/**
 * Prime Portal – Energieaudit Landing
 * Design: „Rheinische Klarheit“ – editorial, ruhig, hohes Vertrauen
 */

@import url("https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,500;0,600;0,700;1,500&family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap");

:root {
  /* Seriöses Farbsystem – nicht aus Prompt-Beispielen */
  --color-ink: #0c1210;
  --color-forest: #1a2f28;
  --color-moss: #2d4a3e;
  --color-sage: #5c7a6c;
  --color-mist: #dfe8e3;
  --color-porcelain: #f6f8f6;
  --color-white: #ffffff;
  --color-ember: #9a4b2f;
  --color-ember-bright: #b85c3a;
  --color-gold-line: #c4a574;
  --color-warning-bg: #fff4e8;
  --color-warning-border: #e8c9a8;

  --font-sans: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-serif: "EB Garamond", Georgia, serif;

  --shadow-soft: 0 18px 50px rgba(12, 18, 16, 0.08);
  --shadow-card: 0 12px 40px rgba(26, 47, 40, 0.12);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --maxw: 1180px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--color-ink);
  background: var(--color-porcelain);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-moss);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-ember);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-forest);
}

h1 {
  font-size: clamp(2.4rem, 4.5vw, 3.75rem);
  margin: 0 0 1rem;
}

h2 {
  font-size: clamp(1.75rem, 2.8vw, 2.35rem);
  margin: 0 0 0.75rem;
}

h3 {
  font-size: clamp(1.25rem, 1.6vw, 1.45rem);
  margin: 0 0 0.5rem;
}

p {
  margin: 0 0 1rem;
}

.lead {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--color-sage);
  max-width: 52ch;
}

.container {
  width: min(var(--maxw), 100% - 2.5rem);
  margin-inline: auto;
}

.section {
  padding-block: clamp(3.5rem, 8vw, 6rem);
}

.section--tight {
  padding-block: clamp(2.5rem, 5vw, 3.5rem);
}

.section--dark {
  background: linear-gradient(165deg, var(--color-forest) 0%, #0f1c18 100%);
  color: var(--color-mist);
}

.section--dark h2,
.section--dark h3 {
  color: var(--color-white);
}

.section--dark .lead {
  color: rgba(223, 232, 227, 0.88);
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-ember);
  margin-bottom: 0.75rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(246, 248, 246, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(26, 47, 40, 0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding-block: 0.85rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--color-forest);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--color-forest);
}

.logo__mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-moss), var(--color-forest));
  box-shadow: 0 6px 20px rgba(26, 47, 40, 0.25);
  position: relative;
  overflow: hidden;
}

.logo__mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-radius: 6px;
  transform: rotate(8deg);
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__toggle {
  display: none;
  border: 0;
  background: var(--color-forest);
  color: var(--color-white);
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-weight: 600;
  cursor: pointer;
}

.nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: stretch;
  gap: 0.15rem;
}

.nav__item {
  position: relative;
}

.nav__link {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-forest);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.2s var(--ease-out), border-color 0.2s;
}

.nav__link:hover {
  background: rgba(26, 47, 40, 0.06);
  color: var(--color-forest);
}

.nav__link--active {
  background: rgba(154, 75, 47, 0.1);
  border-color: rgba(154, 75, 47, 0.2);
}

.nav__chev {
  width: 0.55rem;
  height: 0.55rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  opacity: 0.65;
}

.nav__sub {
  position: absolute;
  left: 0;
  top: calc(100% + 6px);
  min-width: 220px;
  background: var(--color-white);
  border: 1px solid rgba(26, 47, 40, 0.1);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 0.45rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.2s var(--ease-out), transform 0.2s var(--ease-out),
    visibility 0.2s;
}

.nav__item:hover .nav__sub,
.nav__item:focus-within .nav__sub {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__sub a {
  display: block;
  padding: 0.55rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-forest);
  text-decoration: none;
}

.nav__sub a:hover {
  background: var(--color-porcelain);
  color: var(--color-ember);
}

.nav__cta-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

@media (max-width: 1024px) {
  .nav__toggle {
    display: inline-flex;
  }

  .nav__list {
    position: fixed;
    inset: 72px 1rem auto 1rem;
    flex-direction: column;
    align-items: stretch;
    background: var(--color-white);
    border: 1px solid rgba(26, 47, 40, 0.1);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    padding: 0.75rem;
    max-height: min(70vh, 520px);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
    z-index: 950;
  }

  body.nav-open .nav__list {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav__sub {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    padding: 0.25rem 0 0 0.5rem;
    background: transparent;
  }

  .nav__item {
    border-bottom: 1px solid rgba(26, 47, 40, 0.06);
    padding-bottom: 0.35rem;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s, background 0.2s,
    color 0.2s;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-ember), var(--color-ember-bright));
  color: var(--color-white);
  box-shadow: 0 10px 30px rgba(154, 75, 47, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(154, 75, 47, 0.42);
  color: var(--color-white);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(26, 47, 40, 0.2);
  color: var(--color-forest);
}

.btn--ghost:hover {
  border-color: var(--color-forest);
  background: rgba(26, 47, 40, 0.04);
  color: var(--color-forest);
}

.btn--light {
  background: var(--color-white);
  color: var(--color-forest);
}

.btn--light:hover {
  color: var(--color-ember);
}

/* Cards & grids */
.grid-3 {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1px solid rgba(26, 47, 40, 0.08);
  box-shadow: var(--shadow-card);
}

.card--muted {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--color-mist);
}

.metric {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-gold-line);
}

/* Hero */
.hero {
  position: relative;
  padding-block: clamp(4rem, 10vw, 7rem);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% 40% 20% -30%;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(196, 165, 116, 0.18),
    transparent 55%
  );
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

@media (max-width: 960px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
}

.hero__visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 380px;
  box-shadow: var(--shadow-card);
}

.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 380px;
}

.hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    rgba(12, 18, 16, 0.55) 0%,
    transparent 45%,
    rgba(26, 47, 40, 0.35) 100%
  );
  pointer-events: none;
}

.hero__float {
  position: absolute;
  z-index: 2;
  display: grid;
  gap: 0.65rem;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
}

@media (min-width: 961px) {
  .hero__float {
    right: auto;
    left: -1.5rem;
    bottom: 2rem;
    width: min(280px, 42vw);
  }
}

.float-card {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-soft);
}

.float-card strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-forest);
}

.float-card span {
  font-size: 0.82rem;
  color: var(--color-sage);
  font-weight: 600;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Urgency strip */
.urgency {
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-top: 1.75rem;
  font-size: 0.95rem;
}

.urgency strong {
  color: var(--color-ember);
}

/* Steps */
.steps {
  counter-reset: step;
  display: grid;
  gap: 1.25rem;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
  padding: 1.5rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid rgba(26, 47, 40, 0.08);
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-ember);
  line-height: 1;
}

/* Testimonials */
.quote-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(2, 1fr);
}

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

blockquote {
  margin: 0;
  padding: 1.5rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-gold-line);
  box-shadow: var(--shadow-soft);
}

blockquote p {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

cite {
  font-style: normal;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-sage);
}

/* Forms */
.form {
  position: relative;
  display: grid;
  gap: 1rem;
}

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

@media (max-width: 640px) {
  .form__row {
    grid-template-columns: 1fr;
  }
}

label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-forest);
  display: block;
  margin-bottom: 0.35rem;
}

input,
select,
textarea {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(26, 47, 40, 0.15);
  font-family: var(--font-sans);
  font-size: 1rem;
  background: var(--color-white);
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(154, 75, 47, 0.35);
  outline-offset: 1px;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

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

/* Footer */
.site-footer {
  background: var(--color-ink);
  color: rgba(246, 248, 246, 0.82);
  padding-block: 3rem 2rem;
  margin-top: 0;
}

.site-footer a {
  color: rgba(246, 248, 246, 0.88);
}

.site-footer a:hover {
  color: var(--color-white);
}

.footer__grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.2fr repeat(3, 1fr);
}

@media (max-width: 900px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

.footer__title {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-gold-line);
  margin: 0 0 0.75rem;
}

.footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__list li {
  margin-bottom: 0.45rem;
}

.footer__bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: rgba(246, 248, 246, 0.55);
}

/* Utilities */
.text-center {
  text-align: center;
}

.stack-sm > * + * {
  margin-top: 0.5rem;
}

.mb-0 {
  margin-bottom: 0;
}

.mt-lg {
  margin-top: 2rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

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

.prose {
  max-width: 70ch;
}

.prose h2 {
  margin-top: 2rem;
}

.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: rgba(154, 75, 47, 0.12);
  color: var(--color-ember);
}

/* —— Conversion: Countdown, Sticky CTA, Modals —— */
.countdown-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, rgba(154, 75, 47, 0.12), rgba(26, 47, 40, 0.08));
  border: 1px solid rgba(154, 75, 47, 0.22);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-forest);
}

.countdown-strip strong {
  color: var(--color-ember);
  font-variant-numeric: tabular-nums;
}

.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9500;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.65rem 1rem calc(0.65rem + env(safe-area-inset-bottom));
  background: rgba(12, 18, 16, 0.92);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.18);
}

.sticky-cta .btn {
  margin: 0;
}

body.has-sticky-cta {
  padding-bottom: 4.5rem;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9600;
  background: rgba(12, 18, 16, 0.55);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s var(--ease-out), visibility 0.25s;
}

.modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 9650;
  width: min(480px, calc(100% - 2rem));
  max-height: min(90vh, 720px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transform: translate(-50%, -46%) scale(0.96);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.28s var(--ease-out), opacity 0.28s, visibility 0.28s;
}

.modal.is-open {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  visibility: visible;
}

.modal__head {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid rgba(26, 47, 40, 0.1);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.modal__head h2 {
  margin: 0;
  font-size: 1.25rem;
}

.modal__close {
  border: 0;
  background: rgba(26, 47, 40, 0.08);
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}

.modal__body {
  padding: 1.25rem;
  overflow-y: auto;
}

.exit-popup {
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 9700;
  width: min(440px, calc(100% - 2rem));
  padding: 1.75rem;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transform: translate(-50%, -50%) scale(0.94);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, transform 0.25s var(--ease-out), visibility 0.25s;
}

.exit-popup.is-open {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.eligibility-wizard .wiz-step {
  display: none;
}

.eligibility-wizard .wiz-step.is-active {
  display: block;
}

.eligibility-wizard .wiz-q {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--color-forest);
}

.wiz-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.wiz-progress {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.wiz-progress span {
  flex: 1;
  height: 4px;
  border-radius: 99px;
  background: rgba(26, 47, 40, 0.12);
}

.wiz-progress span.is-done {
  background: var(--color-ember);
}

.wiz-choice {
  display: grid;
  gap: 0.5rem;
}

.wiz-choice button {
  text-align: left;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 2px solid rgba(26, 47, 40, 0.12);
  background: var(--color-porcelain);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.wiz-choice button:hover,
.wiz-choice button:focus-visible {
  border-color: var(--color-ember);
  background: var(--color-white);
  outline: none;
}

.wiz-result {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(45, 74, 62, 0.08);
  border: 1px solid rgba(45, 74, 62, 0.15);
  margin-bottom: 1rem;
}

@media (prefers-reduced-motion: reduce) {
  .modal,
  .modal-backdrop,
  .exit-popup {
    transition: none;
  }
}