:root {
	--color-primary: #6EC1E4;
	--color-primary-dark: #4FA9CE;
	--color-secondary: #54595F;
	--color-accent: #61CE70;
	--color-text: #3d3d3d;
	--color-text-light: #7A7A7A;
	--color-border: #e5e5e5;
	--color-bg-alt: #f5f5f5;
	--color-dark: #2c2e30;
	--container-width: 1140px;
	--radius: 10px;
	--font-body: "Roboto", Arial, sans-serif;
	--font-heading: "Roboto Slab", Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; }
body {
	margin: 0;
	font-family: var(--font-body);
	color: var(--color-text);
	line-height: 1.6;
	background: #fff;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { padding-left: 1.2em; margin: 0; }
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.25; margin: 0 0 16px; color: #1e2124; }
p { margin: 0 0 12px; }

.container {
	max-width: var(--container-width);
	margin: 0 auto;
	padding: 0 24px;
}

.section-title {
	color: var(--color-primary);
	text-transform: uppercase;
	font-size: 28px;
	font-weight: 700;
}
.section-title--center { text-align: center; margin-bottom: 40px; }

.divider {
	border: none;
	border-top: 1px solid var(--color-border);
	margin: 24px 0;
}

/* Buttons */
.btn {
	display: inline-block;
	padding: 12px 28px;
	border-radius: 4px;
	font-weight: 600;
	font-size: 15px;
	cursor: pointer;
	border: 2px solid transparent;
	transition: background .2s ease, color .2s ease, transform .15s ease;
}
.btn--primary {
	background: var(--color-primary);
	color: #fff;
}
.btn--primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); }
.btn--outline {
	background: transparent;
	border-color: #fff;
	color: #fff;
}
.btn--outline:hover { background: #fff; color: var(--color-accent); }
.btn--block { width: 100%; text-align: center; }
button.btn { font-family: inherit; }

/* Header */
.site-header {
	background: var(--color-secondary);
	color: #fff;
	position: sticky;
	top: 0;
	z-index: 100;
}
.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 14px 24px;
	gap: 24px;
}
.brand {
	display: flex;
	align-items: center;
	gap: 12px;
	color: #fff;
	font-weight: 600;
	font-size: 15px;
	max-width: 60%;
	min-width: 0;
}
.brand__logo {
	width: 44px;
	height: 44px;
	filter: brightness(0) invert(1);
}
.main-nav {
	display: flex;
	gap: 28px;
	flex-wrap: wrap;
}
.main-nav a {
	color: #fff;
	font-size: 15px;
	font-weight: 500;
	position: relative;
	padding: 4px 0;
}
.main-nav a:hover { color: var(--color-primary); }
.nav-toggle {
	display: none;
	flex-direction: column;
	gap: 5px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 8px;
}
.nav-toggle span {
	width: 24px;
	height: 2px;
	background: #fff;
	display: block;
}

/* Hero */
.hero {
	display: flex;
	align-items: center;
	gap: 48px;
	padding: 64px 24px;
	flex-wrap: wrap;
}
.hero__text { flex: 1 1 420px; min-width: 0; }
.hero__text h1 {
	color: var(--color-primary);
	font-size: 40px;
	font-weight: 700;
}
.hero__list {
	list-style: none;
	padding: 0;
	margin: 0 0 28px;
}
.hero__list li {
	font-weight: 600;
	padding: 6px 0 6px 28px;
	position: relative;
}
.hero__list li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 14px;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--color-primary);
}
.hero__image {
	flex: 1 1 380px;
	max-width: 460px;
	min-width: 0;
	margin: 0 auto;
}

/* Services / flip cards */
.services {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
	padding: 20px 24px 80px;
	min-width: 0;
}
.services > .flip-card { min-width: 0; }
.flip-card { perspective: 1200px; height: 320px; }
.flip-card__inner {
	position: relative;
	width: 100%;
	height: 100%;
	transition: transform .6s;
	transform-style: preserve-3d;
}
.flip-card:hover .flip-card__inner { transform: rotateY(180deg); }
.flip-card__front, .flip-card__back {
	position: absolute;
	inset: 0;
	backface-visibility: hidden;
	border-radius: var(--radius);
	background: linear-gradient(160deg, #6fd07d, var(--color-accent));
	color: #fff;
	padding: 36px 28px;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
}
.flip-card__back { transform: rotateY(180deg); background: linear-gradient(160deg, #59b868, #3ea94f); }
.flip-card__icon svg { width: 48px; height: 48px; fill: #fff; margin-bottom: 18px; }
.flip-card__front h3, .flip-card__back h3 { color: #fff; font-size: 19px; margin-bottom: 12px; }
.flip-card__front p { font-size: 14px; opacity: .95; margin: 0; }

/* About */
.about {
	display: flex;
	align-items: center;
	gap: 56px;
	padding: 40px 24px 80px;
	flex-wrap: wrap;
}
.about__text { flex: 1 1 420px; min-width: 0; }
.about__image { flex: 1 1 420px; min-width: 0; }
.about__image img { border-radius: var(--radius); box-shadow: 0 12px 30px rgba(0,0,0,.15); }

/* How it works */
.how { padding: 20px 24px 80px; }
.how__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
}
.how__card { min-width: 0; }
.how__card {
	background: #fafafa;
	border-radius: var(--radius);
	padding: 30px;
	text-align: center;
	border: 1px solid var(--color-border);
}
.how__card img {
	width: 140px;
	height: 140px;
	border-radius: 50%;
	object-fit: cover;
	margin: 0 auto 20px;
}
.how__card h3 { font-size: 18px; }
.how__card p { color: var(--color-text-light); font-size: 14px; }

/* FAQ Accordion */
.faq { padding: 20px 24px 80px; }
.accordion__item {
	border: 1px solid var(--color-border);
	border-radius: 6px;
	margin-bottom: 10px;
	overflow: hidden;
}
.accordion__item summary {
	list-style: none;
	cursor: pointer;
	padding: 16px 20px;
	font-weight: 500;
	display: flex;
	align-items: center;
	justify-content: space-between;
	background: #fff;
}
.accordion__item summary::-webkit-details-marker { display: none; }
.accordion__icon {
	position: relative;
	width: 14px;
	height: 14px;
	flex-shrink: 0;
	margin-left: 16px;
}
.accordion__icon::before, .accordion__icon::after {
	content: "";
	position: absolute;
	background: var(--color-primary);
	transition: transform .2s ease;
}
.accordion__icon::before { top: 50%; left: 0; width: 100%; height: 2px; transform: translateY(-50%); }
.accordion__icon::after { left: 50%; top: 0; height: 100%; width: 2px; transform: translateX(-50%); }
.accordion__item[open] .accordion__icon::after { transform: translateX(-50%) scaleY(0); }
.accordion__content { padding: 0 20px 18px; color: var(--color-text-light); }
.accordion__content p { margin: 0; }

/* CTA */
.cta {
	background: linear-gradient(rgba(20,22,24,.72), rgba(20,22,24,.72)), url("../assets/img/cta-bg.png") center/cover no-repeat;
	color: #fff;
	padding: 70px 24px;
	text-align: center;
}
.cta__inner { max-width: 720px; margin: 0 auto; }
.cta h2 { color: #fff; font-size: 30px; }
.cta h2 b { color: var(--color-primary); }
.cta p { opacity: .9; margin-bottom: 28px; }

/* Reviews */
.reviews { padding: 60px 24px; }
.reviews__viewport {
	position: relative;
	display: flex;
	align-items: center;
	gap: 12px;
}
.reviews__track {
	display: flex;
	gap: 30px;
	overflow: hidden;
	flex: 1;
	scroll-behavior: smooth;
}
.review-card {
	flex: 0 0 calc((100% - 60px) / 3);
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	padding: 25px;
	background: #fff;
	min-width: 260px;
}
.review-card__head {
	display: flex;
	align-items: center;
	gap: 14px;
	margin-bottom: 14px;
}
.review-card__avatar {
	width: 60px;
	height: 60px;
	border-radius: 50%;
	object-fit: cover;
}
.review-card__head h3 {
	font-size: 16px;
	color: var(--color-primary);
	margin: 0 0 4px;
}
.review-card p { font-size: 14px; color: var(--color-text-light); margin: 0; }
.stars {
	--rating: 0;
	display: inline-block;
	font-size: 15px;
	line-height: 1;
	position: relative;
	color: #ddd;
}
.stars::before { content: "★★★★★"; }
.stars::after {
	content: "★★★★★";
	position: absolute;
	left: 0; top: 0;
	width: calc(var(--rating) / 5 * 100%);
	overflow: hidden;
	color: #f5a623;
	white-space: nowrap;
}
.reviews__arrow {
	background: #fff;
	border: 1px solid var(--color-border);
	width: 40px;
	height: 40px;
	border-radius: 50%;
	font-size: 22px;
	cursor: pointer;
	flex-shrink: 0;
	color: var(--color-primary);
	line-height: 1;
}
.reviews__arrow:hover { background: var(--color-primary); color: #fff; }
.reviews__dots {
	display: flex;
	justify-content: center;
	gap: 8px;
	margin-top: 24px;
}
.reviews__dots button {
	width: 9px;
	height: 9px;
	border-radius: 50%;
	background: #ccc;
	border: none;
	cursor: pointer;
	padding: 0;
}
.reviews__dots button.active { background: var(--color-primary); }

/* Contact / form */
.contact {
	background: var(--color-bg-alt);
	padding: 70px 24px;
}
.contact__grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 40px;
}
.contact__info, .contact__form-wrap { min-width: 0; }
.contact__info h2 { font-size: 26px; }
.check-list { list-style: none; padding: 0; margin: 18px 0; }
.check-list li {
	position: relative;
	padding: 6px 0 6px 30px;
	font-weight: 500;
}
.check-list li::before {
	content: "✔";
	position: absolute;
	left: 0;
	color: var(--color-primary);
	font-weight: 700;
}
.contact__form-wrap {
	background: #fff;
	border-radius: var(--radius);
	padding: 34px;
	box-shadow: 0 10px 30px rgba(0,0,0,.08);
}
.contact__form-wrap h2 { color: var(--color-primary); font-size: 22px; }
.lead-form { display: flex; flex-direction: column; gap: 4px; margin-top: 16px; }
.lead-form label { font-size: 13px; font-weight: 600; margin-top: 12px; }
.lead-form input, .lead-form select {
	width: 100%;
	padding: 11px 14px;
	border: 1px solid var(--color-border);
	border-radius: 4px;
	font-size: 14px;
	font-family: inherit;
	margin-top: 4px;
}
.lead-form input:focus, .lead-form select:focus {
	outline: none;
	border-color: var(--color-primary);
}
.lead-form__row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
}
.lead-form button { margin-top: 20px; }
.lead-form__status { margin-top: 12px; font-size: 14px; min-height: 20px; }
.lead-form__status.success { color: #2e9e4a; }
.lead-form__status.error { color: #d1453b; }

/* Footer */
.site-footer {
	background: var(--color-dark);
	color: #b5b8ba;
	padding: 60px 24px 0;
}
.footer-inner {
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr;
	gap: 40px;
	padding-bottom: 40px;
}
.footer-brand, .footer-links { min-width: 0; }
.footer-brand__logo {
	width: 60px;
	height: 60px;
	filter: brightness(0) invert(1);
	margin-bottom: 16px;
}
.footer-brand p { font-size: 13px; color: #9a9ea1; }
.footer-links h4 { color: #fff; font-size: 17px; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; }
.footer-links a { display: block; padding: 5px 0; font-size: 14px; color: #b5b8ba; }
.footer-links a:hover { color: var(--color-primary); }
.footer-bottom {
	border-top: 1px solid rgba(255,255,255,.1);
	text-align: center;
	padding: 20px 0;
	font-size: 13px;
	color: #8a8d8f;
}

/* Responsive */
@media (max-width: 900px) {
	.services, .how__grid { grid-template-columns: repeat(2, 1fr); }
	.review-card { flex: 0 0 calc((100% - 30px) / 2); }
	.contact__grid { grid-template-columns: 1fr; }
	.footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
	.nav-toggle { display: flex; }
	.main-nav {
		position: absolute;
		top: 100%;
		left: 0;
		right: 0;
		background: var(--color-secondary);
		flex-direction: column;
		padding: 12px 24px 20px;
		gap: 14px;
		display: none;
	}
	.main-nav.open { display: flex; }
	.hero { padding: 40px 24px; }
	.hero__text h1 { font-size: 30px; }
	.services, .how__grid { grid-template-columns: 1fr; padding-bottom: 40px; }
	.about { flex-direction: column-reverse; }
	.review-card { flex: 0 0 100%; }
	.lead-form__row { grid-template-columns: 1fr; }
	.footer-inner { grid-template-columns: 1fr; text-align: center; }
	.check-list li, .footer-links a { text-align: left; }
}