/* ===== tokens ===== */
:root {
  --bg: #0b0f1a;
  --bg-soft: #121829;
  --card: rgba(255, 255, 255, .045);
  --card-border: rgba(255, 255, 255, .09);
  --text: #e9edf7;
  --text-dim: #9aa5bd;
  --accent: #6f8fff;
  --accent-2: #46d9c0;
  --danger: #ff6b6b;
  --ok: #46d9a0;
  --radius: 18px;
  --shadow: 0 20px 60px -20px rgba(0, 0, 0, .6);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(60vw 60vw at 15% -10%, rgba(111, 143, 255, .20), transparent 60%),
    radial-gradient(50vw 50vw at 95% 10%, rgba(70, 217, 192, .13), transparent 60%),
    radial-gradient(70vw 50vw at 50% 110%, rgba(111, 143, 255, .10), transparent 60%);
  animation: drift 24s ease-in-out infinite alternate;
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(0, -3%, 0) scale(1.08); }
}

/* ===== hero ===== */
.hero {
  position: relative;
  z-index: 1;
  min-height: 92vh;
  min-height: 92dvh; /* na telefonie vh liczy pasek adresu, dvh nie */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px 60px;
}

.hero__eyebrow {
  margin: 0 0 18px;
  font-size: .78rem;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-weight: 600;
}

.hero__title {
  margin: 0;
  font-size: clamp(2.2rem, 7vw, 4.4rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -.03em;
  background: linear-gradient(180deg, #fff 0%, #b9c6ea 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  margin: 26px auto 0;
  max-width: 580px;
  color: var(--text-dim);
  font-size: clamp(1rem, 2.4vw, 1.12rem);
}

.hero__scroll {
  margin-top: 56px;
  width: 28px;
  height: 46px;
  border: 2px solid rgba(255, 255, 255, .22);
  border-radius: 20px;
  display: grid;
  place-items: start center;
  padding-top: 8px;
}

.hero__scroll span {
  width: 4px;
  height: 8px;
  border-radius: 4px;
  background: var(--accent);
  animation: wheel 1.8s ease-in-out infinite;
}

@keyframes wheel {
  0%, 100% { transform: translateY(0); opacity: 1; }
  60%      { transform: translateY(16px); opacity: .1; }
}

/* ===== layout ===== */
.wrap {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  padding: 0 16px 80px;
}

/* ===== cards ===== */
.card {
  position: relative;
  margin: 0 0 20px;
  padding: 30px 28px 26px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  transition: border-color .35s ease, transform .35s ease;
}

@media (hover: hover) {
  .card:hover {
    border-color: rgba(111, 143, 255, .38);
    transform: translateY(-2px);
  }
}

.card__num {
  position: absolute;
  top: -14px;
  left: 26px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  font-size: .95rem;
  font-weight: 700;
  color: #0b0f1a;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  box-shadow: 0 6px 18px -6px rgba(111, 143, 255, .8);
}

.card h2 {
  margin: 6px 0 14px;
  font-size: clamp(1.15rem, 3.4vw, 1.4rem);
  font-weight: 700;
  letter-spacing: -.015em;
}

.card__intro { margin: 0 0 12px; color: var(--text-dim); }

.card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.card li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 11px;
  color: #cfd7ea;
}

.card li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .68em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  opacity: .8;
}

.card li:last-child { margin-bottom: 0; }
.card strong { color: #fff; font-weight: 650; }

/* ===== payment block ===== */
.pay {
  margin-top: 22px;
  padding: 18px 20px;
  border-radius: 14px;
  background: rgba(70, 217, 192, .07);
  border: 1px solid rgba(70, 217, 192, .2);
}

.pay__label {
  margin: 0 0 12px;
  font-size: .74rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-weight: 650;
}

.pay dl { margin: 0; display: grid; gap: 10px; }
.pay dl > div { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: baseline; }
.pay dt { min-width: 130px; color: var(--text-dim); font-size: .9rem; }
.pay dd { margin: 0; font-variant-numeric: tabular-nums; font-weight: 600; }
.pay a { color: var(--accent-2); }

/* ===== accept section ===== */
.accept {
  margin-top: 44px;
  padding: 34px 28px 30px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(111, 143, 255, .10), rgba(255, 255, 255, .03));
  border: 1px solid rgba(111, 143, 255, .26);
  box-shadow: var(--shadow);
}

.accept__title {
  margin: 0 0 8px;
  font-size: clamp(1.3rem, 4vw, 1.7rem);
  font-weight: 750;
  letter-spacing: -.02em;
}

.accept__lead { margin: 0 0 26px; color: var(--text-dim); }

.field { margin-bottom: 18px; }

.field label {
  display: block;
  margin-bottom: 7px;
  font-size: .88rem;
  font-weight: 600;
  color: #c6cfe6;
}

.req { color: var(--accent); }
.opt { color: var(--text-dim); font-weight: 400; }

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 13px 15px;
  font: inherit;
  color: var(--text);
  background: rgba(0, 0, 0, .28);
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 12px;
  outline: none;
  transition: border-color .2s, box-shadow .2s, background .2s;
}

input::placeholder { color: #6b7694; }

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(111, 143, 255, .16);
  background: rgba(0, 0, 0, .4);
}

input.invalid {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px rgba(255, 107, 107, .14);
}

/* custom checkbox */
.check {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  margin: 22px 0 26px;
  cursor: pointer;
  user-select: none;
}

.check input { position: absolute; opacity: 0; width: 0; height: 0; }

.check__box {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  margin-top: 1px;
  border: 2px solid rgba(255, 255, 255, .26);
  border-radius: 7px;
  background: rgba(0, 0, 0, .25);
  position: relative;
  transition: border-color .2s, background .2s, transform .15s;
}

.check__box::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 11px;
  height: 6px;
  border-left: 2.5px solid #0b0f1a;
  border-bottom: 2.5px solid #0b0f1a;
  transform: rotate(-45deg) scale(0);
  transform-origin: center;
  transition: transform .18s cubic-bezier(.2, 1.6, .4, 1);
  margin-top: -2px;
}

.check input:checked + .check__box {
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  border-color: transparent;
}

.check input:checked + .check__box::after { transform: rotate(-45deg) scale(1); }
.check input:focus-visible + .check__box { box-shadow: 0 0 0 4px rgba(111, 143, 255, .2); }
.check:active .check__box { transform: scale(.92); }
.check__text { font-size: .94rem; color: #cfd7ea; line-height: 1.55; }
.check.invalid .check__box { border-color: var(--danger); }

/* button */
.btn {
  position: relative;
  width: 100%;
  padding: 15px 22px;
  font: inherit;
  font-weight: 700;
  font-size: 1rem;
  color: #0a0e18;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  border: 0;
  border-radius: 13px;
  cursor: pointer;
  overflow: hidden;
  transition: transform .15s ease, box-shadow .25s ease, opacity .2s;
  box-shadow: 0 12px 30px -12px rgba(111, 143, 255, .9);
}

@media (hover: hover) {
  .btn:hover { transform: translateY(-2px); box-shadow: 0 18px 38px -14px rgba(111, 143, 255, 1); }
}
.btn:active { transform: translateY(0) scale(.99); }
.btn:disabled { opacity: .65; cursor: not-allowed; transform: none; }

.btn__spinner {
  display: none;
  position: absolute;
  inset: 0;
  margin: auto;
  width: 19px;
  height: 19px;
  border: 2.5px solid rgba(10, 14, 24, .3);
  border-top-color: #0a0e18;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

.btn.loading .btn__label { opacity: 0; }
.btn.loading .btn__spinner { display: block; }

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

.form-msg {
  margin: 14px 0 0;
  min-height: 1.2em;
  font-size: .9rem;
  color: var(--danger);
}

/* success */
.success { text-align: center; padding: 18px 0 6px; }

.success__mark { width: 78px; height: 78px; margin: 0 auto 16px; }

.success__mark svg { width: 100%; height: 100%; fill: none; }

.success__mark circle {
  stroke: var(--ok);
  stroke-width: 2.5;
  stroke-dasharray: 160;
  stroke-dashoffset: 160;
  animation: draw .6s ease forwards;
}

.success__mark path {
  stroke: var(--ok);
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 40;
  stroke-dashoffset: 40;
  animation: draw .35s .5s ease forwards;
}

@keyframes draw { to { stroke-dashoffset: 0; } }

.success h3 { margin: 0 0 6px; font-size: 1.4rem; }
.success p { margin: 0; color: var(--text-dim); }

/* ===== footer ===== */
.foot {
  margin-top: 46px;
  text-align: center;
  color: #5f6a85;
  font-size: .82rem;
}

/* ===== reveal animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s cubic-bezier(.2, .7, .3, 1) var(--d, 0s),
              transform .7s cubic-bezier(.2, .7, .3, 1) var(--d, 0s);
  will-change: opacity, transform;
}

.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .bg-glow, .hero__scroll span { animation: none; }
  html { scroll-behavior: auto; }
}

@media (max-width: 520px) {
  .card { padding: 26px 20px 22px; }
  .accept { padding: 28px 20px 26px; }
  .pay dt { min-width: 100%; }
}

/* atrybut hidden musi wygrywać z regułami display w klasach */
[hidden] { display: none !important; }