@import url("../fonts/inter/wght.css");
@import url("../fonts/inter/wght-italic.css");
@import url("../fonts/manrope/wght.css");
@import url("../fonts/jetbrains-mono/wght.css");
@import url("../fonts/jetbrains-mono/wght-italic.css");

/* ==========================================================================
   FILE: static/css/main.css
   PURPOSE: Глобальные переменные, базовые стили, контейнеры и кнопки
   ========================================================================== */

:root {
  /* Brand palette from OVELANT Brand Guidelines v1.0 */
  --brand-ink: #081230;
  --brand-blue-black: #050A1F;
  --brand-violet: #6A40F8;
  --brand-violet-deep: #3A2BAF;
  --brand-text-accent: #3E51AD;
  --brand-soft-background: #F8FAFF;
  --brand-surface-white: #FFFFFF;
  --brand-border-soft: #E4E8F0;
  --brand-text-secondary: #5C6475;

  --brand-gradient-deep-momentum: linear-gradient(135deg, #050A1F 0%, #081230 48%, #6A40F8 100%);
  --brand-gradient-violet-horizon: linear-gradient(135deg, #081230 0%, #3A2BAF 52%, #6A40F8 100%);

  --font-display:
    "Manrope Variable",
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  --font-sans:
    "Inter Variable",
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  --font-mono:
    "JetBrains Mono Variable",
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    "Liberation Mono",
    monospace;

  /* Base backgrounds */
  --bg: var(--brand-soft-background);
  --bg-deep: var(--brand-blue-black);
  --bg-soft: #F1F4FB;
  --bg-section: #FFFFFF;
  --bg-section-alt: #F8FAFF;
  --bg-section-muted: #F2F5FC;

  /* Surfaces */
  --surface: var(--brand-surface-white);
  --surface-2: #F8FAFF;
  --surface-3: #F1F4FB;
  --surface-accent: rgba(106, 64, 248, 0.08);

  /* Text */
  --text: var(--brand-ink);
  --text-soft: #293654;
  --text-muted: var(--brand-text-secondary);

  /* Basic colors */
  --white: #FFFFFF;
  --black: var(--brand-blue-black);

  /* Borders */
  --border: var(--brand-border-soft);
  --border-strong: #CBD3E1;
  --border-accent: rgba(106, 64, 248, 0.28);

  /* Accent */
  --accent: var(--brand-violet);
  --accent-strong: var(--brand-violet-deep);
  --accent-soft: rgba(106, 64, 248, 0.12);
  --accent-softer: rgba(106, 64, 248, 0.07);

  /* Radius */
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 34px;

  /* Layout */
  --container: 1320px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font-sans);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
  line-height: 1.55;
}

h1,
h2,
h3,
.brand-name,
.app-brand-name,
.auth-brand-name {
  font-family: var(--font-display);
}

code,
kbd,
pre,
samp {
  font-family: var(--font-mono);
}

.brand-mark,
.app-brand-mark,
.auth-brand-mark {
  position: relative;
  flex: 0 0 auto;
  overflow: hidden;
  font-size: 0;
}

.brand-mark::before,
.app-brand-mark::before,
.auth-brand-mark::before {
  content: "";
  position: absolute;
  inset: 20%;
  border: var(--brand-mark-stroke, 4px) solid currentColor;
  border-bottom-color: transparent;
  border-radius: 50%;
}

.brand-mark::after,
.app-brand-mark::after,
.auth-brand-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 21%;
  width: 0;
  height: 0;
  border-right: var(--brand-mark-triangle-x, 5px) solid transparent;
  border-bottom: var(--brand-mark-triangle-y, 13px) solid currentColor;
  border-left: var(--brand-mark-triangle-x, 5px) solid transparent;
  transform: translateX(-50%);
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: min(100% - 64px, var(--container));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--black);
  background: var(--white);
  border-radius: 999px;
}

.skip-link:focus {
  top: 16px;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  font-size: 0.96rem;
  font-weight: 800;
  border-radius: 14px;
  transition:
    background 0.2s ease,
    transform 0.2s ease,
    border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: var(--white);
  background: var(--accent);
  box-shadow: 0 14px 30px rgba(106, 64, 248, 0.2);
}

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

.btn-secondary {
  color: var(--text);
  background: transparent;
  border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
  border-color: var(--border-strong);
  background: var(--surface-2);
}

/* Responsive */

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .btn {
    width: 100%;
  }
}


/* ==========================================================================
   FILE: static/css/main.css
   SECTION: Additional global section background variables
   PURPOSE: Цвета для полноэкранных переходов между секциями
   ========================================================================== */

:root {
  --bg-deep: var(--brand-blue-black);
  --bg-section: #FFFFFF;
  --bg-section-alt: var(--brand-soft-background);
  --bg-section-muted: #F2F5FC;

  --section-slope-height: 92px;
}