/* ==========================================================================
   Stonecroft Refurbishments — design tokens
   Concept: architectural drawing meets tactile material. Registration/crop
   marks frame every photograph like a drawing viewport; a mono "spec" face
   carries labels and reference numbers; the process steps (the one true
   sequence on the site) are numbered like drawing revisions.
   ========================================================================== */

:root {
  /* Colour */
  --ink: #21262B;              /* charcoal, primary text + dark sections */
  --ink-soft: #4A5158;
  --plaster: #F1EEE7;          /* warm off-white background */
  --plaster-deep: #E7E2D8;
  --verdigris: #3F6E62;        /* patinated copper accent — primary */
  --verdigris-deep: #2E5049;
  --brass: #A9825C;            /* warm metal accent — secondary/CTA */
  --brass-light: #C7A57C;
  --line: #CDC6B8;             /* hairline rule on light backgrounds */
  --line-dark: #3C444B;        /* hairline rule on dark backgrounds */
  --white: #FCFBF8;

  /* Type */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --radius: 2px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--plaster);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

:focus-visible {
  outline: 2px solid var(--verdigris);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ------------------------------ Typography ------------------------------ */

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; margin: 0; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); letter-spacing: -0.01em; }
h3 { font-size: 1.35rem; }
p { margin: 0 0 1em; color: var(--ink-soft); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--verdigris-deep);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--brass);
}

.section { padding: 96px 0; }
.section--tight { padding: 64px 0; }
.section--dark { background: var(--ink); color: var(--plaster); }
.section--dark p { color: #B9BEC2; }
.section--sunken { background: var(--plaster-deep); }

.section-head {
  max-width: 640px;
  margin: 0 0 48px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* --------------------------------- Buttons ------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn--primary { background: var(--verdigris); color: var(--white); }
.btn--primary:hover { background: var(--verdigris-deep); }

.btn--outline { border-color: var(--ink); color: var(--ink); }
.btn--outline:hover { background: var(--ink); color: var(--plaster); }

.btn--outline-light { border-color: rgba(241,238,231,0.5); color: var(--plaster); }
.btn--outline-light:hover { background: var(--plaster); color: var(--ink); }

.btn--brass { background: var(--brass); color: var(--ink); }
.btn--brass:hover { background: var(--brass-light); }

/* ------------------------------ Site header ------------------------------ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(241,238,231,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand span { color: var(--verdigris); }

.main-nav { display: flex; align-items: center; gap: 36px; }
.main-nav ul { display: flex; gap: 30px; }
.main-nav a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
  padding-bottom: 4px;
}
.main-nav a:hover, .main-nav a.active { color: var(--ink); }
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--brass);
}

.header-cta { display: flex; align-items: center; gap: 20px; }
.header-phone { font-family: var(--font-mono); font-size: 0.85rem; }
.header-phone strong { display: block; font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); font-weight: 500; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 28px; height: 20px;
  position: relative;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after {
  content: "";
  position: absolute; left: 0; right: 0; height: 2px; background: var(--ink);
}
.nav-toggle span { top: 9px; }
.nav-toggle::before { top: 0; }
.nav-toggle::after { bottom: 0; }

@media (max-width: 900px) {
  .header-phone { display: none; }
  .main-nav { position: fixed; top: 84px; left: 0; right: 0; bottom: 0; background: var(--plaster); flex-direction: column; align-items: flex-start; padding: 32px 28px; transform: translateX(100%); transition: transform 0.25s ease; overflow-y: auto; }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 22px; width: 100%; }
  .main-nav a { font-size: 1rem; }
  .nav-toggle { display: block; }
}

/* --------------------------------- Hero ---------------------------------- */

.hero {
  padding: 64px 0 96px;
  position: relative;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { margin-bottom: 22px; }
.hero .lede { font-size: 1.08rem; max-width: 46ch; }
.hero-actions { display: flex; gap: 16px; margin-top: 32px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 36px;
  margin-top: 52px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.hero-stats div { font-family: var(--font-mono); }
.hero-stats strong { display: block; font-family: var(--font-display); font-size: 2rem; color: var(--ink); }
.hero-stats span { font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); }

/* Registration-mark frame: the site's signature device around photography */
.frame {
  position: relative;
  padding: 14px;
}
.frame::before, .frame::after,
.frame .tick-tl, .frame .tick-br { content: ""; }
.frame {
  --tick: 22px;
}
.frame::before, .frame::after {
  position: absolute;
  width: var(--tick); height: var(--tick);
  border: 1px solid var(--brass);
}
.frame::before { top: 0; left: 0; border-right: none; border-bottom: none; }
.frame::after { bottom: 0; right: 0; border-left: none; border-top: none; }
.frame-inner { position: relative; overflow: hidden; }
.frame-inner::before, .frame-inner::after {
  content: "";
  position: absolute;
  width: 22px; height: 22px;
  border: 1px solid var(--brass);
  z-index: 2;
}
.frame-inner::before { top: 0; right: 0; border-left: none; border-bottom: none; }
.frame-inner::after { bottom: 0; left: 0; border-right: none; border-top: none; }
.frame img { width: 100%; height: 100%; object-fit: cover; }
.frame-tag {
  position: absolute;
  bottom: 14px; left: 14px;
  background: var(--ink);
  color: var(--plaster);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 10px;
  z-index: 3;
}

@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; row-gap: 20px; }
}

/* ------------------------------ Trust strip ------------------------------ */

.trust-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
.trust-strip .container {
  display: flex;
  gap: 40px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* -------------------------------- Services -------------------------------- */

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service-card {
  background: var(--plaster);
  padding: 34px 30px;
  transition: background 0.2s ease;
}
.service-card:hover { background: var(--white); }
.service-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--brass);
  margin-bottom: 18px;
  display: block;
}
.service-card h3 { margin-bottom: 10px; }
.service-card p { font-size: 0.94rem; margin-bottom: 16px; }
.service-card a { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--verdigris-deep); border-bottom: 1px solid var(--brass); padding-bottom: 2px; }

/* -------------------------------- Process --------------------------------- */

.process-list { display: flex; flex-direction: column; }
.process-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--line-dark);
}
.process-item:last-child { border-bottom: 1px solid var(--line-dark); }
.process-item .rev { font-family: var(--font-mono); color: var(--brass-light); font-size: 0.95rem; }
.process-item h3 { color: var(--plaster); margin-bottom: 6px; font-size: 1.15rem; }
.process-item p { max-width: 60ch; }

/* ------------------------------- Portfolio -------------------------------- */

.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.filter-bar a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 9px 16px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  border-radius: var(--radius);
}
.filter-bar a:hover { border-color: var(--ink); color: var(--ink); }
.filter-bar a.active { background: var(--ink); color: var(--plaster); border-color: var(--ink); }

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 40px;
}
.project-card { display: block; }
.project-card .frame-inner { aspect-ratio: 4 / 3; background: var(--plaster-deep); }
.project-card .frame-inner img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.project-card:hover .frame-inner img { transform: scale(1.04); }
.project-meta { padding-top: 16px; }
.project-cat { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--verdigris-deep); }
.project-card h3 { margin: 8px 0 4px; font-size: 1.15rem; }
.project-loc { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-soft); }

.empty-state {
  border: 1px dashed var(--line);
  padding: 60px 28px;
  text-align: center;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* ---------------------------- Project detail page -------------------------- */

.project-hero {
  padding: 40px 0 0;
}
.project-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.project-specs {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.project-specs div span { display: block; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.66rem; margin-bottom: 4px; }

.gallery-tabs { display: flex; gap: 8px; margin: 40px 0 24px; }
.gallery-tabs button {
  background: none; border: 1px solid var(--line); padding: 8px 16px;
  font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em;
  border-radius: var(--radius);
}
.gallery-tabs button.active { background: var(--ink); color: var(--plaster); border-color: var(--ink); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.gallery-grid figure { margin: 0; cursor: zoom-in; }
.gallery-grid img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.gallery-grid figcaption { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-soft); padding-top: 6px; }

.lightbox {
  position: fixed; inset: 0; background: rgba(33,38,43,0.95);
  display: none; align-items: center; justify-content: center; z-index: 200; padding: 40px;
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 100%; max-height: 88vh; }
.lightbox-close { position: absolute; top: 24px; right: 32px; color: var(--plaster); font-family: var(--font-mono); font-size: 0.9rem; background: none; border: 1px solid rgba(241,238,231,0.4); padding: 8px 14px; }

/* -------------------------------- Testimonials ----------------------------- */

.testi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 28px; }
.testi-card { border: 1px solid var(--line-dark); padding: 30px; }
.testi-card p { font-family: var(--font-display); font-size: 1.1rem; color: var(--plaster); line-height: 1.5; margin-bottom: 18px; }
.testi-name { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--brass-light); }

/* ---------------------------------- Forms ---------------------------------- */

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-grid .full { grid-column: 1 / -1; }
label { display: block; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 8px; }
input, select, textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  border-radius: var(--radius);
}
input:focus, select:focus, textarea:focus { border-color: var(--verdigris); }
textarea { resize: vertical; min-height: 120px; }

.form-note { font-family: var(--font-mono); font-size: 0.78rem; margin-top: 16px; }
.alert { padding: 16px 18px; border-radius: var(--radius); font-size: 0.92rem; margin-bottom: 24px; }
.alert--success { background: #E4EEE9; border: 1px solid var(--verdigris); color: var(--verdigris-deep); }
.alert--error { background: #F6E7E3; border: 1px solid #B5533B; color: #8A3A28; }

/* --------------------------------- Footer ---------------------------------- */

.site-footer { background: var(--ink); color: var(--plaster); padding: 72px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 56px; }
.footer-grid h4 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brass-light); margin-bottom: 18px; }
.footer-grid li { margin-bottom: 10px; font-size: 0.92rem; color: #C9CDD0; }
.footer-grid a:hover { color: var(--white); }
.footer-brand { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: 14px; }
.footer-bottom {
  border-top: 1px solid var(--line-dark);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #9AA0A4;
}

@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}

/* ------------------------------- Page banner -------------------------------- */

.page-banner { padding: 56px 0 20px; }
.page-banner .eyebrow { margin-bottom: 10px; }
.page-banner p.lede { max-width: 60ch; font-size: 1.05rem; }

/* -------------------------------- Utilities --------------------------------- */

.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }