/* ============================================
   PhotoSpassBox – Stylesheet
   Farbpalette inspiriert von warmen, eleganten
   Präsentationsseiten (Creme, Gold, Dunkelbraun)
   ============================================ */

@import url("fonts.css");

:root {
  --color-bg: #faf7f2;
  --color-bg-alt: #f0ebe3;
  --color-bg-dark: #2c2419;
  --color-text: #3d3429;
  --color-text-light: #6b5e4f;
  --color-accent: #b8956a;
  --color-accent-dark: #9a7a52;
  --color-accent-light: #d4b896;
  --color-white: #ffffff;
  --color-border: #e0d6c8;
  --color-card: #ffffff;
  --color-header-bg: rgba(250, 247, 242, 0.95);
  --color-shadow: rgba(44, 36, 25, 0.08);
  --color-shadow-strong: rgba(44, 36, 25, 0.1);
  --color-footer-border: rgba(255, 255, 255, 0.1);
  --color-btn-text: #ffffff;
  --color-btn-outline: #9a7a52;

  --font-heading: "Cormorant Garamond", "Georgia", serif;
  --font-body: "Lato", "Helvetica Neue", sans-serif;

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

  --max-width: 1200px;
  --header-height: 110px;
  --header-height-scrolled: 68px;
  --transition: 0.3s ease;
  --reveal-duration: 0.75s;
  --reveal-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--spacing-sm);
  z-index: 3000;
  padding: 0.5rem 1rem;
  background: var(--color-bg-dark);
  color: var(--color-white);
  font-size: 0.9rem;
  border-radius: 0 0 4px 4px;
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.nav-toggle:focus-visible {
  outline-color: var(--color-accent-dark);
  border-radius: 4px;
}

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

a {
  color: var(--color-accent-dark);
  text-decoration: none;
  transition: color var(--transition);
}

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

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.6rem); }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-light);
}

ul {
  list-style: none;
}

/* ============================================
   Header & Navigation
   ============================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--color-header-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: height var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  height: var(--header-height-scrolled);
  box-shadow: 0 2px 20px var(--color-shadow);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
  transition: font-size var(--transition);
}

.site-header.scrolled .logo {
  font-size: 1.5rem;
}

.logo span {
  color: var(--color-accent);
}

.main-nav ul {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
  padding: 0.35rem 0;
  transition: color var(--transition), font-size var(--transition), padding var(--transition);
}

.site-header.scrolled .main-nav a {
  font-size: 0.85rem;
  padding: 0.15rem 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.main-nav a.active::after {
  width: 100%;
}

.main-nav a:not(.active):hover::after {
  width: 100%;
}

.main-nav a:not(.active):hover {
  color: var(--color-accent-dark);
}

.main-nav a.active {
  color: var(--color-text);
}

.main-nav a.active:hover {
  color: var(--color-accent-dark);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
  position: relative;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-height) + var(--spacing-lg)) var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(
    135deg,
    var(--color-bg) 0%,
    var(--color-bg-alt) 50%,
    var(--color-bg) 100%
  );
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-accent-light) 0%, transparent 70%);
  opacity: 0;
  animation: heroGlowIn 1.4s var(--reveal-ease) 0.1s forwards;
}

@keyframes heroGlowIn {
  from {
    opacity: 0;
    transform: scale(0.88);
  }
  to {
    opacity: 0.15;
    transform: scale(1);
  }
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-md);
}

.btn {
  display: inline-block;
  padding: 0.9rem 2.2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 2px solid var(--color-accent);
  background: var(--color-accent);
  color: var(--color-btn-text);
  cursor: pointer;
  transition: all var(--transition);
}

.btn:hover {
  background: transparent;
  color: var(--color-accent-dark);
}

.btn-outline {
  background: transparent;
  color: var(--color-btn-outline);
  margin-left: var(--spacing-sm);
}

.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-btn-text);
}

/* ============================================
   Sections
   ============================================ */

.section {
  padding: var(--spacing-xl) var(--spacing-md);
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.cta-section .container {
  container-type: inline-size;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-header p {
  max-width: 600px;
  margin: var(--spacing-sm) auto 0;
}

.section-divider {
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  margin: var(--spacing-sm) auto 0;
}

/* Feature Cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.feature-card {
  background: var(--color-card);
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--color-shadow);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-accent);
  font-size: 1.5rem;
}

.feature-icon--svg {
  font-size: 0;
  color: var(--color-accent-dark);
}

.feature-icon--svg svg {
  width: 2rem;
  height: 2rem;
}

.feature-icon--color svg {
  width: 2.35rem;
  height: 2.35rem;
}

.feature-card h3 {
  margin-bottom: var(--spacing-xs);
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

.about-image {
  aspect-ratio: 4/3;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-style: italic;
}

.about-image--video {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  font-style: normal;
  aspect-ratio: unset;
  min-height: 0;
  height: fit-content;
  align-self: start;
  justify-self: stretch;
  background: transparent;
  border: 1px solid var(--color-border);
  box-sizing: border-box;
}

.about-video-wrap {
  width: 100%;
  background: transparent;
  line-height: 0;
}

.about-video {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  vertical-align: top;
  background-color: var(--color-bg-dark);
}

.about-video:focus-visible {
  outline-offset: -3px;
}

.about-video-caption {
  width: 100%;
  max-height: 0;
  padding: 0 var(--spacing-sm);
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--color-text-light);
  text-align: center;
  background: var(--color-bg-alt);
  border-top: 1px solid transparent;
  opacity: 0;
  overflow: hidden;
  box-sizing: border-box;
  transition:
    opacity var(--transition),
    max-height var(--transition),
    padding var(--transition),
    border-color var(--transition);
}

.about-image--video:is(:hover, :focus-within, .is-video-ui-visible) .about-video-caption {
  max-height: 6rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  opacity: 1;
  border-top-color: var(--color-border);
}

/* CTA Section */
.cta-section {
  background: var(--color-bg-dark);
  color: var(--color-white);
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  overflow-x: hidden;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.cta-section p {
  color: var(--color-accent-light);
  max-width: 500px;
  margin: 0 auto var(--spacing-md);
}

.cta-section .btn {
  border-color: var(--color-accent-light);
  max-width: 100%;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  line-height: 1.45;
  text-align: center;
  font-size: clamp(0.52rem, 2.2vw + 0.2rem, 0.9rem);
  padding: 0.9rem clamp(0.65rem, 2.5vw, 2.2rem);
}

@supports (font-size: 1cqi) {
  .cta-section .btn {
    font-size: clamp(0.52rem, 4.1cqi, 0.9rem);
    letter-spacing: clamp(0.02em, 0.32cqi, 0.1em);
  }
}

/* ============================================
   Legal Pages (Impressum, Datenschutz)
   ============================================ */

.page-hero {
  padding: calc(var(--header-height) + var(--spacing-lg)) var(--spacing-md) var(--spacing-md);
  text-align: center;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-xl);
}

.legal-content h2 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-size: 1.4rem;
}

.legal-content h3 {
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  font-size: 1.15rem;
}

.legal-content p,
.legal-content li {
  font-size: 0.95rem;
}

.legal-content ul {
  list-style: disc;
  padding-left: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.legal-content li {
  color: var(--color-text-light);
  margin-bottom: 0.25rem;
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-accent-light);
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-md);
}

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
  display: inline-block;
}

.footer-brand p {
  color: var(--color-accent-light);
  font-size: 0.9rem;
}

.footer-nav h4,
.footer-contact h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.footer-nav ul li {
  margin-bottom: 0.4rem;
}

.footer-nav a,
.footer-contact a {
  color: var(--color-accent-light);
  font-size: 0.9rem;
}

.footer-nav a:hover,
.footer-contact a:hover {
  color: var(--color-white);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: var(--spacing-md) auto 0;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-footer-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--color-accent-light);
}

.footer-bottom a {
  color: var(--color-accent-light);
}

/* ============================================
   Scroll & load reveal animations
   ============================================ */

.reveal {
  opacity: 0;
  transition:
    opacity var(--reveal-duration) var(--reveal-ease),
    transform var(--reveal-duration) var(--reveal-ease);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}

.reveal--up {
  transform: translateY(32px);
}

.reveal--down {
  transform: translateY(-16px);
}

.reveal--left {
  transform: translateX(-36px);
}

.reveal--right {
  transform: translateX(36px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.feature-card.reveal.is-visible:hover {
  transform: translateY(-4px);
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero::before {
    animation: none;
    opacity: 0.15;
    transform: none;
  }
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
  :root {
    --spacing-md: 1.25rem;
  }

  .header-inner {
    padding: 0 var(--spacing-md);
  }

  .logo {
    font-size: 1.5rem;
    max-width: calc(100% - 3rem);
    line-height: 1.2;
  }

  .site-header.scrolled .logo {
    font-size: 1.35rem;
  }

  .nav-toggle {
    display: block;
    flex-shrink: 0;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    z-index: 999;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md);
    box-shadow: 0 12px 24px var(--color-shadow);
    transform: translateY(calc(-100% - var(--header-height)));
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      top var(--transition),
      transform var(--transition),
      opacity var(--transition),
      visibility var(--transition);
  }

  .site-header.scrolled .main-nav {
    top: var(--header-height-scrolled);
    max-height: calc(100vh - var(--header-height-scrolled));
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .main-nav ul {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: stretch;
  }

  .main-nav a {
    display: block;
    padding: 0.65rem 0;
    font-size: 1rem;
  }

  .site-header.scrolled .main-nav a {
    font-size: 1rem;
    padding: 0.65rem 0;
  }

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

  .section {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .hero {
    padding: calc(var(--header-height) + var(--spacing-md)) var(--spacing-md) var(--spacing-md);
    min-height: calc(100vh - 2rem);
  }

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

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-xs);
    text-align: center;
  }

  .btn-outline {
    margin-left: 0;
    margin-top: var(--spacing-sm);
  }

  .hero .btn {
    display: block;
    margin: 0.5rem auto;
    max-width: 280px;
  }

  .cta-section .btn {
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
  }
}

body.nav-open {
  overflow: hidden;
}