/* ==================== GOOGLE FONTS ==================== */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500&family=Space+Grotesk:wght@500;700&display=swap');

/* ==================== CSS VARIABLES ==================== */
:root {
  --header-height: 3.5rem;

  /* Colors */
  --bg-color: #0D1117;
  --text-color: #C9D1D9;
  --text-color-light: #8B949E;
  --accent-color: #58A6FF;
  --border-color: #30363D;
  --container-color: #161B22;

  /* Fonts */
  --body-font: 'Roboto', sans-serif;
  --title-font: 'Space Grotesk', sans-serif;
  
  --h1-font-size: 2.5rem;
  --h2-font-size: 1.75rem;
  --h3-font-size: 1.25rem;
  --normal-font-size: 1rem;
  --small-font-size: 0.875rem;

  /* Font weight */
  --font-medium: 500;
  --font-bold: 700;

  /* Margins */
  --mb-0-5: .5rem;
  --mb-1: 1rem;
  --mb-1-5: 1.5rem;
  --mb-2: 2rem;

  /* Z-index */
  --z-tooltip: 10;
  --z-fixed: 100;
}

@media screen and (min-width: 968px) {
    :root {
        --h1-font-size: 3.5rem;
        --h2-font-size: 2.25rem;
        --h3-font-size: 1.5rem;
        --normal-font-size: 1.125rem;
        --small-font-size: .938rem;
    }
}


/* ==================== BASE ==================== */
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

h1, h2, h3 {
  color: var(--text-color);
  font-family: var(--title-font);
  font-weight: var(--font-bold);
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: var(--accent-color);
  transition: color .3s;
}

a:hover {
    color: var(--text-color);
}

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

/* ==================== REUSABLE CSS CLASSES ==================== */
.container {
  max-width: 1120px;
  margin-left: var(--mb-1-5);
  margin-right: var(--mb-1-5);
}

/* ==================== HEADER ==================== */
.header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-fixed);
  background-color: rgba(13, 17, 23, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.header__container {
  height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header__logo {
  font-family: var(--title-font);
  font-weight: var(--font-bold);
  font-size: 1.5rem;
  color: var(--text-color);
}

.header__toggle {
  font-size: 1.5rem;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-color);
  display: flex; /* Для вирівнювання іконки */
  align-items: center;
  justify-content: center;
}

@media screen and (max-width: 767px) {
  .nav {
    position: fixed;
    background-color: var(--container-color);
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    padding: 4rem 2rem 0;
    z-index: var(--z-fixed);
    transition: right .4s;
    border-left: 1px solid var(--border-color);
  }
}

.nav__list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.nav__link {
  color: var(--text-color);
  font-family: var(--title-font);
  font-weight: var(--font-medium);
}

/* Show menu */
.show-menu {
  right: 0;
}


/* ==================== FOOTER ==================== */
.footer {
    background-color: var(--container-color);
    border-top: 1px solid var(--border-color);
    padding-top: 4rem;
}

.footer__container {
    display: grid;
    gap: 2.5rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.footer__logo {
    font-size: 1.5rem;
    font-weight: var(--font-bold);
    font-family: var(--title-font);
    color: var(--text-color);
    margin-bottom: var(--mb-1);
    display: inline-block;
}

.footer__description {
    font-size: var(--small-font-size);
    color: var(--text-color-light);
}

.footer__title {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-1);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer__link {
    color: var(--text-color-light);
    transition: color .3s;
}

.footer__link:hover {
    color: var(--accent-color);
}

.footer__list--contacts li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: var(--text-color-light);
}

.footer__icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.footer__bottom {
    margin-top: 4rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: var(--small-font-size);
    color: var(--text-color-light);
}


/* ==================== MEDIA QUERIES ==================== */
/* For medium devices */
@media screen and (min-width: 768px) {
  .header__toggle {
    display: none;
  }
  .nav {
    width: auto;
  }
  .nav__list {
    flex-direction: row;
    gap: 2.5rem;
  }
  .nav__link {
    font-size: var(--normal-font-size);
  }
}

/* For large devices */
@media screen and (min-width: 1024px) {
  .container {
    margin-left: auto;
    margin-right: auto;
  }
}

/* ==================== HERO ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden; /* Щоб canvas не виходив за межі */
}

.hero__canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero__container {
    position: relative;
    z-index: 2;
}

.hero__content {
    max-width: 700px;
    text-align: center;
    margin: 0 auto;
}

.hero__title {
    font-size: var(--h1-font-size);
    margin-bottom: var(--mb-1-5);
    line-height: 1.2;
}

.hero__description {
    font-size: var(--h3-font-size);
    color: var(--text-color-light);
    margin-bottom: var(--mb-2);
    line-height: 1.5;
}

.hero__buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero__button {
    display: inline-block;
    padding: 0.9rem 2.2rem;
    border-radius: 8px;
    font-family: var(--title-font);
    font-weight: var(--font-medium);
    font-size: var(--normal-font-size);
    transition: all .3s ease;
    border: 2px solid transparent;
}

.hero__button--primary {
    background-color: var(--accent-color);
    color: var(--bg-color);
}

.hero__button--primary:hover {
    background-color: transparent;
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.hero__button--secondary {
    background-color: transparent;
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.hero__button--secondary:hover {
    background-color: var(--border-color);
    color: var(--text-color);
}


/* Hero Media Queries */
@media screen and (max-width: 576px) {
    .hero__title {
        font-size: calc(var(--h1-font-size) * 0.8);
    }
    .hero__description {
        font-size: calc(var(--h3-font-size) * 0.9);
    }
    .hero__buttons {
        flex-direction: column;
        width: 100%;
    }
    .hero__button {
        width: 100%;
        text-align: center;
    }
}

/* ==================== REUSABLE SECTION STYLES ==================== */
.section {
    padding: 5rem 0 3rem;
}

.section__header {
    text-align: center;
    margin-bottom: 3rem;
}

.section__subtitle {
    display: block;
    color: var(--accent-color);
    font-family: var(--title-font);
    font-weight: var(--font-medium);
    margin-bottom: var(--mb-0-5);
}

.section__title {
    font-size: var(--h2-font-size);
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== TECHNOLOGIES ==================== */
.tech__grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.tech__card {
    background-color: var(--container-color);
    border: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    border-radius: 12px;
    transition: transform .3s, border-color .3s;
}

.tech__card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-color);
}

.tech__icon {
    width: 48px;
    height: 48px;
    color: var(--accent-color);
    margin-bottom: var(--mb-1-5);
}

.tech__card-title {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-0-5);
}

.tech__card-description {
    color: var(--text-color-light);
    font-size: var(--normal-font-size);
}

.tech__summary {
    text-align: center;
    margin-top: 3rem;
    color: var(--text-color-light);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Tech Media Queries */
@media screen and (min-width: 768px) {
    .section {
        padding: 7rem 0 5rem;
    }
}

/* ==================== CASES ==================== */
.cases__container {
    display: grid;
    gap: 4rem;
}

.cases__item {
    display: grid;
    gap: 2rem;
    align-items: center;
}

.cases__image {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.cases__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s;
}

.cases__item:hover .cases__image img {
    transform: scale(1.05);
}

.cases__tag {
    display: inline-block;
    background-color: var(--container-color);
    color: var(--accent-color);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    font-size: var(--small-font-size);
    font-weight: var(--font-medium);
    margin-bottom: var(--mb-1);
}

.cases__title {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-1);
}

.cases__description {
    color: var(--text-color-light);
    margin-bottom: var(--mb-1-5);
}

.cases__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: var(--font-medium);
    font-family: var(--title-font);
    color: var(--accent-color);
}

.cases__link-icon {
    width: 20px;
    height: 20px;
    transition: transform .3s;
}

.cases__link:hover .cases__link-icon {
    transform: translateX(4px);
}

/* Cases Media Queries */
@media screen and (min-width: 768px) {
    .cases__item {
        grid-template-columns: 1fr 1fr;
    }
    
    /* Zig-zag layout */
    .cases__item:nth-child(even) .cases__image {
        order: 2;
    }
}

/* ==================== PROCESS ==================== */
.process {
    background-color: var(--container-color);
}

.process__container {
    display: grid;
    gap: 2rem;
}

.process__step {
    display: flex;
    gap: 1.5rem;
}

.process__timeline {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.process__icon-wrapper {
    width: 60px;
    height: 60px;
    background-color: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: border-color .3s;
}

.process__icon {
    width: 28px;
    height: 28px;
    color: var(--accent-color);
}

.process__line {
    width: 2px;
    height: 100%;
    background-color: var(--border-color);
}

.process__step:last-child .process__line {
    display: none;
}

.process__content {
    padding-bottom: 2rem;
}

.process__step-number {
    color: var(--text-color-light);
    font-size: var(--small-font-size);
    font-weight: var(--font-medium);
}

.process__step-title {
    font-size: var(--h3-font-size);
    margin: var(--mb-0-5) 0;
}

.process__step-description {
    color: var(--text-color-light);
}

.process__step:hover .process__icon-wrapper {
    border-color: var(--accent-color);
}

/* Process Media Queries */
@media screen and (min-width: 768px) {
    .process__container {
        grid-template-columns: 1fr 1fr;
        gap: 3rem 2rem;
    }
    .process__step:nth-child(even) {
        margin-top: 4rem;
    }
}

@media screen and (max-width: 767px) {
    .process__content {
        /* Correction for better alignment on mobile */
        transform: translateY(-1rem);
    }
}

/* ==================== CONTACT ==================== */
.contact {
    background-color: var(--container-color);
}

.contact__container {
    display: grid;
    gap: 3rem;
}

@media screen and (min-width: 992px) {
    .contact__container {
        grid-template-columns: 1fr 1.2fr;
        gap: 5rem;
    }
}

.contact__info-title {
    font-size: var(--h2-font-size);
    margin-bottom: var(--mb-1);
}

.contact__info-description {
    color: var(--text-color-light);
    margin-bottom: var(--mb-2);
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact__detail-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact__detail-icon {
    width: 40px;
    height: 40px;
    color: var(--accent-color);
}

.contact__detail-item h4 {
    font-size: var(--normal-font-size);
    margin-bottom: 0.25rem;
}

.contact__detail-item span {
    color: var(--text-color-light);
}

/* Form Styles */
.contact__form-wrapper {
    background-color: var(--bg-color);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.contact__form {
    display: grid;
    gap: 1.5rem;
}

.contact__form-group {
    display: flex;
    flex-direction: column;
}

.contact__form-label {
    margin-bottom: 0.5rem;
    color: var(--text-color-light);
    font-size: var(--small-font-size);
}

.contact__form-input {
    width: 100%;
    padding: 0.9rem 1rem;
    background-color: var(--container-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-size: var(--normal-font-size);
    transition: border-color .3s, box-shadow .3s;
}

.contact__form-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.2);
}

.contact__form-group--captcha {
    flex-direction: row;
    align-items: center;
    gap: 1rem;
}

.contact__captcha-question {
    font-weight: var(--font-bold);
}

.contact__form-group--captcha input {
    width: 80px;
}

.contact__form-group--checkbox {
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
}

.contact__form-group--checkbox input {
    width: 18px;
    height: 18px;
}

.contact__form-group--checkbox label {
    margin: 0;
    font-size: var(--small-font-size);
    color: var(--text-color-light);
}
.contact__form-group--checkbox a {
    text-decoration: underline;
}

.contact__form-button {
    background-color: var(--accent-color);
    color: var(--bg-color);
    padding: 1rem;
    border: none;
    border-radius: 8px;
    font-size: var(--normal-font-size);
    font-weight: var(--font-bold);
    font-family: var(--title-font);
    cursor: pointer;
    transition: background-color .3s;
}

.contact__form-button:hover {
    background-color: #79b8ff;
}

.contact__success-message {
    text-align: center;
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
}
.contact__success-message i {
    width: 60px;
    height: 60px;
    color: var(--accent-color);
    margin-bottom: var(--mb-1);
}
.contact__success-message h3 {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-0-5);
}
.contact__success-message p {
    color: var(--text-color-light);
}

/* ==================== COOKIE POPUP ==================== */
.cookie-popup {
    position: fixed;
    bottom: -100%; /* Start hidden */
    left: 0;
    width: 100%;
    background-color: var(--container-color);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem;
    z-index: var(--z-fixed);
    transition: bottom .5s ease-in-out;
}

.cookie-popup--show {
    bottom: 0;
}

.cookie-popup__content {
    max-width: 1120px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.cookie-popup__text {
    color: var(--text-color-light);
}

.cookie-popup__text a {
    text-decoration: underline;
}

.cookie-popup__button {
    background-color: var(--accent-color);
    color: var(--bg-color);
    padding: 0.6rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: var(--font-medium);
    transition: background-color .3s;
}

.cookie-popup__button:hover {
    background-color: #79b8ff;
}


/* ==================== POLICY PAGES STYLES ==================== */
.pages {
    padding: calc(var(--header-height) + 3rem) 0 5rem;
}

.pages .container {
    max-width: 800px;
}

.pages h1 {
    font-size: var(--h1-font-size);
    margin-bottom: var(--mb-2);
}

.pages h2 {
    font-size: var(--h2-font-size);
    margin-top: 2.5rem;
    margin-bottom: var(--mb-1);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.pages p {
    color: var(--text-color-light);
    line-height: 1.8;
    margin-bottom: var(--mb-1-5);
}

.pages ul {
    list-style-type: disc;
    padding-left: 2rem;
    margin-bottom: var(--mb-1-5);
}

.pages li {
    color: var(--text-color-light);
    margin-bottom: var(--mb-1);
    line-height: 1.8;
}

.pages a {
    text-decoration: underline;
}

.pages strong {
    color: var(--text-color);
    font-weight: var(--font-medium);
}

/* ==================== BLOG ==================== */
.blog__grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.blog__card {
    background-color: var(--container-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: transform .3s, box-shadow .3s;
}

.blog__card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.blog__image-link {
    display: block;
    overflow: hidden;
}

.blog__image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform .4s ease-out;
}

.blog__card:hover .blog__image {
    transform: scale(1.05);
}

.blog__content {
    padding: 1.5rem;
}

.blog__category {
    color: var(--accent-color);
    font-size: var(--small-font-size);
    font-weight: var(--font-medium);
    margin-bottom: var(--mb-0-5);
    display: inline-block;
}

.blog__title {
    font-size: 1.35rem; /* Slightly smaller than h3 for better fit */
    margin-bottom: var(--mb-1);
}

.blog__title a {
    color: var(--text-color);
    transition: color .3s;
}

.blog__title a:hover {
    color: var(--accent-color);
}

.blog__meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--small-font-size);
    color: var(--text-color-light);
}