/* ============================================================
   PN Group — Components
   ============================================================ */

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), backdrop-filter var(--dur);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(12, 14, 16, 0.72);
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-bottom-color: var(--hairline);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.18rem;
  color: var(--text);
  letter-spacing: -0.01em;
}
.brand .mark {
  width: 34px; height: 34px;
  border: 1.6px solid var(--text);
  display: grid; place-items: center;
  font-size: 0.62rem; font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 5px;
  color: var(--text);
}
.brand .mark .dot { color: var(--teal); }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2.2rem);
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--teal);
  transition: width var(--dur) var(--ease-out);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--teal);
  color: #042725 !important;
  font-weight: 700;
  font-size: var(--text-sm);
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -10px var(--teal-glow);
}
.nav-toggle { display: none; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle {
    display: inline-grid;
    place-items: center;
    width: 44px; height: 44px;
    background: var(--surface-2);
    border: 1px solid var(--hairline);
    border-radius: 10px;
    color: var(--text);
    cursor: pointer;
  }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 78px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(12, 14, 16, 0.96);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--hairline);
    padding: 0.6rem var(--gutter) 1.4rem;
  }
  .nav-links.open a { padding: 0.95rem 0; border-bottom: 1px solid var(--hairline); }
  .nav-links.open .nav-cta { margin-top: 1rem; justify-content: center; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: var(--text-sm);
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur) var(--ease-out), background var(--dur), border-color var(--dur);
}
.btn-primary {
  background: var(--teal);
  color: #042725;
  box-shadow: 0 10px 30px -12px var(--teal-glow);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 20px 50px -16px var(--teal-glow); }
.btn-ghost {
  background: transparent;
  border-color: var(--hairline-strong);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-3px); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 78px;
  overflow: hidden;
}
.hero-hatch {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    -45deg,
    var(--teal-wash) 0,
    var(--teal-wash) 2px,
    transparent 2px,
    transparent 12px
  );
  -webkit-mask-image: radial-gradient(70% 60% at 85% 25%, #000, transparent 70%);
  mask-image: radial-gradient(70% 60% at 85% 25%, #000, transparent 70%);
  opacity: 0.9;
}
.hero-inner { position: relative; z-index: 2; width: 100%; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}
.hero h1 {
  font-size: var(--text-hero);
  margin-block: 1.4rem;
}
.hero h1 .accent {
  color: var(--teal);
  position: relative;
}
.hero .lead {
  font-size: var(--text-lead);
  color: var(--text-soft);
  max-width: 46ch;
  font-weight: 400;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.4rem;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2.6rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-soft);
  background: var(--surface-2);
  border: 1px solid var(--hairline);
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
}
.badge .pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 0 var(--teal-glow);
  animation: pulse 2.4s var(--ease-out) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 var(--teal-glow); }
  70% { box-shadow: 0 0 0 9px rgba(43,196,190,0); }
  100% { box-shadow: 0 0 0 0 rgba(43,196,190,0); }
}

/* Hero visual: floating square-mark composition */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
}
.hero-mark {
  width: min(78%, 360px);
  aspect-ratio: 1;
  border: 2px solid var(--hairline-strong);
  border-radius: var(--r-lg);
  position: relative;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, rgba(255,255,255,0.04), transparent);
  box-shadow: var(--shadow-md);
  animation: floaty 7s var(--ease-in-out) infinite;
}
.hero-mark::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid var(--teal);
  border-radius: var(--r-md);
  opacity: 0.5;
}
.hero-mark .mk-text {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  color: var(--text);
  font-weight: 600;
}
.hero-mark .mk-text b { color: var(--teal); font-weight: 600; }
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}
.hero-orb.a {
  width: 60px; height: 60px; top: 6%; right: 12%;
  background: radial-gradient(circle at 30% 30%, var(--teal-bright), var(--teal-deep));
  box-shadow: 0 0 40px var(--teal-glow);
  animation: floaty 5s var(--ease-in-out) infinite reverse;
}
.hero-orb.b {
  width: 26px; height: 26px; bottom: 14%; left: 8%;
  background: var(--teal);
  opacity: 0.7;
  animation: floaty 6.5s var(--ease-in-out) infinite;
}
@keyframes floaty {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

.scroll-cue {
  position: absolute;
  bottom: 26px; left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.scroll-cue .line {
  width: 1px; height: 40px;
  background: linear-gradient(var(--teal), transparent);
  animation: cue 2s var(--ease-in-out) infinite;
  transform-origin: top;
}
@keyframes cue { 0%,100%{ transform: scaleY(0.4); opacity:.4;} 50%{transform: scaleY(1); opacity:1;} }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 320px; margin-inline: auto; }
}

/* ---------- Stats band ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.stat {
  background: var(--surface);
  padding: clamp(1.6rem, 3vw, 2.6rem);
}
.stat .num {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 1.4rem + 3vw, 3.6rem);
  color: var(--text);
  font-weight: 600;
  line-height: 1;
}
.stat .num .u { color: var(--teal); }
.stat .label { margin-top: 0.7rem; color: var(--text-muted); font-size: var(--text-sm); }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* ---------- About / consortium ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}
.about-copy p + p { margin-top: 1.1rem; }
.consortium {
  display: grid;
  gap: 0.9rem;
}
.cons-card {
  display: flex;
  gap: 1rem;
  padding: 1.3rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur), background var(--dur);
}
.cons-card:hover {
  transform: translateX(6px);
  border-color: var(--teal);
  background: var(--surface-2);
}
.cons-card .idx {
  font-family: var(--font-display);
  color: var(--teal);
  font-size: 1.3rem;
  font-weight: 600;
  min-width: 2ch;
}
.cons-card h4 { font-size: 1.02rem; margin-bottom: 0.2rem; }
.cons-card p { font-size: var(--text-sm); color: var(--text-muted); margin: 0; }

/* ---------- Bento product grid ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(190px, auto);
  gap: clamp(0.9rem, 1.6vw, 1.4rem);
}
.tile {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: clamp(1.4rem, 2.2vw, 2rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--dur) var(--ease-out), border-color var(--dur), box-shadow var(--dur);
}
.tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(140% 120% at 100% 0%, var(--teal-wash), transparent 55%);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
  pointer-events: none;
}
.tile:hover {
  transform: translateY(-6px);
  border-color: var(--teal);
  box-shadow: var(--shadow-md);
}
.tile::after { z-index: 1; }
.tile:hover::after { opacity: 1; }
.tile:hover .tile-icon { color: var(--teal); border-color: var(--teal); transform: rotate(-6deg); }
.tile > *:not(.tile-bg) { position: relative; z-index: 2; }

/* photo background layer */
.tile-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  transition: transform var(--dur-slow) var(--ease-out);
}
.tile-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(12,14,16,0.12) 0%, rgba(12,14,16,0.55) 52%, rgba(12,14,16,0.92) 100%),
    linear-gradient(0deg, var(--teal-wash), transparent 60%);
}
.tile.has-photo { border-color: var(--hairline-strong); }
.tile.has-photo:hover .tile-bg { transform: scale(1.07); }

.tile-icon {
  width: 52px; height: 52px;
  border: 1px solid var(--hairline-strong);
  border-radius: 13px;
  display: grid; place-items: center;
  color: var(--text-soft);
  transition: color var(--dur), border-color var(--dur), transform var(--dur) var(--ease-out);
}
.tile-icon svg { width: 26px; height: 26px; }
.tile h3 { font-size: var(--text-h3); margin-top: 1.4rem; overflow-wrap: break-word; hyphens: auto; }
.tile p { color: var(--text-muted); font-size: var(--text-sm); margin-top: 0.5rem; }
.tile .more {
  margin-top: 1.2rem;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--teal);
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.tile .more svg { transition: transform var(--dur) var(--ease-out); }
.tile:hover .more svg { transform: translateX(5px); }

/* span layout */
.tile.span-3 { grid-column: span 3; }
.tile.span-2 { grid-column: span 2; }
.tile.feature { grid-column: span 4; grid-row: span 1; }
.tile.feature h3 { font-size: clamp(1.6rem, 1rem + 1.6vw, 2.3rem); }
@media (max-width: 980px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .tile.span-3, .tile.span-2, .tile.feature { grid-column: span 1; }
  .tile.feature { grid-column: span 2; }
}
@media (max-width: 560px) {
  .bento { grid-template-columns: 1fr; }
  .tile.feature { grid-column: span 1; }
}

/* ---------- Capability detail blocks ---------- */
.cap {
  display: grid;
  grid-template-columns: 0.42fr 0.58fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
  padding-block: clamp(2rem, 4vw, 3.4rem);
  border-top: 1px solid var(--hairline);
}
.cap:first-of-type { border-top: 0; }
.cap-head { position: sticky; top: 110px; }
.cap-head .kicker { color: var(--teal); font-weight: 700; font-size: var(--text-sm); letter-spacing: 0.08em; }
.cap-head h3 { font-size: var(--text-h3); margin-top: 0.6rem; }
.cap-head p { color: var(--text-muted); font-size: var(--text-sm); margin-top: 0.9rem; }
.cap-list { display: grid; gap: 0.7rem; }
.cap-row {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: 1.1rem 1.3rem;
  transition: border-color var(--dur), background var(--dur);
}
.cap-row:hover { border-color: var(--hairline-strong); background: var(--surface-2); }
.cap-row h4 { font-family: var(--font-body); font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 0.5rem; }
.cap-row ul { display: grid; gap: 0.35rem; }
.cap-row li {
  position: relative;
  padding-left: 1.3rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
}
.cap-row li::before {
  content: "";
  position: absolute; left: 0; top: 0.6em;
  width: 6px; height: 6px;
  background: var(--teal);
  border-radius: 2px;
  transform: rotate(45deg);
}
@media (max-width: 820px) {
  .cap { grid-template-columns: 1fr; }
  .cap-head { position: static; }
}

/* ---------- Brands wall ---------- */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.brand-group {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: 1.4rem;
}
.brand-group h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}
.brand-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.brand-tag {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-soft);
  background: var(--surface-2);
  border: 1px solid var(--hairline);
  padding: 0.4rem 0.7rem;
  border-radius: 8px;
  transition: border-color var(--dur), color var(--dur), transform var(--dur-fast);
}
.brand-tag:hover { border-color: var(--teal); color: var(--text); transform: translateY(-2px); }

/* ---------- Projects ---------- */
.proj-list { display: grid; gap: 0.6rem; }
.proj {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.4rem;
  align-items: center;
  padding: 1.5rem clamp(1rem, 2vw, 1.8rem);
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  transition: background var(--dur), border-color var(--dur), transform var(--dur) var(--ease-out);
}
.proj:hover { background: var(--surface-2); border-color: var(--teal); transform: translateY(-3px); }
.proj .tag {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--teal);
  background: var(--teal-wash);
  border: 1px solid rgba(43,196,190,0.25);
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  white-space: nowrap;
}
.proj p { margin: 0; color: var(--text-soft); font-size: var(--text-base); }
.proj .loc {
  color: var(--text-muted);
  font-size: var(--text-sm);
  white-space: nowrap;
  display: flex; align-items: center; gap: 0.4rem;
}
@media (max-width: 720px) {
  .proj { grid-template-columns: 1fr; gap: 0.7rem; }
  .proj .loc { order: 3; }
}

/* ---------- CTA banner ---------- */
.cta-banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-xl);
  padding: clamp(2.6rem, 5vw, 5rem);
  background:
    radial-gradient(120% 160% at 100% 0%, rgba(43,196,190,0.22), transparent 60%),
    var(--bg-elevated);
  border: 1px solid var(--hairline);
  text-align: center;
}
.cta-banner::before {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(-45deg, var(--teal-wash) 0, var(--teal-wash) 2px, transparent 2px, transparent 14px);
  opacity: 0.5;
  -webkit-mask-image: radial-gradient(80% 100% at 50% 0, #000, transparent);
  mask-image: radial-gradient(80% 100% at 50% 0, #000, transparent);
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { font-size: var(--text-h2); }
.cta-banner p { margin: 1.1rem auto 2rem; color: var(--text-soft); font-size: var(--text-lead); }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Request form ---------- */
.request-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.request-aside h2 { font-size: var(--text-h2); margin-block: 0.8rem 1.2rem; }
.request-aside .lead { color: var(--text-muted); font-size: var(--text-lead); font-weight: 400; }
.request-points { margin-top: 1.8rem; display: grid; gap: 0.8rem; }
.request-points li {
  position: relative;
  padding-left: 2rem;
  color: var(--text-soft);
  font-size: var(--text-base);
}
.request-points li::before {
  content: "";
  position: absolute; left: 0; top: 0.15em;
  width: 22px; height: 22px;
  border-radius: 7px;
  background: var(--teal-wash);
  border: 1px solid rgba(43,196,190,0.3);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%232bc4be' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.request-form {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: clamp(1.6rem, 3vw, 2.6rem);
  box-shadow: var(--shadow-md);
}
.field { margin-bottom: 1.1rem; }
.field label {
  display: block;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--text);
  background: var(--bg-elevated);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-sm);
  padding: 0.9rem 1rem;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast), background var(--dur-fast);
}
.field textarea { resize: vertical; min-height: 110px; }
.field select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238b969d' stroke-width='2.4'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.6rem;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--text-faint); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px var(--teal-wash);
  background: var(--surface-2);
}
.field.invalid input,
.field.invalid select { border-color: #f0556d; box-shadow: 0 0 0 3px rgba(240,85,109,0.12); }
.field .err { display: none; color: #f0556d; font-size: var(--text-xs); margin-top: 0.4rem; }
.field.invalid .err { display: block; }

.lf-submit { width: 100%; justify-content: center; margin-top: 0.4rem; }
.lf-note { font-size: var(--text-xs); color: var(--text-faint); margin-top: 0.9rem; text-align: center; }
.lf-success[hidden] { display: none; }
.lf-success .lf-walink { color: var(--teal-bright); text-decoration: underline; font-weight: 700; }
.lf-success {
  display: flex; align-items: center; gap: 0.7rem;
  margin-top: 1rem; padding: 0.9rem 1.1rem;
  background: var(--teal-wash);
  border: 1px solid rgba(43,196,190,0.3);
  border-radius: var(--r-sm);
  color: var(--teal);
  font-size: var(--text-sm);
  font-weight: 600;
}
@media (max-width: 820px) {
  .request-grid { grid-template-columns: 1fr; }
}

/* ---------- Contacts ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.4rem, 3vw, 2.4rem);
}
.contact-cards { display: grid; gap: 1rem; align-content: start; }

/* icon-only contact row */
.contact-icons { display: flex; gap: 1rem; flex-wrap: wrap; align-content: start; }
.ci-btn {
  width: 72px; height: 72px;
  display: grid; place-items: center;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  color: var(--text-soft);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur), background var(--dur), color var(--dur), box-shadow var(--dur);
}
.ci-btn svg { width: 30px; height: 30px; }
.ci-btn:hover {
  transform: translateY(-4px);
  border-color: var(--teal);
  background: var(--surface-2);
  color: var(--teal);
  box-shadow: var(--shadow-md);
}
.cc {
  display: flex; gap: 1.1rem; align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: 1.4rem 1.5rem;
  transition: border-color var(--dur), transform var(--dur) var(--ease-out);
}
.cc:hover { border-color: var(--teal); transform: translateY(-3px); }
.cc .ci {
  width: 46px; height: 46px; flex: none;
  border-radius: 12px;
  display: grid; place-items: center;
  background: var(--teal-wash);
  border: 1px solid rgba(43,196,190,0.25);
  color: var(--teal);
}
.cc .ci svg { width: 22px; height: 22px; }
.cc .k { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-muted); }
.cc .v { font-size: 1.05rem; color: var(--text); font-weight: 600; margin-top: 0.2rem; }
.cc a.v:hover { color: var(--teal); }

.requisites {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: clamp(1.6rem, 3vw, 2.4rem);
}
.requisites h3 { font-size: var(--text-h3); margin-bottom: 1.4rem; }
.req-row { padding: 0.95rem 0; border-bottom: 1px solid var(--hairline); }
.req-row:last-child { border-bottom: 0; }
.req-row .k { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); }
.req-row .v { color: var(--text); margin-top: 0.25rem; font-weight: 500; }
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--hairline);
  padding-block: clamp(2.6rem, 4vw, 4rem) 2.2rem;
  margin-top: var(--space-section);
}
.footer-top {
  display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap;
  align-items: flex-start;
}
.footer-top .tagline { max-width: 34ch; color: var(--text-muted); margin-top: 1rem; font-size: var(--text-sm); }
.footer-links { display: flex; gap: 3rem; flex-wrap: wrap; }
.footer-col h5 { font-family: var(--font-body); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-faint); margin-bottom: 0.9rem; }
.footer-col a { display: block; color: var(--text-muted); font-size: var(--text-sm); padding: 0.28rem 0; }
.footer-col a:hover { color: var(--teal); }
.footer-bottom {
  margin-top: 2.6rem; padding-top: 1.6rem;
  border-top: 1px solid var(--hairline);
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  font-size: var(--text-xs); color: var(--text-faint);
}

/* ---------- WhatsApp FAB ---------- */
.wa-fab {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 150;
  display: inline-flex;
  align-items: center;
  gap: 0;
  height: 60px;
  padding: 0;
  width: 60px;
  justify-content: center;
  border-radius: 999px;
  color: #fff;
  background: #25d366;
  box-shadow: 0 14px 34px -8px rgba(37, 211, 102, 0.6), 0 0 0 0 rgba(37, 211, 102, 0.5);
  overflow: hidden;
  transition: width var(--dur) var(--ease-out), box-shadow var(--dur), transform var(--dur-fast) var(--ease-out);
  animation: waPulse 3s var(--ease-out) infinite;
}
.wa-fab svg { flex: none; }
.wa-fab-label {
  max-width: 0;
  white-space: nowrap;
  font-weight: 700;
  font-size: var(--text-sm);
  opacity: 0;
  transition: max-width var(--dur) var(--ease-out), opacity var(--dur), margin var(--dur);
}
.wa-fab:hover {
  width: 264px;
  transform: translateY(-2px);
  box-shadow: 0 18px 44px -8px rgba(37, 211, 102, 0.7);
  animation: none;
}
.wa-fab:hover .wa-fab-label { max-width: 200px; opacity: 1; margin-left: 10px; margin-right: 6px; }
@keyframes waPulse {
  0% { box-shadow: 0 14px 34px -8px rgba(37,211,102,0.6), 0 0 0 0 rgba(37,211,102,0.5); }
  70% { box-shadow: 0 14px 34px -8px rgba(37,211,102,0.6), 0 0 0 16px rgba(37,211,102,0); }
  100% { box-shadow: 0 14px 34px -8px rgba(37,211,102,0.6), 0 0 0 0 rgba(37,211,102,0); }
}
@media (prefers-reduced-motion: reduce) { .wa-fab { animation: none; } }

/* ---------- PWA install toast ---------- */
.install-toast {
  position: fixed;
  left: 50%; bottom: 24px;
  transform: translate(-50%, 140%);
  z-index: 200;
  display: flex; align-items: center; gap: 1rem;
  background: var(--surface-2);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-md);
  padding: 0.9rem 1rem 0.9rem 1.2rem;
  box-shadow: var(--shadow-md);
  max-width: calc(100vw - 32px);
  transition: transform var(--dur) var(--ease-out);
}
.install-toast.show { transform: translate(-50%, 0); }
.install-toast .it-text { font-size: var(--text-sm); }
.install-toast .it-text b { color: var(--text); }
.install-toast button { white-space: nowrap; }
.install-toast .it-close {
  background: none; border: 0; color: var(--text-muted);
  cursor: pointer; font-size: 1.2rem; line-height: 1; padding: 4px;
}
