/* Foster 3D Tours */
:root {
  --bg: #FFFFFF;
  --bg-alt: #F3F5F8;
  --ink: #0E1726;
  --muted: #4E5B6E;
  --line: #DCE2EA;
  --blue: #2346D6;
  --blue-dark: #1A36A8;
  --blue-soft: #E8EDFC;
  --ok: #157F4B;
  --err: #B3261E;

  --font: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --wrap: 1180px;
  --gutter: 24px;
  --r-lg: 18px;
  --r-md: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.25rem, 4.6vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 750; }
h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0; }
a { color: var(--blue); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 6px; }

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

.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 50; }
.skip:focus { left: 12px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 50px; padding: 0 24px;
  border-radius: 10px; border: 1.5px solid transparent;
  font: inherit; font-weight: 650; font-size: 1rem; line-height: 1; text-decoration: none;
  cursor: pointer; white-space: nowrap;
  transition: background-color .15s, border-color .15s, color .15s, box-shadow .15s;
}
.btn-sm { min-height: 42px; padding: 0 18px; font-size: .95rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 1px 0 rgba(14,23,38,.08), 0 6px 16px -6px rgba(35,70,214,.55); }
.btn-primary:hover { background: var(--blue-dark); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { height: 72px; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 800; font-size: 1.1rem; letter-spacing: -0.01em; white-space: nowrap; }
.brand-mark { width: 28px; height: 28px; color: var(--blue); flex: none; }
.nav { display: flex; gap: 28px; margin-left: auto; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 550; font-size: .97rem; }
.nav a:hover { color: var(--ink); }
.header-actions { display: flex; align-items: center; gap: 18px; margin-left: 12px; }
.header-phone { color: var(--ink); text-decoration: none; font-weight: 650; font-size: .97rem; white-space: nowrap; }
@media (max-width: 960px) { .nav { display: none; } .header-actions { margin-left: auto; } }
@media (max-width: 560px) { .header-phone { display: none; } }

/* Hero */
.hero { padding: clamp(40px, 6vw, 80px) 0 clamp(56px, 7vw, 96px); background: linear-gradient(180deg, var(--bg-alt), var(--bg) 85%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(32px, 5vw, 64px); align-items: center; }
.hero-kicker { color: var(--blue); font-weight: 650; font-size: .98rem; margin-bottom: 16px; }
.hero-copy h1 { max-width: 15ch; }
.lede { margin-top: 20px; color: var(--muted); font-size: 1.15rem; max-width: 48ch; }
.hero-actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero-facts { list-style: none; padding: 0; margin: 36px 0 0; display: flex; gap: 0; border-top: 1px solid var(--line); padding-top: 22px; }
.hero-facts li { flex: 1; display: grid; gap: 2px; padding-right: 16px; }
.hero-facts li + li { padding-left: 20px; border-left: 1px solid var(--line); }
.hero-facts strong { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.01em; }
.hero-facts span { color: var(--muted); font-size: .92rem; }

.tour-stage {
  position: relative; aspect-ratio: 16 / 10; border-radius: var(--r-lg); overflow: hidden;
  background: #cfd6df;
  box-shadow: 0 30px 60px -30px rgba(14,23,38,.45), 0 0 0 1px rgba(14,23,38,.06);
}
.tour-stage img { width: 100%; height: 100%; object-fit: cover; }
.tour-stage iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.tour-play {
  position: absolute; left: 20px; bottom: 20px;
  display: flex; align-items: center; gap: 14px;
  padding: 10px 20px 10px 10px; border-radius: 999px; border: 0;
  background: rgba(255,255,255,.96); color: var(--ink); font: inherit; text-align: left; cursor: pointer;
  box-shadow: 0 10px 30px -10px rgba(14,23,38,.5);
  transition: transform .15s;
}
.tour-play:hover { transform: translateY(-2px); }
.play-icon { width: 46px; height: 46px; border-radius: 50%; background: var(--blue); color: #fff; display: grid; place-items: center; }
.play-icon svg { width: 22px; height: 22px; margin-left: 3px; }
.play-text { display: grid; line-height: 1.25; }
.play-text strong { font-size: 1rem; }
.play-text span { color: var(--muted); font-size: .9rem; }
.tour-note { margin-top: 12px; color: var(--muted); font-size: .92rem; }

/* Sections */
.section { padding: clamp(64px, 8vw, 112px) 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 640px; margin-bottom: 40px; }
.section-head p { margin-top: 12px; color: var(--muted); font-size: 1.1rem; }

/* Work grid */
.work-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.work-grid li { grid-column: span 4; }
.work-grid li:nth-child(1), .work-grid li:nth-child(2),
.work-grid li:nth-child(6), .work-grid li:nth-child(7) { grid-column: span 6; }
.work-card {
  display: block; width: 100%; padding: 0; border: 0; background: none; text-align: left; font: inherit; color: inherit; cursor: pointer;
}
.work-thumb { display: block; position: relative; aspect-ratio: 16 / 10; border-radius: var(--r-md); overflow: hidden; background: #cfd6df; }
.work-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.work-card:hover .work-thumb img { transform: scale(1.03); }
.work-thumb::after {
  content: "Open 3D tour"; position: absolute; left: 12px; bottom: 12px;
  background: rgba(14,23,38,.78); color: #fff; font-size: .85rem; font-weight: 600;
  padding: 6px 12px; border-radius: 999px; opacity: 0; transform: translateY(4px); transition: opacity .2s, transform .2s;
}
.work-card:hover .work-thumb::after, .work-card:focus-visible .work-thumb::after { opacity: 1; transform: none; }
.work-meta { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-top: 12px; }
.work-meta strong { font-size: 1.05rem; font-weight: 700; }
.work-meta span { color: var(--muted); font-size: .9rem; white-space: nowrap; }
@media (hover: none) { .work-thumb::after { opacity: 1; transform: none; } }

/* Services */
.services { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.service { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 30px; }
.service-icon { width: 30px; height: 30px; fill: none; stroke: var(--blue); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 18px; }
.service p { margin-top: 10px; color: var(--muted); }
.service ul { margin: 18px 0 0; padding: 18px 0 0; border-top: 1px solid var(--line); list-style: none; display: grid; gap: 8px; }
.service li { position: relative; padding-left: 22px; font-size: .97rem; }
.service li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 8px; height: 8px; border-radius: 2px; background: var(--blue); transform: rotate(45deg) scale(.8); }

/* Process */
.process { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; counter-reset: s; }
.process li { counter-increment: s; position: relative; padding-top: 60px; }
.process li::before {
  content: counter(s); position: absolute; top: 0; left: 0;
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue); font-weight: 800;
}
.process li:not(:last-child)::after { content: ""; position: absolute; top: 20px; left: 52px; right: -16px; height: 2px; background: var(--line); }
.process p { margin-top: 8px; color: var(--muted); }

/* Pricing */
.plans { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; max-width: 920px; }
.plan { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 32px; display: flex; flex-direction: column; }
.plan-featured { border: 2px solid var(--blue); box-shadow: 0 24px 48px -28px rgba(35,70,214,.45); }
.plan-flag { align-self: flex-start; background: var(--blue-soft); color: var(--blue-dark); font-weight: 650; font-size: .85rem; padding: 4px 10px; border-radius: 999px; margin-bottom: 14px; }
.plan-sub { margin-top: 8px; color: var(--muted); }
.price { margin: 24px 0; display: flex; align-items: baseline; gap: 8px; }
.price .amt { font-size: 3rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.price .per { color: var(--muted); }
.checks { list-style: none; margin: 0 0 28px; padding: 0; display: grid; gap: 10px; flex: 1; }
.checks li { position: relative; padding-left: 28px; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .32em; width: 18px; height: 18px; border-radius: 50%;
  background: var(--blue-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%232346D6' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.addons { margin-top: 40px; max-width: 920px; }
.addons h3 { margin-bottom: 14px; }
.addons dl { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; }
.addons dl > div { display: grid; grid-template-columns: 1fr auto; gap: 2px 16px; padding: 14px 0; border-top: 1px solid var(--line); }
.addons dt { font-weight: 650; }
.addons dd { margin: 0; font-weight: 700; text-align: right; }
.addons dd.addon-desc { grid-column: 1 / -1; text-align: left; font-weight: 400; color: var(--muted); font-size: .95rem; }
.addons-note { margin-top: 18px; color: var(--muted); }

/* About */
.about { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; }
.about-body p { color: var(--muted); font-size: 1.1rem; max-width: 60ch; }
.about-body p + p { margin-top: 16px; }

/* FAQ */
.faq-wrap { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: start; }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 20px 40px 20px 0; position: relative;
  font-weight: 650; font-size: 1.08rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 6px; top: 50%; width: 12px; height: 12px; margin-top: -8px;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform .2s;
}
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq details p { padding: 0 40px 22px 0; color: var(--muted); }

/* Quote */
.quote { background: var(--ink); color: #fff; }
.quote-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: start; }
.quote-info p { margin-top: 14px; color: #B7C2D3; font-size: 1.1rem; max-width: 42ch; }
.contact-list { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 16px; }
.contact-list li { display: grid; gap: 2px; }
.contact-list span { color: #8D9AB0; font-size: .88rem; font-weight: 600; }
.contact-list a { color: #fff; font-weight: 650; text-decoration: none; }
.contact-list a:hover { text-decoration: underline; }

.quote-form { background: #fff; color: var(--ink); border-radius: var(--r-lg); padding: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
.field { display: grid; gap: 6px; align-content: start; }
.field-wide { grid-column: 1 / -1; }
.field label { font-weight: 650; font-size: .93rem; }
.opt { color: var(--muted); font-weight: 400; }
.field input, .field select, .field textarea {
  font: inherit; font-size: 1rem; color: var(--ink); width: 100%;
  background: #fff; border: 1.5px solid var(--line); border-radius: 10px; padding: 12px 14px; min-height: 50px;
}
.field select { appearance: none; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' fill='none' stroke='%234E5B6E' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") right 12px center / 18px no-repeat; padding-right: 40px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(35,70,214,.18); }
.field [aria-invalid="true"] { border-color: var(--err); }
.hp { position: absolute; left: -9999px; }
.form-foot { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 4px; }
.form-status { color: var(--muted); font-size: .95rem; }
.form-status.ok { color: var(--ok); font-weight: 600; }
.form-status.error { color: var(--err); }

/* Footer */
.site-footer { background: var(--ink); color: #B7C2D3; border-top: 1px solid #1E2A3E; padding: 40px 0 48px; font-size: .95rem; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr auto; gap: 32px; align-items: start; }
.brand-footer { color: #fff; }
.brand-footer .brand-mark { color: #6F8CFF; }
.site-footer p { margin-top: 10px; max-width: 40ch; }
.footer-links { display: grid; gap: 8px; }
.footer-links a { color: #fff; text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.copy { margin-top: 0 !important; }

/* Mobile action bar */
.mobile-bar { display: none; }

/* Tour dialog */
.tour-dialog { width: min(1200px, 96vw); height: min(780px, 90vh); padding: 0; border: 0; border-radius: var(--r-lg); overflow: hidden; background: var(--ink); color: #fff; }
.tour-dialog::backdrop { background: rgba(8,12,20,.7); }
.tour-dialog[open] { display: flex; flex-direction: column; }
.tour-dialog-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 12px 12px 20px; }
.tour-dialog-bar h2 { font-size: 1.1rem; font-weight: 700; letter-spacing: 0; }
.tour-dialog-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn { width: 42px; height: 42px; border-radius: 10px; border: 1px solid #2B3850; background: transparent; color: #fff; display: grid; place-items: center; cursor: pointer; }
.icon-btn svg { width: 20px; height: 20px; stroke: currentColor; stroke-width: 2; stroke-linecap: round; fill: none; }
.icon-btn:hover { background: #1E2A3E; }
.tour-dialog-frame { flex: 1; background: #000; }
.tour-dialog-frame iframe { width: 100%; height: 100%; border: 0; display: block; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .about, .faq-wrap, .quote-grid { grid-template-columns: 1fr; gap: 36px; }
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 40px; }
  .process li:nth-child(2)::after { display: none; }
  .work-grid li, .work-grid li:nth-child(n) { grid-column: span 6; }
  .work-grid li:last-child { grid-column: 1 / -1; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  :root { --gutter: 16px; }
  body { padding-bottom: 76px; }
  .services, .plans, .addons dl { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .process li { padding: 0 0 0 58px; }
  .process li::after { display: none; }
  .work-grid { grid-template-columns: 1fr; gap: 24px; }
  .work-grid li, .work-grid li:nth-child(n), .work-grid li:last-child { grid-column: auto; }
  .hero-facts strong { font-size: 1.15rem; }
  .hero-facts li + li { padding-left: 12px; }
  .hero-facts li { padding-right: 8px; }
  .tour-play { left: 12px; bottom: 12px; padding: 8px 16px 8px 8px; }
  .play-icon { width: 40px; height: 40px; }
  .service, .plan, .quote-form { padding: 22px; }
  .quote-form { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .header-actions .btn { display: none; }
  .mobile-bar {
    display: grid; grid-template-columns: 1fr 2fr; gap: 10px;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    background: rgba(255,255,255,.96); border-top: 1px solid var(--line);
    backdrop-filter: blur(8px);
  }
  .tour-dialog { width: 100vw; height: 100dvh; max-width: none; max-height: none; border-radius: 0; }
}