* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #f5f5f5;
  color: #333;
  transition: .3s;
}

/* HEADER */
header {
  background: #fff;
  text-align: center;
  padding: 30px 20px;
  border-bottom: 1px solid #ddd;
}

.lang-theme {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.languages button,
#theme-toggle {
  padding: 10px 18px;
  border: none;
  border-radius: 8px;
  background: #0DD4C7;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.contacts,
.services,
.transfers,
.accounts,
.form {
  background: #fff;
  box-shadow: 0 4px 10px rgba(0,0,0,.06);
  margin: 15px;
  padding: 25px;
  border-radius: 10px;
}

/* CONTACTS */
.contacts {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.contacts a {
  border: 1px solid #0DD4C7;
  color: #0DD4C7;
  padding: 8px 14px;
  border-radius: 7px;
  font-weight: 600;
  display: flex;
  gap: 6px;
}

.contact-email {
  background: linear-gradient(90deg,#2d9cdb,#2b6ef6);
  color: #fff !important;
  border: none !important;
}

/* ACCORDIONS */
.accordion-btn {
  width: 100%;
  padding: 15px;
  border-radius: 8px;
  border: none;
  background: #0078ff;
  color: #fff;
  font-size: 17px;
  display: flex;
  justify-content: space-between;
  cursor: pointer;
}

.collapse {
  margin-top: 10px;
  display: none;
}

.collapse.show {
  display: block;
}

/* SERVICES (BACKGROUND TEXTURE) */
.accordion-content {
  margin-top: 20px;
  padding: 25px;
  border-radius: 12px;
  color: #fff;

  background-image:
    linear-gradient(rgba(0,0,0,0.45), rgba(0,0,0,0.45)),
    url("img/tmgroup.jpg");

  background-size: cover;
  background-position: center;
}

/* BANK ACCOUNTS */
.account {
  border-bottom: 1px solid #ddd;
}

.account-toggle {
  width: 100%;
  background: transparent;
  border: none;
  padding: 12px 0;
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  cursor: pointer;
}
.bank-logo {
  width: 26px;
  height: 26px;
  object-fit: contain;
  margin-right: 10px;
  vertical-align: middle;
  border-radius: 4px;
}

.account-body {
  padding: 10px 5px 15px;
}

.copy-btn {
  background: #0DD4C7;
  padding: 4px 10px;
  border-radius: 5px;
  font-size: .8rem;
  color: #fff;
  border: none;
  cursor: pointer;
}

.copy-btn:hover {
  background: #0dcaf0;
}

.crypto-img {
  width: 70px;
  object-fit: contain;
  margin-bottom: 10px;
}

/* DARK MODE */
body.dark-mode {
  background: #1c1c1c;
  color: #ddd;
}

.dark-mode header,
.dark-mode .contacts,
.dark-mode .services,
.dark-mode .transfers,
.dark-mode .form {
  background: #2b2b2b;
  color: #fff;
}

.dark-mode .accounts {
  background: #333;
  color: #fff;
}

.dark-mode .account-toggle {
  color: #fff;
}

.dark-mode .copy-btn {
  background: #0dcaf0;
  color: #111;
}
.link-box {
  margin-top: 10px;
  text-align: center;
}

.link-btn {
  display: inline-block;
  padding: 10px 20px;
  background: #0DD4C7;
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 700;
  transition: .25s;
}

.link-btn:hover {
  background: #0dcaf0;
}
/* Контейнер формы */
.form {
  padding: 25px;
  margin: 15px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

/* Заголовок */
.form h2 {
  margin-bottom: 20px;
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: #0078ff;
}

/* Инпуты */
.form input,
.form textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 14px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 1rem;
  outline: none;
  transition: 0.25s;
  background: #fafafa;
}

.form input:focus,
.form textarea:focus {
  border-color: #0DD4C7;
  background: #fff;
  box-shadow: 0 0 6px rgba(13,212,199,0.3);
}

/* Текстовое поле */
.form textarea {
  height: 120px;
  resize: vertical;
}

/* Кнопка */
.form button {
  width: 100%;
  padding: 12px;
  border: none;
  background: #0DD4C7;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}

.form button:hover {
  background: #0dcaf0;
}

/* Темная тема */
.dark-mode .form {
  background: #2b2b2b;
}

.dark-mode .form h2 {
  color: #0dcaf0;
}

.dark-mode .form input,
.dark-mode .form textarea {
  background: #1f1f1f;
  color: #fff;
  border-color: #555;
}

.dark-mode .form input:focus,
.dark-mode .form textarea:focus {
  border-color: #0dcaf0;
  box-shadow: 0 0 6px rgba(13,212,199,0.3);
}

.dark-mode .form button {
  background: #0dcaf0;
  color: #111;
}