/* Konzept San – responsive onepager */

@font-face {
  font-family: "Host Grotesk";
  src: url("fonts/HostGrotesk-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Host Grotesk";
  src: url("fonts/HostGrotesk-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Host Grotesk";
  src: url("fonts/HostGrotesk-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Host Grotesk";
  src: url("fonts/HostGrotesk-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Host Grotesk";
  src: url("fonts/HostGrotesk-ExtraBold.ttf") format("truetype");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #f4f8ff;
  --paper: #ffffff;
  --soft: #eef3fb;
  --ink: #292929;
  --muted: #63666f;
  --line: #d8dee8;

  --orange: #f68b43;
  --orange-2: #f8a269;
  --orange-3: #df600c;

  --green: #86ad3f;
  --red: #e84d35;
  --purple: #7043a4;

  --shadow: 0 18px 60px rgba(22, 34, 56, 0.10);
  --shadow-soft: 0 10px 30px rgba(22, 34, 56, 0.08);

  --radius: 24px;
  --font: "Host Grotesk", "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.55;
}

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

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

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 92px;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 0 clamp(20px, 6vw, 84px);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(41, 41, 41, 0.09);
}

.brand img {
  width: 150px;
  height: auto;
}

.nav {
  margin-left: auto;
  display: flex;
  gap: 30px;
  font-size: 16px;
  color: #393b42;
}

.nav a {
  padding: 10px 0;
}

.nav a:hover {
  color: var(--orange-3);
}

.header-cta {
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 10px 18px;
  font-weight: 700;
  font-size: 15px;
}

.header-cta:hover,
.btn--ghost:hover {
  background: var(--ink);
  color: #ffffff;
}

/* Layout */

.section {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
  padding: 96px 0;
}

/* Typografie */

.eyebrow {
  margin: 0 0 18px;
  font-weight: 600;
  color: var(--orange-3);
  letter-spacing: 0.02em;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
}

h1 {
  font-size: clamp(38px, 5.45vw, 60px);
  letter-spacing: -0.015em;
}

h2 {
  font-size: clamp(30px, 3.6vw, 43px);
  letter-spacing: -0.015em;
}

h3 {
  font-size: clamp(22px, 2.05vw, 25px);
  letter-spacing: -0.015em;
}

.lead {
  max-width: 660px;
  font-size: 22px;
  color: var(--muted);
  margin: 28px 0 0;
}

/* Buttons */

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 22px;
  border: 1px solid var(--ink);
  font-weight: 700;
  transition: 0.18s ease;
}

.btn--primary {
  background: var(--orange);
  border-color: var(--orange);
  color: #ffffff;
}

.btn--primary:hover {
  background: var(--orange-3);
  border-color: var(--orange-3);
}

/* Hero */

.hero {
  min-height: calc(100vh - 92px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0 -120px auto auto;
  width: 720px;
  height: 720px;
  background: radial-gradient(circle, rgba(246, 139, 67, 0.18), rgba(246, 139, 67, 0) 65%);
  pointer-events: none;
}

/* Hero Visual – Holding-/Unternehmensgruppen-Darstellung */

.hero-visual {
  width: min(100%, 720px);
  margin: 0 auto;
}

.group-visual {
  position: relative;
  padding: 44px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 40px;
  background:
    radial-gradient(circle at 38% 18%, rgba(112, 67, 164, 0.10), transparent 28%),
    radial-gradient(circle at 78% 72%, rgba(246, 139, 67, 0.14), transparent 34%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.90));
  box-shadow:
    0 24px 70px rgba(15, 23, 42, 0.10),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
  overflow: hidden;
}

.group-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    110deg,
    rgba(246, 139, 67, 0.035) 0,
    rgba(246, 139, 67, 0.035) 1px,
    transparent 1px,
    transparent 38px
  );
  pointer-events: none;
}

.group-hero-card {
  position: relative;
  z-index: 2;
  align-items: center;
  padding: 34px;
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.10);
}

.group-logo-wrap {
  min-height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.group-logo-wrap img {
  width: 190px;
  max-height: 82px;
  object-fit: contain;
}

.group-claim span {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--orange-3);
  font-size: 0.86rem;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0.015em;
}

.group-claim strong {
  display: block;
  max-width: 360px;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.045em;
  color: var(--ink);
}

.group-units {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.group-unit {
  position: relative;
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 26px;
  align-items: center;
  min-height: 116px;
  padding: 22px 28px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.075);
  overflow: hidden;
}

.group-unit::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 6px;
  border-radius: 999px;
}

.group-unit--logsan::before {
  background: var(--green);
}

.group-unit--simplisan::before {
  background: var(--orange);
}

.group-unit--fairsan::before {
  background: var(--red);
}

.unit-mark {
  display: flex;
  align-items: center;
}

.unit-mark img {
  width: 130px;
  max-height: 56px;
  object-fit: contain;
  object-position: left center;
}

.unit-copy {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 18px;
  align-items: baseline;
}

.unit-copy h3 {
  font-size: 1.08rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.unit-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.45;
}

/* Trust Strip */

.trust-strip {
  width: min(1180px, calc(100% - 40px));
  margin: -40px auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background: var(--line);
  box-shadow: var(--shadow-soft);
}

.trust-strip div {
  background: rgba(255, 255, 255, 0.88);
  padding: 24px;
}

.trust-strip strong {
  display: block;
  font-size: 15px;
  color: var(--orange-3);
}

.trust-strip span {
  display: block;
  margin-top: 4px;
  font-size: 20px;
  font-weight: 700;
}

/* Split Sections */

.split-section {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 64px;
  align-items: center;
}

.image-card {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(41, 41, 41, 0.10);
}

.image-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.text-stack p {
  color: var(--muted);
  font-size: 20px;
}

.text-stack p:not(.eyebrow) {
  margin: 24px 0 0;
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px;
}

.section-head .eyebrow {
  margin-bottom: 12px;
}

/* Modell */

.model-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.model-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.62));
  border: 1px solid rgba(41, 41, 41, 0.10);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-soft);
}

.model-card--highlight {
  background: linear-gradient(180deg, #fff4ed, #ffffff);
  border-color: rgba(246, 139, 67, 0.35);
}

.step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: #fff0e8;
  color: var(--orange-3);
  font-weight: 800;
  font-size: 14px;
  margin-bottom: 22px;
}

.model-card p,
.tab-panel p,
.tab-panel li {
  color: var(--muted);
}

.outcome-panel {
  margin-top: 24px;
  padding: 28px 34px;
  border-radius: var(--radius);
  background: #292929;
  color: #ffffff;
  box-shadow: var(--shadow-soft);
}

.outcome-panel strong {
  display: block;
  font-size: 26px;
  line-height: 1.22;
  margin-top: 6px;
}

/* Tabs / Bausteine */

.tabs {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 26px;
}

.tab-list {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(41, 41, 41, 0.10);
  border-radius: var(--radius);
  padding: 10px;
  height: max-content;
}

.tab {
  border: 0;
  background: transparent;
  padding: 18px 20px;
  border-radius: 16px;
  font: inherit;
  text-align: left;
  cursor: pointer;
  color: var(--ink);
}

.tab:hover {
  background: #ffffff;
}

.tab.is-active {
  background: #fff0e8;
  color: var(--orange-3);
  font-weight: 800;
}

.tab-panels {
  background: #ffffff;
  border: 1px solid rgba(41, 41, 41, 0.10);
  border-radius: 32px;
  box-shadow: var(--shadow);
  padding: 34px;
}

.tab-panel {
  display: none;
  grid-template-columns: 190px 1fr;
  gap: 34px;
  align-items: start;
}

.tab-panel.is-active {
  display: grid;
}

.panel-brand {
  width: 180px;
  min-height: 124px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #fff0e8, #ffffff);
  border: 1px solid rgba(246, 139, 67, 0.30);
  padding: 22px;
}

.panel-brand img {
  width: 100%;
  height: auto;
  max-height: 82px;
  object-fit: contain;
}

.tab-panel p {
  font-size: 20px;
  margin: 18px 0;
}

.tab-panel ul {
  padding-left: 20px;
  margin: 0;
  display: grid;
  gap: 8px;
}

.text-link {
  display: inline-flex;
  margin-top: 20px;
  color: var(--orange-3);
  font-weight: 800;
  border-bottom: 1px solid currentColor;
}

.text-link:hover {
  color: var(--ink);
}

/* Kontakt */

.contact-section {
  display: grid;
  grid-template-columns: 0.9fr 1.3fr;
  gap: 42px;
  align-items: start;
  padding-bottom: 120px;
}

.contact-copy {
  position: sticky;
  top: 130px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(41, 41, 41, 0.10);
  border-radius: var(--radius);
  padding: 34px;
}

.contact-copy p:not(.eyebrow) {
  color: var(--muted);
}

.contact-data {
  display: grid;
  gap: 10px;
  margin-top: 28px;
  font-weight: 800;
}

.contact-data a {
  color: var(--orange-3);
}

.form-wrap {
  background: transparent;
  border-radius: var(--radius);
}

.form-wrap iframe {
  display: block;
  width: 100%;
  min-height: 1480px;
  border: 0;
  background: transparent;
}

/* Footer */

.footer {
  display: flex;
  gap: 24px;
  justify-content: space-between;
  align-items: center;
  padding: 34px clamp(20px, 6vw, 84px);
  background: #ffffff;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 15px;
}

.footer img {
  width: 118px;
  margin-bottom: 10px;
}

.footer p {
  margin: 0;
}

.footer nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.footer a:hover {
  color: var(--orange-3);
}

/* Rechtliche Seiten */

.legal {
  max-width: 900px;
  margin: 0 auto;
  padding: 80px 20px;
}

.legal p,
.legal li {
  color: var(--muted);
}

.legal h1 {
  font-size: 48px;
  margin-bottom: 28px;
}

.legal h2 {
  font-size: 28px;
  margin: 32px 0 12px;
}

.back-link {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--orange-3);
  font-weight: 700;
}

/* Tablet */

@media (max-width: 980px) {
  .header-cta {
    display: none;
  }

  .hero,
  .split-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 70px;
  }

  .hero-visual {
    width: min(100%, 720px);
  }

  .group-hero-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .group-claim strong {
    margin: 0 auto;
  }

  .trust-strip,
  .model-grid {
    grid-template-columns: 1fr;
  }

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

  .tab-list {
    flex-direction: row;
    overflow-x: auto;
  }

  .tab {
    white-space: nowrap;
    text-align: center;
  }

  .contact-copy {
    position: static;
  }
}

/* Mobile Hero */

@media (max-width: 760px) {
  .group-visual {
    padding: 24px;
  }

  .group-hero-card {
    padding: 26px 24px;
  }

  .group-logo-wrap {
    min-height: auto;
  }

  .group-logo-wrap img {
    width: 180px;
  }

  .group-unit {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px;
  }

  .unit-mark img {
    width: 170px;
  }

  .unit-copy {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

/* Mobile */

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .site-header {
    height: auto;
    min-height: 78px;
    padding: 14px 20px;
    flex-wrap: wrap;
  }

  .brand img {
    width: 125px;
  }

  .nav {
    order: 3;
    width: min-content;
    justify-content: space-between;
    gap: 12px;
    font-size: 15px;
  }

  .section {
    width: min(100% - 28px, 1180px);
    padding: 64px 0;
  }

  .hero {
    gap: 32px;
  }

  .trust-strip {
    width: min(100% - 28px, 1180px);
  }

  .tab-panels {
    padding: 22px;
    border-radius: 24px;
  }

  .tab-panel {
    grid-template-columns: 1fr;
  }

  .panel-brand {
    width: 160px;
    min-height: 104px;
    border-radius: 22px;
    padding: 18px;
  }

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

  .form-wrap iframe {
    min-height: 1600px;
  }
}