/* =============================================================================
   АВТОРЕСУРС — Auto Parts Landing
   Premium dark theme built on css/design-tokens.css (single source of truth).
   Order: reset · base · layout · components · sections · utilities · responsive
   ============================================================================= */

/* -----------------------------------------------------------------------------
   1. RESET
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

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

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
}

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

img { height: auto; }

button,
input,
textarea,
select { font: inherit; color: inherit; }

ul[class],
ol[class] { list-style: none; }

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

:target { scroll-margin-top: 6.5rem; }

/* -----------------------------------------------------------------------------
   2. THEME — dark surface roles promoted to page defaults
   -------------------------------------------------------------------------- */
:root {
    --header-h: 4.5rem;

    /* Page-level roles remapped to the dark palette from design-tokens.css */
    --bg:            var(--color-dark-canvas);
    --bg-raised:     var(--color-dark-surface);
    --bg-soft:       var(--color-dark-surface-soft);
    --fg:            var(--color-dark-text);
    --fg-muted:      var(--color-dark-text-muted);
    --line:          var(--color-dark-hairline);

    /* Warm-tinted shadows read as depth on a dark canvas only when deepened */
    --shadow-dark-md: 0 4px 16px rgba(0, 0, 0, 0.35);
    --shadow-dark-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
}

/* -----------------------------------------------------------------------------
   3. BASE TYPOGRAPHY
   -------------------------------------------------------------------------- */
body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--weight-regular);
    line-height: var(--leading-normal);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    line-height: var(--leading-tight);
    letter-spacing: var(--letter-tight);
    color: #fff;
    text-wrap: balance;
}

h1 { font-size: clamp(2.25rem, 6vw, var(--text-4xl)); }
h2 { font-size: clamp(1.75rem, 4.2vw, var(--text-3xl)); }
h3 { font-size: var(--text-lg); letter-spacing: var(--letter-snug); }
h4 { font-size: var(--text-base); letter-spacing: var(--letter-snug); }

p { text-wrap: pretty; }

strong { font-weight: var(--weight-medium); color: #fff; }

/* Focus — one visible ring everywhere, never removed */
:focus-visible {
    outline: 3px solid var(--color-primary-400);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

::selection {
    background: var(--color-primary-500);
    color: var(--color-on-primary);
}

/* -----------------------------------------------------------------------------
   4. LAYOUT PRIMITIVES
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.section {
    padding-block: var(--space-section);
    scroll-margin-top: var(--header-h);
    position: relative;
}

.section--tight { padding-block: clamp(3rem, 5vw, 4.5rem); }

.section__head {
    max-width: 46rem;
    margin-bottom: var(--space-12);
}

.section__head--center {
    margin-inline: auto;
    text-align: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    text-transform: uppercase;
    letter-spacing: var(--letter-wide);
    color: var(--color-primary-400);
    margin-bottom: var(--space-4);
}

.eyebrow::before {
    content: "";
    width: 1.75rem;
    height: 2px;
    background: var(--color-primary-500);
    border-radius: var(--radius-full);
}

.section__head--center .eyebrow { justify-content: center; }

.lede {
    margin-top: var(--space-5);
    font-size: var(--text-lg);
    line-height: var(--leading-normal);
    color: var(--fg-muted);
    max-width: var(--measure);
}

.section__head--center .lede { margin-inline: auto; }

.skip-link {
    position: fixed;
    top: var(--space-3);
    left: var(--space-3);
    z-index: 999;
    transform: translateY(-200%);
    background: var(--color-primary-500);
    color: var(--color-on-primary);
    font-weight: var(--weight-medium);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-md);
    transition: transform var(--duration-fast) var(--ease-out);
}

.skip-link:focus { transform: translateY(0); }

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

/* -----------------------------------------------------------------------------
   5. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: var(--weight-bold);
    letter-spacing: var(--letter-snug);
    padding: 0.875rem 1.75rem;
    border: 1px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
    transition: background var(--duration-fast) var(--ease-out),
                border-color var(--duration-fast) var(--ease-out),
                color var(--duration-fast) var(--ease-out),
                transform var(--duration-fast) var(--ease-out),
                box-shadow var(--duration-fast) var(--ease-out);
}

.btn svg { flex-shrink: 0; }

.btn--primary {
    background: var(--color-primary-500);
    color: var(--color-on-primary);
}

.btn--primary:hover {
    background: var(--color-primary-600);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn--primary:active {
    background: var(--color-primary-700);
    transform: translateY(0);
}

.btn--ghost {
    background: transparent;
    color: var(--fg);
    border-color: var(--line);
}

.btn--ghost:hover {
    border-color: var(--color-neutral-500);
    background: rgba(255, 255, 255, 0.04);
    transform: translateY(-2px);
}

.btn--lg {
    font-size: var(--text-lg);
    padding: 1.125rem 2.25rem;
}

.btn--block { width: 100%; }

/* -----------------------------------------------------------------------------
   6. HEADER / NAV
   -------------------------------------------------------------------------- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(21, 19, 17, 0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition: background var(--duration-normal) var(--ease-out),
                border-color var(--duration-normal) var(--ease-out);
}

.header.is-stuck {
    background: rgba(21, 19, 17, 0.94);
    border-bottom-color: var(--line);
}

.header__inner {
    height: var(--header-h);
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

/* Brand */
.brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    margin-right: auto;
    flex-shrink: 0;
}

.brand__mark {
    width: 2.25rem;
    height: 2.25rem;
    flex-shrink: 0;
}

.brand__text { display: flex; flex-direction: column; line-height: 1; }

.brand__name {
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    font-size: 1.0625rem;
    letter-spacing: 0.02em;
    color: #fff;
    text-transform: uppercase;
}

.brand__tag {
    font-size: var(--text-xs);
    color: var(--fg-muted);
    letter-spacing: var(--letter-wide);
    text-transform: uppercase;
    margin-top: 3px;
}

/* Desktop nav */
.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav__link {
    display: block;
    position: relative;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--fg-muted);
    border-radius: var(--radius-full);
    transition: color var(--duration-fast) var(--ease-out),
                background var(--duration-fast) var(--ease-out);
}

.nav__link:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }

.nav__link.is-active { color: var(--color-primary-400); }

/* Header call action */
.header__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

.header__phone {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--color-primary-500);
    color: var(--color-on-primary);
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    font-size: var(--text-base);
    letter-spacing: var(--letter-snug);
    padding: 0.6875rem 1.375rem;
    border-radius: var(--radius-full);
    transition: background var(--duration-fast) var(--ease-out),
                box-shadow var(--duration-fast) var(--ease-out),
                transform var(--duration-fast) var(--ease-out);
}

.header__phone:hover {
    background: var(--color-primary-600);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.header__phone:active { transform: translateY(0); }

/* Mobile toggle */
.nav__toggle {
    display: none;
    width: 2.75rem;
    height: 2.75rem;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--duration-fast) var(--ease-out);
}

.nav__toggle:hover { border-color: var(--color-neutral-500); }

.nav__toggle-bars,
.nav__toggle-bars::before,
.nav__toggle-bars::after {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--fg);
    border-radius: var(--radius-full);
    transition: transform var(--duration-fast) var(--ease-out),
                opacity var(--duration-fast) var(--ease-out);
}

.nav__toggle-bars::before,
.nav__toggle-bars::after {
    content: "";
    position: absolute;
}

.nav__toggle-bars::before { transform: translateY(-6px); }
.nav__toggle-bars::after  { transform: translateY(6px); }

.nav__toggle[aria-expanded="true"] .nav__toggle-bars { background: transparent; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bars::before { transform: rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bars::after  { transform: rotate(-45deg); }

/* -----------------------------------------------------------------------------
   7. HERO
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    overflow: hidden;
    padding-top: clamp(3rem, 7vw, 5.5rem);
    padding-bottom: clamp(3rem, 7vw, 5rem);
    background:
        radial-gradient(60rem 40rem at 78% 8%, rgba(var(--color-primary-rgb), 0.16), transparent 62%),
        radial-gradient(44rem 34rem at 4% 96%, rgba(58, 110, 165, 0.13), transparent 60%);
}

/* Faint engineering grid — texture, not decoration */
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: radial-gradient(80% 65% at 50% 30%, #000 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(80% 65% at 50% 30%, #000 30%, transparent 100%);
    pointer-events: none;
}

.hero__inner {
    position: relative;
    display: grid;
    gap: clamp(2.5rem, 5vw, 4rem);
    align-items: center;
}

.hero__copy { max-width: 40rem; }

.hero h1 { margin-bottom: var(--space-6); }

.hero h1 em {
    font-style: normal;
    color: var(--color-primary-500);
}

.hero__sub {
    font-size: var(--text-lg);
    color: var(--fg-muted);
    max-width: 34rem;
    margin-bottom: var(--space-8);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    align-items: center;
    margin-bottom: var(--space-6);
}

.hero__note {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--fg-muted);
    margin-bottom: var(--space-10);
}

.hero__note svg { color: var(--color-success); flex-shrink: 0; }

/* Stat row */
.stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
    border-top: 1px solid var(--line);
    padding-top: var(--space-6);
}

.stat__value {
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    font-size: clamp(1.5rem, 3.4vw, var(--text-2xl));
    color: #fff;
    letter-spacing: var(--letter-tight);
    line-height: 1.1;
}

.stat__label {
    font-size: var(--text-sm);
    color: var(--fg-muted);
    margin-top: var(--space-1);
}

/* Hero visual */
.hero__visual {
    position: relative;
    isolation: isolate;
}

.hero__frame {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--bg-raised);
    box-shadow: var(--shadow-dark-lg);
    aspect-ratio: 4 / 5;
}

.hero__frame img,
.hero__frame > svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero__frame::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(var(--color-primary-rgb), 0.14) 0%, transparent 45%),
                linear-gradient(to top, rgba(10, 9, 8, 0.72) 0%, transparent 55%);
    pointer-events: none;
}

/* Floating quote card over the hero visual */
.hero__badge {
    position: absolute;
    left: clamp(-0.5rem, -2vw, -1.5rem);
    bottom: 1.75rem;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: var(--space-4);
    background: var(--bg-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: var(--space-4) var(--space-5);
    box-shadow: var(--shadow-dark-lg);
    max-width: 17rem;
}

.hero__badge-icon {
    width: 2.75rem;
    height: 2.75rem;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    border-radius: var(--radius-full);
    background: rgba(var(--color-primary-rgb), 0.14);
    color: var(--color-primary-400);
}

.hero__badge-value {
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    color: #fff;
    line-height: 1.2;
}

.hero__badge-label {
    font-size: var(--text-sm);
    color: var(--fg-muted);
}

/* -----------------------------------------------------------------------------
   8. BRAND MARQUEE
   -------------------------------------------------------------------------- */
.brands {
    border-block: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.015);
    padding-block: var(--space-6);
    overflow: hidden;
}

.brands__label {
    text-align: center;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: var(--letter-wide);
    color: var(--fg-muted);
    margin-bottom: var(--space-5);
}

.marquee {
    display: flex;
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.marquee__track {
    display: flex;
    align-items: center;
    gap: clamp(2.5rem, 6vw, 4.5rem);
    padding-right: clamp(2.5rem, 6vw, 4.5rem);
    flex-shrink: 0;
    animation: marquee 32s linear infinite;
}

.marquee:hover .marquee__track { animation-play-state: paused; }

.marquee__item {
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    font-size: clamp(1rem, 2.2vw, 1.375rem);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-neutral-500);
    white-space: nowrap;
    transition: color var(--duration-fast) var(--ease-out);
}

.marquee__item:hover { color: var(--fg); }

@keyframes marquee {
    from { transform: translateX(0); }
    to   { transform: translateX(-100%); }
}

@media (prefers-reduced-motion: reduce) {
    .marquee__track { animation: none; }
    .marquee { mask-image: none; -webkit-mask-image: none; justify-content: center; flex-wrap: wrap; }
}

/* -----------------------------------------------------------------------------
   9. CATALOG
   -------------------------------------------------------------------------- */
.catalog__bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-10);
}

.chip {
    background: transparent;
    border: 1px solid var(--line);
    color: var(--fg-muted);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: color var(--duration-fast) var(--ease-out),
                border-color var(--duration-fast) var(--ease-out),
                background var(--duration-fast) var(--ease-out);
}

.chip:hover { color: #fff; border-color: var(--color-neutral-500); }

.chip[aria-pressed="true"] {
    background: var(--color-primary-500);
    border-color: var(--color-primary-500);
    color: var(--color-on-primary);
}

.grid-products {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

.product {
    display: flex;
    flex-direction: column;
    background: var(--bg-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-dark-md);
    transition: transform var(--duration-fast) var(--ease-out),
                box-shadow var(--duration-fast) var(--ease-out),
                border-color var(--duration-fast) var(--ease-out);
}

.product:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-dark-lg);
    border-color: var(--color-neutral-600);
}

.product__media {
    position: relative;
    aspect-ratio: 4 / 3;
    background: var(--bg-soft);
    overflow: hidden;
}

.product__media img,
.product__media > svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--duration-slow) var(--ease-out);
}

.product:hover .product__media img,
.product:hover .product__media > svg { transform: scale(1.05); }

.product__flag {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    z-index: 1;
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    text-transform: uppercase;
    letter-spacing: var(--letter-wide);
    padding: 0.3125rem 0.75rem;
    border-radius: var(--radius-full);
    background: var(--color-primary-500);
    color: var(--color-on-primary);
}

.product__flag--stock {
    background: rgba(21, 19, 17, 0.82);
    color: var(--color-dark-text);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    left: auto;
    right: var(--space-3);
}

.product__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: var(--space-6);
    gap: var(--space-3);
}

.product__cat {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: var(--letter-wide);
    color: var(--fg-muted);
}

.product__name { color: #fff; }

.product__specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.spec {
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
    background: rgba(58, 110, 165, 0.18);
    color: var(--color-accent-300);
}

.product__foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    margin-top: auto;
    padding-top: var(--space-5);
    border-top: 1px solid var(--line);
}

.product__price {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.product__price-value {
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    font-size: var(--text-xl);
    color: #fff;
    letter-spacing: var(--letter-tight);
}

.product__price-old {
    font-size: var(--text-sm);
    color: var(--fg-muted);
    text-decoration: line-through;
    margin-top: 2px;
}

.product__call {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    color: var(--color-primary-400);
    border: 1px solid rgba(var(--color-primary-rgb), 0.35);
    border-radius: var(--radius-full);
    padding: 0.5rem 1.125rem;
    white-space: nowrap;
    transition: background var(--duration-fast) var(--ease-out),
                color var(--duration-fast) var(--ease-out),
                border-color var(--duration-fast) var(--ease-out);
}

.product__call:hover {
    background: var(--color-primary-500);
    border-color: var(--color-primary-500);
    color: var(--color-on-primary);
}

/* Technical line-art part illustrations (inline SVG in .product__media) */
.part {
    width: 100%;
    height: 100%;
    background:
        radial-gradient(72% 72% at 50% 42%, rgba(var(--color-primary-rgb), 0.10), transparent 72%),
        var(--bg-soft);
}

.part__stroke,
.part__thin,
.part__accent {
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.part__stroke { stroke: #cbc4bc; stroke-width: 7; }
.part__thin   { stroke: #857d75; stroke-width: 5; }
.part__accent { stroke: var(--color-primary-500); stroke-width: 7; }

.catalog__empty {
    text-align: center;
    color: var(--fg-muted);
    padding: var(--space-12) var(--space-6);
    border: 1px dashed var(--line);
    border-radius: var(--radius-lg);
}

.catalog__foot {
    margin-top: var(--space-12);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    text-align: center;
    color: var(--fg-muted);
}

.is-hidden { display: none !important; }

/* -----------------------------------------------------------------------------
   10. ABOUT / WHY US
   -------------------------------------------------------------------------- */
.about { background: rgba(255, 255, 255, 0.018); border-block: 1px solid var(--line); }

.about__grid {
    display: grid;
    gap: clamp(2.5rem, 5vw, 4.5rem);
    align-items: center;
}

.about__media {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--bg-raised);
    box-shadow: var(--shadow-dark-lg);
    aspect-ratio: 5 / 4;
}

.about__media img,
.about__media > svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about__media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 9, 8, 0.55), transparent 60%);
    pointer-events: none;
}

.features {
    display: grid;
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.feature {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
}

.feature__icon {
    width: 2.75rem;
    height: 2.75rem;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    border-radius: var(--radius-md);
    background: rgba(var(--color-primary-rgb), 0.12);
    color: var(--color-primary-400);
}

.feature__title { margin-bottom: var(--space-1); color: #fff; }

.feature__text {
    font-size: var(--text-sm);
    color: var(--fg-muted);
    line-height: var(--leading-normal);
}

/* -----------------------------------------------------------------------------
   11. PROCESS STEPS
   -------------------------------------------------------------------------- */
.steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    counter-reset: step;
}

.step {
    position: relative;
    background: var(--bg-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: var(--space-8) var(--space-6) var(--space-6);
    transition: transform var(--duration-fast) var(--ease-out),
                border-color var(--duration-fast) var(--ease-out);
}

.step:hover { transform: translateY(-4px); border-color: var(--color-neutral-600); }

.step__num {
    counter-increment: step;
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    font-size: var(--text-2xl);
    color: rgba(var(--color-primary-rgb), 0.85);
    letter-spacing: var(--letter-tight);
    line-height: 1;
    margin-bottom: var(--space-4);
    display: block;
}

.step__num::before { content: "0" counter(step); }

.step h3 { margin-bottom: var(--space-2); }

.step p { font-size: var(--text-sm); color: var(--fg-muted); }

/* -----------------------------------------------------------------------------
   12. TESTIMONIALS
   -------------------------------------------------------------------------- */
.reviews {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

.review {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    background: var(--bg-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-dark-md);
}

.review__stars {
    display: flex;
    gap: 2px;
    color: var(--color-primary-500);
}

.review__text {
    color: var(--fg);
    line-height: var(--leading-normal);
    flex: 1;
}

.review__author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-top: var(--space-5);
    border-top: 1px solid var(--line);
}

.review__avatar {
    width: 2.75rem;
    height: 2.75rem;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    border-radius: var(--radius-full);
    background: var(--bg-soft);
    color: var(--color-primary-400);
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    font-size: var(--text-sm);
}

.review__name { font-weight: var(--weight-medium); color: #fff; font-size: var(--text-sm); }
.review__meta { font-size: var(--text-xs); color: var(--fg-muted); }

/* -----------------------------------------------------------------------------
   13. CALL BANNER
   -------------------------------------------------------------------------- */
.callout {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(var(--color-primary-rgb), 0.32);
    background:
        radial-gradient(40rem 24rem at 82% 0%, rgba(var(--color-primary-rgb), 0.24), transparent 65%),
        var(--bg-raised);
    padding: clamp(2.5rem, 5vw, 4rem);
    display: grid;
    gap: var(--space-8);
    align-items: center;
    text-align: center;
}

.callout__phone {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    font-size: clamp(2rem, 5.5vw, 3rem);
    letter-spacing: var(--letter-tight);
    color: #fff;
    transition: color var(--duration-fast) var(--ease-out);
}

.callout__phone:hover { color: var(--color-primary-400); }

.callout__phone svg { color: var(--color-primary-500); flex-shrink: 0; }

/* -----------------------------------------------------------------------------
   14. CONTACT
   -------------------------------------------------------------------------- */
.contact__grid {
    display: grid;
    gap: clamp(2.5rem, 5vw, 4rem);
    align-items: start;
}

.contact__list { display: grid; gap: var(--space-6); margin-top: var(--space-8); }

.contact__item { display: flex; gap: var(--space-4); align-items: flex-start; }

.contact__icon {
    width: 2.75rem;
    height: 2.75rem;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    border-radius: var(--radius-md);
    background: rgba(var(--color-primary-rgb), 0.12);
    color: var(--color-primary-400);
}

.contact__label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: var(--letter-wide);
    color: var(--fg-muted);
    margin-bottom: var(--space-1);
}

.contact__value { color: #fff; font-weight: var(--weight-medium); }

a.contact__value { transition: color var(--duration-fast) var(--ease-out); }
a.contact__value:hover { color: var(--color-primary-400); }

.contact__value--phone {
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    font-size: var(--text-xl);
    letter-spacing: var(--letter-snug);
}

/* Form */
.form {
    background: var(--bg-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: clamp(1.5rem, 3vw, var(--space-10));
    box-shadow: var(--shadow-dark-lg);
}

.form__title { margin-bottom: var(--space-2); }

.form__hint {
    font-size: var(--text-sm);
    color: var(--fg-muted);
    margin-bottom: var(--space-8);
}

.field { margin-bottom: var(--space-5); }

.field__label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--fg);
    margin-bottom: var(--space-2);
}

.field__req { color: var(--color-primary-400); }

.field__control {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    color: var(--fg);
    padding: 0.8125rem var(--space-4);
    font-size: var(--text-base);
    transition: border-color var(--duration-fast) var(--ease-out),
                box-shadow var(--duration-fast) var(--ease-out);
}

.field__control::placeholder { color: var(--color-neutral-600); }

.field__control:hover { border-color: var(--color-neutral-600); }

.field__control:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.22);
}

textarea.field__control { resize: vertical; min-height: 7rem; }

.field__error {
    display: block;
    font-size: var(--text-sm);
    color: #ff8a80;
    margin-top: var(--space-2);
    min-height: 0;
}

.field.has-error .field__control {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.18);
}

.form__consent {
    font-size: var(--text-xs);
    color: var(--fg-muted);
    margin-top: var(--space-4);
    text-align: center;
}

.form__status {
    margin-top: var(--space-5);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    background: rgba(22, 163, 74, 0.14);
    border: 1px solid rgba(22, 163, 74, 0.4);
    color: #86efac;
}

.form__status[hidden] { display: none; }

/* -----------------------------------------------------------------------------
   15. FOOTER
   -------------------------------------------------------------------------- */
.footer {
    background: #100e0d;
    border-top: 1px solid var(--line);
    padding-top: clamp(3rem, 6vw, 5rem);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    padding-bottom: var(--space-12);
}

.footer__brandcol { max-width: 24rem; }

.footer__pitch {
    color: var(--fg-muted);
    font-size: var(--text-sm);
    margin: var(--space-5) 0 var(--space-6);
}

.footer__phone {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    font-size: var(--text-xl);
    color: var(--color-primary-400);
    letter-spacing: var(--letter-snug);
    transition: color var(--duration-fast) var(--ease-out);
}

.footer__phone:hover { color: var(--color-primary-300); }

.footer__hours { font-size: var(--text-sm); color: var(--fg-muted); margin-top: var(--space-2); }

.footer__title {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    text-transform: uppercase;
    letter-spacing: var(--letter-wide);
    color: #fff;
    margin-bottom: var(--space-5);
}

.footer__list { display: grid; gap: var(--space-3); }

.footer__list a,
.footer__list span {
    font-size: var(--text-sm);
    color: var(--fg-muted);
    transition: color var(--duration-fast) var(--ease-out);
}

.footer__list a:hover { color: var(--color-primary-400); }

.footer__bottom {
    border-top: 1px solid var(--line);
    padding-block: var(--space-6);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    align-items: center;
    justify-content: space-between;
    font-size: var(--text-xs);
    color: var(--fg-muted);
}

/* -----------------------------------------------------------------------------
   16. STICKY MOBILE CALL BAR
   -------------------------------------------------------------------------- */
.callbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    display: none;
    padding: var(--space-3) var(--space-4)
             calc(var(--space-3) + env(safe-area-inset-bottom, 0px));
    background: rgba(21, 19, 17, 0.94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid var(--line);
}

/* -----------------------------------------------------------------------------
   17. SCROLL REVEAL (progressive enhancement — only active when JS is on)
   -------------------------------------------------------------------------- */
.js .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--duration-slow) var(--ease-out),
                transform var(--duration-slow) var(--ease-out);
    transition-delay: var(--reveal-delay, 0ms);
}

.js .reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* -----------------------------------------------------------------------------
   18. RESPONSIVE — mobile-first breakpoints
   -------------------------------------------------------------------------- */
@media (min-width: 600px) {
    .grid-products { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .steps         { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .footer__grid  { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .callout       { text-align: left; grid-template-columns: 1fr auto; }
}

@media (min-width: 900px) {
    .reviews { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .contact__grid { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr); }
}

@media (min-width: 1024px) {
    :root { --header-h: 5rem; }

    .hero__inner   { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr); }
    .about__grid   { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); }
    .grid-products { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .footer__grid  { grid-template-columns: 1.6fr 1fr 1fr 1.2fr; }
}

@media (min-width: 1280px) {
    .grid-products { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Mobile / tablet nav — drawer + sticky call bar */
@media (max-width: 899px) {
    .nav__toggle { display: inline-flex; position: relative; }

    .nav {
        position: fixed;
        inset: var(--header-h) 0 auto 0;
        background: rgba(21, 19, 17, 0.98);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--line);
        padding: var(--space-4) var(--container-padding) var(--space-6);
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--duration-normal) var(--ease-out),
                    transform var(--duration-normal) var(--ease-out),
                    visibility var(--duration-normal);
    }

    .nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }

    .nav__list { flex-direction: column; align-items: stretch; gap: var(--space-1); }

    .nav__link {
        padding: var(--space-4);
        font-size: var(--text-lg);
        border-radius: var(--radius-md);
        border-bottom: 1px solid var(--line);
    }

    .header__phone span { display: none; }

    .header__phone {
        padding: 0.6875rem;
        width: 2.75rem;
        height: 2.75rem;
    }

    .callbar { display: block; }

    body { padding-bottom: 5rem; }
}

@media (max-width: 599px) {
    .hero__badge { position: static; max-width: none; margin-top: var(--space-4); }
    .product__foot { flex-direction: column; align-items: stretch; }
    .product__call { justify-content: center; }
    .stats { grid-template-columns: 1fr 1fr; }
    .stats > :last-child { grid-column: span 2; }
}

/* Print — the phone number must survive paper */
@media print {
    .header, .callbar, .nav, .marquee, .form { display: none !important; }
    body { background: #fff; color: #000; padding: 0; }
}