:root {
  --font-main: 'Inter', sans-serif;
  --color-text: #1a1a1a;
  --color-bg: #ffffff;

  /* Основные градиенты */
  --color-gradient-1: linear-gradient(90deg, #0d436a, #006240); /* фон hero */
  --color-gradient-2: linear-gradient(90deg, #00a2ff, #00E676); /* вторичный */

  /* Новый акцент для кнопок */
  --color-gradient-accent: linear-gradient(90deg, #0077ff, #00ffaa);

  --shadow-soft: 0 2px 12px rgba(0,0,0,0.08);
  --radius: 12px;
  --transition: 0.3s ease;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

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

a:hover {
  opacity: 0.8;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  background: #fff;
  box-shadow: var(--shadow-soft);
  z-index: 100;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 20px;
  gap: 8px;
}

.logo img {
  width: 32px;
  height: 32px;
}

.main-nav ul {
  display: flex;
  gap: 24px;
  list-style: none;
}

.main-nav a {
  font-weight: 500;
  padding: 8px 0;
}

.main-nav a.active {
  background: var(--color-gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* BURGER MENU */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}

.burger span {
  width: 24px;
  height: 2px;
  background: #000;
  transition: var(--transition);
}

/* HERO */
.hero {
  background: var(--color-gradient-1);
  color: #fff;
  text-align: center;
  padding: 100px 16px 80px;
}

.hero h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
}

.hero p {
  max-width: 600px;
  margin: 0 auto 32px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* BUTTONS */
.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  transition: var(--transition);
  transform: scale(1);
}

.btn-primary {
  background: var(--color-gradient-accent);
  color: #fff;
  box-shadow: 0 0 20px rgba(0, 170, 255, 0.35);
}

.btn-secondary {
  background: var(--color-gradient-2);
  color: #fff;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover,
.btn-secondary:hover {
  transform: scale(1.05);
  box-shadow: 0 0 25px rgba(0, 255, 180, 0.5);
}

/* CONTENT BLOCKS */
.content-block {
  padding: 80px 0;
}

.content-block.alt {
  background: #f8f9fa;
}

.block-flex {
  display: flex;
  align-items: center;
  gap: 40px;
}

.block-image {
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.content-block h2 {
  font-size: 28px;
  margin-bottom: 16px;
}

/* TABLE */
.table-wrapper {
  overflow-x: auto;
  box-shadow: var(--shadow-soft);
  border-radius: var(--radius);
  margin-top: 24px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

th, td {
  padding: 14px 16px;
  text-align: left;
}

thead {
  background: var(--color-gradient-2);
  color: #fff;
}

tbody tr:nth-child(even) {
  background: #f9f9f9;
}

/* FEATURES */
.features {
  background: #f5f5f5;
  padding: 80px 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.feature-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 24px;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
}

/* FAQ */
.faq {
  padding: 80px 0;
}

.faq h2 {
  margin-bottom: 32px;
}

.faq h3 {
  margin-top: 24px;
  font-weight: 600;
}

/* FOOTER */
.site-footer {
  background: #111;
  color: #fff;
  padding: 40px 0;
  text-align: center;
}

.footer-container a {
  color: #00E676;
  margin: 0 8px;
  font-size: 14px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    box-shadow: var(--shadow-soft);
  }

  .main-nav.active {
    display: flex;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .main-nav li {
    border-bottom: 1px solid #eee;
  }

  .burger {
    display: flex;
  }

  .block-flex {
    flex-direction: column;
    text-align: center;
  }

  .hero {
    padding: 80px 16px 60px;
  }
}
/* ====== GLOW BUTTONS ====== */
.btn-primary,
.btn-secondary {
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 20px rgba(0, 230, 118, 0.4);
}

.btn-primary::before,
.btn-secondary::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  z-index: -1;
  background: var(--color-gradient-1);
  filter: blur(16px);
  opacity: 0.6;
  transform: scale(0.95);
  transition: var(--transition);
}

.btn-secondary::before {
  background: var(--color-gradient-2);
}

.btn-primary:hover::before,
.btn-secondary:hover::before {
  opacity: 1;
  filter: blur(20px);
  transform: scale(1);
}

.btn-primary:active::before,
.btn-secondary:active::before {
  opacity: 0.8;
  transform: scale(0.9);
}