/* SMART-IT Corporate Design */
:root {
  --color-primary:    #49687c;
  --color-primary-dk: #375260;
  --color-accent:     #afc905;
  --color-accent-dk:  #8fa804;
  --color-hellgruen:  #ebf0c8;
  --color-hellblau:   #D2D9DF;
  --color-bg:         #f4f6f8;
  --color-text:       #1e2a33;
  --color-muted:      #5a6e7a;
  --color-border:     #c5cfd7;
  --color-danger:     #c0392b;
  --color-warning-bg: #fff8e1;
  --color-warning-bd: #f9ca24;
  --color-info-bg:    #e8f4f8;
  --color-info-bd:    #49687c;
  --font-family: 'Bahnschrift', 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(73,104,124,.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Layout ─────────────────────────────────── */
.container {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1rem;
}

.main-content { flex: 1; padding: 2rem 1rem; }

/* ── Header / Banner ─────────────────────────── */
.site-header {
  background: #1a1a1a;
  color: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,.4);
}

.header-banner {
  position: relative;
  background:
    linear-gradient(rgba(20,30,38,.72), rgba(20,30,38,.72)),
    url('/img/header-bg.jpg') center/cover no-repeat;
  background-color: #2c3e4a;
  padding: 1.6rem 2rem 1.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
}

/* Logo-Zeile mit Linien */
.header-logo-row {
  display: flex;
  align-items: center;
  gap: .75rem;
  width: 100%;
  max-width: 520px;
}

.header-line {
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,.45);
}

.header-logo-icon {
  height: 28px;
  width: auto;
}

.header-logo-text {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: #fff;
  white-space: nowrap;
}

/* IT4BUSINESS Claim */
.header-claim {
  font-size: clamp(2.2rem, 7vw, 4rem);
  font-weight: 900;
  letter-spacing: .04em;
  line-height: 1;
  text-transform: uppercase;
}

.claim-it      { color: #fff; }
.claim-4       { color: var(--color-accent); }
.claim-business { color: #fff; }

/* ── Footer ─────────────────────────────────── */
.site-footer {
  background: var(--color-primary);
  color: var(--color-hellblau);
  font-size: .82rem;
  padding: .75rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
}

.footer-slogan {
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: .05em;
}

/* ── Card ────────────────────────────────────── */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.card-success { border-top: 4px solid var(--color-accent); }
.card-burned  { border-top: 4px solid var(--color-danger); }

.card-title {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: .5rem;
}

.card-desc {
  color: var(--color-muted);
  margin-bottom: 1.5rem;
  font-size: .97rem;
}

/* ── Icon Badge ──────────────────────────────── */
.icon-badge {
  font-size: 2.2rem;
  margin-bottom: .75rem;
  display: block;
}

/* ── Forms ───────────────────────────────────── */
.secret-form { display: flex; flex-direction: column; gap: 1.1rem; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 520px) { .form-row { grid-template-columns: 1fr; } }

.form-group {
  display: flex;
  flex-direction: column;
  gap: .3rem;
}

label {
  font-weight: 600;
  font-size: .9rem;
  color: var(--color-primary);
}

.required { color: var(--color-danger); }

.form-control {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: .6rem .85rem;
  font-family: var(--font-family);
  font-size: .97rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color .2s;
  width: 100%;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
}

textarea.form-control { resize: vertical; min-height: 130px; }

.hint {
  font-size: .78rem;
  color: var(--color-muted);
}

/* ── Buttons ─────────────────────────────────── */
.btn {
  display: inline-block;
  padding: .65rem 1.4rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  font-family: var(--font-family);
  font-size: .97rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, color .15s, border-color .15s;
  letter-spacing: .02em;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dk);
  border-color: var(--color-primary-dk);
}

.btn-accent {
  background: var(--color-accent);
  color: #1e2a33;
  border-color: var(--color-accent);
}
.btn-accent:hover {
  background: var(--color-accent-dk);
  border-color: var(--color-accent-dk);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-hellblau);
}

.btn-sm { padding: .4rem .9rem; font-size: .87rem; }

/* ── Link Box ────────────────────────────────── */
.link-box {
  display: flex;
  gap: .6rem;
  align-items: stretch;
  margin-bottom: .5rem;
}

.link-input {
  flex: 1;
  font-size: .88rem;
  color: var(--color-muted);
  background: var(--color-hellblau);
  cursor: text;
}

.copy-msg {
  font-size: .82rem;
  color: var(--color-accent-dk);
  font-weight: 600;
  min-height: 1.2em;
  margin-bottom: .75rem;
}

/* ── Secret Box ──────────────────────────────── */
.secret-box {
  background: var(--color-hellblau);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: .75rem;
  position: relative;
}

.secret-content {
  white-space: pre-wrap;
  word-break: break-all;
  font-family: 'Courier New', Courier, monospace;
  font-size: .93rem;
  color: var(--color-text);
  margin-bottom: .75rem;
}

/* ── Alerts ──────────────────────────────────── */
.alert {
  border-radius: var(--radius);
  padding: .75rem 1rem;
  font-size: .9rem;
  margin-bottom: 1rem;
}

.alert-error {
  background: #fdecea;
  border-left: 4px solid var(--color-danger);
  color: var(--color-danger);
}

.alert-warning {
  background: var(--color-warning-bg);
  border-left: 4px solid var(--color-warning-bd);
  color: #7d6500;
}

.alert-info {
  background: var(--color-info-bg);
  border-left: 4px solid var(--color-info-bd);
  color: var(--color-primary);
}

/* ── How it works ────────────────────────────── */
.how-it-works {
  padding: 1.25rem 0 .5rem;
}

.how-it-works h2 {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: .75rem;
  font-weight: 700;
}

.steps {
  padding-left: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  color: var(--color-muted);
  font-size: .93rem;
}

.steps li strong { color: var(--color-text); }