/* ===================== ТехноКварц — главная страница ===================== */

:root {
  --orange: #ff9f0f;
  --orange-dark: #f08a00;
  --dark: #2c2927;
  --dark-2: #232120;
  --text: #393938;
  --text-gray: #808080;
  --text-gray-light: #a3a3a3;
  --border: #e7e7e7;
  --container: 1194px;

  --font-text: "Wix Madefor Text", Arial, sans-serif;
  --font-head: "Roboto Condensed", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
html {
  overflow-x: hidden;
}
body {
  margin: 0;
  overflow-x: hidden;
  font-family: var(--font-text);
  color: var(--text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
img {
  display: block;
  max-width: 100%;
}
a {
  text-decoration: none;
  color: inherit;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
h1,
h2,
h3,
h4,
p {
  margin: 0;
}
ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}
.section {
  padding: 60px 20px;
}
.c-orange {
  color: var(--orange);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-text);
  font-weight: 600;
  font-size: 15px;
  border-radius: 30px;
  padding: 13px 26px;
  white-space: nowrap;
  transition: all 0.2s ease;
}
.btn--orange {
  background: var(--orange);
  color: #fff;
  font-weight: 800;
}
.btn--orange:hover {
  background: var(--orange-dark);
}
.btn--orange-outline {
  border: 1.5px solid var(--orange);
  color: var(--orange);
  background: transparent;
  font-weight: 600;
}
.btn--orange-outline:hover {
  background: var(--orange);
  color: #fff;
}
.btn--outline-dark {
  border: 1.5px solid var(--orange);
  color: var(--orange);
  background: transparent;
  font-weight: 700;
  padding: 12px 24px;
}
.btn--ghost {
  border: 1.5px solid #fff;
  color: #fff;
  background: transparent;
  font-weight: 700;
}
.btn--sm {
  padding: 10px 18px;
  font-size: 14px;
}
.btn--white-bg {
  background: #fff;
}
.btn__circle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 6px;
}
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--orange);
  font-weight: 600;
  font-size: 16px;
}

/* ===================== HEADER ===================== */
.header {
  position: relative;
  z-index: 50;
  background: #fff;
}
.header__top-inner,
.header__bottom-inner {
  display: flex;
  align-items: center;
}
.header__top {
  padding: 16px 0;
}
.header__top-inner {
  gap: 36px;
}
.header__top-inner .logo {
  flex: 0 0 auto;
}

.location {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  color: var(--text);
  white-space: nowrap;
}
.header__phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.header__callback {
  margin-left: auto;
  white-space: nowrap;
}

.social {
  display: flex;
  align-items: center;
  gap: 10px;
}
.social__item {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}
.social__item:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

.footer .social__item {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--orange);
}

.header__bottom {
  border-top: 1px solid var(--border);
  padding: 12px 0;
}
.header__bottom-inner {
  gap: 34px;
}

.btn--catalog {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--orange);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  padding: 13px 22px;
  border-radius: 30px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
}
.main-nav a {
  font-size: 15px;
  color: var(--text);
  white-space: nowrap;
}
.main-nav a:hover {
  color: var(--orange);
}
.main-nav a.is-active {
  color: var(--orange);
  font-weight: 600;
}

.search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===================== HERO ===================== */
.hero {
  position: relative;
  color: #fff;
  overflow: hidden;
  aspect-ratio: 1920 / 703;
  min-height: 460px;
  display: flex;
  flex-direction: column;
}
.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    0deg,
    rgba(10, 8, 6, 0.72) 0%,
    rgba(10, 8, 6, 0.35) 40%,
    rgba(10, 8, 6, 0) 70%
  );
}
.hero__inner {
  position: relative;
  z-index: 1;
  padding: 32px 20px 40px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.hero__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 52px;
  line-height: 1.15;
  text-transform: uppercase;
  max-width: 900px;
  margin-bottom: 36px;
}
.hero__features {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 34px;
  width: 100%;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}
.hero__feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  max-width: 220px;
}
.hero__feature img {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  object-fit: contain;
}
.hero__cta {
  margin-left: auto;
  padding: 20px 46px;
  font-size: 16px;
}

/* ===================== SECTION HEAD ===================== */
.section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 34px;
  flex-wrap: wrap;
  gap: 16px;
}
.section__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 40px;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 0;
}

/* ===================== CATALOG ===================== */
.catalog__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.product-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.product-card__link {
  display: block;
  color: inherit;
}
.product-card img {
  width: 100%;
  height: 154px;
  object-fit: cover;
}
.product-card h3 {
  font-size: 18px;
  font-weight: 700;
  padding: 16px 16px 12px;
}
.product-card__actions {
  display: flex;
  gap: 10px;
  padding: 0 16px 16px;
  margin-top: auto;
}

/* ===================== ADVANTAGES ===================== */
.advantages {
  position: relative;
  color: #fff;
  overflow: hidden;
}
.advantages__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.advantages__overlay {
  position: absolute;
  inset: 0;
  background: rgba(20, 18, 16, 0.72);
}
.advantages__inner {
  position: relative;
  padding: 110px 20px;
}
.advantages__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 50px;
  text-transform: uppercase;
  line-height: 1.2;
  max-width: 1100px;
}
.advantages__divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.25);
  margin: 44px 0;
}
.advantages__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}
.stat {
  flex: 1 1 220px;
  max-width: 280px;
}
.stat__num {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 30px;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.stat p {
  font-size: 15px;
  line-height: 1.5;
}

/* ===================== CATEGORIES ===================== */
.categories__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.cat-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
}
.cat-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 16px;
}
.cat-card h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
  padding: 0 4px;
  min-height: 44px;
}
.cat-card .btn {
  align-self: flex-start;
  margin-top: auto;
  margin-left: 4px;
}

/* ===================== CERTIFICATES ===================== */
.certificates {
  position: relative;
  color: #fff;
  overflow: hidden;
}
.certificates__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.certificates__inner {
  position: relative;
  padding: 100px 20px;
  display: flex;
  align-items: center;
  gap: 90px;
  flex-wrap: wrap;
}
.cert-slider {
  display: flex;
  align-items: center;
  gap: 24px;
  flex: 0 0 auto;
}
.cert-slider__cards {
  display: flex;
  align-items: center;
}
.cert-card {
  border-radius: 10px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  background: #fff;
  width: 300px;
  height: auto;
  position: relative;
  transition: transform 0.5s ease, opacity 0.5s ease, width 0.5s ease,
    margin 0.5s ease, z-index 0s 0.25s;
}
.cert-card--prev {
  width: 230px;
  opacity: 0.5;
  z-index: 1;
  margin-right: -190px;
  transform: translateY(14px) rotate(-3deg);
}
.cert-card--next {
  width: 230px;
  opacity: 0.5;
  z-index: 1;
  margin-left: -190px;
  transform: translateY(14px) rotate(3deg);
}
.cert-card--main {
  width: 300px;
  z-index: 2;
  opacity: 1;
  transform: translateY(0) rotate(0deg);
  margin-left: 0;
  margin-right: 0;
}
.cert-slider__arrow {
  position: relative;
  z-index: 5;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: transparent;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.cert-slider__arrow:hover {
  background: var(--orange);
  border-color: var(--orange);
}

.certificates__text {
  max-width: 560px;
  flex: 1 1 320px;
}
.certificates__text h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 48px;
  text-transform: uppercase;
  line-height: 1.2;
  margin-bottom: 22px;
}
.certificates__text p {
  font-size: 17px;
  line-height: 1.6;
  margin-bottom: 26px;
  opacity: 0.9;
}

/* ===================== DELIVERY ===================== */
.delivery {
  display: flex;
  justify-content: center;
  padding: 0 20px 60px;
}
.delivery img {
  border-radius: 14px;
  max-width: 1280px;
  width: 100%;
}

/* ===================== ORDER CTA ===================== */
.order-cta {
  position: relative;
  overflow: hidden;
  background: #ffa800;
  color: #fff;
}
.order-cta__pile {
  position: absolute;
  bottom: 0;
  width: 480px;
  max-width: 45%;
  height: 100%;
  object-fit: cover;
  object-position: bottom;
  pointer-events: none;
}
.order-cta__pile--left {
  left: 0;
  object-position: bottom left;
  transform: translateX(-78%);
}
.order-cta__pile--right {
  right: 0;
  object-position: bottom right;
  transform: translateX(78%);
}
.order-cta__inner {
  position: relative;
  z-index: 1;
  padding: 48px 20px;
}
.order-cta__inner h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 30px;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.order-cta__form {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.order-cta__form input {
  flex: 1 1 220px;
  border: none;
  border-radius: 30px;
  padding: 15px 22px;
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  font-size: 15px;
  font-family: inherit;
}
.order-cta__form input::placeholder {
  color: rgba(255, 255, 255, 0.85);
}
.order-cta__form button {
  flex: 0 0 auto;
  background: #fff;
  color: var(--orange);
  font-weight: 700;
  border-radius: 30px;
  padding: 15px 46px;
  font-size: 15px;
}
.order-cta__consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  line-height: 1.6;
  max-width: 760px;
}
.order-cta__consent input {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border-radius: 5px;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  background: transparent;
  position: relative;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.order-cta__consent input:checked {
  background: #fff;
  border-color: #fff;
}
.order-cta__consent input:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid var(--orange);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.order-cta__consent a {
  text-decoration: underline;
}

/* ===================== FAQ ===================== */
.faq__body {
  display: flex;
  gap: 40px;
  align-items: stretch;
  flex-wrap: wrap;
}
.faq__list {
  flex: 1 1 600px;
}
.faq__tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.faq__tab {
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.faq__tab.is-active {
  border-color: var(--orange);
  color: var(--orange);
}

.accordion__item {
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
}
.accordion__head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}
.accordion__head svg {
  flex: 0 0 auto;
  transition: transform 0.2s ease;
  color: var(--text-gray);
}
.accordion__item.is-open .accordion__head svg {
  transform: rotate(180deg);
  color: var(--orange);
}
.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.accordion__item.is-open .accordion__body {
  max-height: 200px;
}
.accordion__body p {
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-gray);
}

.faq__card {
  flex: 0 0 340px;
  background: var(--orange);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  color: #fff;
  min-height: 420px;
}
.faq__card-content {
  position: relative;
  z-index: 1;
  padding: 32px 28px 24px;
}
.faq__card h3 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 28px;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.faq__card p {
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 20px;
}
.faq__card-phone {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 24px;
  margin-bottom: 24px;
  text-decoration: underline;
  text-underline-offset: 6px;
}
.faq__card .btn {
  background: #fff;
  color: var(--orange);
  border-color: #fff;
}
.faq__card-photo {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 22%;
  width: 78%;
  height: 42%;
  object-fit: cover;
  object-position: top center;
  z-index: 0;
  pointer-events: none;
}

/* ===================== SEO BLOCK ===================== */
.seo {
  display: flex;
  gap: 48px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.seo__photo {
  flex: 0 0 380px;
  border-radius: 14px;
  width: 380px;
  height: auto;
}
.seo__text {
  flex: 1 1 420px;
}
.seo__text h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 32px;
  text-transform: uppercase;
  line-height: 1.25;
  margin-bottom: 22px;
}
.seo__paragraph {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 16px;
}
.seo__more {
  display: none;
}
.js-expand.is-expanded .seo__more {
  display: inline;
}
.seo__toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--orange);
  font-weight: 600;
  font-size: 15px;
}
.seo__toggle svg {
  transition: transform 0.2s ease;
}
.js-expand.is-expanded .seo__toggle svg {
  transform: rotate(180deg);
}

/* ===================== FOOTER ===================== */
.footer {
  background: var(--dark);
  color: #fff;
}
.footer__map-wrap {
  position: relative;
}
.footer__map {
  width: 100%;
  height: 420px;
  background: #e5e3df;
}
.footer__map .leaflet-popup-content {
  font-family: var(--font-text);
  font-size: 13px;
}

.footer__map-panel {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 400;
  max-width: 1194px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.footer__map-office {
  background: var(--orange);
  color: #fff;
  padding: 24px 32px;
}
.footer__map-office:first-child {
  border-radius: 16px 0 0 0;
}
.footer__map-office:last-child {
  border-radius: 0 16px 0 0;
  border-left: 1px solid rgba(255, 255, 255, 0.25);
}
.footer__map-office__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 14px;
}
.footer__map-office p {
  font-weight: 700;
  font-size: 15px;
  text-transform: uppercase;
  margin-bottom: 6px;
  line-height: 1.4;
}
.footer__map-office__phone {
  text-transform: none !important;
  font-weight: 600 !important;
}
.footer__map-office__badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 20px;
  padding: 3px 12px;
  font-size: 12px;
  text-transform: none;
  font-weight: 600;
  margin-right: 6px;
}

.map-pin span {
  display: block;
  width: 20px;
  height: 20px;
  border-radius: 50% 50% 50% 0;
  background: var(--orange);
  border: 2px solid #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
  transform: rotate(-45deg);
}

.footer__body {
  padding: 56px 20px 32px;
}
.footer__inner {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 24px 32px;
}
.footer__phone {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
}
.footer__callback {
  justify-self: start;
}
.footer__social {
  justify-self: end;
}

.footer__nav {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 40px;
  margin-top: 16px;
}
.footer__nav-col h4 {
  color: var(--text-gray-light);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer__nav-col a {
  display: block;
  font-size: 15px;
  padding: 6px 0;
  color: #fff;
}
.footer__nav-col a:hover {
  color: var(--orange);
}
.footer__nav-col--brand h4 {
  color: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 26px;
  text-transform: uppercase;
}
.footer__nav-col--brand p {
  color: var(--text-gray-light);
  font-size: 15px;
  line-height: 1.6;
}

.footer__bottom-line {
  grid-column: 1/-1;
  height: 1px;
  background: rgba(255, 255, 255, 0.15);
  margin-top: 8px;
}
.footer__copy {
  grid-column: 1/-1;
  font-size: 13px;
  color: var(--text-gray-light);
  padding-top: 16px;
}

/* ===================== RESPONSIVE (basic degrade) ===================== */
@media (max-width: 1100px) {
  .header__top-inner {
    flex-wrap: wrap;
    row-gap: 12px;
  }
  .header__bottom-inner {
    flex-wrap: wrap;
    row-gap: 12px;
  }
  .main-nav {
    order: 3;
    width: 100%;
    gap: 18px;
    flex-wrap: wrap;
  }
  .catalog__grid,
  .categories__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero__title {
    font-size: 38px;
  }
  .certificates__inner {
    flex-direction: column;
  }
  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer__callback,
  .footer__social {
    justify-self: center;
  }
  .footer__nav {
    grid-template-columns: 1fr;
    text-align: center;
  }
}
@media (max-width: 640px) {
  .catalog__grid,
  .categories__grid {
    grid-template-columns: 1fr;
  }
  .faq__card {
    flex: 1 1 auto;
  }
  .seo {
    flex-direction: column;
  }
  .seo__photo {
    width: 100%;
  }
}