/* ============================================================
   mkmmail — стеклянный (glassmorphism) интерфейс.
   Цвета подобраны под оригинал: тёмно-синий фон + бирюзовый
   (teal/cyan) акцент, как у бейджа и номеров шагов.
   ============================================================ */

:root {
  --bg: #0a0e1a;
  --bg-2: #070a14;
  --text: #eef2fb;
  --muted: #93a0bd;
  --faint: #66728e;

  --glass: rgba(255, 255, 255, 0.04);
  --glass-strong: rgba(255, 255, 255, 0.065);
  --stroke: rgba(255, 255, 255, 0.085);

  --teal: #2dd4bf;
  --cyan: #22d3ee;
  --blue: #5b9bff;
  --violet: #b08cff;

  /* фирменный градиент (заголовок + активная кнопка) */
  --grad: linear-gradient(110deg, #22d3ee 0%, #5b9bff 52%, #b08cff 100%);
  --grad-teal: linear-gradient(160deg, #34e0c8, #0fb3a6);
  --grad-soft: linear-gradient(120deg, rgba(45, 212, 191, 0.16), rgba(91, 155, 255, 0.12));

  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 15px;

  --shadow-card: 0 24px 60px -30px rgba(0, 0, 0, 0.9);
  --shadow-glow: 0 14px 38px -12px rgba(45, 180, 200, 0.55);

  --blur: saturate(155%) blur(24px);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI",
    system-ui, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(120% 80% at 50% -8%, #131a2e 0%, transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  background-attachment: fixed;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  letter-spacing: 0.1px;
  overflow-x: hidden;
}

/* ---------- Фон: мягкое сияние + сетка ---------- */
.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.22;
  will-change: transform;
}
.blob-1 {
  width: 48vw; height: 48vw; left: -12vw; top: -14vw;
  background: radial-gradient(circle at 30% 30%, var(--cyan), transparent 70%);
  animation: float1 24s ease-in-out infinite;
}
.blob-2 {
  width: 42vw; height: 42vw; right: -10vw; top: -6vw;
  background: radial-gradient(circle at 60% 40%, var(--violet), transparent 70%);
  animation: float2 28s ease-in-out infinite;
}
.blob-3 {
  width: 46vw; height: 46vw; left: 20vw; bottom: -26vw;
  background: radial-gradient(circle at 50% 50%, var(--blue), transparent 70%);
  opacity: 0.16;
  animation: float3 32s ease-in-out infinite;
}
@keyframes float1 { 50% { transform: translate(7vw, 5vw) scale(1.1); } }
@keyframes float2 { 50% { transform: translate(-6vw, 7vw) scale(1.07); } }
@keyframes float3 { 50% { transform: translate(4vw, -7vw) scale(1.12); } }

.grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
}
.vignette {
  position: absolute; inset: 0;
  background: radial-gradient(130% 80% at 50% -10%, transparent 45%, rgba(0, 0, 0, 0.5) 100%);
}

/* ---------- Обёртка ---------- */
.wrap {
  width: min(680px, 100%);
  margin: 0 auto;
  padding: clamp(32px, 7vh, 76px) clamp(16px, 4vw, 24px) 56px;
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2.4vw, 20px);
}

/* ---------- Шапка ---------- */
.hero { text-align: center; margin-bottom: 2px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px 7px 13px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: #8ef0e6;
  background: rgba(45, 212, 191, 0.08);
  border: 1px solid rgba(45, 212, 191, 0.32);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}
.badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 10px 2px rgba(45, 212, 191, 0.75);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.4; transform: scale(0.8); } }

.hero h1 {
  margin: 16px 0 12px;
  font-size: clamp(28px, 7vw, 48px);
  line-height: 1.07;
  font-weight: 800;
  letter-spacing: -1.1px;
  word-break: break-word;
}
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede {
  margin: 0 auto;
  max-width: 500px;
  color: var(--muted);
  font-size: clamp(13.5px, 2.6vw, 16px);
}

/* ---------- Стеклянная карточка ---------- */
.card {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-xl);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--shadow-card);
}
.card::before { /* верхний световой блик */
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.3), transparent 42%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.5;
  pointer-events: none;
}

.form-card { padding: clamp(20px, 4.5vw, 30px); }

.field-label {
  display: block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 1.7px;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 12px;
}

/* поле + кнопка идут в столбик (как в оригинале) */
.field { display: flex; flex-direction: column; gap: 13px; }

.input-shell {
  display: flex;
  align-items: stretch;
  background: rgba(7, 11, 22, 0.6);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.input-shell:focus-within {
  border-color: rgba(45, 212, 191, 0.6);
  box-shadow: 0 0 0 4px rgba(45, 212, 191, 0.14);
  background: rgba(7, 11, 22, 0.75);
}
.input-shell input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 16px; /* >=16px — чтобы iOS не зумил при фокусе */
  font-family: inherit;
  padding: 0 15px;
  height: 56px;
}
.input-shell input::placeholder { color: var(--faint); }
.suffix {
  display: flex;
  align-items: center;
  padding: 0 15px;
  font-size: 14.5px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  border-left: 1px solid var(--stroke);
  white-space: nowrap;
}

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  font-size: 15px;
  font-weight: 650;
  border-radius: var(--radius-md);
  transition: transform 0.18s cubic-bezier(.2, .8, .2, 1), box-shadow 0.25s, filter 0.2s, background 0.25s, color 0.2s;
  -webkit-tap-highlight-color: transparent;
  text-decoration: none;
  user-select: none;
}
.btn:active { transform: scale(0.985); }

.btn-primary {
  width: 100%;
  height: 56px;
  padding: 0 22px;
  color: #fff;
  background: var(--grad);
  background-size: 170% 170%;
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(transparent 45%, rgba(255, 255, 255, 0.16));
  opacity: 0; transition: opacity 0.25s;
}
.btn-primary:not(:disabled):hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
  box-shadow: 0 18px 46px -12px rgba(45, 180, 220, 0.7);
  animation: shift 3s ease infinite;
}
.btn-primary:not(:disabled):hover::after { opacity: 1; }
@keyframes shift { 50% { background-position: 100% 50%; } }

/* пустое / неактивное состояние — приглушённое, как в оригинале */
.btn-primary:disabled {
  cursor: default;
  background: linear-gradient(110deg, #232a3b, #2f374c);
  color: #7b86a1;
  box-shadow: none;
  filter: none;
  transform: none;
}
.btn-primary.is-busy { cursor: progress; }
.btn-primary.is-busy, .btn-primary.is-cooldown {
  background: linear-gradient(110deg, #232a3b, #2f374c);
  color: #aab4cd;
  box-shadow: none;
}

.btn-ghost {
  height: 50px;
  padding: 0 22px;
  color: var(--text);
  background: var(--glass-strong);
  border: 1px solid var(--stroke);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}
.btn-ghost:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.18);
}
.btn-ghost .ic { color: var(--teal); }
.btn .ic { flex: none; }

.spinner {
  width: 18px; height: 18px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Результат ---------- */
.result { margin-top: 16px; }
.result[hidden] { display: none; }

.code-box {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 16px 16px 20px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.12), rgba(91, 155, 255, 0.1));
  border: 1px solid rgba(45, 212, 191, 0.34);
  animation: reveal 0.45s cubic-bezier(.2, .8, .2, 1);
}
@keyframes reveal {
  from { opacity: 0; transform: translateY(10px) scale(.98); }
  to { opacity: 1; transform: none; }
}
.code-main { flex: 1; min-width: 0; }
.code-type {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: #aef0e6;
  background: rgba(45, 212, 191, 0.14);
  border: 1px solid rgba(45, 212, 191, 0.32);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.code-value {
  font-family: "SF Mono", "JetBrains Mono", "Consolas", ui-monospace, monospace;
  font-size: clamp(24px, 7vw, 34px);
  font-weight: 700;
  letter-spacing: 3px;
  line-height: 1.1;
  color: #fff;
  word-break: break-all;
}
.code-meta { margin-top: 6px; font-size: 12.5px; color: var(--muted); }
.copy-btn {
  flex: none;
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--grad-teal);
  color: #042a26;
  border: 0;
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 26px -10px rgba(45, 200, 180, 0.8);
  transition: transform 0.15s, filter 0.2s;
}
.copy-btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.copy-btn:active { transform: scale(0.94); }

.msg {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 17px;
  border-radius: var(--radius-lg);
  font-size: 14px;
  animation: reveal 0.4s ease;
}
.msg-info {
  background: rgba(255, 196, 84, 0.08);
  border: 1px solid rgba(255, 196, 84, 0.28);
  color: #ffe2ad;
}
.msg-error {
  background: rgba(255, 92, 110, 0.09);
  border: 1px solid rgba(255, 92, 110, 0.3);
  color: #ffc2ca;
}
.msg .retry { margin-top: 7px; font-size: 12.5px; color: var(--muted); }

/* ---------- Шаги ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 13px;
}
.step { padding: 19px; }
.step-num {
  display: grid;
  place-items: center;
  width: 32px; height: 32px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  color: #fff;
  background: var(--grad-teal);
  box-shadow: 0 6px 16px -8px rgba(45, 200, 180, 0.9);
  margin-bottom: 13px;
}
.step h3 { margin: 0 0 6px; font-size: 15.5px; font-weight: 700; }
.step p { margin: 0; font-size: 13px; color: var(--muted); }

/* ---------- Примечание ---------- */
.note-card {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 19px 21px;
  background: linear-gradient(135deg, rgba(45, 212, 150, 0.06), rgba(45, 212, 150, 0.015));
  border-color: rgba(52, 211, 153, 0.24);
}
.note-ic {
  flex: none;
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 14px;
  color: #4ade9e;
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.28);
}
.note-card h3 { margin: 2px 0 5px; font-size: 15.5px; font-weight: 700; color: #c9ffe6; }
.note-card p { margin: 0; font-size: 13px; color: #a3c6b8; }

/* ---------- Реклама MSQ VPN ---------- */
.ad-card {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 17px 19px;
  text-decoration: none;
  color: var(--text);
  background: linear-gradient(120deg, rgba(43, 108, 255, 0.13), rgba(120, 90, 255, 0.1));
  border-color: rgba(91, 140, 255, 0.26);
  transition: transform 0.2s cubic-bezier(.2, .8, .2, 1), box-shadow 0.25s, border-color 0.25s;
}
.ad-card:hover {
  transform: translateY(-2px);
  border-color: rgba(91, 140, 255, 0.5);
  box-shadow: 0 22px 50px -24px rgba(73, 134, 255, 0.6);
}
.ad-card:hover .ad-arrow { transform: translateX(3px); background: var(--grad); color: #fff; }
.ad-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 50px; height: 50px;
  border-radius: 15px;
  background: linear-gradient(140deg, #2f7bff, #6b5bff);
  box-shadow: 0 10px 26px -10px rgba(73, 134, 255, 0.9);
}
.ad-body { flex: 1; min-width: 0; }
.ad-title { font-size: 16.5px; font-weight: 800; letter-spacing: -0.2px; }
.ad-sub { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.ad-arrow {
  flex: none;
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  color: #cfe0ff;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--stroke);
  transition: transform 0.2s, background 0.2s, color 0.2s;
}

/* ---------- Подвал ---------- */
.footer { display: flex; justify-content: center; margin-top: 6px; }

/* ---------- Тост ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: max(24px, env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(20px);
  padding: 12px 20px;
  border-radius: 14px;
  background: rgba(18, 24, 40, 0.9);
  border: 1px solid var(--stroke);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-card);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 50;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============================================================
   Адаптив: телефоны, планшеты, десктоп
   ============================================================ */

/* планшет: 3 шага становятся плотнее */
@media (max-width: 680px) {
  .steps { gap: 11px; }
  .step { padding: 16px; }
}

/* телефон */
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .note-card, .ad-card { padding: 16px; }
  .suffix { font-size: 13px; padding: 0 12px; }
}

/* узкие телефоны */
@media (max-width: 380px) {
  .input-shell input { font-size: 16px; padding: 0 12px; }
  .suffix { font-size: 12px; padding: 0 10px; }
  .code-box { padding: 14px; gap: 10px; }
  .copy-btn { width: 46px; height: 46px; }
  .ad-arrow { display: none; }
  .badge { letter-spacing: 1px; }
}

/* высокий десктоп — чуть просторнее */
@media (min-width: 1024px) {
  .wrap { gap: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .blob, .badge-dot { animation: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}