/* ============================================================
   SMOCELL — Components: header, buttons, dock, footer, forms
   ============================================================ */

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: 0 var(--space-6);
  border-radius: var(--radius-pill);
  font-weight: 560;
  font-size: var(--t-body);
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition:
    transform var(--motion-fast) var(--ease-spring),
    background-color var(--motion-fast) var(--ease-out),
    box-shadow var(--motion-fast) var(--ease-out),
    color var(--motion-fast) var(--ease-out);
  will-change: transform;
}
.btn:active { transform: scale(0.97); }

.btn--primary {
  background: var(--c-ink);
  color: var(--c-bg);
}
.btn--primary:hover { background: #1A1D20; transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn--accent {
  background: var(--c-accent);
  color: var(--c-dark);
}
.btn--accent:hover { background: #17DECF; transform: translateY(-1px); box-shadow: var(--shadow-accent); }

.btn--ghost {
  background: transparent;
  color: var(--c-ink);
  box-shadow: inset 0 0 0 1px var(--c-line-strong);
}
.btn--ghost:hover { box-shadow: inset 0 0 0 1px var(--c-ink); transform: translateY(-1px); }

.on-dark .btn--ghost { color: var(--c-dark-ink); box-shadow: inset 0 0 0 1px var(--c-dark-line); }
.on-dark .btn--ghost:hover { box-shadow: inset 0 0 0 1px rgba(255,255,255,0.4); }
.on-dark .btn--primary { background: var(--c-dark-ink); color: var(--c-dark); }
.on-dark .btn--primary:hover { background: #FFFFFF; }

.btn--lg { min-height: 56px; padding: 0 var(--space-7); font-size: var(--t-body-lg); }
.btn--sm { min-height: 40px; padding: 0 var(--space-5); font-size: var(--t-small); }

.btn .btn-arrow { transition: transform var(--motion-fast) var(--ease-out); }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: var(--z-header);
  transition:
    background-color var(--motion-normal) var(--ease-out),
    box-shadow var(--motion-normal) var(--ease-out),
    backdrop-filter var(--motion-normal) var(--ease-out);
}
.site-header .container--wide {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  height: 76px;
  transition: height var(--motion-normal) var(--ease-out);
}
.site-header.is-scrolled {
  background: rgba(247, 248, 250, 0.78);
  -webkit-backdrop-filter: blur(var(--blur-nav)) saturate(1.6);
  backdrop-filter: blur(var(--blur-nav)) saturate(1.6);
  box-shadow: 0 1px 0 var(--c-line);
}
.site-header.is-scrolled .container--wide { height: 64px; }

/* Header over dark hero (business page) */
.site-header--dark.is-scrolled {
  background: rgba(8, 10, 12, 0.72);
  box-shadow: 0 1px 0 var(--c-dark-line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.28rem;
  letter-spacing: 0.01em;
}
.brand-mark {
  width: 30px; height: 30px;
  border-radius: 9px;
  background: var(--c-ink);
  display: grid;
  place-items: center;
  color: var(--c-accent);
  flex: none;
}
.on-dark .brand-mark, .site-header--dark .brand-mark { background: var(--c-dark-3); }
.brand-mark svg { width: 16px; height: 16px; }
.brand em { font-style: normal; color: var(--c-accent-ink); }
.site-header--dark .brand em, .on-dark .brand em { color: var(--c-accent); }

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-inline: auto;
}
.site-nav a {
  position: relative;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  font-size: var(--t-small);
  font-weight: 530;
  color: var(--c-ink-2);
  transition: color var(--motion-fast) var(--ease-out), background-color var(--motion-fast) var(--ease-out);
}
.site-nav a:hover { color: var(--c-ink); background: rgba(8, 9, 10, 0.05); }
.site-nav a[aria-current="page"] { color: var(--c-ink); }
.site-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 1px;
  width: 14px; height: 2px;
  border-radius: 2px;
  transform: translateX(-50%);
  background: var(--c-accent);
}
.site-header--dark .site-nav a { color: var(--c-dark-ink-2); }
.site-header--dark .site-nav a:hover { color: var(--c-dark-ink); background: rgba(255,255,255,0.07); }
.site-header--dark .site-nav a[aria-current="page"] { color: var(--c-dark-ink); }

.header-cta { flex: none; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  place-items: center;
  margin-left: auto;
}
.nav-toggle svg { width: 22px; height: 22px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

@media (max-width: 900px) {
  .site-nav, .header-cta { display: none; }
  .nav-toggle { display: grid; }
}

/* Mobile menu sheet */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-sheet);
  background: var(--c-bg);
  padding: 96px var(--layout-gutter) var(--space-7);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition:
    opacity var(--motion-normal) var(--ease-out),
    transform var(--motion-normal) var(--ease-out),
    visibility 0s linear var(--motion-normal);
}
.mobile-menu.is-open {
  opacity: 1; visibility: visible; transform: none;
  transition:
    opacity var(--motion-normal) var(--ease-out),
    transform var(--motion-normal) var(--ease-out);
}
.mobile-menu nav { display: flex; flex-direction: column; }
.mobile-menu nav a {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 6vw, 2.25rem);
  font-weight: 550;
  letter-spacing: var(--track-head);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--c-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mobile-menu nav a span.t-label { font-size: var(--t-label); }
.mobile-menu .mobile-menu-cta { margin-top: auto; padding-top: var(--space-6); display: grid; gap: var(--space-3); }

body.menu-open { overflow: hidden; }

/* ---------- Quick Action Dock ---------- */

.dock {
  position: relative;
  z-index: var(--z-dock);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: blur(var(--blur-glass)) saturate(1.5);
  backdrop-filter: blur(var(--blur-glass)) saturate(1.5);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-dock);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.dock-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-5) var(--space-5);
  border-left: 1px solid var(--c-line);
  position: relative;
  transition: background-color var(--motion-fast) var(--ease-out);
  min-height: 128px;
}
.dock-item:first-child { border-left: none; }
.dock-item:hover { background: rgba(8, 9, 10, 0.028); }
.dock-item::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 2px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--motion-normal) var(--ease-out);
}
.dock-item:hover::after { transform: scaleX(1); }

.dock-item .dock-icon {
  width: 34px; height: 34px;
  color: var(--c-ink);
  transition: color var(--motion-fast) var(--ease-out), transform var(--motion-fast) var(--ease-spring);
}
.dock-item:hover .dock-icon { color: var(--c-accent-ink); transform: translateY(-2px); }
.dock-item .dock-label {
  font-family: var(--font-display);
  font-weight: 570;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.dock-item .dock-label svg { width: 14px; height: 14px; opacity: 0; transform: translateX(-4px); transition: all var(--motion-fast) var(--ease-out); }
.dock-item:hover .dock-label svg { opacity: 1; transform: none; }
.dock-item .dock-copy { font-size: var(--t-small); color: var(--c-ink-3); line-height: 1.4; }

@media (max-width: 720px) {
  .dock { grid-template-columns: 1fr 1fr; }
  .dock-item { min-height: 112px; padding: var(--space-4); }
  .dock-item:nth-child(3) { border-left: none; }
  .dock-item:nth-child(n+3) { border-top: 1px solid var(--c-line); }
}

/* ---------- Cards / modules ---------- */

.module {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  transition:
    transform var(--motion-normal) var(--ease-out),
    box-shadow var(--motion-normal) var(--ease-out),
    border-color var(--motion-normal) var(--ease-out);
}
@media (hover: hover) {
  .module:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--c-line-strong); }
}

/* ---------- Forms ---------- */

.field { display: grid; gap: var(--space-2); }
.field label { font-size: var(--t-small); font-weight: 560; }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 52px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-line-strong);
  background: var(--c-surface);
  transition: border-color var(--motion-fast) var(--ease-out), box-shadow var(--motion-fast) var(--ease-out);
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--c-accent-soft);
}
.field .field-error { font-size: var(--t-small); color: var(--c-danger); display: none; }
.field.has-error input, .field.has-error select { border-color: var(--c-danger); }
.field.has-error .field-error { display: block; }
.field .field-hint { font-size: var(--t-small); color: var(--c-ink-3); }

/* Selectable option tiles (sell / repair / activate flows) */
.opt {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-4) var(--space-4);
  min-height: 64px;
  border-radius: var(--radius-md);
  border: 1px solid var(--c-line-strong);
  background: var(--c-surface);
  text-align: left;
  transition:
    border-color var(--motion-fast) var(--ease-out),
    background-color var(--motion-fast) var(--ease-out),
    transform var(--motion-fast) var(--ease-spring),
    box-shadow var(--motion-fast) var(--ease-out);
}
.opt:hover { border-color: var(--c-ink); transform: translateY(-1px); }
.opt:active { transform: scale(0.985); }
.opt[aria-pressed="true"], .opt.is-selected {
  border-color: var(--c-accent);
  background: var(--c-accent-soft);
  box-shadow: 0 0 0 1px var(--c-accent);
}
.opt .opt-check {
  position: absolute;
  top: var(--space-3); right: var(--space-3);
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--c-accent);
  color: var(--c-dark);
  display: grid;
  place-items: center;
  opacity: 0;
  transform: scale(0.5);
  transition: opacity var(--motion-fast) var(--ease-spring), transform var(--motion-fast) var(--ease-spring);
}
.opt .opt-check svg { width: 12px; height: 12px; }
.opt[aria-pressed="true"] .opt-check, .opt.is-selected .opt-check { opacity: 1; transform: scale(1); }
.opt .opt-title { font-weight: 580; letter-spacing: -0.01em; }
.opt .opt-sub { font-size: var(--t-small); color: var(--c-ink-3); line-height: 1.4; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--c-dark);
  color: var(--c-dark-ink);
  padding-block: var(--section-pad-sm) var(--space-6);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: var(--space-6);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--c-dark-line);
}
.footer-brand p { color: var(--c-dark-ink-2); max-width: 30ch; margin-top: var(--space-4); font-size: var(--t-small); }
.footer-col .t-label { display: block; margin-bottom: var(--space-4); }
.footer-col ul { list-style: none; padding: 0; display: grid; gap: var(--space-2); }
.footer-col li { color: var(--c-dark-ink-2); font-size: var(--t-small); line-height: 1.5; }
.footer-col a { color: var(--c-dark-ink-2); font-size: var(--t-small); transition: color var(--motion-fast) var(--ease-out); }
.footer-col a:hover { color: var(--c-accent); }
.footer-col .t-label { margin-top: 0; }
.footer-col ul + .t-label { display: block; margin-top: var(--space-5); margin-bottom: var(--space-3); }
.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-6);
  color: var(--c-dark-ink-3);
  font-size: var(--t-micro);
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ---------- Chat widget ---------- */

.chat-widget {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: var(--z-sheet);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
}
body:has(.flow-cta-bar) .chat-widget { bottom: 16px; }
@media (max-width: 980px) {
  body:has(.flow-cta-bar) .chat-widget { bottom: 96px; }
}

.chat-fab {
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--c-accent);
  color: var(--c-dark);
  display: grid;
  place-items: center;
  box-shadow: 0 8px 28px rgba(0, 205, 189, 0.45), var(--shadow-md);
  transition: transform var(--motion-fast) var(--ease-spring), box-shadow var(--motion-fast) var(--ease-out);
}
.chat-fab:hover { transform: translateY(-2px) scale(1.04); }
.chat-fab:active { transform: scale(0.95); }
.chat-fab svg { width: 26px; height: 26px; }
.chat-fab .icon-close-chat { display: none; }
.chat-fab[aria-expanded="true"] .icon-chat { display: none; }
.chat-fab[aria-expanded="true"] .icon-close-chat { display: block; }

.chat-panel {
  width: min(340px, calc(100vw - 32px));
  background: var(--c-surface);
  color: var(--c-ink);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-line);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform-origin: bottom right;
  animation: chat-in var(--motion-normal) var(--ease-spring);
}
@keyframes chat-in {
  from { opacity: 0; transform: translateY(10px) scale(0.96); }
  to   { opacity: 1; transform: none; }
}
.chat-head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--c-dark);
  color: var(--c-dark-ink);
}
.chat-head strong { font-family: var(--font-display); letter-spacing: 0.01em; display: block; }
.chat-head .chat-status { font-size: var(--t-micro); color: var(--c-dark-ink-2); display: flex; align-items: center; gap: 6px; }
.chat-head .chat-status::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c-accent);
}
.chat-head .chat-close {
  margin-left: auto;
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 50%;
  color: var(--c-dark-ink-2);
}
.chat-head .chat-close:hover { background: rgba(255,255,255,0.08); color: var(--c-dark-ink); }
.chat-body { padding: var(--space-4) var(--space-5) var(--space-5); display: grid; gap: var(--space-3); }
.chat-body > p { font-size: var(--t-small); color: var(--c-ink-2); margin-bottom: var(--space-1); }
.chat-action {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--radius-md);
  transition: border-color var(--motion-fast) var(--ease-out), transform var(--motion-fast) var(--ease-spring), background-color var(--motion-fast) var(--ease-out);
}
.chat-action:hover { border-color: var(--c-accent); background: var(--c-accent-soft); transform: translateY(-1px); }
.chat-action .ca-icon {
  flex: none;
  width: 38px; height: 38px;
  border-radius: 12px;
  background: var(--c-accent-soft);
  color: var(--c-accent-ink);
  display: grid;
  place-items: center;
}
.chat-action .ca-icon svg { width: 18px; height: 18px; }
.chat-action b { display: block; font-size: var(--t-small); font-weight: 600; }
.chat-action span { display: block; font-size: var(--t-micro); color: var(--c-ink-3); }
.chat-hours {
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--t-label);
  letter-spacing: 0.06em;
  color: var(--c-ink-3);
  padding-top: var(--space-2);
  border-top: 1px solid var(--c-line);
}

/* ---------- Device (CSS phone mockup) ---------- */

.device {
  --device-w: 230px;
  --wallpaper: radial-gradient(120% 90% at 30% 10%, #103C38 0%, #081E1F 45%, #05090C 100%);
  width: var(--device-w);
  aspect-ratio: 9 / 19;
  border-radius: calc(var(--device-w) * 0.16);
  background: linear-gradient(160deg, #2A2E33, #101215 60%);
  padding: calc(var(--device-w) * 0.028);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.16),
    0 30px 60px rgba(8,9,10,0.35);
  position: relative;
}
.device-screen {
  width: 100%; height: 100%;
  border-radius: calc(var(--device-w) * 0.135);
  background: var(--wallpaper);
  position: relative;
  overflow: hidden;
}
.device-screen::before { /* dynamic island */
  content: "";
  position: absolute;
  top: calc(var(--device-w) * 0.045);
  left: 50%;
  transform: translateX(-50%);
  width: calc(var(--device-w) * 0.30);
  height: calc(var(--device-w) * 0.082);
  border-radius: var(--radius-pill);
  background: #060708;
}
.device-screen::after { /* glass reflection */
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(255,255,255,0.10) 0%, rgba(255,255,255,0.02) 28%, transparent 45%);
  pointer-events: none;
}
.device-ui {
  position: absolute;
  inset: 0;
  padding: 18% 10% 10%;
  display: flex;
  flex-direction: column;
  color: rgba(255,255,255,0.92);
}