:root {
  --steel-100: #eef2f7;
  --steel-300: #c9d2dd;
  --steel-400: #9aa6b4;
  --steel-500: #6c7b8c;
  --ink:       #0b0d10;
  --panel-bg:  rgba(18, 21, 26, 0.72);
  --panel-brd: rgba(150, 168, 190, 0.22);
  --field-bg:  rgba(9, 11, 14, 0.55);
  --field-brd: rgba(150, 168, 190, 0.28);
  --accent:    #d7e0ec;
  --accent-2:  #7f8b9b;
  --error:     #ff6b6b;
  --ok:        #7ee0a8;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--steel-100);
  background: #0a0c0f url("../assets/steel-bg.svg") center / cover no-repeat fixed;
  -webkit-font-smoothing: antialiased;
}

/* Pełne okno urządzenia, treść wyśrodkowana */
.stage {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 48px);
}

.panel {
  width: 100%;
  max-width: 560px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-brd);
  border-radius: 16px;
  padding: clamp(22px, 5vw, 40px);
  backdrop-filter: blur(10px) saturate(120%);
  -webkit-backdrop-filter: blur(10px) saturate(120%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.06) inset,
    0 24px 60px rgba(0, 0, 0, 0.55);
}

/* Marka / logo */
.brand {
  text-align: center;
  margin-bottom: clamp(20px, 4vw, 30px);
}

.logo {
  width: min(78%, 380px);
  height: auto;
  display: block;
  margin: 0 auto 10px;
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.5));
}

.tagline {
  margin: 0;
  font-size: clamp(0.78rem, 2.4vw, 0.95rem);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--steel-400);
  font-weight: 600;
}

/* Formularz */
.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.row {
  display: flex;
  gap: 16px;
}
.row .field { flex: 1 1 0; min-width: 0; }

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--steel-300);
}

.req { color: var(--accent); }
.opt { color: var(--accent-2); font-weight: 400; font-size: 0.76rem; }

input[type="email"],
input[type="tel"],
input[type="text"],
textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 0.95rem;
  color: var(--steel-100);
  background: var(--field-bg);
  border: 1px solid var(--field-brd);
  border-radius: 10px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

input::placeholder,
textarea::placeholder { color: #5f6b78; }

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(9, 11, 14, 0.75);
  box-shadow: 0 0 0 3px rgba(215, 224, 236, 0.14);
}

textarea { resize: vertical; min-height: 110px; }

input:invalid:not(:placeholder-shown):not(:focus) {
  border-color: rgba(255, 107, 107, 0.55);
}

/* Honeypot — niewidoczny dla ludzi, dostępny dla botów */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Zgoda RODO */
.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 400;
  line-height: 1.45;
  color: var(--steel-300);
  cursor: pointer;
}
.consent input {
  margin-top: 2px;
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  flex: 0 0 auto;
}

/* Przycisk */
.submit {
  margin-top: 6px;
  padding: 14px 20px;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  background: linear-gradient(180deg, #eef2f7 0%, #c2cdda 48%, #97a4b4 100%);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.08s ease, filter 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.4);
}
.submit:hover { filter: brightness(1.06); }
.submit:active { transform: translateY(1px); }
.submit:disabled { opacity: 0.6; cursor: default; filter: grayscale(0.3); }

/* Status */
.status {
  margin: 4px 0 0;
  min-height: 1.2em;
  font-size: 0.86rem;
  text-align: center;
}
.status.error { color: var(--error); }
.status.ok    { color: var(--ok); }

@media (max-width: 460px) {
  .row { flex-direction: column; gap: 16px; }
}