/* =========================================================
   EPR GO — Landingpage Stylesheet
   Design-Tokens: seriös / korporate, Blautöne + Messing-Akzent
   ========================================================= */

:root {
  /* Farben */
  --ink:        #0D2444;   /* Haupttext, Überschriften */
  --brand:      #1B4C87;   /* Primärblau */
  --brand-deep: #0A2D57;   /* dunkles Blau — Nav/Footer */
  --mist:       #EAF0F8;   /* helle Sektions-Flächen */
  --paper:      #FAFAF8;   /* Basis-Hintergrund, leicht warm */
  --line:       #D7E1EE;   /* Trennlinien */
  --stamp:      #B8752E;   /* Messing/Stempel-Akzent für CTAs */
  --stamp-dark: #96591C;
  --ok:         #2E7D5B;

  /* Typografie */
  --font-display: Iowan Old Style, Palatino Linotype, URW Palladio L, Georgia, serif;
  --font-body: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica Neue, Arial, sans-serif;
  --font-mono: SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;

  --radius: 10px;
  --shadow: 0 12px 32px -16px rgba(13, 36, 68, 0.28);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: var(--brand); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 0.5em;
  color: var(--ink);
}

h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); font-weight: 500; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stamp-dark);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  margin-bottom: 0.9em;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--stamp);
  display: inline-block;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 88px 0; }
.section--mist { background: var(--mist); }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head p { color: #3C557A; font-size: 1.05rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 13px 26px;
  border-radius: 7px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn--primary {
  background: var(--stamp);
  color: #fff;
  box-shadow: 0 10px 24px -10px rgba(184, 117, 46, 0.6);
}
.btn--primary:hover { background: var(--stamp-dark); transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 2px;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(250, 250, 248, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1120px;
  margin: 0 auto;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.logo span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--stamp-dark);
  font-weight: 500;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__links a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
.nav__links a:hover { color: var(--brand); }
.nav__cta { display: none; }
@media (min-width: 760px) { .nav__cta { display: inline-flex; } }
.nav__menu-toggle { display: none; }

/* Hero */
.hero {
  padding: 76px 0 96px;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 880px) {
  .hero__grid { grid-template-columns: 1fr; }
}
.hero__actions {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.hero__actions a.link {
  color: var(--brand);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
}
.hero__lede {
  font-size: 1.14rem;
  color: #3C557A;
  max-width: 46ch;
}

/* Signature: invoice card */
.invoice-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px 30px 24px;
  position: relative;
  transform: rotate(1.2deg);
}
.invoice-card::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed #C6D5E8;
  border-radius: 6px;
  pointer-events: none;
}
.invoice-card__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #6B7F9C;
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
  margin-bottom: 16px;
}
.invoice-card__head strong {
  display: block;
  font-family: var(--font-body);
  font-size: 1rem;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink);
  margin-top: 4px;
}
.invoice-card__rows { list-style: none; margin: 0 0 18px; padding: 0; }
.invoice-card__rows li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dotted var(--line);
  font-size: 0.92rem;
}
.invoice-card__rows li span:last-child {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #6B7F9C;
}
.invoice-card__total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
}
.invoice-card__total .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6B7F9C;
}
.invoice-card__total .value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--ink);
}
.stamp-badge {
  position: absolute;
  top: -14px;
  right: -14px;
  background: var(--stamp);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 12px;
  border-radius: 999px;
  transform: rotate(6deg);
  box-shadow: 0 8px 18px -8px rgba(184, 117, 46, 0.7);
}

/* Pain points */
.pain-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.pain-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.98rem;
  color: #2B3E5C;
}
.pain-list li svg { flex-shrink: 0; margin-top: 3px; color: var(--stamp); }

/* Value cards */
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 920px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
}
.card__icon {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  background: var(--mist);
  color: var(--brand);
  margin-bottom: 16px;
}
.card h3 { margin-bottom: 8px; }
.card p { font-size: 0.94rem; color: #46577A; margin: 0; }

/* Process */
.process {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  counter-reset: step;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}
@media (max-width: 780px) { .process { grid-template-columns: 1fr; } }
.process__step {
  padding: 34px 28px;
  position: relative;
}
.process__step:not(:last-child) { border-right: 1px solid var(--line); }
@media (max-width: 780px) {
  .process__step:not(:last-child) { border-right: none; border-bottom: 1px solid var(--line); }
}
.process__num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--stamp-dark);
  letter-spacing: 0.06em;
  margin-bottom: 14px;
  display: block;
}
.process__step p { font-size: 0.94rem; color: #46577A; margin: 0; }

/* Für wen */
.audience {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 780px) { .audience { grid-template-columns: 1fr; } }
.audience ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.audience li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 1rem; color: var(--ink);
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.audience li svg { color: var(--ok); flex-shrink: 0; margin-top: 2px; }

/* FAQ */
.faq { max-width: 780px; }
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 0;
  font-weight: 600;
  font-size: 1.02rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--stamp);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding-bottom: 20px; color: #46577A; max-width: 66ch; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
}
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-info__item {
  margin-bottom: 22px;
}
.contact-info__item .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--stamp-dark);
  display: block;
  margin-bottom: 6px;
}

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}
.form-row { margin-bottom: 20px; }
.form-row--split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 520px) { .form-row--split { grid-template-columns: 1fr; } }
label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; color: var(--ink); }
label .opt { font-weight: 400; color: #8092AC; }
input[type="text"], input[type="email"], input[type="tel"], select, textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.96rem;
  color: var(--ink);
  background: var(--paper);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(27, 76, 135, 0.14);
}
textarea { resize: vertical; min-height: 90px; }

fieldset { border: none; padding: 0; margin: 0; }
legend { font-weight: 600; font-size: 0.9rem; margin-bottom: 10px; padding: 0; }
.check-row { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 10px; }
.check-row input { width: auto; margin-top: 3px; }
.check-row label { font-weight: 400; font-size: 0.92rem; margin: 0; }

.consent { display: flex; align-items: flex-start; gap: 10px; margin: 24px 0 22px; }
.consent input { width: auto; margin-top: 4px; }
.consent label { font-weight: 400; font-size: 0.86rem; color: #46577A; margin: 0; }
.consent a { color: var(--brand); }

.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-success, .form-error {
  border-radius: 8px;
  padding: 16px 18px;
  margin-bottom: 24px;
  font-size: 0.94rem;
  display: none;
}
.form-success { background: #E7F3EC; color: var(--ok); border: 1px solid #BFE0CC; }
.form-error { background: #FBEAEA; color: #A23636; border: 1px solid #F0C6C6; }
body.state-sent .form-success { display: block; }
body.state-sent .form-card form { display: none; }
body.state-error .form-error { display: block; }

/* Footer */
footer {
  background: var(--brand-deep);
  color: #C9D9EE;
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }
footer h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #8FA9CC;
  margin: 0 0 14px;
}
footer .logo { color: #fff; }
footer .logo span { color: #C98E4D; }
footer p { color: #A9BEDB; font-size: 0.92rem; max-width: 38ch; }
footer a { color: #C9D9EE; text-decoration: none; font-size: 0.92rem; }
footer a:hover { color: #fff; }
footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 22px;
  font-size: 0.82rem;
  color: #7E96BB;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* Reveal-on-scroll (subtil) */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* Legal pages (Impressum/Datenschutz) */
.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}
.legal h1 { margin-bottom: 0.3em; }
.legal h2 { font-size: 1.2rem; margin-top: 2em; }
.legal p, .legal li { color: #33475F; font-size: 0.98rem; }
.legal a.back { display: inline-block; margin-bottom: 28px; font-size: 0.9rem; color: var(--brand); text-decoration: none; }