:root {
  --bg-dark: #0a0a0b;
  --text-light: #e2e8f0;
  --accent-silver: #94a3b8;
  --line-color: rgba(226, 232, 240, 0.15);
  --font-main: "Montserrat", sans-serif;
  --font-heading: "Playfair Display", serif;
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-light);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Background Mesh Gradient */
.mesh-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background:
    radial-gradient(
      circle at 20% 30%,
      rgba(30, 41, 59, 0.5) 0%,
      transparent 40%
    ),
    radial-gradient(
      circle at 80% 70%,
      rgba(15, 23, 42, 0.5) 0%,
      transparent 40%
    );
  opacity: 0.6;
}

/* Header Style */
.header {
  padding: 30px 0;
  border-bottom: 1px solid var(--line-color);
  position: sticky;
  top: 0;
  background: rgba(10, 10, 11, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
}

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

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 12px;
}

.logo__img {
  width: 40px;
  height: 40px;
}

.logo__text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--text-light);
  letter-spacing: 1px;
}

.nav__list {
  display: flex;
  list-style: none;
  gap: 40px;
}

.nav__link {
  text-decoration: none;
  color: var(--accent-silver);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: var(--transition);
}

.nav__link:hover {
  color: var(--text-light);
  transform: translateY(-2px);
}

.nav__link--cta {
  border: 1px solid var(--line-color);
  padding: 10px 20px;
  border-radius: 0;
}

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

/* Footer Style */
.footer {
  border-top: 1px solid var(--line-color);
  padding: 100px 0 40px;
  margin-top: 100px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 60px;
  margin-bottom: 80px;
}

.footer__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 30px;
  position: relative;
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: 15px;
}

.footer__links a {
  text-decoration: none;
  color: var(--accent-silver);
  font-size: 0.85rem;
  transition: var(--transition);
}

.footer__links a:hover {
  color: var(--text-light);
  padding-left: 5px;
}

.footer__address {
  font-style: normal;
  color: var(--accent-silver);
  font-size: 0.9rem;
}

.footer__address a {
  color: inherit;
  text-decoration: none;
}

.footer__bottom {
  border-top: 1px solid var(--line-color);
  padding-top: 30px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--accent-silver);
}

@media (max-width: 992px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .nav {
    display: none; /* Логика бургер-меню будет в script.js */
  }
  .burger {
    display: block;
  }
}

/* Hero Section Styles */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0;
  overflow: hidden;
}

.hero__container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero__subtitle {
  display: block;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--accent-silver);
  margin-bottom: 20px;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 1.1;
  margin-bottom: 30px;
}

.hero__title--italic {
  font-style: italic;
  font-weight: 400;
  color: var(--accent-silver);
}

.hero__description {
  max-width: 500px;
  font-size: 1.1rem;
  color: var(--accent-silver);
  margin-bottom: 40px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 18px 35px;
  text-decoration: none;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: var(--transition);
  border: 1px solid var(--line-color);
}

.btn--primary {
  background: var(--text-light);
  color: var(--bg-dark);
}

.btn--primary:hover {
  background: transparent;
  color: var(--text-light);
  transform: translateY(-5px);
}

.btn--secondary {
  margin-left: 20px;
  color: var(--text-light);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-5px);
}

/* Visual Elements */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero__circle-container {
  position: relative;
  width: 400px;
  height: 400px;
}

.hero__circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
}

.hero__circle--1 {
  width: 300px;
  height: 300px;
  background: rgba(148, 163, 184, 0.2);
  top: 0;
  left: 0;
  animation: float 8s infinite alternate;
}

.hero__circle--2 {
  width: 250px;
  height: 250px;
  background: rgba(226, 232, 240, 0.1);
  bottom: 0;
  right: 0;
  animation: float 10s infinite alternate-reverse;
}

.hero__card {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line-color);
  padding: 40px;
  text-align: center;
  width: 280px;
}

.hero__card-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.hero__card-value {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  margin-bottom: 5px;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-silver);
}

@keyframes float {
  from {
    transform: translate(0, 0);
  }
  to {
    transform: translate(20px, 40px);
  }
}

@media (max-width: 992px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__description {
    margin: 0 auto 40px;
  }
  .hero__visual {
    margin-top: 50px;
  }
}

/* Strategy Section */
.strategy {
  padding: 150px 0;
  border-top: 1px solid var(--line-color);
}

.strategy__header {
  margin-bottom: 100px;
}

.strategy__label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 5px;
  color: var(--accent-silver);
  margin-bottom: 20px;
  font-weight: 400;
}

.strategy__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.2;
}

.strategy__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  /* Журнальна сітка через кордони */
  border-top: 1px solid var(--line-color);
  border-left: 1px solid var(--line-color);
}

.strategy__item {
  padding: 60px;
  border-right: 1px solid var(--line-color);
  border-bottom: 1px solid var(--line-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.strategy__item:hover {
  background: rgba(255, 255, 255, 0.02);
}

.strategy__number {
  display: block;
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--accent-silver);
  margin-bottom: 30px;
}

.strategy__item-title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.strategy__item-text {
  color: var(--accent-silver);
  font-size: 1rem;
  max-width: 400px;
}

.strategy__highlight {
  display: block;
  margin-top: 15px;
  color: var(--text-light);
  font-weight: 600;
}

@media (max-width: 768px) {
  .strategy__grid {
    grid-template-columns: 1fr;
  }
  .strategy__item {
    padding: 40px 20px;
  }
}

/* Insights Section */
.insights {
  padding: 150px 0;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(148, 163, 184, 0.03)
  );
}

.insights__grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 100px;
}

.insights__label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 5px;
  color: var(--accent-silver);
  margin-bottom: 20px;
}

.insights__title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 6vw, 4.5rem);
  line-height: 1;
  margin-bottom: 30px;
}

.insights__lead {
  color: var(--accent-silver);
  font-size: 1.1rem;
  margin-bottom: 40px;
  border-left: 1px solid var(--line-color);
  padding-left: 20px;
}

/* Insight Cards */
.insights__content {
  display: flex;
  flex-direction: column;
  gap: 2px; /* Эффект тонких линий между картами */
  background-color: var(--line-color);
}

.insight-card {
  background-color: var(--bg-dark);
  padding: 50px;
  transition: var(--transition);
}

.insight-card:hover {
  background-color: rgba(255, 255, 255, 0.03);
}

.insight-card__meta {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-silver);
  margin-bottom: 15px;
}

.insight-card__title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: 15px;
  line-height: 1.3;
}

.insight-card__excerpt {
  color: var(--accent-silver);
  margin-bottom: 25px;
  font-weight: 300;
}

.insight-card__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-light);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}

.insight-card__link svg {
  width: 18px;
  transition: var(--transition);
}

.insight-card__link:hover {
  gap: 15px;
}

.insight-card__link:hover svg {
  transform: rotate(45deg);
}

@media (max-width: 992px) {
  .insights__grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
}

/* Mentoring Section */
.mentoring {
  padding: 150px 0;
  border-top: 1px solid var(--line-color);
}

.mentoring__header {
  margin-bottom: 80px;
  text-align: right;
}

.mentoring__label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 5px;
  color: var(--accent-silver);
  margin-bottom: 20px;
}

.mentoring__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
}

/* Bento Grid */
.mentoring__bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 300px);
  gap: 1px; /* Тонкие линии между блоками */
  background-color: var(--line-color);
  border: 1px solid var(--line-color);
}

.bento-item {
  background-color: var(--bg-dark);
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.bento-item:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.bento-item--main {
  grid-column: span 2;
  grid-row: span 1;
  justify-content: center;
  background: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.03) 0%,
    transparent 100%
  );
}

.bento-item--accent {
  grid-row: span 2;
  background: rgba(148, 163, 184, 0.05);
}

.bento-item__number {
  font-family: var(--font-heading);
  font-size: 5rem;
  line-height: 1;
  display: block;
  margin-bottom: 20px;
  color: var(--accent-silver);
  opacity: 0.5;
}

.bento-item__title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: 15px;
}

.bento-item__text {
  color: var(--accent-silver);
  font-size: 0.95rem;
  max-width: 300px;
}

.bento-item__icon {
  width: 40px;
  height: 40px;
  margin-bottom: 20px;
  color: var(--accent-silver);
}

.bento-item__link {
  margin-top: 20px;
  text-decoration: none;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
}

@media (max-width: 992px) {
  .mentoring__bento {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .bento-item--main,
  .bento-item--accent {
    grid-column: span 1;
    grid-row: span 1;
  }
  .bento-item {
    min-height: 300px;
  }
}

/* Cases Section */
.cases {
  padding: 150px 0;
  border-top: 1px solid var(--line-color);
}

.cases__header {
  margin-bottom: 100px;
}

.cases__label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 5px;
  color: var(--accent-silver);
  margin-bottom: 20px;
}

.cases__title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 7vw, 5rem);
  line-height: 1;
}

.cases__list {
  display: flex;
  flex-direction: column;
  gap: 150px;
}

.case-item {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

.case-item--reverse {
  grid-template-columns: 1.2fr 1fr;
}

.case-item--reverse .case-item__info {
  grid-column: 2;
}

.case-item--reverse .case-item__image {
  grid-column: 1;
  grid-row: 1;
}

.case-item__tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent-silver);
  display: block;
  margin-bottom: 20px;
}

.case-item__name {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.case-item__desc {
  font-size: 1.1rem;
  color: var(--accent-silver);
  margin-bottom: 30px;
  line-height: 1.8;
}

.case-item__result {
  font-weight: 600;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--text-light);
  display: inline-block;
  padding-bottom: 5px;
}

.case-item__image {
  position: relative;
  height: 500px;
  background: var(--line-color);
  overflow: hidden;
}

.case-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.1);
  transition: var(--transition);
}

.case-item:hover .case-item__image img {
  filter: grayscale(0.5);
  transform: scale(1.05);
}

.case-item__overlay {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: var(--text-light);
  color: var(--bg-dark);
  padding: 10px 20px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.cases__cta {
  margin-top: 150px;
  text-align: center;
  border: 1px solid var(--line-color);
  padding: 80px 40px;
}

.cases__cta p {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 30px;
}

@media (max-width: 992px) {
  .case-item,
  .case-item--reverse {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .case-item--reverse .case-item__info {
    grid-column: 1;
  }
  .case-item--reverse .case-item__image {
    grid-column: 1;
  }
}

/* Contact Section */
/* Contact Section */
.contact {
  padding: 150px 0;
  border-top: 1px solid var(--line-color);
}

.contact__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: start;
}

.contact__label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 5px;
  color: var(--accent-silver);
  margin-bottom: 20px;
}

.contact__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  margin-bottom: 30px;
}

.contact__text {
  color: var(--accent-silver);
  font-size: 1.1rem;
  max-width: 450px;
}

/* Form Groups */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.form-group {
  position: relative;
}

.form-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line-color);
  padding: 15px 0;
  color: var(--text-light);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--text-light);
}

.form-input.invalid {
  border-bottom-color: #f44336 !important;
}

.error-hint {
  display: none;
  color: #f44336;
  font-size: 0.7rem;
  margin-top: 5px;
  text-transform: uppercase;
}

.form-input.invalid + .error-hint {
  display: block;
}

/* Custom Checkboxes */
.form-captcha {
  background: rgba(255, 255, 255, 0.03);
  padding: 20px;
  border: 1px solid var(--line-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.captcha-checkbox,
.agreement-checkbox {
  display: flex;
  align-items: center;
  gap: 15px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--accent-silver);
}

.checkmark {
  width: 20px;
  height: 20px;
  border: 1px solid var(--line-color);
  display: inline-block;
  position: relative;
  transition: var(--transition);
}

input[type="checkbox"]:checked + .checkmark {
  background-color: var(--text-light);
}

input[type="checkbox"]:checked + .checkmark::after {
  content: "✓";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--bg-dark);
}

/* Submit & Messages */
.btn--submit {
  width: 100%;
  cursor: pointer;
}

.form-message {
  padding: 15px;
  font-size: 0.9rem;
  display: none;
  text-align: center;
  border: 1px solid transparent;
}

.form-message.success {
  display: block;
  border-color: #2e7d32;
  color: #4caf50;
  background: rgba(76, 175, 80, 0.05);
}

@media (max-width: 992px) {
  .contact__container {
    grid-template-columns: 1fr;
    gap: 60px;
  }
}

.form-input.invalid {
  border-bottom-color: #f44336 !important;
}

.form-input.invalid + .error-hint {
  display: block;
  color: #f44336;
  font-size: 0.7rem;
  margin-top: 5px;
}

.error-hint {
  display: none;
}

.captcha-error {
  border: 1px solid #f44336 !important;
}

/* Cookie Popup */
.cookie-popup {
  position: fixed;
  bottom: -100%;
  left: 0;
  width: 100%;
  background: rgba(10, 10, 11, 0.95);
  border-top: 1px solid var(--line-color);
  backdrop-filter: blur(15px);
  padding: 20px 0;
  z-index: 9999;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.cookie-popup--active {
  transform: translateY(-100%);
  bottom: 0;
}

.cookie-popup__content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.cookie-popup__text {
  font-size: 0.85rem;
  color: var(--accent-silver);
}

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

.cookie-popup__btn {
  padding: 10px 25px;
  font-size: 0.75rem;
}

/* Стили для текстовых страниц (privacy.php, etc.) */
.pages {
  padding: 150px 0;
  min-height: 80vh;
}

.pages h1 {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  margin-bottom: 50px;
  border-bottom: 1px solid var(--line-color);
  padding-bottom: 20px;
}

.pages h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin: 40px 0 20px;
}

.pages p {
  color: var(--accent-silver);
  margin-bottom: 20px;
  max-width: 800px;
  line-height: 1.8;
}

.pages ul {
  margin-bottom: 30px;
  list-style: none;
}

.pages li {
  color: var(--accent-silver);
  margin-bottom: 10px;
  position: relative;
  padding-left: 20px;
}

.pages li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--text-light);
}

.pages strong {
  color: var(--text-light);
}

.pages a {
  color: var(--text-light);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Валідація та помилки */
.form-input.invalid {
  border-bottom-color: #f44336 !important;
}

.error-hint {
  display: none;
  color: #f44336;
  font-size: 0.75rem;
  margin-top: 5px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-input.invalid + .error-hint {
  display: block;
}

/* Анімація кнопки при відправці */
.btn--submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  filter: grayscale(1);
}

/* Оновлені стилі для зображень у кейсах */
.case-item__image {
  position: relative;
  height: 500px;
  background: #1a1a1c; /* Світліший фон для плейсхолдера */
  overflow: hidden;
  border: 1px solid var(--line-color);
}

.case-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Прибираємо повний grayscale, залишаємо лише легке стилізування */
  filter: grayscale(0.3) brightness(0.9);
  transition: var(--transition);
  display: block;
}

.case-item:hover .case-item__image img {
  /* При наведенні картинка стає повністю кольоровою та яскравою */
  filter: grayscale(0) brightness(1);
  transform: scale(1.03);
}

.case-item__overlay {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: var(--text-light);
  color: var(--bg-dark);
  padding: 10px 20px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  z-index: 2;
  font-weight: 600;
}

/* Виправляємо баг з відображенням, якщо JS не спрацював */
.case-item__image[style*="clip-path"] {
  min-height: 500px;
}