/* ===================================
   DJR SERVICES - MAIN STYLESHEET
   Modern, Professional Design System
   =================================== */

/* === CSS VARIABLES (DESIGN TOKENS) === */
:root {
  /* Primary Color Palette - Custom Orange Theme */
  --color-primary: #ffa500;
  --color-primary-dark: #c78d05;
  --color-primary-light: #ffcf00;
  --color-accent: #ffa500;
  --color-accent-dark: #c78d05;
  --color-accent-light: #ffcf00;

  /* Neutral Colors */
  --color-dark: #000000;
  --color-dark-alt: #333333;
  --color-gray: #666666;
  --color-gray-light: #cccccc;
  --color-gray-lighter: #f0f1f5;
  --color-white: #ffffff;

  /* Semantic Colors */
  --color-success: #10b981;
  --color-error: #ef4444;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;

  /* Container Widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
}

/* === RESET & BASE STYLES === */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === TYPOGRAPHY === */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: var(--text-5xl);
}

h2 {
  font-size: var(--text-4xl);
}

h3 {
  font-size: var(--text-3xl);
}

h4 {
  font-size: var(--text-2xl);
}

h5 {
  font-size: var(--text-xl);
}

h6 {
  font-size: var(--text-lg);
}

p {
  margin-bottom: var(--space-sm);
  color: var(--color-gray);
}

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

a:hover {
  color: var(--color-primary-dark);
}

/* === LAYOUT === */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-narrow {
  max-width: var(--container-lg);
}

.section {
  padding: var(--space-3xl) 0;
}

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

/* === GRID SYSTEM === */
.grid {
  display: grid;
  gap: var(--space-lg);
}

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

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

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

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: var(--color-white);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: var(--color-white);
}

.btn-green {
  background: linear-gradient(135deg, #8dcf42 50%, #007739 50%);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-green:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: var(--color-white);
}

.btn-ebay {
  background: #0064D2;
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-ebay:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  background: #0053BA;
  color: var(--color-white);
}

.btn-amazon {
  background: #FF9900;
  color: #000000;
  box-shadow: var(--shadow-md);
  font-weight: 700;
}

.btn-amazon:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  background: #FF8800;
  color: #000000;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-lg);
}

/* === NAVIGATION === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-sm);
  padding-bottom: var(--space-sm);
}

.navbar-logo {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-dark);
  text-decoration: none;
}

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

.navbar-menu {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  align-items: center;
}

.navbar-menu a {
  color: var(--color-dark);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.navbar-menu a:hover {
  color: var(--color-primary);
}

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--text-2xl);
  cursor: pointer;
  color: var(--color-dark);
}

/* === HERO SECTION === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  color: var(--color-white);
  font-size: var(--text-6xl);
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.8s ease-out;
}

.hero-tagline {
  color: var(--color-gray-light);
  font-size: var(--text-xl);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

/* === CARDS === */
.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  height: 100%;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #7dd956 0%, #4caf50 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.card h3 {
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
}

.card p {
  color: var(--color-gray);
  margin-bottom: var(--space-md);
}

/* === FORMS === */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-dark);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  border: 2px solid var(--color-gray-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  background: var(--color-white);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
}

.form-checkbox input {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.form-error {
  color: var(--color-error);
  font-size: var(--text-sm);
  margin-top: var(--space-xs);
}

/* === TESTIMONIALS === */
.testimonial {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  position: relative;
}

.testimonial-quote {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-dark);
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--text-lg);
}

.testimonial-info h4 {
  font-size: var(--text-base);
  margin-bottom: 0;
}

.testimonial-info p {
  font-size: var(--text-sm);
  margin-bottom: 0;
}

/* === GALLERY === */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.gallery-item:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.gallery-item img,
.gallery-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay h4 {
  color: var(--color-white);
  margin: 0;
}

/* === FAQ === */
.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  border: none;
  text-align: left;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-fast);
}

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

.faq-question.active {
  background: var(--color-primary);
  color: var(--color-white);
}

.faq-icon {
  font-size: var(--text-xl);
  transition: transform var(--transition-base);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq-answer-content {
  padding: 0 var(--space-lg) var(--space-md);
  color: var(--color-gray);
}

/* === FOOTER === */
.footer {
  background: var(--color-dark);
  color: var(--color-gray-light);
  padding: var(--space-3xl) 0 var(--space-lg);
}

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

.footer h3 {
  color: var(--color-white);
  font-size: var(--text-xl);
  margin-bottom: var(--space-md);
}

.footer a {
  color: var(--color-gray-light);
  display: block;
  margin-bottom: var(--space-xs);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-dark-alt);
  color: var(--color-gray);
}

/* === FLOATING CONTACT BUTTONS === */
.floating-contact {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  z-index: 999;
}

.floating-btn {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
}

.floating-btn:hover {
  transform: scale(1.1);
}

.floating-btn.whatsapp {
  background: #25D366;
  color: var(--color-white);
}

.floating-btn.phone {
  background: var(--color-primary);
  color: var(--color-white);
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* === UTILITY CLASSES === */
.text-center {
  text-align: center;
}

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

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

.mb-sm {
  margin-bottom: var(--space-sm);
}

.mb-md {
  margin-bottom: var(--space-md);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.mb-xl {
  margin-bottom: var(--space-xl);
}

.mt-sm {
  margin-top: var(--space-sm);
}

.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mt-xl {
  margin-top: var(--space-xl);
}

.hidden {
  display: none;
}

.block {
  display: block;
}

.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

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

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

.gap-lg {
  gap: var(--space-lg);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1024px) {
  :root {
    --text-5xl: 2.5rem;
    --text-6xl: 3rem;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --text-4xl: 1.875rem;
    --text-5xl: 2rem;
    --text-6xl: 2.5rem;
    --space-3xl: 4rem;
  }

  .navbar-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-base);
    pointer-events: none;
  }

  .navbar-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .navbar-toggle {
    display: block;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .floating-contact {
    bottom: var(--space-md);
    right: var(--space-md);
  }

  .floating-btn {
    width: 50px;
    height: 50px;
    font-size: var(--text-xl);
  }
}

@media (max-width: 480px) {
  :root {
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
  }

  .btn {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
  }

  .btn-lg {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-base);
  }

  .card {
    padding: var(--space-md);
  }
}

/* === SUCCESS MESSAGE === */
.success-message {
  background: var(--color-success);
  color: var(--color-white);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  display: none;
  animation: fadeInUp 0.5s ease-out;
}

.success-message.show {
  display: block;
}