:root {
  color-scheme: light;
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-strong: #eef4ff;
  --text: #111827;
  --muted: #5b6475;
  --line: #dce4f2;
  --primary: #2457ff;
  --primary-2: #7c3aed;
  --accent: #0f766e;
  --warn: #b42318;
  --shadow: 0 20px 50px rgba(17, 24, 39, 0.12);
  --radius: 8px;
  --shell: min(1160px, calc(100% - 32px));
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b1020;
  --surface: #111827;
  --surface-strong: #172033;
  --text: #f8fafc;
  --muted: #aab4c8;
  --line: #263247;
  --primary: #60a5fa;
  --primary-2: #a78bfa;
  --accent: #5eead4;
  --warn: #fb7185;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body.locked {
  overflow: hidden;
}

img,
svg {
  max-width: 100%;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.skip-link {
  background: var(--text);
  color: var(--bg);
  left: 16px;
  padding: 10px 14px;
  position: fixed;
  top: -60px;
  z-index: 100;
}

.skip-link:focus {
  top: 12px;
}

.shell {
  margin-inline: auto;
  width: var(--shell);
}

.section {
  padding: 96px 0;
  position: relative;
}

.compact {
  padding-top: 64px;
}

.narrow {
  max-width: 860px;
}

.site-header {
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid transparent;
  position: sticky;
  top: 0;
  transition: border-color 240ms ease, box-shadow 240ms ease;
  z-index: 50;
}

.site-header.scrolled {
  border-color: var(--line);
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.08);
}

.nav {
  align-items: center;
  display: grid;
  gap: 18px;
  grid-template-columns: auto 1fr auto;
  min-height: 74px;
}

.logo {
  align-items: center;
  display: inline-flex;
  font-weight: 800;
  gap: 10px;
}

.logo-mark,
.card-icon,
.client span {
  align-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-radius: 8px;
  color: white;
  display: inline-flex;
  font-size: 0.8rem;
  font-weight: 800;
  height: 36px;
  justify-content: center;
  min-width: 36px;
  padding: 0 7px;
}

.nav-panel {
  align-items: center;
  display: flex;
  gap: 18px;
  justify-content: center;
}

.nav-panel a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

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

.nav-actions,
.hero-actions,
.split-actions,
.contact-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button,
.filter-button,
.icon-button {
  align-items: center;
  border-radius: var(--radius);
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 44px;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease, background 220ms ease;
}

.button {
  border: 1px solid transparent;
  padding: 12px 18px;
}

.button:hover,
.filter-button:hover,
.icon-button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 14px 28px rgba(36, 87, 255, 0.24);
  color: white;
}

.button-secondary,
.filter-button {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
}

.filter-button {
  padding: 10px 14px;
  text-transform: capitalize;
}

.filter-button.active {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}

.icon-button {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  height: 44px;
  padding: 0;
  width: 44px;
}

.nav-toggle {
  display: none;
  gap: 4px;
}

.nav-toggle span {
  background: currentColor;
  border-radius: 99px;
  display: block;
  height: 2px;
  width: 18px;
}

.hero {
  min-height: calc(100vh - 74px);
  overflow: hidden;
  padding-top: 86px;
}

.hero::before {
  background:
    radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--primary) 28%, transparent), transparent 28%),
    radial-gradient(circle at 80% 0%, color-mix(in srgb, var(--accent) 24%, transparent), transparent 24%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.hero-grid,
.two-column {
  align-items: center;
  display: grid;
  gap: 56px;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.92fr);
  position: relative;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 6.4rem);
  letter-spacing: 0;
  line-height: 0.94;
  margin: 18px 0;
}

.hero p,
.section-heading p,
.copy-stack p {
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-subtitle {
  color: var(--text) !important;
  font-size: clamp(1.25rem, 3vw, 2rem) !important;
  font-weight: 800;
  line-height: 1.2;
}

.badge,
.eyebrow,
.popular-badge {
  background: color-mix(in srgb, var(--primary) 12%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--primary) 25%, var(--line));
  border-radius: 999px;
  color: var(--primary);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  padding: 7px 11px;
  text-transform: uppercase;
}

.hero-visual {
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  perspective: 900px;
  position: relative;
}

.browser-frame {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  min-height: 390px;
  overflow: hidden;
  transform: rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
  transition: transform 180ms ease;
}

.browser-bar {
  align-items: center;
  background: var(--surface-strong);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 7px;
  height: 44px;
  padding: 0 16px;
}

.browser-bar span {
  background: var(--warn);
  border-radius: 50%;
  height: 10px;
  width: 10px;
}

.browser-bar span:nth-child(2) {
  background: #f59e0b;
}

.browser-bar span:nth-child(3) {
  background: #22c55e;
}

.preview-layout {
  display: grid;
  gap: 18px;
  grid-template-columns: 0.36fr 1fr;
  padding: 24px;
}

.preview-sidebar,
.preview-content,
.device-screen {
  background: linear-gradient(145deg, var(--surface-strong), var(--surface));
  border: 1px solid var(--line);
  border-radius: 8px;
}

.preview-sidebar {
  min-height: 280px;
}

.preview-content {
  padding: 24px;
}

.preview-line {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 999px;
  height: 18px;
  margin-bottom: 14px;
  width: 62%;
}

.preview-line.wide {
  height: 52px;
  width: 88%;
}

.preview-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 28px;
}

.preview-grid span,
.device-screen span {
  background: color-mix(in srgb, var(--primary) 16%, var(--surface));
  border-radius: 8px;
  min-height: 76px;
}

.floating-stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  font-weight: 900;
  padding: 12px 14px;
  position: absolute;
}

.floating-stat.top {
  right: -12px;
  top: 24px;
}

.floating-stat.bottom {
  bottom: 28px;
  left: -20px;
}

.scroll-indicator {
  border: 2px solid var(--line);
  border-radius: 999px;
  bottom: 28px;
  height: 42px;
  left: 50%;
  position: absolute;
  transform: translateX(-50%);
  width: 24px;
}

.scroll-indicator::after {
  animation: scrollDot 1.6s infinite;
  background: var(--primary);
  border-radius: 50%;
  content: "";
  height: 6px;
  left: 7px;
  position: absolute;
  top: 8px;
  width: 6px;
}

@keyframes scrollDot {
  50% {
    transform: translateY(14px);
  }
}

.section-heading {
  margin: 0 auto 34px;
  max-width: 720px;
  text-align: center;
}

.section-heading.left {
  margin-inline: 0;
  text-align: left;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.7rem);
  letter-spacing: 0;
  line-height: 1.05;
  margin: 14px 0;
}

h3,
p {
  margin-top: 0;
}

.feature-grid,
.card-grid,
.theme-grid,
.portfolio-grid,
.pricing-grid,
.why-list {
  display: grid;
  gap: 18px;
}

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

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

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

.feature-card,
.service-card,
.theme-card,
.portfolio-card,
.audience-card,
.pricing-card,
.timeline-item,
.why-item,
.testimonial-carousel,
.faq-item,
.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 34px rgba(17, 24, 39, 0.06);
}

.feature-card,
.service-card,
.audience-card,
.pricing-card {
  padding: 24px;
}

.feature-card:hover,
.service-card:hover,
.theme-card:hover,
.portfolio-card:hover,
.audience-card:hover,
.pricing-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.feature-card,
.service-card,
.theme-card,
.portfolio-card,
.audience-card,
.pricing-card {
  transition: transform 240ms ease, box-shadow 240ms ease;
}

.feature-card strong {
  display: block;
  font-size: 2rem;
  margin-top: 16px;
}

.feature-card p,
.service-card p,
.theme-card p,
.portfolio-card p,
.audience-card p,
.pricing-card p,
.timeline-item p,
.faq-item p {
  color: var(--muted);
}

.benefit-list,
.tag-list,
.metrics,
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.benefit-list span,
.tag-list span,
.metrics span {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  padding: 7px 10px;
}

.theme-card,
.portfolio-card {
  overflow: hidden;
}

.theme-preview,
.project-thumb {
  background:
    linear-gradient(135deg, var(--a), var(--b)),
    linear-gradient(45deg, var(--c), transparent);
  min-height: 190px;
  padding: 20px;
  position: relative;
}

.theme-preview span {
  background: rgba(255, 255, 255, 0.82);
  border-radius: 8px;
  display: block;
  position: absolute;
}

.theme-preview span:nth-child(1) {
  height: 36px;
  left: 18px;
  right: 18px;
  top: 18px;
}

.theme-preview span:nth-child(2) {
  bottom: 22px;
  height: 86px;
  left: 18px;
  width: 38%;
}

.theme-preview span:nth-child(3) {
  bottom: 22px;
  height: 86px;
  right: 18px;
  width: 48%;
}

.theme-preview.large {
  min-height: 320px;
}

.theme-card-body,
.portfolio-body {
  display: grid;
  gap: 16px;
  padding: 22px;
}

.project-thumb {
  align-items: end;
  color: white;
  display: flex;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.showcase,
.why-section,
.testimonials-section {
  background: var(--surface-strong);
}

.device-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.device-stage {
  align-items: center;
  display: flex;
  min-height: 430px;
  justify-content: center;
}

.device-frame {
  background: var(--text);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 12px;
  transition: width 300ms ease, height 300ms ease;
}

.device-frame.mobile {
  height: 390px;
  width: 210px;
}

.device-frame.tablet {
  height: 390px;
  width: 300px;
}

.device-frame.laptop {
  height: 330px;
  width: 500px;
}

.device-frame.desktop {
  height: 360px;
  width: min(620px, 100%);
}

.device-screen {
  display: grid;
  gap: 12px;
  height: 100%;
  padding: 16px;
}

.timeline {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(5, 1fr);
}

.timeline-item {
  padding: 20px;
  position: relative;
}

.timeline-item span {
  align-items: center;
  background: var(--text);
  border-radius: 50%;
  color: var(--bg);
  display: inline-flex;
  font-weight: 900;
  height: 38px;
  justify-content: center;
  margin-bottom: 18px;
  width: 38px;
}

.audience-grid {
  grid-template-columns: repeat(5, 1fr);
}

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

.why-item {
  align-items: flex-start;
  display: flex;
  gap: 12px;
  padding: 18px;
}

.why-item span {
  color: var(--accent);
  font-weight: 900;
}

.pricing-toggle {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
}

.switch input {
  display: none;
}

.switch span {
  background: var(--line);
  border-radius: 999px;
  display: block;
  height: 28px;
  position: relative;
  width: 52px;
}

.switch span::after {
  background: white;
  border-radius: 50%;
  content: "";
  height: 22px;
  left: 3px;
  position: absolute;
  top: 3px;
  transition: transform 220ms ease;
  width: 22px;
}

.switch input:checked + span {
  background: var(--primary);
}

.switch input:checked + span::after {
  transform: translateX(24px);
}

.pricing-card {
  position: relative;
}

.pricing-card.popular {
  border-color: var(--primary);
  transform: translateY(-10px);
}

.popular-badge {
  position: absolute;
  right: 18px;
  top: 18px;
}

.pricing-card strong {
  display: block;
  font-size: 2.5rem;
  margin: 18px 0;
}

.pricing-card ul {
  color: var(--muted);
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.pricing-card li::before {
  color: var(--accent);
  content: "+ ";
  font-weight: 900;
}

.testimonial-carousel {
  align-items: center;
  display: grid;
  gap: 18px;
  grid-template-columns: 44px 1fr 44px;
  padding: 22px;
}

.testimonial-track {
  min-height: 230px;
  position: relative;
}

.testimonial {
  inset: 0;
  opacity: 0;
  position: absolute;
  transition: opacity 280ms ease;
}

.testimonial.active {
  opacity: 1;
}

.testimonial p {
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
}

.stars {
  color: #f59e0b;
  letter-spacing: 0;
  margin-bottom: 16px;
}

.client {
  align-items: center;
  display: flex;
  gap: 12px;
}

.client small {
  color: var(--muted);
  display: block;
}

.search-box {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.search-box span,
label {
  color: var(--muted);
  font-weight: 800;
}

input,
select,
textarea {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  margin-top: 7px;
  min-height: 46px;
  padding: 11px 12px;
  width: 100%;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item button {
  align-items: center;
  background: none;
  border: 0;
  color: var(--text);
  display: flex;
  font-weight: 900;
  justify-content: space-between;
  min-height: 58px;
  padding: 0 18px;
  text-align: left;
  width: 100%;
}

.faq-item p {
  display: none;
  padding: 0 18px 18px;
}

.faq-item.open p {
  display: block;
}

.contact-section {
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 12%, var(--bg)), var(--bg));
}

.contact-links a {
  color: var(--primary);
  font-weight: 900;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 24px;
}

.form-row {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr 1fr;
}

.form-message {
  font-weight: 800;
  margin: 0;
}

.form-message.success {
  color: var(--accent);
}

.form-message.error {
  color: var(--warn);
}

.footer {
  background: var(--text);
  color: var(--bg);
  padding: 46px 0 24px;
}

.footer-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: 1.2fr 1fr 1fr;
}

.footer a {
  display: block;
  margin-bottom: 8px;
}

.footer .logo {
  display: inline-flex;
}

.footer p,
.footer-bottom {
  color: color-mix(in srgb, var(--bg) 75%, transparent);
}

.footer-bottom {
  border-top: 1px solid color-mix(in srgb, var(--bg) 18%, transparent);
  margin-top: 28px;
  padding-top: 20px;
}

.modal {
  align-items: center;
  background: rgba(0, 0, 0, 0.58);
  display: flex;
  inset: 0;
  justify-content: center;
  padding: 20px;
  position: fixed;
  z-index: 100;
}

.modal[hidden],
[hidden] {
  display: none !important;
}

.modal-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  max-height: min(760px, 92vh);
  max-width: 920px;
  overflow: auto;
  padding: 24px;
  position: relative;
  width: 100%;
}

.modal-close {
  position: absolute;
  right: 16px;
  top: 16px;
  z-index: 1;
}

.modal-preview {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr 0.8fr;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease var(--delay, 0ms), transform 520ms ease var(--delay, 0ms);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1080px) {
  .feature-grid,
  .theme-grid,
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .nav {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .nav-panel,
  .nav-actions {
    display: none;
  }

  .nav-panel.open {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: grid;
    grid-column: 1 / -1;
    gap: 0;
    justify-content: stretch;
    padding: 8px;
  }

  .nav-panel.open a {
    border-radius: var(--radius);
    padding: 12px;
  }
}

@media (max-width: 820px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    padding-top: 56px;
  }

  .hero-grid,
  .two-column,
  .modal-preview,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .pricing-grid,
  .why-list,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .theme-grid,
  .portfolio-grid,
  .audience-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .pricing-card.popular {
    transform: none;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .testimonial-carousel {
    grid-template-columns: 1fr;
  }

  .testimonial-carousel > .icon-button {
    display: none;
  }

  .testimonial-track {
    min-height: 330px;
  }

  .floating-stat {
    display: none;
  }
}

@media (max-width: 520px) {
  :root {
    --shell: min(100% - 22px, 1160px);
  }

  .logo span:last-child {
    font-size: 0.88rem;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .preview-layout {
    grid-template-columns: 1fr;
  }

  .preview-sidebar {
    min-height: 80px;
  }

  .browser-frame {
    min-height: auto;
  }

  .split-actions,
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .split-actions .button,
  .hero-actions .button {
    width: 100%;
  }

  .device-frame.laptop,
  .device-frame.desktop {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}