/* ===================================================================
   Platinum Contractors Corp — stylesheet
   Design system: near-black + platinum, Playfair Display / Inter
=================================================================== */

:root {
  --ink: #14171b;
  --ink-soft: #464c55;
  --paper: #ffffff;
  --paper-alt: #f3f4f6;
  --line: #dfe2e6;
  --platinum: #9aa0a6;
  --platinum-deep: #5b5f66;
  --platinum-light: #d6d8da;
  --platinum-grad: linear-gradient(135deg, #f5f6f7 0%, #c7cbcf 50%, #9aa0a6 100%);
  --dark: #12151a;
  --dark-alt: #1a1e24;
  --on-dark: #eef0f2;
  --on-dark-soft: #b4bac2;
  --radius: 4px;
  --shadow-sm: 0 2px 10px rgba(18,21,26, 0.06);
  --shadow-md: 0 12px 32px rgba(18,21,26, 0.14);
  --shadow-lg: 0 24px 64px rgba(18,21,26, 0.22);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 260ms;
  --container: 1180px;
}

* { 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; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, serif;
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 600;
}

p { margin: 0 0 1em; color: var(--ink-soft); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--platinum-deep);
  font-weight: 600;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--platinum);
  display: inline-block;
}
.on-dark .eyebrow { color: var(--platinum-light); }
.on-dark .eyebrow::before { background: var(--platinum-light); }

.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.9rem, 3.2vw, 2.6rem); }
.section-head p { font-size: 1.05rem; }

section { position: relative; }
.pad { padding: 108px 0; }
@media (max-width: 720px) { .pad { padding: 72px 0; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-platinum {
  background: var(--platinum-grad);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}
.btn-platinum:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-dark { background: var(--ink); color: var(--on-dark); }
.btn-dark:hover { background: #2a2f37; transform: translateY(-2px); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,0.35); color: var(--on-dark); }
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.6); }
.btn-line { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-line:hover { border-color: var(--platinum); color: var(--platinum-deep); }
.btn:focus-visible { outline: 2px solid var(--platinum-deep); outline-offset: 3px; }

/* ---------- Top utility bar ---------- */
.topbar {
  background: var(--dark);
  color: var(--on-dark-soft);
  font-size: 0.82rem;
  overflow: hidden;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 40px;
  gap: 16px;
  flex-wrap: nowrap;
}
.topbar-left { display: flex; align-items: center; gap: 22px; min-width: 0; }
.topbar a { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; transition: color var(--dur) var(--ease); }
.topbar a:hover { color: var(--platinum-light); }
.topbar svg { width: 14px; height: 14px; flex: none; }
.topbar-badge { color: var(--platinum-light); letter-spacing: 0.06em; font-weight: 600; font-size: 0.72rem; text-transform: uppercase; white-space: nowrap; }
@media (max-width: 780px) { .topbar-left span:last-child { display: none; } }
@media (max-width: 560px) { .topbar-badge { display: none; } }
@media (max-width: 480px) { .topbar-left a:nth-child(2) { display: none; } }

/* ---------- Header ---------- */
header.site {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
header.site.scrolled { border-color: var(--line); box-shadow: 0 4px 20px rgba(18,21,26,0.05); }
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand svg { width: 46px; height: 46px; flex: none; }
.brand-word { display: flex; flex-direction: column; line-height: 1.05; }
.brand-word b { font-family: 'Playfair Display', serif; font-size: 1.28rem; letter-spacing: 0.01em; color: var(--ink); }
.brand-word span { font-size: 0.62rem; letter-spacing: 0.22em; color: var(--platinum-deep); font-weight: 700; text-transform: uppercase; margin-top: 2px; }

nav.primary { display: flex; align-items: center; gap: 34px; }
nav.primary a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  padding: 6px 0;
  transition: color var(--dur) var(--ease);
}
nav.primary a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--platinum);
  transition: right var(--dur) var(--ease);
}
nav.primary a:hover { color: var(--ink); }
nav.primary a:hover::after { right: 0; }

.header-actions { display: flex; align-items: center; gap: 16px; }
.header-call { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 0.92rem; }
.header-call svg { width: 18px; height: 18px; color: var(--platinum-deep); }

.menu-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  align-items: center;
  justify-content: center;
}
.menu-toggle svg { width: 20px; height: 20px; }

@media (max-width: 980px) {
  nav.primary { display: none; }
  .header-call span { display: none; }
  .menu-toggle { display: inline-flex; }
}
@media (max-width: 560px) {
  .header-call { display: none; }
  .header-actions { gap: 10px; }
  .header-actions .btn-platinum { padding: 12px 18px; font-size: 0.86rem; }
  .brand-word b { font-size: 1.05rem; }
  .brand-word span { font-size: 0.54rem; letter-spacing: 0.14em; }
  .brand svg { width: 38px; height: 38px; }
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 84px 0 0 0;
  background: var(--paper);
  z-index: 99;
  overflow-y: auto;
  padding: 24px;
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 1.1rem;
  font-weight: 500;
}
.mobile-nav .btn { margin-top: 24px; width: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8,10,13,0.72) 0%, rgba(10,12,16,0.6) 40%, rgba(8,10,13,0.9) 100%);
}
.hero-content { position: relative; z-index: 1; max-width: 760px; padding: 160px 0 120px; }
.hero-content .eyebrow { color: var(--platinum-light); }
.hero-content .eyebrow::before { background: var(--platinum-light); }
.hero-content h1 {
  color: #fff;
  font-size: clamp(2.5rem, 5.4vw, 4.1rem);
  margin-bottom: 22px;
}
.hero-content h1 em { color: var(--platinum-light); font-style: normal; }
.hero-content p.lead {
  color: var(--on-dark-soft);
  font-size: 1.18rem;
  max-width: 560px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 56px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 28px 36px; }
.hero-trust div { display: flex; align-items: center; gap: 10px; font-size: 0.86rem; color: var(--on-dark-soft); font-weight: 500; }
.hero-trust svg { width: 20px; height: 20px; color: var(--platinum-light); flex: none; }
.scroll-cue {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--on-dark-soft); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase;
}
.scroll-cue .dot { width: 1px; height: 34px; background: linear-gradient(var(--platinum-light), transparent); animation: scrollcue 1.8s ease-in-out infinite; }
@keyframes scrollcue { 0%,100% { opacity: 0.3; } 50% { opacity: 1; } }

/* ---------- Interior page hero (Services / Why Us / Gallery / Contact) ---------- */
.page-hero {
  position: relative;
  min-height: 46vh;
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}
.page-hero .hero-media::after {
  background: linear-gradient(180deg, rgba(8,10,13,0.6) 0%, rgba(8,10,13,0.55) 40%, rgba(8,10,13,0.92) 100%);
}
.page-hero-content { position: relative; z-index: 1; padding: 150px 0 56px; max-width: 720px; }
.page-hero-content h1 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 14px; }
.page-hero-content p { color: var(--on-dark-soft); font-size: 1.05rem; max-width: 560px; margin: 0; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: var(--on-dark-soft); margin-top: 18px; }
.breadcrumb a { color: var(--on-dark-soft); transition: color var(--dur) var(--ease); }
.breadcrumb a:hover { color: var(--platinum-light); }
.breadcrumb span { color: var(--platinum-light); }

/* ---------- Nav active state ---------- */
nav.primary a.active, .mobile-nav a.active { color: var(--ink); font-weight: 600; }
nav.primary a.active::after { right: 0; }
.mobile-nav a.active { color: var(--platinum-deep); }

/* ---------- Marquee / services strip ---------- */
.strip {
  background: var(--ink);
  color: var(--on-dark-soft);
  padding: 22px 0;
  overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.strip-track { display: flex; gap: 56px; width: max-content; animation: marquee 34s linear infinite; }
.strip:hover .strip-track { animation-play-state: paused; }
@media (prefers-reduced-motion: reduce) { .strip-track { animation: none; } }
.strip-track span { display: flex; align-items: center; gap: 12px; font-size: 0.88rem; font-weight: 500; white-space: nowrap; }
.strip-track svg { width: 16px; height: 16px; color: var(--platinum-light); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Service overview cards ---------- */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 980px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .svc-grid { grid-template-columns: 1fr; } }

.svc-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.svc-icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--paper-alt);
  margin-bottom: 20px;
  color: var(--platinum-deep);
}
.svc-icon svg { width: 26px; height: 26px; }
.svc-card h3 { font-size: 1.12rem; margin-bottom: 10px; }
.svc-card p { font-size: 0.92rem; margin-bottom: 14px; }
.svc-card a { font-size: 0.84rem; font-weight: 600; color: var(--platinum-deep); display: inline-flex; align-items: center; gap: 6px; }
.svc-card a svg { width: 14px; height: 14px; transition: transform var(--dur) var(--ease); }
.svc-card a:hover svg { transform: translateX(4px); }

/* ---------- Detailed service rows ---------- */
.svc-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  padding: 90px 0;
  border-top: 1px solid var(--line);
}
.svc-detail:first-of-type { border-top: none; }
.svc-detail.reverse .svc-detail-media { order: 2; }
.svc-detail-media { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); aspect-ratio: 4/3; }
.svc-detail-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 700ms var(--ease); }
.svc-detail-media:hover img { transform: scale(1.05); }
.svc-detail-media .tag {
  position: absolute; bottom: 18px; left: 18px;
  background: rgba(18,21,26,0.82);
  color: var(--platinum-light);
  font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 700;
  padding: 8px 14px; border-radius: 3px;
}
.svc-detail-body .num { font-family: 'Playfair Display', serif; color: var(--line); font-size: 3.4rem; line-height: 1; margin-bottom: 6px; }
.svc-detail-body h3 { font-size: clamp(1.5rem, 2.4vw, 2rem); margin-bottom: 16px; }
.svc-detail-body p { font-size: 1rem; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.svc-tags span {
  font-size: 0.8rem; font-weight: 600; color: var(--ink-soft);
  border: 1px solid var(--line); padding: 7px 14px; border-radius: 30px;
  display: inline-flex; align-items: center; gap: 8px;
}
.svc-tags span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--platinum); }

@media (max-width: 860px) {
  .svc-detail { grid-template-columns: 1fr; gap: 32px; padding: 60px 0; }
  .svc-detail.reverse .svc-detail-media { order: 0; }
}

/* ---------- Why choose us (dark banner) ---------- */
.why {
  position: relative;
  color: var(--on-dark);
  overflow: hidden;
}
.why-media { position: absolute; inset: 0; z-index: 0; }
.why-media img { width: 100%; height: 100%; object-fit: cover; }
.why-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(13,16,20,0.94) 0%, rgba(13,16,20,0.88) 100%); }
.why-inner { position: relative; z-index: 1; }
.why .section-head p { color: var(--on-dark-soft); }
.why .section-head h2 { color: #fff; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  overflow: hidden;
}
@media (max-width: 860px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .why-grid { grid-template-columns: 1fr; } }
.why-item { background: rgba(18,21,26,0.55); padding: 38px 30px; }
.why-item .svc-icon { background: rgba(255,255,255,0.06); color: var(--platinum-light); }
.why-item h3 { color: #fff; font-size: 1.08rem; }
.why-item p { color: var(--on-dark-soft); font-size: 0.92rem; margin-bottom: 0; }

.why-tagline {
  margin-top: 64px;
  padding-top: 44px;
  border-top: 1px solid rgba(255,255,255,0.14);
  text-align: center;
}
.why-tagline p.big {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  color: #fff;
  max-width: 780px;
  margin: 0 auto 10px;
}
.why-tagline .accent { color: var(--platinum-light); font-style: italic; }
.why-tagline p.small { color: var(--on-dark-soft); font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; }

/* ---------- Process ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  counter-reset: step;
}
@media (max-width: 860px) { .process-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; } }
@media (max-width: 560px) { .process-grid { grid-template-columns: 1fr; } }
.process-step { position: relative; padding: 0 28px 0 0; }
.process-step:not(:last-child)::after {
  content: "";
  position: absolute; top: 30px; right: 0; left: 62px;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
}
@media (max-width: 860px) { .process-step:not(:last-child)::after { display: none; } }
.process-num {
  width: 60px; height: 60px;
  border-radius: 50%;
  border: 1.5px solid var(--platinum);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif; font-size: 1.4rem; color: var(--platinum-deep);
  margin-bottom: 24px;
  background: var(--paper);
  position: relative; z-index: 1;
}
.process-step h3 { font-size: 1.08rem; margin-bottom: 10px; }
.process-step p { font-size: 0.9rem; }

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 130px;
  gap: 14px;
}
.gallery-grid a { display: block; border-radius: var(--radius); overflow: hidden; position: relative; }
.gallery-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--ease); }
.gallery-grid a:hover img { transform: scale(1.08); }
.gallery-grid a::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(8,10,13,0.55) 100%);
  opacity: 0; transition: opacity var(--dur) var(--ease);
}
.gallery-grid a:hover::after { opacity: 1; }
.g-1 { grid-column: span 3; grid-row: span 3; }
.g-2 { grid-column: span 3; grid-row: span 2; }
.g-3 { grid-column: span 3; grid-row: span 2; }
.g-4 { grid-column: span 2; grid-row: span 2; }
.g-5 { grid-column: span 2; grid-row: span 2; }
.g-6 { grid-column: span 2; grid-row: span 2; }
@media (max-width: 860px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  .g-1, .g-2, .g-3, .g-4, .g-5, .g-6 { grid-column: span 1; grid-row: span 2; }
}

/* ---------- CTA banner ---------- */
.cta {
  background: var(--ink);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 15% 20%, rgba(154,160,166,0.20), transparent 60%),
              radial-gradient(500px 260px at 85% 80%, rgba(154,160,166,0.14), transparent 60%);
}
.cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding: 74px 0; }
.cta h2 { color: #fff; font-size: clamp(1.7rem, 3vw, 2.3rem); max-width: 560px; margin-bottom: 10px; }
.cta p { color: var(--on-dark-soft); max-width: 480px; }
.cta-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Contact ---------- */
.contact-wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
@media (max-width: 900px) { .contact-wrap { grid-template-columns: 1fr; } }
.contact-form { padding: 56px; background: var(--paper); }
.contact-form h3 { font-size: 1.5rem; margin-bottom: 8px; }
.contact-form > p { margin-bottom: 30px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 0.82rem; font-weight: 600; margin-bottom: 8px; color: var(--ink); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--paper-alt);
  color: var(--ink);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--platinum); background: #fff;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 480px) { .field-row { grid-template-columns: 1fr; } }
.form-note { font-size: 0.8rem; color: var(--ink-soft); margin-top: 14px; }
.form-status { font-size: 0.88rem; margin-top: 14px; display: none; }
.form-status.show { display: block; }
.form-status.ok { color: #15803d; }

.contact-info {
  background: var(--dark);
  color: var(--on-dark);
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.contact-info h3 { color: #fff; font-size: 1.3rem; }
.contact-row { display: flex; gap: 16px; align-items: flex-start; }
.contact-row .ic {
  width: 42px; height: 42px; flex: none; border-radius: 50%;
  background: rgba(255,255,255,0.08); color: var(--platinum-light);
  display: flex; align-items: center; justify-content: center;
}
.contact-row .ic svg { width: 20px; height: 20px; }
.contact-row div b { display: block; font-size: 0.95rem; color: #fff; margin-bottom: 2px; }
.contact-row div span, .contact-row div a { font-size: 0.9rem; color: var(--on-dark-soft); }
.contact-row div a:hover { color: var(--platinum-light); }
.contact-map { border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(255,255,255,0.12); margin-top: auto; }
.contact-map iframe { width: 100%; height: 190px; border: 0; display: block; filter: grayscale(0.3) contrast(1.05); }

/* ---------- Footer ---------- */
footer.site {
  background: var(--dark-alt);
  color: var(--on-dark-soft);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand .brand-word b { color: #fff; }
.footer-brand p { color: var(--on-dark-soft); font-size: 0.9rem; margin: 16px 0 0; max-width: 280px; }
footer.site h4 { color: #fff; font-size: 0.86rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 18px; }
footer.site ul li { margin-bottom: 12px; }
footer.site ul a { font-size: 0.92rem; color: var(--on-dark-soft); transition: color var(--dur) var(--ease); }
footer.site ul a:hover { color: var(--platinum-light); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding: 26px 0; font-size: 0.82rem;
}

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 700ms var(--ease), transform 700ms var(--ease); }
.reveal.in-view { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }

/* ---------- Back to top / mobile call fab ---------- */
.fab-call {
  position: fixed;
  right: 20px; bottom: 20px;
  z-index: 90;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--platinum-grad);
  color: var(--ink);
  display: none;
  align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
}
.fab-call svg { width: 24px; height: 24px; }
@media (max-width: 720px) { .fab-call { display: flex; } }

.to-top {
  position: fixed; right: 20px; bottom: 90px; z-index: 90;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--ink); color: #fff;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transform: translateY(10px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.to-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.to-top svg { width: 18px; height: 18px; }
@media (max-width: 720px) { .to-top { bottom: 154px; } }

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

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; }