/* ═══════════════════════════════════════════════════════════════
   VIMORA KI — style.css
   ═══════════════════════════════════════════════════════════════ */

/* ── 1. CSS VARIABLES ──────────────────────────────────────────── */
:root {
  --accent:       #2563eb;
  --accent-hover: #1d4ed8;
  --accent-glow:  rgba(37, 99, 235, 0.25);
  --radius:       12px;
  --radius-lg:    20px;
  --transition:   0.25s ease;
  --font:         'Inter', system-ui, sans-serif;
}

[data-theme="dark"] {
  --bg:         #0d1117;
  --surface:    #161b22;
  --card:       #1c2333;
  --card-hover: #212d3f;
  --border:     rgba(255,255,255,0.08);
  --text:       #e6edf3;
  --text-soft:  #c9d1d9;
  --muted:      #8b949e;
  --navbar-bg:  rgba(13,17,23,0.72);
}

[data-theme="light"] {
  --bg:         #f0f4f8;
  --surface:    #ffffff;
  --card:       #ffffff;
  --card-hover: #f1f5f9;
  --border:     rgba(0,0,0,0.08);
  --text:       #1e293b;
  --text-soft:  #334155;
  --muted:      #64748b;
  --navbar-bg:  rgba(240,244,248,0.78);
}

/* ── 2. RESET & BASE ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

html.noscroll,
html.noscroll body {
  overflow: hidden !important;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── 3. SIDEBAR ────────────────────────────────────────────────── */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(2px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.sidebar-overlay.open { opacity: 1; pointer-events: all; }

.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: 270px;
  height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  z-index: 300;
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 4px 0 32px rgba(0,0,0,0.25);
}
.sidebar.open { transform: translateX(0); }

.sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 20px 24px;
  border-bottom: 1px solid var(--border);
}

.sidebar__close {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  transition: color var(--transition), background var(--transition);
}
.sidebar__close:hover { color: var(--text); background: var(--card); }

.sidebar__nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-soft);
  transition: background var(--transition), color var(--transition);
}
.sidebar__link:hover { background: var(--card); color: var(--text); }
.sidebar__link--active { background: var(--card); color: var(--accent); }

.sidebar__footer {
  padding: 16px 12px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
}

.sidebar__toggle {
  flex: 1;
  justify-content: center;
}

/* ── 4. NAVBAR ─────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 32px;
  transition: background 0.35s ease, backdrop-filter 0.35s ease,
              border-color 0.35s ease, box-shadow 0.35s ease;
}

.navbar:not(.scrolled) {
  background: rgba(13,17,23,0.4);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.navbar.scrolled {
  background: var(--navbar-bg);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 var(--border);
}

[data-theme="light"] .navbar.scrolled {
  box-shadow: 0 1px 0 rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.06);
}

[data-theme="light"] .navbar.scrolled .nav-link { color: var(--text-soft); }
[data-theme="light"] .navbar.scrolled .navbar__name { color: var(--text); }

.navbar__inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar__left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.sidebar-trigger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: 8px;
  transition: background var(--transition);
}
.sidebar-trigger:hover { background: rgba(255,255,255,0.12); }
.sidebar-trigger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: background var(--transition);
}

[data-theme="light"] .navbar.scrolled .sidebar-trigger span { background: var(--text); }
[data-theme="light"] .navbar.scrolled .sidebar-trigger:hover { background: rgba(0,0,0,0.07); }
[data-theme="light"] .navbar:not(.scrolled) .sidebar-trigger span { background: #ffffff; }

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.navbar__logo { width: 32px; height: 32px; object-fit: contain; }

.navbar__name {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  transition: color var(--transition);
}
[data-theme="dark"]  .navbar:not(.scrolled) .navbar__name,
[data-theme="light"] .navbar:not(.scrolled) .navbar__name { color: #ffffff; }

.navbar__name-a { color: var(--accent); }

.navbar__links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: #ffffff; background: rgba(255,255,255,0.1); }
.nav-link--active { color: #ffffff !important; background: rgba(255,255,255,0.12); }

.navbar.scrolled .nav-link { color: var(--muted); }
.navbar.scrolled .nav-link:hover { color: var(--text); background: var(--card); }
.navbar.scrolled .nav-link--active { color: var(--accent) !important; background: var(--accent-glow) !important; }

.navbar__controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 16px;
}

.btn-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.btn-toggle:hover { background: rgba(255,255,255,0.16); border-color: rgba(255,255,255,0.4); color: #ffffff; }

.navbar.scrolled .btn-toggle { border-color: var(--border); background: transparent; color: var(--text-soft); }
.navbar.scrolled .btn-toggle:hover { background: var(--card); border-color: var(--accent); color: var(--text); }

[data-theme="light"] .navbar:not(.scrolled) .btn-toggle { color: rgba(255,255,255,0.85); border-color: rgba(255,255,255,0.3); background: rgba(255,255,255,0.1); }
[data-theme="light"] .navbar:not(.scrolled) .btn-toggle:hover { color: #ffffff; border-color: rgba(255,255,255,0.55); background: rgba(255,255,255,0.18); }

.sidebar__toggle {
  border-color: var(--border) !important;
  background: transparent !important;
  color: var(--text-soft) !important;
}
.sidebar__toggle:hover {
  background: var(--card) !important;
  border-color: var(--accent) !important;
  color: var(--text) !important;
}

[data-theme="light"] .icon-moon { display: none; }
[data-theme="dark"]  .icon-sun  { display: none; }

/* ── 5. HERO ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: #0a0f1a;
  overflow: hidden;
}

/* Background image crossfade — "lights on" effect */
.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: opacity 0.55s ease, filter 0.55s ease;
}
.hero__bg--dark  { background-image: url('assets/bg-dark.jpg');  opacity: 1; filter: brightness(1); }
.hero__bg--light { background-image: url('assets/bg-light.jpg'); opacity: 0; filter: brightness(1); }

[data-theme="light"] .hero__bg--dark  { opacity: 0; filter: brightness(5); }
[data-theme="light"] .hero__bg--light { opacity: 1; filter: brightness(1); }

/* Gradient overlay on top of the image */
.hero__overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  transition: background 0.7s ease;
}
[data-theme="dark"]  .hero__overlay { background: linear-gradient(to bottom, rgba(13,17,23,0.3) 0%, rgba(13,17,23,0.5) 70%, rgba(13,17,23,1) 100%); }
[data-theme="light"] .hero__overlay { background: linear-gradient(to bottom, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.1) 60%, rgba(240,244,248,0.75) 88%, rgba(240,244,248,1) 100%); }

.hero__glow {
  position: absolute;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.18) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
  pointer-events: none;
}

.hero__glow::after {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
  bottom: -100px;
  right: -100px;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: 0 24px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(10,15,26,0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--accent);
  border: 1px solid rgba(37,99,235,0.45);
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 14px;
  margin-bottom: 24px;
  box-shadow: 0 0 12px rgba(37,99,235,0.2);
}

.hero__headline {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: #ffffff;
  text-shadow: 0 2px 24px rgba(0,0,0,0.5);
}

.hero__sub {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: rgba(255,255,255,0.72);
  max-width: 540px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.3);
  animation: bounce 2s infinite;
  z-index: 1;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ── 6. BUTTONS ────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: var(--accent);
  color: #ffffff;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
}
.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 0 24px var(--accent-glow); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(0); }

/* ── 7. SECTION SHARED ─────────────────────────────────────────── */
.section-title {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--text);
}

.section-sub {
  text-align: center;
  font-size: clamp(0.9rem, 1.8vw, 1rem);
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* ── 8. CARDS ──────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  background: var(--card-hover);
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.card__icon {
  width: 52px;
  height: 52px;
  background: var(--accent-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ── 9. SERVICES ───────────────────────────────────────────────── */
.services {
  padding: 80px 0 100px;
  background: var(--surface);
  transition: background var(--transition);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.service-card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ── 10. WHY ───────────────────────────────────────────────────── */
.why {
  padding: 80px 0 100px;
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.why-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: background var(--transition), border-color var(--transition);
}
.why-item:hover { background: var(--card-hover); border-color: rgba(37,99,235,0.3); }

.why-item__icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: var(--accent-glow);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.why-item h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.why-item p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ── 11. CONTACT ───────────────────────────────────────────────── */
.contact {
  padding: 80px 0 100px;
  background: var(--surface);
  transition: background var(--transition);
}

.contact-form {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-soft);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 11px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  outline: none;
  resize: none;
  transition: border-color var(--transition), background var(--transition);
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--muted); }
.form-field input:focus,
.form-field textarea:focus { border-color: var(--accent); background: var(--card-hover); }
.form-field input.error,
.form-field textarea.error { border-color: #ef4444; }

.contact-form .btn-primary {
  align-self: flex-start;
  padding: 13px 32px;
}

.contact-success {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.25);
  border-radius: var(--radius-lg);
}
.contact-success[hidden] { display: none; }
.contact-success span { font-size: 1.4rem; color: var(--accent); flex-shrink: 0; }
.contact-success p { font-size: 0.95rem; color: var(--text-soft); }

/* ── 12. FOOTER ────────────────────────────────────────────────── */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 36px 24px;
  transition: background var(--transition);
}

.footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer__brand { display: flex; align-items: center; gap: 10px; }

.footer__links { display: flex; gap: 24px; }
.footer__links a { font-size: 0.875rem; color: var(--muted); transition: color var(--transition); }
.footer__links a:hover { color: var(--text); }

.footer__copy { font-size: 0.8rem; color: var(--muted); }

/* ── 13. SCROLL REVEAL ──────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal .card:nth-child(1),
.reveal .why-item:nth-child(1) { transition-delay: 0.05s; }
.reveal .card:nth-child(2),
.reveal .why-item:nth-child(2) { transition-delay: 0.15s; }
.reveal .card:nth-child(3),
.reveal .why-item:nth-child(3) { transition-delay: 0.25s; }
.reveal .why-item:nth-child(4) { transition-delay: 0.3s; }

/* ── 14. CHAT WIDGET ────────────────────────────────────────────── */
.chat-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px rgba(37,99,235,0.45);
  z-index: 400;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.chat-fab:hover { background: var(--accent-hover); transform: scale(1.07); box-shadow: 0 6px 32px rgba(37,99,235,0.6); }

.chat-fab svg {
  position: absolute;
  transition: opacity 0.22s ease, transform 0.22s ease;
}
.chat-fab .icon-close { opacity: 0; transform: rotate(-90deg) scale(0.7); }
.chat-fab .icon-chat  { opacity: 1; transform: rotate(0deg) scale(1); }
.chat-fab.open .icon-chat  { opacity: 0; transform: rotate(90deg) scale(0.7); }
.chat-fab.open .icon-close { opacity: 1; transform: rotate(0deg) scale(1); }

.chat-panel {
  position: fixed;
  bottom: 96px;
  right: 28px;
  width: 340px;
  height: 480px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 16px 64px rgba(0,0,0,0.35);
  display: flex;
  flex-direction: column;
  z-index: 399;
  overflow: hidden;
  transform: translateY(20px) scale(0.95);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), opacity 0.22s ease;
  transform-origin: bottom right;
}
.chat-panel.open { transform: translateY(0) scale(1); opacity: 1; pointer-events: all; }

.chat-panel__header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  background: var(--accent);
  flex-shrink: 0;
}
.chat-panel__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.chat-panel__title strong { display: block; font-size: 0.9rem; font-weight: 600; color: #fff; }
.chat-panel__title span  { font-size: 0.75rem; color: rgba(255,255,255,0.78); }

.chat-disclaimer {
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
  padding: 7px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.chat-action-btn {
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  transition: background var(--transition), color var(--transition);
}
.chat-action-btn:hover { background: var(--accent); color: #fff; }
.chat-action-btn--primary { background: var(--accent); color: #fff; }
.chat-action-btn--primary:hover { background: var(--accent-hover); }

.chat-panel__messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
}
.chat-panel__messages::-webkit-scrollbar { width: 4px; }
.chat-panel__messages::-webkit-scrollbar-track { background: transparent; }
.chat-panel__messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.chat-msg { animation: msgIn 0.22s ease both; }
@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.chat-msg--bot  { align-self: flex-start; max-width: 85%; }
.chat-msg--user { align-self: flex-end;   max-width: 85%; }

.chat-msg__bubble {
  padding: 9px 13px;
  border-radius: 14px;
  font-size: 0.875rem;
  line-height: 1.5;
  word-break: break-word;
}
.chat-msg--bot  .chat-msg__bubble { background: var(--card); border: 1px solid var(--border); color: var(--text); border-bottom-left-radius: 4px; }
.chat-msg--user .chat-msg__bubble { background: var(--accent); color: #fff; border-bottom-right-radius: 4px; }

.chat-typing {
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  animation: msgIn 0.18s ease both;
}
.chat-typing span {
  width: 6px; height: 6px;
  background: var(--muted);
  border-radius: 50%;
  animation: typingDot 1.2s infinite ease-in-out;
}
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingDot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30%           { transform: translateY(-4px); opacity: 1; }
}

.chat-panel__input {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}
.chat-panel__input input {
  flex: 1;
  padding: 9px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--transition);
}
.chat-panel__input input::placeholder { color: var(--muted); }
.chat-panel__input input:focus { border-color: var(--accent); }
.chat-panel__input input:disabled { opacity: 0.45; cursor: not-allowed; }

.chat-send {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition), transform var(--transition);
}
.chat-send:hover { background: var(--accent-hover); transform: scale(1.08); }
.chat-send:disabled { opacity: 0.35; cursor: not-allowed; transform: none; }

/* ── 15. RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .services__grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .why__grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
}

@media (max-width: 640px) {
  .navbar__links { display: none; }
  .contact-form__row { grid-template-columns: 1fr; }
  .footer__inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer__links { flex-wrap: wrap; gap: 16px; }
  .chat-panel { right: 12px; left: 12px; width: auto; bottom: 88px; }
  .chat-fab { right: 16px; bottom: 16px; }
}

/* ── 15. WQHD SCALING ──────────────────────────────────────────── */
@media (min-width: 2100px) {
  html { font-size: 118.75%; }
}