/* === Reset & Variables === */
:root {
  --black: #0a0a0a;
  --dark: #111111;
  --dark-2: #1a1a1a;
  --gray-dark: #2a2a2a;
  --gray: #666666;
  --gray-light: #999999;
  --gray-lighter: #e0e0e0;
  --white: #ffffff;
  --off-white: #f5f5f5;
  --green: #00c853;
  --green-dark: #00a844;
  --green-light: #b9f6ca;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
  --transition: 0.3s ease;
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--white);
  background: var(--black);
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--green-light);
}

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

/* === Container === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 2px solid transparent;
  border-radius: 0;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--green);
  color: var(--black);
  border-color: var(--green);
}

.btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  color: var(--black);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

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

.btn-outline-light {
  background: transparent;
  color: var(--gray-lighter);
  border-color: var(--gray);
  padding: 0.5rem 1.25rem;
  font-size: 0.8rem;
}

.btn-outline-light:hover {
  border-color: var(--green);
  color: var(--green);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.8rem;
}

/* === Header === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-dark);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

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

.logo img {
  height: 48px;
  width: auto;
  filter: invert(1);
}

.main-nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: var(--gray-light);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  transition: color var(--transition);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition);
}

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* === Hero === */
.hero {
  padding: 12rem 0 6rem;
  background: linear-gradient(135deg, var(--black) 0%, var(--dark-2) 100%);
  border-bottom: 1px solid var(--gray-dark);
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  max-width: 800px;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--gray-light);
  max-width: 700px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* === Page Hero === */
.page-hero {
  padding: 10rem 0 4rem;
  background: linear-gradient(135deg, var(--black) 0%, var(--dark-2) 100%);
  border-bottom: 1px solid var(--gray-dark);
}

.page-hero h1 {
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.page-subtitle {
  font-size: 1.1rem;
  color: var(--gray-light);
  margin-top: 1rem;
  max-width: 600px;
}

/* === Sections === */
.section {
  padding: 6rem 0;
}

.section-dark {
  background: var(--dark);
  border-top: 1px solid var(--gray-dark);
  border-bottom: 1px solid var(--gray-dark);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: -0.5px;
}

.section-text {
  font-size: 1.05rem;
  color: var(--gray-light);
  max-width: 700px;
  line-height: 1.8;
}

/* === Grid === */
.grid {
  display: grid;
  gap: 2rem;
}

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

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

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

/* === Cards === */
.card {
  padding: 2.5rem;
  background: var(--dark-2);
  border: 1px solid var(--gray-dark);
  transition: border-color var(--transition);
}

.card:hover {
  border-color: var(--green);
}

.card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--green);
}

.card p {
  color: var(--gray-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* === Feature List === */
.feature-list {
  list-style: none;
  margin-top: 2rem;
  max-width: 600px;
}

.feature-list li {
  padding: 0.75rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--gray-lighter);
  border-bottom: 1px solid var(--gray-dark);
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--green);
}

/* === Content (Markdown) === */
.content h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 3rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--gray-dark);
}

.content h2:first-child {
  margin-top: 0;
}

.content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--green);
}

.content p {
  color: var(--gray-lighter);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.content ul, .content ol {
  margin: 1rem 0 1.5rem 0;
  padding-left: 0;
  list-style: none;
}

.content ul li, .content ol li {
  padding: 0.5rem 0 0.5rem 1.5rem;
  position: relative;
  color: var(--gray-lighter);
}

.content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1rem;
  width: 6px;
  height: 6px;
  background: var(--green);
}

.content hr {
  border: none;
  border-top: 1px solid var(--gray-dark);
  margin: 3rem 0;
}

.content strong {
  color: var(--white);
}

/* === Post Cards (Insights) === */
.post-card {
  padding: 2rem 0;
  border-bottom: 1px solid var(--gray-dark);
}

.post-card h2 {
  border: none;
  padding: 0;
  margin: 0 0 0.5rem;
}

.post-card h2 a {
  color: var(--white);
}

.post-card h2 a:hover {
  color: var(--green);
}

.post-card p {
  color: var(--gray-light);
}

.read-more {
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* === Contact === */
.contact-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
  color: var(--gray-lighter);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font);
  font-size: 0.95rem;
  background: var(--dark-2);
  border: 1px solid var(--gray-dark);
  color: var(--white);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group select option {
  background: var(--dark);
}

.form-feedback {
  margin-top: 1.25rem;
  padding: 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

.form-feedback-success {
  color: var(--green);
}

.form-feedback-error {
  color: #ff5252;
}

.contact-info {
  padding-top: 1rem;
}

.contact-info h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--green);
}

.contact-info p {
  color: var(--gray-lighter);
  margin-bottom: 1rem;
  line-height: 1.7;
}

/* === Footer === */
.site-footer {
  background: var(--dark);
  border-top: 1px solid var(--gray-dark);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--gray-dark);
}

.footer-logo {
  height: 38px;
  margin-bottom: 1rem;
  filter: invert(1);
}

.footer-brand p {
  color: var(--gray-light);
  font-size: 0.85rem;
  line-height: 1.6;
}

.footer-brand .tagline {
  color: var(--green);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.25rem;
  color: var(--white);
}

.footer-links a,
.footer-links p {
  display: block;
  color: var(--gray-light);
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
  transition: color var(--transition);
}

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

.footer-bottom {
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  color: var(--gray);
  font-size: 0.8rem;
}

/* === Partner Carousel === */
.carousel-wrapper {
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.carousel-track {
  display: flex;
  align-items: center;
  gap: 4rem;
  animation: carousel-scroll 30s linear infinite;
  width: max-content;
}

.carousel-slide {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
}

.carousel-slide img {
  max-height: 60px;
  max-width: 160px;
  width: auto;
  object-fit: contain;
  filter: grayscale(1) invert(1) brightness(0.8);
  opacity: 0.6;
  transition: opacity var(--transition), filter var(--transition);
}

.carousel-slide img:hover {
  opacity: 1;
  filter: grayscale(1) invert(1) brightness(1);
}

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

/* === Cookie Banner === */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2000;
  background: var(--dark-2);
  border-top: 1px solid var(--gray-dark);
  padding: 1.5rem 2rem;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

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

.cookie-banner-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.cookie-banner-content p {
  color: var(--gray-light);
  font-size: 0.9rem;
  margin: 0;
  line-height: 1.5;
}

.cookie-banner-actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* === Responsive === */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--gray-dark);
  }

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

  .hero {
    padding: 8rem 0 4rem;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .page-hero {
    padding: 7rem 0 3rem;
  }

  .page-hero h1 {
    font-size: 2rem;
  }

  .section {
    padding: 4rem 0;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    text-align: center;
  }

  .cookie-banner-content {
    flex-direction: column;
    text-align: center;
  }
}