/* ===== БАЗА ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg: #0e1116;
    --bg-alt: #141922;
    --surface: #1a2029;
    --border: #262e3a;
    --text: #e8edf3;
    --text-dim: #9aa6b5;
    --accent: #ff6a1a;
    --accent-2: #ffb800;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 20px 40px rgba(0,0,0,0.35);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    position: relative;
    overflow-x: hidden;
}

/* Фоновые градиентные пятна */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(ellipse 800px 600px at 15% 0%, rgba(255, 106, 26, 0.08), transparent 60%),
        radial-gradient(ellipse 700px 500px at 85% 40%, rgba(255, 184, 0, 0.05), transparent 60%),
        radial-gradient(ellipse 600px 800px at 50% 100%, rgba(255, 106, 26, 0.06), transparent 60%);
}

/* Тонкая сетка на фоне */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

/* Все секции выше фона */
.header, section, footer, .float-btn { position: relative; z-index: 1; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* ============================================
   ЗАСТАВКА С ЛАЗЕРНОЙ ГРАВИРОВКОЙ
   ============================================ */
.splash {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: radial-gradient(ellipse at center, #14181f 0%, #08090c 70%);
    display: grid;
    place-items: center;
    overflow: hidden;
    cursor: pointer;
    transition: opacity .8s ease, visibility .8s ease;
}
.splash--hide {
    opacity: 0;
    visibility: hidden;
}

.splash::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
    pointer-events: none;
}
.splash::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.7) 100%);
    pointer-events: none;
}

.splash__scene {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
    user-select: none;
}

.splash__stage {
    position: relative;
    display: inline-block;
}

.splash__text {
    font-family: 'Inter', sans-serif;
    font-weight: 900;
    font-size: clamp(48px, 13vw, 180px);
    letter-spacing: -0.03em;
    line-height: 1;
    margin: 0;
    background: linear-gradient(
        110deg,
        #b87333 0%,
        #ffb800 25%,
        #ff6a1a 45%,
        #ffb800 65%,
        #b87333 100%
    );
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    filter:
        drop-shadow(0 0 12px rgba(255, 106, 26, 0.35))
        drop-shadow(0 0 30px rgba(255, 184, 0, 0.15));
    clip-path: inset(0 100% 0 0);
    animation: splash-reveal 1.8s cubic-bezier(0.7, 0, 0.3, 1) 0.3s forwards,
               splash-cool 1.2s ease 2.2s forwards;
}

@keyframes splash-reveal {
    from { clip-path: inset(0 100% 0 0); }
    to   { clip-path: inset(0 0 0 0); }
}

@keyframes splash-cool {
    from {
        filter:
            drop-shadow(0 0 12px rgba(255, 106, 26, 0.35))
            drop-shadow(0 0 30px rgba(255, 184, 0, 0.15));
    }
    to {
        filter:
            drop-shadow(0 0 6px rgba(255, 106, 26, 0.2))
            drop-shadow(0 0 20px rgba(255, 184, 0, 0.08));
    }
}

.splash__laser {
    position: absolute;
    top: -12%;
    bottom: -12%;
    left: 0;
    width: 2px;
    background: #ffffff;
    box-shadow:
        0 0 6px #ffffff,
        0 0 14px #ffd28a,
        0 0 30px #ffb800,
        0 0 55px #ff6a1a,
        0 0 90px #ff6a1a;
    opacity: 0;
    animation: splash-laser 1.8s cubic-bezier(0.7, 0, 0.3, 1) 0.3s forwards;
    pointer-events: none;
}

.splash__laser::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 180px;
    height: 180px;
    background: radial-gradient(
        circle,
        rgba(255, 240, 200, 0.5) 0%,
        rgba(255, 184, 0, 0.25) 30%,
        rgba(255, 106, 26, 0.1) 55%,
        transparent 75%
    );
    border-radius: 50%;
    animation: splash-pulse .25s ease-in-out infinite alternate;
    pointer-events: none;
}

.splash__laser::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(255,255,255,0.6) 15%,
        rgba(255,255,255,1) 50%,
        rgba(255,255,255,0.6) 85%,
        transparent 100%
    );
    filter: blur(1px);
}

@keyframes splash-laser {
    0%   { left: 0; opacity: 0; }
    5%   { opacity: 1; }
    95%  { opacity: 1; }
    100% { left: 100%; opacity: 0; }
}

@keyframes splash-pulse {
    from { transform: translate(-50%, -50%) scale(1); }
    to   { transform: translate(-50%, -50%) scale(1.15); }
}

.splash__sub {
    margin-top: 28px;
    font-size: clamp(12px, 1.4vw, 16px);
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: #9aa6b5;
    font-weight: 500;
    opacity: 0;
    transform: translateY(8px);
    animation: splash-sub .9s ease 2.3s forwards;
}

@keyframes splash-sub {
    to { opacity: 1; transform: translateY(0); }
}

.splash__hint {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #4a5665;
    opacity: 0;
    animation: splash-sub .8s ease 2.8s forwards;
    pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
    .splash { display: none; }
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(14, 17, 22, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color .3s, background .3s;
}
.header--scrolled {
    border-bottom-color: var(--border);
    background: rgba(14, 17, 22, 0.95);
}
.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    letter-spacing: -.01em;
}
.logo__mark {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #0e1116;
    border-radius: 10px;
    display: grid; place-items: center;
    font-weight: 800; font-size: 14px;
}
.logo__text span { color: var(--text-dim); font-weight: 500; }

.nav {
    display: flex;
    gap: 26px;
    font-size: 15px;
    color: var(--text-dim);
}
.nav a {
    position: relative;
    transition: color .2s;
    white-space: nowrap;
}
.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    transition: width .25s ease;
}
.nav a:hover { color: var(--text); }
.nav a:hover::after { width: 100%; }

.header__phone {
    font-weight: 600;
    color: var(--text);
    transition: color .2s;
    white-space: nowrap;
}
.header__phone:hover { color: var(--accent); }

.burger {
    display: none;
    width: 40px; height: 40px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 10px;
    position: relative;
}
.burger span {
    position: absolute;
    left: 10px; right: 10px;
    height: 2px; background: var(--text);
    transition: transform .3s, opacity .3s;
}
.burger span:nth-child(1) { top: 13px; }
.burger span:nth-child(2) { top: 19px; }
.burger span:nth-child(3) { top: 25px; }
.burger.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
    position: relative;
    padding: 160px 0 100px;
    overflow: hidden;
}
.hero__decor {
    position: absolute;
    top: -200px; right: -200px;
    width: 700px; height: 700px;
    background: radial-gradient(circle, rgba(255,106,26,0.18), transparent 65%);
    filter: blur(20px);
    pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; }
.hero__content { max-width: 820px; }

.hero__badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 24px;
}

.hero__title {
    font-size: clamp(32px, 5vw, 56px);
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -.02em;
    margin-bottom: 24px;
    text-wrap: balance;
}
.hero__subtitle {
    font-size: clamp(15px, 1.6vw, 18px);
    color: var(--text-dim);
    max-width: 640px;
    margin-bottom: 36px;
    text-wrap: pretty;
}
.hero__subtitle strong { color: var(--text); }

.hero__actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

.hero__meta {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}
.hero__meta > div {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.hero__meta strong {
    font-family: 'JetBrains Mono', monospace;
    font-size: 24px;
    font-weight: 800;
    color: var(--accent);
    font-feature-settings: 'tnum' 1;
}
.hero__meta span {
    font-size: 13px;
    color: var(--text-dim);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 26px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    border: 1px solid transparent;
    transition: transform .15s, background .2s, border-color .2s, color .2s;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}
.btn--primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #0e1116;
}
.btn--primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left .5s;
}
.btn--primary:hover { transform: translateY(-2px); }
.btn--primary:hover::before { left: 100%; }

.btn--ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--text);
}
.btn--ghost:hover { border-color: var(--text-dim); }
.btn--full { width: 100%; }

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }
.section--alt { background: var(--bg-alt); }

.section__head { max-width: 720px; margin-bottom: 56px; }
.section__title {
    font-size: clamp(28px, 3.4vw, 40px);
    font-weight: 800;
    letter-spacing: -.02em;
    margin-bottom: 12px;
    text-wrap: balance;
}
.section__subtitle {
    color: var(--text-dim);
    font-size: 16px;
    text-wrap: pretty;
}

/* ===== SERVICES ===== */
.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}
.service-card {
    background: linear-gradient(145deg, rgba(26, 32, 41, 0.9), rgba(20, 25, 34, 0.95));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 32px 28px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.04),
        0 20px 40px rgba(0, 0, 0, 0.3);
    transition: transform .25s, border-color .25s, box-shadow .25s;
}
.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 106, 26, 0.5);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 106, 26, 0.2),
        0 0 60px rgba(255, 106, 26, 0.15);
}
.service-card__icon {
    font-size: 36px;
    margin-bottom: 18px;
}
.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}
.service-card p {
    color: var(--text-dim);
    font-size: 15px;
    margin-bottom: 20px;
}
.service-card__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.service-card__list li {
    font-size: 14px;
    color: var(--text-dim);
    padding-left: 20px;
    position: relative;
}
.service-card__list li::before {
    content: '';
    position: absolute;
    left: 0; top: 8px;
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

/* ===== MATERIALS ===== */
.materials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}
.material-block {
    background: linear-gradient(145deg, rgba(26, 32, 41, 0.9), rgba(20, 25, 34, 0.95));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 32px 28px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.04),
        0 20px 40px rgba(0, 0, 0, 0.3);
}
.material-block h3 {
    font-size: 20px;
    margin-bottom: 16px;
}
.material-block > p { color: var(--text-dim); font-size: 14px; margin-bottom: 14px; }
.material-block__note {
    margin-top: 20px !important;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    font-size: 14px !important;
    color: var(--text-dim) !important;
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.chip {
    padding: 8px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    transition: border-color .2s, color .2s;
}
.chip:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ===== ADVANTAGES ===== */
.advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}
.adv-card {
    background: linear-gradient(145deg, rgba(26, 32, 41, 0.9), rgba(20, 25, 34, 0.95));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 28px 24px;
    position: relative;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.04),
        0 20px 40px rgba(0, 0, 0, 0.3);
    transition: transform .25s, border-color .25s, box-shadow .25s;
}
.adv-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 106, 26, 0.5);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 106, 26, 0.2),
        0 0 60px rgba(255, 106, 26, 0.15);
}
.adv-card__num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 14px;
    letter-spacing: .1em;
}
.adv-card h4 {
    font-size: 17px;
    margin-bottom: 10px;
}
.adv-card p {
    color: var(--text-dim);
    font-size: 14px;
}

/* ===== PORTFOLIO ===== */
.portfolio-filters {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}
.filter-btn {
    padding: 10px 18px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text-dim);
    font-size: 14px;
    font-weight: 500;
    transition: all .2s;
}
.filter-btn:hover { color: var(--text); border-color: var(--text-dim); }
.filter-btn.active {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #0e1116;
    border-color: transparent;
}

.portfolio {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}
.portfolio-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .25s, border-color .25s, box-shadow .25s;
}
.portfolio-item:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 106, 26, 0.5);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 60px rgba(255, 106, 26, 0.15);
}
.portfolio-item.hidden { display: none; }
.portfolio-item__img {
    aspect-ratio: 4 / 3;
    position: relative;
    display: grid;
    place-items: center;
    overflow: hidden;
}
.portfolio-item__img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.portfolio-item:hover .portfolio-item__img img { transform: scale(1.06); }
.portfolio-item__label {
    position: absolute;
    top: 14px; left: 14px;
    padding: 6px 12px;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
    border-radius: 999px;
    font-size: 12px;
    color: #fff;
    font-weight: 500;
}
.portfolio-item__body {
    padding: 18px 20px 22px;
}
.portfolio-item__body h4 {
    font-size: 16px;
    margin-bottom: 6px;
}
.portfolio-item__body p {
    font-size: 14px;
    color: var(--text-dim);
}

/* ===== CALCULATOR ===== */
.calculator {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 32px;
    background: linear-gradient(145deg, rgba(26, 32, 41, 0.9), rgba(20, 25, 34, 0.95));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.04),
        0 20px 40px rgba(0, 0, 0, 0.3);
}
.calculator__form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.calculator__result {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    display: flex;
    flex-direction: column;
}
.calculator__result-label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-dim);
    margin-bottom: 10px;
}
.calculator__result-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 42px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -.02em;
    margin-bottom: 8px;
    line-height: 1.1;
    font-feature-settings: 'tnum' 1;
}
.calculator__result-note {
    font-size: 13px;
    color: var(--text-dim);
    min-height: 36px;
}
.calculator__disclaimer {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: auto;
    padding-top: 16px;
    line-height: 1.5;
}

/* ===== REVIEWS ===== */
.reviews {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}
.review-card {
    background: linear-gradient(145deg, rgba(26, 32, 41, 0.9), rgba(20, 25, 34, 0.95));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.04),
        0 20px 40px rgba(0, 0, 0, 0.3);
    transition: transform .25s, border-color .25s, box-shadow .25s;
}
.review-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 106, 26, 0.5);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 60px rgba(255, 106, 26, 0.15);
}
.review-card__stars {
    color: var(--accent-2);
    font-size: 18px;
    letter-spacing: 2px;
}
.review-card__text {
    font-size: 15px;
    color: var(--text);
    line-height: 1.6;
    flex-grow: 1;
}
.review-card__author {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}
.review-card__avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #0e1116;
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}
.review-card__name {
    font-weight: 600;
    font-size: 15px;
}
.review-card__company {
    font-size: 13px;
    color: var(--text-dim);
}

/* ===== ORDER FORM ===== */
.order-form {
    max-width: 760px;
    margin: 0 auto;
    background: linear-gradient(145deg, rgba(26, 32, 41, 0.9), rgba(20, 25, 34, 0.95));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.04),
        0 20px 40px rgba(0, 0, 0, 0.3);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 14px;
}
.field > span { color: var(--text-dim); font-weight: 500; }
.field input,
.field select,
.field textarea {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    font-size: 15px;
    color: var(--text);
    font-family: inherit;
    transition: border-color .2s, box-shadow .2s;
    width: 100%;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 106, 26, 0.15);
}
.field textarea { resize: vertical; min-height: 80px; }
.field__hint {
    color: var(--text-dim);
    font-size: 12px;
}
.field input[type="file"] {
    padding: 9px 14px;
    cursor: pointer;
}

.checkbox {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 13px;
    color: var(--text-dim);
    cursor: pointer;
}
.checkbox input { margin-top: 3px; accent-color: var(--accent); }

.form-status {
    text-align: center;
    font-size: 14px;
    min-height: 20px;
}
.form-status--ok { color: #4ade80; }
.form-status--err { color: #f87171; }

/* ===== CONTACTS ===== */
.contacts {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 32px;
    align-items: start;
}
.contacts__info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.contact-item {
    padding: 18px 22px;
    background: linear-gradient(145deg, rgba(26, 32, 41, 0.9), rgba(20, 25, 34, 0.95));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.04),
        0 12px 24px rgba(0, 0, 0, 0.25);
}
.contact-item__label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-dim);
    margin-bottom: 6px;
}
.contact-item__value {
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
    display: inline-block;
}
a.contact-item__value:hover { color: var(--accent); }

/* ===== FOOTER ===== */
.footer {
    border-top: 1px solid var(--border);
    padding: 56px 0 24px;
    background: var(--bg);
}
.footer__inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer__desc {
    color: var(--text-dim);
    font-size: 14px;
    margin-top: 16px;
    max-width: 340px;
}
.footer__title {
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 16px;
}
.footer__col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 14px;
    color: var(--text-dim);
}
.footer__col a:hover { color: var(--accent); }

.footer__bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-dim);
    flex-wrap: wrap;
}

/* ===== FLOAT BUTTONS ===== */
.float-btn {
    position: fixed;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: #fff;
    z-index: 90;
    transition: transform .2s, box-shadow .2s;
    bottom: 24px;
}
.float-btn:hover { transform: scale(1.08); }

.float-wa {
    right: 24px;
    background: #25d366;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
}

.float-call {
    left: 24px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #0e1116;
    box-shadow: 0 10px 30px rgba(255, 106, 26, 0.4);
    display: none;
}

/* ===== FADE-IN ===== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .6s ease-out, transform .6s ease-out;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1000px) {
    .nav { gap: 18px; font-size: 14px; }
}

@media (max-width: 900px) {
    .contacts { grid-template-columns: 1fr; }
    .footer__inner { grid-template-columns: 1fr 1fr; }
    .hero { padding: 130px 0 70px; }
    .section { padding: 70px 0; }
    .calculator { grid-template-columns: 1fr; padding: 28px; }
    .calculator__form { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    .nav { display: none; }
    .header__phone { display: none; }
    .burger { display: block; }

    .nav.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0; right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        padding: 24px;
        gap: 18px;
    }

    .form-row { grid-template-columns: 1fr; }
    .order-form { padding: 24px; }
    .hero__meta { gap: 24px; }
    .hero__actions { flex-direction: column; align-items: stretch; }
    .btn { width: 100%; }
    .footer__inner { grid-template-columns: 1fr; }
    .footer__bottom { flex-direction: column; }

    .calculator__result-value { font-size: 32px; }

    .float-call { display: grid; }
    .float-btn { width: 52px; height: 52px; bottom: 18px; }
    .float-wa { right: 18px; }
    .float-call { left: 18px; }
}