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

:root {
  --bg: #0f1117;
  --bg-alt: #161922;
  --bg-card: #1a1d27;
  --bg-card-hover: #1f2330;
  --text: #eef0f4;
  --text-muted: #9499a8;
  --text-dim: #636878;
  --accent: #4ade80;
  --accent-dim: rgba(74, 222, 128, 0.1);
  --accent-soft: rgba(74, 222, 128, 0.2);
  --border: #252936;
  --border-light: #2f3444;
  --serif: 'DM Serif Display', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
  --radius: 10px;
  --radius-lg: 14px;
  --header-h: 72px;
  --container: 1120px;
  --transition: 0.2s ease;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--accent);
  color: var(--bg);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  z-index: 999;
  font-size: 0.875rem;
}
.skip-link:focus { top: 1rem; }

.container {
  width: min(var(--container), 100% - 2.5rem);
  margin-inline: auto;
}
.container--narrow { max-width: 720px; }

.text-accent { color: var(--accent); }

/* Typography */
.eyebrow {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section__title {
  font-family: var(--serif);
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section__intro {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 56ch;
  margin-bottom: 3rem;
}

.section { padding: 5rem 0; }
.section--alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
}
.section--contact {
  text-align: center;
  background: linear-gradient(180deg, var(--bg-alt), var(--bg));
  border-top: 1px solid var(--border);
}
.section--contact .section__intro { margin-inline: auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #0a0f0d;
  border-color: var(--accent);
}
.btn--primary:hover {
  background: #6ee7a0;
  border-color: #6ee7a0;
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border-light);
}
.btn--ghost:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.link-arrow {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--accent);
}
.link-arrow:hover { text-decoration: underline; }

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: rgba(15, 17, 23, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: border-color var(--transition);
}
.header.scrolled { border-bottom-color: var(--border); }

.header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 2rem;
}

.logo {
  font-family: var(--serif);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.nav {
  display: flex;
  gap: 1.75rem;
  margin-left: auto;
}
.nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}
.nav a:hover { color: var(--text); }

.header__cta { margin-left: 0.5rem; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform var(--transition);
}
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* Hero */
.hero {
  padding: calc(var(--header-h) + 3.5rem) 0 4rem;
  background:
    radial-gradient(ellipse 70% 50% at 80% 20%, rgba(74, 222, 128, 0.06), transparent),
    var(--bg);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 4rem;
}

.hero__title {
  font-family: var(--serif);
  font-size: clamp(2.125rem, 5vw, 3.25rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero__subtitle {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 48ch;
  margin-bottom: 1.75rem;
}

.hero__checks {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
}
.hero__checks li {
  font-size: 0.9375rem;
  color: var(--text-muted);
  padding-left: 1.25rem;
  position: relative;
}
.hero__checks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Browser mockup */
.browser {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.browser__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.875rem 1rem;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.browser__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-light);
}
.browser__dot:nth-child(1) { background: #ff5f57; }
.browser__dot:nth-child(2) { background: #febc2e; }
.browser__dot:nth-child(3) { background: #28c840; }
.browser__url {
  flex: 1;
  margin-left: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  background: var(--bg);
  border-radius: 6px;
  padding: 0.35rem 0.75rem;
}

.browser__content { padding: 1.25rem; }
.browser__block {
  background: var(--border);
  border-radius: 8px;
}
.browser__block--hero {
  height: 120px;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--border-light), var(--accent-dim));
}
.browser__row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.browser__block--sm { height: 64px; }

/* Metrics */
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.metric {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
}
.metric__value {
  display: block;
  font-family: var(--serif);
  font-size: 1.75rem;
  color: var(--accent);
  margin-bottom: 0.25rem;
}
.metric__label {
  font-size: 0.8125rem;
  color: var(--text-dim);
}

/* Service card */
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.service-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent-soft);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.service-card__price {
  font-size: 0.9375rem;
  color: var(--text-muted);
}
.service-card__price strong {
  color: var(--text);
  font-size: 1.25rem;
}

.service-card h3 {
  font-family: var(--serif);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}
.service-card > p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}
.check-list li {
  font-size: 0.9375rem;
  color: var(--text-muted);
  padding-left: 1.5rem;
  position: relative;
}
.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 600;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color var(--transition);
}
.feature:hover { border-color: var(--border-light); }
.feature h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.feature p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Pipeline */
.pipeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.pipeline__step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}
.pipeline__id {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  display: block;
  margin-bottom: 0.75rem;
}
.pipeline__step h3 {
  font-family: var(--serif);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}
.pipeline__step p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Portfolio */
.portfolio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.portfolio__item {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}
.portfolio__item:hover {
  transform: translateY(-3px);
  border-color: var(--border-light);
}

.portfolio__preview {
  aspect-ratio: 16 / 10;
}
.portfolio__preview--1 { background: linear-gradient(135deg, #1e3a2f, #2d5a45); }
.portfolio__preview--2 { background: linear-gradient(135deg, #1a2744, #2a3f6e); }
.portfolio__preview--3 { background: linear-gradient(135deg, #2a1f3d, #4a3568); }
.portfolio__preview--4 { background: linear-gradient(135deg, #3d2020, #6b3838); }
.portfolio__preview--5 { background: linear-gradient(135deg, #1f2d2d, #3a5555); }
.portfolio__preview--6 { background: linear-gradient(135deg, #2d1f3d, #553870); }

.portfolio__info { padding: 1.25rem 1.5rem; }
.portfolio__tag {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}
.portfolio__info h3 {
  font-family: var(--serif);
  font-size: 1.125rem;
  margin: 0.25rem 0;
}
.portfolio__info p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Workflow */
.workflow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.workflow__step {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}
.workflow__phase {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}
.workflow__step h3 {
  font-family: var(--serif);
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}
.workflow__step p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.callout {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}
.callout p {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* Reasons */
.reasons { display: flex; flex-direction: column; }

.reason {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
}
.reason:first-child { border-top: 1px solid var(--border); }

.reason__num {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
}
.reason h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.reason p {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* Pricing */
.pricing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.pricing__col {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.pricing__heading {
  font-family: var(--serif);
  font-size: 1.375rem;
  margin-bottom: 0.25rem;
}
.pricing__sub {
  font-size: 0.8125rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.pricing__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.pricing__item:last-child { border-bottom: none; }
.pricing__item--featured {
  background: var(--accent-dim);
  margin: 0 -1rem;
  padding: 1rem;
  border-radius: var(--radius);
  border-bottom: none;
}

.pricing__item strong {
  display: block;
  font-size: 0.9375rem;
  margin-bottom: 0.15rem;
}
.pricing__item span:not(.pricing__price):not(.pricing__period) {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.pricing__price {
  font-size: 1.0625rem;
  font-weight: 600;
  white-space: nowrap;
}
.pricing__period {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing__note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

/* FAQ */
.faq { display: flex; flex-direction: column; }

.faq__item { border-bottom: 1px solid var(--border); }
.faq__item:first-child { border-top: 1px solid var(--border); }

.faq__item summary {
  font-size: 1.0625rem;
  font-weight: 500;
  padding: 1.25rem 2rem 1.25rem 0;
  cursor: pointer;
  list-style: none;
  position: relative;
  transition: color var(--transition);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  color: var(--text-dim);
}
.faq__item[open] summary { color: var(--accent); }
.faq__item[open] summary::after { content: '−'; color: var(--accent); }

.faq__item p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  padding-bottom: 1.25rem;
  max-width: 60ch;
}

/* Contact */
.contact__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.section--contact .btn--ghost {
  color: var(--text-muted);
  border-color: var(--border-light);
}
.section--contact .btn--ghost:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.contact__note {
  font-size: 0.875rem;
  color: var(--text-dim);
}
.contact__note a { color: var(--text-muted); }
.contact__note a:hover { color: var(--accent); }

/* Footer */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
}

.footer__brand .logo {
  display: block;
  margin-bottom: 0.75rem;
}
.footer__brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 32ch;
}

.footer__links h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 1rem;
}
.footer__links ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer__links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--accent); }

.footer__bottom {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-dim);
}
.footer__legal { display: flex; gap: 1.5rem; }
.footer__legal a:hover { color: var(--text); }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 960px) {
  .hero__grid,
  .features-grid,
  .pipeline,
  .portfolio,
  .workflow,
  .pricing {
    grid-template-columns: 1fr;
  }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1.5rem 1.25rem;
    gap: 1rem;
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .header__cta { display: none; }
  .menu-toggle { display: flex; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}