*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --color-orange:#ff8c00;
  --color-purple:#b07cd6;
  --color-purple-light:#c79ae8;
  --color-blue:#3498db;
  --color-green:#1a4d2e;
  --color-green-light:#2b6b45;
  --color-green-glow:rgba(26,77,46,.35);
  --color-orange-glow:rgba(255,140,0,.35);
  --color-blue-glow:rgba(52,152,219,.35);
  --color-white-glow:rgba(255,255,255,.65);
  --color-dark:#2c3e50;
  --color-text-muted:#5a6b7d;
  --shadow-sm:0 2px 8px rgba(0,0,0,.08);
  --shadow-md:0 6px 14px rgba(0,0,0,.15);
  --shadow-lg:0 10px 24px rgba(0,0,0,.2);
  --radius:12px;
  --transition:.25s cubic-bezier(.25,.8,.25,1);
}

html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}

body{
  font-family:system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  background:radial-gradient(circle at center,#f5f7fa 0%,#e0e4e8 100%);
  color:var(--color-dark);
  min-height:100dvh;
  display:flex;flex-direction:column;
  overflow-x:hidden;line-height:1.5;
  -webkit-font-smoothing:antialiased;
}

/* ---------- ШАПКА ---------- */
header{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:12px 20px;
  background:var(--color-green);color:#fff;
  box-shadow:0 4px 20px rgba(26,77,46,.25),0 8px 32px rgba(26,77,46,.15);
  position:sticky;top:0;z-index:100;
  padding-top:max(12px,env(safe-area-inset-top));
  border-bottom-left-radius:24px;border-bottom-right-radius:24px;
}
.info-block{font-size:clamp(.85rem,2.5vw,1rem);font-weight:500;white-space:nowrap}
#temp-display{color:var(--color-orange);font-weight:800;text-shadow:0 0 12px var(--color-orange-glow)}
.time-display{color:var(--color-purple-light);font-weight:800;letter-spacing:.5px;font-variant-numeric:tabular-nums;text-shadow:0 0 12px rgba(199,154,232,.5)}

/* ---------- ШЕСТЕРЁНКА-ВХОД В АДМИНКУ ---------- */
#admin-gear{
  position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);
  color:rgba(255,255,255,.3);
  z-index:101;
  padding:8px;border-radius:50%;
  transition:color var(--transition),transform var(--transition);
}
#admin-gear:hover{
  color:#fff;
  transform:translate(-50%,-50%) rotate(30deg);
}
@media (max-width:480px){
  #admin-gear{color:rgba(255,255,255,.22)}
}

/* ---------- ОСНОВНОЙ КОНТЕНТ ---------- */
main{
  flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;
  text-align:center;padding:24px 16px;gap:18px;position:relative;
}

h1{
  font-size:clamp(1.3rem,4.5vw,2rem);font-weight:700;line-height:1.25;
  max-width:700px;color:var(--color-dark);
  text-shadow:0 0 12px var(--color-white-glow);
}
h1 .brand-name{color:var(--color-blue)}

.subtitle{
  font-size:clamp(.95rem,2.5vw,1.15rem);color:var(--color-text-muted);
  max-width:600px;text-shadow:0 0 8px var(--color-white-glow);
}

/* ---------- ФОРМА ВОПРОСА К ИИ ---------- */
.ai-form{
  display:flex;align-items:stretch;gap:10px;
  width:100%;max-width:640px;margin:4px auto 0;
}
.ai-input{
  flex:1 1 auto;min-width:0;
  padding:14px 18px;
  border-radius:var(--radius);
  border:2px solid rgba(26,77,46,.25);
  background:#fff;
  color:var(--color-dark);
  font-family:inherit;
  font-size:clamp(.95rem,2.5vw,1.05rem);
  box-shadow:var(--shadow-sm);
  transition:border-color var(--transition),box-shadow var(--transition);
  -webkit-appearance:none;appearance:none;
}
.ai-input::placeholder{color:#8a99a8}
.ai-input:focus{
  outline:none;
  border-color:var(--color-green);
  box-shadow:var(--shadow-md),0 0 0 4px var(--color-green-glow);
}
.ai-input:disabled{opacity:.6;cursor:wait}

.ai-button{
  flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--color-blue);color:#fff;
  padding:14px 26px;border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.25);
  font-family:inherit;font-weight:600;
  font-size:clamp(.9rem,2.4vw,1rem);
  cursor:pointer;
  box-shadow:var(--shadow-md),0 0 20px var(--color-blue-glow);
  transition:background var(--transition),transform var(--transition),box-shadow var(--transition),opacity var(--transition);
  min-height:52px;white-space:nowrap;
  -webkit-user-select:none;user-select:none;
}
.ai-button:hover{
  background:#2980b9;transform:translateY(-2px);
  box-shadow:var(--shadow-lg),0 0 32px var(--color-blue-glow);
}
.ai-button:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.ai-button:focus-visible{outline:3px solid var(--color-orange);outline-offset:3px}
.ai-button:disabled{opacity:.65;cursor:wait;transform:none}
.ai-button svg{flex-shrink:0}

/* ---------- ОБЩИЙ СТИЛЬ ДЛЯ КНОПОК ---------- */
.cta-button,
.contract-button{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:var(--color-green);color:#fff;text-decoration:none;
  padding:16px 36px;border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.25);
  font-weight:600;font-size:clamp(1rem,2.5vw,1.15rem);
  cursor:pointer;
  box-shadow:var(--shadow-md),0 0 20px var(--color-green-glow);
  transition:background var(--transition),transform var(--transition),box-shadow var(--transition);
  min-width:220px;min-height:56px;position:relative;overflow:hidden;
  -webkit-user-select:none;user-select:none;
  will-change:transform;
}
.cta-button::after,
.contract-button::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at center,rgba(255,255,255,.3) 0%,transparent 70%);
  opacity:0;transition:opacity var(--transition);
}
.cta-button:hover,
.contract-button:hover{
  background:var(--color-green-light);transform:translateY(-3px);
  box-shadow:var(--shadow-lg),0 0 32px var(--color-green-glow);
}
.cta-button:hover::after,
.contract-button:hover::after{opacity:1}
.cta-button:active,
.contract-button:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.cta-button:focus-visible,
.contract-button:focus-visible{outline:3px solid var(--color-orange);outline-offset:3px}

/* ---------- КНОПКА ВКОНТАКТЕ ---------- */
.vk-button{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:#0077FF;color:#fff;text-decoration:none;
  padding:16px 36px;border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.25);
  font-weight:600;font-size:clamp(1rem,2.5vw,1.15rem);
  cursor:pointer;
  box-shadow:var(--shadow-md),0 0 20px rgba(0,119,255,.35);
  transition:background var(--transition),transform var(--transition),box-shadow var(--transition);
  min-width:220px;min-height:56px;
  -webkit-user-select:none;user-select:none;
  will-change:transform;
}
.vk-button:hover{
  background:#0066DD;transform:translateY(-3px);
  box-shadow:var(--shadow-lg),0 0 32px rgba(0,119,255,.5);
}
.vk-button:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.vk-button:focus-visible{outline:3px solid var(--color-orange);outline-offset:3px}
.vk-button svg{flex-shrink:0}

/* ---------- РЯД КНОПОК ПОД ЦЕНТРОМ ---------- */
.action-buttons{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:stretch;
  gap:16px;margin-top:8px;
}
.contract-button svg{
  flex-shrink:0;
  color:var(--color-orange);
  filter:drop-shadow(0 0 6px var(--color-orange-glow));
}

/* ---------- ЗМЕЙКА ---------- */
.snake-canvas{
  display:block;
  width:clamp(170px,38vw,240px);
  height:clamp(170px,38vw,240px);
  margin:4px 0;
  border-radius:var(--radius);
  background:
    radial-gradient(circle at 50% 50%, #f7faf8 0%, #eaf1ec 100%);
  box-shadow:
    0 0 0 1px rgba(26,77,46,.08),
    0 6px 20px rgba(26,77,46,.15),
    inset 0 0 40px rgba(26,77,46,.05);
  image-rendering:pixelated;
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}

/* ---------- СЕКЦИИ ---------- */
.section-wrapper{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));
  gap:24px;
  background:#fff;padding:28px 20px;
  box-shadow:0 -6px 24px rgba(0,0,0,.06);
  width:100%;max-width:1120px;margin:0 auto;
  border-radius:var(--radius) var(--radius) 0 0;
}
.section h3{
  color:var(--color-green);font-weight:700;
  font-size:clamp(1.05rem,3vw,1.2rem);margin-bottom:12px;
  text-shadow:0 0 10px var(--color-white-glow);
}
.services-list,.contacts-list{list-style:none;display:flex;flex-direction:column;gap:8px}
.services-list li{
  color:#4a5a6a;position:relative;padding-left:20px;font-size:.95rem;
  transition:color var(--transition),transform var(--transition);
}
.services-list li:hover{color:var(--color-green);transform:translateX(4px)}
.services-list li::before{
  content:'•';color:var(--color-orange);position:absolute;left:0;
  font-weight:700;font-size:1.1em;line-height:1.4;
}
.contacts-list li{color:#4a5a6a;font-size:.95rem}
.contact-link{
  color:var(--color-orange);text-decoration:none;font-weight:600;
  transition:color var(--transition),text-shadow var(--transition);
}
.contact-link:hover,.contact-link:focus-visible{
  color:#e07b00;text-decoration:underline;text-shadow:0 0 12px var(--color-orange-glow);
}

/* ---------- ПОДВАЛ ---------- */
.secret-files-link{
  display:inline-block;
  text-decoration:none;
  font-size:1rem;
  margin-right:8px;
  opacity:.15;
  transition:opacity .25s,transform .25s;
  cursor:pointer;
  filter:grayscale(1);
}
.secret-files-link:hover{
  opacity:1;
  filter:grayscale(0);
  transform:scale(1.3);
}
.secret-files-link:focus-visible{
  opacity:1;
  outline:2px solid var(--color-orange);
  outline-offset:2px;
  border-radius:4px;
}
footer{
  padding:12px 20px;
  padding-right:max(20px,env(safe-area-inset-right));
  padding-bottom:max(12px,env(safe-area-inset-bottom));
  background:rgba(26,77,46,.95);
  color:rgba(255,255,255,.85);
  font-size:.8rem;line-height:1.4;text-align:right;
}

/* ---------- CPU-ДАТЧИК В ЛЕВОМ НИЖНЕМ УГЛУ ---------- */
#cpu-monitor{
  position:fixed;
  left:max(12px,env(safe-area-inset-left));
  bottom:max(12px,env(safe-area-inset-bottom));
  z-index:90;
  display:flex;align-items:center;gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(26,77,46,.85);
  color:#fff;
  font-size:.75rem;font-weight:600;
  font-variant-numeric:tabular-nums;
  box-shadow:0 4px 16px rgba(0,0,0,.25);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.15);
  transition:opacity .3s,transform .3s;
  pointer-events:auto;
  cursor:default;
  user-select:none;
}
#cpu-monitor[hidden]{display:none}
#cpu-monitor .cpu-label{opacity:.75;font-weight:500;letter-spacing:.3px}
#cpu-monitor .cpu-value{color:var(--color-orange);min-width:38px;text-align:right}
#cpu-monitor .cpu-bar{
  width:44px;height:6px;border-radius:3px;
  background:rgba(255,255,255,.15);overflow:hidden;
}
#cpu-monitor .cpu-bar-fill{
  height:100%;width:0%;border-radius:3px;
  background:linear-gradient(90deg,#5ecf8e,#ff8c00 70%,#e74c3c);
  transition:width .6s ease;
}
#cpu-monitor.warn{background:rgba(180,80,0,.9)}
#cpu-monitor.critical{background:rgba(160,30,30,.92);animation:cpu-critical 1.2s ease-in-out infinite}
@keyframes cpu-critical{0%,100%{transform:scale(1)}50%{transform:scale(1.04)}}

/* ---------- МОДАЛЬНОЕ ОКНО ОТВЕТА ИИ ---------- */
.modal-overlay{
  position:fixed;inset:0;z-index:200;
  display:flex;align-items:center;justify-content:center;
  padding:20px;
  background:rgba(20,30,40,.55);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  opacity:0;pointer-events:none;
  transition:opacity .25s ease;
}
.modal-overlay.open{opacity:1;pointer-events:auto}
.modal-overlay[hidden]{display:none}

.modal{
  width:100%;max-width:620px;max-height:85dvh;
  display:flex;flex-direction:column;
  background:#fff;color:var(--color-dark);
  border-radius:18px;
  box-shadow:0 24px 64px rgba(0,0,0,.35);
  overflow:hidden;
  transform:translateY(16px) scale(.98);
  transition:transform .25s cubic-bezier(.25,.8,.25,1);
}
.modal-overlay.open .modal{transform:translateY(0) scale(1)}

.modal-header{
  display:flex;align-items:center;gap:10px;
  padding:16px 20px;
  background:var(--color-green);color:#fff;
  border-bottom:1px solid rgba(255,255,255,.15);
  flex-shrink:0;
}
.modal-header h2{
  font-size:1.05rem;font-weight:700;letter-spacing:.2px;
}
.modal-header svg{flex-shrink:0;color:var(--color-orange)}

.modal-body{
  padding:20px;
  overflow-y:auto;
  font-size:.95rem;line-height:1.65;
  white-space:pre-wrap;
  word-break:break-word;
  overscroll-behavior:contain;
}
.modal-body .modal-status{
  display:flex;align-items:center;gap:10px;
  color:var(--color-text-muted);font-style:italic;
}
.modal-body .modal-error{
  color:#c0392b;font-weight:600;
}
.modal-spinner{
  width:18px;height:18px;flex-shrink:0;
  border:2.5px solid rgba(26,77,46,.2);
  border-top-color:var(--color-green);
  border-radius:50%;
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.modal-footer{
  padding:14px 20px;
  border-top:1px solid rgba(0,0,0,.08);
  background:#f7f9fa;
  display:flex;justify-content:flex-end;
  flex-shrink:0;
}
.modal-close{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--color-green);color:#fff;
  padding:12px 32px;border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.25);
  font-family:inherit;font-weight:600;font-size:.95rem;
  cursor:pointer;
  box-shadow:var(--shadow-md),0 0 16px var(--color-green-glow);
  transition:background var(--transition),transform var(--transition),box-shadow var(--transition);
  min-height:48px;
}
.modal-close:hover{
  background:var(--color-green-light);transform:translateY(-2px);
  box-shadow:var(--shadow-lg),0 0 24px var(--color-green-glow);
}
.modal-close:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.modal-close:focus-visible{outline:3px solid var(--color-orange);outline-offset:3px}

/* ---------- МОБИЛЬНАЯ АДАПТАЦИЯ ---------- */
@media (max-width:480px){
  main{padding:16px 12px;gap:14px}
  .cta-button,
  .contract-button{width:100%;min-width:unset;padding:16px 24px}
  .action-buttons{flex-direction:column;width:100%;gap:12px}
  .ai-form{flex-direction:column;gap:10px}
  .ai-button{width:100%;padding:14px 20px}
  .snake-canvas{width:clamp(150px,55vw,200px);height:clamp(150px,55vw,200px)}
  .section-wrapper{padding:20px 16px;gap:20px;border-radius:0}
  header{padding:10px 16px;border-bottom-left-radius:20px;border-bottom-right-radius:20px}
  footer{font-size:.75rem}
  #cpu-monitor{font-size:.68rem;padding:6px 10px;gap:6px}
  #cpu-monitor .cpu-bar{width:32px}
  #cpu-monitor .cpu-label{display:none}
  .modal{max-height:90dvh;border-radius:16px}
  .modal-body{padding:16px;font-size:.9rem}
  .modal-close{width:100%}
}
@media (min-width:481px) and (max-width:768px){
  .section-wrapper{grid-template-columns:1fr;padding:24px 20px}
}

/* Тёмная тема */
@media (prefers-color-scheme:dark){
  body{background:radial-gradient(circle at center,#1e2a38 0%,#131a22 100%);color:#e8ecf0}
  .section-wrapper{background:#1b242e}
  .section h3{color:#5ecf8e}
  .services-list li,.contacts-list li{color:#b0bcc8}
  .subtitle{color:#9aaab8}
  h1{color:#f0f4f8}
  h1 .brand-name{color:#5dade2}
  .ai-input{background:#1b242e;color:#e8ecf0;border-color:rgba(94,207,142,.3)}
  .ai-input::placeholder{color:#7d8c9b}
  .modal{background:#1b242e;color:#e8ecf0}
  .modal-footer{background:#16202a;border-top-color:rgba(255,255,255,.08)}
  .modal-body .modal-status{color:#9aaab8}
  .modal-body .modal-error{color:#ff7b6b}
}