/* ===== DKAIS – Shared Styles ===== */

@font-face {
  font-family: "IBM Plex Sans";
  src: url("../assets/fonts/ibm-plex-sans-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("../assets/fonts/ibm-plex-sans-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("../assets/fonts/ibm-plex-sans-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../assets/fonts/ibm-plex-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("../assets/fonts/ibm-plex-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

:root {
  --color-primary: #1f4fa8;
  --color-primary-dark: #173c82;
  --color-primary-on-dark: #9dbcf5;
  --color-ink: #1b2127;
  --color-bg: #f5f3ee;
  --color-surface: #fbfaf7;
  --color-text: #1b2127;
  --color-text-muted: #545d67;
  --color-text-on-dark: #c9ced4;
  --color-border: #d6d2c8;
  --color-border-dark: #3a424b;
  --color-todo: #ffe58a;
  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --radius: 4px;
  --max-width: 1080px;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
}

img {
  display: block;
}

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

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h1 {
  max-width: 20ch;
  font-size: clamp(2.25rem, 6vw, 4rem);
}

h2 {
  font-size: clamp(1.75rem, 3.6vw, 2.5rem);
}

h3 {
  font-size: 1.125rem;
  line-height: 1.3;
  letter-spacing: 0;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 20;
  padding: 10px 14px;
  color: #fff;
  background: var(--color-ink);
}

.skip-link:focus {
  top: 12px;
}

.eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-primary);
}

/* ===== Header ===== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  min-height: 68px;
  margin: 0 auto;
  padding: 0 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-ink);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a:not(.btn) {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  text-decoration: none;
}

.nav-links a:not(.btn):hover {
  color: var(--color-ink);
}

/* ===== Buttons ===== */

.btn {
  display: inline-block;
  padding: 13px 24px;
  font: inherit;
  font-weight: 500;
  color: #fff;
  text-decoration: none;
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-small {
  padding: 7px 16px;
  font-size: 0.9375rem;
}

.btn-ghost {
  color: var(--color-ink);
  background: transparent;
  border-color: var(--color-ink);
}

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

.btn-light {
  color: var(--color-ink);
  background: var(--color-bg);
  border-color: var(--color-bg);
}

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

/* ===== Hero ===== */

.hero {
  padding: clamp(56px, 9vw, 104px) 0 clamp(48px, 7vw, 80px);
}

.lead {
  max-width: 56ch;
  margin: 24px 0 0;
  font-size: clamp(1.125rem, 2vw, 1.3125rem);
  line-height: 1.55;
  color: var(--color-text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.flow {
  margin: clamp(48px, 7vw, 80px) 0 0;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-ink);
}

.flow-steps li {
  position: relative;
  padding: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.flow-steps li::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 1px;
  height: 13px;
  background: var(--color-ink);
}

.flow-steps .is-marked {
  font-weight: 500;
  color: var(--color-primary);
}

.flow-steps .is-marked::before {
  top: -6px;
  width: 11px;
  height: 11px;
  background: var(--color-primary);
  border-radius: 50%;
}

.flow figcaption {
  margin-top: 20px;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* ===== Sections ===== */

.section {
  padding: clamp(64px, 9vw, 104px) 0;
  border-top: 1px solid var(--color-border);
}

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

.section-dark {
  color: var(--color-text-on-dark);
  background: var(--color-ink);
  border-top-color: var(--color-ink);
}

.section-dark h2 {
  color: #fff;
}

.section-dark .eyebrow {
  color: var(--color-primary-on-dark);
}

.section-dark a {
  color: var(--color-primary-on-dark);
}

.section-dark :focus-visible {
  outline-color: var(--color-primary-on-dark);
}

.section-head {
  max-width: 640px;
  margin-bottom: clamp(36px, 5vw, 56px);
}

.section-intro {
  margin: 16px 0 0;
}

/* ===== Ansatzpunkte ===== */

.points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.point {
  padding: 26px 24px 28px;
  background: var(--color-bg);
}

.point p {
  margin: 8px 0 0;
  font-size: 1rem;
  color: var(--color-text-muted);
}

/* ===== Leistungen ===== */

.service {
  display: grid;
  grid-template-columns: 120px minmax(0, 660px);
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

.service:first-child {
  padding-top: 32px;
  border-top: 1px solid var(--color-ink);
}

.service-no {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--color-primary);
}

.service h3 {
  font-size: 1.375rem;
}

.service p:not(.service-no) {
  margin: 12px 0 0;
  color: var(--color-text-muted);
}

/* ===== Arbeitsweise ===== */

.principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px 56px;
  margin: 0;
}

.principles dt {
  font-weight: 600;
}

.principles dd {
  margin: 6px 0 0;
  color: var(--color-text-muted);
}

/* ===== Über mich ===== */

.about {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 56px;
}

.about .section-head {
  margin-bottom: 0;
}

.about-text p {
  margin: 0 0 16px;
}

.about-text p:last-child {
  margin-bottom: 0;
}

/* ===== Kontakt ===== */

.contact {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 56px;
}

.contact .section-head {
  margin-bottom: 0;
}

.contact-form {
  min-width: 0;
}

.hidden-field {
  position: absolute;
  left: -9999px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-field {
  min-width: 0;
  margin-bottom: 18px;
}

.form-field label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: #fff;
}

.optional {
  margin-left: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-on-dark);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 11px 13px;
  font: inherit;
  color: var(--color-ink);
  background: var(--color-bg);
  border: 1px solid var(--color-bg);
  border-radius: var(--radius);
}

.form-field textarea {
  resize: vertical;
}

.form-note {
  margin: 0 0 20px;
  font-size: 0.875rem;
}

/* ===== Footer ===== */

.site-footer {
  padding: 26px 0;
  font-size: 0.9375rem;
  color: var(--color-text-on-dark);
  background: var(--color-ink);
  border-top: 1px solid var(--color-border-dark);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.site-footer a {
  color: var(--color-text-on-dark);
}

.site-footer a:hover {
  color: #fff;
}

/* ===== Textseiten ===== */

.page {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(48px, 7vw, 80px) 24px clamp(64px, 9vw, 104px);
}

.page h1 {
  max-width: none;
  margin-bottom: 32px;
  font-size: clamp(2rem, 5vw, 2.75rem);
}

.page h2 {
  margin: 40px 0 10px;
  font-size: 1.3125rem;
  line-height: 1.3;
  letter-spacing: 0;
}

.page h3 {
  margin: 24px 0 6px;
  font-size: 1.0625rem;
}

.page p,
.page ul {
  margin: 0 0 14px;
}

.page ul {
  padding-left: 20px;
}

.page-stand {
  margin-top: 40px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Offene Angaben: müssen vor dem Livegang ersetzt sein */
.todo {
  padding: 0 4px;
  background: var(--color-todo);
}

/* ===== Responsive ===== */

@media (max-width: 860px) {
  .points,
  .principles,
  .about,
  .contact {
    grid-template-columns: 1fr;
  }

  .about,
  .contact {
    gap: 32px;
  }

  .point {
    padding: 20px;
  }

  .service {
    grid-template-columns: 56px minmax(0, 1fr);
  }

  .nav-optional {
    display: none;
  }
}

@media (max-width: 560px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .hero-actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }

  /* Prozessleiste wird zur senkrechten Linie */
  .flow-steps {
    grid-template-columns: 1fr;
    gap: 14px;
    padding-left: 20px;
    border-top: 0;
    border-left: 1px solid var(--color-ink);
  }

  .flow-steps li {
    padding: 0;
  }

  .flow-steps li::before {
    top: 11px;
    left: -27px;
    width: 13px;
    height: 1px;
  }

  .flow-steps .is-marked::before {
    top: 6px;
    left: -26px;
    width: 11px;
    height: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn {
    transition: none;
  }
}