/* =========================================================
   WisaiFlow - Main Stylesheet
   Base styles, layout, typography, utilities
   ========================================================= */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover,
a:focus-visible {
  color: var(--color-accent);
}

ul, ol {
  list-style: none;
}

/* ---- Focus visible ---- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---- Layout ---- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--section-padding);
}

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: var(--font-headline);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); font-weight: 700; }
h4 { font-size: clamp(1rem, 2vw, 1.25rem); font-weight: 700; }

p {
  max-width: 65ch;
}

code, kbd, samp {
  font-family: var(--font-mono);
  font-size: 0.875em;
}

/* ---- Gradient Text ---- */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Glassmorphism ---- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  border: none;
  text-decoration: none;
}

.btn--primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.35);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  color: #fff;
  box-shadow: 0 0 35px rgba(99, 102, 241, 0.6);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: rgba(34, 211, 238, 0.05);
}

.btn--large {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

.btn--full {
  width: 100%;
}

/* ---- Navigation ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

.site-header {
  transition: transform 0.85s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s ease;
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.nav-glass {
  background: rgba(10, 15, 30, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  padding-block: 1rem;
}

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

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

.logo-text {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.375rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-menu a {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: var(--color-text);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-block: 8rem 4rem;
}

#particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero__headline {
  margin-bottom: 1.5rem;
}

.hero__subheadline {
  font-size: clamp(1.1rem, 2vw, 1.375rem);
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
  max-width: 55ch;
  margin-inline: auto;
  min-height: 2em;
}

.hero__cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.scroll-arrow {
  display: block;
  width: 24px;
  height: 24px;
  border-right: 2px solid var(--color-text-muted);
  border-bottom: 2px solid var(--color-text-muted);
  transform: rotate(45deg);
  animation: scroll-bounce 1.5s infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); opacity: 1; }
  50%       { transform: rotate(45deg) translateY(6px); opacity: 0.4; }
}

/* ---- Section Typography ---- */
.section__title {
  text-align: center;
  margin-bottom: 1rem;
}

.section__subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  max-width: 55ch;
  margin-inline: auto;
  margin-bottom: 3rem;
}

.section__cta {
  text-align: center;
  margin-top: 3rem;
}

/* ---- Services Grid ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

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

/* ---- Card ---- */
.card {
  padding: 2rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.2);
}

.card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.card__title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.card__text {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* ---- About Teaser ---- */
.about-teaser__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
  text-align: center;
}

.about-teaser__text {
  max-width: 680px;
}

.about-teaser__text p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  margin-inline: auto;
}

.about-teaser__text .btn {
  margin-top: 1rem;
}

.about-teaser__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  width: 100%;
  max-width: 600px;
}

/* ---- Stats ---- */
.stat {
  text-align: center;
}

.stat__number {
  display: block;
  font-family: var(--font-headline);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat__prefix,
.stat__suffix {
  font-family: var(--font-headline);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat__row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.15em;
}

.stat__label {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

/* ---- Page Hero ---- */
.page-hero {
  padding-top: calc(var(--section-padding) + 5rem);
  text-align: center;
}

/* ---- Services Full ---- */
.service-item {
  padding: 2.5rem;
  margin-bottom: 1.5rem;
}

.service-item__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.service-item__icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.service-item__title {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

.service-item__desc {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.service-item__features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.5rem;
}

.service-item__features li {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  padding-left: 1.25rem;
  position: relative;
}

.service-item__features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* ---- About Story ---- */
.about-story__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-story__text p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.about-story__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

.glow-orb {
  border-radius: 50%;
  background: var(--gradient-primary);
  filter: blur(60px);
  opacity: 0.3;
  animation: orb-pulse 4s ease-in-out infinite;
}

.glow-orb--large {
  width: 300px;
  height: 300px;
}

@keyframes orb-pulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50%       { transform: scale(1.1); opacity: 0.45; }
}

/* ---- Team Grid ---- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

/* ---- CTA Section ---- */
.cta-section {
  background: var(--gradient-glow);
}

.cta-section__inner {
  text-align: center;
}

.cta-section__inner p {
  color: var(--color-text-muted);
  margin-top: 1rem;
  margin-bottom: 2rem;
  margin-inline: auto;
}

/* ---- Contact ---- */
.contact-section__inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-form-wrap {
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75rem 1rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(99, 102, 241, 0.04);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group textarea {
  resize: vertical;
}

.contact-info {
  padding-top: 1rem;
}

.contact-info__block {
  margin-bottom: 2rem;
}

.contact-info__title {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.25rem;
}

.contact-info__sub {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.contact-info h3 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.contact-social {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-social a {
  color: var(--color-text);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.contact-social a:hover {
  color: var(--color-accent);
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-top: 3rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 2rem;
  padding-bottom: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-tagline {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.footer-menu {
  display: flex;
  gap: 1.5rem;
}

.footer-menu a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer-menu a:hover {
  color: var(--color-text);
}

.footer-social {
  display: flex;
  gap: 1.5rem;
  justify-content: flex-end;
}

.footer-social a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer-social a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-block: 1.25rem;
}

.footer-bottom p {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  text-align: center;
}

/* ---- Legal Pages (Impressum, Datenschutz) ---- */
.legal-content {
  max-width: 860px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.legal-block {
  padding: 2rem 2.5rem;
}

.legal-block h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.legal-block h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.legal-block p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 0.75rem;
  max-width: none;
}

.legal-block a {
  color: var(--color-accent);
  word-break: break-all;
}

.legal-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-block: 0.75rem;
}

.legal-list li {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  padding-left: 1.25rem;
  position: relative;
}

.legal-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* ---- 404 ---- */
.error-page {
  text-align: center;
  padding-top: 4rem;
}

.error-page__code {
  font-family: var(--font-headline);
  font-size: clamp(6rem, 20vw, 12rem);
  font-weight: 800;
  line-height: 1;
  margin-bottom: 1rem;
}

.error-page h1 {
  margin-bottom: 1rem;
}

.error-page .section__subtitle {
  margin-bottom: 2.5rem;
}

.error-page__cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- WordPress Admin Bar Offset ---- */
/* Schiebt die fixe Nav nach unten, wenn der WP Admin-Balken sichtbar ist */
.admin-bar .site-header {
  top: 32px;
}

.admin-bar .site-header.is-hidden {
  transform: translateY(calc(-100% - 32px));
}

@media screen and (max-width: 782px) {
  .admin-bar .site-header {
    top: 46px;
  }

  .admin-bar .site-header.is-hidden {
    transform: translateY(calc(-100% - 46px));
  }
}

/* ---- Responsive ---- */

/* Tablet: 768px */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 15, 30, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem var(--container-pad);
    gap: 1.25rem;
  }

  .nav-menu.is-open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .about-teaser__inner,
  .about-story__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-story__visual {
    display: none;
  }

  .contact-section__inner {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-social {
    justify-content: flex-start;
  }

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

/* Mobile: 375px */
@media (max-width: 480px) {
  .hero__cta {
    flex-direction: column;
    align-items: center;
  }

  .about-teaser__stats {
    grid-template-columns: repeat(3, 1fr);
    max-width: 100%;
  }

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

  .service-item__features {
    grid-template-columns: 1fr;
  }
}