:root {
  --color-background: #ffffff;
  --color-surface: #ffffff;
  --color-border: #d8d8d8;
  --color-text: #2e2e2e;
  --color-text-muted: #666666;
  --color-brand: #066b72;
  --color-accent: #ef980f;
  --color-badge: #111111;
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.04);
  --font-system: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html {
  min-height: 100%;
}

body.page {
  min-height: 100vh;
  margin: 0;
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-system);
  line-height: 1.45;
}

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

/* HEADER */

.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.site-header__brand-text {
  color: var(--color-brand);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -1px;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 0;
}

.site-header__nav-link {
  color: var(--color-text);
  font-size: 16px;
  font-weight: 500;
  transition: color 0.2s ease;
}

.site-header__nav-link:hover,
.site-header__nav-link:focus-visible {
  color: var(--color-brand);
}

/* HERO */

.viewport {
  display: flex;
  align-items: center;
  min-height: calc(100vh - 74px - 88px);
}

.viewport__container {
  width: 100%;
}

.viewport__content {
  max-width: 980px;
  padding-top: 120px;
  padding-bottom: 64px;
}

.viewport__title {
  max-width: 760px;
  margin-bottom: 20px;
  color: #5c5c5c;
  font-size: 38px;
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: -2px;
}

.viewport__group {
  max-width: 1060px;
}

.viewport__group + .viewport__group {
  margin-top: 16px;
}

.viewport__group-title {
  margin-bottom: 8px;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
}

.viewport__group--sitters .viewport__group-title {
  color: var(--color-brand);
}

.viewport__group--owners .viewport__group-title {
  color: var(--color-accent);
}

.viewport__text {
  max-width: 1120px;
  color: var(--color-text);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.28;
}

/* STORES */

.viewport__stores {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 40px;
}

.viewport__stores-img {
  display: block;
  height: 50px;
}

/* MESSAGE CARD */

.message-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 64px 24px;
}

.message-card__icon {
  width: 64px;
  height: 64px;
  margin-bottom: 24px;
}

.message-card__title {
  font-size: 28px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

.message-card__text {
  font-size: 16px;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}

.message-card__text + .message-card__text {
  margin-top: 4px;
}

.message-card__title--error {
  color: #dc2626;
}

/* PROFILE CARD (deep-link landing) */

.message-card--profile {
  position: relative;
  max-width: 480px;
  margin: 48px auto;
  padding: 32px 24px 40px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.message-card--has-header {
  padding-top: 0;
}

.message-card__header {
  width: calc(100% + 48px);
  height: 140px;
  margin: 0 -24px 0;
  object-fit: cover;
  display: block;
}

.message-card__header--placeholder {
  background-color: #f1f3f5;
}

.message-card__icon--avatar {
  width: 112px;
  height: 112px;
  margin-bottom: 16px;
  border-radius: 50%;
  border: 4px solid var(--color-surface);
  object-fit: cover;
  background-color: #f0f0f0;
}

.message-card--has-header .message-card__icon--avatar {
  margin-top: -56px;
}

.message-card--profile .message-card__title {
  margin-bottom: 4px;
}

.message-card__handle {
  margin: 0 0 16px;
  font-size: 15px;
  color: var(--color-brand);
  font-weight: 500;
}

/* STORE BADGES (App Store + Google Play, paired under the main button) */

.store-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}

.store-badge {
  display: inline-block;
  line-height: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.store-badge:hover,
.store-badge:focus-visible {
  opacity: 0.85;
  transform: translateY(-1px);
}

.store-badge__img {
  display: block;
  height: 44px;
  width: auto;
}

/* SPINNER */

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-brand);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 24px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* MAIN BUTTON */

.main-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  padding: 14px 32px;
  margin-top: 32px;
  background-color: var(--color-brand);
  color: #ffffff;
  font-size: 16px;
  font-weight: 500;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.main-button:hover,
.main-button:focus-visible {
  background-color: #055a60;
  color: #ffffff;
}

/* FORM */

.form {
  width: 100%;
  max-width: 360px;
  margin-top: 24px;
  text-align: left;
}

.form__group {
  margin-bottom: 16px;
}

.form__label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
}

.form__input {
  display: block;
  width: 100%;
  padding: 12px 16px;
  font-size: 16px;
  font-family: inherit;
  color: var(--color-text);
  background-color: #f5f5f5;
  border: 1px solid transparent;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.form__input:focus {
  background-color: #ffffff;
  border-color: var(--color-brand);
}

.form__input::placeholder {
  color: #999999;
}

.form__hint {
  margin-top: 16px;
  margin-bottom: 0;
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
  text-align: center;
}

.form__error {
  margin-top: 16px;
  padding: 12px 16px;
  background-color: #fee2e2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  color: #dc2626;
  font-size: 14px;
  text-align: center;
}

.form .main-button {
  width: 100%;
  margin-top: 24px;
}

/* FOOTER */

.site-footer {
  padding-top: 24px;
  padding-bottom: 32px;
}

.site-footer__text {
  color: #7b7b7b;
  font-size: 15px;
  text-align: center;
}

/* RESPONSIVE (still px, no rem/clamp/vw) */

@media (max-width: 991px) {
  .site-header__container {
    flex-direction: column;
    justify-content: center;
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .site-header__nav-list {
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .viewport {
    min-height: auto;
  }

  .viewport__content {
    padding-top: 64px;
    padding-bottom: 48px;
  }

  .viewport__text {
    line-height: 1.4;
  }
}

@media (max-width: 575px) {
  .site-header__brand-text {
    font-size: 26px;
  }

  .site-header__nav-list {
    gap: 16px;
  }

  .viewport__content {
    padding-top: 48px;
  }

  .viewport__stores {
    gap: 12px;
  }

  .viewport__store-badge {
    min-width: 132px;
  }
}