/* #region reset_styles */
/* Reset and base styles  */
* {
	padding: 0px;
	margin: 0px;
	border: none;
}

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

/* Links */

a, a:link, a:visited  {
    text-decoration: none;
}

a:hover  {
    text-decoration: none;
}

/* Common */

aside, nav, footer, header, section, main {
	display: block;
}

h1, h2, h3, h4, h5, h6, p {
    font-size: inherit;
	font-weight: inherit;
}

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

img {
	vertical-align: top;
}

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

address {
  font-style: normal;
}

/* Form */

input, textarea, button, select {
	font-family: inherit;
    font-size: inherit;
    color: inherit;
    background-color: transparent;
}

input::-ms-clear {
	display: none;
}

button, input[type="submit"] {
    display: inline-block;
    box-shadow: none;
    background-color: transparent;
    background: none;
    cursor: pointer;
}

input:focus, input:active,
button:focus, button:active {
    outline: none;
}

button::-moz-focus-inner {
	padding: 0;
	border: 0;
}

label {
	cursor: pointer;
}

legend {
	display: block;
}

input[type='file'] {
	max-width: 100%;
}
/* #endregion reset_styles */

/* #region variables */
:root {
    --color-accent: #4CAF50;
    --color-accent-hover: #388E3C;
    --color-accent-active: #8BC34A;
    --color-text: #FFF;
    --color-text-dark: #757575;
    --color-background: #F5F5F5;
    --color-background-light: #FFFFFF;
    --color-secondary: #795548;
    --color-secondary-light: #F5F5DC;
    --color-footer-background: #333;

    --text-size-header: 3rem;
    --text-size-subheader: 1.5rem;
    --text-size-body: 1rem;
    --text-size-small: 0.875rem;
    --text-size-tiny: 0.75rem;

    @media (max-width: 768px) {
        --text-size-header: 2rem;
        --text-size-subheader: 1rem;
        --text-size-body: 0.875rem;
        --text-size-small: 0.75rem;
        --text-size-tiny: 0.625rem;
    }

    --font-main: "Roboto", sans-serif;
    --font-secondary: "Jost", sans-serif;
}
/* #endregion variables */

/* #region global_styles */
body {
    font-family: var(--font-main);
    font-size: var(--text-size-body);
    color: var(--color-text-dark);
    background-color: var(--color-background);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    height: 200vh;
    overflow-x: hidden;
}

.button {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: var(--text-size-small);
    color: var(--color-text);
    background-color: var(--color-accent);
    border-radius: 20px;
    transition: background-color 0.3s ease;
}
.button:hover {
    background-color: var(--color-accent-hover);
}

.link-button {
    color: var(--color-accent);
    font-family: var(--font-secondary);
    font-size: 1.25rem;
    display: inline-block;
    overflow: hidden;
    position: relative;
    border: var(--color-accent) 2px solid;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    box-shadow: none;
    transition: box-shadow 0.3s ease;
    cursor: pointer;
}
.link-button:hover {
    -webkit-box-shadow:0px 0px 31px 3px rgba(76,175,79,0.31);
    -moz-box-shadow: 0px 0px 31px 3px rgba(76,175,79,0.31);
    box-shadow: 0px 0px 31px 3px rgba(76,175,79,0.31);
}

.char-wrapper {
    display: inline-block;
    overflow: hidden;
    position: relative;
    vertical-align: top;
}

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

.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    background-color: #ffffffaf;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: opacity 0.5s ease;
}
.loading-screen p {
    font-size: 2rem;
    color: var(--color-accent);
}
/* #endregion global_styles */

/* #region header */
header {
    background-color: #ffffffde;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 0.25rem 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    -webkit-box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 5px;
    left: 210px;
    right: 210px;
    z-index: 1000;
    border-radius: 15px;
    -webkit-border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header .header-content {
    display: flex;
    align-items: center;
}

header .header-content .logo {
    max-height: 50px;
    margin-right: 1rem;
}

header .header-content h1 {
    font-size: var(--text-size-subheader);
    font-family: var(--font-secondary);
    color: var(--color-accent);
}

header .contacts {
    display: flex;
    align-items: center;
    gap: 20px;
}

header .contacts #phone {
    color: var(--color-accent);
    font-family: var(--font-secondary);
    font-size: var(--text-size-small);
    transition: transform 0.3s ease;
}
header .contacts #phone:hover {
    text-decoration: underline;
    transform: scale(1.1);
}

@media (max-width: 768px) {
    header {
        left: 10px;
        right: 10px;
    }
    header .header-content h1 {
        display: none;
    }
    header .contacts #phone {
        display: none;
    }
}
/* #endregion header */

/* #region image-section */
.image-section {
    background-image: 
        linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)),
        url('https://countryside.cdn-cian.ru/images/1564617600/85b164fc-a336-42f6-a59b-879c7f8a3b49.jpe');
    width: 100%;
    height: 99vh;
    height: 99dvh;
    border-radius: 0 0 15px 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    -webkit-box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    object-fit: cover;
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-background-size: cover;
    padding-top: 30vh;
    padding-bottom: 15px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.image-section .text-overlay {
    color: var(--color-text);
    text-align: center;
    font-family: var(--font-secondary);
}
.image-section .text-overlay h1 {
    font-size: 5rem;
    margin-bottom: 0.5rem;
    line-height: 1;
}
.image-section .text-overlay h2 {
    font-size: 1.25rem;
    max-width: 70%;
    margin: 0 auto;
    line-height: 1.4;
}

.image-section .arrow-down {
    transform: translateX(-50%);
    color: var(--color-text);
    text-align: center;
    font-family: var(--font-secondary);
}
.image-section .arrow-down:hover {
    cursor: pointer;
}
.image-section .arrow-down h2 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}
.image-section .arrow-down i {
    font-size: 2rem;
    line-height: 0.5;
    animation: bounce 2s infinite;
    -webkit-animation: bounce 2s infinite;
}
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}
@-webkit-keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        -webkit-transform: translateY(0);
    }
    40% {
        -webkit-transform: translateY(-10px);
    }
    60% {
        -webkit-transform: translateY(-5px);
    }
}

@media (max-width: 768px) {
    .image-section .text-overlay h1 {
        font-size: calc(var(--text-size-header) + 1rem);
    }
    .image-section .text-overlay h2 {
        font-size: var(--text-size-subheader);
        max-width: 90%;
    }
}

/* #endregion image-section */

/* #region advantages */
.advantages h1 {
    text-align: center;
    font-size: var(--text-size-header);
    font-family: var(--font-secondary);
    color: var(--color-accent);
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.advantages-slider {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    /* overflow: hidden; */
    -webkit-overflow-scrolling: touch;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 580px;
}
.advantages-track {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 300px;
}
.advantage-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 540px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    background: var(--color-background-light);
    border-radius: 20px;
    box-shadow: 0 14px 26px -10px rgba(34,60,80,0.18);
    will-change: transform, opacity;
    /* opacity: 0; */
    pointer-events: none;
    z-index: 1;
    /* -webkit-transition: opacity 0.5s;
    transition: opacity 0.5s; */
}
.advantage-slide.active {
    /* opacity: 1; */
    pointer-events: auto;
    z-index: 2;
}
.advantage-slide img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 20px 20px 0 0;
    -webkit-border-radius: 20px 20px 0 0;
}
.advantage-content {
    padding: 0.5rem 3rem;
    text-align: center;
}
.advantages-content h2 {
    font-size: var(--text-size-subheader);
    font-family: var(--font-secondary);
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
    word-break: break-word;
    white-space: pre-line;
}

.adv-slider-btn {
    position: absolute;
    top: 50%;
    color: var(--color-accent);
    background-color: var(--color-background-light);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 14px 26px -10px rgba(34,60,80,0.18);
    transition: box-shadow 0.3s ease;
    z-index: 5;
}
.adv-slider-btn.prev { left: -68px; }
.adv-slider-btn.next { right: -68px; }
.adv-slider-btn:hover,
.adv-slider-btn:focus {
    box-shadow: 0 14px 26px -10px rgba(0, 0, 0, 0.377);
    outline: none;
}
.adv-dots {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 1rem;
}
.adv-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-accent-active);
    border: none;
    opacity: 0.5;
    cursor: pointer;
    transition: opacity 0.3s;
}
.adv-dot.active {
    opacity: 1;
    background: var(--color-accent);
}

@media (max-width: 768px) {
    .advantages-slider {
        padding: 0 1rem;
        overflow: hidden;
    }
    .adv-slider-btn {
        display: none;
    }
}

/* #endregion advantages */

/* #region services */
.services {
    padding: 0 20vw;
    margin-top: 8rem;
}

.services h1 {
    text-align: center;
    font-size: var(--text-size-header);
    font-family: var(--font-secondary);
    color: var(--color-accent);
}

.services .category {
    margin-top: 2rem;
    background-color: var(--color-background-light);
    border-radius: 20px;
    -webkit-border-radius: 20px;
    width: 100%;
    box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1);
    -webkit-box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
    -webkit-transition: box-shadow 0.3s ease;
}
.services .category:hover {
    box-shadow: 0px 14px 26px -5px rgba(34, 60, 80, 0.2);
    -webkit-box-shadow: 0px 14px 26px -5px rgba(34, 60, 80, 0.2);
}

.services .category summary {
    font-size: var(--text-size-subheader);
    font-family: var(--font-secondary);
    color: var(--color-text-dark);
    cursor: pointer;
    outline: none;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
}

.services .category details summary i {
    transition: transform 0.3s ease;
    -webkit-transition: -webkit-transform 0.3s ease;
}
.services .category details[open] summary i {
    transform: rotate(-180deg);
    -webkit-transform: rotate(-180deg);
}
.services .category summary .left {
    display: flex;
    align-items: center;
}
.services .category summary .left img {
    width: var(--text-size-subheader);
    height: var(--text-size-subheader);
    margin-right: 1rem;
    opacity: 0.6;
}

.services .service-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.5rem;
    border-top: #75757546 1px solid;
    overflow: hidden;
}

.services .service-card {
    will-change: transform, opacity;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    box-shadow: 0px 14px 14px -8px rgba(34, 60, 80, 0.2);
    -webkit-box-shadow: 0px 14px 14px -8px rgba(34, 60, 80, 0.2);
    border-radius: 10px;
    -webkit-border-radius: 10px;
    width: calc(33.333% - 1rem);
    cursor: pointer;
    transition: box-shadow 0.3s ease;
    -webkit-transition: box-shadow 0.3s ease;
}
.services .service-card:hover {
    box-shadow: 0px 14px 26px -5px rgba(34, 60, 80, 0.2);
    -webkit-box-shadow: 0px 14px 26px -5px rgba(34, 60, 80, 0.2);
}

.services .service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    -o-object-fit: cover;
    border-radius: 10px 10px 0 0;
    -webkit-border-radius: 10px 10px 0 0;
}
.services .service-card .content {
    padding: 1rem;
    border-radius: 0 0 10px 10px;
    -webkit-border-radius: 0 0 10px 10px;
    height: 100%;
}
.services .service-card h2 {
    font-size: var(--text-size-subheader);
    font-family: var(--font-secondary);
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}
.services .service-card ul {
    list-style: circle;
    padding: 0;
    margin: 0;
}
.services .service-card ul li {
    font-size: var(--text-size-small);
    color: var(--color-text-dark);
    margin-bottom: 0.25rem;
}
.services .service-card ul li:last-child {
    margin-bottom: 0;
}
.services .service-card .service-price {
    font-size: var(--text-size-subheader);
    font-family: var(--font-secondary);
    color: var(--color-secondary);
    margin-top: 0.5rem;
    text-align: right;
    width: 100%;
}
.services .service-card .link-button {
    margin-top: 1rem;
    width: 100%;
    text-align: center;
}

@media (max-width: 768px) {
    .services {
        padding: 0 1rem;
    }
    .services .service-cards {
        flex-direction: column;
    }
    .services .service-card {
        width: 100%;
    }
    .services .category summary {
        padding: 1rem;
    }    
}
/* #endregion services */

/* #region contact-dialog */
.contact-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); 
    background-color: var(--color-background-light);
    border-radius: 20px;
    box-shadow: 0px 14px 26px -5px rgba(34, 60, 80, 0.2);
    padding: 2rem;
    z-index: 1001;
    width: 90%;
    max-width: 500px;
    display: none;
    flex-direction: column;
    align-items: center;
}
.contact-dialog-overlay {
    position: fixed;
    display: none;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    transition: backdrop-filter 0.5s ease, -webkit-backdrop-filter 0.3s ease, background-color 0.5s ease;
}

.contact-dialog h2 {
    font-size: calc(var(--text-size-subheader) + 1rem);
    font-family: var(--font-secondary);
    color: var(--color-accent);
}

.contact-dialog h3 {
    font-size: var(--text-size-body);
    font-family: var(--font-secondary);
    color: var(--color-text-dark);
    margin-bottom: 1rem;
    text-align: center;
}

.contact-dialog form {
    width: 100%;
}

.contact-dialog form input,
.contact-dialog form textarea {
    width: 100%;
    min-height: 2.75rem;
    max-height: 8rem;
    padding: 0.5rem;
    margin-bottom: 1rem;
    background-color: #F3F4F6;
    border-radius: 10px;
    font-size: var(--text-size-body);
    resize: vertical;
    transition: box-shadow 0.3s ease;
}
.contact-dialog form textarea {
    min-height: 5rem;
}
.contact-dialog form textarea:focus,
.contact-dialog form input:focus {
    outline: none;
    box-shadow: 0 0 2px 2px var(--color-accent);
}

.contact-dialog form button {
    width: 100%;
}

.contact-dialog .close-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    color: var(--color-text-dark);
    cursor: pointer;
}

.contact-dialog .close-button:hover {
    color: var(--color-secondary);
}

.contact-dialog p {
    text-align: center;
    color: var(--color-text-dark);
    margin: 1rem 0;
    position: relative;
}

.contact-dialog p::before,
.contact-dialog p::after {
    content: "";
    display: inline-block;
    vertical-align: middle;
    width: 30px;
    height: 2px;
    background: var(--color-secondary);
    margin: 0 1rem;
}

.contact-dialog p::before {
    margin-left: 0;
}

.contact-dialog p::after {
    margin-right: 0;
}

.contact-info {
    display: flex;
    align-items: center;
    justify-content: space-around;
    margin-top: 1rem;
    width: 100%;
}

.contact-info a {
    color: var(--color-text-dark);
    font-size: var(--text-size-small);
    text-decoration: none;
    display: flex;
    align-items: center;
    font-size: var(--text-size-subheader);
    padding: 0.5rem;
}
.contact-info a span {
    display: inline-block;
    margin-left: 0.5rem;
    font-size: var(--text-size-body);
    width: 0;
    overflow: hidden;
    opacity: 0;
    white-space: nowrap;
}
.contact-info a:hover {
    max-width: 100%;
}
.contact-info a:hover span {
    display: inline;
}

.contact-info-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    width: 100%;
    margin-top: 1rem;
}

.contact-info-buttons a {
    justify-content: center;
    width: 70%;
    padding: 15px 20px;
    background-color: var(--color-background);
    border-radius: 10px;
    color: #000;
    text-align: center;
    transition: transform 0.3s ease, background-color 0.3s ease;
}
.contact-info-buttons a:hover {
    background-color: var(--color-secondary-light);
    transform: scale(1.05);
}

.sended-alert {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1001;
}

.sended-alert p {
    color: var(--color-text);
    margin: 0;
    font-size: var(--text-size-subheader);
    font-family: var(--font-secondary);
    text-align: center;
}

@media (max-width: 768px) {
    .contact-dialog {
        width: 90%;
        padding: 1rem;
        transform: translate(-50%, 0);
    }
    .contact-dialog h2 {
        font-size: calc(var(--text-size-subheader) + 0.5rem);
    }
    .contact-dialog h3 {
        font-size: var(--text-size-body);
    }
    .contact-dialog form input,
    .contact-dialog form textarea {
        font-size: var(--text-size-small);
    }
    .contact-dialog p::before,
    .contact-dialog p::after {
        display: none;
    }
}
/* #endregion contact-dialog */

/* #region stages */
.stages {
    padding: 0 15vw;
    margin-top: 25vh;
}
.stages h1 {
    text-align: center;
    font-size: var(--text-size-header);
    font-family: var(--font-secondary);
    color: var(--color-accent);
}
.stages .stages-content {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    margin-top: 4rem;
    position: relative;
}
.stages .stages-content .stage-item {
    width: 20vw;
    height: 20vw;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.stages .stages-content .stage-item .stage-img {
    width: 7rem;
    padding: 2rem;
    border-radius: 50%;
    box-shadow: 0px 9px 14px 0px rgba(34, 60, 80, 0.12);
    background-color: var(--color-background-light);
}
.stages .stages-content .stage-item img {
    filter: brightness(0);
}

.stages .stages-content .stage-item h2 {
    font-size: 2rem;
    font-family: var(--font-secondary);;
    color: #000;
    margin-top: 0.5rem;
    text-align: center;
}

.stages .stages-content .stage-item p {
    font-size: var(--text-size-small);
    color: var(--color-text-dark);
    text-align: center;
    margin-top: 0.5rem;
}

@media (max-width: 768px) {
    .stages {
        padding: 0 1rem;
    }
    .stages .stages-content {
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    .stages .stages-content .stage-item {
        width: 80vw;
        margin-bottom: 2rem;
        height: auto;
    }
    .stages .stages-content .stage-item h2 {
        font-size: calc(var(--text-size-header) - 1rem);
    }
}
/* #endregion stages */

/* #region contact */
.contact {
    padding: 0 20vw;
    margin-top: 15vh;
    margin-bottom: 40vh;
}
.contact h1 {
    text-align: center;
    font-size: var(--text-size-header);
    font-family: var(--font-secondary);
    color: var(--color-accent);
}

.contact p {
    text-align: center;
    font-size: var(--text-size-subheader);
    font-family: var(--font-secondary);
    color: var(--color-text-dark);
    margin-bottom: 1rem;
}

.contact a {
    left: 50%;
    transform: translateX(-50%);
    
}
/* #endregion contact */

/* #region footer */
footer {
    background-color: var(--color-footer-background);
    color: var(--color-text);
    padding: 1rem 0;
    padding-top: calc(1rem + 3px);
    text-align: center;
    position: relative;
    bottom: 0;
    width: 100%;
    box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
    border-top: 3px solid var(--color-accent);
}
footer .footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}
footer .footer-content p {
    margin: 0;
    font-size: var(--text-size-small);
}
footer .footer-content .social-links {
    margin-top: 0.5rem;
}
footer .footer-content .social-links a {
    color: var(--color-text);
    margin: 0 0.5rem;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}
footer .footer-content .social-links a:hover {
    color: var(--color-accent);
}
footer .footer-content .social-links a i {
    transition: transform 0.3s ease;
}
footer .footer-content .social-links a:hover i {
    transform: scale(1.1);
}

@media (max-width: 768px) {
    footer .footer-content {
        flex-direction: column;
        align-items: center;
    }
    footer .footer-content p {
        margin-bottom: 0.5rem;
    }
    footer .footer-content .social-links {
        margin-top: 0.5rem;
    }
    
}
/* #endregion footer */