/* Components: spec/pages/00-theme-and-design-system.md section 7 and 01-global-layout.md. Tokens only (theme.css). */

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + var(--space-4)); }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  overflow-x: clip; /* safety net only; layouts must not overflow (checked at 320px) */
}
body.is-locked { overflow: hidden; }
img, svg, video, iframe { display: block; max-width: 100%; }
img { height: auto; }
picture { display: contents; }
a { color: var(--color-accent-strong); text-underline-offset: 3px; transition: color var(--t-fast); }
a:hover { color: var(--color-ink); }
h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; margin: 0 0 var(--space-4); color: inherit; }
h1 { font-size: var(--fs-h1); line-height: var(--lh-h1); }
h2 { font-size: var(--fs-h2); line-height: var(--lh-h2); }
h3 { font-size: var(--fs-h3); line-height: var(--lh-h3); }
h4 { font-family: var(--font-sans); font-size: var(--fs-h4); line-height: var(--lh-h4); font-weight: 600; margin: 0 0 var(--space-3); }
p { margin: 0 0 var(--space-4); max-width: var(--measure); }
ul, figure { margin: 0; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.on-dark :focus-visible { outline-color: var(--color-on-dark); }
.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;
}
.skip-link {
  position: absolute; left: var(--space-4); top: -100px; z-index: 100;
  background: var(--color-ink); color: var(--color-on-dark); padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
}
.skip-link:focus { top: var(--space-4); color: var(--color-on-dark); }

.container { width: 100%; max-width: calc(var(--container) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-pad); }
.section--sand { background: var(--color-sand); }
.section--surface { background: var(--color-surface); }
.section--dark { background: var(--color-dark); color: var(--color-on-dark); }
.section--tight { padding-block: var(--space-7); }
.muted { color: var(--color-ink-muted); }
.small { font-size: var(--fs-small); line-height: var(--lh-small); }
.center { text-align: center; }
.center p { margin-inline: auto; }
.stack-row { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center; }
.center .stack-row, .stack-row.center { justify-content: center; }
.mt-6 { margin-top: var(--space-6); }
.mt-7 { margin-top: var(--space-7); }

/* ---------- Icons ---------- */
.icon { width: 24px; height: 24px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.icon--glyph { fill: currentColor; stroke: none; }
.icon--lg { width: 32px; height: 32px; }
.icon--sm { width: 18px; height: 18px; }

/* ---------- 7.1 Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: var(--btn-h); padding: 14px 28px; border-radius: var(--radius-sm); border: 1px solid transparent;
  font: 500 1rem/1.2 var(--font-sans); text-decoration: none; cursor: pointer; text-align: center;
  transition: background-color var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.btn-primary { background: var(--color-ink); color: var(--color-on-dark); }
.btn-primary:hover { background: var(--color-brand-grey); color: var(--color-on-dark); }
.btn-secondary { background: transparent; color: var(--color-ink); border-color: var(--color-ink); }
.btn-secondary:hover { background: var(--color-ink); color: var(--color-on-dark); }
.btn-secondary--light { background: transparent; color: var(--color-on-dark); border-color: var(--color-on-dark); }
.btn-secondary--light:hover { background: var(--color-on-dark); color: var(--color-ink); }
.btn-whatsapp { background: var(--color-whatsapp); color: var(--color-on-whatsapp); }
.btn-whatsapp:hover { background: var(--color-whatsapp-hover); color: var(--color-on-whatsapp); }
.btn--compact { min-height: var(--btn-h-compact); padding: var(--space-2) var(--space-4); font-size: var(--fs-small); }
.btn--block { width: 100%; }
@media (max-width: 639px) { .btn--block-mobile { width: 100%; } }
.btn--lg { min-height: 56px; padding-inline: var(--space-7); font-size: var(--fs-h4); }
.btn-link {
  display: inline-flex; align-items: center; gap: var(--space-2); min-height: var(--tap);
  color: var(--color-accent-strong); font-weight: 500; text-decoration: none;
  background: linear-gradient(currentColor, currentColor) 0 calc(100% - 10px) / 0 1px no-repeat;
  transition: background-size var(--t-fast), color var(--t-fast);
  border: 0; padding: 0; font-family: inherit; font-size: inherit; cursor: pointer;
}
.btn-link:hover { background-size: 100% 1px; color: var(--color-accent-strong); }
.btn-link .icon--wa { color: var(--color-whatsapp-hover); }
.on-dark .btn-link, .section--dark .btn-link { color: var(--color-on-dark); }

/* ---------- 7.2 Section heading ---------- */
.eyebrow {
  display: block; font-size: var(--fs-eyebrow); letter-spacing: var(--ls-eyebrow); text-transform: uppercase;
  font-weight: 500; color: var(--color-accent-strong); margin-bottom: var(--space-3);
}
.section--dark .eyebrow, .on-dark .eyebrow { color: var(--color-on-dark-muted); }
.section-heading { margin-bottom: var(--space-7); }
.section-heading h2 { margin-bottom: var(--space-4); }
.section-heading p { color: var(--color-ink-muted); margin-top: var(--space-5); }
.section--dark .section-heading p { color: var(--color-on-dark-muted); }
.section-heading--center { text-align: center; }
.section-heading--center p { margin-inline: auto; }
.roofline { display: block; width: 56px; height: 14px; color: var(--color-accent); }
.section-heading--center .roofline { margin-inline: auto; }

/* ---------- Grids ---------- */
.grid { display: grid; gap: var(--grid-gap); }
.grid--2, .grid--3, .grid--4, .grid--5 { grid-template-columns: 1fr; }
@media (min-width: 640px) {
  .grid--2, .grid--3, .grid--4, .grid--5 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1025px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .grid--5 { grid-template-columns: repeat(5, 1fr); }
}
.grid > *, .split > *, .video-split > *, .process-full > *, .footer-grid > * { min-width: 0; }
.split { display: grid; gap: var(--space-7); align-items: center; }
@media (min-width: 1025px) {
  .split { grid-template-columns: 1fr 1fr; gap: var(--space-9); }
  .split--reverse > :first-child { order: 2; }
}
.frame { display: block; overflow: hidden; border-radius: var(--radius-md); background: var(--color-sand); position: relative; }
.frame img { width: 100%; height: 100%; object-fit: cover; }
.ratio-4x5 { aspect-ratio: 4 / 5; }
.ratio-4x3 { aspect-ratio: 4 / 3; }
.ratio-16x9 { aspect-ratio: 16 / 9; }

/* ---------- Header (global layout 2) ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; height: var(--header-h);
  background: var(--color-surface); box-shadow: var(--shadow-sm); color: var(--color-ink);
  transition: height var(--t-fast), background-color var(--t-fast), box-shadow var(--t-fast), color var(--t-fast);
}
.site-header.is-scrolled { height: var(--header-h-scrolled); }
.site-header--overlay { position: fixed; inset: 0 0 auto; background: transparent; box-shadow: none; color: var(--color-on-dark); }
.site-header--overlay.is-scrolled { background: var(--color-surface); box-shadow: var(--shadow-sm); color: var(--color-ink); }
.header-inner { height: 100%; display: flex; align-items: center; gap: var(--space-3); }
@media (min-width: 640px) { .header-inner { gap: var(--space-5); } }
.logo { display: inline-flex; align-items: center; gap: var(--space-3); text-decoration: none; color: inherit; margin-right: auto; }
.logo img { height: var(--logo-h); width: auto; transition: height var(--t-fast); }
.site-header.is-scrolled .logo img { height: var(--logo-h-scrolled); }
.header-actions { gap: var(--space-2); }
@media (min-width: 640px) { .header-actions { gap: var(--space-3); } }
.logo .logo-light { display: none; }
.site-header--overlay:not(.is-scrolled) .logo-dark { display: none; }
.site-header--overlay:not(.is-scrolled) .logo-light { display: block; }

.nav-desktop { display: none; }
.nav-list { list-style: none; padding: 0; margin: 0; display: flex; gap: var(--space-5); align-items: center; }
.nav-list a, .nav-dropdown-toggle {
  color: inherit; text-decoration: none; font: 500 var(--fs-nav)/1 var(--font-sans);
  padding: var(--space-3) 0; display: inline-flex; align-items: center; gap: var(--space-1);
  background: linear-gradient(var(--color-accent), var(--color-accent)) 0 100% / 0 2px no-repeat;
  transition: background-size var(--t-fast);
  border: 0; cursor: pointer; min-height: var(--tap);
}
.nav-list a:hover, .nav-list a[aria-current="page"], .nav-dropdown-toggle:hover, .nav-dropdown.is-current > .nav-dropdown-toggle { background-size: 100% 2px; }
.nav-dropdown { position: relative; }
.nav-dropdown-toggle .icon { width: 16px; height: 16px; transition: transform var(--t-fast); }
.nav-dropdown-toggle[aria-expanded="true"] .icon { transform: rotate(180deg); }
.nav-dropdown-menu {
  position: absolute; top: 100%; left: calc(-1 * var(--space-4)); min-width: 280px;
  list-style: none; margin: 0; padding: var(--space-2) 0; background: var(--color-surface); color: var(--color-ink);
  border: 1px solid var(--color-line); border-radius: var(--radius-md); box-shadow: var(--shadow-md);
  display: none;
}
.nav-dropdown-menu.is-open { display: block; }
.nav-dropdown-menu a { display: flex; padding: var(--space-3) var(--space-4); background: none; width: 100%; }
.nav-dropdown-menu a:hover, .nav-dropdown-menu a[aria-current="page"] { background: var(--color-sand); }
.header-actions { display: flex; align-items: center; }
.icon-btn {
  width: var(--tap); height: var(--tap); border-radius: var(--radius-round); display: inline-grid; place-items: center;
  color: inherit; background: transparent; border: 0; cursor: pointer; text-decoration: none;
  transition: color var(--t-fast), background-color var(--t-fast);
}
.icon-btn:hover { color: var(--color-accent); }
.icon-btn--wa { background: var(--color-whatsapp); color: var(--color-on-whatsapp); }
.icon-btn--wa:hover { background: var(--color-whatsapp-hover); color: var(--color-on-whatsapp); }
.header-wa-full, .header-instagram { display: none; }
@media (min-width: 1025px) {
  .nav-desktop { display: block; }
  .menu-toggle, .header-wa-icon { display: none; }
  .header-wa-full, .header-instagram { display: inline-flex; }
  .header-wa-full { min-height: var(--btn-h-compact); }
}

/* Mobile panel */
.mobile-panel {
  position: fixed; inset: 0; z-index: 60; visibility: hidden; pointer-events: none;
}
.mobile-panel.is-open { visibility: visible; pointer-events: auto; }
.mobile-panel__backdrop { position: absolute; inset: 0; background: var(--color-lightbox-backdrop); opacity: 0; transition: opacity var(--t-fast); }
.mobile-panel.is-open .mobile-panel__backdrop { opacity: 0.6; }
.mobile-panel__inner {
  position: absolute; inset: 0 0 0 auto; width: min(360px, 88vw); background: var(--color-surface); color: var(--color-ink);
  padding: var(--space-4) var(--space-5) var(--space-6); overflow-y: auto; display: flex; flex-direction: column; gap: var(--space-5);
  transform: translateX(100%); transition: transform var(--t-reveal) var(--ease-out);
}
.mobile-panel.is-open .mobile-panel__inner { transform: none; }
.mobile-panel__top { display: flex; justify-content: space-between; align-items: center; }
.mobile-nav { list-style: none; margin: 0; padding: 0; }
.mobile-nav > li { border-bottom: 1px solid var(--color-line); }
.mobile-nav a, .mobile-nav button {
  display: flex; justify-content: space-between; align-items: center; width: 100%; min-height: 52px;
  font: 500 var(--fs-h4) var(--font-sans); color: var(--color-ink); text-decoration: none; background: none; border: 0; padding: 0; cursor: pointer;
}
.mobile-nav a[aria-current="page"] { color: var(--color-accent-strong); }
.mobile-nav ul { list-style: none; padding: 0 0 var(--space-3) var(--space-4); margin: 0; }
.mobile-nav ul a { font-size: var(--fs-body); min-height: var(--tap); font-weight: 400; }
.mobile-nav button .icon { transition: transform var(--t-fast); }
.mobile-nav button[aria-expanded="true"] .icon { transform: rotate(180deg); }
.mobile-panel__phone { display: inline-flex; gap: var(--space-2); align-items: center; color: var(--color-ink); text-decoration: none; min-height: var(--tap); }

/* ---------- Footer (global layout 3) ---------- */
.site-footer { background: var(--color-dark); color: var(--color-on-dark); padding-top: var(--space-8); font-size: var(--fs-small); line-height: var(--lh-small); }
.site-footer a { color: var(--color-on-dark); text-decoration: none; }
.site-footer a:hover { color: var(--color-accent); }
.footer-grid { display: grid; gap: var(--space-7); grid-template-columns: 1fr; padding-bottom: var(--space-7); }
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1025px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1.2fr 1.3fr; } }
.footer-grid h2 { font: 600 var(--fs-h4)/var(--lh-h4) var(--font-sans); margin-bottom: var(--space-4); }
.footer-grid ul { list-style: none; padding: 0; display: grid; gap: var(--space-1); }
.footer-grid ul a { display: inline-flex; min-height: 32px; align-items: center; }
.footer-logo { display: inline-block; margin-bottom: var(--space-4); }
.footer-logo img { width: 200px; height: auto; }
.footer-contact li { display: flex; gap: var(--space-3); align-items: flex-start; color: var(--color-on-dark-muted); }
.footer-contact .icon { color: var(--color-accent); margin-top: 2px; }
.footer-bottom { border-top: 1px solid var(--color-on-dark-line); padding-block: var(--space-5); color: var(--color-on-dark-muted); }
.footer-bottom .container { display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-5); justify-content: space-between; }

/* 7.13 Social icon row */
.social-row { display: flex; gap: var(--space-1); list-style: none; padding: 0; margin: var(--space-4) 0 0; margin-left: calc(-1 * var(--space-3)); }
.social-row a { width: var(--tap); height: var(--tap); display: grid; place-items: center; border-radius: var(--radius-round); color: var(--color-ink-muted); }
.social-row a:hover { color: var(--color-accent); }
.on-dark .social-row a, .site-footer .social-row a { color: var(--color-on-dark-muted); }

/* ---------- Floating WhatsApp + back to top (global layout 4, 6) ---------- */
.wa-float {
  position: fixed; right: var(--space-4); bottom: var(--space-4); z-index: 40;
  width: var(--fab); height: var(--fab); border-radius: var(--radius-round); display: grid; place-items: center;
  background: var(--color-whatsapp); color: var(--color-on-whatsapp); box-shadow: var(--shadow-md);
  transition: background-color var(--t-fast), bottom var(--t-fast);
}
.wa-float:hover { background: var(--color-whatsapp-hover); color: var(--color-on-whatsapp); }
.wa-float .icon { width: 30px; height: 30px; }
.wa-float::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; border: 2px solid var(--color-whatsapp);
  animation: wa-pulse 4s ease-out infinite;
}
@keyframes wa-pulse { 0%, 60% { transform: scale(1); opacity: 0.8; } 100% { transform: scale(1.5); opacity: 0; } }
.wa-float__tip {
  position: absolute; right: calc(100% + var(--space-3)); top: 50%; transform: translateY(-50%);
  white-space: nowrap; background: var(--color-dark); color: var(--color-on-dark); font-size: var(--fs-small);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); opacity: 0; pointer-events: none; transition: opacity var(--t-fast);
}
@media (min-width: 1025px) {
  .wa-float { right: var(--space-5); bottom: var(--space-5); }
  .wa-float:hover .wa-float__tip, .wa-float:focus-visible .wa-float__tip { opacity: 1; }
}
.to-top {
  position: fixed; right: calc(var(--space-4) + (var(--fab) - var(--tap)) / 2); bottom: 88px; z-index: 40;
  width: var(--tap); height: var(--tap); border-radius: var(--radius-round); display: grid; place-items: center;
  background: var(--color-surface); color: var(--color-ink); border: 1px solid var(--color-ink); cursor: pointer;
  opacity: 0; visibility: hidden; transition: opacity var(--t-fast), visibility var(--t-fast), background-color var(--t-fast);
}
.to-top.is-visible { opacity: 1; visibility: visible; }
.to-top:hover { background: var(--color-ink); color: var(--color-on-dark); }
@media (min-width: 1025px) { .to-top { right: calc(var(--space-5) + (var(--fab) - var(--tap)) / 2); bottom: 96px; } }

/* ---------- 7.3 Page banner ---------- */
.page-banner {
  position: relative; min-height: 280px; display: flex; align-items: flex-end; overflow: hidden;
  background: var(--color-sand); color: var(--color-ink); padding-block: var(--space-7);
}
@media (min-width: 1025px) { .page-banner { min-height: 360px; } }
.page-banner--compact { min-height: 200px; }
@media (min-width: 1025px) { .page-banner--compact { min-height: 200px; } }
.page-banner--photo { color: var(--color-on-dark); background: var(--color-dark); }
.page-banner__bg { position: absolute; inset: 0; }
.page-banner__bg img { width: 100%; height: 100%; object-fit: cover; }
.page-banner__bg::after { content: ""; position: absolute; inset: 0; background: var(--overlay-dark); }
.page-banner .container { position: relative; }
.page-banner h1 { margin-bottom: var(--space-3); }
.page-banner p { margin: 0; font-size: var(--fs-h4); }
.page-banner__corner { position: absolute; right: var(--gutter); top: var(--space-6); width: 120px; height: 30px; color: var(--color-accent); opacity: 0.7; }
.page-banner--photo .page-banner__corner { color: var(--color-on-dark-muted); }
.breadcrumb ol { list-style: none; padding: 0; margin: 0 0 var(--space-4); display: flex; flex-wrap: wrap; gap: var(--space-2); font-size: var(--fs-small); }
.breadcrumb li + li::before { content: "/"; margin-right: var(--space-2); opacity: 0.7; }
.breadcrumb a { color: inherit; }
.page-banner:not(.page-banner--photo) .breadcrumb a { color: var(--color-accent-strong); }

/* ---------- Home hero (home.md 1) ---------- */
.hero { position: relative; min-height: 85svh; display: flex; align-items: center; color: var(--color-on-dark); background: var(--color-dark); padding-top: var(--header-h); }
@media (min-width: 1025px) { .hero { min-height: max(600px, 100svh); } }
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after { content: ""; position: absolute; inset: 0; background: var(--overlay-hero); }
.hero .container { position: relative; padding-block: var(--space-7); text-align: center; }
.hero h1 { font-size: var(--fs-display); line-height: var(--lh-display); max-width: 14ch; margin-inline: auto; }
.hero p { font-size: var(--fs-h4); margin-inline: auto; max-width: 46ch; }
.hero .eyebrow { color: var(--color-on-dark); }
.hero .stack-row { justify-content: center; margin-top: var(--space-6); }
@media (min-width: 1025px) {
  .hero .container { text-align: left; }
  .hero h1, .hero p { margin-inline: 0; }
  .hero .stack-row { justify-content: flex-start; }
}
.hero--landing { min-height: 70svh; }

/* ---------- 7.5 Trust strip and stat counters ---------- */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6) var(--space-4); list-style: none; padding: 0; margin: 0; text-align: center; }
@media (min-width: 1025px) {
  .stats { grid-template-columns: repeat(4, 1fr); gap: 0; }
  .stats li + li { border-left: 1px solid var(--color-line); }
}
.stats__num { display: block; font-family: var(--font-serif); font-weight: 600; font-size: var(--fs-h1); line-height: var(--lh-h1); color: var(--color-accent); }
.stats__label { display: block; font-size: var(--fs-small); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-ink-muted); margin-top: var(--space-2); }

/* ---------- 7.4 Cards ---------- */
.card { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); }
.service-card {
  padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-3); position: relative;
  transition: box-shadow var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.service-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-accent); }
.service-card > .icon { color: var(--color-accent); width: 32px; height: 32px; }
.service-card h3 { margin: 0; }
.service-card p { margin: 0; color: var(--color-ink-muted); flex: 1; }
.service-card__img { margin: calc(-1 * var(--space-6)) calc(-1 * var(--space-6)) var(--space-3); border-radius: var(--radius-md) var(--radius-md) 0 0; }
.service-card--photo { padding: 0; overflow: hidden; }
.service-card--photo .service-card__body { padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-3); flex: 1; }
.service-card ul.ticks { margin: var(--space-2) 0; }
.service-card .card-links { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5); }

.project-card { position: relative; display: block; width: 100%; padding: 0; border: 0; background: none; text-align: left; cursor: pointer; color: inherit; font: inherit; }
.project-card .frame { aspect-ratio: 4 / 3; }
.project-card img { transition: transform var(--t-zoom) var(--ease-out); }
.project-card:hover img, .project-card:focus-visible img { transform: scale(1.04); }
.project-card__caption { padding-top: var(--space-3); }
.project-card__name { display: block; font-family: var(--font-serif); font-weight: 600; font-size: var(--fs-h3); line-height: var(--lh-h3); }
.project-card__meta { display: block; font-size: var(--fs-small); color: var(--color-ink-muted); }
.project-card__count { position: absolute; left: var(--space-3); bottom: var(--space-3); background: var(--color-dark); color: var(--color-on-dark); font-size: var(--fs-small); padding: 0 var(--space-2); border-radius: var(--radius-sm); display: inline-flex; gap: var(--space-1); align-items: center; }
@media (min-width: 1025px) and (hover: hover) {
  .project-card__caption {
    position: absolute; inset: auto 0 0 0; padding: var(--space-7) var(--space-5) var(--space-5);
    background: linear-gradient(transparent, rgb(42 43 45 / 80%)); color: var(--color-on-dark); border-radius: 0 0 var(--radius-md) var(--radius-md);
    opacity: 0; transition: opacity var(--t-fast);
  }
  .project-card__meta { color: var(--color-on-dark-muted); }
  .project-card:hover .project-card__caption, .project-card:focus-visible .project-card__caption { opacity: 1; }
  .section--dark .project-card__caption { color: var(--color-on-dark); }
}
.demo-tag {
  position: absolute; top: var(--space-3); right: var(--space-3); z-index: 2;
  font-size: var(--fs-eyebrow); letter-spacing: var(--ls-eyebrow); text-transform: uppercase; font-weight: 600;
  background: var(--color-surface); color: var(--color-accent-strong); border: 1px solid var(--color-accent); padding: 0 var(--space-2); border-radius: var(--radius-sm);
}

.testimonial-card { padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-4); position: relative; height: 100%; }
.stars { display: flex; gap: 2px; color: var(--color-star); }
.stars .icon { width: 18px; height: 18px; }
.stars .is-empty { color: var(--color-line); }
.testimonial-card blockquote { margin: 0; font-family: var(--font-serif); font-style: italic; font-weight: 400; font-size: var(--fs-h3); line-height: var(--lh-h3); flex: 1; }
.testimonial-card blockquote p { margin: 0; }
.testimonial-card.is-clamped blockquote p { display: -webkit-box; -webkit-line-clamp: 6; -webkit-box-orient: vertical; overflow: hidden; }
.testimonial-card figcaption { display: flex; gap: var(--space-3); align-items: center; }
.avatar { width: 48px; height: 48px; border-radius: var(--radius-round); background: var(--color-sand); color: var(--color-ink); display: grid; place-items: center; font-weight: 600; flex: none; }
.testimonial-card cite { font-style: normal; font-weight: 600; display: block; }
.testimonial-card .small { color: var(--color-ink-muted); }

.value-card { padding: var(--space-6) var(--space-5); background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); }
.value-card .icon, .value-card__num { color: var(--color-accent); margin-bottom: var(--space-4); }
.value-card__num { font-family: var(--font-serif); font-size: var(--fs-h2); line-height: 1; font-weight: 600; display: block; }
.value-card h3 { font-size: var(--fs-h3); margin-bottom: var(--space-2); }
.value-card p { margin: 0; color: var(--color-ink-muted); font-size: var(--fs-small); line-height: var(--lh-small); }

.ticks { list-style: none; padding: 0; display: grid; gap: var(--space-2); }
.ticks li { display: flex; gap: var(--space-3); align-items: flex-start; }
.ticks .icon { color: var(--color-accent-strong); margin-top: 3px; width: 20px; height: 20px; }
.ticks--cols { grid-template-columns: 1fr; }
@media (min-width: 640px) { .ticks--cols { grid-template-columns: repeat(2, 1fr); gap: var(--space-3) var(--space-6); } }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: var(--space-3); list-style: none; padding: 0; margin: 0; }
.center .chips, .chips--center { justify-content: center; }
.chip {
  display: inline-flex; align-items: center; gap: var(--space-2); min-height: var(--tap); padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-line); border-radius: var(--radius-round); background: var(--color-surface); color: var(--color-ink);
  text-decoration: none; font-size: var(--fs-small); font-weight: 500;
}
a.chip:hover { border-color: var(--color-accent); color: var(--color-ink); }
.chip .icon { color: var(--color-accent); width: 20px; height: 20px; }

/* ---------- 7.6 Video facade ---------- */
.video-row { display: flex; gap: var(--space-5); overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding-bottom: var(--space-2); }
.video-row::-webkit-scrollbar { display: none; }
.video-item { flex: 0 0 80%; scroll-snap-align: center; max-width: 400px; }
@media (min-width: 640px) { .video-item { flex-basis: 300px; } }
@media (min-width: 1025px) { .video-row { overflow: visible; justify-content: flex-end; } .video-item { flex: 0 0 300px; } }
.video-facade { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-md); overflow: hidden; background: var(--color-dark); }
.video-facade--short { aspect-ratio: 9 / 16; }
.video-facade img, .video-facade iframe { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border: 0; }
.video-facade__play {
  position: absolute; inset: 0; margin: auto; width: var(--play); height: var(--play); border-radius: var(--radius-round);
  background: var(--color-surface); color: var(--color-ink); border: 0; display: grid; place-items: center; cursor: pointer;
  transition: transform var(--t-fast); box-shadow: var(--shadow-md);
}
.video-facade__play:hover { transform: scale(1.08); }
.video-facade__play .icon { width: 28px; height: 28px; margin-left: 4px; }
.video-caption { margin: var(--space-3) 0 0; font-size: var(--fs-small); }
.video-caption a { color: inherit; }
.video-split { display: grid; gap: var(--space-7); align-items: center; }
@media (min-width: 1025px) { .video-split { grid-template-columns: 1fr auto; } }
.dots { display: flex; gap: var(--space-2); justify-content: center; margin-top: var(--space-4); }
.dots button { width: 24px; height: 24px; padding: 0; border: 0; background: none; cursor: pointer; display: grid; place-items: center; }
.dots button::before { content: ""; width: 10px; height: 10px; border-radius: var(--radius-round); background: var(--color-line); transition: background-color var(--t-fast); }
.dots button[aria-current="true"]::before { background: var(--color-accent); }
@media (min-width: 1025px) { .video-dots { display: none; } }

/* ---------- 7.7 Gallery, filters and lightbox ---------- */
.filter-tabs { display: flex; gap: var(--space-2); overflow-x: auto; scroll-snap-type: x proximity; padding-bottom: var(--space-2); margin-bottom: var(--space-6); scrollbar-width: none;
  -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent); mask-image: linear-gradient(90deg, #000 85%, transparent); }
.filter-tabs::-webkit-scrollbar { display: none; }
@media (min-width: 1025px) { .filter-tabs { flex-wrap: wrap; justify-content: center; -webkit-mask-image: none; mask-image: none; } }
.pill {
  flex: none; scroll-snap-align: start; min-height: var(--tap); padding: var(--space-2) var(--space-5); border-radius: var(--radius-round);
  border: 1px solid var(--color-line); background: var(--color-surface); color: var(--color-ink); font: 500 var(--fs-small) var(--font-sans);
  cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; transition: background-color var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.pill:hover { border-color: var(--color-ink); color: var(--color-ink); }
.pill[aria-pressed="true"] { background: var(--color-ink); border-color: var(--color-ink); color: var(--color-on-dark); }
.gallery-grid .is-hidden, .is-hidden { display: none !important; }

.lightbox { position: fixed; inset: 0; z-index: 90; background: var(--color-lightbox-backdrop); color: var(--color-on-dark); display: none; }
.lightbox.is-open { display: flex; flex-direction: column; }
.lightbox__top { display: flex; align-items: center; justify-content: space-between; padding: var(--space-3) var(--space-4); }
.lightbox__counter { font-size: var(--fs-small); color: var(--color-on-dark-muted); }
.lightbox__stage { position: relative; flex: 1; display: grid; place-items: center; min-height: 0; padding: 0 var(--space-4); touch-action: pan-y pinch-zoom; }
.lightbox__stage img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; border-radius: var(--radius-sm); }
.lightbox__btn {
  width: var(--tap); height: var(--tap); border-radius: var(--radius-round); border: 1px solid var(--color-on-dark-muted);
  background: transparent; color: var(--color-on-dark); display: grid; place-items: center; cursor: pointer; transition: background-color var(--t-fast);
}
.lightbox__btn:hover { background: var(--color-on-dark-line); }
.lightbox__prev, .lightbox__next { position: absolute; top: 50%; transform: translateY(-50%); z-index: 2; background: var(--color-dark); }
.lightbox__prev { left: var(--space-3); }
.lightbox__next { right: var(--space-3); }
.lightbox__bottom { padding: var(--space-4); display: grid; gap: var(--space-3); justify-items: center; text-align: center; }
.lightbox__caption { margin: 0; font-size: var(--fs-small); max-width: none; }
.lightbox__caption strong { display: block; font-size: var(--fs-body); }
.lightbox__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; justify-content: center; }
.lightbox__share { display: flex; gap: var(--space-2); }
.lightbox__toast { font-size: var(--fs-small); color: var(--color-on-dark-muted); min-height: 1.6em; margin: 0; }
.lightbox .demo-tag { position: static; }

/* ---------- 7.8 Testimonial carousel ---------- */
.carousel { position: relative; }
.carousel__track { display: flex; gap: var(--grid-gap); overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; list-style: none; padding: 0; margin: 0; }
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__slide { flex: 0 0 100%; scroll-snap-align: start; }
@media (min-width: 640px) { .carousel__slide { flex-basis: calc((100% - var(--grid-gap)) / 2); } }
@media (min-width: 1025px) { .carousel__slide { flex-basis: calc((100% - 2 * var(--grid-gap)) / 3); } }
.carousel__controls { display: flex; justify-content: center; align-items: center; gap: var(--space-4); margin-top: var(--space-5); }
.carousel__controls .dots { margin: 0; }
.round-btn {
  width: var(--tap); height: var(--tap); border-radius: var(--radius-round); border: 1px solid var(--color-ink); background: transparent;
  color: var(--color-ink); display: grid; place-items: center; cursor: pointer; transition: background-color var(--t-fast), color var(--t-fast);
}
.round-btn:hover { background: var(--color-ink); color: var(--color-on-dark); }

/* ---------- 7.9 Process timeline ---------- */
.timeline { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-5); position: relative; counter-reset: step; }
.timeline li { display: grid; grid-template-columns: 48px 1fr; gap: var(--space-4); position: relative; }
.timeline li::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--font-serif); font-size: var(--fs-h3); font-weight: 600; color: var(--color-accent);
  background: var(--color-bg); width: 48px; height: 48px; border: 1px solid var(--color-line); border-radius: var(--radius-round);
  display: grid; place-items: center; position: relative; z-index: 1;
}
.section--sand .timeline li::before { background: var(--color-sand); }
.section--surface .timeline li::before { background: var(--color-surface); }
.timeline li:not(:last-child)::after { content: ""; position: absolute; left: 24px; top: 48px; bottom: calc(-1 * var(--space-5)); width: 1px; background: var(--color-line); }
.timeline h3 { font-size: var(--fs-h4); font-family: var(--font-sans); line-height: var(--lh-h4); margin: var(--space-3) 0 var(--space-1); }
.timeline p { margin: 0; color: var(--color-ink-muted); font-size: var(--fs-small); line-height: var(--lh-small); }
@media (min-width: 1025px) {
  .timeline--horizontal { grid-auto-flow: column; grid-auto-columns: 1fr; gap: var(--space-4); }
  .timeline--horizontal li { grid-template-columns: 1fr; justify-items: center; text-align: center; gap: var(--space-2); }
  .timeline--horizontal li:not(:last-child)::after { left: calc(50% + 24px); right: calc(-50% + 24px - var(--space-4)); top: 24px; bottom: auto; width: auto; height: 1px; }
}
.process-full { display: grid; gap: var(--space-7); align-items: start; }
@media (min-width: 1025px) { .process-full { grid-template-columns: 1.3fr 1fr; } .process-full .frame { position: sticky; top: calc(var(--header-h) + var(--space-6)); } }
.timeline-thumb { margin-top: var(--space-3); max-width: 160px; }

/* ---------- 7.10 Accordion ---------- */
.accordion { border-top: 1px solid var(--color-line); }
.accordion__item { border-bottom: 1px solid var(--color-line); }
.accordion__item h3 { margin: 0; font: inherit; }
.accordion__btn {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); text-align: left;
  padding: var(--space-5) 0; min-height: var(--tap); background: none; border: 0; cursor: pointer; color: var(--color-ink);
  font: 500 var(--fs-body)/1.5 var(--font-sans);
}
.accordion__btn:hover { color: var(--color-accent-strong); }
.accordion__sign { position: relative; width: 16px; height: 16px; flex: none; }
.accordion__sign::before, .accordion__sign::after { content: ""; position: absolute; background: currentColor; left: 0; right: 0; top: 50%; height: 1.5px; transition: transform var(--t-fast); }
.accordion__sign::after { transform: rotate(90deg); }
.accordion__btn[aria-expanded="true"] .accordion__sign::after { transform: rotate(0); }
.accordion__panel { padding: 0 0 var(--space-5); color: var(--color-ink-muted); }
.accordion__panel[hidden] { display: none; }
.accordion__panel p { margin: 0; }

/* ---------- 7.11 CTA band ---------- */
.cta-band { background: var(--color-dark); color: var(--color-on-dark); padding-block: var(--space-8); text-align: center; }
@media (min-width: 1025px) { .cta-band { padding-block: var(--space-9); } }
.cta-band h2 { color: var(--color-on-dark); }
.cta-band p { color: var(--color-on-dark-muted); margin-inline: auto; }
.cta-band .stack-row { justify-content: center; margin-top: var(--space-6); }

/* ---------- 7.12 Form fields ---------- */
.form { display: grid; gap: var(--space-5); }
.field label { display: block; font: 500 var(--fs-label) var(--font-sans); margin-bottom: var(--space-2); }
.field .req { color: var(--color-error); }
.field input, .field select, .field textarea {
  width: 100%; min-height: var(--btn-h); padding: var(--space-3) var(--space-4); font: 400 var(--fs-body) var(--font-sans); color: var(--color-ink);
  background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-sm); transition: border-color var(--t-fast);
}
.field textarea { resize: vertical; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { border-color: var(--color-accent-strong); }
.field.has-error input, .field.has-error select { border-color: var(--color-error); }
.field__error { color: var(--color-error); font-size: var(--fs-small); margin: var(--space-1) 0 0; }

/* ---------- 7.14 Instagram strip ---------- */
.insta-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-2); list-style: none; padding: 0; margin: 0 0 var(--space-5); }
@media (min-width: 1025px) { .insta-grid { grid-template-columns: repeat(6, 1fr); } }
.insta-grid a { display: block; aspect-ratio: 1; overflow: hidden; border-radius: var(--radius-md); position: relative; background: var(--color-sand); }
.insta-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-zoom) var(--ease-out); }
.insta-grid a:hover img { transform: scale(1.04); }

/* ---------- 7.15 Before/after (component only; used when a before-and-after pair exists) ---------- */

/* ---------- Page-specific layout helpers ---------- */
.about-preview .ticks { margin: var(--space-5) 0; }
.service-row + .service-row { margin-top: var(--space-9); }
.service-row__num { font-family: var(--font-serif); color: var(--color-accent); font-size: var(--fs-h2); font-weight: 600; letter-spacing: 0; text-transform: none; }
.related-card { display: flex; align-items: center; gap: var(--space-4); padding: var(--space-5); text-decoration: none; color: var(--color-ink); transition: border-color var(--t-fast), box-shadow var(--t-fast); }
.related-card:hover { border-color: var(--color-accent); box-shadow: var(--shadow-md); color: var(--color-ink); }
.related-card .icon { color: var(--color-accent); }
.related-card span { flex: 1; font-family: var(--font-serif); font-size: var(--fs-h3); font-weight: 600; }
.pull-quote { font-family: var(--font-serif); font-style: italic; font-size: var(--fs-h2); line-height: var(--lh-h2); max-width: 30ch; margin: 0 auto var(--space-6); position: relative; }
.pull-quote::before { content: "\201C"; display: block; color: var(--color-accent); font-size: calc(var(--fs-h2) * 2); line-height: 0.6; margin-bottom: var(--space-3); }
.todo-note { border: 1px dashed var(--color-accent); border-radius: var(--radius-md); padding: var(--space-5); color: var(--color-ink-muted); background: var(--color-surface); font-size: var(--fs-small); }
.contact-list { list-style: none; padding: 0; margin: 0 0 var(--space-6); display: grid; gap: var(--space-5); }
.contact-list li { display: grid; grid-template-columns: 24px 1fr; gap: var(--space-4); }
.contact-list .icon { color: var(--color-accent); margin-top: 4px; }
.contact-list strong { display: block; font-size: var(--fs-small); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-ink-muted); font-weight: 500; }
.contact-list a { color: var(--color-ink); }
.form-card { padding: var(--space-6); }
.collapse { overflow: hidden; transition: height var(--t-reveal) var(--ease-out); }
.map-embed { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-line); }
.map-embed iframe { display: block; width: 100%; height: 300px; border: 0; }
@media (min-width: 640px) { .map-embed iframe { height: 400px; } }
.jump-links { position: sticky; top: var(--header-h-scrolled); z-index: 10; background: var(--color-bg); border-bottom: 1px solid var(--color-line); padding-block: var(--space-3); }
.jump-links .chips { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
@media (min-width: 1025px) { .jump-links .chips { flex-wrap: wrap; justify-content: center; } }
@media (max-width: 1024px) { .jump-links { position: static; } }
.faq-group + .faq-group { margin-top: var(--space-8); }
.faq-layout { max-width: 860px; margin-inline: auto; }
.prose { max-width: var(--measure); }
.prose h2 { margin-top: var(--space-7); font-size: var(--fs-h3); }
.prose ul { padding-left: var(--space-5); margin-bottom: var(--space-4); }
.prose li { margin-bottom: var(--space-2); }
.toc { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: var(--space-5) var(--space-6); }
.toc ol { margin: 0; padding-left: var(--space-5); columns: 2 220px; }
.error-block { min-height: 60vh; display: grid; place-items: center; text-align: center; padding-block: var(--space-9); }
.error-block__code { font-family: var(--font-serif); font-size: calc(var(--fs-display) * 2); line-height: 1; color: var(--color-accent); font-weight: 600; display: block; }
.error-block .roofline { margin: 0 auto var(--space-4); width: 96px; height: 24px; }
.error-block p { margin-inline: auto; }
.error-block .stack-row { justify-content: center; margin-block: var(--space-6); }
.inline-links { display: flex; gap: var(--space-5); justify-content: center; list-style: none; padding: 0; margin: 0; }

/* Landing page */
.landing-header .header-inner { justify-content: space-between; }
.landing-footer { background: var(--color-dark); color: var(--color-on-dark-muted); padding: var(--space-5) 0 calc(var(--space-5) + 72px); font-size: var(--fs-small); text-align: center; }
.landing-footer a { color: var(--color-on-dark); }
@media (min-width: 1025px) { .landing-footer { padding-bottom: var(--space-5); } }
.wa-float--desktop { display: none; }
@media (min-width: 1025px) { .wa-float--desktop { display: grid; } }
.sticky-bar { position: fixed; inset: auto 0 0 0; z-index: 45; padding: var(--space-3) var(--space-4); background: var(--color-surface); box-shadow: var(--shadow-md); border-top: 1px solid var(--color-line); }
@media (min-width: 1025px) { .sticky-bar { display: none; } }
.hero .ticks { margin-top: var(--space-6); display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-5); justify-content: center; }
.hero .ticks .icon { color: var(--color-on-dark); }
@media (min-width: 1025px) { .hero .ticks { justify-content: flex-start; } }
.steps-3 { counter-reset: step; }

/* ---------- 6 Motion ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity var(--t-reveal) var(--ease-out), transform var(--t-reveal) var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

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

/* Fixes after visual review */
.site-footer .social-row { display: flex; }
.center .roofline { margin-inline: auto; }

/* ---------- Mobile polish (below 640px) ---------- */
/* Swipeable card rows: grids that become a horizontal scroll-snap row on phones, next card peeking in. */
@media (max-width: 639px) {
  .swipe {
    display: flex; gap: var(--space-4); overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
    margin-inline: calc(-1 * var(--gutter)); padding: var(--space-1) var(--gutter) var(--space-3);
    scroll-padding-inline: var(--gutter); overscroll-behavior-x: contain;
  }
  .swipe::-webkit-scrollbar { display: none; }
  .swipe > * { flex: 0 0 84%; scroll-snap-align: start; }
  .swipe--narrow > * { flex-basis: 72%; }
  .swipe .reveal { opacity: 1; transform: none; }
  .swipe .service-card, .swipe .value-card, .swipe .testimonial-card { height: 100%; }

  /* Hero: full-width buttons, calmer eyebrow */
  .hero .eyebrow { letter-spacing: 0.12em; font-size: 0.75rem; }
  .hero .stack-row { flex-direction: column; align-items: stretch; gap: var(--space-3); }
  .hero .stack-row .btn { width: 100%; }
  .hero p { font-size: var(--fs-body); }

  /* CTA band and centred button rows */
  .cta-band .stack-row { flex-direction: column; align-items: stretch; }
  .cta-band .btn { width: 100%; }

  /* Cards: less padding on small screens */
  .service-card, .service-card--photo .service-card__body, .testimonial-card, .form-card { padding: var(--space-5); }
  .service-card__img { margin: calc(-1 * var(--space-5)) calc(-1 * var(--space-5)) var(--space-3); }
  .service-card--photo { padding: 0; }
  .value-card { padding: var(--space-5); }
  .testimonial-card blockquote { font-size: 1.1875rem; }
  .section-heading { margin-bottom: var(--space-6); }

  /* Large portrait images become 4:3 so they don't fill the whole screen */
  .split .ratio-4x5 { aspect-ratio: 4 / 3; }
  .split { gap: var(--space-6); }

  /* Chip rows scroll sideways in one line */
  .chips--scroll { flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; scrollbar-width: none;
    margin-inline: calc(-1 * var(--gutter)); padding-inline: var(--gutter); }
  .chips--scroll::-webkit-scrollbar { display: none; }
  .chips--scroll .chip { flex: none; white-space: nowrap; }

  /* Footer: link columns side by side */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6) var(--space-5); }
  .footer-brand, .footer-grid > :last-child { grid-column: 1 / -1; }
  .social-row { margin-left: calc(-1 * var(--space-2)); }
  .footer-bottom .container { flex-direction: column; }

  /* Page banner and stats */
  .page-banner { min-height: 220px; padding-block: var(--space-6); }
  .page-banner__corner { width: 80px; height: 20px; top: var(--space-4); }
  .stats__label { letter-spacing: 0.04em; }
}
.swipe-dots { display: none; }
@media (max-width: 639px) { .swipe-dots { display: flex; } }
.chips-row { margin-top: var(--space-7); }