/*
  Telegram Promo Banner
  Standalone + reusable block
  Class prefix: tg-banner__
*/

.tg-banner,
.tg-banner * {
  box-sizing: border-box;
}

.tg-banner {
  --tg-text: #ffffff;
  --tg-subtext: rgba(240, 247, 255, 0.9);
  --tg-dark: #0f192b;
  --tg-dark-soft: #13233a;
  --tg-blue: #229ed9;
  --tg-blue-2: #37b2ee;
  --tg-blue-3: #7fd6ff;
  --tg-green: #4be28f;

  width: 100%;
  padding: clamp(12px, 1.4vw, 24px) 0;
  font-family: Inter, Arial, sans-serif;
}

.tg-banner__container {
  width: 100%;
  max-width: 1720px;
  margin: 0 auto;
}

.tg-banner__surface {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: clamp(280px, 19vw, 320px);
  border-radius: clamp(18px, 1.4vw, 28px);
  background:
    linear-gradient(102deg, rgba(7, 14, 26, 0.78) 0%, rgba(7, 14, 26, 0.58) 34%, rgba(8, 20, 36, 0.35) 58%, rgba(10, 29, 48, 0.2) 100%),
    var(--tg-banner-image) center center / cover no-repeat;
  background-color: var(--tg-dark);
  box-shadow:
    0 22px 46px rgba(5, 11, 22, 0.28),
    0 2px 0 rgba(255, 255, 255, 0.12) inset;
}

.tg-banner__surface::before,
.tg-banner__surface::after {
  content: "";
  position: absolute;
  inset: -30% -10%;
  pointer-events: none;
  z-index: 0;
}

.tg-banner__surface::before {
  background:
    radial-gradient(circle at 16% 24%, rgba(34, 158, 217, 0.22) 0, rgba(34, 158, 217, 0) 34%),
    radial-gradient(circle at 84% 74%, rgba(127, 214, 255, 0.18) 0, rgba(127, 214, 255, 0) 32%);
  animation: tg-banner-glow 10s ease-in-out infinite alternate;
}

.tg-banner__surface::after {
  background:
    radial-gradient(4px 4px at 12% 36%, rgba(190, 235, 255, 0.42) 0, rgba(190, 235, 255, 0) 85%),
    radial-gradient(3px 3px at 26% 70%, rgba(190, 235, 255, 0.36) 0, rgba(190, 235, 255, 0) 85%),
    radial-gradient(3px 3px at 57% 20%, rgba(190, 235, 255, 0.3) 0, rgba(190, 235, 255, 0) 85%),
    radial-gradient(4px 4px at 74% 58%, rgba(190, 235, 255, 0.34) 0, rgba(190, 235, 255, 0) 85%),
    radial-gradient(3px 3px at 90% 30%, rgba(190, 235, 255, 0.34) 0, rgba(190, 235, 255, 0) 85%);
  animation: tg-banner-particles 13s linear infinite;
}

.tg-banner__ambient {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(120deg, rgba(34, 158, 217, 0.08) 0%, rgba(34, 158, 217, 0) 35%, rgba(75, 226, 143, 0.08) 100%);
  transform: translateX(-8%);
  animation: tg-banner-ambient 9s ease-in-out infinite alternate;
}

.tg-banner__ambient::after {
  content: "";
  position: absolute;
  top: -45%;
  left: -20%;
  width: 40%;
  height: 190%;
  transform: rotate(14deg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(170, 230, 255, 0.18), rgba(255, 255, 255, 0));
  filter: blur(4px);
  animation: tg-banner-light-sweep 8.5s ease-in-out infinite;
}

.tg-banner__content {
  position: relative;
  z-index: 2;
  width: min(100%, 1040px);
  margin-left: clamp(16px, 2.4vw, 44px);
  margin-right: clamp(16px, 2.4vw, 44px);
  padding: 0;
}

.tg-banner__status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: clamp(8px, 0.8vw, 12px);
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(8, 23, 42, 0.64);
  border: 1px solid rgba(121, 199, 238, 0.34);
}

.tg-banner__status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tg-green);
  box-shadow: 0 0 0 0 rgba(75, 226, 143, 0.55);
  animation: tg-banner-ping 1.7s ease-out infinite;
}

.tg-banner__status-text {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(209, 239, 255, 0.95);
}

.tg-banner__status-count {
  color: #97c680;
  font-weight: 800;
  text-shadow: 0 2px 10px rgba(84, 126, 62, 0.45);
}

.tg-banner__title {
  margin: 0;
  max-width: 600px;
  color: var(--tg-text);
  font-weight: 700;
  font-size: clamp(30px, 2.45vw, 46px);
  line-height: 1.07;
  letter-spacing: -0.02em;
  text-wrap: balance;
  text-shadow: 0 3px 18px rgba(2, 8, 16, 0.45);
}

.tg-banner__title-accent {
  color: #97c680;
  text-shadow: 0 4px 20px rgba(84, 126, 62, 0.45);
}

.tg-banner__subtitle {
  margin: clamp(10px, 0.9vw, 14px) 0 0;
  max-width: 56ch;
  color: var(--tg-subtext);
  font-size: clamp(16px, 1vw, 21px);
  line-height: 1.35;
  font-weight: 400;
  text-shadow: 0 2px 12px rgba(2, 8, 16, 0.42);
}

.tg-banner__button {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: clamp(16px, 1.4vw, 24px);
  min-height: 54px;
  padding: 12px 24px 12px 16px;
  border-radius: 999px;
  border: none;
  text-decoration: none;
  color: #1c1b29;
  background: linear-gradient(180deg, #a8d98f 0%, #97c680 100%);
  box-shadow:
    0 12px 28px rgba(78, 117, 58, 0.34),
    0 1px 0 rgba(255, 255, 255, 0.35) inset;
  transition: transform 0.28s ease, box-shadow 0.28s ease, filter 0.28s ease;
}

.tg-banner__button::before {
  content: "";
  position: absolute;
  top: -120%;
  left: -40%;
  width: 40%;
  height: 320%;
  transform: rotate(18deg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0));
  transition: left 0.62s ease;
}

.tg-banner__button:hover {
  transform: translateY(-2px);
  filter: saturate(1.06) brightness(1.04);
  box-shadow:
    0 18px 34px rgba(68, 104, 50, 0.42),
    0 1px 0 rgba(255, 255, 255, 0.48) inset;
}

.tg-banner__button:hover::before {
  left: 120%;
}

.tg-banner__button:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.9);
  outline-offset: 3px;
}

.tg-banner__button-icon {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  color: #34b3ec;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 2px 12px rgba(9, 40, 59, 0.28);
}

.tg-banner__button-icon svg {
  width: 16px;
  height: 16px;
}

.tg-banner__button-text {
  font-size: clamp(15px, 0.96vw, 18px);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.tg-banner__decor {
  position: absolute;
  right: clamp(18px, 2.6vw, 42px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: min(39%, 510px);
  min-width: 330px;
  pointer-events: none;
}

.tg-banner__chat {
  position: absolute;
  right: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: 250px;
  border-radius: 999px;
  padding: 8px 14px;
  max-width: 100%;
  border: 1px solid rgba(166, 226, 255, 0.35);
  background: rgba(9, 29, 50, 0.66);
  backdrop-filter: blur(4px);
  box-shadow: 0 10px 24px rgba(5, 12, 25, 0.24);
}

.tg-banner__chat--1 {
  top: -136px;
  right: 12px;
  animation: tg-banner-float-a 8.2s ease-in-out infinite;
}

.tg-banner__chat--2 {
  top: -84px;
  right: 202px;
  animation: tg-banner-float-b 9.3s ease-in-out infinite;
}

.tg-banner__chat--3 {
  top: -18px;
  right: 26px;
  animation: tg-banner-float-c 8.8s ease-in-out infinite;
}

.tg-banner__chat--4 {
  top: 38px;
  right: 192px;
  animation: tg-banner-float-d 10.2s ease-in-out infinite;
}

.tg-banner__chat--5 {
  top: 96px;
  right: 92px;
  animation: tg-banner-float-e 9.6s ease-in-out infinite;
}

.tg-banner__chat-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6ce7a4;
}

.tg-banner__chat-text {
  display: block;
  color: rgba(224, 244, 255, 0.94);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity 0.18s ease, transform 0.18s ease;
  will-change: opacity, transform;
}

.tg-banner__chat-text.is-fading {
  opacity: 0.22;
  transform: translateY(2px);
}

.tg-banner__plane-wrap {
  position: absolute;
  left: -24px;
  right: auto;
  top: -34px;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 50% 45%, rgba(112, 211, 255, 0.35), rgba(29, 81, 111, 0.08));
  border: 1px solid rgba(166, 226, 255, 0.36);
  box-shadow: 0 14px 28px rgba(3, 11, 20, 0.24), 0 0 36px rgba(55, 178, 238, 0.16);
  animation: tg-banner-plane-wrap 7s ease-in-out infinite;
  z-index: 3;
}

.tg-banner__plane {
  width: 58px;
  height: 58px;
  filter: drop-shadow(0 5px 12px rgba(3, 12, 22, 0.26));
  animation: tg-banner-plane 6s ease-in-out infinite;
}

@media (max-width: 1300px) {
  .tg-banner__content {
    width: min(100%, 980px);
  }

  .tg-banner__decor {
    width: min(36%, 360px);
    min-width: 260px;
  }

  .tg-banner__chat-text {
    font-size: 12px;
  }

  .tg-banner__chat {
    width: 228px;
  }

  .tg-banner__chat--4,
  .tg-banner__chat--5 {
    display: none;
  }

  .tg-banner__chat--1 {
    top: -98px;
  }

  .tg-banner__chat--2 {
    top: -50px;
    right: 140px;
  }

  .tg-banner__chat--3 {
    top: 4px;
    right: 24px;
  }

  .tg-banner__plane-wrap {
    left: -14px;
    right: auto;
    top: -20px;
  }
}

@media (max-width: 1024px) {
  .tg-banner__surface {
    min-height: clamp(290px, 34vw, 340px);
  }

  .tg-banner__content {
    width: min(100%, 900px);
    margin-right: 18px;
  }

  .tg-banner__title {
    font-size: clamp(28px, 3.2vw, 40px);
  }

  .tg-banner__subtitle {
    max-width: 50ch;
  }

  .tg-banner__decor {
    display: none;
  }
}

@media (max-width: 768px) {
  .tg-banner {
    padding: 10px 0 16px;
  }

  .tg-banner__surface {
    min-height: clamp(300px, 64vw, 360px);
    background:
      linear-gradient(180deg, rgba(8, 15, 28, 0.74) 0%, rgba(8, 15, 28, 0.62) 56%, rgba(8, 15, 28, 0.5) 100%),
      var(--tg-banner-image) 66% center / cover no-repeat;
  }

  .tg-banner__content {
    width: 100%;
    margin: 16px;
    padding: 0;
  }

  .tg-banner__title {
    max-width: 100%;
    font-size: clamp(27px, 6.9vw, 36px);
  }

  .tg-banner__subtitle {
    max-width: 100%;
    font-size: clamp(15px, 3.9vw, 18px);
  }

  .tg-banner__button {
    width: 100%;
    justify-content: center;
    min-height: 52px;
    padding: 11px 18px;
  }

  .tg-banner__button-icon {
    width: 26px;
    height: 26px;
  }
}

@media (max-width: 480px) {
  .tg-banner__surface {
    min-height: 318px;
    border-radius: 18px;
  }

  .tg-banner__content {
    margin: 12px;
  }

  .tg-banner__status {
    padding: 5px 10px;
  }

  .tg-banner__status-text {
    font-size: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tg-banner__surface::before,
  .tg-banner__surface::after,
  .tg-banner__ambient,
  .tg-banner__ambient::after,
  .tg-banner__status-dot,
  .tg-banner__button,
  .tg-banner__button::before,
  .tg-banner__chat,
  .tg-banner__plane-wrap,
  .tg-banner__plane {
    animation: none !important;
    transition: none !important;
  }
}

@keyframes tg-banner-glow {
  0% {
    transform: translateX(-3%) translateY(0);
    opacity: 0.85;
  }
  100% {
    transform: translateX(3%) translateY(-2%);
    opacity: 1;
  }
}

@keyframes tg-banner-particles {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-22px);
  }
}

@keyframes tg-banner-ambient {
  0% {
    transform: translateX(-8%);
    opacity: 0.72;
  }
  100% {
    transform: translateX(2%);
    opacity: 1;
  }
}

@keyframes tg-banner-light-sweep {
  0% {
    left: -30%;
    opacity: 0;
  }
  35% {
    opacity: 0.85;
  }
  70% {
    opacity: 0.5;
  }
  100% {
    left: 112%;
    opacity: 0;
  }
}

@keyframes tg-banner-ping {
  0% {
    box-shadow: 0 0 0 0 rgba(75, 226, 143, 0.6);
  }
  80% {
    box-shadow: 0 0 0 9px rgba(75, 226, 143, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(75, 226, 143, 0);
  }
}

@keyframes tg-banner-float-a {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

@keyframes tg-banner-float-b {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(5px);
  }
}

@keyframes tg-banner-float-c {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

@keyframes tg-banner-float-d {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(6px);
  }
}

@keyframes tg-banner-float-e {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

@keyframes tg-banner-plane-wrap {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes tg-banner-plane {
  0%,
  100% {
    transform: rotate(-6deg) translateY(0);
  }
  50% {
    transform: rotate(6deg) translateY(-3px);
  }
}