/* =========================================================
   CITRUS — единый стиль сайта веб-студии
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
    --c-lime: #AFF500;
    --c-lime-2: #C8FF3D;
    --c-lime-soft: rgba(175, 245, 0, 0.14);
    --c-orange: #FF8A3D;
    --c-pink: #FF4D8F;
    --c-violet: #6A5BFF;
    --c-cyan: #2BE5FF;

    --c-ink: #0B0E1A;
    --c-ink-2: #131830;
    --c-ink-3: #1B2245;
    --c-text: #E8ECF8;
    --c-muted: rgba(232, 236, 248, 0.62);
    --c-line: rgba(232, 236, 248, 0.10);
    --c-card: rgba(255, 255, 255, 0.04);
    --c-card-2: rgba(255, 255, 255, 0.07);

    --radius-sm: 10px;
    --radius: 18px;
    --radius-lg: 28px;
    --radius-xl: 36px;

    --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.18);
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 40px rgba(175, 245, 0, 0.35);

    --container: 1240px;
    --header-h: 80px;

    --ff-text: "Manrope", "Inter", "Segoe UI", Arial, sans-serif;
    --ff-head: "Unbounded", "Manrope", sans-serif;

    --t: 0.32s cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { overflow-x: hidden; }
body { overflow-x: hidden; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--ff-text);
    font-size: 16px;
    line-height: 1.6;
    color: var(--c-text);
    background: var(--c-ink);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-wrap: break-word;
    word-wrap: break-word;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--t); }
a:hover { color: var(--c-lime); }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5 {
    font-family: var(--ff-head);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.01em;
}

::selection { background: var(--c-lime); color: var(--c-ink); }

/* ---------- Background ---------- */
.bg-grid {
    position: fixed; inset: 0;
    background:
        radial-gradient(circle at 20% 0%, rgba(106, 91, 255, 0.25), transparent 40%),
        radial-gradient(circle at 90% 10%, rgba(255, 138, 61, 0.18), transparent 45%),
        linear-gradient(180deg, #0B0E1A 0%, #0A0C18 100%);
    z-index: -3;
}
.bg-grid::before {
    content: "";
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse at top, #000 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at top, #000 30%, transparent 80%);
    opacity: 0.6;
}
.bg-blobs { position: fixed; inset: 0; pointer-events: none; z-index: -2; overflow: hidden; }
.bg-blobs .blob {
    position: absolute;
    width: 620px; height: 620px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.45;
    will-change: transform;
}
.blob-1 { background: var(--c-lime); top: -200px; left: -180px; animation: float1 26s ease-in-out infinite; opacity: 0.28; }
.blob-2 { background: var(--c-violet); top: 30%; right: -200px; animation: float2 32s ease-in-out infinite; opacity: 0.35; }
.blob-3 { background: var(--c-orange); bottom: -240px; left: 30%; animation: float3 28s ease-in-out infinite; opacity: 0.25; }

@keyframes float1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(80px, 60px) scale(1.1); } }
@keyframes float2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-100px, 40px) scale(0.95); } }
@keyframes float3 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(40px, -80px) scale(1.05); } }

/* ---------- Layout ---------- */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}
.site-main { padding-top: var(--header-h); }
section { padding: 100px 0; position: relative; }
section + section { padding-top: 80px; }

.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-eyebrow {
    display: inline-block;
    font-family: var(--ff-head);
    font-size: 12px; font-weight: 600;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--c-lime);
    padding: 8px 14px;
    border: 1px solid var(--c-lime);
    border-radius: 999px;
    margin-bottom: 18px;
    background: var(--c-lime-soft);
}
.section-title {
    font-size: clamp(32px, 4.2vw, 56px);
    margin-bottom: 16px;
}
.section-sub {
    color: var(--c-muted);
    font-size: 18px;
    max-width: 620px;
    margin: 0 auto;
}

.gradient-text {
    background: linear-gradient(120deg, var(--c-lime) 0%, var(--c-cyan) 50%, var(--c-violet) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-h);
    z-index: 100;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    background: rgba(11, 14, 26, 0.55);
    border-bottom: 1px solid var(--c-line);
    transition: background var(--t), border-color var(--t);
}
.site-header.is-scrolled {
    background: rgba(11, 14, 26, 0.85);
    border-bottom-color: rgba(255, 255, 255, 0.05);
}
.header-inner {
    height: 100%;
    display: flex; align-items: center;
    gap: 24px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--c-text);
}
.logo-svg {
    height: 30px;
    width: auto;
    display: block;
    color: var(--c-text);
    transition: transform var(--t);
}
.logo:hover .logo-svg { transform: translateY(-1px); }
.logo--footer .logo-svg { height: 38px; }

.site-nav {
    display: flex;
    gap: 6px;
    margin-left: auto;
}
.nav-link {
    padding: 10px 14px;
    border-radius: 999px;
    font-weight: 500;
    font-size: 15px;
    color: var(--c-muted);
    transition: color var(--t), background var(--t);
    position: relative;
}
.nav-link:hover { color: var(--c-text); background: var(--c-card); }
.nav-link.is-active { color: var(--c-ink); background: var(--c-lime); }

.header-cta {
    display: flex;
    align-items: center;
    gap: 14px;
}
.header-phone {
    font-weight: 600; font-size: 15px;
    color: var(--c-text);
}
.header-phone:hover { color: var(--c-lime); }

.lang-switch {
    display: inline-flex;
    align-items: center;
    background: var(--c-card);
    border: 1px solid var(--c-line);
    border-radius: 999px;
    padding: 3px;
    gap: 2px;
}
.lang-btn {
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--c-muted);
    line-height: 1;
    transition: color var(--t), background var(--t);
}
.lang-btn:hover { color: var(--c-text); }
.lang-btn.is-active { background: var(--c-lime); color: var(--c-ink); }

.burger {
    display: none;
    width: 44px; height: 44px;
    border-radius: 12px;
    background: var(--c-card);
    border: 1px solid var(--c-line);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}
.burger span {
    display: block;
    width: 20px; height: 2px;
    background: var(--c-text);
    border-radius: 2px;
    transition: transform var(--t), opacity var(--t);
}
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center; justify-content: center;
    gap: 10px;
    padding: 16px 28px;
    border-radius: 999px;
    font-weight: 600; font-size: 15px;
    letter-spacing: 0.01em;
    line-height: 1;
    transition: transform var(--t), background var(--t), color var(--t), box-shadow var(--t);
    white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-sm { padding: 12px 20px; font-size: 14px; }
.btn-lg { padding: 20px 36px; font-size: 16px; }
.btn-block { width: 100%; }

.btn-primary {
    background: var(--c-lime);
    color: var(--c-ink);
    box-shadow: 0 14px 30px rgba(175, 245, 0, 0.28);
}
.btn-primary:hover { background: var(--c-lime-2); color: var(--c-ink); transform: translateY(-2px); box-shadow: 0 18px 38px rgba(175, 245, 0, 0.42); }

.btn-ghost {
    background: var(--c-card);
    color: var(--c-text);
    border: 1px solid var(--c-line);
}
.btn-ghost:hover { background: var(--c-card-2); color: var(--c-text); transform: translateY(-2px); }

.btn-outline {
    background: transparent;
    color: var(--c-text);
    border: 1px solid var(--c-lime);
}
.btn-outline:hover { background: var(--c-lime); color: var(--c-ink); }

/* ---------- HERO ---------- */
.hero {
    position: relative;
    padding: 120px 0 100px;
    overflow: hidden;
    min-height: calc(100vh - var(--header-h));
    display: flex;
    align-items: center;
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.hero__bg-ring {
    position: absolute;
    border: 1px solid var(--c-line);
    border-radius: 50%;
    opacity: 0.7;
    animation: ringSpin 36s linear infinite;
}
.hero__bg-ring--1 { width: 920px; height: 920px; left: 55%; top: -10%; }
.hero__bg-ring--2 { width: 640px; height: 640px; left: 70%; top: 10%; animation-duration: 60s; animation-direction: reverse; }
.hero__bg-ring--3 { width: 1200px; height: 1200px; left: 50%; top: -25%; opacity: 0.45; border-style: dashed; animation-duration: 90s; }
@keyframes ringSpin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 60px;
    align-items: center;
    width: 100%;
}
.hero__text, .hero__visual { min-width: 0; }

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--c-card);
    border: 1px solid var(--c-line);
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    color: var(--c-text);
    margin-bottom: 28px;
    position: relative;
    overflow: hidden;
}
.hero__badge::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(175, 245, 0, 0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    animation: badgeSheen 4s ease-in-out 2s infinite;
}
@keyframes badgeSheen { 0%,100% { transform: translateX(-100%); } 30% { transform: translateX(100%); } }
.hero__badge-dot {
    width: 8px; height: 8px;
    background: var(--c-lime);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(175, 245, 0, 0.2);
    animation: pulse 2s infinite;
    flex-shrink: 0;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(175, 245, 0, 0.2); }
    50% { box-shadow: 0 0 0 10px rgba(175, 245, 0, 0); }
}

.hero__title {
    font-size: clamp(40px, 6vw, 78px);
    line-height: 1.02;
    margin-bottom: 24px;
    letter-spacing: -0.025em;
    display: flex;
    flex-wrap: wrap;
    gap: 0.18em;
}
.hero__title > span { display: inline-block; }
.hero__ai {
    position: relative;
    padding: 0 0.1em;
}
.hero__ai-text {
    font-family: var(--ff-head);
    font-weight: 800;
}
.hero__ai::after {
    content: "";
    position: absolute;
    left: -0.05em; right: -0.05em; bottom: -0.05em;
    height: 0.18em;
    background: linear-gradient(90deg, var(--c-lime), var(--c-cyan));
    border-radius: 999px;
    transform: scaleX(0);
    transform-origin: left;
    animation: underline 1.2s cubic-bezier(.6,.0,.2,1) 1s forwards;
}
@keyframes underline {
    to { transform: scaleX(1); }
}

.hero__sub {
    font-size: 19px;
    color: var(--c-muted);
    max-width: 540px;
    margin-bottom: 36px;
    line-height: 1.55;
}
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 56px;
    padding-top: 36px;
    border-top: 1px solid var(--c-line);
}
.hero__stat-num {
    font-family: var(--ff-head);
    font-size: 40px; font-weight: 700;
    color: var(--c-lime);
    line-height: 1;
    margin-bottom: 6px;
}
.hero__stat-text { color: var(--c-muted); font-size: 14px; }

/* --- Visual --- */
.hero__visual {
    position: relative;
    max-width: 520px;
    margin-left: auto;
    width: 100%;
}
.hero__stage {
    position: relative;
    aspect-ratio: 1 / 1;
    transform-style: preserve-3d;
    transition: transform 0.4s cubic-bezier(.2,.7,.2,1);
}
.hero__chips {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 4;
}
.hero__chips .hero__chip { pointer-events: auto; }
.hero__halo {
    position: absolute;
    inset: -8%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(175, 245, 0, 0.32) 0%, transparent 60%);
    filter: blur(20px);
    animation: halo 6s ease-in-out infinite;
}
@keyframes halo {
    0%, 100% { transform: scale(1); opacity: 0.85; }
    50%      { transform: scale(1.08); opacity: 1; }
}

.hero__orbit {
    position: absolute;
    border: 1px dashed rgba(175, 245, 0, 0.25);
    border-radius: 50%;
}
.hero__orbit--outer {
    inset: -4%;
    animation: orbitRotate 24s linear infinite;
}
.hero__orbit--inner {
    inset: 14%;
    border-color: rgba(175, 245, 0, 0.18);
    animation: orbitRotate 18s linear infinite reverse;
}
@keyframes orbitRotate {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}
.hero__pellet {
    position: absolute;
    top: 50%; left: 50%;
    width: 52px; height: 52px;
    margin: -26px;
    border-radius: 50%;
    background: rgba(11, 14, 26, 0.92);
    border: 1px solid var(--c-lime);
    color: var(--c-lime);
    font-family: var(--ff-head);
    font-weight: 700; font-size: 14px;
    letter-spacing: 0.04em;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 22px rgba(175, 245, 0, 0.25), inset 0 0 0 4px rgba(11, 14, 26, 0.9);
    transform: rotate(var(--a)) translateY(-50%) translateY(-204px) rotate(calc(-1 * var(--a)));
    animation: pelletCounterSpin 24s linear infinite;
}
@keyframes pelletCounterSpin {
    from { transform: rotate(var(--a)) translateY(-50%) translateY(-204px) rotate(calc(-1 * var(--a))); }
    to   { transform: rotate(calc(var(--a) + 360deg)) translateY(-50%) translateY(-204px) rotate(calc(-1 * (var(--a) + 360deg))); }
}

.hero__orb {
    position: absolute;
    inset: 14%;
    border-radius: 50%;
    background:
        radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.75) 0%, rgba(255, 255, 255, 0.18) 14%, transparent 32%),
        radial-gradient(circle at 50% 50%, var(--c-lime), #6b9c00 65%, #2d4100 100%);
    box-shadow:
        inset -40px -60px 80px rgba(0, 0, 0, 0.55),
        0 30px 80px rgba(175, 245, 0, 0.4);
    overflow: hidden;
    animation: orbSpin 26s linear infinite;
}
.hero__orb::before {
    content: "";
    position: absolute; inset: 0;
    background:
        repeating-radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0.05) 0 4px, transparent 4px 14px);
    mix-blend-mode: multiply;
}
.hero__orb-shine {
    position: absolute; top: 8%; left: 18%;
    width: 36%; height: 36%;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.7), transparent 70%);
    filter: blur(2px);
}
@keyframes orbSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.hero__orb-core {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    color: rgba(11, 14, 26, 0.85);
    animation: coreCounter 26s linear infinite;
}
.hero__orb-core svg {
    width: 38%; height: 38%;
    filter: drop-shadow(0 4px 10px rgba(11, 14, 26, 0.35));
}
@keyframes coreCounter {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(-360deg); }
}

.hero__leaf {
    position: absolute;
    top: 4%; left: 36%;
    width: 26%;
    color: #5cab15;
    filter: drop-shadow(0 18px 24px rgba(0, 0, 0, 0.35));
    animation: leaf 7s ease-in-out infinite;
    z-index: 2;
}
@keyframes leaf {
    0%, 100% { transform: rotate(-14deg) translateY(0); }
    50%      { transform: rotate(-8deg) translateY(-6px); }
}

.hero__chip {
    position: absolute;
    padding: 12px 16px;
    background: rgba(11, 14, 26, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--c-line);
    border-radius: 14px;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
    z-index: 3;
    min-width: 180px;
    animation: chipFloat 7s ease-in-out infinite;
}
.hero__chip strong {
    display: block;
    color: var(--c-text);
    font-weight: 700;
    font-size: 14px;
    line-height: 1.2;
}
.hero__chip em {
    display: block;
    font-style: normal;
    color: var(--c-muted);
    font-size: 12px;
    margin-top: 2px;
}
.hero__chip-icon {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: var(--c-lime-soft);
    color: var(--c-lime);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.hero__chip-icon svg { width: 20px; height: 20px; }
.hero__chip--tl { top: 4%;  left: -8%;  animation-delay: -2s; }
.hero__chip--br { bottom: 18%; right: -10%; animation-delay: -4s; animation-duration: 8s; }
.hero__chip--bl { bottom: 2%;  left: 8%;  animation-delay: -1s; animation-duration: 9s; }
@keyframes chipFloat {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-10px); }
}

/* --- Entrance animations --- */
.fade-up {
    opacity: 0;
    transform: translateY(28px);
    animation: fadeUp 0.7s cubic-bezier(.2, .8, .2, 1) forwards;
    animation-delay: var(--d, 0s);
}
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
.fade-in {
    opacity: 0;
    animation: fadeInScale 0.9s cubic-bezier(.2, .8, .2, 1) forwards;
    animation-delay: var(--d, 0s);
}
@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.92); }
    to   { opacity: 1; transform: scale(1); }
}

/* ---------- AI section ---------- */
.ai-section { padding-top: 60px; }
.ai-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-bottom: 32px;
}
.ai-card {
    padding: 28px;
    border-radius: var(--radius-lg);
    background: linear-gradient(170deg, rgba(175, 245, 0, 0.08), rgba(106, 91, 255, 0.05));
    border: 1px solid var(--c-line);
    position: relative;
    overflow: hidden;
    transition: transform var(--t), border-color var(--t);
}
.ai-card::before {
    content: "";
    position: absolute; inset: 0;
    background: radial-gradient(360px circle at top right, rgba(175, 245, 0, 0.15), transparent 60%);
    opacity: 0; transition: opacity var(--t);
    pointer-events: none;
}
.ai-card:hover { transform: translateY(-4px); border-color: rgba(175, 245, 0, 0.4); }
.ai-card:hover::before { opacity: 1; }
.ai-card__icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--c-lime), #7dbf00);
    color: var(--c-ink);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px;
    box-shadow: 0 12px 24px rgba(175, 245, 0, 0.25);
    position: relative;
    z-index: 1;
}
.ai-card__icon svg { width: 26px; height: 26px; }
.ai-card__title { font-size: 20px; margin-bottom: 8px; position: relative; z-index: 1; }
.ai-card__text { color: var(--c-muted); font-size: 14px; line-height: 1.55; position: relative; z-index: 1; }
.ai-tools {
    display: flex; align-items: center; gap: 16px;
    padding: 18px 24px;
    border-radius: 999px;
    background: var(--c-card);
    border: 1px solid var(--c-line);
    text-align: left;
}
.ai-tools__label {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--c-lime-soft);
    color: var(--c-lime);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.ai-tools__label svg { width: 18px; height: 18px; }
.ai-tools p { color: var(--c-muted); font-size: 14px; }

/* ---------- Service cards ---------- */
.services {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.service-card--featured {
    grid-column: span 2;
    background: linear-gradient(140deg, rgba(175, 245, 0, 0.12), rgba(106, 91, 255, 0.06));
    border-color: rgba(175, 245, 0, 0.32);
}
.service-card--featured .service-card__title { font-size: 26px; }
.service-card--featured .service-card__icon { width: 64px; height: 64px; }
.service-card--featured .service-card__icon svg { width: 32px; height: 32px; }
.service-card {
    position: relative;
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--c-card);
    border: 1px solid var(--c-line);
    transition: transform var(--t), border-color var(--t), background var(--t);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 320px;
}
.service-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), var(--c-lime-soft), transparent 60%);
    opacity: 0;
    transition: opacity var(--t);
    pointer-events: none;
}
.service-card:hover::before { opacity: 1; }
.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(175, 245, 0, 0.4);
    background: var(--c-card-2);
}
.service-card__icon {
    width: 56px; height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--c-lime), #7dbf00);
    color: var(--c-ink);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 22px;
    box-shadow: 0 12px 24px rgba(175, 245, 0, 0.25);
}
.service-card__icon svg { width: 28px; height: 28px; }
.service-card__title {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--c-text);
}
.service-card__text {
    color: var(--c-muted);
    margin-bottom: 18px;
    flex: 1;
}
.service-card__price {
    font-family: var(--ff-head);
    font-weight: 600;
    color: var(--c-lime);
    font-size: 16px;
}
.service-card__more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 18px;
    color: var(--c-text);
    font-weight: 600; font-size: 14px;
}
.service-card__more svg { width: 16px; height: 16px; transition: transform var(--t); }
.service-card:hover .service-card__more svg { transform: translateX(4px); }

/* Featured single service block (used on services page) */
.service-block {
    padding: 36px;
    border-radius: var(--radius-lg);
    background: var(--c-card);
    border: 1px solid var(--c-line);
    margin-bottom: 22px;
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 36px;
    align-items: center;
}
.service-block__icon {
    width: 96px; height: 96px;
    border-radius: 28px;
    background: linear-gradient(135deg, var(--c-lime), #7dbf00);
    color: var(--c-ink);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px;
    box-shadow: 0 20px 40px rgba(175, 245, 0, 0.28);
}
.service-block__icon svg { width: 44px; height: 44px; }
.service-block__title { font-size: 28px; margin-bottom: 12px; }
.service-block__price { font-family: var(--ff-head); font-weight: 700; color: var(--c-lime); font-size: 22px; margin-top: 14px; }
.service-block__list { display: grid; gap: 12px; }
.service-block__list li {
    display: flex; gap: 12px; align-items: flex-start;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    transition: border-color var(--t), background var(--t);
}
.service-block__list li:hover { border-color: rgba(175, 245, 0, 0.35); background: rgba(175, 245, 0, 0.06); }
.service-block__list svg { width: 22px; height: 22px; color: var(--c-lime); flex-shrink: 0; }

/* ---------- Advantages ---------- */
.adv-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.adv-card {
    padding: 28px;
    border-radius: var(--radius-lg);
    background: var(--c-card);
    border: 1px solid var(--c-line);
    text-align: left;
    transition: transform var(--t), border-color var(--t);
}
.adv-card:hover { transform: translateY(-4px); border-color: rgba(175, 245, 0, 0.35); }
.adv-card__icon {
    width: 48px; height: 48px;
    border-radius: 14px;
    background: var(--c-lime-soft);
    color: var(--c-lime);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px;
}
.adv-card__icon svg { width: 24px; height: 24px; }
.adv-card__title { font-size: 18px; margin-bottom: 8px; }
.adv-card__text { color: var(--c-muted); font-size: 15px; }

/* ---------- Process ---------- */
.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.process-card {
    position: relative;
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--c-card);
    border: 1px solid var(--c-line);
    transition: border-color var(--t), transform var(--t);
}
.process-card:hover { transform: translateY(-4px); border-color: rgba(175, 245, 0, 0.3); }
.process-card__num {
    font-family: var(--ff-head);
    font-weight: 800;
    font-size: 64px;
    line-height: 1;
    background: linear-gradient(180deg, var(--c-lime), transparent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 16px;
}
.process-card__title { font-size: 22px; margin-bottom: 10px; }
.process-card__text { color: var(--c-muted); }

/* ---------- Tech stack ---------- */
.stack-wrap {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}
.stack-card {
    padding: 26px;
    border-radius: var(--radius-lg);
    background: var(--c-card);
    border: 1px solid var(--c-line);
}
.stack-card__title {
    font-family: var(--ff-head);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-lime);
    margin-bottom: 16px;
}
.stack-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.stack-tag {
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--c-line);
    color: var(--c-text);
    font-size: 14px;
    font-weight: 500;
    transition: background var(--t), border-color var(--t), color var(--t);
}
.stack-tag:hover { background: var(--c-lime); color: var(--c-ink); border-color: var(--c-lime); }

/* ---------- Portfolio ---------- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.portfolio-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--c-card);
    border: 1px solid var(--c-line);
    aspect-ratio: 4 / 3;
    transition: transform var(--t), border-color var(--t);
}
.portfolio-card:hover { transform: translateY(-4px); border-color: rgba(175, 245, 0, 0.35); }
.portfolio-card__art {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, var(--bg1, var(--c-lime)) 0%, var(--bg2, var(--c-violet)) 100%);
    transition: transform var(--t);
}
.portfolio-card:hover .portfolio-card__art { transform: scale(1.05); }
.portfolio-card__art::before {
    content: "";
    position: absolute; inset: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.4), transparent 40%),
        repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.05) 0 12px, transparent 12px 24px);
}
.portfolio-card__art::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(11, 14, 26, 0.9) 100%);
}
.portfolio-card__year {
    position: absolute;
    top: 16px; right: 16px;
    z-index: 2;
    font-family: var(--ff-head);
    font-weight: 700;
    font-size: 13px;
    color: rgba(11, 14, 26, 0.85);
    background: rgba(255, 255, 255, 0.85);
    padding: 4px 10px;
    border-radius: 999px;
    backdrop-filter: blur(4px);
}
.portfolio-card__body {
    position: absolute; left: 0; right: 0; bottom: 0;
    padding: 24px;
    z-index: 2;
}
.portfolio-card__cat {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-lime);
    margin-bottom: 8px;
}
.portfolio-card__title { font-size: 22px; color: #fff; margin-bottom: 10px; }
.portfolio-card__desc { color: rgba(255, 255, 255, 0.78); font-size: 14px; margin-bottom: 12px; }
.portfolio-card__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.portfolio-card__tags span {
    font-size: 12px; padding: 4px 10px;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(6px);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

/* ---------- Marquee (clients / tech) ---------- */
.marquee {
    overflow: hidden;
    border-top: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
    padding: 28px 0;
    mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
}
.marquee__track {
    display: flex;
    gap: 60px;
    width: max-content;
    animation: marquee 40s linear infinite;
}
.marquee__item {
    font-family: var(--ff-head);
    font-size: 28px;
    font-weight: 700;
    color: var(--c-muted);
    white-space: nowrap;
    display: flex; align-items: center; gap: 60px;
}
.marquee__item::after { content: "✦"; color: var(--c-lime); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- FAQ ---------- */
.faq { max-width: 880px; margin: 0 auto; }
.faq-item {
    background: var(--c-card);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color var(--t), background var(--t);
}
.faq-item.is-open { border-color: rgba(175, 245, 0, 0.4); background: var(--c-card-2); }
.faq-q {
    width: 100%;
    text-align: left;
    padding: 22px 28px;
    display: flex; justify-content: space-between; align-items: center;
    gap: 20px;
    font-weight: 600;
    font-size: 17px;
    color: var(--c-text);
}
.faq-q__icon {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--c-card-2);
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    transition: background var(--t), transform var(--t);
}
.faq-q__icon::before, .faq-q__icon::after {
    content: ""; width: 12px; height: 2px;
    background: var(--c-text);
    position: absolute;
    transition: transform var(--t);
}
.faq-q__icon { position: relative; }
.faq-q__icon::after { transform: rotate(90deg); }
.faq-item.is-open .faq-q__icon { background: var(--c-lime); }
.faq-item.is-open .faq-q__icon::before, .faq-item.is-open .faq-q__icon::after { background: var(--c-ink); }
.faq-item.is-open .faq-q__icon::after { transform: rotate(0deg); }
.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.faq-a__inner {
    padding: 0 28px 24px;
    color: var(--c-muted);
    line-height: 1.7;
}

/* ---------- CTA strip ---------- */
.cta-strip {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--c-lime) 0%, var(--c-lime-2) 100%);
    color: var(--c-ink);
    position: relative;
    overflow: hidden;
}
.cta-strip::before {
    content: "";
    position: absolute; inset: 0;
    background:
        radial-gradient(circle at 80% 30%, rgba(11, 14, 26, 0.12), transparent 40%),
        radial-gradient(circle at 10% 80%, rgba(11, 14, 26, 0.15), transparent 40%);
}
.cta-strip__inner {
    display: flex; gap: 40px; align-items: center; justify-content: space-between;
    flex-wrap: wrap;
    position: relative;
}
.cta-strip__title { font-size: clamp(28px, 3.6vw, 44px); color: var(--c-ink); margin-bottom: 10px; }
.cta-strip__text { color: rgba(11, 14, 26, 0.75); font-size: 18px; max-width: 540px; }
.cta-strip__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-strip .btn-primary { background: var(--c-ink); color: var(--c-lime); box-shadow: 0 14px 30px rgba(11, 14, 26, 0.25); }
.cta-strip .btn-primary:hover { background: #000; color: var(--c-lime-2); }
.cta-strip .btn-ghost { background: rgba(11, 14, 26, 0.08); color: var(--c-ink); border-color: rgba(11, 14, 26, 0.15); }
.cta-strip .btn-ghost:hover { background: rgba(11, 14, 26, 0.15); color: var(--c-ink); }

/* ---------- Footer ---------- */
.site-footer {
    padding: 80px 0 32px;
    background: #07091A;
    border-top: 1px solid var(--c-line);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer-col--brand { max-width: 340px; }
.logo--footer { margin-bottom: 18px; }
.footer-text { color: var(--c-muted); font-size: 14px; line-height: 1.6; margin-bottom: 22px; }
.footer-socials { display: flex; gap: 10px; }
.footer-socials a {
    width: 40px; height: 40px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    background: var(--c-card);
    border: 1px solid var(--c-line);
    color: var(--c-text);
    transition: background var(--t), color var(--t), border-color var(--t);
}
.footer-socials a:hover { background: var(--c-lime); color: var(--c-ink); border-color: var(--c-lime); }
.footer-socials svg { width: 18px; height: 18px; }
.footer-title {
    font-family: var(--ff-head);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-text);
    margin-bottom: 18px;
}
.footer-list li { margin-bottom: 10px; font-size: 14px; color: var(--c-muted); }
.footer-list a:hover { color: var(--c-lime); }
.footer-list--contacts li { display: flex; gap: 10px; align-items: flex-start; }
.footer-list--contacts svg { width: 18px; height: 18px; color: var(--c-lime); flex-shrink: 0; margin-top: 2px; }
.footer-legal {
    display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
    padding-top: 24px;
    border-top: 1px solid var(--c-line);
    color: var(--c-muted);
    font-size: 13px;
}

/* ---------- Modal ---------- */
.modal {
    position: fixed; inset: 0;
    z-index: 200;
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
}
.modal[hidden] { display: none; }
.modal__overlay {
    position: absolute; inset: 0;
    background: rgba(5, 7, 16, 0.65);
    backdrop-filter: blur(6px);
}
.modal__box {
    position: relative;
    width: 100%;
    max-width: 560px;
    background: #11142B;
    border: 1px solid var(--c-line);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow);
    animation: modal-in 0.32s cubic-bezier(.2, .8, .2, 1);
    max-height: 90vh;
    overflow-y: auto;
}
@keyframes modal-in {
    from { opacity: 0; transform: translateY(20px) scale(0.96); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.modal__close {
    position: absolute; top: 18px; right: 18px;
    width: 36px; height: 36px;
    border-radius: 50%;
    font-size: 22px;
    color: var(--c-muted);
    background: var(--c-card);
    transition: background var(--t), color var(--t);
    display: flex; align-items: center; justify-content: center;
    line-height: 1;
}
.modal__close:hover { background: var(--c-lime); color: var(--c-ink); }
.modal__title { font-size: 26px; margin-bottom: 8px; }
.modal__sub { color: var(--c-muted); margin-bottom: 24px; }

/* ---------- Form ---------- */
.form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: grid; gap: 6px; }
.form-label { font-size: 13px; color: var(--c-muted); font-weight: 500; }
.form-field input,
.form-field textarea,
.form-field select {
    width: 100%;
    padding: 14px 18px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--c-line);
    color: var(--c-text);
    font-size: 15px;
    transition: border-color var(--t), background var(--t);
    font-family: inherit;
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
    outline: none;
    border-color: var(--c-lime);
    background: rgba(175, 245, 0, 0.06);
}
.form-field.has-error input,
.form-field.has-error textarea { border-color: #ff6188; background: rgba(255, 97, 136, 0.08); }
.form-check { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--c-muted); }
.form-check input { margin-top: 3px; accent-color: var(--c-lime); }
.form-check a { color: var(--c-lime); }
.form-status { font-size: 14px; min-height: 22px; text-align: center; }
.form-status.is-success { color: var(--c-lime); }
.form-status.is-error { color: #ff6188; }

/* ---------- Contacts ---------- */
.contacts-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: start;
}
.contact-info-card {
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--c-card);
    border: 1px solid var(--c-line);
    margin-bottom: 22px;
}
.contact-info-card h3 { font-size: 20px; margin-bottom: 18px; }
.contact-info-list { display: grid; gap: 14px; }
.contact-info-list li {
    display: flex; gap: 14px; align-items: flex-start;
    color: var(--c-text);
}
.contact-info-list svg { width: 22px; height: 22px; color: var(--c-lime); flex-shrink: 0; margin-top: 2px; }
.contact-info-list span.label { display: block; color: var(--c-muted); font-size: 12px; margin-bottom: 2px; text-transform: uppercase; letter-spacing: 0.1em; }

.req-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.req-table th, .req-table td { padding: 10px 0; text-align: left; border-bottom: 1px solid var(--c-line); }
.req-table th { color: var(--c-muted); font-weight: 500; width: 50%; }
.req-table tr:last-child th, .req-table tr:last-child td { border-bottom: 0; }

/* ---------- Prices ---------- */
.price-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.price-card {
    padding: 36px;
    border-radius: var(--radius-lg);
    background: var(--c-card);
    border: 1px solid var(--c-line);
    display: flex; flex-direction: column;
    position: relative;
    transition: transform var(--t), border-color var(--t);
}
.price-card:hover { transform: translateY(-4px); border-color: rgba(175, 245, 0, 0.35); }
.price-card--featured { border-color: var(--c-lime); background: linear-gradient(170deg, rgba(175, 245, 0, 0.1), transparent 60%); }
.price-card--featured::before {
    content: "Хит";
    position: absolute; top: 18px; right: 18px;
    background: var(--c-lime); color: var(--c-ink);
    font-size: 12px; font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.price-card__name { font-size: 22px; margin-bottom: 6px; }
.price-card__desc { color: var(--c-muted); font-size: 14px; margin-bottom: 22px; }
.price-card__sum {
    font-family: var(--ff-head);
    font-size: 38px; font-weight: 700;
    line-height: 1;
    margin-bottom: 8px;
    color: var(--c-lime);
}
.price-card__period { color: var(--c-muted); font-size: 13px; margin-bottom: 24px; }
.price-card__list { display: grid; gap: 10px; margin-bottom: 28px; flex: 1; }
.price-card__list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--c-text); }
.price-card__list svg { width: 18px; height: 18px; color: var(--c-lime); flex-shrink: 0; margin-top: 2px; }

/* ---------- About page ---------- */
.about-hero { padding: 80px 0 60px; }
.about-hero__lead {
    font-size: 22px;
    color: var(--c-muted);
    max-width: 760px;
    margin: 24px auto 0;
    text-align: center;
}
.about-numbers {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.about-num-card {
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--c-card);
    border: 1px solid var(--c-line);
    text-align: center;
}
.about-num-card__val {
    font-family: var(--ff-head);
    font-size: 56px;
    font-weight: 800;
    line-height: 1;
    color: var(--c-lime);
    margin-bottom: 8px;
}
.about-num-card__lab { color: var(--c-muted); font-size: 14px; }

.about-mission {
    padding: 48px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(175, 245, 0, 0.12), rgba(106, 91, 255, 0.08));
    border: 1px solid var(--c-line);
    text-align: center;
}
.about-mission__title { font-size: 32px; margin-bottom: 16px; }
.about-mission__text { color: var(--c-text); font-size: 18px; max-width: 780px; margin: 0 auto; line-height: 1.7; }

/* ---------- To-top ---------- */
.to-top {
    position: fixed; right: 24px; bottom: 24px;
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--c-lime);
    color: var(--c-ink);
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-glow);
    opacity: 0; transform: translateY(20px);
    pointer-events: none;
    transition: opacity var(--t), transform var(--t), background var(--t);
    z-index: 90;
}
.to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.to-top:hover { background: var(--c-lime-2); }
.to-top svg { width: 20px; height: 20px; transform: rotate(-90deg); }

/* ---------- Reveal animations ---------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(.2, .8, .2, 1);
}
.reveal.is-revealed { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
    .ai-grid { grid-template-columns: repeat(2, 1fr); }
    .hero__pellet { transform: rotate(var(--a)) translateY(-50%) translateY(-180px) rotate(calc(-1 * var(--a))); }
    @keyframes pelletCounterSpin {
        from { transform: rotate(var(--a)) translateY(-50%) translateY(-180px) rotate(calc(-1 * var(--a))); }
        to   { transform: rotate(calc(var(--a) + 360deg)) translateY(-50%) translateY(-180px) rotate(calc(-1 * (var(--a) + 360deg))); }
    }
}
@media (max-width: 1080px) {
    .services, .portfolio-grid, .process-grid, .price-grid { grid-template-columns: repeat(2, 1fr); }
    .service-card--featured { grid-column: span 2; }
    .adv-grid, .about-numbers { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 880px) {
    .hero { padding: 60px 0 80px; min-height: 0; }
    .hero__inner { grid-template-columns: minmax(0, 1fr); gap: 60px; }
    .hero__visual { max-width: 360px; margin: 0 auto; }
    .hero__bg-ring { display: none; }
    .hero__stats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .hero__chip { min-width: 160px; padding: 10px 14px; }
    .hero__chip strong { font-size: 13px; }
    .hero__chip em { font-size: 11px; }
    .hero__chip-icon { width: 32px; height: 32px; }
    .hero__pellet { width: 44px; height: 44px; margin: -22px; font-size: 12px; transform: rotate(var(--a)) translateY(-50%) translateY(-148px) rotate(calc(-1 * var(--a))); }
    @keyframes pelletCounterSpin {
        from { transform: rotate(var(--a)) translateY(-50%) translateY(-148px) rotate(calc(-1 * var(--a))); }
        to   { transform: rotate(calc(var(--a) + 360deg)) translateY(-50%) translateY(-148px) rotate(calc(-1 * (var(--a) + 360deg))); }
    }
    .service-block { grid-template-columns: 1fr; gap: 24px; }
    .contacts-grid { grid-template-columns: 1fr; }
    .header-phone { display: none; }
    .header-cta .btn { display: none; }
    .lang-switch { padding: 2px; }
    .lang-btn { padding: 6px 10px; font-size: 11px; }
    .site-nav {
        position: fixed; top: var(--header-h); left: 0; right: 0;
        background: rgba(11, 14, 26, 0.96);
        backdrop-filter: blur(18px);
        flex-direction: column;
        padding: 24px;
        gap: 4px;
        border-bottom: 1px solid var(--c-line);
        transform: translateY(-130%);
        transition: transform var(--t);
    }
    .site-nav.is-open { transform: translateY(0); }
    .nav-link { width: 100%; padding: 14px 18px; font-size: 16px; }
    .burger { display: flex; }
    section { padding: 70px 0; }
    section + section { padding-top: 50px; }
}
@media (max-width: 640px) {
    .container { padding: 0 16px; }
    .services, .portfolio-grid, .process-grid, .price-grid,
    .adv-grid, .about-numbers, .footer-grid, .ai-grid { grid-template-columns: 1fr; }
    .service-card--featured { grid-column: auto; }
    .form-row { grid-template-columns: 1fr; }
    .hero { padding: 36px 0 60px; }
    .hero__title { font-size: clamp(36px, 9vw, 44px); gap: 0.1em; }
    .hero__sub { font-size: 16px; max-width: 100%; }
    .hero__cta .btn { flex: 1 1 100%; }
    .hero__stats { grid-template-columns: repeat(3, 1fr); gap: 10px; padding-top: 22px; margin-top: 28px; }
    .hero__stat-num { font-size: 26px; }
    .hero__stat-text { font-size: 11px; }
    .hero__visual { max-width: 280px; }
    .hero__chips {
        position: static;
        display: grid;
        gap: 8px;
        margin-top: 22px;
        inset: auto;
    }
    .hero__chip {
        position: static;
        width: 100%;
        min-width: 0;
        animation: none;
        bottom: auto; top: auto; left: auto; right: auto;
    }
    .hero__pellet { width: 32px; height: 32px; margin: -16px; font-size: 10px; transform: rotate(var(--a)) translateY(-50%) translateY(-94px) rotate(calc(-1 * var(--a))); }
    @keyframes pelletCounterSpin {
        from { transform: rotate(var(--a)) translateY(-50%) translateY(-94px) rotate(calc(-1 * var(--a))); }
        to   { transform: rotate(calc(var(--a) + 360deg)) translateY(-50%) translateY(-94px) rotate(calc(-1 * (var(--a) + 360deg))); }
    }
    .section-head { margin-bottom: 28px; }
    .section-title { font-size: clamp(26px, 6.5vw, 38px); }
    .cta-strip { padding: 60px 0; }
    .cta-strip__inner { flex-direction: column; align-items: flex-start; gap: 22px; }
    .modal__box { padding: 28px 20px; }
    .modal__title { font-size: 22px; }
    .footer-grid { gap: 28px; }
    .footer-legal { font-size: 12px; }
    .ai-tools { border-radius: var(--radius-lg); padding: 16px 20px; gap: 12px; flex-wrap: wrap; }
    .ai-tools p { font-size: 13px; }
    .service-card { padding: 24px; min-height: 0; }
    .service-block { padding: 24px; }
    .service-block__icon { width: 72px; height: 72px; }
    .service-block__icon svg { width: 32px; height: 32px; }
    .price-card { padding: 28px; }
    .req-table th, .req-table td { font-size: 13px; }
    .to-top { right: 16px; bottom: 16px; width: 44px; height: 44px; }
    .site-header { height: 64px; }
    :root { --header-h: 64px; }
}

@media (max-width: 380px) {
    .hero__title { font-size: 34px; }
    .hero__stats { grid-template-columns: 1fr 1fr; }
    .hero__stats > div:last-child { grid-column: span 2; border-top: 1px solid var(--c-line); padding-top: 10px; }
    .price-card__sum { font-size: 32px; }
}