:root {
  --blue-600: #1570ef;
  --blue-700: #1054b7;
  --blue-50: #eff8ff;
  --blue-900: #0b2b5e;
  --slate-900: #0f172a;
  --slate-700: #1e293b;
  --slate-600: #475569;
  --slate-400: #94a3b8;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --amber-400: #fbbf24;
  --danger-400: #f97316;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  --space-3xl: 96px;
  --space-4xl: 128px;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 40px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.18);
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--slate-900);
  background: var(--white);
  line-height: 1.5;
}

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

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

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

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
}

.centered {
  text-align: center;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(241, 245, 249, 0.8);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.07);
  border-color: rgba(226, 232, 240, 0.95);
}

.nav-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-600);
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(21, 112, 239, 0.18), rgba(11, 43, 94, 0.08));
}

.brand-mark-image {
  overflow: hidden;
  background: transparent;
}

.brand-mark-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}

.brand-mark svg,
.feature-icon svg,
.icon-wrap svg,
.proof-point svg,
.stars svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand-short {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  font-size: 16px;
  font-weight: 600;
  transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease,
    border-color 0.15s ease;
}

.btn-small {
  min-height: 40px;
  padding: 10px 20px;
  font-size: 14px;
}

.btn-primary {
  background: var(--blue-600);
  color: var(--white);
  box-shadow: 0 1px 3px rgba(21, 112, 239, 0.28);
}

.btn-secondary {
  background: transparent;
  color: var(--blue-600);
  border-color: var(--blue-600);
}

.btn-on-blue {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.48);
}

.hero-actions .btn-secondary {
  width: 180px;
  min-height: 46px;
  padding: 10px 16px;
  font-size: 15px;
}

.section {
  padding: var(--space-3xl) 0;
}

.section-muted {
  background: var(--gray-50);
}

.section-blue-tint {
  background: var(--blue-50);
}

.section-gradient {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #1570ef 0%, #0b4da2 100%);
  color: var(--white);
}

.section-gradient::before,
.section-gradient::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
  opacity: 0.25;
}

.section-gradient::before {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.38) 0%, rgba(255, 255, 255, 0) 72%);
  top: -120px;
  right: -120px;
}

.section-gradient::after {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0) 72%);
  bottom: -100px;
  left: -70px;
}

.hero {
  padding: 88px 0 72px;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 390px);
  gap: 36px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.96);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero h1,
.final-cta h2 {
  margin: var(--space-md) 0 0;
  font-size: clamp(2.25rem, 5.2vw, 3.5rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.hero-subhead,
.final-cta p {
  margin: 20px 0 0;
  max-width: 34rem;
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.88);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: var(--space-lg);
}

.hero-meta {
  margin-top: 14px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.68);
}

.app-store-badge {
  display: inline-flex;
  width: min(180px, 100%);
}

.hero-visual,
.audience-visual {
  display: flex;
  justify-content: center;
}

.phone-frame {
  position: relative;
  width: min(100%, 290px);
  padding: 12px;
  background: linear-gradient(180deg, #101828 0%, #344054 100%);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.phone-frame::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  width: 34%;
  height: 18px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
}

.phone-frame img {
  width: 100%;
  border-radius: 30px;
  background: var(--white);
}

.phone-frame-hero {
  width: min(100%, 288px);
}

.tilt-right {
  transform: perspective(1200px) rotateY(-10deg) rotateZ(4deg);
}

.tilt-left {
  transform: perspective(1200px) rotateY(10deg) rotateZ(-4deg);
}

.section-heading {
  max-width: 640px;
}

.section-heading.centered {
  margin: 0 auto;
}

.section-heading h2 {
  margin: 0;
  color: var(--blue-900);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.section-heading p {
  margin: 16px 0 0;
  color: var(--slate-600);
  font-size: clamp(1rem, 1.8vw, 1.125rem);
  line-height: 1.65;
}

.problem-solution-grid,
.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  align-items: start;
  margin-top: 48px;
}

.list-panel {
  padding: 32px;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.panel-label {
  display: flex;
  align-items: center;
  gap: 14px;
}

.panel-label h3,
.benefit-card h3,
.audience-item h3 {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.3;
  font-weight: 600;
  color: var(--slate-900);
}

.icon-wrap,
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  flex: 0 0 auto;
}

.feature-icon {
  background: var(--blue-50);
  color: var(--blue-600);
}

.icon-problem {
  background: rgba(249, 115, 22, 0.12);
  color: var(--danger-400);
}

.icon-solution {
  background: rgba(34, 197, 94, 0.14);
  color: var(--green-600);
}

.bullet-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.bullet-list li {
  position: relative;
  padding-left: 28px;
  color: var(--slate-600);
  font-size: 1rem;
  line-height: 1.6;
}

.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 999px;
}

.bullet-list-problem li::before {
  background: linear-gradient(180deg, #fb923c, #f97316);
}

.bullet-list-solution li {
  color: var(--slate-900);
  font-weight: 500;
}

.bullet-list-solution li::before {
  background: linear-gradient(180deg, #4ade80, #16a34a);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.card {
  border-radius: var(--radius-md);
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
}

.benefit-card p,
.asset-note,
.partner-email {
  margin: 10px 0 0;
  color: var(--slate-600);
  font-size: 1rem;
  line-height: 1.65;
}

.screenshots-desktop {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  align-items: end;
  margin-top: 48px;
}

.showcase-item {
  text-align: center;
}

.showcase-item figcaption {
  margin-top: 16px;
  color: var(--slate-400);
  font-size: 14px;
}

.showcase-featured {
  transform: translateY(-12px);
}

.showcase-featured .phone-frame {
  width: min(100%, 315px);
}

.screenshots-mobile {
  display: none;
}

.carousel-dots {
  display: none;
}

.asset-note {
  margin-top: 24px;
  text-align: center;
}

.audience-list {
  display: grid;
  gap: 24px;
  margin-top: 32px;
}

.audience-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  align-items: start;
}

.audience-item p {
  margin: 8px 0 0;
  color: var(--slate-600);
  font-size: 15px;
  line-height: 1.6;
}

.proof-wrap {
  max-width: 800px;
}

.testimonial-card {
  margin-top: 48px;
  padding: 40px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--blue-600);
  background: linear-gradient(180deg, rgba(239, 248, 255, 0.7), rgba(255, 255, 255, 1));
  box-shadow: var(--shadow-sm);
}

.stars {
  display: flex;
  gap: 4px;
  color: var(--amber-400);
}

.stars svg {
  fill: rgba(251, 191, 36, 0.18);
  stroke: var(--amber-400);
}

.testimonial-card blockquote {
  margin: 20px 0 0;
  color: var(--slate-900);
  font-size: clamp(1.125rem, 2.1vw, 1.25rem);
  line-height: 1.65;
  font-style: italic;
}

.testimonial-attribution {
  margin: 16px 0 0;
  color: var(--slate-600);
  font-size: 15px;
  font-weight: 500;
}

.proof-points {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px 28px;
  margin-top: 40px;
}

.proof-point {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--slate-600);
  font-size: 15px;
  font-weight: 500;
}

.proof-point svg {
  color: var(--blue-600);
}

.partner-wrap,
.cta-wrap {
  max-width: 640px;
}

.partner-wrap {
  text-align: center;
}

.partner-wrap .btn,
.cta-wrap .app-store-badge {
  margin-top: 28px;
}

.partner-email a {
  color: var(--blue-600);
}

.final-cta {
  padding: var(--space-3xl) 0;
}

.cta-wrap {
  position: relative;
  z-index: 1;
  margin: 0 auto;
}

.site-footer {
  background: var(--slate-900);
  color: var(--white);
  padding: 48px 0 32px;
}

.footer-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.footer-tagline {
  margin: 8px 0 0;
  color: var(--slate-400);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
}

.footer-links a,
.footer-bottom p {
  color: var(--slate-400);
  font-size: 14px;
}

.footer-bottom {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 13px;
}

.sticky-cta-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: center;
  padding: 12px 20px calc(12px + env(safe-area-inset-bottom));
  background: rgba(21, 112, 239, 0.98);
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.14);
  transform: translateY(120%);
  transition: transform 0.3s ease;
  z-index: 90;
}

.sticky-cta-bar.visible {
  transform: translateY(0);
}

.sticky-cta-bar a {
  color: var(--white);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.btn:focus-visible,
.footer-links a:focus-visible,
.sticky-cta-bar a:focus-visible,
.dot:focus-visible {
  outline: 3px solid rgba(21, 112, 239, 0.26);
  outline-offset: 3px;
}

@media (hover: hover) {
  .btn-primary:hover {
    background: var(--blue-700);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(21, 112, 239, 0.25);
  }

  .btn-secondary:hover {
    background: rgba(239, 248, 255, 0.92);
  }

  .btn-on-blue:hover {
    background: rgba(255, 255, 255, 0.12);
  }

  .card:hover,
  .list-panel:hover,
  .testimonial-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }

  .footer-links a:hover,
  .partner-email a:hover {
    color: var(--white);
  }
}

@media (max-width: 1024px) {
  .hero {
    padding-top: 88px;
  }

  .tilt-right,
  .tilt-left {
    transform: none;
  }
}

@media (max-width: 768px) {
  .brand-mark {
    width: 30px;
    height: 30px;
    border-radius: 9px;
  }

  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .brand-full {
    display: none;
  }

  .brand-short {
    display: inline;
  }

  .hero {
    padding: 48px 0 40px;
  }

  .hero-inner,
  .problem-solution-grid,
  .audience-grid,
  .footer-top {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hero-copy,
  .hero-visual,
  .footer-top,
  .footer-links {
    text-align: center;
    justify-content: center;
  }

  .nav-inner {
    min-height: 56px;
    gap: 12px;
  }

  .hero-actions {
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
  }

  .section {
    padding: 64px 0;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .screenshots-desktop {
    display: none;
  }

  .screenshots-mobile {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 0 8px 8px;
    margin-top: 40px;
    scrollbar-width: none;
  }

  .screenshots-mobile::-webkit-scrollbar {
    display: none;
  }

  .mobile-showcase {
    scroll-snap-align: center;
    flex: 0 0 260px;
  }

  .carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
  }

  .dot {
    width: 10px;
    height: 10px;
    border: 0;
    border-radius: 999px;
    background: var(--gray-100);
    padding: 0;
    cursor: pointer;
  }

  .dot.active {
    background: var(--blue-600);
  }

  .btn,
  .app-store-badge {
    width: 100%;
  }

  .hero-actions .app-store-badge {
    max-width: 180px;
  }

  .hero-actions .btn-secondary {
    width: 100%;
    max-width: 180px;
    min-height: 44px;
    padding: 10px 16px;
  }

  .app-store-badge img {
    width: 100%;
  }

  .hero-actions .app-store-badge img {
    width: 180px;
    max-width: 100%;
  }

  .hero-visual .phone-frame,
  .audience-visual .phone-frame {
    width: min(100%, 250px);
  }

  .hero-subhead {
    max-width: 100%;
  }

  .sticky-cta-bar {
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  }

  .testimonial-card {
    padding: 24px;
  }

  .proof-points {
    flex-direction: column;
    align-items: center;
    gap: 14px;
  }

  .site-footer {
    padding-bottom: 96px;
  }
}