/* Переменные и сброс */
:root {
  --color-primary: #ffd700; /* Яркий желтый */
  --color-bg: #f9fafb;
  --color-text: #1a1a1b;
  --color-text-light: #6b7280;
  --color-white: #ffffff;
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
  --border-radius: 40px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  padding: 20px 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-white);
  padding: 15px 30px;
  border-radius: 100px;
  box-shadow: var(--shadow-soft);
}

.header__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 10px;
}

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

.header__logo-text {
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--color-text);
  letter-spacing: -1px;
}

.header__menu {
  display: flex;
  list-style: none;
  gap: 30px;
  align-items: center;
}

.header__link {
  text-decoration: none;
  color: var(--color-text-light);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

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

.header__cta {
  text-decoration: none;
  background-color: var(--color-primary);
  color: var(--color-text);
  padding: 12px 25px;
  border-radius: 100px;
  font-weight: 700;
  transition: var(--transition);
}

.header__cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
}

.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.header__burger span {
  width: 25px;
  height: 3px;
  background-color: var(--color-text);
  border-radius: 3px;
}

/* Footer */
.footer {
  background-color: var(--color-white);
  padding: 100px 0 40px;
  border-radius: 60px 60px 0 0;
  margin-top: 100px;
}

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

.footer__title {
  margin-bottom: 25px;
  font-size: 1.1rem;
}

.footer__list,
.footer__contacts {
  list-style: none;
}

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

.footer__list a {
  text-decoration: none;
  color: var(--color-text-light);
  transition: var(--transition);
}

.footer__list a:hover {
  color: var(--color-primary);
  padding-left: 5px;
}

.footer__contacts li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--color-text-light);
  margin-bottom: 15px;
}

.footer__contacts i {
  color: var(--color-primary);
  flex-shrink: 0;
}

.footer__bottom {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid #f3f4f6;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* Pages Styling (Privacy, etc.) */
.pages {
  padding: 160px 0 80px;
}

.pages h1 {
  font-size: 3rem;
  margin-bottom: 40px;
  color: var(--color-text);
}

.pages h2 {
  font-size: 1.8rem;
  margin: 40px 0 20px;
}

.pages p {
  margin-bottom: 20px;
  color: var(--color-text-light);
}

.pages ul {
  margin-bottom: 20px;
  padding-left: 20px;
}

.pages li {
  margin-bottom: 10px;
}

/* Адаптивність */
@media (max-width: 992px) {
  .header__nav {
    display: none;
  }
  .header__burger {
    display: flex;
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
  .pages h1 {
    font-size: 2.2rem;
  }
}

/* Кнопки */
.btn {
  display: inline-block;
  padding: 18px 35px;
  border-radius: 100px;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

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

.btn--primary:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 25px rgba(255, 215, 0, 0.3);
}

.btn--secondary {
  background: var(--color-white);
  color: var(--color-text);
  margin-left: 15px;
  border: 1px solid #e5e7eb;
}

.btn--secondary:hover {
  background: #f3f4f6;
}

/* Hero Section */
.hero {
  padding: 180px 0 100px;
  overflow: hidden;
}

.hero__container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 60px;
}

.hero__badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(255, 215, 0, 0.15);
  color: #b8860b;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 25px;
}

.hero__title {
  font-size: 5rem;
  line-height: 1.1;
  margin-bottom: 30px;
  letter-spacing: -2px;
}

.text-highlight {
  color: var(--color-primary);
  position: relative;
}

.hero__description {
  font-size: 1.2rem;
  color: var(--color-text-light);
  max-width: 540px;
  margin-bottom: 40px;
}

.hero__note {
  margin-top: 25px;
  font-size: 0.85rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero__visual {
  position: relative;
}

.hero__circle {
  position: absolute;
  width: 120%;
  height: 120%;
  background: var(--color-primary);
  filter: blur(80px);
  opacity: 0.1;
  top: -10%;
  left: -10%;
  z-index: -1;
}

.hero__img {
  width: 100%;
  border-radius: var(--border-radius);
  transform: rotate(3deg);
  box-shadow: var(--shadow-soft);
}

/* Burger Mobile Menu */
.header__nav.active {
  display: flex;
  position: fixed;
  top: 90px;
  left: 20px;
  right: 20px;
  background: white;
  flex-direction: column;
  padding: 40px;
  border-radius: 30px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.header__burger.is-active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.header__burger.is-active span:nth-child(2) {
  transform: translateY(-2px) rotate(-45deg);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 992px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__title {
    font-size: 3.5rem;
  }
  .hero__description {
    margin: 0 auto 40px;
  }
  .hero__actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
  }
  .btn--secondary {
    margin-left: 0;
  }
}

/* Общие стили секций */
.section-title {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 20px;
}

.section-subtitle {
  color: var(--color-text-light);
  font-size: 1.2rem;
  max-width: 600px;
}

/* Use Cases */
.use-cases {
  padding: 120px 0;
}

.use-cases__header {
  margin-bottom: 80px;
}

.use-cases__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-gap: 30px;
}

.case-card {
  background: var(--color-white);
  padding: 40px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  transform: translateY(-10px);
}

.case-card__icon {
  width: 60px;
  height: 60px;
  background: var(--color-primary);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
}

.case-card__icon i {
  width: 30px;
  height: 30px;
}

.case-card__title {
  font-size: 1.8rem;
  margin-bottom: 15px;
}

.case-card__text {
  color: var(--color-text-light);
  margin-bottom: 25px;
  flex-grow: 1;
}

/* Асимметрия сетки */
.case-card--large {
  grid-column: span 7;
  grid-row: span 2;
  min-height: 500px;
}

.case-card--large .case-card__img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 30px;
  margin-top: 20px;
}

.case-card--small {
  grid-column: span 5;
}

.case-card--medium {
  grid-column: span 5;
  background: var(--color-text);
  color: var(--color-white);
}

.case-card--medium .case-card__text {
  color: rgba(255, 255, 255, 0.7);
}

.case-card__link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 700;
  margin-top: 20px;
}

/* Адаптивность для сетки */
@media (max-width: 992px) {
  .use-cases__grid {
    display: flex;
    flex-direction: column;
  }
  .section-title {
    font-size: 2.5rem;
  }
}

.benefits {
  padding: 100px 0;
  background-color: #fff;
  border-radius: 60px;
}

.benefits__wrapper {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.benefits__stats {
  display: flex;
  gap: 40px;
  margin-top: 50px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-item__num {
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
}

.stat-item__text {
  font-size: 0.9rem;
  color: var(--color-text-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.benefits__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
}

.benefit-card {
  padding: 45px;
  background: var(--color-bg);
  border-radius: var(--border-radius);
  transition: var(--transition);
  border: 1px solid transparent;
}

.benefit-card:hover {
  background: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-soft);
  transform: scale(1.02);
}

.benefit-card__number {
  font-family: "Montserrat", sans-serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

.benefit-card__title {
  font-size: 1.4rem;
  margin-bottom: 15px;
  line-height: 1.3;
}

.benefit-card__text {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* Адаптив для Benefits */
@media (max-width: 992px) {
  .benefits__wrapper {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .benefits__list {
    grid-template-columns: 1fr;
  }

  .benefit-card {
    padding: 30px;
  }
}

.tools {
  padding: 120px 0;
}

.tools__header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 70px;
}

.tools__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.tool-item {
  background: var(--color-white);
  padding: 40px;
  border-radius: var(--border-radius);
  border: 1px solid #e5e7eb;
  transition: var(--transition);
}

.tool-item:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-soft);
}

.tool-item__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
}

.tool-item__tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 5px 12px;
  background: #f3f4f6;
  border-radius: 100px;
  color: var(--color-text-light);
}

.tool-item i {
  color: var(--color-primary);
  width: 24px;
  height: 24px;
}

.tool-item__name {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.tool-item__info {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.5;
}

.tools__footer {
  margin-top: 60px;
}

.tools__banner {
  background: var(--color-text);
  color: var(--color-white);
  padding: 40px 60px;
  border-radius: var(--border-radius);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.tools__banner p {
  font-size: 1.2rem;
  max-width: 600px;
}

@media (max-width: 992px) {
  .tools__banner {
    flex-direction: column;
    text-align: center;
    padding: 40px 30px;
  }
}

.faq {
  padding: 100px 0;
}

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

.faq__image-wrapper {
  margin-top: 40px;
  position: relative;
}

.faq__img {
  width: 100%;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
}

.faq__item {
  background: var(--color-white);
  margin-bottom: 15px;
  border-radius: 30px;
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid #f3f4f6;
}

.faq__question {
  width: 100%;
  padding: 25px 35px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  font-family: "Montserrat", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  text-align: left;
  color: var(--color-text);
}

.faq__question i {
  transition: var(--transition);
  color: var(--color-primary);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 35px;
}

.faq__answer p {
  padding-bottom: 25px;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Состояние открытого аккордеона */
.faq__item.active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-soft);
}

.faq__item.active .faq__answer {
  max-height: 300px;
}

.faq__item.active .faq__question i {
  transform: rotate(45deg);
}

@media (max-width: 992px) {
  .faq__grid {
    grid-template-columns: 1fr;
  }
  .faq__content {
    text-align: center;
  }
  .faq__image-wrapper {
    display: none;
  }
}

/* Contact Section */
.contact {
  padding: 100px 0;
  background: var(--color-bg);
}
.contact__container {
  display: flex;
  justify-content: center;
}

.contact__card {
  background: var(--color-white);
  padding: 60px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
  max-width: 600px;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.contact__header {
  text-align: center;
  margin-bottom: 40px;
}
.contact__subtitle {
  color: var(--color-text-light);
  margin-top: 15px;
}

.form-group {
  margin-bottom: 20px;
}
.form-input {
  width: 100%;
  padding: 18px 25px;
  border-radius: 20px;
  border: 1px solid #e5e7eb;
  background: #f9fafb;
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
}

/* Custom Captcha */
.form-captcha {
  margin: 25px 0;
  padding: 15px 20px;
  background: #f1f1f1;
  border: 1px solid #d3d3d3;
  border-radius: 5px;
  display: inline-block;
}

.captcha-checkbox {
  display: flex;
  align-items: center;
  cursor: pointer;
  gap: 12px;
}
.captcha-logo {
  width: 30px;
  margin-left: auto;
}
.captcha-text {
  font-size: 0.9rem;
  font-weight: 500;
}

/* Policy Checkbox */
.form-policy {
  margin-bottom: 30px;
}
.policy-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--color-text-light);
}
.policy-checkbox a {
  color: var(--color-text);
  font-weight: 600;
}

.btn--full {
  width: 100%;
}

/* Success State */
.contact__success {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-white);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  z-index: 2;
}

.success-icon {
  color: #10b981;
  margin-bottom: 20px;
  transform: scale(2);
}

/* Cookie Popup */
.cookie-popup {
  position: fixed;
  bottom: 30px;
  left: 30px;
  right: 30px;
  background: var(--color-text);
  color: #fff;
  padding: 20px 30px;
  border-radius: 25px;
  display: none;
  justify-content: space-between;
  align-items: center;
  z-index: 2000;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}
.cookie-popup__content {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
  justify-content: space-between;
}
.cookie-popup a {
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .contact__card {
    padding: 40px 20px;
  }
  .cookie-popup__content {
    flex-direction: column;
    text-align: center;
  }
}

/* Стиль для неверного ввода */
.form-input:invalid:not(:placeholder-shown) {
  border-color: #ff4d4d;
}

/* Плавный переход для сообщения об успехе */
#successMessage {
  animation: fadeInScale 0.5s ease forwards;
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}