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

/* ── Design Tokens (1:1 domaincheck.lucas-orth.de) ───────── */
:root {
  --color-accent:          #1E40AF;
  --color-accent-hover:    #1E378A;
  --color-ink:             #111827;
  --color-ink-muted:       #6B7280;
  --color-ink-light:       #9CA3AF;
  --color-surface:         #FFFFFF;
  --color-surface-offset:  #FAFAFA;  /* footer bg */
  --color-surface-section: #F3F4F6;  /* hero + steps section bg */
  --color-border:          #E5E7EB;
  --color-border-strong:   #D1D5DB;  /* step numbers */
  --color-success:         #16A34A;
  --color-success-bg:      #F0FDF4;
  --color-success-border:  #BBF7D0;
  --color-error:           #DC2626;
  --color-error-bg:        #FEF2F2;
  --color-error-border:    #FECACA;

  --font-heading: 'Space Grotesk', sans-serif;
  --font-body:    'Manrope', sans-serif;

  --radius:      4px;
  --shadow-card: 0 1px 4px 0 rgba(0,0,0,0.07), 0 1px 2px -1px rgba(0,0,0,0.05);
  --transition:  180ms;
}

/* ── Base ────────────────────────────────────────────────── */
html {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-ink);
  background: var(--color-surface-section);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { text-decoration: none; color: inherit; }

/* ── Page ────────────────────────────────────────────────── */
.page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ── Container (max-w-5xl = 1024px, px-6 = 24px) ────────── */
.container {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header ──────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  height: 64px;
  flex-shrink: 0;
}

.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo: h-[45px] wie im Domainchecker */
.logo {
  height: 45px;
  width: auto;
  object-fit: contain;
  display: block;
}

/* ── Hero Section ────────────────────────────────────────── */
/* bg-surface-section border-b border-border, py-20 md:py-28 */
.hero {
  background: var(--color-surface-section);
  border-bottom: 1px solid var(--color-border);
  padding: 80px 0;
  flex: 1;
}

@media (min-width: 768px) {
  .hero { padding: 112px 0; }
}

.hero__inner { max-width: 672px; } /* max-w-xl ≈ max-w-2xl für form */

/* ── Eyebrow ─────────────────────────────────────────────── */
/* text-sm font-semibold tracking-widest uppercase text-accent mb-4 */
.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

/* ── Hero Title ──────────────────────────────────────────── */
/* text-4xl md:text-6xl leading-tight mb-4 */
.hero-title {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.hero-title .accent { color: var(--color-accent); }

@media (min-width: 768px) {
  .hero-title { font-size: 60px; line-height: 1.1; }
}

/* ── Lead Text ───────────────────────────────────────────── */
/* text-lg mb-10 max-w-xl */
.lead {
  font-size: 18px;
  color: var(--color-ink-muted);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 512px;
}

/* ── Hero Form ───────────────────────────────────────────── */
/* max-w-2xl = 672px */
.hero-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 672px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink);
}

/* Textarea: h-14 equivalent stacked, border-btn focus */
.textarea,
.input {
  width: 100%;
  padding: 12px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-ink);
  background: var(--color-surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.6;
}

.textarea::placeholder,
.input::placeholder {
  color: var(--color-ink-light);
}

.textarea:focus,
.input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(30, 64, 175, 0.15);
}

.input--mono {
  font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
  font-size: 13px;
  color: var(--color-ink-muted);
  background: #F9FAFB;
  word-break: break-all;
}

/* ── Hint ────────────────────────────────────────────────── */
/* text-xs text-ink-light mt-4 */
.hint {
  font-size: 12px;
  color: var(--color-ink-light);
  margin-top: 4px;
}

/* ── Buttons ─────────────────────────────────────────────── */
/* px-4 py-3 font-semibold text-base rounded-btn transition */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background-color var(--transition), opacity var(--transition);
  white-space: nowrap;
  line-height: 1;
  -webkit-appearance: none;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn--primary {
  background: var(--color-accent);
  color: #FAFAFA;
}
.btn--primary:hover:not(:disabled) {
  background: var(--color-accent-hover);
}

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-ink);
  border: 1px solid var(--color-border-strong);
}
.btn--secondary:hover:not(:disabled) { background: #F9FAFB; }

.btn--ghost {
  background: transparent;
  color: var(--color-ink-muted);
  font-weight: 500;
}
.btn--ghost:hover:not(:disabled) {
  background: var(--color-border);
  color: var(--color-ink);
}

.btn--copied {
  background: var(--color-success-bg) !important;
  color: var(--color-success) !important;
  border-color: var(--color-success-border) !important;
}

/* ── Alert ───────────────────────────────────────────────── */
.alert {
  padding: 11px 14px;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.5;
}
.alert--error {
  background: var(--color-error-bg);
  color: var(--color-error);
  border: 1px solid var(--color-error-border);
}

/* ── Link Row ────────────────────────────────────────────── */
.link-row { display: flex; gap: 8px; align-items: stretch; }
.link-row .input { flex: 1; min-width: 0; }

/* ── Success State ───────────────────────────────────────── */
.success-icon {
  width: 52px;
  height: 52px;
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
}

/* ── Steps Section ───────────────────────────────────────── */
/* bg-surface-section py-20 – gleicher Hintergrund wie Hero, weiße Karten */
.section-steps {
  background: var(--color-surface-section);
  padding: 80px 0;
}

.section-steps .lead { margin-bottom: 0; }

/* Section heading: text-3xl md:text-4xl */
.section-title {
  font-family: var(--font-heading);
  font-size: 30px;
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.2;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

@media (min-width: 768px) {
  .section-title { font-size: 36px; }
}

/* mb-12 */
.section-header { margin-bottom: 48px; }

/* grid grid-cols-1 md:grid-cols-3 gap-6 */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 768px) {
  .steps-grid { grid-template-columns: 1fr; }
}

/* bg-white rounded-card border border-border p-7 shadow-card */
.step-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 28px;
}

/* text-4xl font-semibold text-border-strong leading-none block mb-4 */
.step-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 600;
  color: var(--color-border-strong);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

/* font-heading text-lg text-ink mb-2 */
.step-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 8px;
}

/* text-sm text-ink-muted leading-relaxed */
.step-text {
  font-size: 14px;
  color: var(--color-ink-muted);
  line-height: 1.65;
}

/* ── Footer ──────────────────────────────────────────────── */
/* border-t border-border bg-surface-offset py-8 */
.footer {
  background: var(--color-surface-offset);
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
  flex-shrink: 0;
  margin-top: auto;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-ink-light);
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .footer__inner { flex-direction: column; text-align: center; }
}

.footer__links { display: flex; gap: 20px; }

.footer a {
  color: var(--color-ink-light);
  text-decoration: none;
  transition: color var(--transition);
}
.footer a:hover { color: var(--color-accent); }