/* ==========================================================================
   Основа: шрифтове, reset, типография, решетка, хедър, футър, помощни класове.
   Цветовете идват от tokens.css (генериран от site.config.js).
   ========================================================================== */

/* --- Roboto (променлив шрифт, само нужните подмножества) ------------------ */
@font-face { font-family: "Roboto Variable"; font-style: normal; font-weight: 100 900; font-display: swap; src: url(/assets/fonts/roboto-latin-wght-normal.woff2) format("woff2-variations"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Roboto Variable"; font-style: normal; font-weight: 100 900; font-display: swap; src: url(/assets/fonts/roboto-latin-ext-wght-normal.woff2) format("woff2-variations"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Roboto Variable"; font-style: normal; font-weight: 100 900; font-display: swap; src: url(/assets/fonts/roboto-cyrillic-wght-normal.woff2) format("woff2-variations"); unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116; }
@font-face { font-family: "Roboto Variable"; font-style: normal; font-weight: 100 900; font-display: swap; src: url(/assets/fonts/roboto-cyrillic-ext-wght-normal.woff2) format("woff2-variations"); unicode-range: U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F; }
@font-face { font-family: "Roboto Variable"; font-style: normal; font-weight: 100 900; font-display: swap; src: url(/assets/fonts/roboto-greek-wght-normal.woff2) format("woff2-variations"); unicode-range: U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF; }
@font-face { font-family: "Roboto Variable"; font-style: italic; font-weight: 100 900; font-display: swap; src: url(/assets/fonts/roboto-latin-wght-italic.woff2) format("woff2-variations"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Roboto Variable"; font-style: italic; font-weight: 100 900; font-display: swap; src: url(/assets/fonts/roboto-latin-ext-wght-italic.woff2) format("woff2-variations"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Roboto Variable"; font-style: italic; font-weight: 100 900; font-display: swap; src: url(/assets/fonts/roboto-cyrillic-wght-italic.woff2) format("woff2-variations"); unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116; }
@font-face { font-family: "Roboto Variable"; font-style: italic; font-weight: 100 900; font-display: swap; src: url(/assets/fonts/roboto-cyrillic-ext-wght-italic.woff2) format("woff2-variations"); unicode-range: U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F; }
@font-face { font-family: "Roboto Variable"; font-style: italic; font-weight: 100 900; font-display: swap; src: url(/assets/fonts/roboto-greek-wght-italic.woff2) format("woff2-variations"); unicode-range: U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF; }
@font-face { font-family: "Roboto Mono Variable"; font-style: normal; font-weight: 100 700; font-display: swap; src: url(/assets/fonts/roboto-mono-latin-wght-normal.woff2) format("woff2-variations"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Roboto Mono Variable"; font-style: normal; font-weight: 100 700; font-display: swap; src: url(/assets/fonts/roboto-mono-latin-ext-wght-normal.woff2) format("woff2-variations"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Roboto Mono Variable"; font-style: normal; font-weight: 100 700; font-display: swap; src: url(/assets/fonts/roboto-mono-cyrillic-wght-normal.woff2) format("woff2-variations"); unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116; }
@font-face { font-family: "Roboto Mono Variable"; font-style: normal; font-weight: 100 700; font-display: swap; src: url(/assets/fonts/roboto-mono-cyrillic-ext-wght-normal.woff2) format("woff2-variations"); unicode-range: U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F; }
@font-face { font-family: "Roboto Mono Variable"; font-style: normal; font-weight: 100 700; font-display: swap; src: url(/assets/fonts/roboto-mono-greek-wght-normal.woff2) format("woff2-variations"); unicode-range: U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF; }

/* --- Общи променливи (темите ги предефинират) ------------------------------ */
:root {
  --wrap: 72rem;
  --prose: 46rem;
  --gutter: clamp(1rem, 4vw, 2rem);
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 22px;
  --border-w: 1px;
  --shadow: 0 1px 2px rgb(0 0 0 / .05), 0 8px 24px -12px rgb(0 0 0 / .15);
  --shadow-lg: 0 20px 50px -20px rgb(0 0 0 / .3);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --fs-sm: .875rem;
  --fs-base: 1.0625rem;
  --fs-lg: 1.25rem;
  --lh: 1.65;
  --header-h: 4.25rem;
}

/* --- Reset ------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 1rem); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; } }
body {
  margin: 0; min-height: 100dvh; display: flex; flex-direction: column;
  background: var(--c-bg); color: var(--c-text);
  font-family: var(--font-body); font-size: var(--fs-base); line-height: var(--lh);
  font-optical-sizing: auto; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased;
}
img, svg, video, canvas, iframe { max-width: 100%; height: auto; display: block; }
img { font-style: italic; background-repeat: no-repeat; background-size: cover; }
a { color: var(--c-link); text-decoration-thickness: from-font; text-underline-offset: .15em; }
a:hover { text-decoration-thickness: 2px; }
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.2; letter-spacing: -.01em; text-wrap: balance; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(2rem, 1.3rem + 2.8vw, 3.25rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }
p { margin: 0 0 1em; }
small { font-size: var(--fs-sm); }
code, kbd, pre, samp { font-family: var(--font-mono); font-size: .92em; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 3px; border-radius: 4px; }
::selection { background: color-mix(in srgb, var(--c-accent) 30%, transparent); }
hr { border: 0; border-top: var(--border-w) solid var(--c-border); margin: 2rem 0; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--c-muted); }
.wrap { width: min(var(--wrap), 100% - 2 * var(--gutter)); margin-inline: auto; }
.icon { display: inline-block; vertical-align: -.2em; flex: none; }
.skip-link { position: absolute; top: -100px; left: 1rem; z-index: 100; background: var(--c-accent); color: var(--c-accentText); padding: .6rem 1rem; border-radius: var(--radius-sm); }
.skip-link:focus { top: 1rem; }
html[data-scheme="light"] .only-dark, .only-dark { display: none; }
html[data-scheme="dark"] .only-dark { display: inline-block; }
html[data-scheme="dark"] .only-light { display: none; }
@media (prefers-color-scheme: dark) {
  html:not([data-scheme="light"]) .only-dark { display: inline-block; }
  html:not([data-scheme="light"]) .only-light { display: none; }
}
.svg-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.theme-bg { display: none; position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.art { display: none; width: 100%; height: auto; }

/* --- Хедър ------------------------------------------------------------------- */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--c-bg) 82%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: var(--border-w) solid var(--c-border); }
.header-inner { display: flex; align-items: center; gap: 1rem; min-height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: inherit; text-decoration: none; font-weight: 700; }
.brand-mark { width: 2.25rem; height: 2.25rem; display: grid; place-items: center; border-radius: 10px; background: var(--c-accent); color: var(--c-accentText); }
.brand-mark .logo { width: 1.5rem; height: 1.5rem; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text small { color: var(--c-muted); font-weight: 500; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 1rem; }
.nav-list { list-style: none; margin: 0; padding: 0; display: flex; gap: .25rem; }
.nav-list a { display: inline-block; padding: .5rem .8rem; border-radius: 999px; color: inherit; text-decoration: none; font-weight: 500; transition: background .2s var(--ease), color .2s; }
.nav-list a:hover { background: var(--c-surface2); }
.nav-list a[aria-current="page"] { background: var(--c-accent); color: var(--c-accentText); }
.nav-tools { display: flex; align-items: center; gap: .25rem; }
.icon-btn { display: inline-flex; align-items: center; justify-content: center; gap: .35rem; min-width: 2.4rem; height: 2.4rem; padding: 0 .55rem; border-radius: 999px; color: inherit; text-decoration: none; transition: background .2s, transform .2s var(--ease); }
.icon-btn:hover { background: var(--c-surface2); }
.icon-btn:active { transform: scale(.94); }
.nav-toggle { display: none; margin-left: auto; width: 2.6rem; height: 2.6rem; border-radius: 10px; align-items: center; justify-content: center; }
.nav-toggle .icon-x { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-x { display: inline-block; }
.lang-switch { position: relative; }
.lang-current { font-size: .8rem; font-weight: 600; }
.lang-menu { position: absolute; right: 0; top: calc(100% + .4rem); min-width: 10rem; margin: 0; padding: .35rem; list-style: none; background: var(--c-surface); border: var(--border-w) solid var(--c-border); border-radius: var(--radius); box-shadow: var(--shadow-lg); display: none; z-index: 60; }
.lang-switch.is-open .lang-menu { display: block; }
.lang-menu a { display: flex; justify-content: space-between; gap: .5rem; padding: .5rem .7rem; border-radius: var(--radius-sm); text-decoration: none; color: inherit; }
.lang-menu a:hover { background: var(--c-surface2); }
.lang-menu a[aria-current="true"] { font-weight: 700; color: var(--c-accent); }
@media (max-width: 52rem) {
  .nav-toggle { display: inline-flex; }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; padding: 1rem var(--gutter) 1.25rem; background: var(--c-bg); border-bottom: var(--border-w) solid var(--c-border); box-shadow: var(--shadow-lg); }
  .site-nav.is-open { display: flex; }
  .nav-list { flex-direction: column; }
  .nav-list a { display: block; padding: .7rem 1rem; }
  .nav-tools { justify-content: flex-start; padding-top: .5rem; border-top: var(--border-w) solid var(--c-border); }
  .brand-text small { display: none; }
}

/* --- Главно съдържание и футър ---------------------------------------------- */
.site-main { flex: 1; padding-block: clamp(1.5rem, 4vw, 3rem); }
.site-footer { margin-top: 3rem; border-top: var(--border-w) solid var(--c-border); background: var(--c-bg2); padding-block: 2.5rem 2rem; font-size: var(--fs-sm); }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
.footer-about p { color: var(--c-muted); max-width: 28rem; }
.footer-nav ul { list-style: none; margin: 0; padding: 0; columns: 2; gap: 1.5rem; }
.footer-nav a { display: inline-block; padding: .25rem 0; color: inherit; text-decoration: none; }
.footer-nav a:hover { color: var(--c-accent); }
.footer-meta { text-align: right; color: var(--c-muted); }
.social-list { list-style: none; margin: 1rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem; }
.social-list a { display: inline-flex; width: 2.5rem; height: 2.5rem; align-items: center; justify-content: center; border-radius: 999px; color: inherit; border: var(--border-w) solid var(--c-border); background: var(--c-surface); transition: transform .2s var(--ease), color .2s, border-color .2s; }
.social-list a:hover { transform: translateY(-3px); color: var(--c-accent); border-color: var(--c-accent); }
.theme-preview { display: inline-flex; flex-direction: column; gap: .5rem; align-items: flex-end; margin-bottom: 1rem; }
.theme-buttons { display: inline-flex; border: var(--border-w) solid var(--c-border); border-radius: 999px; padding: .2rem; background: var(--c-surface); }
.theme-buttons button { padding: .35rem .8rem; border-radius: 999px; font-size: .8rem; font-weight: 600; color: var(--c-muted); }
.theme-buttons button[aria-pressed="true"] { background: var(--c-accent); color: var(--c-accentText); }
@media (max-width: 52rem) { .footer-inner { grid-template-columns: 1fr; } .footer-meta, .theme-preview { text-align: left; align-items: flex-start; } }

/* --- Заглавия на страници ---------------------------------------------------- */
.page-header { max-width: 52rem; margin-bottom: clamp(1.5rem, 4vw, 2.5rem); }
.page-header h1 { display: flex; align-items: center; gap: .5rem; }
.page-header h1 .icon { color: var(--c-accent); flex: none; }
.eyebrow { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--c-accent); margin: 0 0 .5rem; text-decoration: none; }
.lede { font-size: var(--fs-lg); color: var(--c-muted); max-width: 46rem; text-wrap: pretty; }
.page-tools { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-top: 1rem; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; }
.section-title { display: flex; align-items: center; gap: .5rem; margin: 0; font-size: clamp(1.35rem, 1rem + 1vw, 1.75rem); }
.section-title .icon { color: var(--c-accent); }
.more-link { white-space: nowrap; font-weight: 600; text-decoration: none; color: var(--c-muted); }
.more-link:hover { color: var(--c-accent); }
.home-section { margin-top: clamp(2.5rem, 6vw, 4.5rem); }
.home-split { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2.5rem; }
@media (max-width: 52rem) { .home-split { grid-template-columns: 1fr; } }

/* --- Начало ------------------------------------------------------------------ */
.hero { padding-block: clamp(1rem, 4vw, 3rem) 0; }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: clamp(1.5rem, 5vw, 4rem); }
.hero-title { font-size: clamp(2.4rem, 1.5rem + 4vw, 4.25rem); margin-bottom: .6rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.5rem 0 1rem; }
.hero-social { margin-top: .5rem; }
.hero-art { min-width: 0; }
@media (max-width: 52rem) { .hero-inner { grid-template-columns: 1fr; } .hero-art { max-width: 24rem; margin-inline: auto; order: -1; } }
.float { animation: float 7s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
.float.f2 { animation-duration: 9s; animation-delay: -2s; }
.float.f3 { animation-duration: 11s; animation-delay: -4s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }