/* ========================================
   Daniel Blaschke – One-Pager Styles
   ======================================== */

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

:root {
  --color-base: #F1F5F9;
  --color-surface: #E4ECF4;
  --color-primary: #0B1F2A;
  --color-secondary: #243B4A;
  --color-accent: #22D3EE;
  --color-text: #0B1F2A;
  --color-text-light: #243B4A;
  --color-border: rgba(11, 31, 42, 0.15);
  --color-white: #ffffff;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1080px;
  --header-height: 108px;
}

html {
  font-size: 17px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
[type="checkbox"]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

ul, ol {
  list-style: none;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container--narrow {
  max-width: 720px;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-base);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  white-space: nowrap;
  align-self: flex-start;
  margin-top: -2.5rem;
  margin-left: -5rem;
}

.nav-logo:hover {
  text-decoration: none;
}

.nav-logo-img {
  height: 128px;
  width: auto;
}

.nav-list {
  display: flex;
  gap: 1.75rem;
  align-items: center;
}

.nav-list a {
  font-size: 1rem;
  color: var(--color-text);
  transition: color 0.15s;
}

.nav-list a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.nav-cta {
  background: var(--color-accent);
  color: var(--color-white) !important;
  padding: 0.45rem 1rem;
  border-radius: 4px;
  font-weight: 600;
}

.nav-cta:hover {
  opacity: 0.9;
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  text-align: center;
  transition: opacity 0.15s, transform 0.1s;
}

.btn:hover {
  text-decoration: none;
  opacity: 0.9;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn-primary-inv {
  background: var(--color-white);
  color: var(--color-accent);
}

/* ---------- Hero ---------- */
.hero {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 5rem 0 4rem;
}

.hero-eyebrow {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
  opacity: 0.9;
}

.hero h1 {
  font-size: 2.1rem;
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.hero-sub {
  font-size: 1.15rem;
  line-height: 1.6;
  opacity: 0.92;
  margin-bottom: 2rem;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.hero-link {
  color: var(--color-white);
  opacity: 0.85;
  font-size: 0.95rem;
}

.hero-link:hover {
  opacity: 1;
}

/* ---------- Sections ---------- */
.section {
  padding: 4.5rem 0;
}

.section--surface {
  background: var(--color-surface);
}

.section h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--color-text);
}

.section-intro {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
  max-width: 640px;
}

/* ---------- Pain / Problem Section ---------- */
.pain-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  list-style: none;
}

.pain-list--stack {
  grid-template-columns: 1fr;
  max-width: 720px;
}

.pain-item {
  padding: 1.5rem 1.5rem 1.25rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: 6px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-light);
  font-style: italic;
}

/* ---------- Section CTA Band ---------- */
.section-cta-band {
  margin-top: 2.5rem;
  padding: 1.75rem 2.5rem;
  background: transparent;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.section-cta-band p {
  margin: 0;
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.5;
  flex: 1;
}

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
}

.card-grid--5 {
  grid-template-columns: repeat(6, 1fr);
  margin-bottom: 2.5rem;
}
.card-grid--5 .card {
  grid-column: span 2;
}
.card-grid--5 .card:nth-child(4) {
  grid-column: 2 / span 2;
}
.card-grid--5 .card:nth-child(5) {
  grid-column: 4 / span 2;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.75rem 1.5rem;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--color-accent);
}

.card p {
  font-size: 0.93rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ---------- Module ---------- */
.module-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.module-block {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 2rem 1.75rem;
}

.module-block h3 {
  font-size: 1.15rem;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.module-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.module-item {
  border-left: 3px solid var(--color-accent);
  padding-left: 1rem;
}

.module-item dt {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.module-item dd {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.55;
}

/* ---------- Stepper ---------- */
.stepper {
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  max-width: 640px;
}

.stepper-step {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  position: relative;
  padding-bottom: 2rem;
}

.stepper-step:last-child {
  padding-bottom: 0;
}

/* Vertical line */
.stepper-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 42px;
  width: 2px;
  bottom: 0;
  background: var(--color-border);
}

.stepper-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.95rem;
  position: relative;
  z-index: 1;
}

.stepper-step strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
}

.stepper-step p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

.stepper-time {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(34, 211, 238, 0.1);
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  margin-left: 0.5rem;
  vertical-align: middle;
}

/* ---------- Zielgruppen ---------- */
.target-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.target-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.75rem 1.5rem;
}

.target-card h3 {
  font-size: 1.1rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.target-card li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.5rem;
  font-size: 0.93rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

.target-card li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* ---------- Proof / Cases ---------- */
.proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.case-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.75rem 1.5rem;
}

.case-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  background: rgba(34, 211, 238, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  margin-bottom: 0.75rem;
}

.case-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.case-situation,
.case-action {
  font-size: 0.87rem;
  color: var(--color-text-light);
  line-height: 1.55;
  margin-bottom: 0.5rem;
}

.case-metrics {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.metric {
  display: flex;
  flex-direction: column;
}

.metric-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
}

.metric-label {
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-top: 0.15rem;
}

/* Badges / Standards */
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.badge {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.35rem 0.85rem;
  background: var(--color-white);
}

/* ---------- About Layout ---------- */
.about-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.about-bio p {
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1rem;
  color: var(--color-text-light);
}

.about-bio h3 {
  font-size: 1.05rem;
  color: var(--color-accent);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.cert-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.cert-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

.cert-list li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* Legacy about styles */
.about-compact {
  max-width: 700px;
}

.about-compact p {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.about-tags span {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.3rem 0.7rem;
  background: var(--color-surface);
}

.about-content {
  max-width: 640px;
}

.about-text p {
  margin-bottom: 1rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.about-text h3 {
  font-size: 1.05rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--color-accent);
}

.about-text li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.35rem;
  font-size: 0.93rem;
  color: var(--color-text-light);
}

.about-text li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.text-link {
  font-size: 0.9rem;
  text-decoration: underline;
}

/* ---------- Values ---------- */
.about-values h3 {
  font-size: 1.05rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

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

.value-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.25rem;
}

.value-card strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}

.value-card p {
  font-size: 0.84rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin: 0;
}

/* ---------- Outcome / Problem-Result ---------- */
.outcome-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.outcome-label {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.outcome-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.outcome-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.93rem;
  line-height: 1.5;
}

.outcome-list .icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.outcome-list--problem .icon {
  color: #c53030;
}

.outcome-list--result .icon {
  color: var(--color-accent);
}

/* ---------- Situations ---------- */
.situation-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.situation-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 0.95rem;
  line-height: 1.5;
}

.situation-list .icon {
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 2px;
}

/* ---------- Tech / Tooling ---------- */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}

.tool-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.5rem 1.25rem;
}

.tool-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-accent);
}

.tool-card p {
  font-size: 0.87rem;
  color: var(--color-text-light);
  line-height: 1.55;
}

/* ---------- Contact Form ---------- */
.contact-form {
  margin-top: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-size: 0.95rem;
  font-family: var(--font-main);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-white);
  color: var(--color-text);
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18);
}

.form-group textarea {
  resize: vertical;
}

.form-group--checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.form-group--checkbox input[type="checkbox"] {
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.form-group--checkbox label {
  font-weight: 400;
  font-size: 0.85rem;
  line-height: 1.5;
}

/* Honeypot */
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

/* ---------- Kontakt Extras ---------- */
.calendar-link {
  margin-bottom: 1rem;
}
.contact-email {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}
.contact-email:hover {
  text-decoration: underline;
}

.form-divider {
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-bottom: 1.25rem;
  text-align: center;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 3rem 0 2rem;
  font-size: 0.88rem;
}

.footer-inner {
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.footer-links a {
  color: var(--color-white);
  opacity: 0.8;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-note {
  opacity: 0.7;
  margin-bottom: 0.5rem;
  font-size: 0.82rem;
}

.footer-copy {
  opacity: 0.6;
  font-size: 0.82rem;
}

/* ---------- Legal Pages ---------- */
#impressum h2,
#datenschutz h2 {
  font-size: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

#impressum h3,
#datenschutz h3 {
  font-size: 1.1rem;
  margin-top: 1.5rem;
  margin-bottom: 0.4rem;
}

#impressum ul,
#datenschutz ul {
  margin: 0.5rem 0 1rem 1.5rem;
  line-height: 1.8;
}

.legal-note {
  margin-top: 2rem;
  padding: 1rem;
  background: var(--color-surface);
  border-radius: 6px;
  font-size: 0.9rem;
}

.legal-back {
  margin-top: 2.5rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .proof-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  /* Logo auf Mobile verkleinern */
  .nav-logo {
    margin-top: -0.5rem;
    margin-left: -1.5rem;
  }
  .nav-logo-img {
    height: 68px;
  }

  .nav-toggle {
    display: flex;
  }

  #main-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-base);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  }

  #main-nav.is-open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
    padding: 0 1.5rem;
  }

  .nav-list li {
    width: 100%;
  }

  .nav-list a {
    display: block;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-cta {
    text-align: center;
    margin-top: 0.5rem;
    border-bottom: none !important;
  }

  .hero {
    padding: 3.5rem 0 3rem;
  }

  .hero h1 {
    font-size: 1.6rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .section {
    padding: 3rem 0;
  }

  .section h2 {
    font-size: 1.35rem;
  }

  .card-grid,
  .card-grid--5 {
    grid-template-columns: 1fr;
  }

  /* card-grid--5 span-Regeln auf Mobile zurücksetzen */
  .card-grid--5 .card,
  .card-grid--5 .card:nth-child(4),
  .card-grid--5 .card:nth-child(5) {
    grid-column: auto;
  }

  /* Hero-Button volle Breite */
  .hero-actions {
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }

  .target-grid,
  .outcome-grid {
    grid-template-columns: 1fr;
  }

  .tool-grid {
    grid-template-columns: 1fr 1fr;
  }

  .pain-list {
    grid-template-columns: 1fr;
  }

  /* Fade-In-Animationen auf Mobile deaktivieren
     Verhindert leere Lücken beim Scrollen durch verzögertes IntersectionObserver-Firing */
  .fade-in {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.35rem;
  }

  .container {
    padding: 0 1rem;
  }

  .module-block {
    padding: 1.5rem 1.25rem;
  }

  .tool-grid {
    grid-template-columns: 1fr;
  }

  .case-metrics {
    flex-direction: column;
    gap: 0.75rem;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }
}