/* =========================================================
   BudMaster — основні стилі
   Структура:
   1. Токени (CSS-змінні)   2. Reset/база    3. Типографіка
   4. Кнопки / утиліти      5. Хедер/навігація
   6. Hero + анімація       7. Секції (about, services, pricing, cta)
   8. Футер                 9. Допоміжне (to-top, прогрес, форми)
   10. Reveal-анімації      11. Адаптив     12. reduced-motion
   ========================================================= */

/* 1. ТОКЕНИ ------------------------------------------------ */
:root {
	/* Кольори (можуть перевизначатися з Customizer) */
	--c-accent: #EA580C;
	--c-accent-dark: #C2410C;
	--c-dark: #1F2933;
	--c-dark-2: #111827;
	--c-bg: #F8FAFC;
	--c-surface: #FFFFFF;
	--c-muted: #EEF2F6;
	--c-border: #E2E8F0;
	--c-text: #334155;
	--c-text-strong: #1F2933;
	--c-text-soft: #64748B;
	--c-on-accent: #FFFFFF;
	--c-success: #16A34A;
	--c-danger: #DC2626;

	/* Типографіка */
	--font-head: 'Poppins', system-ui, sans-serif;
	--font-body: 'Open Sans', system-ui, sans-serif;

	/* Радіуси / тіні */
	--r-sm: 8px;
	--r-md: 14px;
	--r-lg: 22px;
	--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 1px rgba(15, 23, 42, .04);
	--shadow-md: 0 8px 24px rgba(15, 23, 42, .08);
	--shadow-lg: 0 24px 60px rgba(15, 23, 42, .14);

	/* Простір / ритм */
	--gap: clamp(1rem, 2vw, 1.5rem);
	--section-y: clamp(3.5rem, 7vw, 6.5rem);
	--container: 1200px;
	--container-narrow: 760px;

	/* Рух */
	--ease: cubic-bezier(.22, 1, .36, 1);
	--t-fast: .16s;
	--t-base: .24s;
}

/* 2. RESET / БАЗА ----------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
	margin: 0;
	font-family: var(--font-body);
	font-size: 16px;
	line-height: 1.65;
	color: var(--c-text);
	background: var(--c-bg);
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}

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

a { color: var(--c-accent); text-decoration: none; transition: color var(--t-fast) var(--ease); }
a:hover { color: var(--c-accent-dark); }

ul { margin: 0; padding: 0; list-style: none; }

button { font-family: inherit; cursor: pointer; }

:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 2px; border-radius: 4px; }

.container {
	width: 100%;
	max-width: var(--container);
	margin-inline: auto;
	padding-inline: clamp(1rem, 4vw, 2rem);
}
.container--narrow { max-width: var(--container-narrow); }

.screen-reader-text {
	position: absolute !important;
	width: 1px; height: 1px;
	overflow: hidden; clip: rect(0 0 0 0);
	white-space: nowrap;
}
.skip-link {
	position: absolute; left: 1rem; top: -3rem;
	background: var(--c-dark); color: #fff; padding: .6rem 1rem;
	border-radius: var(--r-sm); z-index: 1000;
	transition: top var(--t-base) var(--ease);
}
.skip-link:focus { top: 1rem; color: #fff; }

/* 3. ТИПОГРАФІКА ------------------------------------------ */
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--c-text-strong); line-height: 1.15; margin: 0 0 .6em; font-weight: 600; }

.eyebrow {
	display: inline-flex; align-items: center; gap: .5rem;
	font-family: var(--font-head); font-weight: 600;
	font-size: .82rem; letter-spacing: .08em; text-transform: uppercase;
	color: var(--c-text-soft); margin-bottom: 1rem;
}
.eyebrow--accent { color: var(--c-accent); }
.eyebrow__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-accent); box-shadow: 0 0 0 4px rgba(234, 88, 12, .18); }

.section { padding-block: var(--section-y); }
.section--muted { background: var(--c-muted); }

.section__head { max-width: 640px; margin: 0 auto clamp(2rem, 4vw, 3.25rem); text-align: center; }
.section__title { font-size: clamp(1.75rem, 3.6vw, 2.6rem); }
.section__lead { font-size: 1.075rem; color: var(--c-text-soft); margin: 0; }

/* 4. КНОПКИ / УТИЛІТИ ------------------------------------- */
.btn {
	--btn-bg: var(--c-dark);
	--btn-fg: #fff;
	display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
	font-family: var(--font-head); font-weight: 600; font-size: .98rem;
	line-height: 1; padding: .85rem 1.5rem; border: 2px solid transparent;
	border-radius: var(--r-sm); background: var(--btn-bg); color: var(--btn-fg);
	transition: transform var(--t-fast) var(--ease), box-shadow var(--t-base) var(--ease), background var(--t-base) var(--ease), color var(--t-base) var(--ease);
	will-change: transform;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); color: var(--btn-fg); }
.btn:active { transform: translateY(0); }
.btn--lg { padding: 1.05rem 1.9rem; font-size: 1.05rem; }
.btn--block { width: 100%; }

.btn--accent { --btn-bg: var(--c-accent); --btn-fg: var(--c-on-accent); }
.btn--accent:hover { --btn-bg: var(--c-accent-dark); }

.btn--ghost { --btn-bg: transparent; --btn-fg: var(--c-text-strong); border-color: var(--c-border); }
.btn--ghost:hover { --btn-bg: var(--c-surface); border-color: var(--c-dark); }

.btn--outline { --btn-bg: transparent; --btn-fg: var(--c-text-strong); border-color: var(--c-dark); }
.btn--outline:hover { --btn-bg: var(--c-dark); --btn-fg: #fff; }

/* спінер у кнопці форми */
.btn__spinner { display: none; width: 18px; height: 18px; border: 2px solid rgba(255,255,255,.45); border-top-color: #fff; border-radius: 50%; animation: bm-spin .7s linear infinite; }
.btn.is-loading { pointer-events: none; opacity: .85; }
.btn.is-loading .btn__spinner { display: inline-block; }
@keyframes bm-spin { to { transform: rotate(360deg); } }

/* 5. ХЕДЕР / НАВІГАЦІЯ ------------------------------------ */
.site-header {
	position: sticky; top: 0; z-index: 100;
	background: rgba(255, 255, 255, .85);
	backdrop-filter: saturate(180%) blur(12px);
	-webkit-backdrop-filter: saturate(180%) blur(12px);
	border-bottom: 1px solid transparent;
	transition: box-shadow var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); border-color: var(--c-border); }
.site-header__inner { display: flex; align-items: center; gap: 1.25rem; min-height: 72px; }

.site-logo, .custom-logo-link { display: inline-flex; align-items: center; gap: .6rem; font-family: var(--font-head); font-weight: 700; font-size: 1.18rem; color: var(--c-text-strong); }
.site-logo__mark { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px; background: var(--c-dark); color: var(--c-accent); }
.site-logo:hover { color: var(--c-text-strong); }

.site-nav { margin-left: auto; }
.site-nav__list { display: flex; align-items: center; gap: .35rem; }
.site-nav__list a {
	display: inline-block; padding: .55rem .85rem; border-radius: var(--r-sm);
	font-family: var(--font-head); font-weight: 500; font-size: .98rem; color: var(--c-text-strong);
	transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.site-nav__list a:hover, .site-nav__list .current-menu-item > a { background: var(--c-muted); color: var(--c-accent); }

.site-header__actions { display: flex; align-items: center; gap: .85rem; }
.site-nav + .site-header__actions { margin-left: 0; }

.header-phone { display: inline-flex; align-items: center; gap: .45rem; font-family: var(--font-head); font-weight: 600; color: var(--c-text-strong); white-space: nowrap; }
.header-phone:hover { color: var(--c-accent); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 44px; height: 44px; padding: 10px; background: transparent; border: 1px solid var(--c-border); border-radius: var(--r-sm); }
.nav-toggle span { display: block; height: 2px; width: 100%; background: var(--c-text-strong); border-radius: 2px; transition: transform var(--t-base) var(--ease), opacity var(--t-fast) var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 6. HERO + АНІМАЦІЯ -------------------------------------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(180deg, #fff 0%, var(--c-bg) 100%); }
.hero__grid {
	position: absolute; inset: 0;
	background-image:
		linear-gradient(rgba(31,41,51,.045) 1px, transparent 1px),
		linear-gradient(90deg, rgba(31,41,51,.045) 1px, transparent 1px);
	background-size: 38px 38px;
	mask-image: radial-gradient(ellipse 80% 70% at 70% 30%, #000 40%, transparent 80%);
	-webkit-mask-image: radial-gradient(ellipse 80% 70% at 70% 30%, #000 40%, transparent 80%);
}
.hero__inner {
	position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 4vw, 4rem);
	align-items: center; padding-block: clamp(3rem, 7vw, 6rem);
}
.hero__content { max-width: 38rem; }
.hero__title { font-size: clamp(2.25rem, 5.2vw, 4rem); letter-spacing: -.02em; }
.hero__text { font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: var(--c-text-soft); margin: 0 0 2rem; max-width: 34rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-bottom: 2.75rem; }

.hero__stats { display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 4vw, 3rem); margin: 0; }
.stat__num { font-family: var(--font-head); font-weight: 700; font-size: clamp(1.8rem, 3vw, 2.4rem); color: var(--c-text-strong); line-height: 1; }
.stat__label { margin: .35rem 0 0; font-size: .92rem; color: var(--c-text-soft); }

/* --- Будівельна сцена (кран + цеглинки) --- */
.hero__visual { display: flex; justify-content: center; }
.build-scene {
	position: relative; width: min(420px, 100%); aspect-ratio: 1 / 1;
	--brick-w: 64px; --brick-h: 30px; --gap: 6px;
}

/* земля */
.ground { position: absolute; left: 8%; right: 8%; bottom: 14%; height: 8px; border-radius: 6px; background: var(--c-dark); opacity: .9; }
.ground::after { content: ""; position: absolute; inset: 10px 0 auto; height: 26px; top: 8px; background: repeating-linear-gradient(45deg, rgba(31,41,51,.12) 0 6px, transparent 6px 14px); }

/* будівля */
.building {
	position: absolute; bottom: calc(14% + 8px); left: 50%; transform: translateX(-50%);
	display: grid; grid-template-columns: repeat(3, var(--brick-w)); grid-auto-rows: var(--brick-h);
	gap: var(--gap); direction: ltr;
}
.brick {
	background: linear-gradient(180deg, #fb923c, var(--c-accent));
	border-radius: 4px; box-shadow: inset 0 -3px 0 rgba(0,0,0,.12), var(--shadow-sm);
	opacity: 0; transform: translateY(-220px);
}
.brick--window { background: linear-gradient(180deg, #cbd5e1, #94a3b8); }

/* запуск анімації, коли сцена у вʼюпорті (клас додається з JS) */
.build-scene.is-building .brick {
	animation: brick-drop .5s var(--ease) forwards;
	animation-delay: calc(var(--i) * .14s);
}
@keyframes brick-drop {
	0%   { opacity: 0; transform: translateY(-220px); }
	70%  { opacity: 1; transform: translateY(8px); }
	100% { opacity: 1; transform: translateY(0); }
}

/* кран */
.crane { position: absolute; top: 4%; left: 12%; width: 60%; height: 70%; }
.crane__mast { position: absolute; left: 0; bottom: 0; width: 10px; height: 100%; background: var(--c-dark); border-radius: 3px; }
.crane__mast::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(transparent 0 14px, rgba(255,255,255,.25) 14px 16px); }
.crane__jib { position: absolute; top: 0; left: 0; width: 100%; height: 10px; background: var(--c-dark); border-radius: 3px; transform-origin: left center; animation: jib-sway 4s ease-in-out infinite; }
.crane__counterweight { position: absolute; left: -22px; top: -5px; width: 20px; height: 20px; background: var(--c-dark-2); border-radius: 3px; }
.crane__cable { position: absolute; right: 14%; top: 10px; width: 2px; height: 42%; background: var(--c-text-soft); transform-origin: top; animation: cable-lift 4s ease-in-out infinite; }
.crane__hook { position: absolute; bottom: -8px; left: -3px; width: 8px; height: 8px; border: 2px solid var(--c-text-soft); border-top: none; border-radius: 0 0 6px 6px; }
.crane__load { position: absolute; bottom: -22px; left: -10px; width: 22px; height: 14px; background: var(--c-accent); border-radius: 3px; box-shadow: var(--shadow-sm); }

@keyframes jib-sway { 0%, 100% { transform: rotate(0deg); } 50% { transform: rotate(-3deg); } }
@keyframes cable-lift { 0%, 100% { height: 42%; } 50% { height: 30%; } }

/* 7. СЕКЦІЇ ----------------------------------------------- */

/* --- About --- */
.about__inner { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.about__media { position: relative; }
.about__media img, .about__placeholder { width: 100%; border-radius: var(--r-lg); box-shadow: var(--shadow-md); aspect-ratio: 4 / 4.4; object-fit: cover; }
.about__placeholder { display: grid; place-items: center; gap: .75rem; color: var(--c-text-soft); background: var(--c-muted); border: 2px dashed var(--c-border); text-align: center; padding: 2rem; }
.about__badge {
	position: absolute; right: -14px; bottom: 28px; background: var(--c-accent); color: #fff;
	padding: 1rem 1.3rem; border-radius: var(--r-md); box-shadow: var(--shadow-lg); text-align: center; line-height: 1.1;
}
.about__badge strong { display: block; font-family: var(--font-head); font-size: 1.8rem; }
.about__badge span { font-size: .82rem; opacity: .92; }

.checklist { display: grid; gap: .85rem; margin-top: 1.75rem; }
.checklist li { display: flex; align-items: flex-start; gap: .75rem; font-size: 1.02rem; color: var(--c-text); }
.checklist__icon { flex: none; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: rgba(22,163,74,.12); color: var(--c-success); margin-top: 1px; }

/* --- Services --- */
.services__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: clamp(1.1rem, 2vw, 1.6rem); }
.service-card {
	background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-md);
	padding: 1.75rem; box-shadow: var(--shadow-sm);
	transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card__icon { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 14px; background: rgba(234,88,12,.1); color: var(--c-accent); margin-bottom: 1.1rem; transition: background var(--t-base) var(--ease), color var(--t-base) var(--ease); }
.service-card:hover .service-card__icon { background: var(--c-accent); color: #fff; }
.service-card__title { font-size: 1.22rem; margin-bottom: .5rem; }
.service-card__title a { color: var(--c-text-strong); }
.service-card__title a:hover { color: var(--c-accent); }
.service-card__text { margin: 0 0 1.1rem; color: var(--c-text-soft); font-size: .98rem; }
.service-card__more { display: inline-flex; align-items: center; gap: .4rem; font-family: var(--font-head); font-weight: 600; font-size: .95rem; }
.service-card__more svg { transition: transform var(--t-base) var(--ease); }
.service-card__more:hover svg { transform: translateX(4px); }

.services__more { text-align: center; margin-top: 2.5rem; }
.services__hint, .pricing__note { display: flex; align-items: center; justify-content: center; gap: .5rem; margin-top: 2rem; color: var(--c-text-soft); font-size: .92rem; text-align: center; }
.pricing__note svg { color: var(--c-accent); flex: none; }

/* --- Pricing --- */
.pricing__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: clamp(1.25rem, 2.5vw, 2rem); align-items: stretch; }
.plan {
	position: relative; display: flex; flex-direction: column;
	background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-lg);
	padding: 2rem 1.85rem; box-shadow: var(--shadow-sm);
	transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}
.plan:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.plan--featured { border-color: var(--c-accent); box-shadow: var(--shadow-lg); }
.plan--featured::before { content: ""; position: absolute; inset: 0; border-radius: var(--r-lg); padding: 2px; background: linear-gradient(135deg, var(--c-accent), #fb923c); -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.plan__badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--c-accent); color: #fff; font-family: var(--font-head); font-weight: 600; font-size: .8rem; padding: .35rem 1rem; border-radius: 100px; box-shadow: var(--shadow-md); white-space: nowrap; }
.plan__title { font-size: 1.3rem; margin-bottom: .75rem; }
.plan__price { display: flex; align-items: baseline; gap: .4rem; margin-bottom: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--c-border); }
.plan__amount { font-family: var(--font-head); font-weight: 700; font-size: 2rem; color: var(--c-text-strong); font-variant-numeric: tabular-nums; }
.plan__unit { color: var(--c-text-soft); font-size: .95rem; }
.plan__features { display: grid; gap: .7rem; margin-bottom: 1.75rem; }
.plan__features li { display: flex; align-items: flex-start; gap: .6rem; font-size: .98rem; color: var(--c-text); }
.plan__features svg { flex: none; color: var(--c-accent); margin-top: 4px; }
.plan__btn { margin-top: auto; }

/* --- CTA / контакт --- */
.cta { background: var(--c-dark); color: #fff; }
.cta .section__title, .cta h2 { color: #fff; }
.cta__inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.cta__title { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.cta__text p { color: rgba(255,255,255,.75); font-size: 1.075rem; max-width: 30rem; }
.cta__phone { display: inline-flex; align-items: center; gap: .6rem; margin-top: 1.25rem; font-family: var(--font-head); font-weight: 700; font-size: 1.3rem; color: #fff; }
.cta__phone:hover { color: var(--c-accent); }
.cta__phone svg { color: var(--c-accent); }
.cta__socials { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem 1rem; margin-top: 1.75rem; }
.cta__socials-label { color: rgba(255,255,255,.7); font-size: .92rem; }

.contact-form { background: var(--c-surface); border-radius: var(--r-lg); padding: clamp(1.5rem, 3vw, 2.25rem); box-shadow: var(--shadow-lg); }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-family: var(--font-head); font-weight: 600; font-size: .92rem; color: var(--c-text-strong); margin-bottom: .4rem; }
.field input, .field textarea {
	width: 100%; font-family: inherit; font-size: 1rem; color: var(--c-text-strong);
	padding: .85rem 1rem; min-height: 48px; background: var(--c-bg);
	border: 1.5px solid var(--c-border); border-radius: var(--r-sm);
	transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.field textarea { min-height: auto; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--c-accent); box-shadow: 0 0 0 4px rgba(234,88,12,.14); }
.field.has-error input, .field.has-error textarea { border-color: var(--c-danger); }
.form-status { margin: 1rem 0 0; font-size: .95rem; min-height: 1.25rem; }
.form-status.is-success { color: var(--c-success); }
.form-status.is-error { color: #fca5a5; }
.contact-form .form-status.is-error { color: var(--c-danger); }
.form-privacy { margin: .9rem 0 0; font-size: .82rem; color: var(--c-text-soft); }

/* --- Калькулятор --- */
.calc__panel { max-width: 920px; margin: 0 auto; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-lg); box-shadow: var(--shadow-md); padding: clamp(1.5rem, 3vw, 2.5rem); }
.calc__controls { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 1.25rem; align-items: end; }
.calc__field { display: flex; flex-direction: column; }
.calc__field label, .calc__rate-label { font-family: var(--font-head); font-weight: 600; font-size: .9rem; color: var(--c-text-strong); margin-bottom: .45rem; }
.calc__select, .calc__input {
	width: 100%; font-family: inherit; font-size: 1rem; color: var(--c-text-strong);
	padding: .8rem 1rem; min-height: 50px; background: var(--c-bg);
	border: 1.5px solid var(--c-border); border-radius: var(--r-sm);
	transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.calc__select:focus, .calc__input:focus { outline: none; border-color: var(--c-accent); box-shadow: 0 0 0 4px rgba(234,88,12,.14); }
.calc__field--rate { justify-content: flex-end; }
.calc__rate-label { margin-bottom: .45rem; }
.calc__rate { font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; color: var(--c-accent); padding: .55rem 0; }

.calc__result { display: flex; align-items: baseline; flex-wrap: wrap; gap: .5rem; margin-top: 1.75rem; padding: 1.4rem 1.6rem; background: var(--c-dark); color: #fff; border-radius: var(--r-md); }
.calc__result-label { font-size: 1rem; color: rgba(255,255,255,.75); margin-right: auto; }
.calc__total { font-family: var(--font-head); font-weight: 700; font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1; font-variant-numeric: tabular-nums; }
.calc__currency { font-family: var(--font-head); font-weight: 600; font-size: 1.2rem; color: var(--c-accent); }
.calc__total.is-bump { animation: calc-bump .3s var(--ease); }
@keyframes calc-bump { 0% { transform: scale(1); } 40% { transform: scale(1.08); color: var(--c-accent); } 100% { transform: scale(1); } }

.calc__cta { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem 1.5rem; margin-top: 1.5rem; }
.calc__note { display: flex; align-items: center; gap: .5rem; margin: 0; font-size: .85rem; color: var(--c-text-soft); }
.calc__note svg { color: var(--c-accent); flex: none; }

@media (max-width: 680px) {
	.calc__controls { grid-template-columns: 1fr; }
	.calc__field--rate { flex-direction: row; align-items: center; justify-content: space-between; padding-top: .5rem; border-top: 1px solid var(--c-border); }
	.calc__field--rate .calc__rate-label { margin-bottom: 0; }
	.calc__result-label { width: 100%; margin-bottom: .25rem; }
}

/* 8. ФУТЕР ------------------------------------------------ */
.site-footer { background: var(--c-dark-2); color: rgba(255,255,255,.72); padding-top: clamp(3rem, 5vw, 4.5rem); }
.site-logo--light { color: #fff; }
.site-logo--light .site-logo__mark { background: var(--c-accent); color: #fff; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr; gap: clamp(1.5rem, 4vw, 3rem); padding-bottom: 3rem; }
.footer-about { margin: 1rem 0 1.5rem; max-width: 30rem; }
.footer-col__title, .footer-widget__title { font-family: var(--font-head); color: #fff; font-size: 1.05rem; margin-bottom: 1.1rem; }
.footer-menu a, .footer-contacts a, .footer-contacts span { color: rgba(255,255,255,.72); }
.footer-menu li, .footer-contacts li { margin-bottom: .65rem; }
.footer-menu a:hover { color: var(--c-accent); }
.footer-contacts li { display: flex; align-items: flex-start; gap: .6rem; }
.footer-contacts svg { flex: none; color: var(--c-accent); margin-top: 3px; }

.social-links { display: flex; gap: .6rem; }
.social-links a { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 11px; background: rgba(255,255,255,.08); color: #fff; transition: background var(--t-base) var(--ease), transform var(--t-fast) var(--ease); }
.social-links a:hover { background: var(--c-accent); transform: translateY(-3px); }

.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; padding: 1.5rem 0; border-top: 1px solid rgba(255,255,255,.1); font-size: .88rem; }
.footer-bottom p { margin: 0; }
.footer-credit { color: rgba(255,255,255,.5); }

/* 9. ДОПОМІЖНЕ -------------------------------------------- */
/* індикатор AJAX-переходів */
.page-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: var(--c-accent); z-index: 2000; opacity: 0; transition: width .2s var(--ease), opacity .3s var(--ease); }
.page-progress.is-active { opacity: 1; }

/* плавна заміна контенту при AJAX */
.site-main { transition: opacity .2s var(--ease); }
.site-main.is-swapping { opacity: 0; }

/* кнопка «нагору» */
.to-top { position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 90; display: grid; place-items: center; width: 48px; height: 48px; border: none; border-radius: 50%; background: var(--c-dark); color: #fff; box-shadow: var(--shadow-md); opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity var(--t-base) var(--ease), transform var(--t-base) var(--ease), background var(--t-base) var(--ease); }
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--c-accent); }

/* блог / сторінки */
.page-hero { background: var(--c-muted); padding-block: clamp(2.5rem, 5vw, 4rem); border-bottom: 1px solid var(--c-border); }
.page-hero__title { font-size: clamp(1.8rem, 4vw, 2.8rem); margin: 0; }
.page-hero__back { display: inline-flex; align-items: center; gap: .4rem; font-family: var(--font-head); font-weight: 600; font-size: .92rem; margin-bottom: .85rem; }
.entry-content { font-size: 1.06rem; }
.entry-content > * + * { margin-top: 1.1rem; }
.entry-content h2, .entry-content h3 { margin-top: 2rem; }
.entry-content img { border-radius: var(--r-md); }
.single__thumb { margin: 0 0 2rem; }
.single__thumb img { width: 100%; border-radius: var(--r-lg); }
.single__cta { margin-top: 2.5rem; }

/* --- News / блог --- */
.news__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.5rem; text-align: left; max-width: none; }
.news__head > div { max-width: 640px; }
.news__all { flex: none; white-space: nowrap; }

.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.6rem; }
.post-card { display: flex; flex-direction: column; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-md); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease); }
.post-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.post-card__thumb { display: block; aspect-ratio: 16/10; background: var(--c-muted); overflow: hidden; }
.post-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease); }
.post-card:hover .post-card__thumb img { transform: scale(1.05); }
.post-card__ph { display: grid; place-items: center; width: 100%; height: 100%; color: var(--c-secondary, #94A3B8); background: repeating-linear-gradient(45deg, var(--c-muted) 0 12px, #e8edf2 12px 24px); }
.post-card__body { display: flex; flex-direction: column; flex: 1; padding: 1.4rem; }
.post-card__meta { display: flex; align-items: center; gap: .6rem; color: var(--c-text-soft); font-size: .82rem; margin: 0 0 .6rem; }
.post-card__cat { display: inline-flex; align-items: center; padding: .15rem .6rem; border-radius: 100px; background: rgba(234,88,12,.1); color: var(--c-accent); font-family: var(--font-head); font-weight: 600; font-size: .74rem; }
.post-card__title { font-size: 1.2rem; margin-bottom: .4rem; }
.post-card__title a { color: var(--c-text-strong); }
.post-card__title a:hover { color: var(--c-accent); }
.post-card__excerpt { color: var(--c-text-soft); margin: 0 0 1rem; }
.post-card__body .service-card__more { margin-top: auto; }

/* single — мета та теги */
.single__meta { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-bottom: .85rem; color: var(--c-text-soft); font-size: .9rem; }
.single__cat a { display: inline-flex; padding: .2rem .7rem; border-radius: 100px; background: rgba(234,88,12,.1); color: var(--c-accent); font-family: var(--font-head); font-weight: 600; font-size: .8rem; }
.single__tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2rem; }
.single__tags a { display: inline-flex; padding: .35rem .85rem; border-radius: 100px; background: var(--c-muted); color: var(--c-text); font-size: .85rem; }
.single__tags a:hover { background: var(--c-dark); color: #fff; }

@media (max-width: 700px) {
	.news__head { flex-direction: column; align-items: flex-start; }
}

.pagination { margin-top: 2.5rem; }
.pagination .nav-links { display: flex; flex-wrap: wrap; gap: .4rem; justify-content: center; }
.pagination .page-numbers { display: grid; place-items: center; min-width: 44px; height: 44px; padding: 0 .5rem; border-radius: var(--r-sm); background: var(--c-surface); border: 1px solid var(--c-border); color: var(--c-text-strong); font-family: var(--font-head); font-weight: 600; }
.pagination .page-numbers.current { background: var(--c-accent); border-color: var(--c-accent); color: #fff; }
.pagination a.page-numbers:hover { border-color: var(--c-dark); }

.empty-state { text-align: center; color: var(--c-text-soft); padding: 3rem 0; }

.error-404__code { display: block; font-family: var(--font-head); font-weight: 700; font-size: clamp(4rem, 14vw, 8rem); color: var(--c-accent); line-height: 1; opacity: .9; }

/* 10. REVEAL-АНІМАЦІЇ ------------------------------------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease), transform .6s var(--ease); transition-delay: var(--reveal-delay, 0ms); will-change: opacity, transform; }
.reveal.is-visible { opacity: 1; transform: none; }

/* 11. АДАПТИВ --------------------------------------------- */
@media (max-width: 1024px) {
	.hero__inner { grid-template-columns: 1fr; }
	.hero__visual { order: -1; margin-bottom: 1rem; }
	.build-scene { width: min(360px, 80%); }
	.footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
	.about__inner { grid-template-columns: 1fr; }
	.about__media { max-width: 460px; margin-inline: auto; }
	.cta__inner { grid-template-columns: 1fr; }

	.site-nav {
		position: fixed; inset: 72px 0 auto; margin: 0;
		background: var(--c-surface); border-bottom: 1px solid var(--c-border);
		box-shadow: var(--shadow-lg);
		max-height: 0; overflow: hidden; opacity: 0; pointer-events: none;
		transition: max-height var(--t-base) var(--ease), opacity var(--t-base) var(--ease);
	}
	.site-nav.is-open { max-height: 70vh; opacity: 1; pointer-events: auto; }
	.site-nav__list { flex-direction: column; align-items: stretch; gap: 0; padding: .75rem 1rem 1.25rem; }
	.site-nav__list a { padding: .85rem 1rem; border-radius: var(--r-sm); }
	.nav-toggle { display: flex; }
	.header-cta, .header-phone { display: none; }
	.site-header__actions { margin-left: auto; }
}

@media (max-width: 560px) {
	.footer-top { grid-template-columns: 1fr; }
	.hero__actions .btn { flex: 1 1 100%; }
	.btn { width: 100%; }
	.hero__stats { gap: 1.5rem 2rem; }
}

/* 12. REDUCED MOTION ------------------------------------- */
@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
	.reveal { opacity: 1; transform: none; }
	.brick { opacity: 1; transform: none; }
	.crane__jib, .crane__cable { animation: none; }
}