:root {
    --brand: #FF3D8E;
    --brand-dark: #D81B76;
    --brand-tint: rgba(255, 61, 142, 0.08);
    --brand-tint-strong: rgba(255, 61, 142, 0.15);
    --yellow: #FFD23F;
    --yellow-dark: #C98A00;
    --yellow-tint: rgba(255, 210, 63, 0.20);
    --cyan: #12B8AA;
    --cyan-tint: rgba(18, 184, 170, 0.12);
    --violet: #7C5CFF;
    --violet-tint: rgba(124, 92, 255, 0.10);
    --green: #21D07A;
    --green-tint: rgba(33, 208, 122, 0.10);
    --red: #FF4458;
    --red-tint: rgba(255, 68, 88, 0.10);
    --amber: #FAAD00;
    --amber-tint: rgba(250, 173, 0, 0.12);
    --ink: #191726;
    --ink-soft: #5B5568;
    --grey-500: #6D8482;
    --grey-300: #D2E7E3;
    --grey-100: #E7F5F2;
    --bg: #F3FAF9;
    --bg-alt: #DCF0EC;
    --radius-lg: 28px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --radius-pill: 999px;
    --shadow-soft: 0 1px 2px rgba(25, 23, 38, 0.04), 0 10px 30px rgba(25, 23, 38, 0.07);
    --shadow-brand: 0 8px 20px rgba(255, 61, 142, 0.22), 0 2px 6px rgba(255, 61, 142, 0.18);
    --font-sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;
    --max-width: 1120px;
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; max-width: 100%; }

  body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--ink);
    background: var(--bg);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
  }

  img, svg { display: block; max-width: 100%; }
  a { color: inherit; text-decoration: none; }
  ul { margin: 0; padding: 0; list-style: none; }
  h1, h2, h3, p { margin: 0; }

  .container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
  }

  .section { padding: 96px 0; }
  .section-alt { background: var(--bg-alt); }
  .section-tight { padding: 72px 0; }

  .eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--brand);
    margin-bottom: 20px;
  }
  .eyebrow::before { content: "[ "; }
  .eyebrow::after { content: " ]"; }

  #features .eyebrow { color: var(--cyan); }
  #screenshots .eyebrow { color: var(--yellow-dark); }
  #benefits .eyebrow { color: var(--violet); }
  #faq .eyebrow { color: var(--brand); }

  .section-head {
    max-width: 640px;
    margin: 0 auto 56px;
    text-align: center;
  }

  .section-head h2 {
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 14px;
  }

  .section-head p {
    font-size: 17px;
    color: var(--ink-soft);
  }

  /* ── Buttons ─────────────────────────────────────────────────────────── */

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 26px;
    border-radius: var(--radius-pill);
    font-family: var(--font-mono);
    font-size: 13.5px;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease, opacity 0.15s ease;
  }

  .btn-primary {
    background: var(--brand);
    color: var(--bg);
    box-shadow: var(--shadow-brand);
  }
  .btn-primary:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 14px 28px rgba(255, 61, 142, 0.32), 0 4px 10px rgba(255, 61, 142, 0.2); }

  .btn-ghost {
    background: var(--bg);
    color: var(--ink);
    border: 1.5px solid var(--grey-300);
  }
  .btn-ghost:hover { border-color: var(--brand); color: var(--brand); }

  .btn-store {
    background: var(--ink);
    color: var(--bg);
    opacity: 0.55;
    cursor: default;
  }
  .btn-store .store-sub { display: block; font-size: 10px; font-weight: 500; opacity: 0.8; letter-spacing: 0.02em; }
  .btn-store .store-main { display: block; font-size: 13px; font-weight: 700; margin-top: 2px; }
  .btn-store svg { width: 22px; height: 22px; }

  /* ── Nav ─────────────────────────────────────────────────────────────── */

  .nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(243, 250, 249, 0.72);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border-bottom: 1px solid var(--grey-300);
  }

  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    max-width: var(--max-width);
    margin: 0 auto;
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 18px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background: var(--bg);
    border: 2px solid var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand);
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
  }

  .nav-links a {
    font-family: var(--font-mono);
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ink-soft);
  }
  .nav-links a:hover { color: var(--brand); }

  .nav-cta { display: flex; align-items: center; gap: 12px; }
  .nav-cta .btn { padding: 10px 18px; font-size: 12px; }

  @media (max-width: 760px) {
    .nav-links { display: none; }
  }

  @media (max-width: 400px) {
    .nav-cta .btn { padding: 8px 14px; font-size: 11px; }
  }

  /* ── Hero ────────────────────────────────────────────────────────────── */

  .hero {
    position: relative;
    overflow: hidden;
    padding: 88px 0 64px;
  }

  .hero-blobs {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: var(--bg-alt);
    clip-path: polygon(58% 0, 100% 0, 100% 100%, 40% 100%);
    opacity: 0.6;
  }

  .hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: center;
  }

  .hero-copy h1 {
    font-size: 54px;
    line-height: 1.08;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 22px;
  }

  .hero-copy h1 .accent {
    color: var(--ink);
    background-image: linear-gradient(100deg, transparent 0%, transparent 3%, var(--yellow) 3%, var(--yellow) 94%, transparent 94%);
    background-repeat: no-repeat;
    background-size: 100% 0.5em;
    background-position: 0 78%;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
  }

  .hero-copy .lede {
    font-size: 18px;
    color: var(--ink-soft);
    max-width: 480px;
    margin-bottom: 34px;
  }

  .hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 28px;
  }

  .hero-note {
    font-size: 13.5px;
    color: var(--grey-500);
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .hero-note svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--green); }

  /* Hero visual: full-screen app capture in a phone frame */

  .hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .hero-phone {
    position: relative;
    width: min(216px, 54vw);
    aspect-ratio: 640 / 1387;
    border-radius: 44px;
    border: 10px solid var(--ink);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    background: var(--ink);
  }

  .hero-phone::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 34%;
    height: 20px;
    background: var(--ink);
    border-radius: 0 0 16px 16px;
    z-index: 2;
  }

  .hero-phone-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
  }

  .stack-stamp {
    position: absolute;
    top: 16px;
    right: 14px;
    border: 2px solid var(--red);
    color: var(--red);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 3px 8px;
    border-radius: var(--radius-pill);
    transform: rotate(8deg);
    opacity: 0.75;
  }

  .float-chip {
    position: absolute;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--bg);
    border: 1.5px solid var(--ink);
    box-shadow: var(--shadow-soft);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .float-chip svg { width: 22px; height: 22px; }
  .chip-check { top: 20px; right: 18px; color: var(--green); border-color: var(--green); }
  .chip-redo { bottom: 24px; left: 6px; color: var(--amber); border-color: var(--amber); }

  @media (max-width: 940px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-copy h1 { font-size: 40px; }
    .hero-visual { height: 440px; margin-top: 12px; }
    .hero-phone { width: min(190px, 50vw); }
  }

  @media (max-width: 480px) {
    .hero-copy h1 { font-size: 32px; }
    .hero-visual { height: 340px; }
    .hero-phone { width: min(150px, 46vw); border-width: 8px; border-radius: 34px; }
    .float-chip { width: 44px; height: 44px; }
    .float-chip svg { width: 18px; height: 18px; }
    .chip-check { right: 2px; }
    .chip-redo { left: -8px; }
  }

  /* ── Feature / benefit cards ────────────────────────────────────────── */

  .grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .feature-card {
    background: var(--bg);
    border: 1.5px solid var(--grey-300);
    border-top: 4px solid var(--brand);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    box-shadow: var(--shadow-soft);
  }

  .grid-3 .feature-card:nth-child(4n+2) { border-top-color: var(--cyan); }
  .grid-3 .feature-card:nth-child(4n+3) { border-top-color: var(--yellow); }
  .grid-3 .feature-card:nth-child(4n+4) { border-top-color: var(--violet); }

  .feature-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    background: var(--brand-tint);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
  }
  .feature-icon svg { width: 20px; height: 20px; }

  .grid-3 .feature-card:nth-child(4n+2) .feature-icon { background: var(--cyan-tint); color: var(--cyan); }
  .grid-3 .feature-card:nth-child(4n+3) .feature-icon { background: var(--yellow-tint); color: var(--yellow-dark); }
  .grid-3 .feature-card:nth-child(4n+4) .feature-icon { background: var(--violet-tint); color: var(--violet); }

  .feature-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
  }

  .feature-card p {
    font-size: 14.5px;
    color: var(--ink-soft);
  }

  .feature-card-wide {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 24px;
    background: var(--bg-alt);
  }
  .feature-card-wide .feature-icon { margin-bottom: 0; flex-shrink: 0; background: var(--bg); }
  .feature-card-wide h3 { margin-bottom: 4px; }
  .feature-card-wide p { margin: 0; }

  @media (max-width: 640px) {
    .feature-card-wide { flex-direction: column; align-items: flex-start; gap: 14px; }
    .feature-card-wide .feature-icon { margin-bottom: 4px; }
  }

  @media (max-width: 940px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 640px) {
    .grid-3 { grid-template-columns: 1fr; }
  }

  /* ── Screenshots ─────────────────────────────────────────────────────── */

  .shots-row {
    display: flex;
    justify-content: center;
    gap: 22px;
    overflow-x: auto;
    padding: 8px 4px 24px;
    scroll-snap-type: x mandatory;
  }

  .shot-frame {
    flex: 0 0 auto;
    scroll-snap-align: start;
    width: 220px;
  }

  .shot-phone {
    width: 220px;
    height: 440px;
    border-radius: 40px;
    border: 8px solid var(--ink);
    background: var(--bg-alt);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-soft);
  }

  .shot-phone::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 18px;
    background: var(--ink);
    border-radius: 0 0 14px 14px;
    z-index: 2;
  }

  .shot-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
  }

  .shot-caption {
    text-align: center;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--ink-soft);
    margin-top: 14px;
  }

  /* ── Benefits ────────────────────────────────────────────────────────── */

  .benefits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 40px;
  }

  .benefit-item {
    display: flex;
    gap: 16px;
  }

  .benefit-check {
    flex: 0 0 auto;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: var(--brand-tint);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .benefit-check svg { width: 16px; height: 16px; }

  .benefits-grid .benefit-item:nth-child(4n+2) .benefit-check { background: var(--cyan-tint); color: var(--cyan); }
  .benefits-grid .benefit-item:nth-child(4n+3) .benefit-check { background: var(--yellow-tint); color: var(--yellow-dark); }
  .benefits-grid .benefit-item:nth-child(4n+4) .benefit-check { background: var(--violet-tint); color: var(--violet); }

  .benefit-item h3 {
    font-size: 15.5px;
    font-weight: 700;
    margin-bottom: 4px;
  }

  .benefit-item p {
    font-size: 14px;
    color: var(--ink-soft);
  }

  @media (max-width: 760px) {
    .benefits-grid { grid-template-columns: 1fr; }
  }

  /* ── FAQ ─────────────────────────────────────────────────────────────── */

  .faq-list { max-width: 760px; margin: 0 auto; }

  .faq-item {
    border-bottom: 1px solid var(--grey-300);
    padding: 6px 0;
  }

  .faq-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 4px;
    font-size: 16px;
    font-weight: 700;
  }
  .faq-item summary::-webkit-details-marker { display: none; }

  .faq-plus {
    flex: 0 0 auto;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--brand-tint);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 16px;
    font-family: var(--font-mono);
    font-size: 15px;
    transition: transform 0.2s ease;
  }
  .faq-item[open] .faq-plus { transform: rotate(45deg); }

  .faq-item p {
    padding: 0 4px 20px;
    font-size: 14.5px;
    color: var(--ink-soft);
    max-width: 640px;
  }

  /* ── Contact ─────────────────────────────────────────────────────────── */

  .contact-card {
    max-width: 620px;
    margin: 0 auto;
    text-align: center;
    background: var(--ink);
    border-radius: var(--radius-lg);
    padding: 56px 40px;
    color: var(--bg);
    box-shadow: 0 24px 60px rgba(255, 61, 142, 0.28), 0 4px 16px rgba(25, 23, 38, 0.2);
  }

  .contact-card h2 { font-size: 28px; font-weight: 800; margin-bottom: 12px; }
  .contact-card p { font-size: 15.5px; opacity: 0.82; margin-bottom: 28px; }

  .contact-card .btn-primary {
    background: var(--brand);
    color: var(--bg);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
  }

  /* ── Legal ───────────────────────────────────────────────────────────── */

  .legal {
    background: var(--bg-alt);
    padding: 72px 0;
  }

  .legal-inner {
    max-width: 720px;
    margin: 0 auto;
  }

  .legal h2 {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 6px;
  }

  .legal .updated {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--grey-500);
    margin-bottom: 32px;
    display: block;
  }

  .legal h3 {
    font-size: 15.5px;
    font-weight: 700;
    margin: 28px 0 8px;
  }

  .legal p, .legal li {
    font-size: 14.5px;
    color: var(--ink-soft);
    margin-bottom: 10px;
  }

  .legal ul { padding-left: 20px; list-style: disc; }

  .legal-divider {
    border: none;
    border-top: 1px solid var(--grey-300);
    margin: 56px 0;
  }

  /* ── Footer ──────────────────────────────────────────────────────────── */

  .footer {
    padding: 48px 0;
    border-top: 1px solid var(--grey-300);
  }

  .footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }

  .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
  }

  .footer-links a {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--ink-soft);
  }
  .footer-links a:hover { color: var(--brand); }

  .footer-copy {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--grey-500);
  }