/* ===============================
   Базовые стили / Base styles
   =============================== */
:root {
  --accent: #14a99a;
  --accent-dark: #0b7b6c;
  --bg: #f7ffff;
  --card: #ffffff;
  --muted: #5e6a6a;
  --radius: 14px;
  --shadow: 0 8px 20px rgba(8, 60, 55, 0.08);
  --teal-50: #e6f9f8;
  --teal-100: #cff3f1;

  /* Шрифты */
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

html,
body {
  height: 100%;
  margin: 0;
  background: linear-gradient(180deg, var(--bg), #fff);
  color: #053033;
  scroll-behavior: smooth;
}

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

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

a {
  color: var(--accent);
  text-decoration: none;
}

.muted {
  color: var(--muted);
}

.small-muted {
  color: rgba(0, 0, 0, 0.45);
  font-size: 12px;
}

/* ===============================
   Шапка сайта / Header
   =============================== */
.site-header {
  background: linear-gradient(90deg, var(--teal-100), var(--teal-50));
  backdrop-filter: blur(4px);
  border-bottom: 1px solid rgba(20, 169, 154, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-right: 18px;
  background: #eafaf8;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(20, 169, 154, 0.08);
}

.logo img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  display: block;
}

.brand h1 {
  margin: 0;
  font-size: 18px;
}

.tag {
  margin: 2px 0 0;
  font-size: 13px;
  color: rgba(0, 0, 0, 0.55);
}

/* ===============================
   Навигация и кнопки
   =============================== */
.nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav a {
  font-weight: 600;
  font-size: 17px;
  white-space: nowrap;
}

.nav a:hover {
  transform: scale(1.05);
  transition: transform 0.3s ease;
}

.nav-close {
  display: none;
}

.btn {
  display: inline-block;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1.08em;
  text-align: center;
  cursor: pointer;
  box-sizing: border-box;
  width: 180px;
  padding: 12px 20px;
}

.btn-contact {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(20, 169, 154, 0.16);
}

.btn-contact:hover {
  background: var(--accent-dark);
  box-shadow: 0 10px 24px rgba(11, 123, 108, 0.2);
  transform: scale(1.05);
  transition: all 0.3s ease;
}

.btn-outline {
  background: #fff;
  border: 2px solid var(--accent);
  color: var(--accent);
  box-shadow: none;
}

.btn-outline:hover {
  background: rgba(20, 169, 154, 0.05);
  box-shadow: 0 6px 18px rgba(20, 169, 154, 0.12);
  transform: scale(1.05);
  transition: all 0.3s ease;
}

.btn-ghost {
  background-color: #1f9e8d;
  color: white;
  border-radius: 10px;
  padding: 8px 12px;
  white-space: nowrap;
  width: 190px;
}

/* ===============================
   Hero-блок
   =============================== */
.hero {
  padding: 48px 0;
  background: rgb(240, 240, 240);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 8px;
  align-items: start;
}

.hero-text h2 {
  font-size: 34px;
  margin: 0 0 14px;
  color: var(--accent-dark);
}

.hero-text p {
  color: #114040;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}

.imghero {
  max-width: 450px;
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(78, 84, 200, 0.10);
  background: #e0f7fa;
}

/* ===============================
   Презентация (вводный блок)
   =============================== */
.presentation-intro {
  width: 100%;
  background: #f7f9fa;
  padding: 20px 0 32px;
  margin-bottom: 0;
  display: none; /* Если нужно включить — уберите эту строку */
}

.presentation-intro__container {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.presentation-intro__title {
  font-size: 1.5em;
  font-weight: 700;
  margin-bottom: 8px;
  color: rgb(127, 127, 127);
}

.presentation-intro__subtitle {
  font-size: 1.08em;
  color: #444;
  margin-bottom: 28px;
}

.presentation-intro__actions {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.presentation-btn {
  background: #f7f9fa;
  color: #222;
  border: 2px solid #dbe5ea;
  border-radius: 12px;
  cursor: pointer;
  display: inline-block;
  font-weight: 500;
  font-size: 1.08em;
  padding: 16px 32px;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}

.presentation-btn:hover {
  background: #e9f2f7;
  border-color: #bcd2e2;
}

/* ===============================
   Общие секции
   =============================== */
.section {
  padding: 36px 0;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
}

/* ===============================
   Преимущества и процесс
   =============================== */
.services-grid {
  width: 100%;
  margin: 0 auto 48px;
  padding: 0 0 24px;
  background: #fff;
}

.services-title {
  text-align: left;
  font-size: 2.1em;
  font-weight: 700;
  margin: 40px 0 32px;
  color: #222;
  padding-left: 24px;
}

.services-features,
.services-process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px 0;
  justify-items: center;
  margin-bottom: 32px;
  padding: 0 32px;
}

.feature-block,
.process-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  min-width: 0;
  max-width: 220px;
}

.feature-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #e6f9f8;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(20, 169, 154, 0.08);
}

.feature-icon img {
  width: 74px;
  height: 74px;
  object-fit: contain;
}

.feature-title {
  font-size: 1.08em;
  font-weight: 700;
  color: #222;
  margin-top: 0;
}

.feature-desc {
  font-size: 0.98em;
  color: #444;
  line-height: 1.35;
  margin-top: 0;
}

/* ===============================
   О компании / About
   =============================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 22px;
  align-items: start;
  width: 100%;
}

.presentation-block {
  background: linear-gradient(180deg, rgba(20, 169, 154, 0.06), rgba(255, 255, 255, 0.6));
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 24px 18px;
  margin-bottom: 12px;
}

.presentation-block h3 {
  margin-top: 0;
  color: var(--accent);
  font-size: 1.5em;
  font-weight: 700;
}

.presentation-viewer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.presentation-viewer iframe {
  width: 100%;
  min-height: 320px;
  max-height: 520px;
  border-radius: 14px;
  border: 1px solid #e6f9f8;
  background: #fff;
  box-shadow: 0 8px 20px rgba(8, 60, 55, 0.08);
}

.presentation-actions {
  text-align: right;
  width: 100%;
}

.accent-btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 8px 18px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 1em;
  box-shadow: 0 2px 8px rgba(20, 169, 154, 0.08);
  transition: background 0.2s;
}

.accent-btn:hover {
  background: var(--accent-dark);
}

.list-check {
  list-style: none;
  padding: 0;
  margin-top: 12px;
  color: var(--muted);
}

.list-check li {
  position: relative;
  padding-left: 18px;
  margin: 8px 0;
}

.list-check li:before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ===============================
   Почему выбрать нас / Why card
   =============================== */
.why-card {
  background: linear-gradient(180deg, rgba(20, 169, 154, 0.06), rgba(255, 255, 255, 0.6));
  border-radius: 12px;
  padding: 18px;
}

.grid-why {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-top: 10px;
  align-items: flex-start;
  justify-content: flex-start;
}

.why-item {
  background: var(--card);
  border-radius: 12px;
  box-shadow: 0 6px 14px rgba(8, 60, 55, 0.04);
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  font-weight: 500;
  font-size: 0.8rem;
  line-height: 1.35;
  max-width: 1400px;
  min-width: 320px;
  margin-left: 24px;
  padding: 18px 18px 18px 0;
  transition: box-shadow 0.2s, transform 0.2s;
}

.why-item:hover {
  box-shadow: 0 10px 24px rgba(8, 60, 55, 0.1);
  transform: translateY(-4px);
}

.why-item-number {
  font-size: 2.1em;
  font-weight: 700;
  color: var(--accent);
  margin-right: 18px;
  flex-shrink: 0;
  line-height: 1;
}

.why-item-text {
  font-size: 1.08em;
  font-weight: 500;
  color: #053033;
  text-align: left;
}

/* Галочка согласия */
.consent-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95em;
  color: var(--muted);
  cursor: pointer;
}

.consent-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

/* ===============================
   Контакты / Contact
   =============================== */
.contact-section {
  padding: 36px 0;
  background: linear-gradient(180deg, var(--teal-50), #fff);
}

.contact-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 20px;
  align-items: start;
  width: 100%;
}

.contact-info h4 {
  margin: 0 0 8px;
  color: var(--accent-dark);
}

.contact-form-card {
  background: var(--card);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.two-col {
  display: flex;
  gap: 10px;
}

.two-col input {
  flex: 1;
}

.lead-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

.lead-form input,
.lead-form textarea {
  padding: 10px;
  border: 1px solid #e6f1ef;
  border-radius: 10px;
  font-size: 14px;
  background: #fff;
  color: #222;
  box-shadow: none;
}

.lead-form input:focus,
.lead-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(20, 169, 154, 0.15);
}

.form-row {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
}

/* ===============================
   Видео-демонстрация
   =============================== */
.about-video {
  grid-column: 1 / -1;
  background: linear-gradient(180deg, rgba(20, 169, 154, 0.04), rgba(255, 255, 255, 0.6));
  border-radius: 14px;
  box-shadow: 0 8px 20px rgba(8, 60, 55, 0.08);
  padding: 18px;
  margin-top: 18px;
}

.about-video h4 {
  margin: 0;
  color: var(--accent);
  font-size: 1.2em;
}

.about-video .muted {
  margin-top: 6px;
}

.about-video__wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  margin-top: 12px;
}

.about-video__wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(8, 60, 55, 0.08);
}

/* ===============================
   Подвал / Footer
   =============================== */
.site-footer {
  background: var(--accent-dark);
  color: #fff;
  padding: 18px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}