/* ============================================
   Psychotherapie Biber — Stylesheet
   Farbpalette: Kühl & Beruhigend
   ============================================ */

/* --- Custom Properties --- */
:root {
  --color-bg: #F0F4F8;
  --color-bg-alt: #E2E8F0;
  --color-surface: #FFFFFF;
  --color-primary: #4A7C8F;
  --color-primary-light: #7BA7BC;
  --color-primary-dark: #3A6070;
  --color-accent: #C9D6DF;
  --color-text: #1A2F38;
  --color-text-light: #5A7380;
  --color-text-muted: #8A9DAA;
  --color-border: #D1DCE5;
  --color-white: #FFFFFF;

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  --transition-fast: 0.2s ease;
  --transition-base: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

/* --- Container --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* --- Typography --- */
h1, h2, h3 {
  font-family: var(--font-sans);
  font-weight: 500;
  line-height: 1.2;
}

/* --- Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal:nth-child(6) { transition-delay: 0.5s; }

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: all var(--transition-base);
}

.nav.scrolled {
  background: rgba(240, 244, 248, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1rem 0;
  box-shadow: 0 1px 0 var(--color-border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

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

.nav-logo-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.nav-logo span {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-light);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

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

.nav-links a:hover::after {
  width: 100%;
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(4.5px, 4.5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4.5px, -4.5px);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #1a2f38;
}

.hero-bg {
  position: absolute;
  inset: -10px;
  background-image: url('https://www.psychotherapie-biber.ch/files/userdata/thumbs/compressed/814728.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.85;
  animation: gentleWave 14s ease-in-out infinite;
}

@keyframes gentleWave {
  0%, 100% {
    transform: translate(0, 0) scale(1.03);
  }
  25% {
    transform: translate(-8px, 3px) scale(1.03);
  }
  50% {
    transform: translate(6px, -2px) scale(1.035);
  }
  75% {
    transform: translate(-5px, -3px) scale(1.03);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-bg {
    animation: none;
  }
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(26, 47, 56, 0.10);
  mix-blend-mode: multiply;
}

.hero-content {
  position: relative;
  text-align: center;
  padding: var(--space-md);
}

.hero-title {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  color: #fff;
  letter-spacing: 0.02em;
  line-height: 1.3;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.hero-name {
  font-family: var(--font-sans);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 300;
  color: #fff;
  letter-spacing: 0.08em;
  margin-top: var(--space-xs);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.hero-divider {
  width: 60px;
  height: 1px;
  background: rgba(255, 255, 255, 0.6);
  margin: var(--space-md) auto;
}

.hero-tagline {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.04em;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.1);
}

.hero-cta {
  display: inline-block;
  margin-top: var(--space-lg);
  padding: 0.9rem 2.5rem;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50px;
  backdrop-filter: blur(4px);
  transition: all var(--transition-base);
}

.hero-cta:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

/* Scroll Indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-line {
  width: 2px;
  height: 80px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.9), transparent);
  animation: scrollPulse 2.5s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(0.5); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   Sections — General
   ============================================ */
.section {
  padding: var(--space-2xl) 0;
}

.section-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

.section-title-center {
  text-align: center;
}

.section-label:has(+ .section-title-center),
.section-title-center ~ .section-label {
  text-align: center;
}

/* Center all section-labels */
.section-label {
  text-align: center;
}

/* ============================================
   About Section
   ============================================ */
.section-about {
  background: var(--color-white);
}

.about-layout {
  max-width: 900px;
  margin: 0 auto;
}

.about-intro {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.about-quote {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  padding: var(--space-md) 0;
}

.about-quote cite {
  display: block;
  font-size: 0.9rem;
  font-style: normal;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.about-intro p {
  color: var(--color-text-light);
  font-size: 1.1rem;
  line-height: 1.8;
  max-width: 720px;
  margin: 0 auto;
}

.about-details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  align-items: start;
}

.about-column h3 {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
  min-height: 3.6rem;
  display: flex;
  align-items: flex-end;
}

.about-column ul {
  list-style: none;
}

.about-column li {
  font-size: 0.9rem;
  color: var(--color-text-light);
  padding: 0.4rem 0;
  padding-left: 1rem;
  position: relative;
  line-height: 1.5;
}

.about-column li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-primary-light);
}

/* ============================================
   Services Section
   ============================================ */
.section-services {
  background: var(--color-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.service-card {
  background: var(--color-white);
  border-radius: 16px;
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(26, 47, 56, 0.08);
  border-color: var(--color-accent);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  color: var(--color-primary);
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.service-card p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* Services Extra */
.services-extra {
  margin-top: var(--space-lg);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.service-extra-item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  padding: var(--space-md);
  background: var(--color-white);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.service-extra-item:hover {
  border-color: var(--color-primary-light);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(26, 47, 56, 0.06);
}

.service-extra-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  margin-top: 2px;
}

.service-extra-item h4 {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.service-extra-item p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ============================================
   Process & Costs Section
   ============================================ */
.section-process {
  background: var(--color-white);
}

.process-intro {
  max-width: 700px;
  margin: 0 auto var(--space-xl);
  text-align: center;
}

.process-intro p {
  font-size: 1.05rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.process-card {
  padding: var(--space-lg) var(--space-md);
  background: var(--color-bg);
  border-radius: 16px;
}

.process-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.process-card > p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.process-card ul {
  list-style: none;
}

.process-card li {
  font-size: 0.95rem;
  color: var(--color-text-light);
  padding: 0.4rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.process-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 500;
}

/* Costs */
.costs-title {
  font-size: 1.8rem;
  text-align: center;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.costs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.cost-item {
  padding: var(--space-md);
  background: var(--color-bg);
  border-radius: 12px;
}

.cost-item h4 {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.cost-item p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.cost-item-highlight {
  background: var(--color-primary);
  color: var(--color-white);
}

.cost-item-highlight h4 {
  color: var(--color-white);
}

.cost-item-highlight p {
  color: rgba(255, 255, 255, 0.85);
}

.cost-price {
  margin: var(--space-sm) 0;
}

.price {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text-light);
}

.price-detail {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
}

.cost-note {
  font-size: 0.8rem !important;
  font-style: italic;
  color: var(--color-text-light) !important;
}

/* E-Mail link */
.contact-item a {
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.contact-item a:hover {
  color: var(--color-primary-dark);
}

/* ============================================
   Philosophy Section
   ============================================ */
.section-philosophy {
  background: var(--color-white);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.philosophy-item {
  padding: var(--space-md);
  border-radius: 12px;
  transition: background var(--transition-base);
}

.philosophy-item:hover {
  background: var(--color-bg);
}

.philosophy-number {
  font-family: var(--font-sans);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.philosophy-item h3 {
  font-size: 1.3rem;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.philosophy-item p {
  font-size: 0.95rem;
  color: var(--color-text-light);
}

/* ============================================
   Contact Section
   ============================================ */
.section-contact {
  background: var(--color-surface);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  max-width: 700px;
  margin: 0 auto;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  padding: var(--space-md);
  background: var(--color-bg);
  border-radius: 12px;
  transition: transform var(--transition-base);
}

.contact-item:hover {
  transform: translateX(8px);
}

.contact-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  margin-top: 2px;
}

.contact-item h3 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.contact-item p {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.6;
}

.email-reverse {
  unicode-bidi: bidi-override;
  direction: rtl;
}


/* ============================================
   FAQ
   ============================================ */
.section-faq {
  background: var(--color-bg);
}

.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
  padding: var(--space-md) 0;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--color-primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: var(--space-sm);
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item summary::-webkit-details-marker,
.faq-item summary::marker {
  display: none;
  content: '';
}

.faq-item p {
  padding: 0 0 var(--space-md) 0;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-text);
  color: var(--color-accent);
  padding: var(--space-xl) 0 var(--space-lg);
  text-align: center;
}

.footer-inner {
  max-width: 600px;
  margin: 0 auto;
}

.footer-name {
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-white);
  margin-bottom: 0.25rem;
  white-space: nowrap;
}

.footer-subtitle {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.footer-divider {
  width: 40px;
  height: 1px;
  background: var(--color-primary);
  margin: var(--space-md) auto;
}

.footer-seo {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  opacity: 0.6;
  margin-bottom: var(--space-sm);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.footer-link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-primary-light);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 968px) {
  .about-details {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }

  .services-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .services-extra {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: var(--space-lg) auto 0;
  }

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

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

  .costs-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

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

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    background: rgba(240, 244, 248, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: right var(--transition-base);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: 1.1rem;
  }

  .section {
    padding: var(--space-xl) 0;
  }

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

  .hero-title {
    font-size: clamp(1.4rem, 6vw, 2.5rem);
  }

  .footer-name {
    white-space: normal;
    font-size: 0.9rem;
  }
}

/* --- Selection Color --- */
::selection {
  background: var(--color-primary-light);
  color: var(--color-white);
}

/* --- Smooth scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-light);
}