/* =============================================================
   Meridian Custom Homes — "Monograph drafted like a working drawing"
   Hand-authored CSS + design tokens. No build step, no Tailwind.
   Thesis: large quiet photographic plates of finished houses,
   organized by an architect's marks — dimension ticks, title
   blocks, self-drawing datum lines, running sheet numbers.
   ============================================================= */

/* ---- Tokens ---------------------------------------------------- */
:root {
  /* Palette — limestone / ink / pine */
  --paper:       #e7e0d0;   /* limestone plaster stock */
  --paper-2:     #ded6c3;   /* inset cards */
  --paper-3:     #d6ccb6;   /* deeper fills */
  --ink:         #1a1813;
  --ink-soft:    #4a4639;
  --ink-mute:    #565041;   /* AA-contrast on limestone for label text */
  --pine:        #3f5a4e;   /* single accent */
  --pine-deep:   #2e443a;
  --line:        rgba(26, 24, 19, 0.20);   /* datum / hairlines */
  --line-soft:   rgba(26, 24, 19, 0.11);
  --line-strong: rgba(26, 24, 19, 0.42);

  /* Type */
  --font-display: "Newsreader", Georgia, "Times New Roman", serif;
  --font-body:    "Hanken Grotesk", system-ui, -apple-system, sans-serif;
  --font-mono:    "Spline Sans Mono", ui-monospace, "SFMono-Regular", monospace;

  --fs-hero:  clamp(2.4rem, 1rem + 5.2vw, 5.25rem);
  --fs-h2:    clamp(2.1rem, 1.3rem + 3vw, 3.9rem);
  --fs-h3:    clamp(1.35rem, 1.05rem + 1.1vw, 1.9rem);
  --fs-lede:  clamp(1.15rem, 1.02rem + 0.5vw, 1.4rem);
  --fs-body:  1.0625rem;
  --fs-small: 0.8125rem;
  --fs-mark:  0.6875rem;       /* mono drafting labels */

  /* Rhythm */
  --bound: 75rem;             /* content boundary */
  --gutter: clamp(1.25rem, 0.6rem + 2.6vw, 3rem);
  --frame: 12px;              /* drafting frame inset */

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---- Reset / base --------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: clip; }
body { overflow-x: clip; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* Paper grain — faint fibrous noise over the limestone */
  background-image:
    radial-gradient(circle at 18% 12%, rgba(255,255,255,0.35), transparent 38%),
    radial-gradient(circle at 82% 78%, rgba(120,108,82,0.10), transparent 46%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
  background-attachment: fixed, fixed, fixed;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 500; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: var(--pine); color: var(--paper); }

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

/* ---- Drafting frame (the persistent title-sheet border) ------- */
.frame {
  position: fixed;
  inset: var(--frame);
  border: 1px solid var(--line);
  pointer-events: none;
  z-index: 60;
}
.frame::before, .frame::after {
  /* corner ticks — top-left + bottom-right L marks */
  content: "";
  position: absolute;
  width: 13px; height: 13px;
  border-color: var(--line-strong);
  border-style: solid;
}
.frame::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.frame::after  { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }
@media (max-width: 640px) { :root { --frame: 7px; } }

/* Running sheet number, pinned to the right margin */
.sheet-marker {
  position: fixed;
  right: calc(var(--frame) + 9px);
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: var(--fs-mark);
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--ink-mute);
  z-index: 61;
  pointer-events: none;
  transition: opacity 0.4s var(--ease);
}
@media (max-width: 900px) { .sheet-marker { display: none; } }

/* ---- Layout helpers ------------------------------------------- */
.shell { width: 100%; max-width: var(--bound); margin-inline: auto; padding-inline: var(--gutter); }
.section { position: relative; padding-block: clamp(4.5rem, 3rem + 7vw, 9rem); }
.section--rule { border-top: 1px solid var(--line); }

/* Mono drafting labels */
.mark {
  font-family: var(--font-mono);
  font-size: var(--fs-mark);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.mark--pine { color: var(--pine); }

/* Dimension-line divider (draws itself when in view) ------------ */
.dim {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  width: 100%;
}
.dim .mark { white-space: nowrap; flex: none; }
.dim-line {
  flex: 1 1 auto;
  height: 9px;
  overflow: visible;
}
.dim-line line, .dim-line path { stroke: var(--line-strong); stroke-width: 1; }
/* the drawable rule — dash array/offset are set inline by JS; the
   stylesheet only owns the transition so inline + CSS never conflict */
.js .dim-line .rule { transition: stroke-dashoffset 1.1s var(--ease); }

/* ---- Header / nav --------------------------------------------- */
.titlebar {
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-mark);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.titlebar .shell { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 0.6rem; }
.titlebar a:hover { color: var(--pine); }
.titlebar .stamp { display: none; }
@media (min-width: 700px) { .titlebar .stamp { display: inline; } }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(7px);
  border-bottom: 1px solid var(--line);
}
.site-header .shell { display: flex; align-items: center; justify-content: space-between; height: 4.6rem; gap: 1.5rem; }
.wordmark { display: flex; align-items: baseline; gap: 0.55rem; }
.wordmark b { font-family: var(--font-display); font-weight: 500; font-size: 1.5rem; letter-spacing: -0.01em; line-height: 1; }
.wordmark span { font-family: var(--font-mono); font-size: var(--fs-mark); letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-mute); }
.nav { display: none; align-items: center; gap: 2rem; }
@media (min-width: 880px) { .nav { display: flex; } }
.nav a { font-size: 0.94rem; color: var(--ink-soft); position: relative; padding-block: 0.2rem; transition: color 0.25s var(--ease); }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 1px; width: 100%;
  background: var(--pine); transform: scaleX(0); transform-origin: left; transition: transform 0.3s var(--ease);
}
.nav a:hover { color: var(--ink); } .nav a:hover::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--ink); } .nav a[aria-current="page"]::after { transform: scaleX(1); }

.menu-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.5rem; height: 2.5rem; border: 1px solid var(--line-strong); background: none; color: var(--ink); cursor: pointer;
}
@media (min-width: 880px) { .menu-btn { display: none; } }
.mobile-nav { display: none; border-top: 1px solid var(--line); background: var(--paper-2); }
.mobile-nav.open { display: block; }
.mobile-nav .shell { display: flex; flex-direction: column; gap: 0.2rem; padding-block: 1rem; }
.mobile-nav a { padding-block: 0.6rem; border-bottom: 1px solid var(--line-soft); color: var(--ink-soft); font-size: 1rem; }

/* ---- Buttons -------------------------------------------------- */
.btn {
  --bg: var(--pine); --fg: var(--paper);
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 0.85rem 1.5rem; background: var(--bg); color: var(--fg);
  border: 1px solid var(--bg); position: relative; overflow: hidden; cursor: pointer;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.btn::before {
  content: ""; position: absolute; inset: 0; background: var(--ink);
  transform: translateY(101%); transition: transform 0.4s var(--ease); z-index: 0;
}
.btn:hover::before { transform: translateY(0); }
.btn > * , .btn { position: relative; }
.btn span { position: relative; z-index: 1; }
.btn:hover { color: var(--paper); border-color: var(--ink); }
.btn .arrow { position: relative; z-index: 1; transition: transform 0.35s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

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

/* ---- Plates (photographic) ------------------------------------ */
.plate { position: relative; overflow: hidden; background: var(--paper-3); }
.plate img { width: 100%; height: 100%; object-fit: cover; }
.js .plate img { transform: scale(1.06); transition: transform 1.4s var(--ease), clip-path 1.2s var(--ease); clip-path: inset(0 100% 0 0); }
.js .in-view .plate img { transform: scale(1); clip-path: inset(0 0 0 0); }
.plate .caption {
  position: absolute; left: 0; bottom: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.7rem 0.9rem;
  background: linear-gradient(to top, rgba(26,24,19,0.78), transparent);
  color: var(--paper); font-family: var(--font-mono); font-size: var(--fs-mark);
  letter-spacing: 0.18em; text-transform: uppercase;
}
.plate .corner {
  position: absolute; top: 0.7rem; left: 0.7rem;
  font-family: var(--font-mono); font-size: var(--fs-mark); letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--paper); background: var(--pine); padding: 0.3rem 0.6rem;
}

/* ---- Hero ----------------------------------------------------- */
.hero { position: relative; padding-top: clamp(2.5rem, 1rem + 5vw, 5rem); }
.hero-grid { display: grid; gap: clamp(1.5rem, 1rem + 3vw, 3.5rem); }
@media (min-width: 940px) { .hero-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); align-items: end; } }

.hero h1 { font-size: var(--fs-hero); line-height: 0.96; letter-spacing: -0.02em; font-weight: 500; overflow-wrap: break-word; }
.hero h1 .em { font-style: italic; color: var(--pine); }
.hero .lede { font-size: var(--fs-lede); color: var(--ink-soft); max-width: 34ch; margin-top: 1.6rem; line-height: 1.6; }
.hero .actions { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.9rem; }
.hero-plate { aspect-ratio: 4 / 5; }
@media (min-width: 940px) { .hero-plate { aspect-ratio: 3 / 4; } }

/* a title-block panel — the architect's stamp */
.titleblock {
  border: 1px solid var(--line-strong);
  background: var(--paper-2);
  font-family: var(--font-mono); font-size: var(--fs-mark);
}
.titleblock .row { display: grid; grid-template-columns: auto 1fr; }
.titleblock .row > * { padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--line); }
.titleblock .row:last-child > * { border-bottom: 0; }
.titleblock dt { letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-mute); border-right: 1px solid var(--line); }
.titleblock dd { margin: 0; color: var(--ink); letter-spacing: 0.05em; }
.titleblock dd b { font-family: var(--font-display); font-weight: 500; font-size: 1.05rem; letter-spacing: 0; }

/* word-stagger for hero headline */
.reveal-line { display: block; overflow: hidden; }
.js .reveal-line > span { display: block; transform: translateY(110%); transition: transform 0.9s var(--ease); }
.js.loaded .reveal-line > span, .loaded .reveal-line > span { transform: translateY(0); }
.loaded .reveal-line:nth-child(2) > span { transition-delay: 0.08s; }
.loaded .reveal-line:nth-child(3) > span { transition-delay: 0.16s; }

/* ---- Section heading block ------------------------------------ */
.head { display: grid; gap: 1.5rem; margin-bottom: clamp(2rem, 1rem + 3vw, 3.5rem); }
.head h2 { font-size: var(--fs-h2); line-height: 1.02; letter-spacing: -0.015em; max-width: 16ch; }
.head h2 .em { font-style: italic; color: var(--pine); }
.head p { color: var(--ink-soft); max-width: 46ch; }

/* ---- The Work (service plates) -------------------------------- */
.work { display: grid; gap: clamp(1.5rem, 1rem + 2vw, 2.5rem); }
@media (min-width: 760px) { .work { grid-template-columns: repeat(3, 1fr); } }
.entry { display: flex; flex-direction: column; gap: 1rem; padding-top: 1.1rem; border-top: 1px solid var(--line-strong); }
.entry .no { font-family: var(--font-display); font-style: italic; font-size: 2.2rem; color: var(--pine); line-height: 1; }
.entry h3 { font-size: var(--fs-h3); letter-spacing: -0.01em; }
.entry p { color: var(--ink-soft); font-size: 0.98rem; }
.entry .more { font-family: var(--font-mono); font-size: var(--fs-mark); letter-spacing: 0.18em; text-transform: uppercase; color: var(--pine); margin-top: auto; }
.entry .more .arrow { display: inline-block; transition: transform 0.3s var(--ease); }
.entry:hover .more .arrow { transform: translateX(4px); }

/* ---- Process (datum sequence) --------------------------------- */
.process { display: grid; gap: 0; }
@media (min-width: 820px) { .process { grid-template-columns: repeat(4, 1fr); } }
.phase { padding: 1.4rem 1.4rem 1.8rem; border-top: 1px solid var(--line-strong); position: relative; }
@media (min-width: 820px) { .phase + .phase { border-left: 1px solid var(--line); } }
.phase .ph-no { font-family: var(--font-mono); font-size: var(--fs-mark); letter-spacing: 0.2em; color: var(--pine); }
.phase h3 { font-size: 1.25rem; margin-top: 0.7rem; }
.phase p { color: var(--ink-soft); font-size: 0.93rem; margin-top: 0.5rem; }
/* a datum dot at the top of each phase */
.phase::before { content: ""; position: absolute; top: -4px; left: 1.4rem; width: 7px; height: 7px; background: var(--pine); border-radius: 50%; }

/* ---- Feature project ------------------------------------------ */
.feature { display: grid; gap: clamp(1.5rem, 1rem + 3vw, 3rem); align-items: center; }
@media (min-width: 900px) { .feature { grid-template-columns: minmax(0,1.2fr) minmax(0,0.8fr); } }
.feature-plate { aspect-ratio: 16 / 11; }
.spec { border-top: 1px solid var(--line-strong); }
.spec .row { display: grid; grid-template-columns: 1fr 1.3fr; gap: 1rem; padding-block: 0.85rem; border-bottom: 1px solid var(--line); }
.spec dt { font-family: var(--font-mono); font-size: var(--fs-mark); letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute); }
.spec dd { margin: 0; font-family: var(--font-display); font-size: 1.15rem; }

/* ---- Guide / about -------------------------------------------- */
.guide { display: grid; gap: clamp(1.5rem, 1rem + 3vw, 3rem); }
@media (min-width: 900px) { .guide { grid-template-columns: minmax(0,0.85fr) minmax(0,1.15fr); } }
.guide .lede { font-family: var(--font-display); font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.1rem); line-height: 1.35; }
.guide .lede .em { font-style: italic; color: var(--pine); }
.guide p + p { margin-top: 1.1rem; }
.stats { display: flex; flex-wrap: wrap; gap: 2.5rem; margin-top: 2rem; }
.stat b { display: block; font-family: var(--font-display); font-size: 2.6rem; line-height: 1; }
.stat span { font-family: var(--font-mono); font-size: var(--fs-mark); letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute); }

/* ---- Reviews -------------------------------------------------- */
.quote { max-width: 40ch; }
.quote blockquote { font-family: var(--font-display); font-size: clamp(1.6rem, 1.2rem + 1.8vw, 2.4rem); line-height: 1.3; letter-spacing: -0.01em; }
.quote .by { margin-top: 1.4rem; }

/* ---- Contact -------------------------------------------------- */
.contact { display: grid; gap: clamp(1.5rem, 1rem + 3vw, 3rem); }
@media (min-width: 900px) { .contact { grid-template-columns: minmax(0,1fr) minmax(0,1fr); } }
.field { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.1rem; }
.field label { font-family: var(--font-mono); font-size: var(--fs-mark); letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute); }
.field input, .field textarea {
  font-family: var(--font-body); font-size: 1rem; color: var(--ink);
  background: var(--paper-2); border: 1px solid var(--line-strong); padding: 0.75rem 0.85rem;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--pine); background: color-mix(in srgb, var(--paper-2) 70%, var(--paper)); }
.contact .info dl .row { display: grid; grid-template-columns: auto 1fr; gap: 1rem; padding-block: 0.85rem; border-bottom: 1px solid var(--line); }
.contact .info dt { font-family: var(--font-mono); font-size: var(--fs-mark); letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute); }
.contact .info dd { margin: 0; }
.contact .info .big { font-family: var(--font-display); font-size: 1.6rem; }
.map { border: 1px solid var(--line-strong); aspect-ratio: 3 / 2; }
.map iframe { width: 100%; height: 100%; border: 0; display: block; filter: grayscale(0.35) sepia(0.12); }

/* ---- Footer --------------------------------------------------- */
.site-footer { background: var(--ink); color: var(--paper); }
.site-footer a:hover { color: var(--pine); }
.site-footer .shell { padding-block: clamp(3rem, 2rem + 3vw, 4.5rem); }
.foot-grid { display: grid; gap: 2.5rem; }
@media (min-width: 760px) { .foot-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.site-footer .wordmark b { color: var(--paper); }
.site-footer .blurb { color: color-mix(in srgb, var(--paper) 72%, transparent); max-width: 34ch; margin-top: 1rem; font-size: 0.95rem; }
.foot-col .mark { color: color-mix(in srgb, var(--paper) 60%, transparent); margin-bottom: 1rem; }
.foot-col li { padding-block: 0.3rem; }
.foot-col a { color: color-mix(in srgb, var(--paper) 85%, transparent); }
.foot-bar { border-top: 1px solid rgba(231,224,208,0.16); }
.foot-bar .shell { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.6rem; padding-block: 1.1rem; }
.foot-bar .mark { color: color-mix(in srgb, var(--paper) 55%, transparent); }

/* ---- Reveal on scroll ----------------------------------------- */
.js .rise { opacity: 0; transform: translateY(20px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.js .in-view.rise, .js .in-view .rise { opacity: 1; transform: none; }
.js [data-stagger] > * { opacity: 0; transform: translateY(20px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.js [data-stagger].in-view > * { opacity: 1; transform: none; }
[data-stagger].in-view > *:nth-child(2) { transition-delay: 0.08s; }
[data-stagger].in-view > *:nth-child(3) { transition-delay: 0.16s; }
[data-stagger].in-view > *:nth-child(4) { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  .reveal-line > span, .plate img, .rise, [data-stagger] > *, .dim-line .rule { transition: none !important; }
  .reveal-line > span { transform: none; }
  .plate img { clip-path: none; transform: none; }
  .rise, [data-stagger] > * { opacity: 1; transform: none; }
  .dim-line .rule { stroke-dashoffset: 0; }
}