/* ДentaЛюкс — мінімалізм */

:root {
  --bg: #fafafa;
  --bg-alt: #f0f4f8;
  --ink: #1b2a41;
  --muted: #5a6b7d;
  --accent: #0284c7;
  --accent-dark: #0369a1;
  --border: rgba(27, 42, 65, 0.12);
  --error: #b42318;
  --success: #067647;
  --radius: 16px;
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --shadow: 0 8px 32px rgba(27, 42, 65, 0.06);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}

img, iframe { max-width: 100%; display: block; }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.skip-link {
  position: absolute; top: -100%; left: 1rem; z-index: 999;
  padding: .75rem 1rem; background: var(--accent); color: #fff; border-radius: 8px;
}
.skip-link:focus { top: 1rem; }

.container { width: min(1080px, calc(100% - 2rem)); margin-inline: auto; }
.container--narrow { width: min(680px, calc(100% - 2rem)); margin-inline: auto; }
.section { padding-block: clamp(3rem, 8vw, 5.5rem); }
.section--alt { background: var(--bg-alt); }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  margin: 0 0 2rem;
  letter-spacing: -0.02em;
}
.eyebrow { font-size: .8125rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 0 0 1rem; }

.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 250, 250, .92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.logo { display: flex; align-items: center; gap: .5rem; font-family: var(--font-display); font-weight: 600; color: var(--ink); text-decoration: none; }
.logo__icon { width: 28px; height: 28px; border-radius: 8px; background: var(--ink); }
.nav__list { display: flex; gap: 1.25rem; list-style: none; margin: 0; padding: 0; }
.nav__list a { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .9375rem; }
.header__actions { display: flex; align-items: center; gap: 1rem; }
.header__phone { font-weight: 600; color: var(--ink); text-decoration: none; }
.nav__toggle { display: none; flex-direction: column; gap: 5px; border: none; background: none; padding: .5rem; cursor: pointer; }
.nav__toggle span { width: 22px; height: 2px; background: var(--ink); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .875rem 1.5rem; border: none; border-radius: 999px;
  font-family: var(--font-body); font-weight: 600; font-size: .9375rem; cursor: pointer;
  transition: transform .2s, box-shadow .2s;
}
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }
.btn--primary { background: var(--accent); color: #fff; box-shadow: var(--shadow); }
.btn--primary:hover:not(:disabled) { background: var(--accent-dark); transform: translateY(-2px); }
.btn--ghost { background: transparent; border: 1px solid var(--border); color: var(--ink); }
.btn--sm { padding: .625rem 1.125rem; font-size: .875rem; }
.btn--block { width: 100%; }
.btn__spinner { width: 1rem; height: 1rem; border: 2px solid rgba(255,255,255,.3); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%); }
.hero__grid { display: grid; gap: 2.5rem; align-items: center; }
.hero h1 { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 600; line-height: 1.1; margin: 0 0 1rem; letter-spacing: -0.03em; }
.hero__lead { color: var(--muted); max-width: 48ch; margin: 0 0 1.5rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 1.5rem; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 1rem; list-style: none; margin: 0; padding: 0; font-size: .875rem; color: var(--muted); }
.hero__trust svg { width: 1rem; height: 1rem; color: var(--accent); vertical-align: -2px; margin-right: .25rem; }
.hero__form-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }
.hero__form-label { font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 .75rem; }

.grid-4 { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.grid-3 { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.card, .price-card, .review { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; }
.card svg { width: 1.5rem; height: 1.5rem; color: var(--accent); margin-bottom: .75rem; }
.card h3, .price-card h3 { font-family: var(--font-display); font-size: 1.0625rem; margin: 0 0 .375rem; }
.card p, .price-card p { margin: 0; color: var(--muted); font-size: .9375rem; }
.price-card strong { display: block; margin-top: .75rem; font-size: 1.125rem; color: var(--accent); }

.steps { display: grid; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
.steps li { position: relative; padding-left: 3.5rem; }
.steps span { position: absolute; left: 0; top: 0; font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; color: rgba(2,132,199,.25); }
.steps h3 { margin: 0 0 .25rem; font-size: 1.0625rem; }
.steps p { margin: 0; color: var(--muted); font-size: .9375rem; }

.review__head { display: flex; gap: .75rem; align-items: center; margin-bottom: .75rem; }
.avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-size: .75rem; font-weight: 700; }
.stars { color: #d4a017; font-size: .8125rem; }
.review p { margin: 0; color: var(--muted); font-size: .9375rem; }

.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin: 2rem 0 0; }
.stats div { text-align: center; padding: 1rem; background: #fff; border-radius: var(--radius); border: 1px solid var(--border); }
.stats dt { font-family: var(--font-display); font-size: 1.75rem; font-weight: 600; color: var(--accent); }
.stats dd { margin: .25rem 0 0; font-size: .8125rem; color: var(--muted); }

.order__wrap { display: grid; gap: 2rem; }
.form-panel { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.form__honeypot { position: absolute; left: -9999px; }
.form__group { margin-bottom: 1rem; }
.form__group label { display: block; font-size: .875rem; font-weight: 600; margin-bottom: .375rem; }
.form__group input, .form__group select, .form__group textarea {
  width: 100%; padding: .75rem; border: 1px solid var(--border); border-radius: 10px;
  font-family: var(--font-body); font-size: 1rem;
}
.form__group input:focus, .form__group select:focus, .form__group textarea:focus {
  border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px rgba(2,132,199,.15);
}
.form__group.is-valid input, .form__group.is-valid select { border-color: var(--success); }
.form__group.is-invalid input, .form__group.is-invalid select { border-color: var(--error); }
.form__group--check { display: flex; flex-wrap: wrap; gap: .5rem; align-items: flex-start; }
.form__group--check input { width: auto; margin-top: .2rem; }
.form__group--check label { flex: 1; font-weight: 400; margin: 0; }
.form__error { display: block; font-size: .8125rem; color: var(--error); min-height: 1.25rem; }
.form__global-error { color: var(--error); font-size: .875rem; }
.form-success { text-align: center; padding: 2rem 1rem; }
.form-success svg { width: 3rem; height: 3rem; color: var(--success); margin-bottom: 1rem; }

.faq__item { background: #fff; border: 1px solid var(--border); border-radius: 10px; margin-bottom: .5rem; }
.faq__item summary { padding: 1rem 1.25rem; font-weight: 600; cursor: pointer; list-style: none; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item p { margin: 0; padding: 0 1.25rem 1rem; color: var(--muted); font-size: .9375rem; }

.contacts__grid { display: grid; gap: 2rem; }
.contacts__list { list-style: none; margin: 0; padding: 0; }
.contacts__list li { display: flex; gap: .5rem; margin-bottom: .75rem; font-size: .9375rem; }
.contacts__list svg { width: 1.125rem; color: var(--accent); flex-shrink: 0; }
.contacts__map iframe { width: 100%; height: 260px; border: 0; border-radius: var(--radius); }

.footer { padding: 1.5rem 0; background: var(--ink); color: rgba(255,255,255,.75); font-size: .875rem; }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; align-items: center; }
.footer nav { display: flex; gap: 1.25rem; }
.footer a { color: #bae6fd; text-decoration: none; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (min-width: 640px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 768px) {
  .hero__grid { grid-template-columns: 1.1fr .9fr; }
  .order__wrap { grid-template-columns: 1fr 1.1fr; align-items: start; }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .steps li { padding-left: 0; padding-top: 3rem; }
  .steps span { top: 0; left: 0; }
  .contacts__grid { grid-template-columns: 1fr 1.2fr; }
}
@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 767px) {
  .nav__toggle { display: flex; }
  .nav__list {
    position: fixed; inset: 72px 0 auto; flex-direction: column; background: var(--bg);
    padding: 1rem; border-bottom: 1px solid var(--border);
    transform: translateY(-120%); opacity: 0; pointer-events: none; transition: .3s;
  }
  .nav__list.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .header__phone, .header__actions .btn--sm { display: none; }
}