:root {
  --color-bg: #0a0a0a;
  --color-card: #1a1a1a;
  --color-card-dark: #141414;
  --color-text: #ffffff;
  --color-muted: #9ca3af;
  --color-primary: #4ade80;
  --color-border: #2a2a2a;
  --color-secondary: #d1d5db;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --font-family-main: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.45);
  --transition-base: 180ms ease-in-out;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family-main);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

main {
  display: block;
}

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(42, 42, 42, 0.6);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.logo img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  object-fit: cover;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--color-muted);
  transition: color var(--transition-base);
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.55rem 0.65rem;
  color: var(--color-text);
}

.hero {
  padding: 7rem 0 5rem;
  text-align: left;
}

.hero-content {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-copy h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.8rem, 4vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
}

.hero-copy p {
  margin: 0 0 2rem;
  color: var(--color-secondary);
  font-size: 1.05rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(74, 222, 128, 0.12);
  color: var(--color-primary);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

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

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.95rem 1.75rem;
  font-weight: 600;
  font-size: 1rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}

.btn-primary {
  background: var(--color-primary);
  color: #041e10;
  box-shadow: 0 18px 40px rgba(74, 222, 128, 0.35);
}

.btn-primary:hover,
.btn-primary:focus {
  transform: translateY(-1px);
  box-shadow: 0 22px 60px rgba(74, 222, 128, 0.45);
}

.btn-secondary {
  background: var(--color-card);
  color: var(--color-secondary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--color-card-dark);
  border-color: rgba(74, 222, 128, 0.4);
}

.card {
  background: var(--color-card);
  border: 1px solid rgba(42, 42, 42, 0.9);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.section-heading {
  text-align: center;
  margin: 0 auto 3rem;
  max-width: 720px;
}

.section-heading span {
  display: inline-block;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.section-heading h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 3.5vw, 3rem);
}

.section-heading p {
  margin: 0;
  color: var(--color-secondary);
  font-size: 1.05rem;
}

.feature-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
}

.feature-card p {
  margin: 0;
  color: var(--color-secondary);
}

.metrics {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin: 3rem 0;
}

.metric {
  background: rgba(26, 26, 26, 0.8);
  border: 1px solid rgba(42, 42, 42, 0.8);
  border-radius: 18px;
  padding: 1.75rem;
  text-align: center;
}

.metric strong {
  display: block;
  font-size: 2rem;
  color: var(--color-primary);
}

.metric span {
  display: block;
  margin-top: 0.35rem;
  color: var(--color-muted);
}

.media-card {
  position: relative;
  background: linear-gradient(120deg, rgba(74, 222, 128, 0.08), rgba(20, 20, 20, 0.8));
  border-radius: 26px;
  padding: 3rem;
  min-height: 320px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.media-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(74, 222, 128, 0.25), transparent 55%);
  z-index: 0;
}

.media-card-content {
  position: relative;
  z-index: 1;
}

.media-card h3 {
  margin: 0 0 1rem;
  font-size: 2rem;
}

.media-card p {
  margin: 0;
  max-width: 560px;
  color: var(--color-secondary);
}

.testimonials {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.testimonial {
  background: var(--color-card);
  border-radius: 18px;
  border: 1px solid rgba(74, 222, 128, 0.15);
  padding: 2rem;
}

.testimonial p {
  margin: 0 0 1.5rem;
  color: var(--color-secondary);
  font-style: italic;
}

.testimonial strong {
  display: block;
  color: var(--color-primary);
  font-weight: 600;
}

.pricing {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 3rem;
}

.price-card {
  padding: 2.5rem 2rem;
  border-radius: 24px;
  border: 1px solid rgba(74, 222, 128, 0.18);
  background: rgba(20, 20, 20, 0.95);
}

.price-card.highlight {
  border-color: rgba(74, 222, 128, 0.45);
  background: linear-gradient(155deg, rgba(74, 222, 128, 0.12), rgba(27, 27, 27, 0.96));
}

.price-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.5rem;
}

.price-card .price {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.price-card ul {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.65rem;
}

.price-card li {
  color: var(--color-secondary);
  padding-left: 1.5rem;
  position: relative;
}

.price-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: var(--color-primary);
}

.faq-list {
  display: grid;
  gap: 1rem;
}

.faq-item {
  background: var(--color-card);
  border: 1px solid rgba(42, 42, 42, 0.9);
  border-radius: 16px;
  padding: 1.5rem;
}

.faq-item h3 {
  margin: 0 0 0.75rem;
}

.faq-item p {
  margin: 0;
  color: var(--color-secondary);
}

.cta-final {
  padding: 4rem 0;
  text-align: center;
}

.cta-final .card {
  display: inline-block;
  padding: 3rem 3.5rem;
  max-width: 680px;
}

.site-footer {
  border-top: 1px solid rgba(42, 42, 42, 0.75);
  background: rgba(10, 10, 10, 0.95);
  padding: 2.5rem 0;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-columns {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.footer-columns a {
  color: var(--color-muted);
  font-size: 0.95rem;
  transition: color var(--transition-base);
}

.footer-columns a:hover,
.footer-columns a:focus {
  color: var(--color-primary);
}

.footer-note {
  color: var(--color-muted);
  font-size: 0.85rem;
}

.page-header {
  padding: 5rem 0 3rem;
  text-align: center;
}

.page-header h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.25rem, 3.5vw, 3rem);
}

.page-header p {
  margin: 0;
  color: var(--color-secondary);
}

.page-content {
  max-width: 880px;
  margin: 0 auto 5rem;
}

.page-content h2 {
  margin-top: 3rem;
  margin-bottom: 1rem;
  font-size: 1.6rem;
}

.page-content p,
.page-content li {
  color: var(--color-secondary);
}

.page-content ul,
.page-content ol {
  padding-left: 1.25rem;
}

.page-content section {
  margin-bottom: 2rem;
  padding: 2rem;
  background: rgba(26, 26, 26, 0.8);
  border: 1px solid rgba(42, 42, 42, 0.85);
  border-radius: 18px;
}

.contact-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  margin-bottom: 4rem;
}

.contact-card {
  background: rgba(26, 26, 26, 0.9);
  border-radius: 16px;
  padding: 2rem;
  border: 1px solid rgba(74, 222, 128, 0.18);
}

.contact-card h3 {
  margin: 0 0 1rem;
  font-size: 1.4rem;
}

.contact-card p {
  margin: 0 0 0.85rem;
  color: var(--color-secondary);
}

.contact-form {
  display: grid;
  gap: 1.5rem;
  padding: 2rem;
  background: rgba(20, 20, 20, 0.95);
  border-radius: 22px;
  border: 1px solid rgba(42, 42, 42, 0.9);
}

.contact-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(74, 222, 128, 0.18);
  background: rgba(10, 10, 10, 0.85);
  color: var(--color-text);
  font-family: inherit;
  transition: border var(--transition-base), box-shadow var(--transition-base);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: rgba(74, 222, 128, 0.45);
  box-shadow: 0 0 0 2px rgba(74, 222, 128, 0.12);
}

.contact-form textarea {
  min-height: 160px;
  resize: vertical;
}

.form-hint {
  color: var(--color-muted);
  font-size: 0.85rem;
}

.alert {
  padding: 1rem 1.25rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.alert.success {
  background: rgba(74, 222, 128, 0.12);
  color: var(--color-primary);
  border: 1px solid rgba(74, 222, 128, 0.4);
}

.alert.warning {
  background: rgba(245, 158, 11, 0.12);
  color: var(--color-warning);
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.alert.error {
  background: rgba(239, 68, 68, 0.12);
  color: var(--color-error);
  border: 1px solid rgba(239, 68, 68, 0.4);
}

@media (max-width: 960px) {
  .hero {
    padding: 6rem 0 4rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .media-card {
    padding: 2.5rem;
  }
}

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

  .nav-links {
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    border: 1px solid rgba(42, 42, 42, 0.9);
    border-radius: 14px;
    padding: 1.25rem;
    flex-direction: column;
    gap: 1rem;
    min-width: 220px;
    margin-top: 0.5rem;
    box-shadow: var(--shadow-soft);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), transform var(--transition-base);
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .navbar {
    position: relative;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 5rem;
  }

  .cta-final .card {
    padding: 2.5rem 2rem;
  }

  .price-card ul {
    gap: 0.5rem;
  }
}