*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body,
div,
span,
h1,
h2,
h3,
h4,
h5,
h6,
p,
a,
img,
ol,
ul,
li,
fieldset,
form,
label,
footer,
header,
nav,
section {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

footer,
header,
nav,
section {
  display: calc-block;
}

ol,
ul,
li {
  list-style: none;
}

a {
  text-decoration: none
}

:root {
  --font: "Helvetica", sans-serif;

  --black: #000;
  --dark: #101010;
  --secondary: #6D6761;

  --white: #FFF;
  --light: #F0EAE3;
  --primary: #c2a582;
}

body {
  overflow-x: hidden;
  font-family: var(--font);
  line-height: 1;
  font-size: 24px;
  font-weight: 300;
  /* cursor: url(../img/icons/cursor.svg) 12 12, auto; */
}

.container {
  width: 100%;
  max-width: 1500px;
  height: 100%;
  padding: 0 15px;
  margin: 0 auto;
  position: relative;
}

.tac {
  text-align: center;
}

.tre {
  transition: all .3s ease;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .3s ease;
  outline: none;
  background: var(--primary);
  color: var(--black);
  font-family: var(--font);
  font-size: 24px;
  padding: 20px 40px;
  text-transform: uppercase;
  text-align: center;
}

.btn:hover {
  color: var(--secondary);
  transform: rotateY(10deg);
}

.section {
  padding: 80px 0;
}

@media(max-width:900px) {
  body {
    font-size: 20px;
  }

  .btn {
    font-size: 20px;
  }
}

/* hero */
.hero {
  width: 100%;
  padding: 120px 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, .75) 0%, rgba(0, 0, 0, 0.5) 100%), url(../img/hero/bg.webp) no-repeat center/cover;
}

.hero__wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 50px;
}

.hero__title {
  font-size: calc(16px + 4vw);
  color: var(--primary);
  text-transform: uppercase;
  line-height: 1.2;
}

.hero__subtitle {
  color: var(--light);
  max-width: 800px;
  line-height: 1.5;
}

/* offer */
.offer {
  background: var(--black);
}

.offer__wrap {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 50px;
  align-items: start;
  position: relative;
}

.offer__title {
  color: var(--light);
  font-size: calc(16px + 2.5vw);
  text-transform: uppercase;
  position: sticky;
  top: 70px;
}

.offer__title span {
  color: var(--primary);
}

.offer__item {
  color: var(--light);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.offer__item-title {
  color: var(--primary);
  font-size: 30px;
}

.offer__item-description {
  line-height: 1.5;
}

@media(max-width:900px) {
  .offer__wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .offer__title {
    position: static;
    line-height: 1.3;
  }
}

/* features */
.features__item {
  border-top: 1px solid var(--primary);
}

.features__item:first-of-type {
  background: linear-gradient(180deg, rgba(0, 0, 0, .5) 0%, rgba(0, 0, 0, .5) 100%), url(../img/features/1.webp) no-repeat center/cover;
  padding: 100px 0;
}

.features__item:nth-of-type(2) {
  background: linear-gradient(180deg, rgba(0, 0, 0, .6) 0%, rgba(0, 0, 0, .6) 100%), url(../img/features/2.webp) no-repeat center/cover;
  padding: 100px 0 100px;
}

.features__item:nth-of-type(3) {
  background: linear-gradient(180deg, rgba(0, 0, 0, .6) 0%, rgba(0, 0, 0, .6) 100%), url(../img/features/3.webp) no-repeat center/cover;
  padding: 100px 0;
}

.features__item:last-of-type {
  background: linear-gradient(180deg, rgba(0, 0, 0, .6) 0%, rgba(0, 0, 0, .6) 100%), url(../img/features/4.webp) no-repeat center/cover;
  padding: 200px 0;
}

.features__item-wrap {
  display: flex;
  flex-direction: column;
  align-items: start;
  justify-content: center;
  max-width: 700px;
  margin: 0 0 0 auto;
  color: var(--light);
  gap: 20px;
}

.features__item:nth-of-type(3) .features__item-wrap,
.features__item:last-of-type .features__item-wrap {
  margin: 0 auto 0 0;
}

.features__title {
  font-size: 30px;
  color: var(--primary);
}

.features__description {
  line-height: 1.5;
}

.features__description strong {
  color: var(--primary);
  font-weight: 900;
}

@media(max-width:900px) {
  .features__item {
    padding: 150px 0 !important;
  }
}

/* tariffs */
.tariffs {
  background: var(--black);
}

.tariffs__title {
  font-size: calc(16px + 2vw);
  color: var(--primary);
}

.tariffs__wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 50px;
}

.tariffs__item {
  padding: 24px 30px;
  border: 1px solid var(--primary);
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: all .3s ease;
}

.tariffs__item:nth-child(2) {
  box-shadow: 0 0px 30px 0 var(--primary);
}

.tariffs__item-title {
  font-size: 30px;
  color: var(--primary);
  text-transform: uppercase;
}

.tariffs__item-price {
  font-size: 30px;
  color: var(--light);
  font-weight: 400;
}

.tariffs__item-price sup {
  color: var(--secondary);
  text-decoration: line-through;
  font-size: 20px;
}

.tariffs__item-advatnages {
  color: var(--light);
  font-size: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  line-height: 1.3;
  margin-bottom: 30px;
}

.tariffs__item-advatnages li {
  padding-left: 20px;
  position: relative;
}

.tariffs__item-advatnages li::before {
  content: '';
  display: calc-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  position: absolute;
  left: 0;
  top: 12px;
}

.tariffs__item-btn {
  margin-top: auto;
  font-size: 20px;
}

@media(max-width:1000px) {
  .tariffs__wrap {
    grid-template-columns: 1fr;
  }

  .tariffs__item-advatnages li {
    font-size: 20px;
  }
}

/* safety */
.safety {
  background: var(--black);
}

.safety__wrap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px;
}

.safety__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.safety__title {
  text-transform: uppercase;
  color: var(--primary);
  font-size: 30px;
}

.safety__subtitle {
  line-height: 1.5;
  color: var(--light);
  max-width: 900px;
  margin: 20px auto 0;
}

@media(max-width:900px) {
  .safety__wrap {
    grid-template-columns: 1fr;
  }
}

/* control */
.control {
  background: var(--dark);
}

.control__title {
  font-size: calc(16px + 3vw);
  text-transform: uppercase;
  color: var(--light);
  margin-bottom: 50px;
}

.control__title span {
  color: var(--primary);
}

.control__tabs-header {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.control__header-item {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}

.control__header-item:hover {
  color: var(--light);
  transform: none;
}

.control__header-item.active {
  background: var(--primary);
  color: var(--dark);
}

.control__tab {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 40px;
}

.control__img {
  width: 100%;
  object-fit: contain;
}

.control__tab-title {
  font-size: 30px;
  color: var(--primary);
  margin-bottom: 20px;
}

.control__tab-description {
  color: var(--light);
  line-height: 1.5;
  margin-top: 20px;
}

@media(max-width:900px) {
  .control__tabs-header {
    grid-template-columns: 1fr;
  }

  .control__header-item {
    font-size: 18px;
  }

  .control__tab {
    grid-template-columns: 1fr;
    padding: 20px 0;
  }
}

/* calc */
.calc {
  background: var(--dark);
  padding-bottom: 50px;
}

.calc__title {
  font-size: calc(16px + 2vw);
  color: var(--primary);
  margin-bottom: 50px;
}

.calc__wrap {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 80px;
}

.calc__wrap-panel {
  display: flex;
  flex-direction: column;
}

.calc__wrap-panel.left-panel {
  gap: 40px;
}

.calc__wrap-panel.right-panel {
  justify-content: space-between;
}

.calc__item-title {
  color: var(--light);
  font-size: 24px;
  margin-bottom: 20px;
}

.calc__toggle-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.calc__radio-label {
  padding: 20px;
  font-size: 18px;
  border: 4px solid transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  background: transparent;
  cursor: pointer;
}

.calc__radio-label.active {
  background: var(--primary);
  color: var(--black);
}

.calc__item-radio {
  appearance: none;
  background: var(--black);
  width: 0;
  height: 0;
  padding: 0;
  margin: 0;
}

.calc-block__caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.calc-block__caption h3,
.calc-block__caption p {
  margin: 0;
}

.calc__range-count {
  margin-top: 20px;
  color: var(--primary);
}

.calc__slider-wrapper {
  margin-top: 10px;
}

.calc__slider-wrapper input[type="range"] {
  width: 100%;
  height: 6px;
  appearance: none;
  background: var(--light);
  outline: none;
  accent-color: var(--primary);
  cursor: pointer;
}

.calc__counters {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.calc__counter {
  display: grid;
  grid-template-columns: min-content 1fr min-content;
  gap: 10px;
}

.calc__counter button {
  width: 50px;
  height: 50px;
  cursor: pointer;
  padding: 0;
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}

.calc__counter button:hover {
  background: var(--primary);
}

.calc__counter input {
  width: 100%;
  text-align: center;
  border: 1px solid transparent;
  padding: 5px;
  pointer-events: none;
  font-family: var(--font);
  font-size: 24px;
  background: var(--dark);
  border: 1px solid var(--primary);
  color: var(--primary);
}

.calc__options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}

.options__label-calc {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid var(--primary);
  color: var(--primary);
  padding: 10px 20px;
  font-size: 18px;
}

.options__label-calc.active {
  background: var(--primary);
  color: var(--dark);
}

.options__input-calc {
  appearance: none;
  opacity: 0;
  width: 0;
  height: 0;
  padding: 0;
  margin: 0;
}

.calc__systems-table table {
  width: 100%;
  border-collapse: collapse;
}

.calc__systems-table td {
  padding: 8px 0;
  border-bottom: 1px solid var(--primary);
  color: var(--light);
  font-size: 18px;
}

.total-calc-block {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: end;
}

.total-price {
  font-size: calc(16px + 3vw);
  color: var(--primary);
  margin-bottom: 20px;
}

.total-calc__title {
  color: var(--secondary);
}

@media(max-width:900px) {
  .calc__wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .total-calc-block {
    align-items: center;
    padding-top: 30px;
  }
}

@media(max-width:500px) {
  .calc__counters {
    grid-template-columns: 1fr;
  }
}

/* setup */
.setup {
  background: var(--black);
  color: var(--light);
}

.setup__title {
  text-transform: uppercase;
  font-size: calc(16px + 3vw);
  margin-bottom: 30px;
}

.setup__title span {
  color: var(--primary);
}

.setup__subtitle {
  max-width: 900px;
  line-height: 1.5;
  margin: 0 auto 30px;
  color: var(--primary);
}

.setup__stages-title {
  font-size: 30px;
  margin-bottom: 40px;
  color: var(--primary);
  /* text-transform: uppercase; */
  border-top: 1px solid var(--light);
  padding-top: 30px;
}

.setup__stages-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.setup__stage-count {
  font-size: 30px;
  margin-bottom: 10px;
  color: var(--primary);
  display: calc-block;
}

.setup__stage-description {
  line-height: 1.5;
}

@media(max-width:900px) {
  .setup__stages-wrap {
    grid-template-columns: 1fr;
  }
}

/* health */
.health {
  background: var(--dark);
}

.health__wrap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px;
}

.health__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.health__title {
  font-size: calc(16px + 3vw);
  text-transform: uppercase;
  color: var(--light);
  line-height: 1.1;
}

.health__title span {
  color: var(--primary);
}

.health__description {
  line-height: 1.5;
  margin-top: 20px;
  color: var(--light);
}

@media(max-width:900px) {
  .health__wrap {
    grid-template-columns: 1fr;
  }
}

/* portfolio */
.portfolio {
  background: var(--dark);
}

.portfolio__title {
  font-size: calc(16px + 3vw);
  text-transform: uppercase;
  color: var(--light);
  margin-bottom: 50px;
}

.portfolio__title span {
  color: var(--primary);
}

.portfolio__wrap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px;
}

.portfolio__item {
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: 20px;
}

.portfolio__item-preview {
  width: 100%;
  height: 400px;
  overflow: hidden;
  border: 1px solid var(--primary);
}

.portfolio__item-preview img {
  width: 100%;
  object-fit: cover;
  height: 100%;
  transition: all 1s ease;
  filter: grayscale(.75);
}

.portfolio__item:hover .portfolio__item-preview img {
  transform: scale(1.1);
}

.portfolio__item-title {
  font-size: 30px;
  color: var(--primary);
}

.portfolio__item-description {
  color: var(--light);
  line-height: 1.5;
}

@media(max-width:900px) {
  .portfolio__wrap {
    grid-template-columns: 1fr;
  }
}

/* tech */
.tech {
  background: var(--black);
}

.tech__title {
  font-size: calc(16px + 3vw);
  text-transform: uppercase;
  color: var(--light);
  margin-bottom: 50px;
}

.tech__title span {
  color: var(--primary);
}

.tech__wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 50px;
}

.tech__item {
  padding-left: 30px;
  border-left: 1px solid var(--primary);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tech__item-title {
  font-size: 30px;
  color: var(--primary);
}

.tech__item-list {
  color: var(--light);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tech__item-list li {
  line-height: 1.3;
  padding-left: 20px;
  position: relative;
}

.tech__item-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: calc-block;
  background: var(--primary);
  position: absolute;
  top: 12px;
  left: 0;
}

.tech__item-description {
  color: var(--light);
  line-height: 1.5;
}

.tech__subtitle {
  font-size: 30px;
  color: var(--primary);
  margin-bottom: 40px;
}

.tech__features {
  padding: 40px;
  border: 1px solid var(--primary);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  margin-bottom: 20px;
}

.tech__features-item {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tech__features-count {
  color: var(--primary);
  font-size: 30px;
}

.tech__features-title {
  color: var(--primary);
  line-height: 1.3;
}

.tech__features-description {
  color: var(--light);
  line-height: 1.5;
  font-size: 18px;
}

@media(max-width:900px) {
  .tech__wrap {
    grid-template-columns: 1fr;
  }

  .tech__item {
    padding-left: 20px;
  }

  .tech__features {
    grid-template-columns: 1fr;
    padding: 20px;
  }
}

/* advantages */
.advantages {
  background: var(--black);
  padding-bottom: 80px;
}

.advantages__title {
  font-size: calc(16px + 2vw);
  color: var(--light);
  text-transform: uppercase;
  margin-bottom: 50px;
}

.advantages__title span {
  color: var(--primary);
}

.advantages__wrap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.advantages__item {
  display: grid;
  grid-template-columns: min-content 1fr;
  gap: 30px;
}

.advantages__item-title {
  color: var(--primary);
  font-size: 30px;
  margin-bottom: 20px;
}

.advantages__item-description {
  line-height: 1.5;
  color: var(--light);
}

@media(max-width:900px) {
  .advantages__wrap {
    grid-template-columns: 1fr;
  }

  .advantages__item {
    gap: 20px;
    grid-template-columns: 1fr;
  }

  .advantages__item-icon {
    height: 30px;
  }
}

/* order */
.order {
  background: var(--dark);
}

.order__title {
  font-size: calc(16px + 3vw);
  text-transform: uppercase;
  color: var(--light);
  margin-bottom: 30px;
}

.order__title span {
  color: var(--primary);
}

.order__subtitle {
  max-width: 900px;
  line-height: 1.5;
  color: var(--light);
  margin: 0 auto 50px;
  font-size: 20px;
}

.fieldset {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 0 auto;
  max-width: 900px;
}

.form__label {
  width: 100%;
  padding: 10px 0 20px 0;
}

.form__input {
  width: 100%;
  height: 100%;
  font-family: var(--font);
  font-size: 24px;
  color: var(--light);
  background: transparent;
  outline: none;
  border: none;
  border-bottom: 1px solid var(--primary);
  padding: 10px 20px 10px 0;
  border-radius: 0px;
}

.form__input::placeholder {
  color: var(--secondary);
}

.form__btn {
  font-family: var(--font);
  font-weight: 300;
}

.form__privacy {
  max-width: 700px;
  color: var(--secondary);
  margin: 20px auto 0;
  font-size: 16px;
  line-height: 1.5;
}

.spotlight {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background:
    radial-gradient(300px at 0px 0px,
      rgba(255, 255, 255, 0.05),
      transparent 50%);
  z-index: 1;
}

@media(max-width:900px) {
  .order__subtitle {
    font-size: 20px;
  }
}

/* popup */
.popup {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, .5);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 15px;
  opacity: 0;
  z-index: 111;
}

.popup__body {
  padding: 40px 30px;
  background: var(--dark);
  position: relative;
}

.popup__close {
  position: absolute;
  right: 20px;
  top: 20px;
  height: 20px;
  width: 20px;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
  border: none;
  background: var(--dark);
}

.popup__close img {
  height: 14px;
}

.popup__title {
  font-size: 30px;
  color: var(--primary);
  margin-bottom: 30px;
}

@media(max-width:900px) {
  .popup__body {
    padding: 20px;
  }

  .popup__close {
    right: -10px;
    top: -10px;
  }
}

/* footer */
.footer {
  background: var(--black);
}

.footer__wrap {
  display: flex;
  justify-content: space-between;
  align-items: start;
}

.footer__logo {
  width: 100%;
  height: 50px;
  object-fit: contain;
  display: block;
  margin-bottom: 50px;
}

.footer__contacts-title {
  color: var(--secondary);
  margin-bottom: 10px;
  font-size: 24px;
  font-weight: 300;
}

.footer__contacts-link {
  display: block;
  color: var(--light);
  margin-bottom: 30px;
}

.footer__contacts-link:hover {
  color: var(--primary);
}

.footer__socials {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer__socials-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  border: 2px solid var(--primary);
}

.footer__socials-link img {
  height: 50px;
}

.footer__socials-link:hover {
  border-color: var(--light);
}

.current__date {
  text-align: right;
}

@media(max-width:900px) {
  .footer__wrap {
    flex-direction: column;
    gap: 10px;
    align-items: start;
  }

  .current__date {
    margin-top: 40px;
    text-align: left;
  }
}