/*
Theme Name: TG Ads Landing
Author: друг
Version: 1.0.0
Description: Лёгкая тема под лендинг «агрегатор рекламы в Telegram».
Text Domain: tg-ads-landing
*/

:root{
  --bg:#ffffff;
  --ink:#0f172a;
  --ink-2:#334155;
  --muted:#64748b;
  --pri:#2f6bff;
  --pri-ink:#ffffff;
  --ok:#22c55e;
  --warn:#f59e0b;
  --card:#ffffff;
  --line:#e5e7eb;
  --line-2:#eef2f7;
  --radius:16px;
  --shadow:0 6px 20px rgba(15,23,42,.06);
  --max:1160px;
  --sp: clamp(12px, 1.5vw, 16px);
}

/* Base */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0; background:var(--bg); color:var(--ink);
  font:400 16px/1.6 ui-sans-serif,system-ui,-apple-system,Segoe UI,Inter,Roboto,Arial,sans-serif;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;}
img{max-width:100%; height:auto; display:block}
a{color:var(--pri); text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--pri); outline-offset:2px; border-radius:8px;
}

/* Layout/Type */
.wrap{max-width:var(--max); margin-inline:auto; padding:24px clamp(12px,3vw,20px)}
section{padding-block:calc(var(--sp)*2); border-top:1px solid var(--line-2)}
h1,h2,h3{margin:0 0 10px}
h1{font-weight:900; letter-spacing:.2px; font-size:clamp(32px,3.4vw,48px); line-height:1.12}
h2{font-weight:800; font-size:clamp(24px,2.6vw,34px)}
h3{font-weight:700; font-size:18px}
.muted{color:var(--muted)}
.tagline{color:var(--ink-2)}

/* Header / topnav */
.topnav{
  position:sticky; top:0; z-index:10;
  backdrop-filter:saturate(1.05) blur(8px);
  background:rgba(255,255,255,.86);
  border-bottom:1px solid var(--line);
}
.topnav-inner{display:flex; align-items:center; justify-content:space-between; gap:12px}
.logo{display:inline-flex; align-items:center; gap:10px; font-weight:900; letter-spacing:.2px; color:var(--ink)}
.logo-dot{width:10px; height:10px; border-radius:50%; background:var(--ok); box-shadow:0 0 10px rgba(34,197,94,.6)}
.menu{display:flex; gap:8px 14px; flex-wrap:wrap}
.menu a{display:inline-flex; align-items:center; justify-content:center; height:40px; padding:0 14px; color:#1f2937;
  border:1px solid transparent; border-radius:999px; background:transparent; transition:background .18s ease,border-color .18s ease,transform .15s ease;}
.menu a:hover{background:#f3f6ff; border-color:#dbe3ff}
.menu a:active{transform:translateY(1px)}

/* Hero */
.hero{display:grid; gap:clamp(16px,2.6vw,28px); grid-template-columns:1.15fr .85fr; align-items:center; padding-block:clamp(28px,4vw,40px)}
.kicker{text-transform:uppercase; font:600 12px/1.2 inherit; color:#93a3b8; letter-spacing:.14em; margin-bottom:8px}
.hero img{border-radius:calc(var(--radius) + 2px); border:1px solid var(--line); box-shadow:var(--shadow)}
.cta{display:flex; gap:10px 12px; flex-wrap:wrap; margin-top:16px}
.btn{display:inline-flex; align-items:center; justify-content:center; gap:8px; height:46px; padding:0 20px; border-radius:12px; cursor:pointer; user-select:none;
  border:1px solid #1f5bff; background:var(--pri); color:var(--pri-ink); box-shadow:0 8px 20px rgba(47,107,255,.20); transition:transform .1s ease, box-shadow .2s ease, opacity .2s ease;}
.btn:hover{box-shadow:0 10px 26px rgba(47,107,255,.25)}
.btn:active{transform:translateY(1px)}
.btn.sec{background:#ffffff; color:var(--pri); border:1px solid #cdd9ff; box-shadow:none}
.btn.sec:hover{background:#f3f6ff}
.badges{display:flex; gap:8px 12px; flex-wrap:wrap; margin-top:12px}
.badge{font-size:12px; color:#065f46; background:#ecfdf5; border:1px solid #bbf7d0; padding:6px 10px; border-radius:999px}
.badge.warn{color:#8a4b00; background:#fff7ed; border-color:#fde68a}

/* Grids / Cards */
.grid{display:grid; grid-template-columns:repeat(12,1fr); gap:16px}
.card{grid-column:span 4; background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:16px; box-shadow:var(--shadow);
  transition:transform .18s ease, box-shadow .2s ease, border-color .2s ease;}
.card:hover{transform:translateY(-2px); box-shadow:0 12px 28px rgba(15,23,42,.10); border-color:#d7def0}
.card p{color:var(--ink-2); margin:0 0 10px}
.meta{display:flex; flex-wrap:wrap; gap:8px 12px; font-size:13px; color:var(--muted)}
.price{font-weight:800; color:#111827}
.list{display:grid; gap:6px; color:var(--ink-2); padding:0; margin:0}
.list li{list-style:none; display:flex; gap:10px; align-items:flex-start}
.catalog .card{display:flex; flex-direction:column; gap:10px; min-height:232px}

.not-found{padding:56px 0}
.not-found h1{font-size:32px;line-height:1.2;margin:0 0 8px}
.not-found .tagline{color:#657084;max-width:720px}

/* Sticky footer layout */
html, body { height: 100%; }
body {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}
main { flex: 1 0 auto; }           /* основное содержимое растягивается */
.site-footer { margin-top: auto; }  /* футер уезжает к низу */

html { scroll-behavior: smooth; }

/* ========== FORM (Быстрая заявка) ========== */
.contacts .card form{
  display:grid;
  gap:12px;
}

.contacts .card form input,
.contacts .card form textarea{
  width:100%;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--ink);
  font:inherit;
  transition:border-color .15s ease, box-shadow .15s ease, background-color .15s ease;
}

.contacts .card form textarea{
  min-height:130px;
  resize:vertical;
}

/* placeholder */
.contacts .card form input::placeholder,
.contacts .card form textarea::placeholder{
  color:#9aa6b2;
}

/* focus */
.contacts .card form input:focus,
.contacts .card form textarea:focus{
  border-color:#b9c7ff;
  box-shadow:0 0 0 3px rgba(47,107,255,.15);
  outline:0;
}

/* states */
.contacts .card form input:required:user-invalid,
.contacts .card form textarea:required:user-invalid{
  border-color:#ef4444;
  box-shadow:0 0 0 3px rgba(239,68,68,.12);
}
.contacts .card form input:user-valid,
.contacts .card form textarea:user-valid{
  border-color:#c8ead5;
}

/* checkbox agree */
.contacts .card form .agree{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--ink-2);
  margin-top:6px;
}
.contacts .card form .agree input[type="checkbox"]{
  /* красивее быстро и кросс-браузерно */
  accent-color: var(--pri);
  width:18px; height:18px;
  margin-top:2px;
}

/* кнопка формы – во всю ширину карточки */
.contacts .card form .btn{
  width:100%;
  height:48px;
  font-weight:600;
}

/* мелкие улучшения для типов полей */
.contacts .card form input[type="tel"]{
  letter-spacing:.02em;
}
.contacts .card form input[type="email"]{
  direction:ltr;
}

/* подписи/ошибки (если добавишь <small class="field-error">) */
.contacts .card form .field-error{
  color:#ef4444;
  font-size:12px;
  margin-top:-6px;
}

/* мобильные правки */
@media (max-width:640px){
  .contacts .cols{display:grid; gap:14px}
  .contacts .card{padding:14px}
  .contacts .card form{gap:10px}
}