/* ==========================================================================
   Savium — базовые стили. Палитра/шрифт — из официального брендбука
   (дизайн-система + логобук, проверено попиксельно): Inter,
   Green-main #1FDB9C, Green-interface #46AD7B, Green-bg #E5FDEB,
   Black/Tree #141414, Yellow #F5C946, Yellow-soft #FAF2E1.
   Градиенты Sunrise/Midday/Sunset — вертикальные, стоп-цвета сверены
   с Gradient.pdf брендбука.
   ========================================================================== */

:root {
  --color-green-main: #1FDB9C;
  --color-green-interface: #46AD7B;
  --color-tree: #141414;
  --color-bg: #FFFFFF;
  --color-bg-alt: #E5FDEB;
  --color-text: var(--color-tree);
  --color-text-muted: #5C6E6F;
  --color-border: #E1EBE8;
  --color-yellow: #F5C946;
  --color-yellow-soft: #FAF2E1;

  --gradient-sunrise: linear-gradient(180deg, var(--color-yellow-soft) 0%, var(--color-yellow) 45%, var(--color-green-main) 100%);
  --gradient-midday: linear-gradient(180deg, var(--color-yellow) 0%, var(--color-green-main) 100%);
  --gradient-sunset: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-yellow) 100%);

  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-md: 12px;
  --radius-lg: 20px;
  --container-width: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  font-size: 16px;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-green-interface); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; margin: 0 0 .5em; color: var(--color-tree); }
h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(6px);
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.site-logo { display: flex; align-items: center; font-weight: 800; font-size: 1.25rem; color: var(--color-tree); }
.site-logo span { color: var(--color-green-interface); }
.site-logo img { height: 36px; width: auto; display: block; }
.site-footer .site-logo img { height: 32px; }

.primary-nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.primary-nav a {
  color: var(--color-tree);
  font-weight: 500;
}
.primary-nav a:hover { color: var(--color-green-interface); text-decoration: none; }

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  background: var(--color-green-main);
  color: var(--color-tree);
  border: none;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { text-decoration: none; box-shadow: 0 8px 20px rgba(31,219,156,.35); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--color-tree);
  border: 1px solid var(--color-border);
}

.mobile-menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; }

/* Hero */
.hero {
  background: var(--gradient-sunrise);
  padding: 80px 0;
}
.hero .container { max-width: 760px; text-align: left; }
.hero p.lead { font-size: 1.15rem; color: var(--color-text-muted); }
.hero .actions { display: flex; gap: 16px; margin-top: 28px; flex-wrap: wrap; }

/* Cards / services grid */
.section { padding: 72px 0; }
.section-alt { background: var(--color-bg-alt); }
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  background: #fff;
  transition: box-shadow .15s ease, transform .15s ease;
}
.card:hover { box-shadow: 0 12px 28px rgba(40,57,58,.08); transform: translateY(-2px); }
.card h3 { margin-bottom: .4em; }

/* Pricing table */
table.pricing {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0 40px;
}
table.pricing th, table.pricing td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
}
table.pricing th { color: var(--color-text-muted); font-weight: 600; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--color-border); padding: 20px 0; }
.faq-item h3 { margin-bottom: .3em; }

/* Steps */
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 52px;
  margin-bottom: 24px;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: 0;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--gradient-midday);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Contact form */
.contact-form { display: grid; gap: 16px; max-width: 480px; }
.contact-form input, .contact-form textarea {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 1rem;
}

/* CTA band */
.cta-band {
  background: var(--gradient-sunset);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  color: #fff;
}
.cta-band h2 { color: #fff; }
.cta-band .btn { background: #fff; color: var(--color-tree); }

/* Footer */
.site-footer {
  background: var(--color-tree);
  color: #C9D6D3;
  padding: 56px 0 32px;
  margin-top: 40px;
}
.site-footer a { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.footer-bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: .85rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* Blog / case cards */
.post-card { border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; background: #fff; }
.post-card .post-card-body { padding: 24px; }
.post-meta { color: var(--color-text-muted); font-size: .85rem; margin-bottom: .5em; }

/* Breadcrumbs */
.breadcrumbs { font-size: .85rem; color: var(--color-text-muted); margin-bottom: 24px; }
.breadcrumbs a { color: var(--color-text-muted); }

/* Responsive */
@media (max-width: 880px) {
  .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .primary-nav { display: none; }
  .mobile-menu-toggle { display: block; }
}