/* ============================================
   Nothing Artificial SPA - Main Stylesheet
   ============================================ */

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  color: #fff;
  background-color: #0a0a0a;
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

a:hover {
  opacity: 0.8;
}

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

/* --- Navigation --- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0 2rem;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo img {
  height: 32px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #c9a84c;
  transition: width 0.3s ease;
}

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

.nav-contact {
  color: #c9a84c !important;
}

.nav-contact:hover {
  color: #c9a84c !important;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 5px;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: #fff;
  transition: all 0.3s ease;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: -5%;
  left: -5%;
  width: 110%;
  height: 110%;
  background-image: url('../images/Hero.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
}

.hero-logo {
  max-width: 800px;
  width: 80%;
  margin: 0 auto;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: #fff;
  font-size: 2rem;
  animation: bounce 2s infinite;
  cursor: pointer;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* --- Section Styles --- */
.section {
  padding: 8rem 2rem;
  position: relative;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 80px;
  color: #fff;
}

.section-title span {
  padding: 30px;
  border: 2px solid #c9a84c;
}

/* .section-title span {
  display: inline-block;
  position: relative;
}

.section-title span::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: #c9a84c;
  margin: 1rem auto 0;
} */

/* --- Who We Are Section --- */
.who-we-are {
  background: #1b1b1b;
}

.who-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.who-text p {
  font-size: 1.35rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 300;
}

.who-quote {
  background: rgba(255, 255, 255, 0.03);
  border-left: 2px solid #c9a84c;
  padding: 2rem;
}

.who-quote blockquote {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.75);
  font-style: italic;
  font-weight: 300;
  margin-bottom: 1.5rem;
}

.who-quote .attribution {
  display: flex;
  align-items: stretch;
  gap: 1rem;
  text-align: right;
  justify-content: flex-end;
}

.attribution-img {
  height: auto;
  width: auto;
  max-height: 100px;
  object-fit: contain;
}

.attribution-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.who-quote .attribution .source {
  font-size: 0.8rem;
  color: #c9a84c;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.who-quote .attribution .name {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
  margin-top: 0.3rem;
}

.who-quote .attribution .title {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.75);
}

/* Organization logos */
.org-logos {
  margin-top: 4rem;
  text-align: center;
}

.org-logos h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 2rem;
}

.logo-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
}

.logo-grid a {
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.logo-grid a:hover {
  opacity: 1;
}

.logo-grid .org-logo {
  height: 70px;
  width: auto;
}

/* --- What We Do Section --- */
.what-we-do {
  background: #111;
}

.what-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.what-intro p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 300;
  line-height: 1.8;
}

.network-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 3rem;
}

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

.product-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all 0.3s ease;
  border-radius: 4px;
}

.product-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(201, 168, 76, 0.3);
  transform: translateY(-4px);
}

.product-card .product-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: #c9a84c;
}

.ntx-logo {
  max-width: auto;
  height: 35px;
  margin: 0 auto;
}

.product-logo {
  max-width: auto;
  height: 40px;
  margin: 0 auto;
}

.product-card h3 {
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.product-card .product-tag {
  font-size: 0.8rem;
  color: #c9a84c;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.2rem;
  font-weight: 500;
}

.product-card p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 300;
  line-height: 1.7;
}

/* --- Research Section --- */
.research {
  background: #1b1b1b;
}

.research-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.research-intro p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 300;
}

.research-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Research video slider */
.research-video-slider {
  position: relative;
  width: 100%;
}

.research-video-slide {
  display: none;
  animation: fadeIn 0.5s ease;
}

.research-video-slide.active {
  display: block;
}

.research-slide-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.research-video {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: #1a1a1a;
  border-radius: 4px;
  overflow: hidden;
}

.research-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.research-video-caption {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100%;
}

.research-video-caption h3 {
  font-size: 1.15rem;
  font-weight: 500;
  color: #fff;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.research-video-caption p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 300;
  line-height: 1.7;
}

.research-video-caption a {
  color: #c9a84c;
  word-break: break-all;
}

.research-video-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  border: 2px solid #c9a84c;
  color: #c9a84c;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: all 0.3s ease;
  cursor: pointer;
  background: transparent;
}

.btn:hover {
  background: #c9a84c;
  color: #0a0a0a;
  opacity: 1;
}

/* --- Testimonials Section --- */
.testimonials {
  background: #111;
  overflow: hidden;
}

.testimonials-slider {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.testimonial-slide {
  display: none;
  text-align: center;
  padding: 2rem 1rem;
  animation: fadeIn 0.5s ease;
}

.testimonial-slide.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.testimonial-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1.5rem;
  border: 3px solid rgba(201, 168, 76, 0.3);
}

.testimonial-quote {
  font-size: 1.2rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  font-style: italic;
  font-weight: 300;
  margin-bottom: 2rem;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.testimonial-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}

.testimonial-title {
  font-size: 0.85rem;
  color: #c9a84c;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}

.testimonial-org-logo {
  margin: 1rem auto 0;
  height: 30px;
  width: auto;
  opacity: 0.5;
}

/* Slider controls */
.slider-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.slider-btn {
  background: none;
  border: 2px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slider-btn:hover {
  border-color: #c9a84c;
  color: #c9a84c;
}

.slider-dots {
  display: flex;
  gap: 0.5rem;
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.slider-dot.active {
  background: #c9a84c;
  transform: scale(1.2);
}

/* --- Footer --- */
.site-footer {
  background: #050505;
  padding: 3rem 2rem;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-logo {
  height: 24px;
  width: auto;
  margin: 0 auto 1rem;
  opacity: 0.5;
}

.footer-text {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.05em;
}

.back-to-top {
  display: inline-block;
  margin-top: 1.5rem;
  color: rgba(255, 255, 255, 0.3);
  font-size: 1.5rem;
  transition: color 0.3s ease;
}

.back-to-top:hover {
  color: #c9a84c;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .who-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .research-slide-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 4rem 1.5rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.98);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .nav-links.open {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-logo {
    max-width: 280px;
  }

  .who-quote blockquote {
    font-size: 0.95rem;
  }

  .testimonial-quote {
    font-size: 1rem;
  }

  .logo-grid {
    gap: 1.5rem;
  }

  .logo-grid .org-logo {
    height: 30px;
  }
}

@media (max-width: 480px) {
  .section-title {
    font-size: 1.5rem;
  }

  .hero-logo {
    max-width: 220px;
  }

  .product-card {
    padding: 1.5rem 1rem;
  }
}