/*
 * MebleniProektiPlovdiv - Main Stylesheet
 * Mobile-first, lightweight, no external frameworks
 */

:root {
  --color-bg: #ffffff;
  --color-text: #2b2b2b;
  --color-accent: #f18b1b;
  --color-accent-dark: #d77612;
  --color-primary: #68427a;
  --color-primary-dark: #563165;
  --color-border: #e3e3e3;
  --shadow-soft: 0 8px 20px rgba(0, 0, 0, 0.06);
  --radius-lg: 18px;
  --radius-xl: 26px;
  --transition-fast: 0.18s ease-out;
  --max-width: 1120px;
}

/* Global reset / base */

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover,
a:focus {
  text-decoration: underline;
}

button {
  font-family: inherit;
}

/* Layout helpers */

.page-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */

.site-header {
  padding: 0.75rem 0;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.site-logo {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.site-title-group {
  text-align: left;
}

.site-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
}

.site-subtitle {
  margin: 0.15rem 0 0;
  font-size: 0.85rem;
  color: #666;
}

/* Hero */

.hero {
  padding: 1.5rem 0 2rem;
}

.hero-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.hero-title {
  font-size: 1.6rem;
  margin: 0 0 0.75rem;
  color: var(--color-primary-dark);
}

.hero-text {
  font-size: 0.98rem;
  line-height: 1.6;
  margin: 0 0 1.5rem;
  color: #555;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: stretch;
  justify-content: center;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #ffffff;
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover,
.btn-primary:focus {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.10);
}

.btn-outline {
  background: #ffffff;
  color: var(--color-primary-dark);
  border-color: rgba(86, 49, 101, 0.25);
}

.btn-outline:hover,
.btn-outline:focus {
  background: rgba(104, 66, 122, 0.04);
}

/* Section titles */

.section {
  padding: 2rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.section-title {
  margin: 0;
  font-size: 1.3rem;
  color: var(--color-primary-dark);
}

.section-subtitle {
  margin: 0.5rem auto 0;
  max-width: 32rem;
  font-size: 0.92rem;
  color: #666;
}

/* Workflow */

.workflow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.workflow-item {
  border-radius: var(--radius-lg);
  padding: 1rem;
  background: #faf7fc;
  border: 1px solid rgba(104, 66, 122, 0.08);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.workflow-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.workflow-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.workflow-title {
  font-size: 1rem;
  margin: 0;
  color: var(--color-primary-dark);
}

.workflow-text {
  font-size: 0.9rem;
  margin: 0.4rem 0 0;
  color: #555;
}

/* CTA */

.cta {
  padding: 2rem 0 2.5rem;
}

.cta-card {
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #ffffff;
  padding: 1.5rem 1.4rem;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.cta-title {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
}

.cta-text {
  margin: 0 0 1.3rem;
  font-size: 0.95rem;
  opacity: 0.95;
}

/* Projects list */

.projects-intro {
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
  color: #555;
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.project-card {
  border-radius: var(--radius-lg);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #f5f2f8;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-fast);
}

.project-card:hover .project-thumb img {
  transform: scale(1.03);
}

.project-body {
  padding: 0.85rem 1rem 1rem;
}

.project-title {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  color: var(--color-primary-dark);
}

.project-meta {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #777;
}

.project-material {
  font-size: 0.9rem;
  margin-top: 0.4rem;
  color: #555;
}

/* Single project */

.project-page-header {
  margin-bottom: 1.5rem;
}

.project-page-title {
  margin: 0 0 0.4rem;
  font-size: 1.4rem;
  color: var(--color-primary-dark);
}

.project-page-meta {
  font-size: 0.9rem;
  color: #777;
}

.project-page-meta span + span::before {
  content: "•";
  margin: 0 0.4rem;
}

.project-description {
  margin: 0.75rem 0 1.5rem;
  font-size: 0.96rem;
  color: #555;
  line-height: 1.7;
}

/* Galleries */

.gallery-section {
  margin-bottom: 2rem;
}

.gallery-title {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
  color: var(--color-primary-dark);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.4rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #f3eef7;
  cursor: zoom-in;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.gallery-item:hover img {
  transform: scale(1.03);
}

/* Lightbox */

#lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 10, 25, 0.84);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

#lightbox-overlay.is-active {
  display: flex;
}

.lightbox-inner {
  position: relative;
  max-width: 96vw;
  max-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: 100%;
  border-radius: 14px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: -4px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.75);
  color: #ffffff;
  font-size: 1.1rem;
  cursor: pointer;
}

.lightbox-nav {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}

.lightbox-arrow {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.7);
  color: #ffffff;
  font-size: 1.3rem;
  cursor: pointer;
  pointer-events: auto;
}

/* Contact form */

.contact-wrapper {
  max-width: 640px;
  margin: 0 auto;
}

.contact-intro {
  margin: 0 0 1.25rem;
  font-size: 0.96rem;
  color: #555;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-label {
  font-size: 0.86rem;
  font-weight: 600;
  color: #555;
}

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

.form-input,
.form-textarea {
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  background-color: #fafafa;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(104, 66, 122, 0.25);
  background-color: #ffffff;
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-error {
  font-size: 0.8rem;
  color: #c0392b;
}

.form-success {
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  background: #ecf9f1;
  border: 1px solid #b5e4c6;
  font-size: 0.9rem;
  color: #23653a;
  margin-bottom: 1rem;
}

/* Footer */

.site-footer {
  margin-top: auto;
  border-top: 1px solid #eee;
  padding: 1.25rem 0 1.5rem;
  font-size: 0.86rem;
  color: #777;
  background: #faf7fc;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  text-align: center;
}

.footer-row {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.footer-link {
  color: var(--color-primary);
  text-decoration: none;
}

.footer-link:hover {
  text-decoration: underline;
}

.footer-meta {
  font-size: 0.8rem;
}

/* Utility classes */

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

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  background: rgba(104, 66, 122, 0.08);
  color: var(--color-primary-dark);
}

/* -------------- RESPONSIVE -------------- */

@media (min-width: 640px) {
  .hero-card {
    padding: 2rem 2.1rem;
  }

  .hero-title {
    font-size: 1.9rem;
  }

  .hero-buttons {
    flex-direction: row;
    gap: 1rem;
  }

  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gallery-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-inner {
    text-align: left;
  }

  .footer-row {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .site-header-inner {
    justify-content: space-between;
  }

  .hero {
    padding-top: 2rem;
  }

  .hero-card {
    display: grid;
    grid-template-columns: 3fr 2fr;
    align-items: center;
    text-align: left;
    column-gap: 2rem;
  }

  .hero-buttons {
    justify-content: flex-end;
  }

  .workflow-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .projects-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .gallery-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}