faq { display: grid; gap: var(--space-3); margin: var(--space-3) 0; }
.faq dt { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; margin-bottom: var(--space-1); }
.faq dd { margin: 0; color: var(--gfs-muted); }

/* 3.3 Form */
/* Product mosaic behind the form: stills from the Asset Hub B-roll (assets/img/form-mosaic-*).
   Navy overlay keeps the heading readable; the white form card sits on top. Tall cut on phones, wide from 768px. */
.section--form {
  --mosaic-veil: linear-gradient(180deg, rgba(22, 36, 51, 0.78) 0%, rgba(22, 36, 51, 0.7) 45%, rgba(22, 36, 51, 0.84) 100%);
  background-color: var(--gfs-primary);
  background-image: var(--mosaic-veil), url("../assets/img/form-mosaic-tall.jpg");
  background-image: var(--mosaic-veil), image-set(url("../assets/img/form-mosaic-tall.webp") type("image/webp"), url("../assets/img/form-mosaic-tall.jpg") type("image/jpeg"));
  background-size: cover;
  background-position: center;
  color: var(--gfs-on-dark);
}
.section--form h2 { color: #fff; }
.section--form .lede { color: var(--gfs-on-dark); }
.section--form:focus { outline: none; }
.form { margin-top: var(--space-3); padding: var(--space-3); border-radius: var(--radius); background: var(--gfs-paper); color: var(--gfs-ink); }
.form__grid { display: grid; gap: 0 var(--space-2); }
.field { margin-bottom: var(--space-2); }
.field label, .field legend { display: block; margin-bottom: 0.375rem; font-weight: 700; font-size: 0.9375rem; }
.field input, .field select, .field textarea { width: 100%; min-height: 48px; padding: 0.625rem 0.75rem; border: 1.5px solid var(--gfs-divider); border-radius: 8px; background: #fff; color: var(--gfs-ink); font: inherit; }
.field textarea { min-height: 6rem; resize: vertical; }
.field [aria-invalid="true"] { border-color: var(--gfs-error); }
.field__error { margin: 0.375rem 0 0; color: var(--gfs-error); font-size: 0.875rem; font-weight: 500; }
.pills { display: flex; flex-wrap: wrap; gap: var(--space-1); }
.pill { position: relative; }
.pill input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.pill span { display: inline-flex; align-items: center; min-height: 44px; padding: 0.5rem 1rem; border: 1.5px solid var(--gfs-divider); border-radius: 999px; background: #fff; cursor: pointer; font-weight: 500; }
.pill input:checked + span { border-color: var(--gfs-accent-strong); background: var(--gfs-accent-light); color: var(--gfs-primary); }
.pill input:focus-visible + span { outline: 3px solid var(--gfs-accent); outline-offset: 2px; }
.form__note { margin: var(--space-1) 0 0; font-weight: 700; text-align: center; }
.form__consent { margin: var(--space-1) 0 0; font-size: 0.8125rem; color: var(--gfs-muted); text-align: center; }
.form__optional { margin: var(--space-3) 0 var(--space-2); padding-top: var(--space-2); border-top: 1px solid var(--gfs-divider); color: var(--gfs-muted); font-weight: 700; font-size: 0.9375rem; }
.fine-print { margin: var(--space-3) 0 0; font-size: 0.8125rem; color: var(--gfs-muted); }
.form__error { margin-top: var(--space-2); padding: var(--space-2); border-radius: 8px; background: #FEF3F2; color: var(--gfs-error); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* 3.6 Visit */
.visit-wrap { display: grid; gap: var(--space-3); align-items: center; }
.visit__photo { margin: 0; }
.visit__photo img { width: 100%; border-radius: var(--radius); aspect-ratio: 3 / 2; object-fit: cover; }
.visit__caption { margin-top: var(--space-1); color: var(--gfs-muted); font-size: 0.9375rem; }
.visit { display: grid; gap: var(--space-1); justify-items: start; }
.visit__address { font-size: 1.25rem; font-weight: 700; }
.visit__note { color: var(--gfs-muted); font-size: 0.9375rem; }

/* thank-you.html */
.thanks__h2 { margin-top: var(--space-4); font-size: 1.4rem; }
.checklist { display: grid; gap: var(--space-1); margin-bottom: var(--space-2); }
.checklist li { position: relative; padding-left: 1.75rem; }
.checklist li::before { content: ""; position: absolute; left: 0; top: 0.45em; width: 1rem; height: 0.55rem; border-left: 2.5px solid var(--gfs-accent-strong); border-bottom: 2.5px solid var(--gfs-accent-strong); transform: rotate(-45deg); }
.thanks__note { color: var(--gfs-muted); margin-bottom: var(--space-3); }
.thanks__lookbook { margin-top: var(--space-4); padding: var(--space-3) var(--space-2) var(--space-3); border-radius: 12px; background: var(--gfs-accent-light); text-align: center; overflow: hidden; }
.thanks__lookbook .lookbook__covers { width: min(52%, 220px); margin-top: 0; margin-bottom: var(--space-2); }
.thanks__lookbook .thanks__h2 { margin-top: 0.25rem; }
.thanks__lookbook p:not(.lookbook__eyebrow) { max-width: 34rem; margin-left: auto; margin-right: auto; }
.thanks__explore { margin-top: var(--space-3); text-align: center; }

/* 3.6b Look book */
.lookbook { border-top: 1px solid var(--gfs-divider); overflow: hidden; }
.lookbook__wrap { display: grid; gap: var(--space-4); align-items: center; }
/* Fanned stack of three look book pages, cover in front. Sized by the front page; the back two peek out. */
.lookbook__covers { position: relative; width: min(62%, 220px); margin: var(--space-2) auto var(--space-1); aspect-ratio: 480 / 642; }
.lookbook__page { position: absolute; inset: 0; }
.lookbook__page img { display: block; width: 100%; height: 100%; object-fit: cover; border-radius: 4px; box-shadow: 0 10px 28px rgba(22, 36, 51, 0.28), 0 2px 6px rgba(22, 36, 51, 0.18); }
.lookbook__page--back-left { transform: translateX(-38%) rotate(-9deg) scale(0.9); transform-origin: bottom center; }
.lookbook__page--back-right { transform: translateX(38%) rotate(9deg) scale(0.9); transform-origin: bottom center; }
.lookbook__page--front { z-index: 1; }
.lookbook__eyebrow { margin: 0 0 var(--space-1); color: var(--gfs-muted); font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.lookbook__form { display: grid; gap: var(--space-1); margin-top: var(--space-3); max-width: 34rem; }
.lookbook__form[hidden] { display: none; }
.lookbook__field { margin: 0; }
.lookbook__button { justify-self: start; }
.lookbook__msg { max-width: 34rem; margin-top: var(--space-3); }
.lookbook__msg--ok { padding: var(--space-2); border-radius: 8px; background: var(--gfs-accent-light); color: var(--gfs-primary); font-weight: 500; }
.lookbook__msg:target { display: block; } /* no-JS result after the function's redirect */
.lookbook__msg:focus { outline: none; }

/* 3.7 Footer */
.footer { padding: var(--space-4) 0 calc(var(--space-4) + 5rem); background: var(--gfs-primary); color: var(--gfs-on-dark); font-size: 0.9375rem; }
.footer a { color: #fff; }
.footer p { margin: 0 0 var(--space-1); }
.footer__logo { width: auto; height: 36px; margin-bottom: var(--space-2); filter: brightness(0) invert(1); } /* white version until gfs-logo-white.svg exists */
.footer__small { color: var(--gfs-on-dark); font-size: 0.8125rem; }
.footer--plain { padding-bottom: var(--space-4); }
.footer__nav { margin: 0 0 var(--space-3); }
.footer__heading { margin: 0 0 var(--space-1); color: #fff; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.8125rem; }
.footer__menu { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 var(--space-2); }
.footer__menu a { display: inline-block; padding: 0.625rem 0; text-decoration: none; }
.footer__menu a:hover, .footer__menu a:focus-visible { text-decoration: underline; }
@media (min-width: 768px) { .footer__menu { display: flex; flex-wrap: wrap; gap: 0 var(--space-3); } }
.topbar__home { display: inline-flex; border-radius: 4px; }

/* 3.8 Sticky mobile CTA */
.sticky-cta { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: flex; gap: var(--space-1); padding: var(--space-1) var(--space-2) calc(var(--space-1) + env(safe-area-inset-bottom)); background: var(--gfs-paper); border-top: 1px solid var(--gfs-divider); transition: transform 0.2s ease; }
.sticky-cta__main { flex: 1; }
.sticky-cta__call { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 999px; border: 2px solid var(--gfs-accent-strong); color: var(--gfs-accent-strong); }
.sticky-cta.is-hidden { transform: translateY(110%); }

/* Tablet and up */
@media (min-width: 768px) {
  .topbar__note { display: block; }
  .jobs { grid-template-columns: repeat(2, 1fr); }
  .reviews { grid-template-columns: repeat(3, 1fr); }
  .form__grid { grid-template-columns: 1fr 1fr; }
  .visit-wrap { grid-template-columns: 1fr 1fr; gap: var(--space-4); }
  .lookbook__form { grid-template-columns: 1fr auto; align-items: end; column-gap: var(--space-2); }
  .lookbook__wrap { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-5); }
  .lookbook__covers { width: min(56%, 250px); margin: var(--space-3) auto; }
  .lookbook__form .field__error { grid-column: 1 / -1; }
  .section--form {
    background-image: var(--mosaic-veil), url("../assets/img/form-mosaic-wide.jpg");
    background-image: var(--mosaic-veil), image-set(url("../assets/img/form-mosaic-wide.webp") type("image/webp"), url("../assets/img/form-mosaic-wide.jpg") type("image/jpeg"));
  }
  .hero { min-height: 80vh; }
  .sticky-cta { display: none; }
  .footer { padding-bottom: var(--space-4); }
}

@media (min-width: 1100px) {
  .jobs { grid-template-columns: repeat(4, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sticky-cta { transition: none; }
}