/* ═══════════════════════════════════════════════════════════
   ПромТехИнструмент — 2026 B2B Premium Design System
   Concept: Industrial Editorial × Precision Engineering
   Palette: Forge Steel + Signal Orange
   Fonts: Barlow Condensed (display) + Figtree (body)
   ═══════════════════════════════════════════════════════════ */

/* ─── TOKENS ──────────────────────────────────────────────── */
:root {
    /* Backgrounds */
    --bg:          #0B0B0E;
    --bg-2:        #101014;
    --bg-3:        #16161C;
    --bg-card:     #131318;
    --bg-elevated: #1C1C24;

    /* Accent — Signal Orange (industrial: think Bosch, Husqvarna) */
    --fire:        #FF4D14;
    --fire-dim:    rgba(255, 77, 20, 0.12);
    --fire-border: rgba(255, 77, 20, 0.28);
    --fire-glow:   rgba(255, 77, 20, 0.2);

    /* Text */
    --t1:  #EDEEF0;
    --t2:  #888E9E;
    --t3:  #4E5566;
    --t4:  #2E3140;

    /* Steel tones */
    --steel:       #B4BDC8;
    --steel-dim:   #606978;

    /* Borders */
    --b1:  rgba(255,255,255,0.065);
    --b2:  rgba(255,255,255,0.11);
    --b3:  rgba(255,255,255,0.18);

    /* Typography */
    --f-display: 'Barlow Condensed', sans-serif;
    --f-body:    'Figtree', sans-serif;
    --f-label:   'Barlow', sans-serif;

    /* Spacing */
    --gap-xs:  8px;
    --gap-sm:  16px;
    --gap-md:  24px;
    --gap-lg:  40px;
    --gap-xl:  64px;
    --gap-2xl: 96px;
    --gap-3xl: 140px;

    --r-sm:  6px;
    --r-md:  10px;
    --r-lg:  16px;
    --r-xl:  24px;

    /* Motion */
    --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --t-fast:   180ms var(--ease-out);
    --t-base:   280ms var(--ease-out);
    --t-slow:   420ms var(--ease-out);

    /* Container */
    --max-w: 1300px;

    /* Theme-dependent (dark defaults) */
    --bg-glow-1:     rgba(255, 77, 20, 0.07);
    --bg-glow-2:     rgba(255, 77, 20, 0.04);
    --bg-grad-top:   #0E0C0B;
    --bg-grad-bot:   #09090C;
    --header-scrolled-bg: rgba(11, 11, 14, 0.88);
    --hero-title-stroke:  rgba(237, 238, 240, 0.3);
    --grain-opacity: 0.028;
    --grain-blend:   overlay;
    --shadow-card:   0 20px 60px rgba(0, 0, 0, 0.4);
    --equip-status-bg: rgba(11, 11, 14, 0.85);
    --about-caption-mask: linear-gradient(0deg, rgba(11, 11, 14, 0.85) 0%, transparent 100%);
    --cta-ghost-stroke: rgba(255, 255, 255, 0.03);
    --grad-warm-a:   #18120E;
    --grad-warm-b:   #180E0A;
    --nav-drawer-bg: rgba(11, 11, 14, 0.98);
    --brand-own-tag: rgba(255, 77, 20, 0.5);
    --btn-on-fire:   #fff;
}

html[data-theme="light"] {
    color-scheme: light;
    --bg:          #F4F2ED;
    --bg-2:        #EBE8E2;
    --bg-3:        #E0DCD4;
    --bg-card:     #FFFFFF;
    --bg-elevated: #FFFFFF;

    --fire:        #E0380A;
    --fire-dim:    rgba(224, 56, 10, 0.1);
    --fire-border: rgba(224, 56, 10, 0.32);
    --fire-glow:   rgba(224, 56, 10, 0.18);

    --t1:  #14151C;
    --t2:  #5A6270;
    --t3:  #7A8292;
    --t4:  #A8B0BC;

    --steel:       #3D4555;
    --steel-dim:   #6B7380;

    --b1:  rgba(0, 0, 0, 0.06);
    --b2:  rgba(0, 0, 0, 0.1);
    --b3:  rgba(0, 0, 0, 0.16);

    --bg-glow-1:     rgba(224, 56, 10, 0.09);
    --bg-glow-2:     rgba(224, 56, 10, 0.05);
    --bg-grad-top:   #FFFBF7;
    --bg-grad-bot:   #E8E4DD;
    --header-scrolled-bg: rgba(255, 255, 255, 0.86);
    --hero-title-stroke:  rgba(20, 21, 28, 0.22);
    --grain-opacity: 0.045;
    --grain-blend:   multiply;
    --shadow-card:   0 20px 50px rgba(20, 21, 28, 0.1);
    --equip-status-bg: rgba(255, 255, 255, 0.92);
    --about-caption-mask: linear-gradient(0deg, rgba(244, 242, 237, 0.94) 0%, transparent 100%);
    --cta-ghost-stroke: rgba(20, 21, 28, 0.06);
    --grad-warm-a:   #FFF3E8;
    --grad-warm-b:   #FFE8D8;
    --nav-drawer-bg: rgba(255, 255, 255, 0.97);
    --brand-own-tag: rgba(224, 56, 10, 0.55);
    --btn-on-fire:   #fff;
}


/* ─── RESET ───────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    color-scheme: dark;
}
img { max-width: 100%; height: auto; display: block; object-fit: cover; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ─── BASE ────────────────────────────────────────────────── */
body {
    font-family: var(--f-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--t1);
    background-color: var(--bg);
    overflow-x: hidden;
    /* Subtle structural background — not flat */
    background-image:
        radial-gradient(ellipse 80% 50% at 100% 0%, var(--bg-glow-1) 0%, transparent 55%),
        radial-gradient(ellipse 60% 40% at 0% 70%, var(--bg-glow-2) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-grad-top) 0%, var(--bg) 30%, var(--bg-grad-bot) 100%);
    background-attachment: fixed;
}

/* Grain texture */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: var(--grain-opacity);
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 300 300' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    mix-blend-mode: var(--grain-blend);
}

/* ─── LAYOUT ──────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 32px;
}

.section {
    padding: var(--gap-3xl) 0;
}

/* ─── TYPOGRAPHY UTILITIES ────────────────────────────────── */
.section__label {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--f-label);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--t3);
    margin-bottom: var(--gap-md);
}

.section__num {
    font-family: var(--f-display);
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--fire);
    letter-spacing: 0.02em;
    padding: 3px 8px;
    border: 1px solid var(--fire-border);
    border-radius: 4px;
    background: var(--fire-dim);
}

.section__title {
    font-family: var(--f-display);
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: var(--t1);
}

.section__desc {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--t2);
    margin-top: var(--gap-sm);
    max-width: 520px;
}

.section__title-wrap {
    flex: 1;
}

.section__head {
    display: flex;
    align-items: flex-end;
    gap: var(--gap-lg);
    flex-wrap: wrap;
    margin-bottom: var(--gap-2xl);
}

.section__head--center {
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.section__head--center .section__desc {
    margin: var(--gap-sm) auto 0;
}

/* ─── LOGO ────────────────────────────────────────────────── */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--f-label);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--t1);
    white-space: nowrap;
}
.logo__mark { color: var(--fire); flex-shrink: 0; }
.logo__text em { font-style: normal; color: var(--fire); }

/* ─── BUTTONS ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    font-family: var(--f-label);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    padding: 13px 24px;
    border-radius: var(--r-md);
    transition: transform var(--t-base), box-shadow var(--t-base), background-color var(--t-fast), border-color var(--t-fast), color var(--t-fast);
    white-space: nowrap;
    cursor: pointer;
    border: 1px solid transparent;
}
.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn:focus-visible { outline: 2px solid var(--fire); outline-offset: 3px; }

/* Signal orange — primary CTA */
.btn--fire {
    background: var(--fire);
    color: var(--btn-on-fire);
    border-color: transparent;
    box-shadow: 0 4px 24px rgba(255,77,20,0.28);
}
.btn--fire:hover {
    background: #FF5F28;
    box-shadow: 0 8px 40px rgba(255,77,20,0.42);
}

/* Outline — secondary */
.btn--outline {
    background: transparent;
    color: var(--t1);
    border-color: var(--b2);
}
.btn--outline:hover {
    background: var(--bg-3);
    border-color: var(--b3);
}

/* Ghost — tertiary */
.btn--ghost {
    background: transparent;
    color: var(--t2);
    border-color: transparent;
    padding-left: 0;
}
.btn--ghost:hover { color: var(--t1); }

.btn--lg { padding: 15px 30px; font-size: 0.9375rem; }
.btn--sm { padding: 9px 18px; font-size: 0.8125rem; }

/* ─── HEADER ──────────────────────────────────────────────── */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    transition: background-color var(--t-base), border-color var(--t-base), backdrop-filter var(--t-base);
    border-bottom: 1px solid transparent;
}

.header--scrolled {
    background: var(--header-scrolled-bg);
    border-bottom-color: var(--b1);
    backdrop-filter: blur(20px) saturate(160%);
}

.header__inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 32px;
    height: 68px;
    display: flex;
    align-items: center;
    gap: var(--gap-lg);
}

.nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}

.nav__link {
    font-family: var(--f-label);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--t2);
    padding: 6px 12px;
    border-radius: var(--r-sm);
    transition: color var(--t-fast), background-color var(--t-fast);
    white-space: nowrap;
}
.nav__link:hover, .nav__link.is-active { color: var(--t1); background: var(--bg-3); }
.nav__link.is-active { color: var(--t1); }

.header__right {
    display: flex;
    align-items: center;
    gap: var(--gap-md);
    margin-left: var(--gap-sm);
    flex-shrink: 0;
}

.header__phone {
    font-family: var(--f-label);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--t2);
    letter-spacing: 0.02em;
    transition: color var(--t-fast);
}
.header__phone:hover { color: var(--t1); }

/* Theme toggle */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: var(--r-md);
    border: 1px solid var(--b1);
    background: var(--bg-3);
    color: var(--t2);
    transition: border-color var(--t-fast), background var(--t-fast), color var(--t-fast);
}
.theme-toggle:hover {
    border-color: var(--b2);
    color: var(--t1);
    background: var(--bg-card);
}
.theme-toggle:focus-visible {
    outline: 2px solid var(--fire);
    outline-offset: 2px;
}
.theme-toggle__icons {
    position: relative;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}
.theme-toggle__icon {
    position: absolute;
    inset: 0;
    transition: opacity var(--t-base), transform var(--t-base);
}
.theme-toggle__icon--sun { opacity: 1; transform: scale(1); }
.theme-toggle__icon--moon { opacity: 0.25; transform: scale(0.85); }
html[data-theme="light"] .theme-toggle__icon--sun { opacity: 0.25; transform: scale(0.85); }
html[data-theme="light"] .theme-toggle__icon--moon { opacity: 1; transform: scale(1); }

.theme-toggle__track {
    width: 36px;
    height: 20px;
    border-radius: 999px;
    background: var(--b1);
    position: relative;
    flex-shrink: 0;
    transition: background var(--t-fast);
}
.theme-toggle__thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--t1);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
    transition: transform var(--t-base) var(--ease-spring), background var(--t-fast);
}
html[data-theme="light"] .theme-toggle__thumb {
    transform: translateX(16px);
    background: var(--fire);
}

/* Burger */
.burger {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    margin-left: auto;
}
.burger span {
    display: block;
    width: 22px; height: 1.5px;
    background: var(--t1);
    transition: transform var(--t-base), opacity var(--t-fast);
    transform-origin: center;
}
.burger--active span:first-child { transform: translateY(3.75px) rotate(45deg); }
.burger--active span:last-child  { transform: translateY(-3.75px) rotate(-45deg); }

/* ─── HERO ────────────────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 120px 32px 0;
    max-width: var(--max-w);
    margin: 0 auto;
    overflow: visible;
}

/* Technical corner marks */
.hero__marks {
    position: absolute;
    inset: 80px 0 0;
    pointer-events: none;
}
.hero__mark {
    position: absolute;
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-family: var(--f-label);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--t3);
}
.hero__mark--tl { top: 0; left: 0; }
.hero__mark--tr { top: 0; right: 0; align-items: flex-end; }

.hero__noise {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
}

.hero__eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--f-label);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--t3);
    margin-bottom: 28px;
}
.hero__dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--fire);
    box-shadow: 0 0 12px var(--fire-glow);
    animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.6; transform: scale(0.75); }
}

.hero__title {
    font-family: var(--f-display);
    font-size: clamp(5rem, 13vw, 11rem);
    font-weight: 900;
    line-height: 0.93;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: var(--t1);
    margin-bottom: var(--gap-2xl);
}

.hero__title-line {
    display: block;
    animation: slideUp 0.9s var(--ease-out) both;
}
.hero__title-line:nth-child(1) { animation-delay: 0.0s; }
.hero__title-line:nth-child(2) { animation-delay: 0.08s; }
.hero__title-line:nth-child(3) { animation-delay: 0.16s; }

/* Outline text — the "без" line */
.hero__title-line--outline {
    -webkit-text-stroke: 2px var(--hero-title-stroke);
    color: transparent;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero__bottom {
    display: flex;
    align-items: flex-start;
    gap: var(--gap-2xl);
    flex-wrap: wrap;
    animation: fadeIn 1s var(--ease-out) 0.4s both;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero__desc {
    font-size: 1.0rem;
    line-height: 1.7;
    color: var(--t2);
    max-width: 440px;
    flex: 1;
}

.hero__actions {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
    flex-wrap: wrap;
    flex-shrink: 0;
    padding-top: 4px;
}

/* Stats bar */
.hero__stats {
    display: flex;
    align-items: stretch;
    border-top: 1px solid var(--b1);
    margin-top: var(--gap-2xl);
    padding: var(--gap-md) 0;
    gap: 0;
    animation: fadeIn 1s var(--ease-out) 0.6s both;
}

.hero__stat {
    flex: 1;
    display: flex;
    align-items: baseline;
    gap: 4px;
    flex-wrap: wrap;
    padding: var(--gap-sm) var(--gap-md);
    position: relative;
}

.hero__stat-divider {
    width: 1px;
    background: var(--b1);
    flex-shrink: 0;
    align-self: stretch;
}

.hero__stat-n {
    font-family: var(--f-display);
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 900;
    line-height: 1;
    color: var(--t1);
    letter-spacing: -0.02em;
}
.hero__stat-unit {
    font-family: var(--f-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--fire);
    line-height: 1;
}
.hero__stat-l {
    display: block;
    width: 100%;
    font-family: var(--f-label);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--t3);
    margin-top: 4px;
}

/* ─── COMPETENCIES ────────────────────────────────────────── */
.competencies {
    background: var(--bg-2);
    border-top: 1px solid var(--b1);
    border-bottom: 1px solid var(--b1);
}

.comp-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1px;
    background: var(--b1);
    border: 1px solid var(--b1);
    border-radius: var(--r-lg);
    overflow: hidden;
}

.comp-card {
    background: var(--bg-card);
    padding: var(--gap-lg) var(--gap-md);
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);
    position: relative;
    transition: background var(--t-base);
    opacity: 0;
    transform: translateY(24px);
}
.comp-card.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s var(--ease-out) var(--delay, 0s), transform 0.6s var(--ease-out) var(--delay, 0s), background var(--t-base);
}
.comp-card:hover { background: var(--bg-3); }

.comp-card__index {
    font-family: var(--f-display);
    font-size: 5rem;
    font-weight: 900;
    color: var(--b1);
    line-height: 1;
    position: absolute;
    top: var(--gap-sm);
    right: var(--gap-md);
    letter-spacing: -0.04em;
    pointer-events: none;
    transition: color var(--t-base);
}
.comp-card:hover .comp-card__index { color: var(--fire-dim); }

.comp-card__icon {
    color: var(--fire);
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    background: var(--fire-dim);
    border-radius: var(--r-md);
    border: 1px solid var(--fire-border);
    flex-shrink: 0;
}

.comp-card__title {
    font-family: var(--f-display);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    line-height: 1.15;
    color: var(--t1);
    margin-top: var(--gap-sm);
}

.comp-card__text {
    font-size: 0.875rem;
    line-height: 1.65;
    color: var(--t2);
    flex: 1;
}

.comp-card__link {
    font-family: var(--f-label);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--fire);
    transition: opacity var(--t-fast);
    margin-top: auto;
}
.comp-card__link:hover { opacity: 0.7; }

/* Featured and promo variants */
.comp-card--featured {
    background: var(--bg-3);
    border-bottom: 2px solid var(--fire);
}
.comp-card--promo {
    background: linear-gradient(160deg, var(--grad-warm-a) 0%, var(--bg-card) 60%);
}

.comp-card__promo-badge {
    display: inline-flex;
    font-family: var(--f-label);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--fire);
    padding: 4px 10px;
    background: var(--fire-dim);
    border: 1px solid var(--fire-border);
    border-radius: 4px;
    width: fit-content;
}

/* ─── EQUIPMENT ───────────────────────────────────────────── */
.equip-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gap-md);
}

.equip-card {
    background: var(--bg-card);
    border: 1px solid var(--b1);
    border-radius: var(--r-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color var(--t-base), transform var(--t-base), box-shadow var(--t-base);
    opacity: 0;
    transform: translateY(24px);
}
.equip-card.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s var(--ease-out) var(--delay, 0s), transform 0.6s var(--ease-out) var(--delay, 0s), border-color var(--t-base), box-shadow var(--t-base);
}
.equip-card:hover {
    border-color: var(--b3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}

.equip-card__image {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--bg-3);
    overflow: hidden;
}
.equip-card__image img {
    width: 100%; height: 100%;
    transition: transform 0.5s var(--ease-out);
    filter: grayscale(30%);
}
.equip-card:hover .equip-card__image img {
    transform: scale(1.04);
    filter: grayscale(0%);
}

.equip-card__status {
    position: absolute;
    top: 12px; left: 12px;
    font-family: var(--f-label);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 4px;
    background: var(--equip-status-bg);
    color: #5EE87E;
    border: 1px solid rgba(94, 232, 126, 0.3);
    backdrop-filter: blur(8px);
}
.equip-card__status--promo {
    color: var(--fire);
    border-color: var(--fire-border);
}

.equip-card__body {
    padding: var(--gap-md);
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);
    flex: 1;
}

.equip-card__cat {
    font-family: var(--f-label);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--t3);
}

.equip-card__name {
    font-family: var(--f-display);
    font-size: 1.25rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    line-height: 1.15;
    color: var(--t1);
}

.equip-card__specs {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.8125rem;
    flex: 1;
}
.equip-card__specs > div {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--gap-sm);
    padding-bottom: 6px;
    border-bottom: 1px solid var(--b1);
}
.equip-card__specs dt { color: var(--t3); font-family: var(--f-label); font-size: 0.75rem; letter-spacing: 0.04em; }
.equip-card__specs dd { color: var(--t1); font-weight: 500; }

.equip-card__note {
    font-size: 0.8125rem;
    color: var(--t2);
}

.equip-card__price {
    display: flex;
    align-items: baseline;
    gap: 6px;
    color: var(--t2);
    font-size: 0.8125rem;
}
.equip-card__price strong {
    font-family: var(--f-display);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--t1);
}

.equip-card--highlight {
    border-color: var(--fire-border);
    background: linear-gradient(160deg, var(--grad-warm-b) 0%, var(--bg-card) 50%);
}
.equip-card--highlight:hover { border-color: var(--fire); }

/* ─── TOOLS / BRANDS ──────────────────────────────────────── */
.tools {
    background: var(--bg-2);
    border-top: 1px solid var(--b1);
}

.tools__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap-2xl);
    align-items: center;
}

.tools__text {
    font-size: 1.0rem;
    line-height: 1.75;
    color: var(--t2);
    margin: var(--gap-md) 0;
    max-width: 440px;
}

.tools__features {
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);
    margin-bottom: var(--gap-lg);
}
.tools__features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    color: var(--t2);
}
.tools__features li svg { color: var(--fire); flex-shrink: 0; }

.tools__brands {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--b1);
    border: 1px solid var(--b1);
    border-radius: var(--r-lg);
    overflow: hidden;
}

.brand-item {
    background: var(--bg-card);
    padding: var(--gap-md) var(--gap-lg);
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: background var(--t-fast);
}
.brand-item:hover { background: var(--bg-3); }

.brand-item__name {
    font-family: var(--f-display);
    font-size: 1.1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    color: var(--t1);
}

.brand-item__tag {
    font-family: var(--f-label);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--t3);
}

.brand-item--own {
    background: linear-gradient(135deg, var(--grad-warm-a) 0%, var(--bg-card) 70%);
    border-bottom: 2px solid var(--fire);
}
.brand-item--own .brand-item__name { color: var(--fire); }
.brand-item--own .brand-item__tag  { color: var(--brand-own-tag); }

/* ─── TECHNOLOGY / TIMELINE ───────────────────────────────── */
.technology {
    border-top: 1px solid var(--b1);
}

.timeline {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--gap-sm);
    /* hide scrollbar */
    scrollbar-width: none;
}
.timeline::-webkit-scrollbar { display: none; }

.timeline__track {
    display: flex;
    position: relative;
    gap: 0;
    min-width: fit-content;
}

.timeline__line {
    position: absolute;
    top: 22px;
    left: 0; right: 0;
    height: 1px;
    background: var(--b1);
    z-index: 0;
}

.timeline__step {
    flex: 1;
    min-width: 220px;
    padding: 48px var(--gap-lg) 0;
    position: relative;
    opacity: 0;
    transform: translateY(16px);
}
.timeline__step.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s var(--ease-out) var(--delay, 0s), transform 0.6s var(--ease-out) var(--delay, 0s);
}

.timeline__dot {
    position: absolute;
    top: 16px;
    left: var(--gap-lg);
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--fire);
    border: 2px solid var(--bg);
    box-shadow: 0 0 16px var(--fire-glow);
    z-index: 1;
}

.timeline__num {
    font-family: var(--f-display);
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--b2);
    line-height: 1;
    margin-bottom: var(--gap-sm);
}

.timeline__title {
    font-family: var(--f-display);
    font-size: 1.1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    color: var(--t1);
    margin-bottom: 8px;
}

.timeline__text {
    font-size: 0.875rem;
    line-height: 1.65;
    color: var(--t2);
}

/* ─── ABOUT ───────────────────────────────────────────────── */
.about {
    background: var(--bg-2);
    border-top: 1px solid var(--b1);
    border-bottom: 1px solid var(--b1);
}

.about__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap-2xl);
    align-items: center;
}

.about__text {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--t2);
    margin-bottom: var(--gap-sm);
}

.about__image-wrap {
    position: relative;
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--b1);
}
.about__image {
    width: 100%;
    aspect-ratio: 4/3;
    filter: grayscale(25%) contrast(1.08);
    transition: filter 0.5s;
}
.about__image-wrap:hover .about__image { filter: grayscale(0%); }

.about__image-caption {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: var(--gap-sm) var(--gap-md);
    background: var(--about-caption-mask);
    font-family: var(--f-label);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--t3);
}

.about__metrics {
    display: flex;
    gap: 0;
    margin-top: var(--gap-md);
    border: 1px solid var(--b1);
    border-radius: var(--r-md);
    overflow: hidden;
    background: var(--b1);
}
.about__metric {
    flex: 1;
    background: var(--bg-card);
    padding: var(--gap-md);
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.about__metric strong {
    font-family: var(--f-display);
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--t1);
    line-height: 1;
}
.about__metric span {
    font-family: var(--f-label);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--t3);
}

/* ─── NEWS ────────────────────────────────────────────────── */
.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap-md);
}

.news-stack {
    display: flex;
    flex-direction: column;
    gap: var(--gap-md);
}

.news-card {
    background: var(--bg-card);
    border: 1px solid var(--b1);
    border-radius: var(--r-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color var(--t-base), transform var(--t-base);
    opacity: 0;
    transform: translateY(20px);
}
.news-card.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s var(--ease-out) var(--delay, 0s), transform 0.6s var(--ease-out) var(--delay, 0s), border-color var(--t-base);
}
.news-card:hover {
    border-color: var(--b3);
    transform: translateY(-3px);
}

.news-card--lg .news-card__image {
    aspect-ratio: 16/9;
    overflow: hidden;
}
.news-card--lg .news-card__image img {
    width: 100%; height: 100%;
    transition: transform 0.5s var(--ease-out);
    filter: grayscale(20%);
}
.news-card--lg:hover .news-card__image img {
    transform: scale(1.04);
    filter: grayscale(0%);
}

.news-card__body {
    padding: var(--gap-md);
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.news-card__date {
    font-family: var(--f-label);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--t3);
}

.news-card__title {
    font-family: var(--f-display);
    font-size: 1.15rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    line-height: 1.2;
    color: var(--t1);
    flex: 1;
}

.news-card__excerpt {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--t2);
}

.news-card__link {
    font-family: var(--f-label);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--fire);
    transition: opacity var(--t-fast);
    margin-top: auto;
}
.news-card__link:hover { opacity: 0.7; }

/* ─── CTA SECTION ─────────────────────────────────────────── */
.cta-section {
    position: relative;
    border-top: 1px solid var(--b1);
    padding: var(--gap-3xl) 0;
    overflow: hidden;
    background: var(--bg-2);
}

.cta-section__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

/* Giant ghost text */
.cta-section__text-bg {
    position: absolute;
    right: -2%;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--f-display);
    font-size: clamp(12rem, 30vw, 24rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.04em;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1px var(--cta-ghost-stroke);
    user-select: none;
    white-space: nowrap;
}

.cta-section__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--gap-2xl);
    align-items: start;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 32px;
}

.cta-section__title {
    font-family: var(--f-display);
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 1.0;
    color: var(--t1);
    margin-top: var(--gap-sm);
    margin-bottom: var(--gap-md);
}

.cta-section__text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--t2);
    max-width: 380px;
    margin-bottom: var(--gap-lg);
}

.cta-section__contact {
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);
}

.cta-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--f-label);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--t2);
    transition: color var(--t-fast);
}
.cta-contact-item:hover { color: var(--t1); }
.cta-contact-item svg { color: var(--fire); flex-shrink: 0; }

/* CTA Form */
.cta-form {
    background: var(--bg-card);
    border: 1px solid var(--b1);
    border-radius: var(--r-xl);
    padding: var(--gap-lg);
    display: flex;
    flex-direction: column;
    gap: var(--gap-md);
}

.cta-form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap-md);
}

.cta-form__field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cta-form__field label {
    font-family: var(--f-label);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--t3);
}

.cta-form__field input,
.cta-form__field textarea {
    background: var(--bg-3);
    border: 1px solid var(--b1);
    border-radius: var(--r-md);
    padding: 12px 16px;
    font-size: 0.9375rem;
    color: var(--t1);
    outline: none;
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
    width: 100%;
    resize: vertical;
}
.cta-form__field input::placeholder,
.cta-form__field textarea::placeholder { color: var(--t3); }
.cta-form__field input:focus,
.cta-form__field textarea:focus {
    border-color: var(--fire-border);
    box-shadow: 0 0 0 3px var(--fire-dim);
}

.cta-form__check {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.8125rem;
    color: var(--t2);
}
.cta-form__check input[type="checkbox"] { display: none; }
.cta-form__check-box {
    width: 18px; height: 18px;
    border: 1px solid var(--b2);
    border-radius: var(--r-sm);
    flex-shrink: 0;
    background: var(--bg-3);
    transition: border-color var(--t-fast), background var(--t-fast);
    position: relative;
    margin-top: 2px;
}
.cta-form__check input:checked + .cta-form__check-box {
    background: var(--fire);
    border-color: var(--fire);
}
.cta-form__check input:checked + .cta-form__check-box::after {
    content: '';
    position: absolute;
    top: 3px; left: 3px;
    width: 10px; height: 6px;
    border-left: 1.5px solid var(--btn-on-fire);
    border-bottom: 1.5px solid var(--btn-on-fire);
    transform: rotate(-45deg);
}
.cta-form__check a { color: var(--fire); }
.cta-form__check a:hover { text-decoration: underline; }

/* ─── FOOTER ──────────────────────────────────────────────── */
.footer {
    background: var(--bg);
    border-top: 1px solid var(--b1);
    padding: var(--gap-2xl) 0 var(--gap-lg);
}

.footer__top {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--gap-2xl);
    padding-bottom: var(--gap-2xl);
    border-bottom: 1px solid var(--b1);
    margin-bottom: var(--gap-lg);
}

.footer__desc {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--t3);
    margin-top: var(--gap-md);
    max-width: 320px;
}

.footer__cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap-lg);
}

.footer__col h4 {
    font-family: var(--f-label);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--t3);
    margin-bottom: var(--gap-md);
}

.footer__col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer__col ul a,
.footer__col ul li {
    font-size: 0.875rem;
    color: var(--t2);
    transition: color var(--t-fast);
}
.footer__col ul a:hover { color: var(--t1); }

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--gap-md);
    flex-wrap: wrap;
}
.footer__bottom p {
    font-size: 0.8125rem;
    color: var(--t3);
}

.footer__legal {
    display: flex;
    gap: var(--gap-md);
}
.footer__legal a {
    font-size: 0.8125rem;
    color: var(--t3);
    transition: color var(--t-fast);
}
.footer__legal a:hover { color: var(--t2); }

/* ─── ANIMATIONS ──────────────────────────────────────────── */
[data-animate] {
    opacity: 0;
    transform: translateY(24px);
}
[data-animate].is-visible {
    opacity: 1;
    transform: none;
    transition:
        opacity 0.65s var(--ease-out) var(--delay, 0s),
        transform 0.65s var(--ease-out) var(--delay, 0s);
}

/* ─── SCROLL-TRIGGERED SEPARATOR LINE ────────────────────── */
.section__head::after {
    content: none;
}

/* ─── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1200px) {
    .comp-grid { grid-template-columns: repeat(3, 1fr); }
    .equip-grid { grid-template-columns: repeat(2, 1fr); }
    .tools__layout { gap: var(--gap-xl); }
}

@media (max-width: 1024px) {
    .header__phone { display: none; }
    .nav { display: none; gap: 0; }
    .nav--open {
        display: flex;
        flex-direction: column;
        position: fixed;
        inset: 68px 0 0;
        background: var(--nav-drawer-bg);
        backdrop-filter: blur(20px);
        padding: var(--gap-lg) 32px;
        gap: 4px;
        z-index: 999;
        overflow-y: auto;
    }
    .nav--open .nav__link {
        font-size: 1.1rem;
        padding: 14px 16px;
    }
    .burger { display: flex; }
    .header__right .btn { display: none; }
    .hero { padding: 100px 24px 0; }
    .hero__marks { display: none; }
    .tools__layout,
    .about__layout { grid-template-columns: 1fr; gap: var(--gap-xl); }
    .cta-section__inner { grid-template-columns: 1fr; }
    .footer__top { grid-template-columns: 1fr; gap: var(--gap-xl); }
    .footer__cols { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    :root { --gap-3xl: 80px; --gap-2xl: 56px; }
    .container { padding: 0 20px; }
    .header__inner { padding: 0 20px; }
    .hero { padding: 90px 20px 0; }
    .hero__stats { flex-direction: column; }
    .hero__stat-divider { display: none; }
    .hero__stat { padding: 12px 0; border-bottom: 1px solid var(--b1); }
    .hero__stat:last-child { border-bottom: none; }
    .hero__bottom { flex-direction: column; gap: var(--gap-md); }
    .comp-grid { grid-template-columns: 1fr 1fr; }
    .equip-grid { grid-template-columns: 1fr; }
    .cta-form__row { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .section__head { flex-direction: column; align-items: flex-start; }
    .footer__cols { grid-template-columns: 1fr; gap: var(--gap-lg); }
    .footer__bottom { flex-direction: column; align-items: flex-start; }
    .cta-section__inner { padding: 0 20px; }
}

@media (max-width: 480px) {
    .comp-grid { grid-template-columns: 1fr; }
    .hero__title { font-size: clamp(3.5rem, 16vw, 6rem); }
    .timeline__step { min-width: 180px; padding: 48px var(--gap-md) 0; }
    .timeline__dot { left: var(--gap-md); }
    .about__metrics { flex-direction: column; gap: 1px; }
}

/* ─── UTILITY ─────────────────────────────────────────────── */
.loaded body { }
body { transition: opacity 0.3s; }