/* =========================
   TreppenMeister Berlin – NATURE ORGANIC STYLE
   ========================= */

/* ====== CSS VARIABLES ====== */
:root {
  /* Brand Colors */
  --color-primary: #263238; /* Deep earth/stone */
  --color-secondary: #BCA27A; /* Warm sand/wood */
  --color-accent: #F5F4F0; /* Light neutral background */
  --color-green: #6B8E4E; /* Organic green accent */
  --color-green-dark: #4B6B2F;
  --color-brown: #8D6748; /* Earthy brown */
  --color-grey: #E5E2DA;
  --color-white: #fff;
  --color-black: #181C1A;
  --color-shadow: rgba(38,50,56,0.08);
  --color-shadow-strong: rgba(38,50,56,0.16);

  /* Typography */
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Roboto', Arial, Helvetica, sans-serif;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 20px;
  --space-lg: 30px;
  --space-xl: 40px;
  --space-xxl: 60px;

  /* Border radius for organic shapes */
  --radius-sm: 12px;
  --radius-md: 24px;
  --radius-lg: 40px;
  --radius-full: 999px;

  /* Transition */
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
}

/* ====== RESET & BASE ====== */
html {
  box-sizing: border-box;
  font-size: 16px;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  color: var(--color-primary);
  background: var(--color-accent);
  min-height: 100vh;
  line-height: 1.7;
  letter-spacing: 0.01em;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}
a {
  color: var(--color-green-dark);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-green);
  text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary);
  margin-top: 0;
  margin-bottom: var(--space-sm);
  font-weight: 700;
  letter-spacing: 0.01em;
}
h1 {
  font-size: 2.2rem;
  margin-bottom: var(--space-md);
}
h2 {
  font-size: 1.6rem;
  margin-bottom: var(--space-md);
}
h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}

p, ul, ol {
  margin-top: 0;
  margin-bottom: var(--space-md);
}
ul, ol {
  padding-left: var(--space-lg);
}
li {
  margin-bottom: var(--space-xs);
}
strong {
  color: var(--color-green-dark);
  font-weight: 600;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.content-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* ====== HEADER & NAVIGATION ====== */
header {
  background: var(--color-accent);
  box-shadow: 0 2px 12px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  justify-content: flex-start;
}
.main-nav a {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  transition: background var(--transition), color var(--transition);
  position: relative;
}
.main-nav a.cta {
  background: linear-gradient(90deg, var(--color-green) 60%, var(--color-secondary) 100%);
  color: var(--color-white);
  font-weight: 700;
  box-shadow: 0 2px 8px var(--color-shadow);
  border-radius: var(--radius-full);
  padding: var(--space-xs) var(--space-lg);
  margin-left: var(--space-md);
  transition: background var(--transition), box-shadow var(--transition);
}
.main-nav a.cta:hover, .main-nav a.cta:focus {
  background: linear-gradient(90deg, var(--color-green-dark) 60%, var(--color-secondary) 100%);
  box-shadow: 0 4px 16px var(--color-shadow-strong);
}
.main-nav a:hover, .main-nav a:focus {
  background: var(--color-grey);
  color: var(--color-green-dark);
}
.main-nav img {
  height: 40px;
  margin-right: var(--space-md);
  border-radius: 0;
}

/* ====== MOBILE NAVIGATION ====== */
.mobile-menu-toggle {
  display: none;
  background: var(--color-green);
  color: var(--color-white);
  border: none;
  font-size: 2rem;
  border-radius: var(--radius-full);
  padding: var(--space-xs) var(--space-md);
  margin-left: auto;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 8px var(--color-shadow);
}
.mobile-menu-toggle:active {
  background: var(--color-green-dark);
}

.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(38,50,56,0.92);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-start;
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.4s cubic-bezier(.4,0,.2,1), opacity 0.3s;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2.2rem;
  margin: var(--space-md) var(--space-md) 0 0;
  cursor: pointer;
  transition: color var(--transition);
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  color: var(--color-secondary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-lg);
  margin: var(--space-xl) var(--space-xl) 0 var(--space-xl);
  width: 80vw;
  max-width: 350px;
}
.mobile-nav a {
  color: var(--color-white);
  font-size: 1.2rem;
  font-family: var(--font-display);
  font-weight: 600;
  padding: var(--space-sm) 0;
  border-radius: var(--radius-full);
  width: 100%;
  transition: background var(--transition), color var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  background: var(--color-green);
  color: var(--color-accent);
  padding-left: var(--space-md);
}

@media (max-width: 1024px) {
  .main-nav {
    gap: var(--space-sm);
  }
  .main-nav img {
    height: 34px;
    margin-right: var(--space-sm);
  }
}
@media (max-width: 900px) {
  .main-nav {
    gap: var(--space-xs);
  }
}
@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
    position: absolute;
    top: var(--space-sm);
    right: var(--space-md);
    z-index: 1001;
  }
}

/* ====== HERO SECTION ====== */
.hero {
  background: linear-gradient(120deg, var(--color-accent) 70%, var(--color-green) 100%);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  box-shadow: 0 4px 24px var(--color-shadow);
  margin-bottom: var(--space-xxl);
  padding: var(--space-xl) 0 var(--space-xxl) 0;
  position: relative;
  overflow: hidden;
}
.hero .container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-lg);
}
.hero h1 {
  color: var(--color-green-dark);
  font-size: 2.4rem;
  margin-bottom: var(--space-sm);
}
.hero p {
  color: var(--color-primary);
  font-size: 1.15rem;
  margin-bottom: var(--space-lg);
}
.hero .cta {
  background: var(--color-green);
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: 700;
  border-radius: var(--radius-full);
  padding: var(--space-sm) var(--space-xl);
  box-shadow: 0 2px 12px var(--color-shadow);
  font-size: 1.1rem;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  display: inline-block;
}
.hero .cta:hover, .hero .cta:focus {
  background: var(--color-green-dark);
  box-shadow: 0 4px 24px var(--color-shadow-strong);
  transform: translateY(-2px) scale(1.03);
}

/* ====== SECTIONS & SPACING ====== */
section {
  margin-bottom: var(--space-xxl);
  padding: var(--space-xl) var(--space-md);
  background: var(--color-accent);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 12px var(--color-shadow);
}
.features, .about-preview, .services-preview, .gallery-preview, .testimonials-preview, .cta {
  background: var(--color-grey);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 12px var(--color-shadow);
}

/* MANDATORY SPACING CLASSES */
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
}
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px var(--color-shadow);
  padding: var(--space-lg);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover, .card:focus-within {
  box-shadow: 0 6px 24px var(--color-shadow-strong);
  transform: translateY(-2px) scale(1.02);
}
.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px var(--color-shadow);
  margin-bottom: 20px;
  color: var(--color-primary);
  font-size: 1.05rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
.testimonial-card:hover, .testimonial-card:focus-within {
  box-shadow: 0 6px 24px var(--color-shadow-strong);
  transform: translateY(-2px) scale(1.01);
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* ====== FEATURES GRID ====== */
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  justify-content: flex-start;
}
.feature-grid > div {
  flex: 1 1 220px;
  min-width: 220px;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px var(--color-shadow);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-grid > div:hover {
  box-shadow: 0 6px 24px var(--color-shadow-strong);
  transform: translateY(-2px) scale(1.01);
}

/* ====== CTA SECTION ====== */
.cta {
  background: linear-gradient(100deg, var(--color-green) 60%, var(--color-secondary) 100%);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px var(--color-shadow-strong);
  text-align: left;
}
.cta h2, .cta p, .cta strong {
  color: var(--color-white);
}
.cta .cta {
  background: var(--color-white);
  color: var(--color-green-dark);
  font-weight: 700;
  border-radius: var(--radius-full);
  padding: var(--space-sm) var(--space-xl);
  margin-bottom: var(--space-md);
  box-shadow: 0 2px 12px var(--color-shadow);
  transition: background var(--transition), color var(--transition), transform var(--transition);
  display: inline-block;
}
.cta .cta:hover, .cta .cta:focus {
  background: var(--color-secondary);
  color: var(--color-white);
  transform: translateY(-2px) scale(1.03);
}

/* ====== FOOTER ====== */
footer {
  background: var(--color-primary);
  color: var(--color-accent);
  padding: var(--space-lg) 0 var(--space-md) 0;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: 0 -2px 12px var(--color-shadow);
  margin-top: var(--space-xxl);
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-sm);
}
.footer-nav a {
  color: var(--color-secondary);
  font-family: var(--font-display);
  font-size: 1rem;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  transition: background var(--transition), color var(--transition);
}
.footer-nav a:hover, .footer-nav a:focus {
  background: var(--color-green);
  color: var(--color-white);
}
footer p {
  text-align: center;
  font-size: 0.95rem;
  margin: 0;
  color: var(--color-accent);
}

/* ====== COOKIE CONSENT BANNER ====== */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: 0 -2px 16px var(--color-shadow-strong);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  z-index: 99999;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s, transform 0.4s cubic-bezier(.4,0,.2,1);
}
.cookie-banner.hide {
  opacity: 0;
  pointer-events: none;
  transform: translateY(100%);
}
.cookie-banner .cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}
.cookie-banner button {
  font-family: var(--font-display);
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-full);
  padding: var(--space-xs) var(--space-lg);
  margin: 0;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 8px var(--color-shadow);
}
.cookie-banner .accept {
  background: var(--color-green);
  color: var(--color-white);
  font-weight: 700;
}
.cookie-banner .accept:hover, .cookie-banner .accept:focus {
  background: var(--color-green-dark);
}
.cookie-banner .reject {
  background: var(--color-secondary);
  color: var(--color-white);
  font-weight: 700;
}
.cookie-banner .reject:hover, .cookie-banner .reject:focus {
  background: var(--color-brown);
}
.cookie-banner .settings {
  background: var(--color-accent);
  color: var(--color-green-dark);
  border: 1px solid var(--color-green);
}
.cookie-banner .settings:hover, .cookie-banner .settings:focus {
  background: var(--color-green);
  color: var(--color-white);
}

/* ====== COOKIE MODAL ====== */
.cookie-modal {
  position: fixed;
  left: 0; right: 0; top: 0; bottom: 0;
  background: rgba(38,50,56,0.85);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.cookie-modal.open {
  opacity: 1;
  pointer-events: auto;
}
.cookie-modal-content {
  background: var(--color-white);
  color: var(--color-primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 32px var(--color-shadow-strong);
  padding: var(--space-xl) var(--space-lg);
  min-width: 320px;
  max-width: 95vw;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: relative;
}
.cookie-modal-content h2 {
  margin-bottom: var(--space-sm);
}
.cookie-modal-content .close-modal {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 2rem;
  cursor: pointer;
  transition: color var(--transition);
}
.cookie-modal-content .close-modal:hover, .cookie-modal-content .close-modal:focus {
  color: var(--color-green);
}
.cookie-category {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.cookie-category label {
  font-weight: 500;
  color: var(--color-green-dark);
}
.cookie-category input[type="checkbox"] {
  accent-color: var(--color-green);
  width: 20px;
  height: 20px;
}
.cookie-category input[disabled] {
  opacity: 0.6;
}
.cookie-modal-content .cookie-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
}

/* ====== ORGANIC/NATURE VISUALS ====== */
section, .card, .testimonial-card, .feature-grid > div {
  /* Subtle organic shadow and rounded corners */
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 12px var(--color-shadow);
}

/* Organic shape accent (decorative, not content) */
.organic-shape {
  position: absolute;
  z-index: 0;
  pointer-events: none;
  opacity: 0.12;
  border-radius: 60% 40% 30% 70%/60% 30% 70% 40%;
  background: var(--color-green);
  width: 220px;
  height: 120px;
  top: -40px;
  right: -60px;
  filter: blur(8px);
}

/* ====== RESPONSIVE DESIGN ====== */
@media (max-width: 1024px) {
  .container {
    max-width: 95vw;
  }
  section {
    padding: var(--space-lg) var(--space-sm);
  }
}
@media (max-width: 900px) {
  .feature-grid {
    gap: var(--space-md);
  }
}
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  .container {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }
  section {
    padding: var(--space-md) var(--space-xs);
    margin-bottom: var(--space-xl);
  }
  .feature-grid {
    flex-direction: column;
    gap: var(--space-md);
  }
  .text-image-section {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
  .content-grid {
    flex-direction: column;
    gap: var(--space-md);
  }
  .footer-nav {
    flex-direction: column;
    gap: var(--space-xs);
  }
  .hero {
    padding: var(--space-lg) 0 var(--space-xl) 0;
  }
}
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  .hero h1 {
    font-size: 1.5rem;
  }
  .hero .cta, .cta .cta {
    padding: var(--space-xs) var(--space-lg);
    font-size: 1rem;
  }
  .cookie-modal-content {
    padding: var(--space-lg) var(--space-md);
    min-width: 0;
  }
}

/* ====== MICRO-INTERACTIONS & TRANSITIONS ====== */
button, a.cta, .card, .testimonial-card, .feature-grid > div {
  transition: box-shadow var(--transition), background var(--transition), color var(--transition), transform var(--transition);
}

/* ====== ACCESSIBILITY ====== */
:focus {
  outline: 2px solid var(--color-green);
  outline-offset: 2px;
}

/* ====== UTILITIES ====== */
.hide {
  display: none !important;
}

/* ====== END OF CSS ====== */