/* Базові налаштування та змінні */
:root {
  --color-bg: #0a0a0c;
  --color-surface: #141417;
  --color-border: #2d2d32;
  --color-accent: #00ff88;
  --color-text: #e1e1e6;
  --color-text-dim: #94949e;
  --font-main: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --gap: 20px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  /* Технічна сітка на фоні */
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 40px 40px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Логотип */
.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header__logo-img {
  width: 32px;
  height: 32px;
}

.header__logo-text {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -1px;
  text-transform: uppercase;
}

/* Хедер */
.header {
  background: rgba(10, 10, 12, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

.header__container {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 32px;
}

.header__menu-link {
  color: var(--color-text-dim);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  transition: color 0.3s ease;
}

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

.header__btn {
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  padding: 8px 20px;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  transition: all 0.3s ease;
}

.header__btn:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  box-shadow: 0 0 15px var(--color-accent);
}

/* Футер */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 80px 0 40px;
  margin-top: 100px;
}

.footer__container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer__title {
  font-family: var(--font-mono);
  color: var(--color-accent);
  margin-bottom: 24px;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.footer__list {
  list-style: none;
}

.footer__list li {
  margin-bottom: 12px;
}

.footer__list a {
  color: var(--color-text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

.footer__list--contacts span {
  display: block;
  font-size: 0.75rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
}

.footer__tagline {
  color: var(--color-text-dim);
  margin-top: 20px;
  max-width: 250px;
}

.footer__bottom {
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-dim);
}

/* Бургер */
.header__burger {
  display: none;
  background: none;
  border: none;
  width: 30px;
  height: 20px;
  position: relative;
  cursor: pointer;
}

.header__burger span,
.header__burger::before,
.header__burger::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  left: 0;
}

.header__burger::before {
  top: 0;
}
.header__burger span {
  top: 9px;
}
.header__burger::after {
  bottom: 0;
}

@media (max-width: 992px) {
  .footer__container {
    grid-template-columns: 1fr 1fr;
  }
  .header__menu {
    display: none;
  }
  .header__burger {
    display: block;
  }
}

@media (max-width: 576px) {
  .footer__container {
    grid-template-columns: 1fr;
  }
}

/* Hero Section - Bento Grid */
.hero {
  padding-top: 120px;
  padding-bottom: 60px;
}

.hero__bento {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  grid-template-rows: auto 150px;
  gap: var(--gap);
}

.hero__main-card,
.hero__viz-card,
.hero__info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.hero__main-card {
  grid-row: span 1;
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.1;
  font-weight: 700;
  margin: 20px 0;
  letter-spacing: -2px;
}

.text-gradient {
  color: var(--color-accent);
  text-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.hero__subtitle {
  color: var(--color-text-dim);
  max-width: 500px;
  margin-bottom: 30px;
  font-size: 1.1rem;
}

/* Візуалізація та Canvas */
.hero__viz-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px;
  background: #000;
}

#heroCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.4;
}

/* Кнопки */
.hero__actions {
  display: flex;
  gap: 15px;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 15px 30px;
  text-decoration: none;
  font-family: var(--font-mono);
  font-weight: bold;
  transition: transform 0.2s ease;
}

.btn-secondary {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 15px 30px;
  text-decoration: none;
  font-family: var(--font-mono);
  transition: background 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-3px);
}
.btn-secondary:hover {
  background: var(--color-border);
}

/* Bento Info */
.hero__info-card {
  grid-column: span 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
}

.tech-badge {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.tech-cross {
  position: absolute;
  bottom: 10px;
  right: 10px;
  color: var(--color-border);
  font-family: var(--font-mono);
}

@media (max-width: 992px) {
  .hero__bento {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .hero__info-card {
    grid-column: span 1;
  }
}

/* Загальні елементи секцій */
.section-header {
  margin-bottom: 40px;
}

.tech-label {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 0.9rem;
}

.section-title {
  font-size: 3rem;
  font-weight: 700;
  margin-top: 10px;
  letter-spacing: -1px;
}

/* Solutions Grid */
.solutions {
  padding: 100px 0;
}
.solutions__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

.solutions__card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 30px;
  transition: all 0.3s ease;
}

.solutions__card--main {
  grid-column: span 2;
  border-left: 4px solid var(--color-accent);
}

.solutions__card:hover {
  border-color: var(--color-accent);
  transform: translateY(-5px);
}

.card-icon {
  color: var(--color-accent);
  margin-bottom: 20px;
  width: 32px;
  height: 32px;
}

.card-list {
  list-style: none;
  margin-top: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.card-list li {
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-dim);
}

/* AI Lab Bento */
.ai-lab {
  padding: 100px 0;
  background: rgba(20, 20, 23, 0.5);
}
.ai-lab__bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 200px);
  gap: var(--gap);
}

.ai-lab__info {
  grid-column: span 2;
  grid-row: span 1;
}

.ai-lab__item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 24px;
  position: relative;
}

.lab-item--1 {
  grid-column: span 1;
}
.lab-item--2 {
  grid-column: span 1;
}
.ai-lab__cta {
  grid-column: span 2;
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.ai-lab__cta p {
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 15px;
}

.lab-status {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-top: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pulse {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.95);
    opacity: 0.7;
  }
  70% {
    transform: scale(1.1);
    opacity: 1;
  }
  100% {
    transform: scale(0.95);
    opacity: 0.7;
  }
}

@media (max-width: 992px) {
  .solutions__grid,
  .ai-lab__bento {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .solutions__card--main,
  .ai-lab__info,
  .ai-lab__cta {
    grid-column: span 1;
  }
}

/* Blog Section */
.blog {
  padding: 100px 0;
}
.blog__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

.blog__post {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.blog__post--featured {
  grid-column: span 2;
  flex-direction: row;
  padding: 0;
}

.blog__post-content {
  padding: 40px;
  flex: 1;
}

.blog__post-img {
  flex: 1;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog__post-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.blog__date {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 0.8rem;
  display: block;
  margin-bottom: 15px;
}

.blog__post h3 {
  font-size: 2rem;
  margin-bottom: 15px;
  line-height: 1.2;
}
.blog__post h4 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.blog__link {
  margin-top: 20px;
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Process Section */
.process {
  padding: 100px 0;
  border-top: 1px solid var(--color-border);
}
.process__wrapper {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--gap);
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border); /* Создает линии между блоками */
  border: 1px solid var(--color-border);
}

.step-card {
  background: var(--color-bg);
  padding: 30px;
}

.step-num {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 0.8rem;
  margin-bottom: 20px;
  border: 1px solid var(--color-accent);
  display: inline-block;
  padding: 2px 8px;
}

.process__cta {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

@media (max-width: 992px) {
  .blog__grid,
  .process__wrapper,
  .process__steps {
    grid-template-columns: 1fr;
  }
  .blog__post--featured {
    grid-column: span 1;
    flex-direction: column;
  }
}

/* Contact Section */
.contact {
  padding: 100px 0;
  background: var(--color-surface);
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.form__group {
  margin-bottom: 20px;
  position: relative;
}
.form__input {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 15px;
  color: var(--color-text);
  font-family: var(--font-mono);
  outline: none;
}
.form__input:focus {
  border-color: var(--color-accent);
}

.form__error {
  color: #ff4d4d;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  display: none;
  margin-top: 5px;
}

/* Captcha & Privacy Checkbox */
.form__captcha,
.form__privacy {
  margin-bottom: 20px;
}
.captcha__container,
.privacy__container {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

.captcha__checkmark {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  position: relative;
}
.captcha__container input:checked ~ .captcha__checkmark::after {
  content: "✔";
  position: absolute;
  color: var(--color-accent);
  left: 4px;
  top: -2px;
}
.captcha__logo {
  width: 24px;
  margin-left: auto;
  opacity: 0.5;
}

.form__message {
  display: none;
  margin-top: 20px;
  padding: 15px;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-family: var(--font-mono);
}

/* Cookie Popup */
.cookie-popup {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 20px;
  max-width: 400px;
  z-index: 2000;
  display: none;
}

/* Стили для страниц политик (Етап 5.2) */
.pages {
  padding: 120px 0;
}
.pages h1 {
  font-size: 3rem;
  margin-bottom: 30px;
  color: var(--color-accent);
}
.pages h2 {
  margin: 40px 0 20px;
  font-size: 1.8rem;
}
.pages p {
  margin-bottom: 15px;
  color: var(--color-text-dim);
}
.pages ul {
  margin-left: 20px;
  margin-bottom: 20px;
}
.pages li {
  margin-bottom: 10px;
}