:root {
  --bg: #0a0f1a;
  --bg-elevated: #111827;
  --bg-card: #0f1522;
  --border: rgba(148, 163, 184, 0.14);
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #10b981;
  --accent-2: #06b6d4;
  --accent-gradient: linear-gradient(135deg, var(--accent), var(--accent-2));
  --radius: 0.75rem;
  --max-width: 72rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: min(92%, var(--max-width));
  margin: 0 auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 15, 26, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
}

.logo img {
  width: 2rem;
  height: 2rem;
}

.menu-toggle {
  display: none;
}

.burger {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  cursor: pointer;
  padding: 0.5rem;
}

.burger span {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.2s;
}

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

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent-gradient);
  color: #020617;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.36);
}

/* .nav-links a (0,1,1) would otherwise override .btn-primary's text color (0,1,0). */
.nav-links .btn-primary,
.nav-links .btn-primary:hover {
  color: #020617;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--muted);
}

@media (max-width: 639px) {
  .burger {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 4rem;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 1rem 1rem;
    display: none;
  }

  .nav-links a,
  .nav-links .btn {
    display: block;
    width: 100%;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-links .btn {
    margin-top: 0.5rem;
    text-align: center;
    border: 1px solid var(--border);
  }

  .menu-toggle:checked ~ .nav-links {
    display: flex;
  }
}

@media (min-width: 640px) {
  .burger {
    display: none;
  }

  .nav-links {
    display: flex !important;
  }
}

/* Hero */
.hero {
  padding: 4rem 0 3rem;
}

.hero-badge {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  margin: 0 0 1.1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: 999px;
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  line-height: 1.1;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.hero h1 .accent {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 44rem;
  margin: 0 0 1.75rem;
}

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

.hero-visual {
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 0.25rem);
  padding: 0.75rem;
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.08), rgba(6, 182, 212, 0.06));
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.hero-visual img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: 100%;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.05fr 1fr;
  }

  .hero {
    padding: 6rem 0 4rem;
  }
}

/* Proof bar */
.proof {
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(17, 24, 39, 0.5);
}

.proof-grid {
  display: grid;
  gap: 1rem;
  text-align: center;
}

.proof-item {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.proof-item strong {
  color: var(--text);
}

@media (min-width: 640px) {
  .proof-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}

.section-lead {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 44rem;
  margin: 0 0 2.5rem;
}

/* Cards */
.grid-3 {
  display: grid;
  gap: 1.25rem;
}

.grid-2 {
  display: grid;
  gap: 1.25rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
  border-color: rgba(148, 163, 184, 0.3);
  transform: translateY(-2px);
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: var(--text);
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.card-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

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

/* Steps */
.steps {
  display: grid;
  gap: 1.5rem;
  counter-reset: step;
}

.step {
  position: relative;
  padding-left: 3.5rem;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #020617;
  font-weight: 700;
  font-size: 0.95rem;
}

.step h3 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (min-width: 1024px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }

  .step {
    padding-left: 0;
    padding-top: 3.5rem;
  }

  .step::before {
    top: 0;
  }
}

/* Benefits */
.benefit-list {
  display: grid;
  gap: 1rem;
}

.benefit {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.benefit-marker {
  flex: 0 0 auto;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.benefit h3 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
}

.benefit p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (min-width: 1024px) {
  .benefit-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Gallery */
.gallery {
  display: grid;
  gap: 1.25rem;
}

.gallery-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.gallery-item img {
  width: 100%;
  height: auto;
  border-bottom: 1px solid var(--border);
}

.gallery-caption {
  padding: 0.9rem 1rem;
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 500;
}

@media (min-width: 640px) {
  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Pricing */
.pricing-card {
  max-width: 36rem;
  margin: 0 auto;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
}

.pricing-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
}

.pricing-card .price {
  font-size: 3rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 1rem 0;
}

.pricing-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.75rem;
  color: var(--muted);
}

.pricing-card li {
  padding: 0.35rem 0;
}

/* FAQ */
.faq-list {
  display: grid;
  gap: 0.75rem;
  max-width: 52rem;
}

.faq details {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.faq summary::after {
  content: "+";
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 700;
}

.faq details[open] summary::after {
  content: "-";
}

.faq p {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* CTA section */
.cta-section {
  text-align: center;
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.08), rgba(6, 182, 212, 0.06));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta-section h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin: 0 0 1rem;
}

.cta-section p {
  color: var(--muted);
  max-width: 38rem;
  margin: 0 auto 1.75rem;
}

/* Footer */
.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.footer-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: center;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

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

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

.footer-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-meta a {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (min-width: 640px) {
  .footer-grid {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* Legal pages */
.legal-page {
  padding: 3rem 0 5rem;
}

.legal-page article {
  max-width: 46rem;
}

.legal-page h1 {
  font-size: 2rem;
  margin: 0 0 0.75rem;
}

.legal-page .last-updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.legal-page h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
}

.legal-page p {
  color: var(--muted);
  margin: 0 0 1rem;
}

.legal-page a {
  color: var(--accent-2);
  text-decoration: underline;
}

/* Blog */
.blog-list {
  padding: 3rem 0 5rem;
}

.blog-grid {
  display: grid;
  gap: 1.25rem;
}

.blog-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}

.blog-card:hover {
  border-color: rgba(148, 163, 184, 0.3);
  transform: translateY(-2px);
}

.blog-card h2 {
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
}

.blog-card time {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

.blog-card p {
  color: var(--muted);
  margin: 0.5rem 0 0;
  font-size: 0.95rem;
}

.blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.blog-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  background: rgba(148, 163, 184, 0.12);
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
}

@media (min-width: 640px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.blog-post {
  padding: 3rem 0 5rem;
}

.blog-post article {
  max-width: 46rem;
}

.blog-post header {
  margin-bottom: 2rem;
}

.blog-post h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 0.75rem;
  line-height: 1.2;
}

.blog-post .meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.blog-post .content {
  color: #cbd5e1;
}

.blog-post .content h2 {
  font-size: 1.4rem;
  color: var(--text);
  margin: 2rem 0 0.75rem;
}

.blog-post .content h3 {
  font-size: 1.15rem;
  color: var(--text);
  margin: 1.5rem 0 0.5rem;
}

.blog-post .content p {
  margin: 0 0 1.1rem;
}

.blog-post .content a {
  color: var(--accent-2);
  text-decoration: underline;
}

.blog-post .content ul,
.blog-post .content ol {
  margin: 0 0 1.1rem;
  padding-left: 1.5rem;
}

.blog-post .content li {
  margin-bottom: 0.35rem;
}

.blog-post .content code {
  background: rgba(148, 163, 184, 0.14);
  padding: 0.15rem 0.35rem;
  border-radius: 0.3rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
}

.blog-post .back-link {
  display: inline-flex;
  margin-top: 2.5rem;
  color: var(--muted);
  font-weight: 500;
}

.blog-post .back-link:hover {
  color: var(--text);
}