/*
Theme Name: GKD2026
Theme URI: goldkueste-design.de
Description: A modern, bold creative studio WordPress theme with smooth animations, interactive elements, and Elementor compatibility. Perfect for agencies, studios, and creative portfolios.
Version: 1.0.0
Requires at least: 5.0
Tested up to: 6.4
Requires PHP: 7.4
Author: Goldküste Design
Author URI: https://goldkueste-design.de
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: gkd2026
Tags: creative, portfolio, minimal, modern, studio, agency, elementor, animation, bold-design, custom-post-types
*/

/* ========================================
   CSS RESET & BASE
======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-black: #0a0a0a;
  --color-white: #ffffff;
  --color-gray: #666666;
  --color-light-gray: #f5f5f5;
  --color-border: #e0e0e0;
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: var(--font-primary);
  color: var(--color-black);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a:hover {
  opacity: 0.7;
}

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

/* ========================================
   TYPOGRAPHY
======================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 8vw, 6rem); }
h2 { font-size: clamp(2rem, 5vw, 4rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.8;
}

/* ========================================
   LAYOUT CONTAINERS
======================================== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.container-wide {
  max-width: 1800px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

/* ========================================
   HEADER & NAVIGATION
======================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: 1.5rem 0;
  transition: var(--transition);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.main-navigation ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.main-navigation a {
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
}

.main-navigation a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-black);
  transition: width 0.3s ease;
}

.main-navigation a:hover::after {
  width: 100%;
}

.cta-button {
  padding: 0.75rem 1.5rem;
  background-color: var(--color-black);
  color: var(--color-white);
  border-radius: 50px;
  font-weight: 500;
  transition: var(--transition);
}

.cta-button:hover {
  background-color: var(--color-gray);
  opacity: 1;
  transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ========================================
   HERO SECTION
======================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 8rem 2rem 4rem;
  position: relative;
}

.hero-logo {
  font-size: clamp(4rem, 15vw, 12rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.9;
  margin-bottom: 2rem;
}

.hero-tagline {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  color: var(--color-gray);
  margin-bottom: 1rem;
  font-weight: 400;
}

.hero-location {
  font-size: 0.95rem;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-social {
  display: flex;
  gap: 1.5rem;
  margin-top: 3rem;
  font-size: 0.9rem;
  color: var(--color-gray);
}

/* ========================================
   PARTNER LOGOS MARQUEE
======================================== */
.partners-section {
  padding: 6rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
  background-color: var(--color-white);
}

/* Circular Images Infinite Scroll */
.circular-images-track {
  width: 100%;
  overflow: hidden;
  position: relative;
}

.circular-images-scroll {
  display: flex;
  gap: 2rem;
  padding: 2rem 0;
  animation: infiniteScroll 40s linear infinite;
  width: fit-content;
}

.circular-images-scroll:hover {
  animation-play-state: paused;
}

@keyframes infiniteScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.circular-image-item {
  position: relative;
  flex-shrink: 0;
  width: 280px;
  height: 280px;
  cursor: pointer;
  transition: transform 0.3s var(--transition);
}

.circular-image-item:hover {
  transform: scale(1.05);
}

.circular-frame {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-border);
  transition: var(--transition);
}

.circular-image-item:hover .circular-frame {
  border-color: var(--color-black);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.circular-image-item:hover .image-overlay {
  opacity: 1;
}

.image-overlay span {
  color: var(--color-white);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
  padding: 0 1rem;
}

/* ========================================
   LATEST PROJECTS GRID
======================================== */
.projects-section {
  padding: 6rem 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 600;
}

.section-copyright {
  font-size: 0.9rem;
  color: var(--color-gray);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  aspect-ratio: 4/3;
  background-color: var(--color-light-gray);
  cursor: pointer;
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.project-card:hover .project-image {
  transform: scale(1.05);
}

.project-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  color: white;
  transform: translateY(100%);
  transition: var(--transition);
}

.project-card:hover .project-info {
  transform: translateY(0);
}

.project-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.project-date {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* ========================================
   SERVICES SECTION
======================================== */
.services-section {
  padding: 6rem 0;
  background-color: var(--color-light-gray);
}

.services-intro {
  max-width: 800px;
  margin: 0 auto 4rem;
  text-align: center;
}

.services-intro h2 {
  margin-bottom: 2rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: var(--color-white);
  padding: 2.5rem;
  border-radius: 12px;
  transition: var(--transition);
  cursor: pointer;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.service-number {
  font-size: 0.85rem;
  color: var(--color-gray);
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

.service-title {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.service-description {
  color: var(--color-gray);
  margin-bottom: 1.5rem;
}

.service-arrow {
  width: 24px;
  height: 24px;
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover .service-arrow {
  opacity: 1;
  transform: translateX(4px);
}

/* ========================================
   STATS SECTION
======================================== */
.stats-section {
  padding: 6rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  text-align: center;
}

.stat-item {
  padding: 2rem;
}

.stat-value {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--color-black), var(--color-gray));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 1rem;
  color: var(--color-gray);
}

/* ========================================
   TESTIMONIALS SECTION
======================================== */
.testimonials-section {
  padding: 6rem 0;
  background-color: var(--color-light-gray);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.testimonial-card {
  background-color: var(--color-white);
  padding: 2.5rem;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.testimonial-text {
  font-size: 1.1rem;
  line-height: 1.7;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-image {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.author-name {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.author-title {
  font-size: 0.9rem;
  color: var(--color-gray);
}

/* ========================================
   FAQ SECTION
======================================== */
.faq-section {
  padding: 6rem 0;
}

.faq-list {
  max-width: 900px;
  margin: 3rem auto 0;
}

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

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.5rem 0;
  font-size: 1.25rem;
  font-weight: 600;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--color-gray);
}

.faq-icon {
  width: 24px;
  height: 24px;
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding-bottom: 1.5rem;
}

.faq-answer p {
  color: var(--color-gray);
  line-height: 1.8;
}

/* ========================================
   NEWSLETTER SECTION
======================================== */
.newsletter-section {
  padding: 6rem 0;
  background-color: var(--color-black);
  color: var(--color-white);
  text-align: center;
}

.newsletter-content {
  max-width: 600px;
  margin: 0 auto;
}

.newsletter-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.newsletter-subtitle {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 2rem;
}

.newsletter-form {
  display: flex;
  gap: 1rem;
  max-width: 500px;
  margin: 0 auto;
}

.newsletter-input {
  flex: 1;
  padding: 1rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  border-radius: 50px;
  font-size: 1rem;
  transition: var(--transition);
}

.newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.15);
}

.newsletter-submit {
  padding: 1rem 2rem;
  background-color: var(--color-white);
  color: var(--color-black);
  border: none;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.newsletter-submit:hover {
  background-color: var(--color-light-gray);
  transform: translateY(-2px);
}

/* ========================================
   FOOTER
======================================== */
.site-footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.footer-email a {
  color: var(--color-white);
  text-decoration: underline;
}

.footer-links h4 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-white);
  opacity: 1;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

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

.footer-social a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.1rem;
}

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .main-navigation {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background-color: var(--color-white);
    padding: 5rem 2rem;
    transition: var(--transition);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  }

  .main-navigation.active {
    right: 0;
  }

  .main-navigation ul {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .newsletter-form {
    flex-direction: column;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  /* Circular Images Mobile */
  .circular-image-item {
    width: 220px;
    height: 220px;
  }

  .circular-images-scroll {
    gap: 1.5rem;
    padding: 1.5rem 0;
  }

  .image-overlay span {
    font-size: 0.95rem;
  }
}

/* ========================================
   UTILITY CLASSES
======================================== */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }