@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-color: #050505;
  --bg-gradient: radial-gradient(circle at 15% 50%, #151515, #000000 70%);
  --surface-color: rgba(255, 255, 255, 0.05);
  --surface-hover: rgba(255, 255, 255, 0.1);
  --border-color: rgba(255, 255, 255, 0.1);
  --text-primary: #ffffff;
  --text-secondary: #aaaaaa;
  --accent: #222222;
  --font-main: 'Inter', sans-serif;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ==================================
   UTILITIES & RESETS (Class-based)
   ================================== */
.reset-all {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.body-wrap {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-color: var(--bg-color);
  background: var(--bg-gradient);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
}

.html-wrap {
  scroll-behavior: smooth;
}

.list-reset {
  list-style: none;
  margin: 0;
  padding: 0;
}

.link-reset {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: var(--transition);
}

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

/* ==================================
   TYPOGRAPHY
   ================================== */
.heading-hero {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -2px;
}

.heading-section {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.heading-card {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 12px;
}

.text-lead {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: 32px;
  max-width: 600px;
}

.text-body {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 300;
}

.text-small {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

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

.text-highlight {
  color: var(--text-primary);
  font-weight: 500;
}

/* ==================================
   LAYOUT
   ================================== */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  box-sizing: border-box;
}

.section-padding {
  padding-top: 100px;
  padding-bottom: 100px;
}

.section-header {
  margin-bottom: 64px;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

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

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

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

.gap-sm {
  gap: 16px;
}

.gap-md {
  gap: 32px;
}

.gap-lg {
  gap: 64px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

/* ==================================
   COMPONENTS
   ================================== */
/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--bg-color);
}

.btn-primary:hover {
  background-color: var(--text-secondary);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  background-color: var(--surface-hover);
  border-color: var(--text-primary);
}

/* Glassmorphism */
.glass-panel {
  background: var(--surface-color);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 40px;
  transition: var(--transition);
}

.glass-panel:hover {
  background: var(--surface-hover);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

/* Navbar */
.navbar-wrap {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding-top: 24px;
  padding-bottom: 24px;
  transition: var(--transition);
}

.navbar-wrap.scrolled {
  padding-top: 16px;
  padding-bottom: 16px;
  background: rgba(5, 5, 5, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.nav-menu {
  display: flex;
  gap: 32px;
}

.nav-link-item {
  color: var(--text-secondary);
  font-weight: 400;
  position: relative;
}

.nav-link-item:hover,
.nav-link-item.active {
  color: var(--text-primary);
}

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

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 100px;
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 2;
}

.hero-image-wrap {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  z-index: 1;
  opacity: 0.4;
  mask-image: linear-gradient(to left, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
}

.hero-image-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Service Card Specifics */
.service-icon {
  font-size: 2.5rem;
  margin-bottom: 24px;
  color: var(--text-primary);
}

/* Contact Form */
.form-wrap {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.form-input,
.form-textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: 12px;
  color: var(--text-primary);
  font-family: var(--font-main);
  transition: var(--transition);
  box-sizing: border-box;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* Footer */
.footer-wrap {
  border-top: 1px solid var(--border-color);
  padding-top: 64px;
  padding-bottom: 32px;
  margin-top: 64px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: 64px;
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* Preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-color);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.5s ease;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--border-color);
  border-top-color: var(--text-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Scroll To Top */
.scroll-top-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--surface-color);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  font-size: 1.25rem;
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top-btn:hover {
  background: var(--text-primary);
  color: var(--bg-color);
}

/* Animations JS classes */
.anim-fade {
  opacity: 0;
  transition: opacity 1s ease;
}

.anim-fade.is-visible {
  opacity: 1;
}

.anim-slide-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s ease, transform 1s ease;
}

.anim-slide-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* FAQ Accordion */
.faq-details {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-details[open] {
  background: var(--surface-hover);
  border-color: var(--text-primary);
}

.faq-summary {
  padding: 24px;
  font-weight: 500;
  font-size: 1.1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.faq-details[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-content {
  padding: 0 24px 24px 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Testimonial Carousel */
.carousel-wrapper {
  overflow: hidden;
  width: 100%;
  position: relative;
  mask-image: linear-gradient(to right, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 5%, rgba(0,0,0,1) 95%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: linear-gradient(to right, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 5%, rgba(0,0,0,1) 95%, rgba(0,0,0,0) 100%);
  padding-bottom: 24px;
}

.carousel-track {
  display: flex;
  width: max-content;
  animation: scroll-x 40s linear infinite;
  padding-left: 32px;
}

.carousel-track:hover {
  animation-play-state: paused;
}

.carousel-card {
  width: 380px;
  flex-shrink: 0;
  margin-right: 32px;
}

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

/* Legal Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 99999;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-color);
  background: var(--bg-gradient);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  width: 90%;
  max-width: 640px;
  padding: 40px;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.3s ease;
}

.modal-close:hover {
  color: var(--text-primary);
}

/* Responsive Media Queries */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 32px 24px;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .hero-image-wrap {
    display: none; /* simple content-focused hero on mobile */
  }

  .heading-hero {
    font-size: 2.5rem;
  }

  .section-padding {
    padding-top: 60px;
    padding-bottom: 60px;
  }
}