:root {
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);

  --bg: #fbfbf9;
  --surface: #ffffff;
  --stone: #eeede8;
  --stone-deep: #e2e1da;
  --text: #1c1f1e;
  --muted: #5d635f;
  --line: #e0dfd8;
  --accent: #2c6a66;
  --accent-strong: #1f524f;
  --accent-soft: #e4efed;
  --on-accent: #f7fbfa;

  --radius: 4px;
  --radius-lg: 8px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141615;
    --surface: #1c1f1e;
    --stone: #232726;
    --stone-deep: #2b302e;
    --text: #eeeeea;
    --muted: #b3bab6;
    --line: #313634;
    --accent: #7cb9b3;
    --accent-strong: #a3d2cd;
    --accent-soft: #1f2a29;
    --on-accent: #10201e;
  }
}

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

body {
  margin: 0;
  padding-top: 30px;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.1rem);
  font-weight: 350;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 {
  margin: 0 0 .5em;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  overflow-wrap: break-word;
}
h1 { font-size: clamp(2.4rem, 1.5rem + 3.9vw, 4.6rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.75rem, 1.25rem + 2.1vw, 2.85rem); }
h3 { font-size: clamp(1.05rem, 1rem + 0.35vw, 1.25rem); line-height: 1.35; letter-spacing: -0.005em; }
p { margin: 0 0 1rem; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: var(--accent); text-underline-offset: 4px; }

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

.wrap { width: min(1240px, calc(100% - 2.5rem)); margin-inline: auto; }

.eyebrow {
  margin: 0 0 1.4rem;
  color: var(--muted);
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.lead { max-width: 34ch; color: var(--muted); font-size: clamp(1.05rem, 1rem + 0.5vw, 1.3rem); }

.gallery-back {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: block;
  padding: .4rem 1.1rem;
  background: #191d1c;
  color: #e7e6e1;
  font-size: 13px;
  letter-spacing: .04em;
  text-decoration: none;
  transition: color 160ms var(--ease-out), transform 160ms var(--ease-out);
}
.gallery-back:active { transform: scale(0.97); }

/* header */
.site-header {
  position: sticky;
  top: 30px;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 220ms var(--ease-out), background-color 220ms var(--ease-out);
}
.site-header.is-stuck { border-bottom-color: var(--line); }

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 92px;
}

.brand { display: flex; align-items: center; gap: .85rem; margin-right: auto; color: inherit; text-decoration: none; transition: transform 160ms var(--ease-out); }
.brand:active { transform: scale(0.97); }
.brand-mark {
  padding: .4rem .6rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .16em;
  line-height: 1;
}
.brand-name { font-size: 1.02rem; letter-spacing: -0.01em; }

.site-nav ul { display: flex; align-items: center; gap: 2.2rem; }
.site-nav a {
  position: relative;
  color: var(--muted);
  font-size: .93rem;
  text-decoration: none;
  transition: color 180ms var(--ease-out), transform 160ms var(--ease-out);
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms var(--ease-out);
}
.site-nav a:active { transform: scale(0.97); }
.nav-cta {
  padding: .55rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
}
.nav-cta::after { display: none; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: .6rem;
  padding: .5rem .95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: .9rem;
  cursor: pointer;
  transition: transform 160ms var(--ease-out), border-color 180ms var(--ease-out);
}
.nav-toggle:active { transform: scale(0.97); }
.nav-toggle-bars { display: grid; gap: 4px; width: 16px; }
.nav-toggle-bars i { height: 1px; background: currentColor; transition: transform 220ms var(--ease-in-out); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:first-child { transform: translateY(2.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:last-child { transform: translateY(-2.5px) rotate(-45deg); }

/* buttons */
.btn {
  display: inline-block;
  padding: .85rem 1.9rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: .95rem;
  text-decoration: none;
  transition: transform 160ms var(--ease-out), background-color 200ms var(--ease-out), color 200ms var(--ease-out), border-color 200ms var(--ease-out);
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-ghost { border-color: var(--line); color: var(--text); }
.btn-block { width: 100%; border: 0; font: inherit; font-size: .95rem; cursor: pointer; }

/* hero */
.hero { padding: clamp(3.5rem, 7vw, 7rem) 0 clamp(3rem, 6vw, 6rem); }
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.6rem; }
.hero-media { margin: 0; }

/* image placeholders */
.ph {
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 90% at 80% 8%, var(--accent-soft) 0%, transparent 62%),
    linear-gradient(160deg, var(--stone) 0%, var(--stone-deep) 100%);
}
.ph span {
  color: var(--muted);
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.ph-tall { aspect-ratio: 4 / 5; }
.ph-wide { aspect-ratio: 16 / 11; }

/* figures */
.figures { padding: clamp(2rem, 4vw, 3.5rem) 0; }
.figure-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  padding: clamp(2rem, 4vw, 3rem) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.figure { display: grid; gap: .1rem; }
.figure strong {
  font-size: clamp(1.4rem, 1.1rem + 1.1vw, 2.1rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.figure span { color: var(--muted); font-size: .85rem; letter-spacing: .04em; }

/* sections */
.section { padding: clamp(4rem, 9vw, 8.5rem) 0; }
.section-head { max-width: 46ch; margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}
.service {
  padding: clamp(2rem, 3.5vw, 3.2rem) clamp(1.2rem, 2vw, 2rem);
  background: var(--bg);
  transition: background-color 240ms var(--ease-out), transform 240ms var(--ease-out);
}
.service-no { display: block; margin-bottom: 2.2rem; color: var(--accent); font-size: .78rem; letter-spacing: .18em; }
.service p { margin: 0; color: var(--muted); font-size: .95rem; line-height: 1.6; }

/* signature band: offset image against a stone panel */
.band { position: relative; }
.band::before {
  content: "";
  position: absolute;
  inset: 0 0 0 auto;
  width: min(62%, 900px);
  background: var(--stone);
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}
.band-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
.band-media { margin: 0; }
.band-text { padding-block: clamp(1rem, 3vw, 2.5rem); }
.band-text p { max-width: 38ch; color: var(--muted); }
.band-list { display: grid; gap: .7rem; margin-top: 2rem; }
.band-list li { position: relative; padding-left: 1.6rem; font-size: .95rem; }
.band-list li::before {
  content: "";
  position: absolute;
  left: 0; top: .82em;
  width: .7rem;
  height: 1px;
  background: var(--accent);
}

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 3rem); }
.steps li { padding-top: 1.4rem; border-top: 1px solid var(--line); }
.steps span {
  display: block;
  margin-bottom: 1.2rem;
  color: var(--accent);
  font-size: .78rem;
  letter-spacing: .18em;
}
.steps p { margin: 0; color: var(--muted); font-size: .95rem; }

/* contact */
.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
.contact-list { margin: 2rem 0 0; display: grid; gap: 1.2rem; }
.contact-list div { display: grid; gap: .15rem; padding-bottom: 1.2rem; border-bottom: 1px solid var(--line); }
.contact-list dt { color: var(--muted); font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; }
.contact-list dd { margin: 0; }

.contact-form {
  padding: clamp(1.75rem, 3vw, 2.75rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.field { display: grid; gap: .45rem; margin: 0 0 1.3rem; }
.field label { color: var(--muted); font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; }
.field input,
.field textarea {
  padding: .8rem .9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: .98rem;
  transition: border-color 180ms var(--ease-out), background-color 180ms var(--ease-out);
}
.field textarea { resize: vertical; }
.field input:focus-visible,
.field textarea:focus-visible { border-color: var(--accent); }

.form-status {
  margin: 1rem 0 0;
  color: var(--accent-strong);
  font-size: .92rem;
  opacity: 0;
  transition: opacity 200ms var(--ease-out);
}
.form-status.is-visible { opacity: 1; }

/* footer */
.site-footer { padding: clamp(2.5rem, 5vw, 4rem) 0 clamp(2rem, 4vw, 3rem); border-top: 1px solid var(--line); }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2.5rem; }
.footer-brand { margin: 0; margin-right: auto; }
.footer-list { display: flex; flex-wrap: wrap; gap: 1.6rem; }
.footer-list a { color: var(--muted); font-size: .9rem; text-decoration: none; transition: color 180ms var(--ease-out); }
.footer-note { flex: 1 0 100%; margin: 0; color: var(--muted); font-size: .82rem; }

/* reveal */
.reveal {
  opacity: 0;
  transform: translateY(14px) scale(0.985);
  transition: opacity 240ms var(--ease-out), transform 240ms var(--ease-out);
}
.reveal.is-in { opacity: 1; transform: none; }

@media (hover: hover) and (pointer: fine) {
  .gallery-back:hover { color: #ffffff; }
  .site-nav a:hover { color: var(--text); }
  .site-nav a:hover::after { transform: scaleX(1); }
  .nav-cta:hover { border-color: var(--accent); color: var(--accent); }
  .nav-cta:hover::after { transform: scaleX(0); }
  .btn-primary:hover { background: var(--accent-strong); }
  .btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
  .nav-toggle:hover { border-color: var(--accent); }
  .service:hover { background: var(--surface); transform: translateY(-4px); }
  .footer-list a:hover { color: var(--accent); }
}

@media (max-width: 1000px) {
  .hero-inner, .band-inner, .contact-inner { grid-template-columns: minmax(0, 1fr); }
  .band::before { width: 100%; border-radius: 0; }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .figure-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 1.5rem; }
  .ph-tall { aspect-ratio: 16 / 11; }
}

@media (max-width: 720px) {
  .header-inner { position: relative; min-height: 76px; }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: absolute;
    left: 0; right: 0;
    top: 100%;
    padding: 0 1.25rem 1rem;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.98);
    transform-origin: top center;
    transition: opacity 200ms var(--ease-out), transform 220ms var(--ease-out), visibility 220ms;
  }
  .site-nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav li { border-top: 1px solid var(--line); }
  .site-nav ul > li > a { display: block; padding: .9rem 0; }
  .nav-cta { border: 0; border-radius: 0; padding: .9rem 0; color: var(--accent); }
  .service-grid, .steps, .figure-row { grid-template-columns: minmax(0, 1fr); }
  .figure-row { gap: 1.6rem; }
  .steps li { padding-top: 1.1rem; }
  .band::before { inset: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; }
  .reveal { transform: none; transition: opacity 150ms linear; }
  .btn, .brand, .nav-toggle, .service, .gallery-back { transition: opacity 150ms linear, background-color 150ms linear, color 150ms linear; }
  .btn:active, .brand:active, .nav-toggle:active, .gallery-back:active { transform: none; }
  .service:hover { transform: none; }
  .site-nav a::after { transition: none; }
  .site-nav { transform: none; transition: opacity 150ms linear, visibility 150ms; }
}