/* ============================================================
   CERTAVIA — Landing Page Styles
   Ergänzt certavia.css für certavia.org
   ============================================================ */

/* ------------------------------------------------------------
   NAV
   ------------------------------------------------------------ */
.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-200);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
  transition: box-shadow 0.2s ease;
}

.nav--scrolled {
  box-shadow: 0 4px 16px rgba(30, 58, 95, 0.10);
}

.navin {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.brandmark {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-icon {
  width: auto;
  height: 52px;
  object-fit: contain;
}

.brand-logo {
  width: auto;
  height: 48px;
  object-fit: contain;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.navlinks {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.navlinks a,
.navlinks__standalone {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.navlinks a:hover,
.navlinks__standalone:hover {
  color: var(--color-primary);
}

/* Dropdown */
.nav-drop {
  position: relative;
}

.nav-drop__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-gray-500);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav-drop__btn:hover,
.nav-drop--open .nav-drop__btn {
  color: var(--color-primary);
}

.nav-drop__icon {
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.nav-drop--open .nav-drop__icon {
  transform: rotate(180deg);
}

.nav-drop__panel {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 220px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(30, 58, 95, 0.12);
  padding: var(--space-2) 0;
  z-index: calc(var(--z-sticky) + 1);
}

.nav-drop--open .nav-drop__panel {
  display: block;
  animation: dropFadeIn 0.18s ease;
}

@keyframes dropFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.nav-drop__panel a {
  display: block;
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-gray-700);
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-drop__panel a:hover {
  background: var(--color-gray-50);
  color: var(--color-primary);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
}

.nav-hamburger span {
  display: block;
  height: 2px;
  background: var(--color-gray-600);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-hamburger--open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger--open span:nth-child(2) { opacity: 0; }
.nav-hamburger--open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.nav-mobile {
  display: none;
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-200);
  padding: var(--space-6);
}

.nav-mobile--open {
  display: block;
}

.nav-mobile__section {
  margin-bottom: var(--space-5);
}

.nav-mobile__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-gray-400);
  margin-bottom: var(--space-2);
}

.nav-mobile__section a,
.nav-mobile__standalone {
  display: block;
  padding: var(--space-2) 0;
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-gray-700);
  border-bottom: 1px solid var(--color-gray-100);
}

.nav-mobile__section a:hover,
.nav-mobile__standalone:hover {
  color: var(--color-primary);
}

.nav-mobile__standalone {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-gray-200);
  border-bottom: none;
}


/* ------------------------------------------------------------
   HERO
   ------------------------------------------------------------ */
.hero {
  padding-top: var(--space-24);
  padding-bottom: var(--space-20);
  background: linear-gradient(180deg, #fff 0%, #fbfbfc 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-10);
  align-items: center;
}

.kicker {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-gold-dark);
  margin-bottom: var(--space-4);
}

.hero-meta {
  margin-top: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  font-style: italic;
}

/* Hero Visual */
.visual {
  height: 360px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, #f8f4e8 0%, #ffffff 35%, #eef3f8 100%);
  border: 1px solid var(--color-gray-200);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual::before {
  content: "";
  position: absolute;
  inset: 28px;
  border: 1.5px solid rgba(30, 58, 95, 0.1);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.visual-seal {
  width: 200px;
  height: 200px;
  object-fit: contain;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 18px 40px rgba(30, 58, 95, 0.18));
}

.visual-note {
  position: absolute;
  bottom: var(--space-5);
  left: var(--space-5);
  right: var(--space-5);
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  letter-spacing: var(--tracking-wide);
}


/* ------------------------------------------------------------
   SECTIONS
   ------------------------------------------------------------ */
.section {
  padding: var(--space-20) 0;
  border-top: 1px solid var(--color-gray-200);
}

.section--dark {
  background: var(--color-primary);
  border-top: none;
}

/* Problem Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-8);
}

/* 2×2 card grid — use for exactly 4 cards to avoid 3+1 orphan */
.cards--2col {
  grid-template-columns: repeat(2, 1fr);
}

/* Two-column layout */
.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

/* Proof Tags */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-primary);
  background: #EFF6FF;
  border: 1px solid rgba(30, 58, 95, 0.15);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}


/* ------------------------------------------------------------
   PROOF LINE (Offer section)
   ------------------------------------------------------------ */
.proofline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.proofbox {
  padding: var(--space-4);
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

.proofbox strong {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}


/* ------------------------------------------------------------
   PANEL (Card with shadow)
   ------------------------------------------------------------ */
.panel {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
}

.panel ul {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
  display: grid;
  gap: var(--space-3);
}

.panel ul li {
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-gray-100);
  font-size: var(--text-base);
  color: var(--color-gray-700);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.panel ul li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
  flex-shrink: 0;
}


.panel__action {
  margin-top: var(--space-6);
}

/* ------------------------------------------------------------
   STEPS
   ------------------------------------------------------------ */
.steps {
  counter-reset: step-counter;
  margin-top: var(--space-6);
  display: grid;
  gap: 0;
}

.step {
  counter-increment: step-counter;
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-gray-200);
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: var(--space-4);
  align-items: start;
}

.step::before {
  content: counter(step-counter);
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-gold);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-weight: var(--weight-bold);
  font-size: var(--text-base);
  flex-shrink: 0;
  margin-top: 2px;
}

.step h3 {
  margin-bottom: var(--space-1);
}

.step p {
  margin: 0;
  font-size: var(--text-base);
}


/* ------------------------------------------------------------
   QUOTE
   ------------------------------------------------------------ */
.quote {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-4);
}

.small {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  font-style: italic;
}


/* ------------------------------------------------------------
   FAQ
   ------------------------------------------------------------ */
.faq {
  margin-top: var(--space-8);
  display: grid;
  gap: 0;
}

.faq details {
  border-top: 1px solid var(--color-gray-200);
  padding: var(--space-5) 0;
}

.faq details:last-child {
  border-bottom: 1px solid var(--color-gray-200);
}

.faq summary {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  font-size: var(--text-2xl);
  font-weight: var(--weight-regular);
  color: var(--color-gold);
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.faq details[open] summary::after {
  transform: rotate(45deg);
}

.faq details p {
  margin: var(--space-4) 0 0;
  font-size: var(--text-base);
  color: var(--color-gray-600);
}


/* ------------------------------------------------------------
   CONTACT FORM
   ------------------------------------------------------------ */
.form {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.form label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
  letter-spacing: var(--tracking-wide);
}

.input,
.textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-gray-800);
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.input:focus,
.textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.textarea {
  min-height: 120px;
  resize: vertical;
}


/* ------------------------------------------------------------
   FOOTER
   ------------------------------------------------------------ */
/* Footer-section bekommt kompakteres Padding als normale sections */
footer.section {
  padding: var(--space-6) 0;
}

.footer {
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-gray-200);
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer-icon {
  width: auto;
  height: 40px;
  object-fit: contain;
}

.footer-links {
  display: flex;
  gap: var(--space-6);
}

.footer-links a {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-sovp {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  letter-spacing: var(--tracking-wide);
}


/* ------------------------------------------------------------
   RESPONSIVE
   ------------------------------------------------------------ */
@media (max-width: 900px) {
  .hero-grid,
  .cards,
  .cards--2col,
  .two,
  .proofline {
    grid-template-columns: 1fr;
  }

  .navlinks {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .hero {
    padding-top: var(--space-16);
  }

  .visual {
    height: 280px;
  }

  .proofline {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .proofline {
    grid-template-columns: 1fr;
  }

  .footer {
    flex-direction: column;
    text-align: center;
  }
}

/* ------------------------------------------------------------
   CONTACT FORM
   ------------------------------------------------------------ */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row--two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-gray-700);
}

.form-required {
  color: var(--color-gold-dark);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-gray-900);
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.08);
}

.form-input--error {
  border-color: #dc2626;
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%231E3A5F' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
  line-height: var(--leading-relaxed);
}

.form-error {
  font-size: var(--text-xs);
  color: #dc2626;
  margin-top: 2px;
}

.form-submit-row {
  flex-direction: row;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.form-submit-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.form-legal {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
  margin: 0;
}

.form-legal a {
  color: var(--color-gray-500);
  text-decoration: underline;
}

/* Contact success state */
.contact-success {
  text-align: center;
  padding: var(--space-16) var(--space-8);
}

.contact-success__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: #dcfce7;
  color: #16a34a;
  border-radius: 50%;
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-5);
}

.contact-success h2 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

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


/* ------------------------------------------------------------
   BETROFFEN-SEKTION (Startseite)
   ------------------------------------------------------------ */
.section--accent-light {
  background: linear-gradient(135deg, #f0f4f9 0%, #faf8f2 100%);
  border-top: 1px solid var(--color-gray-200);
  border-bottom: 1px solid var(--color-gray-200);
}

.betroffen-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10) var(--space-16);
  align-items: start;
}

.betroffen-text {
  grid-column: 1;
  grid-row: 1 / 3;
}

.betroffen-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  line-height: var(--leading-snug);
}

.betroffen-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.betroffen-list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-gray-700);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.betroffen-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  flex-shrink: 0;
}

.betroffen-icon--yes {
  background: #dcfce7;
  color: #16a34a;
}

.betroffen-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
  padding-top: var(--space-2);
}

.betroffen-hint {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  margin: 0;
  letter-spacing: var(--tracking-wide);
}

@media (max-width: 768px) {
  .betroffen-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .betroffen-text {
    grid-row: auto;
  }
}