/* =========================================================
   OPHIS — Design system
   Concept: a physical office building's directory board and
   blueprint sheets, rendered for the web. Numbered directory
   rows are literal (they mirror lobby signage), not decoration.
   ========================================================= */

:root{
  --paper:        #efede6;
  --paper-dim:    #e6e2d5;
  --panel:        #ffffff;
  --ink:          #16233b;
  --ink-soft:     #3e4a5c;
  --ink-faint:    #6b7686;
  --line:         #d6d0c0;
  --line-strong:  #b9b19a;
  --brass:        #a97a2c;
  --brass-dark:   #8a631f;
  --teal:         #2c6a58;
  --red:          #a53d26;
  --white:        #ffffff;

  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body:    "Inter", "Segoe UI", sans-serif;
  --font-mono:    "IBM Plex Mono", "SFMono-Regular", monospace;

  --radius-sm: 2px;
  --radius-md: 4px;

  --container: 1180px;
  --gutter: 24px;
}

*, *::before, *::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }

h1,h2,h3,h4{
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 600;
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.1rem, 4vw, 3.4rem); }
h2{ font-size: clamp(1.6rem, 2.6vw, 2.3rem); }
h3{ font-size: 1.25rem; }
p{ margin: 0 0 1em; color: var(--ink-soft); max-width: 62ch; }
a{ color: var(--brass-dark); text-decoration-thickness: 1px; }
a:hover{ color: var(--ink); }

ul{ padding-left: 1.2em; color: var(--ink-soft); }
li{ margin-bottom: 0.4em; }

code, .mono{ font-family: var(--font-mono); }

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

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.visually-hidden{
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85em 1.4em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ink);
  cursor: pointer;
  text-decoration: none;
  line-height: 1;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease, transform .1s ease;
}
.btn-primary{ background: var(--ink); color: var(--paper); }
.btn-primary:hover{ background: var(--brass-dark); border-color: var(--brass-dark); color: var(--white); }
.btn-secondary{ background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-secondary:hover{ border-color: var(--ink); background: var(--panel); color: var(--ink); }
.btn-ghost{ background: transparent; color: var(--paper); border-color: rgba(239,237,230,0.5); }
.btn-ghost:hover{ background: rgba(239,237,230,0.12); border-color: var(--paper); color: var(--paper); }
.btn:active{ transform: translateY(1px); }
.btn[disabled]{ opacity: 0.5; cursor: not-allowed; }
.btn-block{ width: 100%; justify-content: center; }
.btn-sm{ padding: 0.55em 1em; font-size: 0.85rem; }

/* ---------- Header / Nav ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s ease, background-color .2s ease;
}
.site-header.is-scrolled{
  box-shadow: 0 2px 0 rgba(22,35,59,0.06);
}
.nav-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.wordmark{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.wordmark span{
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--brass-dark);
  letter-spacing: 0.06em;
}
.nav-main{
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-main > li{ position: relative; margin: 0; list-style: none; }
.nav-link{
  display: block;
  padding: 0.85em 0.9em;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
}
.nav-link:hover, .nav-link[aria-current="page"]{ color: var(--ink); background: var(--paper-dim); }
.nav-list{ display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }

.has-dropdown{ display: flex; align-items: center; }
.dropdown{
  position: absolute;
  top: 70%;
  left: auto;
  min-width: 280px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(22,35,59,0.12);
  padding: 6px;
  list-style: none;
  margin: 6px 0 0;
  display: none;
  border-radius: var(--radius-sm);
}
.has-dropdown.is-open .dropdown,
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown{ display: block; }
.dropdown li{ margin: 0; }
.dropdown a{
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 10px 12px;
  color: var(--ink);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
}
.dropdown a:hover{ background: var(--paper-dim); }
.dropdown .suite{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--brass-dark);
  min-width: 2.4em;
}
.nav-cta{ margin-left: 10px; }

.nav-toggle{
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
}
.nav-toggle span{
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  margin: 4px 0;
}

@media (max-width: 900px){
  .nav-toggle{ display: block; }
  .nav-main{
    position: fixed;
    inset: 76px 0 0 0;
    background: var(--paper);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 40px;
    overflow-y: auto;
    display: none;
  }
  .nav-main.is-open{ display: flex; }
  .nav-list{ flex-direction: column; align-items: stretch; gap: 0; }
  .has-dropdown{ flex-direction: column; align-items: stretch; }
  .dropdown{ position: static; display: none; box-shadow: none; border: none; margin: 0 0 0 12px; padding: 0; }
  .has-dropdown.is-open .dropdown{ display: block; }
  .nav-cta{ margin: 16px 0 0; }
}

/* ---------- Hero / directory board ---------- */
.hero{
  position: relative;
  padding: 64px 0 72px;
  background-image:
    linear-gradient(var(--paper) 0, var(--paper) 100%),
    repeating-linear-gradient(0deg, rgba(22,35,59,0.05) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, rgba(22,35,59,0.05) 0 1px, transparent 1px 32px);
  border-bottom: 1px solid var(--line);
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}
.hero-tag{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--brass-dark);
  letter-spacing: 0.04em;
  margin: 0 0 14px;
}
.hero p.lede{ font-size: 1.15rem; max-width: 46ch; }
.hero-actions{ display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-trust{
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.directory-board{
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-md);
  padding: 6px;
}
.directory-board h2{
  color: var(--paper);
  font-size: 1rem;
  font-family: var(--font-mono);
  text-transform: none;
  letter-spacing: 0.03em;
  padding: 14px 14px 10px;
  margin: 0;
  border-bottom: 1px solid rgba(239,237,230,0.15);
}
.directory-list{ list-style: none; margin: 0; padding: 4px; }
.directory-list li{ margin: 0; }
.directory-list a{
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px;
  color: var(--paper);
  text-decoration: none;
  border-radius: var(--radius-sm);
  border-bottom: 1px solid rgba(239,237,230,0.08);
}
.directory-list li:last-child a{ border-bottom: none; }
.directory-list a:hover{ background: rgba(239,237,230,0.08); color: var(--paper); }
.directory-list .suite-no{ font-family: var(--font-mono); color: var(--brass); font-size: 0.85rem; }
.directory-list .suite-name{ font-weight: 600; }
.directory-list .suite-price{ font-family: var(--font-mono); font-size: 0.78rem; color: rgba(239,237,230,0.65); }

/* ---------- Section scaffolding ---------- */
.section{ padding: 72px 0; }
.section-tight{ padding: 48px 0; }
.section-alt{ background: var(--paper-dim); }
.section-dark{ background: var(--ink); color: var(--paper); }
.section-dark h2, .section-dark h3{ color: var(--paper); }
.section-dark p{ color: rgba(239,237,230,0.75); }
.section-head{ max-width: 60ch; margin-bottom: 40px; }
.section-head .kicker{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--brass-dark);
  margin: 0 0 10px;
}

/* ---------- Registration-mark panels (blueprint corner ticks) ---------- */
.plate{
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 28px;
  border-radius: var(--radius-sm);
}
.plate::before, .plate::after{
  content: "";
  position: absolute;
  width: 10px; height: 10px;
  border-top: 2px solid var(--brass);
  border-left: 2px solid var(--brass);
  top: -1px; left: -1px;
}
.plate::after{
  border-top: none; border-left: none;
  border-bottom: 2px solid var(--brass);
  border-right: 2px solid var(--brass);
  top: auto; left: auto; bottom: -1px; right: -1px;
}

.grid{ display: grid; gap: 24px; }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px){
  .grid-3, .grid-4{ grid-template-columns: repeat(2, 1fr); }
  .hero-grid{ grid-template-columns: 1fr; }
}
@media (max-width: 620px){
  .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; }
}

.card{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 24px;
}
.card h3{ margin-bottom: 8px; }
.card .price{
  font-family: var(--font-mono);
  font-size: 1.6rem;
  color: var(--ink);
  margin: 10px 0 4px;
}
.card .price small{ font-size: 0.9rem; color: var(--ink-faint); font-weight: 400; }
.card ul{ margin: 14px 0 0; padding-left: 1.1em; font-size: 0.92rem; }

.stat-row{ display: flex; flex-wrap: wrap; gap: 40px; }
.stat{ min-width: 120px; }
.stat .num{ font-family: var(--font-mono); font-size: 2rem; color: var(--brass); display: block; }
.stat .label{ font-size: 0.88rem; color: var(--ink-soft); }

/* ---------- Tables ---------- */
.table-wrap{ overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-sm); }
table{ width: 100%; border-collapse: collapse; background: var(--panel); font-size: 0.94rem; }
th, td{ text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th{ font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-soft); font-weight: 500; background: var(--paper-dim); }
tr:last-child td{ border-bottom: none; }
td.figure{ font-family: var(--font-mono); }

/* ---------- Steps / process ---------- */
.steps{ list-style: none; padding: 0; margin: 0; counter-reset: step; }
.steps li{
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.steps li:first-child{ border-top: none; }
.steps li::before{
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  color: var(--brass-dark);
  font-size: 1.1rem;
}

/* ---------- Accordion (FAQ) ---------- */
.accordion{ border-top: 1px solid var(--line); }
.accordion-item{ border-bottom: 1px solid var(--line); }
.accordion-trigger{
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 4px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.accordion-trigger .icon{
  flex: none;
  width: 20px; height: 20px;
  position: relative;
}
.accordion-trigger .icon::before, .accordion-trigger .icon::after{
  content: ""; position: absolute; background: var(--ink);
  top: 50%; left: 50%; transform: translate(-50%,-50%);
}
.accordion-trigger .icon::before{ width: 14px; height: 2px; }
.accordion-trigger .icon::after{ width: 2px; height: 14px; transition: transform .15s ease; }
.accordion-trigger[aria-expanded="true"] .icon::after{ transform: translate(-50%,-50%) scaleY(0); }
.accordion-panel{
  overflow: hidden;
  max-height: 0;
  transition: max-height .2s ease;
}
.accordion-panel .inner{ padding: 0 4px 18px; }
.accordion-panel p, .accordion-panel li{ font-size: 0.95rem; }

/* ---------- Filters / tags / badges ---------- */
.tag{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 8px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
}
.filter-bar{ display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.filter-chip{
  font-family: var(--font-body);
  font-size: 0.88rem;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  border-radius: 20px;
  cursor: pointer;
  color: var(--ink-soft);
}
.filter-chip[aria-pressed="true"]{ background: var(--ink); color: var(--paper); border-color: var(--ink); }
.search-input{
  width: 100%;
  max-width: 360px;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--panel);
  color: var(--ink);
}

.city-card{ display: none; }
.city-card.is-visible{ display: block; }
#no-results{ display: none; }
#no-results.is-visible{ display: block; }

/* ---------- Forms ---------- */
.form-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field{ display: flex; flex-direction: column; gap: 6px; }
.field.full{ grid-column: 1 / -1; }
.field label{ font-size: 0.88rem; font-weight: 600; color: var(--ink); }
.field .req{ color: var(--red); }
.field input, .field select, .field textarea{
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--panel);
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-color: var(--ink);
}
.field.has-error input, .field.has-error select, .field.has-error textarea{
  border-color: var(--red);
}
.error-msg{ font-size: 0.82rem; color: var(--red); min-height: 1em; display: none; }
.field.has-error .error-msg{ display: block; }
.form-success{
  display: none;
  padding: 22px;
  border: 1px solid var(--teal);
  background: rgba(44,106,88,0.08);
  border-radius: var(--radius-sm);
}
.form-success.is-visible{ display: block; }
.form-success h3{ color: var(--teal); }
@media (max-width: 700px){ .form-grid{ grid-template-columns: 1fr; } }

/* ---------- Calculator ---------- */
.calc{ display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.calc-result{
  background: var(--ink);
  color: var(--paper);
  padding: 28px;
  border-radius: var(--radius-md);
  position: sticky;
  top: 96px;
}
.calc-result .amount{
  font-family: var(--font-mono);
  font-size: 2.6rem;
  color: var(--brass);
  margin: 8px 0;
}
.calc-result .amount small{ font-size: 1rem; color: rgba(239,237,230,0.7); }
.calc-result .breakdown{ font-size: 0.85rem; color: rgba(239,237,230,0.75); border-top: 1px solid rgba(239,237,230,0.2); padding-top: 14px; margin-top: 14px; }
.calc-result .breakdown div{ display: flex; justify-content: space-between; padding: 3px 0; }
@media (max-width: 800px){ .calc{ grid-template-columns: 1fr; } .calc-result{ position: static; } }

/* ---------- Testimonial carousel ---------- */
.carousel{ position: relative; }
.carousel-track{ overflow: hidden; }
.carousel-slides{ display: flex; transition: transform .3s ease; }
.carousel-slide{ min-width: 100%; padding-right: 4px; }
.carousel-controls{ display: flex; justify-content: space-between; align-items: center; margin-top: 20px; }
.carousel-dots{ display: flex; gap: 8px; }
.carousel-dots button{
  width: 8px; height: 8px; border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: transparent; padding: 0; cursor: pointer;
}
.carousel-dots button[aria-current="true"]{ background: var(--brass); border-color: var(--brass); }
.carousel-nav-btn{
  border: 1px solid var(--line-strong);
  background: var(--panel);
  width: 40px; height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-family: var(--font-mono);
}
.quote-mark{ font-family: var(--font-display); font-size: 2.4rem; color: var(--brass); line-height: 1; margin-bottom: 6px; display: block; }

/* ---------- CTA banner ---------- */
.cta-banner{
  background: var(--ink);
  color: var(--paper);
  padding: 48px;
  border-radius: var(--radius-md);
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
}
.cta-banner h2{ color: var(--paper); margin: 0 0 6px; }
.cta-banner p{ color: rgba(239,237,230,0.75); margin: 0; }
.cta-actions{ display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer{ background: var(--ink); color: rgba(239,237,230,0.8); padding: 64px 0 24px; }
.footer-grid{ display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 32px; }
.footer-grid h4{ color: var(--paper); font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em; margin-bottom: 14px; }
.footer-grid ul{ list-style: none; padding: 0; margin: 0; }
.footer-grid a{ color: rgba(239,237,230,0.75); text-decoration: none; font-size: 0.92rem; }
.footer-grid a:hover{ color: var(--paper); }
.footer-grid li{ margin-bottom: 10px; }
.footer-bottom{
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid rgba(239,237,230,0.15);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(239,237,230,0.55);
}
.social-row{ display: flex; gap: 12px; margin-top: 16px; }
.social-row a{
  width: 34px; height: 34px;
  border: 1px solid rgba(239,237,230,0.25);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 0.75rem;
}
@media (max-width: 900px){
  .footer-grid{ grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Breadcrumb / page intro ---------- */
.page-intro{ padding: 40px 0 8px; }
.breadcrumb{ font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-faint); margin-bottom: 14px; }
.breadcrumb a{ color: var(--ink-faint); }

.two-col{ display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 900px){ .two-col{ grid-template-columns: 1fr; } }

.divider{ height: 1px; background: var(--line); border: none; margin: 0; }

.badge-list{ display: flex; flex-wrap: wrap; gap: 10px; }

/* 404 */
.error-page{ text-align: center; padding: 120px 0; }
.error-page .code{ font-family: var(--font-mono); font-size: 5rem; color: var(--brass); }