/* Custom Properties */
:root {
  --color-primary-bg: #1f1b17;
  --color-secondary-bg: #2a2521;
  --color-surface: rgba(255, 255, 255, 0.05);
  --color-text-primary: #f5f2ee;
  --color-text-secondary: rgba(245, 242, 238, 0.72);
  --color-accent: #c9a45c;
  --color-accent-hover: #b8924e;
  --color-divider: rgba(245, 242, 238, 0.14);
  --border-radius: 22px;
  --border-radius-lg: 26px;
  --transition: all 0.3s ease;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--color-primary-bg);
  color: var(--color-text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Background Colors */
.bg-primary {
  background-color: var(--color-primary-bg);
}

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

/* Text Colors */
.text-primary {
  color: var(--color-text-primary);
}

.text-secondary {
  color: var(--color-text-secondary);
}

.text-accent {
  color: var(--color-accent);
}

/* Header */
.header-fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(31, 27, 23, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-divider);
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  border-radius: 8px;
}

.nav-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link-active {
  color: var(--color-accent);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link-active::after {
  width: 100%;
}

/* Mobile Menu */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: var(--transition);
}

.mobile-menu {
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  background: rgba(42, 37, 33, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-divider);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  max-height: calc(100vh - 80px);
  overflow-y: auto;
}

.mobile-menu.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.nav-link-mobile {
  display: block;
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-divider);
  transition: var(--transition);
}

.nav-link-mobile:hover {
  color: var(--color-accent);
  padding-left: 8px;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--color-accent);
  color: var(--color-primary-bg);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 12px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(201, 164, 92, 0.3);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: transparent;
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--color-divider);
  border-radius: 12px;
  transition: var(--transition);
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
  position: relative;
  background: var(--color-primary-bg);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.hero-image-wrapper {
  position: relative;
}

.hero-image {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  object-fit: cover;
}

.decorative-element {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.15;
  pointer-events: none;
}

.decorative-element-1 {
  width: 300px;
  height: 300px;
  background: var(--color-accent);
  top: -50px;
  right: -50px;
}

.decorative-element-2 {
  width: 200px;
  height: 200px;
  background: var(--color-accent-hover);
  bottom: -30px;
  left: -30px;
}

/* Sections */
.section-padding {
  padding: 100px 0;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

/* Project Type Items */
.project-type-item {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.project-type-item:hover {
  border-color: var(--color-accent);
  transform: translateX(8px);
}

.project-type-marker {
  width: 8px;
  min-width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  margin-top: 10px;
}

/* Principle Cards */
.principle-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--border-radius);
  padding: 32px;
  transition: var(--transition);
}

.principle-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.principle-number {
  font-size: 0.875rem;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}

.principle-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}

.principle-text {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Services Grid */
.services-grid {
  display: grid;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--border-radius);
  padding: 32px;
  transition: var(--transition);
}

.service-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.service-number {
  font-size: 0.875rem;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: 0.1em;
}

.service-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 20px;
}

.service-subtitle {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 8px;
}

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

/* Approach Quote */
.approach-quote {
  position: relative;
  padding: 48px;
  background: var(--color-surface);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--border-radius);
}

.quote-mark {
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 80px;
  color: var(--color-accent);
  opacity: 0.2;
  line-height: 1;
}

.approach-text {
  font-size: 1.25rem;
  color: var(--color-text-primary);
  line-height: 1.8;
  font-style: italic;
  position: relative;
  z-index: 1;
}

.list-marker {
  color: var(--color-accent);
  margin-right: 12px;
  font-weight: 700;
}

/* Image Showcase */
.showcase-image-wrapper {
  overflow: hidden;
  border-radius: var(--border-radius);
  position: relative;
}

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

.showcase-image-wrapper:hover .showcase-image {
  transform: scale(1.05);
}

/* Contact Form */
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--border-radius);
  padding: 48px;
}

@media (max-width: 768px) {
  .contact-form {
    padding: 32px 24px;
  }
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  color: var(--color-text-primary);
  font-weight: 500;
  font-size: 0.95rem;
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-divider);
  border-radius: 12px;
  color: var(--color-text-primary);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.05);
}

.form-input::placeholder {
  color: rgba(245, 242, 238, 0.4);
}

textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

.form-checkbox {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  cursor: pointer;
  accent-color: var(--color-accent);
}

.form-error {
  display: block;
  color: #ff6b6b;
  font-size: 0.85rem;
  margin-top: 6px;
  min-height: 20px;
}

/* Footer */
.footer {
  background: var(--color-secondary-bg);
  border-top: 1px solid var(--color-divider);
  padding: 80px 0 40px;
}

.footer-heading {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}

.footer-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: rgba(42, 37, 33, 0.98);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--color-divider);
  padding: 20px;
  transform: translateY(100%);
  transition: var(--transition);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 768px) {
  .cookie-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cookie-text {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  flex: 1;
}

.cookie-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.cookie-btn {
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.cookie-btn-accept {
  background: var(--color-accent);
  color: var(--color-primary-bg);
}

.cookie-btn-accept:hover {
  background: var(--color-accent-hover);
}

.cookie-btn-decline {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-divider);
}

.cookie-btn-decline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.cookie-link {
  color: var(--color-accent);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.cookie-link:hover {
  color: var(--color-accent-hover);
}

/* Responsive */
@media (max-width: 1024px) {
  .section-padding {
    padding: 80px 0;
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }

  .hero-section {
    min-height: auto;
  }

  .approach-quote {
    padding: 32px 24px;
  }

  .approach-text {
    font-size: 1.1rem;
  }
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Selection */
::selection {
  background: var(--color-accent);
  color: var(--color-primary-bg);
}