/* =============================================================
   Smartbion — дизайн система
   Базови стилове: reset, токени, типография, layout, бутони,
   highlight, dot grid, header, footer.
   ============================================================= */

/* --- Токени --- */
:root {
    --bg: #ffffff;
    --bg-soft: #fafafa;
    --fg: #0a0a0a;
    --fg-soft: #404040;
    --muted: #6b7280;
    --border: #ebebeb;
    --border-strong: #d4d4d4;
    --highlight: #bcd6ff;          /* синьо подчертаване */
    --accent: #2563eb;             /* основен син акцент */
    --accent-strong: #1d4ed8;      /* по-наситено синьо (hover) */

    --font-sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

    --radius: 8px;
    --radius-lg: 14px;
    --container: 1120px;

    --space: clamp(4rem, 9vw, 7rem);   /* вертикален ритъм между секции */
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--fg);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

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

/* --- Типография --- */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--fg);
}

h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.9rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p { color: var(--fg-soft); }

.lead { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--muted); line-height: 1.6; }

/* Моно етикет над заглавия */
.eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--muted);
    text-transform: uppercase;
    margin-bottom: 1rem;
}
.eyebrow::before { content: "// "; color: var(--border-strong); }

/* Жълто подчертаване на ключови думи (highlighter ефект) */
.hl {
    background: linear-gradient(transparent 58%, var(--highlight) 58%, var(--highlight) 96%, transparent 96%);
    padding: 0 0.08em;
}

/* --- Layout --- */
.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 1.5rem;
}

.section { padding-block: var(--space); }
.section-tight { padding-block: clamp(2.5rem, 5vw, 4rem); }

/* --- Бутони (Linear стил) --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color 0.12s ease, border-color 0.12s ease, transform 0.05s ease;
    white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-dark {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.btn-dark:hover { background: var(--accent-strong); border-color: var(--accent-strong); }

.btn-light {
    background: #fff;
    color: var(--fg);
    border-color: var(--border-strong);
}
.btn-light:hover { background: var(--bg-soft); border-color: var(--fg); }

.btn-arrow::after { content: "→"; font-family: var(--font-mono); }

/* --- Dot grid фон (избледнява надолу) --- */
.dotgrid {
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image: radial-gradient(circle, var(--border-strong) 1px, transparent 1px);
    background-size: 24px 24px;
    -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,0.4) 55%, transparent 92%);
    mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,0.4) 55%, transparent 92%);
    pointer-events: none;
}

/* --- Скрит, но достъпен --- */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--fg);
    color: #fff;
    padding: 0.6rem 1rem;
    border-radius: var(--radius);
    z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* =============================================================
   Header / навигация
   ============================================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid var(--border);
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
    height: 64px;
}

.logo {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
    color: var(--fg);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-right: auto;
}
.nav-links a {
    padding: 0.45rem 0.7rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
    color: var(--fg-soft);
    transition: background-color 0.12s ease, color 0.12s ease;
}
.nav-links a:hover { background: var(--bg-soft); color: var(--fg); }
.nav-links a[aria-current="page"] { color: var(--fg); font-weight: 500; }

/* =============================================================
   Footer
   ============================================================= */
.site-footer {
    border-top: 1px solid var(--border);
    background: var(--bg-soft);
    margin-top: var(--space);
    padding-top: clamp(3rem, 6vw, 4.5rem);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 2.5rem;
    padding-bottom: 3rem;
}

.footer-tagline { margin-top: 0.75rem; color: var(--muted); max-width: 32ch; font-size: 0.95rem; }

.footer-col { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a { color: var(--fg-soft); font-size: 0.92rem; }
.footer-col a:hover { color: var(--fg); }

.footer-heading {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
    margin-bottom: 0.4rem;
}
.footer-muted { color: var(--muted); font-size: 0.92rem; }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding-block: 1.5rem;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.85rem;
}
.footer-mono { font-family: var(--font-mono); }

/* =============================================================
   Mega menu (десктоп)
   ============================================================= */
.has-mega { position: static; }

.mega-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--fg-soft);
    background: none;
    border: none;
    padding: 0.45rem 0.7rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color 0.12s ease, color 0.12s ease;
}
.mega-trigger:hover,
.has-mega.open .mega-trigger { background: var(--bg-soft); color: var(--fg); }

.caret { font-size: 0.7rem; transition: transform 0.12s ease; }
.has-mega.open .caret { transform: rotate(180deg); }

.mega {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    background: var(--bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.25);
}
.has-mega.open .mega { display: block; }
/* невидим мост над празнината между бутона и менюто */
.mega::before { content: ""; position: absolute; left: 0; right: 0; top: -18px; height: 18px; }

.mega-heading {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
    margin-bottom: 1rem;
}

/* Таб-базирано mega menu: странична лента + панели */
.mega-layout { display: grid; grid-template-columns: 270px 1fr; gap: 2.5rem; padding-block: 1.75rem; align-items: stretch; }

.mega-sidebar { display: flex; flex-direction: column; gap: 0.2rem; border-right: 1px solid var(--border); padding-right: 1.75rem; }

.mega-tab {
    display: flex; align-items: center; justify-content: space-between;
    font-family: var(--font-sans); font-size: 1.02rem; color: var(--fg);
    background: none; border: none; cursor: pointer; text-align: left;
    padding: 0.7rem 0.9rem; border-radius: var(--radius);
    transition: background-color 0.12s ease, color 0.12s ease;
}
.mega-tab:hover { background: var(--bg-soft); }
.mega-tab-arrow { opacity: 0; color: var(--accent); transition: opacity 0.12s ease; }
.mega-tab.is-active { background: #eef2ff; color: var(--accent); font-weight: 500; }
.mega-tab.is-active .mega-tab-arrow { opacity: 1; }

.mega-cta-card {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    margin-top: 0.9rem; padding: 0.95rem 1.1rem;
    border: 1px solid var(--border); border-radius: var(--radius-lg);
    font-weight: 500; color: var(--fg);
    transition: border-color 0.12s ease, background-color 0.12s ease;
}
.mega-cta-card span { color: var(--accent); }
.mega-cta-card:hover { border-color: var(--accent); background: var(--bg-soft); }

.mega-note { margin-top: auto; padding-top: 1.5rem; font-size: 0.82rem; line-height: 1.5; color: var(--muted); }
.mega-note[hidden] { display: none; }

.mega-content { min-height: 230px; }
.mega-panel[hidden] { display: none; }
.mega-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.35rem 1.5rem; }
.mega-grid-compact { gap: 0.15rem 1.5rem; }

.mega-card {
    display: flex; align-items: center; gap: 0.9rem;
    padding: 0.7rem; border-radius: var(--radius-lg);
    transition: background-color 0.12s ease;
}
.mega-card:hover { background: var(--bg-soft); }
.mega-card-compact { padding: 0.6rem 0.7rem; }

.mega-ico {
    flex-shrink: 0; width: 42px; height: 42px;
    display: grid; place-items: center;
    border: 1px solid var(--border); border-radius: var(--radius);
    color: var(--fg-soft);
}
.mega-ico svg { width: 20px; height: 20px; }
.mega-card-compact .mega-ico { width: 38px; height: 38px; }

.mega-card-text { display: flex; flex-direction: column; gap: 0.1rem; }
.mega-card-title { font-weight: 500; font-size: 1rem; color: var(--fg); }
.mega-card-desc { font-size: 0.84rem; color: var(--muted); }

/* =============================================================
   Hamburger + мобилна навигация
   ============================================================= */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    margin-left: auto;
    background: none;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    cursor: pointer;
}
.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin-inline: auto;
    background: var(--fg);
    transition: transform 0.15s ease, opacity 0.15s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
    position: fixed;
    inset: 64px 0 0 0;
    z-index: 40;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1.5rem;
    background: var(--bg);
    border-top: 1px solid var(--border);
    overflow-y: auto;
}
.mobile-nav[hidden] { display: none; }
.mobile-nav > a {
    padding: 0.85rem 0.5rem;
    font-size: 1.05rem;
    color: var(--fg);
    border-bottom: 1px solid var(--border);
}
.mobile-cta { justify-content: center; margin-top: 1rem; border-bottom: none; color: #fff; }

.mobile-acc { border-bottom: 1px solid var(--border); }
.mobile-acc summary {
    list-style: none;
    cursor: pointer;
    padding: 0.85rem 0.5rem;
    font-size: 1.05rem;
}
.mobile-acc summary::-webkit-details-marker { display: none; }
.mobile-acc summary::after { content: "+"; float: right; font-family: var(--font-mono); color: var(--muted); }
.mobile-acc[open] summary::after { content: "−"; }
.mobile-acc-body { display: flex; flex-direction: column; gap: 0.1rem; padding: 0 0.5rem 1rem; }
.mobile-acc-body .mega-heading { margin-top: 1rem; }
.mobile-acc-body a { padding: 0.5rem 0; color: var(--fg-soft); }

/* =============================================================
   Hero
   ============================================================= */
.hero { position: relative; overflow: hidden; padding-block: clamp(4.5rem, 10vw, 8rem) clamp(3.5rem, 7vw, 6rem); }
.hero-inner { max-width: 820px; }
.hero-title { margin-bottom: 1.5rem; }
.hero-lead { max-width: 56ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 2rem;
    list-style: none;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--muted);
}
.hero-meta li::before { content: "▸ "; color: var(--border-strong); }

/* Hero в две колони (текст + dashboard визуал) */
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 3.5rem); align-items: center; }
.hero-grid .hero-inner { max-width: 620px; }

.hero-visual { position: relative; min-height: 380px; }
.dash-card {
    position: absolute;
    width: 270px;
    padding: 1.1rem 1.2rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 50px -28px rgba(0, 0, 0, 0.28);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.dash-1 { top: 0;     left: 0;     transform: rotate(-3deg);   z-index: 1; }
.dash-2 { top: 54px;  left: 120px; transform: rotate(2.5deg);  z-index: 2; }
.dash-3 { top: 172px; left: 36px;  transform: rotate(-1.5deg); z-index: 3; }
.dash-card:hover {
    transform: translateY(-10px) rotate(0deg);
    box-shadow: 0 32px 60px -22px rgba(0, 0, 0, 0.38);
    z-index: 10;
}

.dash-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.75rem; }
.dash-title { font-family: var(--font-mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.dash-stat { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; }
.dash-sub { font-size: 0.78rem; color: var(--muted); }

.spark { display: flex; align-items: flex-end; gap: 4px; height: 42px; margin-top: 0.85rem; }
.spark span { flex: 1; background: #e5e5e5; border-radius: 2px 2px 0 0; }
.spark .spark-peak { background: var(--accent); }

.dash-list { list-style: none; display: grid; gap: 0.5rem; }
.dash-list li { display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--fg-soft); }
.dash-num { font-family: var(--font-mono); color: var(--fg); }
.dash-pill { font-family: var(--font-mono); font-size: 0.66rem; padding: 0.15rem 0.45rem; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); }
.dash-row { display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--fg-soft); margin: 0.45rem 0 0.3rem; }
.dash-bar { height: 6px; background: #ededed; border-radius: 999px; overflow: hidden; }
.dash-bar i { display: block; height: 100%; background: var(--accent); }

/* =============================================================
   Заглавия на секции
   ============================================================= */
.section-head { max-width: 60ch; margin-bottom: 3rem; }
.section-head h2 { margin-bottom: 1rem; }

.section-soft { background: var(--bg-soft); border-block: 1px solid var(--border); }

/* =============================================================
   Карти (две колони)
   ============================================================= */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }

.card {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg);
}
.card-dark { background: var(--fg); color: #fff; border-color: var(--fg); }
.card-dark p { color: rgba(255, 255, 255, 0.7); }
.card-dark .card-tag { color: rgba(255, 255, 255, 0.55); }
.card-dark .card-link { color: #fff; }

.card-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.03em;
    color: var(--muted);
}
.card-link { margin-top: auto; font-family: var(--font-mono); font-size: 0.85rem; color: var(--fg); font-weight: 500; }

/* =============================================================
   Split секции (текст + визуал)
   ============================================================= */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.split-text h2 { margin-block: 0.75rem 1rem; }
.split-reverse .split-visual { order: -1; }

.check-list { list-style: none; margin: 1.5rem 0; display: grid; gap: 0.75rem; }
.check-list li { position: relative; padding-left: 1.75rem; color: var(--fg-soft); }
.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--fg);
}

/* Mock прозорец (developer aesthetic) */
.mock {
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg);
    box-shadow: 0 24px 50px -30px rgba(0, 0, 0, 0.3);
}
.mock-bar {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.8rem 1rem;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
}
.mock-bar > span:not(.mock-title) { width: 11px; height: 11px; border-radius: 50%; background: var(--border-strong); }
.mock-title { margin-left: 0.6rem; font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); }
.mock-badge { margin-left: auto; }
.mock-body { padding: 1.5rem; font-family: var(--font-mono); font-size: 0.88rem; }
.mock-body p { color: var(--fg-soft); margin-bottom: 0.6rem; }
.mock-body p:last-child { margin-bottom: 0; }
.mock-key { color: var(--fg); font-weight: 600; }

.mock-modules { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.mock-chip {
    padding: 0.4rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.8rem;
    color: var(--fg-soft);
    background: var(--bg-soft);
}
.mock-chip-muted { color: var(--muted); border-style: dashed; }

/* =============================================================
   Terminal блок (developer aesthetic)
   ============================================================= */
.terminal {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #0d1117;
    border: 1px solid #1f2430;
    box-shadow: 0 24px 50px -30px rgba(0, 0, 0, 0.55);
    font-family: var(--font-mono);
}
.terminal-bar {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.75rem 1rem;
    background: #161b22;
    border-bottom: 1px solid #1f2430;
}
.terminal-bar .tdot { width: 11px; height: 11px; border-radius: 50%; background: #30363d; }
.terminal-title { margin-left: 0.6rem; font-size: 0.78rem; color: #6e7681; }

.terminal-body {
    margin: 0;
    padding: 1.25rem 1.4rem;
    font-size: 0.82rem;
    line-height: 1.75;
    color: #c9d1d9;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
}
.t-prompt { color: #7ee787; }   /* зелен промпт */
.t-muted  { color: #6e7681; }   /* коментар */
.t-ok     { color: #3fb950; }   /* успех */
.t-warn   { color: #d29922; }   /* предупреждение */
.t-key    { color: #79c0ff; }   /* команда / ключ */
.t-str    { color: #a5d6ff; }   /* стойност */

/* =============================================================
   Live badge с pulse
   ============================================================= */
.badge-live {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 0.28rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--bg);
    color: var(--fg-soft);
}
.pulse-dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: #22c55e; flex-shrink: 0; }
.pulse-dot::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: #22c55e;
    animation: pulse 1.8s ease-out infinite;
}
@keyframes pulse {
    0%   { transform: scale(1);   opacity: 0.7; }
    100% { transform: scale(3.2); opacity: 0; }
}

/* =============================================================
   Модули grid
   ============================================================= */
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.module-card {
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: border-color 0.12s ease, transform 0.08s ease;
}
.module-card h3 { font-size: 1.15rem; margin-bottom: 0.4rem; }
.module-card p { font-size: 0.9rem; color: var(--muted); }
.module-card:hover { border-color: var(--border-strong); }
.module-card-more { background: var(--fg); color: #fff; border-color: var(--fg); display: flex; flex-direction: column; justify-content: center; }
.module-card-more h3, .module-card-more p { color: #fff; }
.module-card-more p { color: rgba(255, 255, 255, 0.7); }

/* =============================================================
   Каталог модули (по групи)
   ============================================================= */
.catalog { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.catalog-group {
    padding: 1.75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.catalog-title { font-size: 1.05rem; margin-bottom: 1rem; }
.catalog-list { list-style: none; display: grid; gap: 0.5rem; }
.catalog-list li {
    position: relative;
    padding-left: 1.1rem;
    font-size: 0.92rem;
    color: var(--fg-soft);
}
.catalog-list li::before {
    content: "·";
    position: absolute;
    left: 0.15rem;
    font-family: var(--font-mono);
    color: var(--muted);
}

/* =============================================================
   Индустрии grid
   ============================================================= */
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.industry-card { padding: 1.75rem 1.5rem; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.industry-num { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); }
.industry-card h3 { font-size: 1.1rem; margin-block: 0.75rem 0.4rem; }
.industry-card p { font-size: 0.9rem; color: var(--muted); }

/* =============================================================
   Стъпки (как работим)
   ============================================================= */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; counter-reset: step; }
.step { padding-top: 1.25rem; border-top: 2px solid var(--fg); }
.step-num { font-family: var(--font-mono); font-size: 0.85rem; color: var(--muted); }
.step h3 { font-size: 1.15rem; margin-block: 0.75rem 0.5rem; }
.step p { font-size: 0.92rem; color: var(--fg-soft); }

/* =============================================================
   Защо Smartbion
   ============================================================= */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.why-card { padding: 1.75rem; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--bg); }
.why-card h3 { font-size: 1.2rem; margin-bottom: 0.6rem; }
.why-card p { color: var(--fg-soft); }

/* =============================================================
   Контакти + форма
   ============================================================= */
.hero-short { padding-block: clamp(3.5rem, 7vw, 5.5rem) clamp(1.5rem, 3vw, 2.5rem); }

.contact-grid { display: grid; grid-template-columns: 0.8fr 1.4fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }

.contact-aside { display: grid; gap: 1.5rem; }
.contact-item { display: flex; flex-direction: column; gap: 0.25rem; }
.contact-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
}
.contact-value { font-size: 1.05rem; color: var(--fg); }
a.contact-value:hover { text-decoration: underline; }

.contact-form-wrap {
    padding: clamp(1.5rem, 3vw, 2.25rem);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg);
}

.contact-form { display: grid; gap: 1.25rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label { font-size: 0.88rem; font-weight: 500; color: var(--fg); }
.req { color: #c0392b; }

.field input,
.field textarea {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--fg);
    padding: 0.7rem 0.85rem;
    background: var(--bg);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    transition: border-color 0.12s ease, box-shadow 0.12s ease;
    width: 100%;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus,
.field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15); }
.field input.has-error,
.field textarea.has-error { border-color: #c0392b; }
.field-error { font-size: 0.82rem; color: #c0392b; }

.form-foot { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem; }
.form-note { font-size: 0.82rem; color: var(--muted); }

/* honeypot — скрит за хора */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Съобщения */
.alert { padding: 1rem 1.25rem; border-radius: var(--radius); font-size: 0.95rem; }
.alert-ok  { background: #f0fdf4; border: 1px solid #bbf7d0; color: #166534; }
.alert-err { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; }

/* =============================================================
   CTA лента
   ============================================================= */
.cta-band {
    position: relative;
    overflow: hidden;
    padding: clamp(2.5rem, 6vw, 4.5rem);
    background: var(--fg);
    border-radius: var(--radius-lg);
    text-align: center;
}
.cta-band .dotgrid {
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
    -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 95%);
    mask-image: linear-gradient(180deg, #000 0%, transparent 95%);
}
.cta-content { position: relative; max-width: 56ch; margin-inline: auto; }
.cta-content h2 { color: #fff; }
.cta-content .lead { color: rgba(255, 255, 255, 0.7); margin-top: 1rem; }
.cta-content .hero-actions { justify-content: center; }

.hl-dark { background: var(--highlight); color: var(--fg); padding: 0 0.12em; border-radius: 3px; }

.btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.3); }
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); }

/* =============================================================
   Scroll reveal (fade-in отдолу нагоре) — само при активен JS
   ============================================================= */
.js [data-reveal] > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.js [data-reveal] > *.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    .js [data-reveal] > * { opacity: 1 !important; transform: none !important; }
}

/* =============================================================
   Responsive
   ============================================================= */
@media (max-width: 980px) {
    .module-grid { grid-template-columns: repeat(2, 1fr); }
    .industry-grid { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .catalog { grid-template-columns: repeat(2, 1fr); }

    .hero-grid { grid-template-columns: 1fr; }
    .hero-visual { position: static; min-height: auto; display: grid; gap: 1rem; margin-top: 2.5rem; max-width: 340px; }
    .dash-card { position: static; width: auto; transform: none; }
    .dash-card:hover { transform: translateY(-4px); }
}

@media (max-width: 860px) {
    .nav-links, .nav-cta { display: none; }
    .nav-toggle { display: flex; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .grid-2 { grid-template-columns: 1fr; }
    .split { grid-template-columns: 1fr; }
    .split-reverse .split-visual { order: 0; }
    .why-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .field-row { grid-template-columns: 1fr; }
}

@media (min-width: 861px) {
    .mobile-nav { display: none !important; }
}

@media (max-width: 520px) {
    .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}