/* Звонок для учителя — TBell. Сетка отступов: кратно 6px */

:root {
  --color-bg: #F2EAE0;
  --color-primary: #34673a;
  --color-accent: #7aad70;
  --color-text: #3E4C40;
  --color-muted: #6b6b6b;
  --color-card: #F9F3EB;
  --color-border: #e8dfd4;
  --color-footer-rule: #dcd3c8;
  --font-serif: "Lora", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --container-max: 864px;
  --radius-card: 12px;
  --radius-control: 12px;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 18px;
}


@media (min-width: 768px) {
  .container {
    padding-inline: 24px;
  }
  .container-70 {
    width: 100%;
  }
}

/* Header */
.site-header {
  padding-block: 24px 12px;
}

.site-header__label {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-muted);
}

.site-header__label span{
  color: #818D82;
}

@media (min-width: 768px) {
  .site-header {
    padding-block: 30px 18px;
  }

  .site-header__label {
    font-size: 20px;
  }
}

/* Hero */
.hero {
  padding-block: 0 48px;
}

.hero__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-primary);
  width: 100%;
}

.hero__lead {
  margin: 0;
  max-width: 42em;
  font-size: 16px;
  color: var(--color-text);
}

@media (min-width: 768px) {
  .hero {
    padding-block: 0 36px;
  }

  .hero__lead {
    font-size: 18px;
    line-height: 1.55;
  }

  .hero__title{
    font-size: 44px;
    width: 80%;
  }
}

@media (min-width: 1200px) {
  .hero__title {
    margin-bottom: 18px;
  }
}

/* Features */
.features {
  padding-block: 0 48px;
}

.features__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  padding: 24px;
  background-color: var(--color-card);
  border-radius: var(--radius-card);
  border: 1px solid #D7C8B4;

}

.feature-card__icon {
  flex-shrink: 0;
  line-height: 0;
}

.feature-card__img {
  display: block;
  width: 48px;
  height: 48px;
  object-fit: contain;
}

@media (min-width: 768px) {
  .feature-card__img {
    width: 64px;
    height: 64px;
  }
}

.feature-card__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary);
}

.feature-card__desc {
  margin: 0;
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.55;
}

@media (min-width: 480px) {
  .feature-card {
    flex-direction: row;
    align-items: flex-start;
    gap: 24px;
    padding: 30px;
  }
}

@media (min-width: 768px) {
  .feature-card__title {
    font-size: 24px;
  }

  .feature-card__desc {
    font-size: 16px;
  }
}

/* Early access */
.early-access {
  padding-block: 0 48px;
  text-align: left;
}

.early-access__title {
  margin: 0 0 12px;
  width: 100%;
  font-family: var(--font-serif);
  font-size: clamp(1.375rem, 1.1rem + 1vw, 1.75rem);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.3;
  text-align: left;
}

.early-access__text {
  margin: 0 0 24px;
  width: 100%;
  max-width: none;
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.55;
  text-align: left;
}

.early-access__form-column {
  width: 100%;
  margin-inline: auto;
  text-align: center;
}

@media (min-width: 768px) {
  .early-access__form-column {
    max-width: 50%;
  }
}

.early-access__form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
  text-align: left;
}

.early-access__input {
  width: 100%;
  padding: 12px 18px;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.4;
  color: var(--color-text);
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.early-access__input::placeholder {
  color: #9a9a9a;
}

.early-access__input:hover {
  border-color: #d4c9bc;
}

.early-access__input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(122, 173, 112, 0.25);
}

.early-access__submit {
  width: 100%;
  padding: 14px 24px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.35;
  color: #fff;
  background-color: var(--color-primary);
  border: none;
  border-radius: var(--radius-control);
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.1s ease;
}

.early-access__submit:hover {
  background-color: #2d5a32;
}

.early-access__submit:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.early-access__submit:active {
  transform: translateY(1px);
}

.early-access__note {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-muted);
  text-align: center;
}

.early-access__status {
  min-height: 24px;
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.4;
  text-align: center;
  color: var(--color-muted);
}

.early-access__status--success {
  color: #2d7a35;
}

.early-access__status--error {
  color: #b43a3a;
}

@media (min-width: 768px) {
  .early-access__text {
    font-size: 16px;
    margin-bottom: 30px;
  }
}

/* Links */
.links {
  padding-block: 0 48px;
}

.links__intro {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
}

.links__intro strong {
  font-weight: 600;
  color: var(--color-text);
}

.links__row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  margin-top: 12px;
}

.links__link {
  color: #34673A;
  /*text-decoration: underline;
  text-decoration-color: rgba(58, 58, 58, 0.35);
  text-underline-offset: 3px;*/
  text-decoration: none;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

.links__link:hover {
  color: #7AAD70;
  text-decoration-color: var(--color-primary);
}

.links__link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.links__sep {
  display: none;
  margin-inline: 12px;
  color: var(--color-muted);
  user-select: none;
}

@media (min-width: 768px) {
  .links__row {
    display: inline-flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0;
    margin-top: 0;
    margin-left: 0;
    vertical-align: baseline;
  }

  .links__sep {
    display: inline;
  }
}

/* Footer */
.site-footer {
  padding-block: 0 36px;
}

.site-footer__rule {
  margin: 0 0 24px;
  border: none;
  border-top: 1px solid var(--color-footer-rule);
}

.site-footer__copy {
  margin: 0;
  font-size: 13px;
  color: #8a8a8a;
}

@media (min-width: 768px) {
  .site-footer {
    padding-block: 0 42px;
  }
}