/* ==========================================================================
   FILE: static/css/marketing/header.css
   PURPOSE: светлая шапка маркетингового сайта Ovelant
   ========================================================================== */

/* ==========================================================================
   Marketing light theme variables
   Эти переменные используются только на маркетинговых страницах,
   потому что этот файл подключается только в marketing/index.html
   ========================================================================== */

:root {
  --m-bg: var(--brand-soft-background);
  --m-bg-soft: #F2F5FC;
  --m-bg-muted: #F8FAFF;

  --m-surface: var(--brand-surface-white);
  --m-surface-soft: #F8FAFF;
  --m-surface-blue: rgba(106, 64, 248, 0.08);

  --m-text: var(--brand-ink);
  --m-text-soft: #37415C;
  --m-text-muted: var(--brand-text-secondary);

  --m-border: var(--brand-border-soft);
  --m-border-strong: #CBD5E1;

  --m-accent: var(--brand-violet);
  --m-accent-dark: var(--brand-violet-deep);
  --m-accent-soft: rgba(106, 64, 248, 0.09);
  --m-accent-border: rgba(106, 64, 248, 0.24);

  --m-success: #16A34A;
  --m-warning: #F59E0B;
  --m-danger: #DC2626;

  --m-shadow-sm: 0 8px 24px rgba(8, 18, 48, 0.055);
  --m-shadow-md: 0 18px 50px rgba(8, 18, 48, 0.08);

  --m-radius-sm: 14px;
  --m-radius-md: 20px;
  --m-radius-lg: 28px;
  --m-radius-xl: 34px;
}

/* ==========================================================================
   Base override for marketing pages
   ========================================================================== */

body {
  color: var(--m-text);
  background: var(--m-bg);
  font-family: var(--font-sans);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--m-border);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--m-text);
  font-weight: 850;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  --brand-mark-stroke: 4px;
  --brand-mark-triangle-x: 5px;
  --brand-mark-triangle-y: 13px;
  color: var(--m-text);
  background: transparent;
}

.brand-name {
  color: var(--m-text);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.22em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--m-text-muted);
  font-size: 0.94rem;
  font-weight: 650;
}

.main-nav a {
  transition: color 0.2s ease;
}

.main-nav a:hover {
  color: var(--m-text);
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 16px;
}

.login-link {
  color: var(--m-text-muted);
  font-size: 0.94rem;
  font-weight: 700;
  transition: color 0.2s ease;
}

.login-link:hover {
  color: var(--m-text);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  color: #FFFFFF;
  font-size: 0.9rem;
  font-weight: 850;
  border-radius: 13px;
  background: var(--m-accent);
  box-shadow: 0 12px 28px rgba(106, 64, 248, 0.22);
  transition:
    background 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.header-cta:hover {
  transform: translateY(-1px);
  background: var(--m-accent-dark);
  box-shadow: 0 16px 34px rgba(106, 64, 248, 0.28);
}

/* ==========================================================================
   Mobile menu
   ========================================================================== */

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--m-border);
  border-radius: 13px;
  background: #FFFFFF;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--m-text);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 900px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 14px 0;
  }

  .menu-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .main-nav {
    display: none;
    order: 4;
    width: 100%;
    padding: 16px;
    border: 1px solid var(--m-border);
    border-radius: var(--m-radius-md);
    background: #FFFFFF;
    box-shadow: var(--m-shadow-sm);
  }

  .site-header.is-open .main-nav {
    display: grid;
    gap: 12px;
  }

  .header-actions {
    order: 3;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: static;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .header-cta {
    flex: 1;
  }
}