/* =====================================================================
   ТОКЕНЫ
   ===================================================================== */
:root {
    --bg-dark: #0F172A;
    --bg-card: #1E293B;
    --bg-footer: #0B1120;

    --primary-green: #10B981;
    --primary-hover: #059669;
    --accent-light: #34D399;

    --text-main: #F8FAFC;
    --text-gray: #94A3B8;
    --text-dim: #64748B;
    --border-color: #334155;
    --border-soft: rgba(148, 163, 184, 0.16);

    --icon-brightness: brightness(0.8);
    --shadow-color: rgba(0, 0, 0, 0.3);

    /* Чертёжная сетка + свечения + стекло */
    --grid-line: rgba(148, 163, 184, 0.06);
    --grid-line-strong: rgba(148, 163, 184, 0.10);
    --grid-size: 46px;
    --glow-a: rgba(16, 185, 129, 0.16);
    --glow-b: rgba(56, 189, 248, 0.12);
    --glow-c: rgba(52, 211, 153, 0.10);
    --card-glass: rgba(30, 41, 59, 0.55);
    --panel-glass: rgba(15, 23, 42, 0.55);
    --card-border: rgba(148, 163, 184, 0.16);

    --container: 1180px;
    --gutter: clamp(18px, 4vw, 36px);
    --section-y: clamp(34px, 4vw, 54px);
    --header-h: 62px;

    --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 20px;
    --sp-6: 24px; --sp-8: 32px; --sp-10: 40px; --sp-12: 48px;

    --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 22px; --r-full: 999px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.28);
    --shadow-lg: 0 18px 44px rgba(0, 0, 0, 0.34);
    --shadow-xl: 0 30px 70px rgba(0, 0, 0, 0.42);
    --glow: 0 10px 34px rgba(16, 185, 129, 0.30);

    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;

    --gradient-hero:
        radial-gradient(650px circle at 15% -20%, rgba(16, 185, 129, 0.28), transparent 55%),
        radial-gradient(550px circle at 90% -10%, rgba(52, 211, 153, 0.20), transparent 50%);
}

body.light-theme {
    --bg-dark: #F6F8FB;
    --bg-card: #FFFFFF;
    --bg-footer: #E7ECF3;

    --text-main: #0F172A;
    --text-gray: #475569;
    --text-dim: #94A3B8;
    --border-color: #E2E8F0;
    --border-soft: rgba(15, 23, 42, 0.08);

    --icon-brightness: brightness(0.9) invert(0.8);
    --shadow-color: rgba(148, 163, 184, 0.22);

    --grid-line: rgba(30, 58, 138, 0.07);
    --grid-line-strong: rgba(30, 58, 138, 0.12);
    --glow-a: rgba(16, 185, 129, 0.14);
    --glow-b: rgba(56, 189, 248, 0.12);
    --glow-c: rgba(52, 211, 153, 0.10);
    --card-glass: rgba(255, 255, 255, 0.72);
    --panel-glass: rgba(255, 255, 255, 0.62);
    --card-border: rgba(15, 23, 42, 0.08);

    --shadow-md: 0 8px 24px rgba(2, 6, 23, 0.08);
    --shadow-lg: 0 18px 44px rgba(2, 6, 23, 0.10);
    --shadow-xl: 0 30px 70px rgba(2, 6, 23, 0.13);
    --glow: 0 10px 34px rgba(16, 185, 129, 0.22);

    --gradient-hero:
        radial-gradient(650px circle at 15% -20%, rgba(16, 185, 129, 0.18), transparent 55%),
        radial-gradient(550px circle at 90% -10%, rgba(52, 211, 153, 0.13), transparent 50%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.55;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    transition: color 0.3s;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
body::before {
    content: "";
    position: fixed; inset: 0; z-index: -2;
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(1000px circle at 8% -5%, var(--glow-a), transparent 42%),
        radial-gradient(900px circle at 95% 3%, var(--glow-b), transparent 40%),
        radial-gradient(1100px circle at 50% 108%, var(--glow-c), transparent 45%),
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
        linear-gradient(var(--grid-line-strong) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line-strong) 1px, transparent 1px);
    background-size:
        100% 100%, 100% 100%, 100% 100%,
        var(--grid-size) var(--grid-size), var(--grid-size) var(--grid-size),
        calc(var(--grid-size) * 5) calc(var(--grid-size) * 5), calc(var(--grid-size) * 5) calc(var(--grid-size) * 5);
    transition: background-color 0.3s;
}

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }

:focus-visible { outline: 2px solid var(--accent-light); outline-offset: 3px; border-radius: 4px; }
:focus:not(:focus-visible) { outline: none; }

/* Анимации */
@keyframes textShimmer { 0% { background-position: 0% 50%; } 100% { background-position: 200% 50%; } }
@keyframes barShimmer  { 0% { background-position: 200% 50%; } 100% { background-position: 0% 50%; } }
@keyframes sheen { 0% { transform: translateX(-160%) skewX(-20deg); } 100% { transform: translateX(260%) skewX(-20deg); } }
@keyframes floatUpDown {
    0% { transform: translateY(110vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.14; } 90% { opacity: 0.14; }
    100% { transform: translateY(-10vh) rotate(360deg); opacity: 0; }
}
@keyframes badgePulse { 0%,100% { box-shadow: 0 0 0 0 rgba(16,185,129,.45);} 70% { box-shadow: 0 0 0 6px rgba(16,185,129,0);} }

.js .reveal { opacity: 0; transform: translateY(22px); }
.reveal { transition: opacity 0.6s cubic-bezier(.16,1,.3,1), transform 0.6s cubic-bezier(.16,1,.3,1); }
.reveal.in { opacity: 1; transform: none; }

/* =====================================================================
   ШАПКА
   ===================================================================== */
header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    background: var(--panel-glass);
    backdrop-filter: blur(16px) saturate(150%);
    -webkit-backdrop-filter: blur(16px) saturate(150%);
    border-bottom: 1px solid var(--border-soft);
    padding-top: env(safe-area-inset-top);
    transition: border-color 0.3s, box-shadow 0.3s;
}
header.scrolled { border-bottom-color: var(--border-color); box-shadow: var(--shadow-md); }

.nav-container {
    max-width: var(--container); margin-inline: auto;
    padding: 11px var(--gutter);
    display: flex; align-items: center; justify-content: space-between; gap: var(--sp-6);
}
.logo {
    display: flex; align-items: center; gap: 10px;
    font-size: 21px; font-weight: 800; color: var(--text-main); letter-spacing: -0.5px;
    text-decoration: none; z-index: 1001;
}
.logo img { width: 28px; height: 28px; object-fit: contain; }
.logo img.logo-light { display: none; }
.logo img.logo-dark { display: block; }
body.light-theme .logo img.logo-light { display: block; }
body.light-theme .logo img.logo-dark { display: none; }

.header-nav { display: flex; align-items: center; gap: 28px; }
nav { display: flex; gap: 2px; }
nav a {
    position: relative; text-decoration: none; color: var(--text-gray);
    font-weight: 600; font-size: 14.5px; padding: 7px 11px; border-radius: var(--r-sm);
    transition: color 0.25s;
}
nav a::after {
    content: ""; position: absolute; left: 11px; right: 11px; bottom: 3px; height: 2px; border-radius: 2px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-light));
    transform: scaleX(0); transform-origin: left; transition: transform 0.28s ease;
}
nav a:hover { color: var(--text-main); }
nav a:hover::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 12px; }
.theme-toggle-btn {
    background: none; border: none; font-size: 19px; cursor: pointer;
    width: 36px; height: 36px; border-radius: var(--r-sm);
    display: flex; align-items: center; justify-content: center;
    transition: transform 0.3s, background-color 0.25s;
}
.theme-toggle-btn:hover { transform: scale(1.12); background: var(--card-glass); }

.btn-download-sm {
    position: relative; overflow: hidden;
    display: inline-flex; align-items: center; gap: 7px;
    padding: 9px 18px; border-radius: var(--r-sm);
    background: linear-gradient(135deg, var(--primary-green), var(--primary-hover));
    color: #fff; text-decoration: none; font-weight: 600; font-size: 14.5px; border: none; cursor: pointer;
    box-shadow: 0 4px 14px rgba(16,185,129,.28);
    transition: transform 0.25s, box-shadow 0.25s, filter 0.25s;
}
.btn-download-sm:hover { transform: translateY(-1px); filter: brightness(1.05); box-shadow: var(--glow); }

.hamburger { display: none; flex-direction: column; gap: 6px; background: none; border: none; cursor: pointer; z-index: 1001; padding: 4px; }
.hamburger span { width: 26px; height: 3px; background: var(--text-main); transition: all 0.3s ease; border-radius: 3px; }

/* =====================================================================
   КНОПКИ (общие)
   ===================================================================== */
.btn-main {
    position: relative; overflow: hidden;
    display: inline-flex; justify-content: center; align-items: center; gap: 8px;
    padding: 14px 30px; border-radius: var(--r-sm); border: none; cursor: pointer;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-hover));
    color: #fff; text-decoration: none; font-size: 15.5px; font-weight: 600;
    box-shadow: 0 6px 22px rgba(16,185,129,.28);
    transition: filter 0.25s, transform 0.25s, box-shadow 0.25s;
}
.btn-main::after {
    content: ""; position: absolute; top: 0; left: 0; width: 60%; height: 100%;
    background: linear-gradient(105deg, transparent, rgba(255,255,255,.4), transparent);
    transform: translateX(-160%) skewX(-20deg);
}
.btn-main:hover { filter: brightness(1.05); transform: translateY(-2px); box-shadow: var(--glow); }
.btn-main:hover::after { animation: sheen 0.9s ease; }
.btn-main:active { transform: translateY(0); }

.btn-secondary {
    display: inline-flex; justify-content: center; align-items: center; gap: 8px;
    padding: 14px 26px; border-radius: var(--r-sm); cursor: pointer;
    background: var(--card-glass); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    color: var(--text-main); text-decoration: none; font-size: 15.5px; font-weight: 600;
    border: 1px solid var(--card-border);
    transition: border-color 0.25s, color 0.25s;
}
.btn-secondary:hover { border-color: var(--primary-green); color: var(--primary-green); }

/* =====================================================================
   HERO (компактный, центрированный)
   ===================================================================== */
.hero {
    position: relative; overflow: hidden; text-align: center;
    padding: calc(var(--header-h) + 40px) 0 var(--sp-10);
    background-image: var(--gradient-hero);
    background-repeat: no-repeat, no-repeat;
}
.hero-particles, .hero-background-particles { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.floating-icon { position: absolute; opacity: 0; filter: grayscale(1) var(--icon-brightness); pointer-events: none; animation: floatUpDown linear infinite; }
.hero > .container, .hero > *:not(.hero-particles):not(.hero-background-particles) { position: relative; z-index: 2; }

.eyebrow {
    display: inline-flex; align-items: center; gap: 9px;
    font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase;
    color: var(--primary-green);
    padding: 6px 14px; border: 1px solid var(--border-color); border-radius: var(--r-full);
    background: var(--card-glass);
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary-green); animation: badgePulse 2.4s ease-out infinite; }

.hero h1 {
    font-size: clamp(34px, 5.6vw, 58px); font-weight: 800; line-height: 1.03; letter-spacing: -1.5px;
    margin: var(--sp-5) auto var(--sp-4); max-width: 14ch;
}
.hero h1 .accent {
    background: linear-gradient(100deg, var(--primary-green) 0%, var(--accent-light) 25%, #6EE7B7 50%, var(--accent-light) 75%, var(--primary-green) 100%);
    background-size: 200% auto; -webkit-background-clip: text; background-clip: text; color: transparent;
    animation: textShimmer 5s linear infinite;
}
.hero p { font-size: clamp(15px, 1.5vw, 18px); color: var(--text-gray); max-width: 560px; margin: 0 auto var(--sp-6); }

.hero-cta, .hero-actions { display: flex; gap: var(--sp-3); justify-content: center; flex-wrap: wrap; }

.stat-row, .hero-trust { display: flex; justify-content: center; gap: var(--sp-3); flex-wrap: wrap; margin-top: var(--sp-6); }
.stat-chip {
    display: flex; align-items: baseline; gap: 7px;
    padding: 8px 16px; border-radius: var(--r-full);
    background: var(--card-glass); border: 1px solid var(--card-border);
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.stat-chip b { font-family: var(--font-mono); font-weight: 700; font-size: 15px; color: var(--text-main); letter-spacing: -0.3px; }
.stat-chip span { font-size: 13px; color: var(--text-gray); }

/* ===== Мини-hero для внутренних страниц (инструменты) ===== */
.page-hero {
    position: relative; overflow: hidden; text-align: center;
    padding: calc(var(--header-h) + 42px) 0 var(--sp-8);
    background-image: var(--gradient-hero);
    background-repeat: no-repeat, no-repeat;
}
.page-hero > * { position: relative; z-index: 2; }

.breadcrumb {
    display: flex; justify-content: center; gap: 8px; flex-wrap: wrap;
    color: var(--text-gray); font-size: 13.5px; margin-bottom: var(--sp-4);
    font-family: var(--font-mono);
}
.breadcrumb a { color: var(--text-gray); text-decoration: none; font-weight: 600; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--primary-green); }
.breadcrumb span { color: var(--text-dim); }
.breadcrumb b { color: var(--text-main); }
.breadcrumb-left { justify-content: flex-start; margin-left: -2px; }

.page-hero h1 { font-size: clamp(28px, 4vw, 40px); color: var(--text-main); letter-spacing: -0.8px; margin-bottom: var(--sp-3); font-weight: 800; }
.page-hero p { color: var(--text-gray); font-size: 16.5px; max-width: 620px; margin: 0 auto; }

.group-badge {
    display: inline-flex; align-items: center; padding: 5px 14px; border-radius: var(--r-full);
    background: var(--card-glass); border: 1px solid var(--card-border);
    color: var(--primary-green); font-family: var(--font-mono); font-size: 11.5px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1px; margin-bottom: var(--sp-4);
}

/* ===== Hero отдельного инструмента (icon + title + lead + actions) ===== */
.tool-hero-grid {
    display: flex; align-items: center; gap: 32px; max-width: var(--container); margin: 0 auto;
    padding-inline: var(--gutter); text-align: left;
}
.tool-hero-icon {
    width: 90px; height: 90px; flex-shrink: 0;
    background: var(--card-glass); border: 1px solid var(--card-border); border-radius: var(--r-xl);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-lg);
}
.tool-hero-icon img { width: 48px; height: 48px; object-fit: contain; }
.tool-hero-text h1 { font-size: clamp(26px, 3.6vw, 34px); margin: 8px 0 12px; color: var(--text-main); letter-spacing: -0.6px; font-weight: 800; }
.tool-hero-text p { font-size: 15.5px; color: var(--text-gray); margin-bottom: 22px; max-width: 560px; }
.tool-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

@media (max-width: 700px) {
    .tool-hero-grid { flex-direction: column; text-align: center; }
    .tool-hero-text p { margin-left: auto; margin-right: auto; }
    .tool-hero-actions { justify-content: center; }
}

/* =====================================================================
   ВИЗУАЛЬНЫЙ HERO ИНСТРУМЕНТА (export-model.html)
   ===================================================================== */
.tool-showcase-hero { text-align: left; }
.tool-showcase-inner {
    display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(28px, 4vw, 56px); align-items: center;
    max-width: var(--container); margin: 0 auto; padding-inline: var(--gutter); text-align: left;
}
.tool-showcase-text h1 { font-size: clamp(28px, 3.6vw, 38px); margin: 12px 0 14px; letter-spacing: -0.7px; font-weight: 800; }
.tool-showcase-text p.lead { font-size: 16px; color: var(--text-gray); max-width: 500px; margin-bottom: 24px; }
.tool-showcase-text .tool-hero-actions { margin-bottom: 26px; }

.format-chip-row { display: flex; gap: 10px; flex-wrap: wrap; }
.format-chip {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 7px 13px; border-radius: var(--r-full);
    background: var(--card-glass); border: 1px solid var(--card-border);
    font-family: var(--font-mono); font-size: 12.5px; font-weight: 700; letter-spacing: 0.3px;
}
.format-chip::before { content: ""; width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.format-chip.fmt-rvt::before { background: #10B981; }
.format-chip.fmt-nwc::before { background: #38BDF8; }
.format-chip.fmt-ifc::before { background: #FBBF24; }
.format-chip.fmt-server::before { background: #A78BFA; }

/* Мокап "консоли" экспорта */
.export-console {
    background: var(--panel-glass); border: 1px solid var(--card-border); border-radius: var(--r-xl);
    backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%);
    box-shadow: var(--shadow-xl), 0 0 60px rgba(16,185,129,.10);
    overflow: hidden;
}
.console-titlebar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--card-border); background: rgba(16,185,129,0.06); }
.console-titlebar .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--border-color); }
.console-titlebar b { margin-left: 6px; font-size: 12.5px; font-weight: 700; color: var(--text-main); }
.console-titlebar span { margin-left: auto; font-family: var(--font-mono); font-size: 10.5px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.6px; }
.console-body { padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.console-row {
    display: flex; align-items: center; gap: 12px; padding: 12px 14px;
    background: var(--bg-dark); border: 1px solid var(--border-color); border-radius: var(--r-md);
}
.console-row-icon {
    flex-shrink: 0; width: 34px; height: 34px; border-radius: var(--r-sm);
    background: var(--card-glass); border: 1px solid var(--card-border);
    display: flex; align-items: center; justify-content: center; font-size: 15px;
}
.console-row-info { flex: 1; min-width: 0; }
.console-row-name { font-size: 13.5px; font-weight: 700; color: var(--text-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.console-row-meta { font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); margin-top: 2px; }
.console-row-progress { width: 68px; height: 5px; border-radius: var(--r-full); background: var(--border-color); overflow: hidden; margin-top: 6px; }
.console-row-progress i {
    display: block; height: 100%; width: 68%; border-radius: var(--r-full);
    background: linear-gradient(90deg, var(--primary-green), var(--accent-light), var(--primary-green));
    background-size: 200% 100%; animation: barShimmer 2.2s linear infinite;
}
.console-row-badge {
    flex-shrink: 0; font-family: var(--font-mono); font-size: 10.5px; font-weight: 700;
    padding: 3px 9px; border-radius: var(--r-full);
}
.console-row-badge.fmt-rvt { color: #10B981; background: rgba(16,185,129,.16); border: 1px solid rgba(16,185,129,.4); }
.console-row-badge.fmt-nwc { color: #38BDF8; background: rgba(56,189,248,.16); border: 1px solid rgba(56,189,248,.4); }
.console-row-badge.fmt-ifc { color: #FBBF24; background: rgba(251,191,36,.16); border: 1px solid rgba(251,191,36,.4); }
.console-row-check {
    flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
    background: rgba(16,185,129,.15); color: var(--primary-green);
    display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 800;
}
.console-footer {
    display: flex; align-items: center; justify-content: space-between;
    padding: 13px 16px; border-top: 1px solid var(--card-border);
    font-family: var(--font-mono); font-size: 12px; color: var(--text-dim);
}
.console-footer b { color: var(--primary-green); font-weight: 700; }

.video-standalone { max-width: 860px; margin: 0 auto; }
.video-standalone.wide { max-width: 960px; }
.bento.cols-3 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 900px) {
    .tool-showcase-inner { grid-template-columns: 1fr; }
    .tool-showcase-text { text-align: center; }
    .tool-showcase-text p.lead { margin-left: auto; margin-right: auto; }
    .tool-showcase-text .tool-hero-actions, .format-chip-row, .breadcrumb-left { justify-content: center; }
}

/* =====================================================================
   КОМПАКТНЫЙ ВАРИАНТ СТРАНИЦЫ ИНСТРУМЕНТА (на всю ширину, минимум высоты)
   ===================================================================== */
.tool-bar {
    padding: calc(var(--header-h) + 18px) 0 18px;
    border-bottom: 1px solid var(--border-soft);
    background-image: var(--gradient-hero);
    background-repeat: no-repeat;
}
.tool-bar-inner { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.tool-bar-icon {
    flex-shrink: 0; width: 50px; height: 50px;
    background: var(--card-glass); border: 1px solid var(--card-border); border-radius: var(--r-md);
    display: flex; align-items: center; justify-content: center;
}
.tool-bar-icon img { width: 28px; height: 28px; object-fit: contain; }
.tool-bar-text { flex-shrink: 0; }
.breadcrumb-mini { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-dim); margin-bottom: 4px; }
.breadcrumb-mini a { color: var(--text-dim); text-decoration: none; }
.breadcrumb-mini a:hover { color: var(--primary-green); }
.breadcrumb-mini b { color: var(--text-main); }
.tool-bar-text h1 { font-size: clamp(19px, 2.2vw, 24px); font-weight: 800; letter-spacing: -0.4px; }
.tool-bar-badge {
    display: inline-flex; align-items: center; margin-right: 8px; vertical-align: middle; position: relative; top: -1px;
    padding: 3px 9px; border-radius: var(--r-full);
    background: rgba(16,185,129,.14); border: 1px solid rgba(16,185,129,.35); color: var(--primary-green);
    font-family: var(--font-mono); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px;
}
.tool-bar-desc { flex: 1; min-width: 240px; font-size: 13.5px; color: var(--text-gray); max-width: 420px; }
.tool-bar-actions { display: flex; gap: 10px; margin-left: auto; flex-shrink: 0; flex-wrap: wrap; }

.tool-compact-section { padding-block: var(--sp-8); }
.tool-compact-grid { display: grid; grid-template-columns: 1.1fr 0.85fr 0.85fr; gap: 24px; align-items: start; }
.tool-compact-grid.cols-2 { grid-template-columns: 1.6fr 0.75fr; }
.tc-heading {
    display: block; font-family: var(--font-mono); font-size: 11.5px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1.2px; color: var(--primary-green); margin-bottom: 10px;
}
.tc-heading-inline { margin-bottom: 0; }
.tc-list { list-style: none; display: flex; flex-direction: column; gap: 9px; margin-bottom: 18px; }
.tc-list:last-child { margin-bottom: 0; }
.tc-list li { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; color: var(--text-main); line-height: 1.4; }
.tc-side .format-chip-row { margin-bottom: 18px; }

.tool-bottom-bar { border-top: 1px solid var(--border-soft); margin-top: auto; }
.tool-bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.tool-bottom-inner.only-cta { justify-content: flex-end; }
.tool-bottom-related { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.tool-chip {
    display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text-main);
    padding: 6px 14px 6px 6px; border-radius: var(--r-full); border: 1px solid var(--card-border);
    background: var(--card-glass); font-size: 13px; font-weight: 600; transition: border-color 0.2s, transform 0.2s;
}
.tool-chip:hover { border-color: var(--primary-green); transform: translateY(-1px); }
.tool-chip img { width: 22px; height: 22px; object-fit: contain; border-radius: 50%; background: var(--bg-dark); padding: 4px; }
.tool-bottom-cta { display: flex; align-items: center; gap: 16px; }
.tool-bottom-cta-text { text-align: right; }
.tool-bottom-cta-text b { display: block; font-size: 14px; }
.tool-bottom-cta-text span { font-size: 12.5px; color: var(--text-gray); }

@media (max-width: 900px) {
    .tool-compact-grid { grid-template-columns: 1fr 1fr; }
    .tc-video { grid-column: span 2; }
}
@media (max-width: 640px) {
    .tool-bar-inner { flex-direction: column; align-items: flex-start; }
    .tool-bar-actions { margin-left: 0; width: 100%; }
    .tool-compact-grid { grid-template-columns: 1fr; }
    .tc-video { grid-column: auto; }
    .tool-bottom-inner { flex-direction: column; align-items: stretch; }
    .tool-bottom-cta { justify-content: space-between; }
    .tool-bottom-cta-text { text-align: left; }
}

/* =====================================================================
   ФОРМАТ-СТРОКА + СРАВНЕНИЕ (альтернативный вариант страницы инструмента)
   ===================================================================== */
.format-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.format-card {
    display: flex; align-items: center; gap: 14px; padding: 18px;
    background: var(--card-glass); border: 1px solid var(--card-border); border-radius: var(--r-lg);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.format-card-icon {
    flex-shrink: 0; width: 44px; height: 44px; border-radius: var(--r-md);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-mono); font-weight: 700; font-size: 12px;
}
.format-card.fmt-rvt .format-card-icon { color: #10B981; background: rgba(16,185,129,.14); border: 1px solid rgba(16,185,129,.35); }
.format-card.fmt-nwc .format-card-icon { color: #38BDF8; background: rgba(56,189,248,.14); border: 1px solid rgba(56,189,248,.35); }
.format-card.fmt-ifc .format-card-icon { color: #FBBF24; background: rgba(251,191,36,.14); border: 1px solid rgba(251,191,36,.35); }
.format-card.fmt-server .format-card-icon { color: #A78BFA; background: rgba(167,139,250,.14); border: 1px solid rgba(167,139,250,.35); }
.format-card h4 { font-size: 14.5px; font-weight: 700; color: var(--text-main); }
.format-card p { font-size: 12.5px; color: var(--text-gray); margin-top: 2px; }

.compare-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compare-col {
    border-radius: var(--r-lg); padding: 24px; border: 1px solid var(--card-border);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.compare-col.bad { background: linear-gradient(150deg, rgba(239,68,68,0.08), transparent 45%), var(--card-glass); }
.compare-col.good { background: linear-gradient(150deg, rgba(16,185,129,0.10), transparent 45%), var(--card-glass); }
.compare-col-title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 16px; }
.compare-col.bad .compare-col-title { color: #F87171; }
.compare-col.good .compare-col-title { color: var(--primary-green); }
.compare-item { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; margin-bottom: 12px; line-height: 1.4; }
.compare-item:last-child { margin-bottom: 0; }
.feature-cross {
    flex-shrink: 0; width: 20px; height: 20px; border-radius: 50%; margin-top: 1px;
    background: rgba(239,68,68,.15); color: #F87171;
    font-size: 11px; font-weight: 800; display: flex; align-items: center; justify-content: center;
}

.card-icon { display: flex; align-items: center; justify-content: center; font-size: 19px; }

/* =====================================================================
   РИББОН-ПАНЕЛЬ (на всю ширину)
   ===================================================================== */
.ribbon-section { padding-block: 0 var(--section-y); }
.ribbon-panel {
    background: var(--panel-glass);
    backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%);
    border: 1px solid var(--card-border); border-radius: var(--r-lg);
    box-shadow: var(--shadow-xl), inset 0 1px 0 rgba(255,255,255,.05);
    overflow: hidden;
}
.ribbon-tab {
    display: flex; align-items: center; gap: 9px;
    padding: 11px 18px; border-bottom: 1px solid var(--card-border);
    font-weight: 800; font-size: 13.5px; color: var(--text-main);
    background: rgba(16,185,129,0.06);
}
.ribbon-tab img { width: 20px; height: 20px; object-fit: contain; }
.ribbon-tab .ribbon-hint { margin-left: auto; font-family: var(--font-mono); font-weight: 500; font-size: 11px; letter-spacing: 0.5px; text-transform: uppercase; color: var(--text-dim); }
.ribbon-groups { display: grid; grid-template-columns: repeat(4, 1fr); }
.ribbon-group {
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    padding: 18px 14px;
}
.ribbon-group:not(:last-child) { border-right: 1px solid var(--card-border); }
.ribbon-icons { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.ribbon-icons img {
    width: 34px; height: 34px; object-fit: contain; padding: 6px;
    background: var(--bg-dark); border: 1px solid var(--border-color); border-radius: var(--r-sm);
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.ribbon-icons img:hover { transform: translateY(-3px); border-color: var(--primary-green); box-shadow: 0 6px 16px rgba(16,185,129,.25); }
.ribbon-group > span { font-family: var(--font-mono); font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text-dim); }

/* =====================================================================
   СЕКЦИИ / ЗАГОЛОВКИ
   ===================================================================== */
.section { padding-block: var(--section-y); scroll-margin-top: calc(var(--header-h) + 14px); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--sp-6); margin-bottom: var(--sp-6); flex-wrap: wrap; }
.section-head .head-l { max-width: 640px; }
.head-eyebrow { font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--primary-green); }
.section-title { font-size: clamp(24px, 3.2vw, 33px); font-weight: 800; letter-spacing: -0.8px; line-height: 1.12; margin-top: var(--sp-2); }
.title-bar {
    width: 54px; height: 3px; border-radius: 2px; margin: var(--sp-3) auto 0;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-light), var(--primary-green));
    background-size: 200% 100%; animation: barShimmer 3.5s linear infinite;
}
.section-head .title-bar { margin-left: 0; }
.section-sub, .section-subtitle { color: var(--text-gray); font-size: 15px; margin-top: var(--sp-3); }
.head-link { color: var(--primary-green); font-weight: 600; font-size: 14.5px; text-decoration: none; white-space: nowrap; }
.head-link:hover { text-decoration: underline; }

.section-title.centered, .section > .section-title { text-align: center; }
.section > .section-subtitle { text-align: center; max-width: 620px; margin: var(--sp-3) auto var(--sp-8); }
.section > .title-bar { margin-left: auto; margin-right: auto; }

/* =====================================================================
   BENTO-СЕТКА ИНСТРУМЕНТОВ
   ===================================================================== */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.tool, .card {
    position: relative; overflow: hidden;
    display: flex; flex-direction: column; gap: 8px;
    padding: var(--sp-5); border-radius: var(--r-lg);
    background: var(--card-glass); border: 1px solid var(--card-border);
    backdrop-filter: blur(12px) saturate(130%); -webkit-backdrop-filter: blur(12px) saturate(130%);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.tool::before, .card::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-light));
    transform: scaleX(0); transform-origin: left; transition: transform 0.35s ease;
}
.tool:hover, .card:hover { transform: translateY(-5px); border-color: rgba(16,185,129,.5); box-shadow: var(--shadow-lg), 0 0 40px rgba(16,185,129,.15); }
.tool:hover::before, .card:hover::before { transform: scaleX(1); }
.tool img, .card-icon {
    width: 42px; height: 42px; object-fit: contain; padding: 8px;
    background: var(--bg-dark); border: 1px solid var(--border-color); border-radius: var(--r-md);
}
.tool h3, .card h3 { font-size: 17px; font-weight: 700; letter-spacing: -0.3px; }
.tool p, .card p { font-size: 14px; color: var(--text-gray); flex-grow: 1; }

.tool.feature {
    grid-column: span 2; grid-row: span 2;
    justify-content: space-between;
    background: linear-gradient(150deg, rgba(16,185,129,0.12), transparent 45%), var(--card-glass);
}
.tool.feature img { width: 52px; height: 52px; }
.tool.feature h3 { font-size: 22px; }
.tool.feature p { font-size: 15px; }
.tool.feature .feature-tag {
    align-self: flex-start; font-family: var(--font-mono); font-size: 11px; font-weight: 600;
    letter-spacing: 1px; text-transform: uppercase; color: var(--primary-green);
    padding: 4px 10px; border: 1px solid rgba(16,185,129,.4); border-radius: var(--r-full); margin-bottom: 4px;
}

/* =====================================================================
   ШАГИ (компактная лента)
   ===================================================================== */
.steps, .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.step, .step-card {
    display: flex; gap: 14px; align-items: flex-start; text-align: left;
    padding: var(--sp-5); border-radius: var(--r-lg);
    background: var(--card-glass); border: 1px solid var(--card-border);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.step-num {
    flex-shrink: 0; width: 38px; height: 38px; border-radius: var(--r-md);
    background: linear-gradient(135deg, var(--primary-green), var(--primary-hover));
    color: #fff; font-family: var(--font-mono); font-weight: 700; font-size: 16px;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 6px 16px rgba(16,185,129,.35);
}
.step h4, .step-card h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 3px; }
.step p, .step-card p { font-size: 13.5px; color: var(--text-gray); line-height: 1.5; }

/* =====================================================================
   ПОДДЕРЖКА (широкий баннер)
   ===================================================================== */
.support-banner, .support-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 56px); align-items: center;
    padding: clamp(26px, 3.5vw, 44px);
    border-radius: var(--r-xl);
    background: linear-gradient(150deg, rgba(16,185,129,0.10), transparent 45%), var(--panel-glass);
    backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(16,185,129,.08);
    text-align: left;
}
.support-banner h2, .support-text .section-title { font-size: clamp(23px, 3vw, 30px); font-weight: 800; letter-spacing: -0.7px; line-height: 1.15; text-align: left; margin-left: 0; }
.support-banner .support-lead, .support-text .section-subtitle { color: var(--text-gray); font-size: 15px; margin: var(--sp-3) 0 var(--sp-5); max-width: 460px; text-align: left; }
.support-points { display: flex; flex-direction: column; gap: 10px; }
.support-point { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.feature-check {
    flex-shrink: 0; width: 20px; height: 20px; border-radius: 50%;
    background: rgba(16,185,129,.15); color: var(--primary-green);
    font-size: 11px; font-weight: 800; display: flex; align-items: center; justify-content: center;
}

.donate-box, .support-card {
    background: var(--card-glass); border: 1px solid var(--card-border); border-radius: var(--r-lg);
    padding: clamp(22px, 3vw, 30px); text-align: center;
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.amount-options { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: var(--sp-4); }
.amount-btn {
    padding: 11px 4px; background: transparent; border: 1px solid var(--border-color); border-radius: var(--r-sm);
    color: var(--text-main); font-family: var(--font-mono); font-weight: 600; font-size: 13.5px; cursor: pointer;
    transition: all 0.18s;
}
.amount-btn:hover { border-color: var(--primary-green); color: var(--primary-green); transform: translateY(-1px); }
.amount-btn.active { border-color: var(--primary-green); background: rgba(16,185,129,.12); color: var(--primary-green); }
.donate-custom, .support-custom { display: flex; align-items: center; gap: 10px; margin-bottom: var(--sp-4); justify-content: center; }
.donate-custom label, .support-custom label { font-size: 13px; color: var(--text-gray); font-weight: 600; white-space: nowrap; }
.donate-custom input, .support-custom input {
    flex: 1; min-width: 0; max-width: 160px; padding: 11px 14px; text-align: center; background: var(--bg-dark);
    border: 1px solid var(--border-color); border-radius: var(--r-sm); color: var(--text-main);
    font-family: var(--font-mono); font-size: 15px; font-weight: 700; outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.donate-custom input:focus, .support-custom input:focus { border-color: var(--primary-green); box-shadow: 0 0 0 3px rgba(16,185,129,.15); }
.donate-box .btn-main, .support-card .btn-main, .support-btn { width: 100%; }
.support-note { margin-top: var(--sp-3); font-size: 12.5px; color: var(--text-dim); }
.support-alert { margin-top: var(--sp-3); padding: 10px 14px; border-radius: var(--r-sm); font-size: 13.5px; display: none; }
.support-alert.success { background: rgba(16,185,129,.15); border: 1px solid var(--primary-green); color: #10B981; display: block; }
.support-alert.error { background: rgba(239,68,68,.15); border: 1px solid #ef4444; color: #EF4444; display: block; }

/* =====================================================================
   FAQ (две колонки)
   ===================================================================== */
.faq-grid, .faq-container { columns: 2; column-gap: 14px; }
details {
    break-inside: avoid; margin-bottom: 12px;
    background: var(--card-glass); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    border-radius: var(--r-md); border: 1px solid var(--card-border); overflow: hidden;
    transition: border-color 0.3s;
}
details[open] { border-color: var(--primary-green); }
summary {
    padding: 15px 18px; font-size: 15px; font-weight: 600; cursor: pointer; list-style: none;
    display: flex; justify-content: space-between; align-items: center; gap: 12px; transition: color 0.2s;
}
summary:hover { color: var(--primary-green); }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; flex-shrink: 0; color: var(--primary-green); font-size: 22px; line-height: 1; transition: transform 0.3s ease; }
details[open] summary::after { transform: rotate(45deg); }
.faq-content { padding: 0 18px 16px; color: var(--text-gray); font-size: 14px; line-height: 1.55; }

/* =====================================================================
   СПИСОК ИНСТРУМЕНТОВ (/instruments.html) — ПОИСК + ФИЛЬТР-ПАНЕЛЬ
   ===================================================================== */
.tools-toolbar {
    position: sticky; top: var(--header-h); z-index: 40;
    background: var(--panel-glass);
    backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%);
    border-bottom: 1px solid var(--card-border);
}
.tools-toolbar-top { margin-top: var(--header-h); }
.tools-toolbar-inner {
    max-width: var(--container); margin-inline: auto; padding: 14px var(--gutter);
    display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.tools-search {
    display: flex; align-items: center; gap: 10px; flex: 0 1 260px; min-width: 200px;
    background: var(--bg-dark); border: 1px solid var(--border-color); border-radius: var(--r-full);
    padding: 9px 16px;
}
.tools-search svg { width: 16px; height: 16px; color: var(--text-dim); flex-shrink: 0; }
.tools-search input {
    border: none; background: none; outline: none; color: var(--text-main); width: 100%;
    font-family: var(--font-body); font-size: 14px;
}
.tools-search input::placeholder { color: var(--text-dim); }

.tools-filters { display: flex; gap: 8px; flex-wrap: wrap; flex: 1; }
.filter-pill {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 8px 14px; border-radius: var(--r-full); border: 1px solid var(--border-color);
    background: var(--bg-dark); color: var(--text-gray); font-size: 13.5px; font-weight: 600;
    cursor: pointer; transition: all 0.2s; font-family: var(--font-body);
}
.filter-pill:hover { color: var(--text-main); border-color: var(--card-border); }
.filter-pill.active { background: rgba(16, 185, 129, 0.12); border-color: var(--primary-green); color: var(--primary-green); }
.filter-pill .count {
    font-family: var(--font-mono); font-size: 11px; font-weight: 700; line-height: 1;
    background: rgba(148, 163, 184, 0.16); color: var(--text-dim); border-radius: var(--r-full); padding: 2px 7px;
}
.filter-pill.active .count { background: rgba(16, 185, 129, 0.18); color: var(--primary-green); }

.tools-group { scroll-margin-top: calc(var(--header-h) + 64px); margin-bottom: 26px; }
.tools-group:last-child { margin-bottom: 0; }
.tools-group[hidden] { display: none; }
.tools-group-title {
    display: flex; align-items: center; gap: 10px;
    font-family: var(--font-mono); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px;
    color: var(--primary-green); margin-bottom: 12px; padding-left: 4px;
}
.tools-group-title::after { content: ""; flex: 1; height: 1px; background: var(--card-border); }

.tool-tile[hidden] { display: none; }

.tools-empty { display: none; text-align: center; padding: 40px 20px; color: var(--text-gray); }
.tools-empty.show { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.tools-empty svg { width: 38px; height: 38px; color: var(--text-dim); }
.tools-empty p { font-size: 15px; }
.tools-empty button {
    font-family: var(--font-body); font-size: 13.5px; font-weight: 600; color: var(--primary-green);
    background: none; border: 1px solid var(--border-color); border-radius: var(--r-full); padding: 8px 16px; cursor: pointer;
}

@media (max-width: 700px) {
    .tools-toolbar-inner { padding-block: 12px; }
    .tools-search { flex: 1 1 100%; }
    .tools-filters { flex: 1 1 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 2px; }
    .filter-pill { white-space: nowrap; }
}

/* =====================================================================
   ДЕТАЛЬНОЕ ОПИСАНИЕ ИНСТРУМЕНТА
   ===================================================================== */
.detail-icon {
    flex-shrink: 0; width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-dark); border: 1px solid var(--border-color); border-radius: var(--r-md);
}
.detail-icon img { width: 30px; height: 30px; object-fit: contain; }

.tool-body-grid {
    display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 50px; align-items: stretch;
    max-width: var(--container); margin: 0 auto 60px; padding-inline: var(--gutter);
}
@media (max-width: 900px) {
    .tool-body-grid { grid-template-columns: 1fr; gap: 30px; }
}

.tool-detail-body {
    max-width: 100%; margin: 0; height: 100%; box-sizing: border-box;
    background: var(--card-glass); border: 1px solid var(--card-border); border-radius: var(--r-lg);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    padding: 28px 30px;
}
.tool-detail-body p.lead { font-size: 18px; color: var(--text-main); margin-bottom: 10px; }
.tool-detail-body h3 { font-size: 20px; margin: 32px 0 16px; color: var(--text-main); }
.tool-body-grid .tool-detail-body h3:first-child { margin-top: 0; }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin-top: 8px; }
.feature-tile {
    display: flex; align-items: flex-start; gap: 12px;
    background: var(--bg-dark); border: 1px solid var(--border-color); border-radius: var(--r-md);
    padding: 16px 18px; font-size: 14.5px; color: var(--text-main); line-height: 1.5;
}

.video-block { width: 100%; }
.video-placeholder {
    width: 100%; margin: 0 auto; aspect-ratio: 16 / 9;
    background: var(--card-glass); border: 1px dashed var(--card-border); border-radius: var(--r-lg);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 12px; color: var(--text-gray);
    position: sticky; top: calc(var(--header-h) + 24px);
}
.video-placeholder .play-icon {
    width: 60px; height: 60px; border-radius: 50%;
    background: rgba(16, 185, 129, 0.12); color: var(--primary-green);
    display: flex; align-items: center; justify-content: center; font-size: 24px;
}
.video-placeholder span { font-size: 14px; font-weight: 600; }
.video-player {
    display: block; width: 100%; aspect-ratio: 16 / 9;
    background: var(--bg-card); border: 1px solid var(--card-border); border-radius: var(--r-lg);
    outline: none; position: sticky; top: calc(var(--header-h) + 24px);
}
@media (max-width: 900px) {
    .video-placeholder, .video-player { position: static; }
}

/* Видео-колонка выравнивается по нижнему краю с текстовой колонкой (по высоте .tool-detail-body) */
@media (min-width: 901px) {
    .tool-body-grid .video-block { display: flex; height: 100%; }
    .tool-body-grid .video-placeholder,
    .tool-body-grid .video-player { flex: 1; aspect-ratio: auto; }
}

.related-tools { max-width: var(--container); margin: 40px auto 0; padding-inline: var(--gutter); }
.tools-tile-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.tool-tile {
    position: relative; overflow: hidden;
    background: var(--card-glass); border: 1px solid var(--card-border); border-radius: var(--r-lg); padding: 18px;
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: 8px; transition: all 0.3s;
}
.tool-tile::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-light));
    transform: scaleX(0); transform-origin: left; transition: transform 0.35s ease;
}
.tool-tile:hover { transform: translateY(-5px); border-color: rgba(16,185,129,.5); box-shadow: var(--shadow-lg); }
.tool-tile:hover::before { transform: scaleX(1); }
.tool-tile .detail-icon { width: 40px; height: 40px; }
.tool-tile .detail-icon img { width: 22px; height: 22px; }
.tool-tile h4 { font-size: 15px; color: var(--text-main); font-weight: 700; }
.tool-tile p { font-size: 13px; color: var(--text-gray); flex-grow: 1; }
.tile-arrow { font-size: 12.5px; font-weight: 700; color: var(--primary-green); display: flex; align-items: center; gap: 4px; }

.cta-banner {
    max-width: 880px; margin: 40px auto 0; text-align: center; padding: 40px 30px; border-radius: var(--r-xl);
    border: 1px solid var(--card-border);
    background: linear-gradient(150deg, rgba(16,185,129,0.10), transparent 45%), var(--panel-glass);
    backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(16,185,129,.08);
}
.cta-banner h3 { font-size: 24px; margin-bottom: 10px; color: var(--text-main); }
.cta-banner p { color: var(--text-gray); margin-bottom: 26px; }

/* =====================================================================
   КАРУСЕЛЬ (используется опционально)
   ===================================================================== */
.carousel-wrapper { position: relative; max-width: 1600px; margin: 0 auto; display: flex; align-items: center; padding: 0 40px; }
.carousel-viewport { overflow: hidden; width: 100%; padding: 20px 0; margin: -20px 0; padding-top: 25px; padding-bottom: 35px; }
.carousel-track { display: flex; gap: 30px; }
.carousel-track .card { flex: 0 0 calc(20% - 24px); min-width: 0; }
.carousel-btn {
    position: absolute; top: 50%; transform: translateY(-50%); width: 50px; height: 50px;
    background: var(--card-glass); border: 1px solid var(--card-border); border-radius: 50%;
    color: var(--text-gray); font-size: 20px; display: flex; align-items: center; justify-content: center;
    cursor: pointer; box-shadow: var(--shadow-md); z-index: 10; transition: all 0.3s;
}
.carousel-btn:hover { background: var(--primary-green); color: white; border-color: var(--primary-green); }
.carousel-btn.prev { left: 0; }
.carousel-btn.next { right: 0; }
@media (max-width: 1440px) { .carousel-track .card { flex: 0 0 calc(25% - 22.5px); } }
@media (max-width: 1024px) { .carousel-track .card { flex: 0 0 calc(33.333% - 20px); } }
@media (max-width: 768px) {
    .carousel-track .card { flex: 0 0 calc(50% - 15px); }
    .carousel-wrapper { padding: 0 10px; }
    .carousel-btn.prev { left: -10px; }
    .carousel-btn.next { right: -10px; }
}
@media (max-width: 480px) {
    .carousel-track .card { flex: 0 0 100%; }
    .carousel-wrapper { padding: 0; }
    .carousel-btn { display: none; }
}

/* =====================================================================
   КНОПКА «НАВЕРХ»
   ===================================================================== */
.scroll-top-btn {
    position: fixed; bottom: 24px; right: 24px; width: 46px; height: 46px;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-hover));
    color: #fff; border: none; border-radius: 50%; cursor: pointer;
    box-shadow: 0 6px 18px rgba(16,185,129,.35); opacity: 0; visibility: hidden;
    transform: translateY(16px); transition: all 0.3s ease; z-index: 900;
    display: flex; justify-content: center; align-items: center;
}
.scroll-top-btn:hover { filter: brightness(1.06); transform: translateY(-4px); }
.scroll-top-btn.show { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top-btn svg { width: 21px; height: 21px; }

/* =====================================================================
   ПОДВАЛ
   ===================================================================== */
footer { background: var(--bg-footer); border-top: 1px solid var(--border-soft); text-align: center; padding: 30px var(--gutter) 26px; color: var(--text-gray); }
.footer-logo { display: inline-flex; align-items: center; gap: 9px; font-size: 17px; font-weight: 800; color: var(--text-main); margin-bottom: var(--sp-3); }
.footer-logo img { width: 22px; height: 22px; object-fit: contain; }
.footer-links { display: flex; justify-content: center; gap: 20px; margin-bottom: var(--sp-4); flex-wrap: wrap; }
.footer-links a { color: var(--text-gray); text-decoration: none; font-size: 13.5px; font-weight: 600; transition: color 0.2s; }
.footer-links a:hover { color: var(--primary-green); }
.footer-copy { font-size: 12.5px; color: var(--text-dim); }

/* =====================================================================
   АДАПТИВ
   ===================================================================== */
@media (max-width: 900px) {
    .bento { grid-template-columns: repeat(2, 1fr); }
    .bento.cols-3 { grid-template-columns: repeat(2, 1fr); }
    .tool.feature { grid-column: span 2; grid-row: auto; }
    .steps, .steps-grid { grid-template-columns: 1fr; }
    .ribbon-groups { grid-template-columns: repeat(2, 1fr); }
    .ribbon-group:nth-child(2) { border-right: none; }
    .ribbon-group:nth-child(1), .ribbon-group:nth-child(2) { border-bottom: 1px solid var(--card-border); }
    .support-banner, .support-grid { grid-template-columns: 1fr; }
    .faq-grid, .faq-container { columns: 1; }
    .format-strip { grid-template-columns: repeat(2, 1fr); }
    .compare-panel { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .hamburger { display: flex; }
    .header-nav {
        position: fixed; top: 0; right: -100%; width: 100%; height: 100vh;
        background: var(--panel-glass); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
        flex-direction: column; justify-content: center; align-items: center; gap: 34px;
        transition: right 0.32s ease-in-out; box-shadow: -8px 0 24px var(--shadow-color);
    }
    .header-nav.active { right: 0; }
    .hamburger.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
    .hamburger.active span:nth-child(2) { opacity: 0; }
    .hamburger.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }
    nav { flex-direction: column; text-align: center; gap: 6px; }
    nav a { font-size: 19px; }
    .header-actions { flex-direction: column; width: 76%; gap: 16px; }
    .btn-download-sm { width: 100%; justify-content: center; padding: 13px; }
    .hero-cta, .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-cta .btn-main, .hero-cta .btn-secondary, .hero-actions .btn-main, .hero-actions .btn-secondary { width: 100%; }
    .section-head { flex-direction: column; align-items: flex-start; }
    .tools-tile-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
    .bento { grid-template-columns: 1fr; }
    .bento.cols-3 { grid-template-columns: 1fr; }
    .tool.feature { grid-column: auto; }
    .amount-options { grid-template-columns: repeat(2, 1fr); }
    .scroll-top-btn { bottom: 18px; right: 18px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important; animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important; scroll-behavior: auto !important;
    }
    .js .reveal { opacity: 1 !important; transform: none !important; }
    .hero h1 .accent { background-position: 0 50% !important; }
}