@layer reset, tokens, base, components, layout, utilities;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body, h1, h2, h3, p, figure, blockquote { margin: 0; }
  ul, ol { margin: 0; padding: 0; list-style: none; }
  img { display: block; max-inline-size: 100%; block-size: auto; }
  button, input { font: inherit; }
}

@layer tokens {
  :root {
    color-scheme: light dark;
    --ink: #092f38;
    --ink-soft: #41636a;
    --canvas: #f4fafb;
    --surface: #ffffff;
    --surface-soft: #e7f5f7;
    --surface-strong: #d4edf1;
    --brand: #08798b;
    --brand-deep: #064b58;
    --brand-dark: #03353f;
    --accent: #32bdd2;
    --accent-soft: #a9e7ef;
    --line: #c7e0e4;
    --white: #f9feff;
    --button-ink: #f9feff;
    --shadow-sm: 0 1rem 2.6rem rgb(5 65 76 / 9%);
    --shadow-lg: 0 2.2rem 5.5rem rgb(3 53 63 / 18%);
    --radius-sm: .65rem;
    --radius-md: 1.2rem;
    --radius-lg: 2.2rem;
    --content: 75rem;
    --gutter: clamp(1.1rem, 4vw, 4rem);
    --section-space: clamp(5rem, 9vw, 9rem);
    --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-serif: Iowan Old Style, Baskerville, "Times New Roman", serif;
    --step--1: clamp(.78rem, .74rem + .15vw, .88rem);
    --step-0: clamp(1rem, .94rem + .25vw, 1.15rem);
    --step-1: clamp(1.25rem, 1.1rem + .55vw, 1.6rem);
    --step-2: clamp(1.65rem, 1.35rem + 1vw, 2.35rem);
    --step-3: clamp(2.25rem, 1.65rem + 2vw, 3.65rem);
    --step-4: clamp(3rem, 1.8rem + 4vw, 6rem);
  }

  @media (prefers-color-scheme: dark) {
    :root {
      --ink: #edfafa;
      --ink-soft: #a7c8cd;
      --canvas: #021f26;
      --surface: #07323b;
      --surface-soft: #0a3d47;
      --surface-strong: #0d4b56;
      --brand: #48c5d7;
      --brand-deep: #8bdde7;
      --brand-dark: #011a20;
      --accent: #63d3e1;
      --accent-soft: #185b66;
      --line: #1b5660;
      --white: #f9feff;
      --button-ink: #02252c;
      --shadow-sm: 0 1rem 2.6rem rgb(0 0 0 / 22%);
      --shadow-lg: 0 2.2rem 5.5rem rgb(0 0 0 / 34%);
    }
  }
}

@layer base {
  body {
    min-inline-size: 20rem;
    overflow-x: hidden;
    color: var(--ink);
    background: var(--canvas);
    font-family: var(--font-sans);
    font-size: var(--step-0);
    line-height: 1.65;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
  }

  body::before {
    position: fixed;
    z-index: -1;
    inset: 0;
    content: "";
    pointer-events: none;
    background:
      radial-gradient(circle at 8% 6%, rgb(50 189 210 / 10%), transparent 24rem),
      radial-gradient(circle at 90% 28%, rgb(8 121 139 / 8%), transparent 28rem);
  }

  a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .22em; }
  a:hover { color: var(--brand); }
  :focus-visible { outline: .2rem solid var(--accent); outline-offset: .25rem; }
  h1, h2, h3 { line-height: 1.06; letter-spacing: -.035em; text-wrap: balance; }
  h1 { font-size: var(--step-4); font-weight: 680; }
  h2 { font-size: var(--step-3); font-weight: 650; }
  h3 { font-size: var(--step-2); font-weight: 650; }
  h1 em { color: var(--brand); font-family: var(--font-serif); font-weight: 500; }
  p { text-wrap: pretty; }
}

@layer components {
  .skip-link {
    position: fixed;
    z-index: 100;
    inset-block-start: 1rem;
    inset-inline-start: 1rem;
    translate: 0 -200%;
    padding: .7rem 1rem;
    color: var(--white);
    background: var(--brand-dark);
    border-radius: var(--radius-sm);
  }
  .skip-link:focus { translate: 0; }

  .brand { display: inline-flex; align-items: center; gap: .8rem; text-decoration: none; }
  .brand img { inline-size: 3rem; aspect-ratio: 1; border-radius: 50%; box-shadow: 0 .45rem 1rem rgb(2 31 38 / 18%); }
  .brand span { display: grid; line-height: 1.15; }
  .brand strong { font-size: .94rem; letter-spacing: .02em; }
  .brand small { margin-block-start: .25rem; color: var(--ink-soft); font-size: .68rem; letter-spacing: .17em; text-transform: uppercase; }

  .eyebrow, .tag {
    color: var(--brand);
    font-size: var(--step--1);
    font-weight: 750;
    letter-spacing: .16em;
    line-height: 1.4;
    text-transform: uppercase;
  }

  .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-block-size: 3.4rem;
    padding: .85rem 1.4rem;
    color: var(--button-ink);
    background: var(--brand-deep);
    border: .08rem solid transparent;
    border-radius: 999rem;
    box-shadow: 0 .75rem 1.8rem rgb(6 75 88 / 18%);
    font-weight: 700;
    line-height: 1.1;
    text-decoration: none;
    transition: translate .2s ease, box-shadow .2s ease, background-color .2s ease;
  }
  .button:hover { color: var(--white); background: var(--brand-dark); box-shadow: 0 1rem 2.2rem rgb(6 75 88 / 25%); translate: 0 -.12rem; }
  .button--small { min-block-size: 2.85rem; padding: .65rem 1.05rem; font-size: .84rem; }
  .button--outline { color: var(--brand-deep); background: transparent; border-color: var(--line); box-shadow: none; }
  .button--outline:hover { color: var(--white); }
  .button--light { color: var(--brand-dark); background: var(--white); }
  .button--light:hover { color: var(--brand-dark); background: var(--accent-soft); }

  .text-link { display: inline-flex; gap: .45rem; align-items: center; color: var(--brand-deep); font-weight: 720; text-decoration: none; }
  .text-link span { transition: translate .2s ease; }
  .text-link:hover span { translate: .25rem 0; }

  .section-heading { display: grid; max-inline-size: 47rem; gap: 1.2rem; margin-block-end: clamp(2.4rem, 5vw, 4.5rem); }
  .section-heading > p:last-child { max-inline-size: 39rem; color: var(--ink-soft); font-size: var(--step-1); }
  .section-heading--center { margin-inline: auto; text-align: center; }
  .card-number { color: var(--brand); font-size: var(--step--1); font-weight: 750; letter-spacing: .14em; }
}

@layer layout {
  .site-header, main > section, .site-footer { inline-size: min(100% - (2 * var(--gutter)), var(--content)); margin-inline: auto; }

  .site-header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: clamp(1rem, 3vw, 3rem);
    min-block-size: 6.2rem;
  }
  .site-header nav { justify-self: center; }
  nav ul { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(.9rem, 2.3vw, 2rem); }
  nav a { font-size: .88rem; font-weight: 650; text-decoration: none; }
  .language-switch { display: inline-flex; align-items: center; gap: .35rem; padding-inline-start: .6rem; border-inline-start: 1px solid var(--line); }
  .language-switch a { color: var(--ink-soft); font-size: .72rem; letter-spacing: .08em; }
  .language-switch a[aria-current="page"] { color: var(--brand); font-weight: 850; }
  .language-switch span { color: var(--line); }

  .hero {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(18rem, .8fr);
    align-items: center;
    gap: clamp(3rem, 7vw, 7rem);
    min-block-size: min(49rem, calc(100svh - 6.2rem));
    padding-block: clamp(4rem, 8vw, 7.5rem);
  }
  .hero article { display: grid; gap: 1.55rem; }
  .hero .lede { max-inline-size: 42rem; color: var(--ink-soft); font-size: var(--step-1); }
  .hero article > footer { display: flex; flex-wrap: wrap; align-items: center; gap: 1.3rem 1.7rem; margin-block-start: .4rem; }
  .hero figure { position: relative; isolation: isolate; }
  .hero figure::before { position: absolute; z-index: -1; inset: 8%; content: ""; background: var(--accent); border-radius: 50%; filter: blur(3rem); opacity: .18; }
  .hero figure img { inline-size: 100%; border: .55rem solid rgb(255 255 255 / 65%); border-radius: 50%; box-shadow: var(--shadow-lg); }
  .hero figcaption { margin-block-start: 1.1rem; color: var(--ink-soft); font-size: var(--step--1); font-weight: 650; letter-spacing: .06em; text-align: center; text-transform: uppercase; }
  .trust-list { display: flex; flex-wrap: wrap; gap: .55rem 1.35rem; margin-block-start: .5rem; color: var(--ink-soft); font-size: var(--step--1); font-weight: 650; }
  .trust-list li { display: flex; align-items: center; gap: .5rem; }
  .trust-list li::before { inline-size: .42rem; aspect-ratio: 1; content: ""; background: var(--accent); border-radius: 50%; }

  .statement {
    padding: clamp(2.3rem, 5vw, 4.5rem);
    color: var(--white);
    background: linear-gradient(135deg, var(--brand-dark), #075e6b);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
  }
  .statement p { max-inline-size: 55rem; margin-inline: auto; font-family: var(--font-serif); font-size: clamp(1.7rem, 1.2rem + 1.7vw, 3rem); line-height: 1.25; text-align: center; }

  .section { padding-block: var(--section-space); }
  .card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.15rem; }
  .card-grid article { display: grid; align-content: start; gap: 1.2rem; min-block-size: 22rem; padding: clamp(1.6rem, 3vw, 2.5rem); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
  .card-grid p { color: var(--ink-soft); }
  .card-grid .text-link { margin-block-start: auto; }

  .framework { display: grid; grid-template-columns: minmax(17rem, .72fr) minmax(0, 1.28fr); gap: clamp(3rem, 8vw, 8rem); align-items: start; }
  .framework .section-heading { position: sticky; inset-block-start: 2rem; margin: 0; }
  .framework ol { display: grid; grid-template-columns: repeat(2, 1fr); border-block-start: 1px solid var(--line); }
  .framework li { display: grid; gap: .25rem; padding: 1.45rem 1rem; border-block-end: 1px solid var(--line); }
  .framework li:nth-child(odd) { border-inline-end: 1px solid var(--line); }
  .framework strong { color: var(--brand); font-size: var(--step-1); }
  .framework span { color: var(--ink-soft); font-size: var(--step--1); }

  .resources { border-block-start: 1px solid var(--line); }
  .resource-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 1rem; }
  .resource-grid article { display: grid; gap: 1.2rem; min-block-size: 25rem; padding: clamp(1.6rem, 3vw, 2.6rem); background: var(--surface-soft); border-radius: var(--radius-md); }
  .resource-grid li:first-child article { color: var(--white); background: linear-gradient(145deg, var(--brand-dark), var(--brand-deep)); box-shadow: var(--shadow-lg); }
  .resource-grid li:first-child .tag, .resource-grid li:first-child .text-link { color: var(--accent-soft); }
  .resource-grid p:not(.tag) { color: var(--ink-soft); }
  .resource-grid li:first-child p:not(.tag) { color: #c7e7ea; }
  .resource-grid .text-link { align-self: end; margin-block-start: auto; }

  .founder { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(3rem, 8vw, 8rem); border-block-start: 1px solid var(--line); }
  .founder header { display: grid; align-content: start; gap: 1rem; }
  .founder article { display: grid; gap: 1.5rem; color: var(--ink-soft); }
  .founder .quote { color: var(--ink); font-family: var(--font-serif); font-size: var(--step-2); line-height: 1.35; }
  .founder-credentials { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; overflow: hidden; margin-block: .5rem; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-md); }
  .founder-credentials li { display: grid; align-content: start; gap: .35rem; padding: 1.15rem; background: var(--surface); }
  .founder-credentials strong { color: var(--brand); font-size: var(--step-1); line-height: 1.1; }
  .founder-credentials span { color: var(--ink-soft); font-size: .78rem; }

  .services {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 2rem;
    padding: clamp(2.7rem, 6vw, 5rem);
    color: var(--white);
    background: var(--brand-dark);
    border-radius: var(--radius-lg);
  }
  .services .section-heading { margin: 0; }
  .services .eyebrow { color: var(--accent-soft); }
  .services .section-heading > p:last-child { color: #bcdde1; }

  .signup { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; }
  .signup article { display: grid; gap: 1.1rem; }
  .signup article > p:last-child { color: var(--ink-soft); font-size: var(--step-1); }
  .signup form { display: grid; gap: .7rem; }
  .signup label { font-size: var(--step--1); font-weight: 700; }
  .form-row { display: flex; gap: .65rem; padding: .4rem; background: var(--surface); border: 1px solid var(--line); border-radius: 999rem; box-shadow: var(--shadow-sm); }
  .form-row input { min-inline-size: 0; flex: 1; padding: .75rem 1rem; color: var(--ink); background: transparent; border: 0; outline: 0; }
  .form-row:focus-within { outline: .2rem solid var(--accent); outline-offset: .2rem; }
  .signup form small { color: var(--ink-soft); }

  .site-footer { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; padding-block: 3rem; border-block-start: 1px solid var(--line); }
  .site-footer > p { grid-column: 1 / -1; color: var(--ink-soft); }

  /* Repeatable conversion offer template */
  .offer-hero {
    display: grid;
    justify-items: center;
    gap: 1.45rem;
    padding-block: clamp(4.5rem, 10vw, 8.5rem) clamp(3rem, 7vw, 6rem);
    text-align: center;
  }
  .offer-hero h1 { max-inline-size: 63rem; }
  .offer-hero > p:not(.eyebrow) { max-inline-size: 45rem; color: var(--ink-soft); font-size: var(--step-1); }
  .offer-hero > .button { margin-block-start: .35rem; }
  .value-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    inline-size: 100%;
    margin-block-start: clamp(2.4rem, 6vw, 5rem);
    color: var(--white);
    background: var(--brand-dark);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
  }
  .value-strip li { display: grid; gap: .35rem; padding: clamp(1.4rem, 3vw, 2.2rem); }
  .value-strip li + li { border-inline-start: 1px solid rgb(255 255 255 / 18%); }
  .value-strip strong { color: var(--accent); font-size: var(--step--1); letter-spacing: .12em; }
  .value-strip span { color: #d1e9ec; font-size: .9rem; }

  .offer-selector { padding-block: var(--section-space); }
  .offer-grid { display: grid; grid-template-columns: repeat(3, 1fr); align-items: stretch; gap: 1rem; }
  .offer-grid > li { display: flex; }
  .offer-card {
    position: relative;
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    gap: 1.4rem;
    inline-size: 100%;
    padding: clamp(1.5rem, 2.7vw, 2.35rem);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
  }
  .offer-card--featured { border: .16rem solid var(--brand); box-shadow: var(--shadow-lg); }
  .offer-badge {
    position: absolute;
    inset-block-start: 0;
    inset-inline-start: 50%;
    padding: .5rem 1rem;
    color: var(--button-ink);
    background: var(--brand-deep);
    border-radius: 999rem;
    font-size: .67rem;
    font-weight: 800;
    letter-spacing: .14em;
    line-height: 1;
    translate: -50% -50%;
    white-space: nowrap;
  }
  .offer-card > header { display: grid; gap: .9rem; }
  .offer-card > header > p:last-child { color: var(--ink-soft); }
  .offer-kicker, .offer-fit strong {
    color: var(--brand);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
  }
  .offer-fit { padding-block: 1rem; color: var(--ink-soft); border-block: 1px solid var(--line); font-size: .91rem; }
  .offer-fit strong { display: block; margin-block-end: .3rem; }
  .check-list { display: grid; align-content: start; gap: .8rem; }
  .check-list li { display: grid; grid-template-columns: 1.15rem 1fr; gap: .55rem; color: var(--ink-soft); font-size: .94rem; }
  .check-list li::before { color: var(--brand); content: "✓"; font-weight: 850; }
  .offer-card > footer { display: grid; gap: .75rem; padding-block-start: .7rem; }
  .offer-card > footer > p { display: grid; }
  .offer-card > footer > p strong { color: var(--ink); font-size: .78rem; letter-spacing: .12em; }
  .offer-card > footer > p span, .offer-card > footer small { color: var(--ink-soft); font-size: .75rem; }
  .offer-card > footer .button { inline-size: 100%; }
  .offer-card > footer small { text-align: center; }

  .decision-section {
    display: grid;
    grid-template-columns: .7fr 1.3fr;
    gap: clamp(3rem, 8vw, 8rem);
    padding-block: var(--section-space);
    border-block: 1px solid var(--line);
  }
  .decision-section header { display: grid; align-content: start; gap: 1rem; }
  .decision-section ol { display: grid; gap: .75rem; counter-reset: choice; }
  .decision-section li {
    display: grid;
    grid-template-columns: 2.6rem 1fr;
    gap: 0 .9rem;
    padding: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    counter-increment: choice;
  }
  .decision-section li::before {
    grid-row: 1 / 3;
    display: grid;
    place-items: center;
    inline-size: 2.6rem;
    aspect-ratio: 1;
    color: var(--white);
    background: var(--brand-deep);
    border-radius: 50%;
    content: counter(choice);
    font-size: .8rem;
    font-weight: 800;
  }
  .decision-section li span { color: var(--ink-soft); }

  .comparison-section { padding-block: var(--section-space); }
  .comparison-section table { inline-size: 100%; border-collapse: collapse; background: var(--surface); box-shadow: var(--shadow-sm); }
  .comparison-section caption { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .comparison-section th, .comparison-section td { padding: 1.2rem; border-block-end: 1px solid var(--line); text-align: start; }
  .comparison-section thead th { color: var(--brand); background: var(--surface-soft); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; }
  .comparison-section tbody th { color: var(--ink); }
  .comparison-section td { color: var(--ink-soft); }

  .conversion-band {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 2rem;
    margin-block-end: var(--section-space);
    padding: clamp(2.5rem, 6vw, 5rem);
    color: var(--white);
    background: linear-gradient(135deg, var(--brand-dark), #075e6b);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
  }
  .conversion-band article { display: grid; gap: 1rem; max-inline-size: 46rem; }
  .conversion-band .eyebrow { color: var(--accent); }
  .conversion-band article > p:last-child { color: #cae5e8; }
}

@layer utilities {
  @media (max-width: 64rem) {
    .site-header { grid-template-columns: 1fr auto; }
    .site-header nav { grid-column: 1 / -1; grid-row: 2; justify-self: start; padding-block-end: 1.1rem; }
    .hero { grid-template-columns: 1fr .65fr; }
    .card-grid, .resource-grid { grid-template-columns: repeat(2, 1fr); }
    .card-grid li:last-child, .resource-grid li:first-child { grid-column: 1 / -1; }
    .resource-grid li:first-child { grid-row: 1; }
    .offer-grid { grid-template-columns: 1fr 1fr; }
    .offer-grid > li:last-child { grid-column: 1 / -1; }
  }

  @media (max-width: 46rem) {
    :root { --section-space: clamp(4rem, 14vw, 6rem); }
    .site-header { min-block-size: auto; padding-block: 1rem; }
    .site-header > .button { display: none; }
    .site-header nav { overflow-x: auto; inline-size: 100%; }
    .site-header nav ul { flex-wrap: nowrap; inline-size: max-content; }
    .hero { grid-template-columns: 1fr; min-block-size: auto; padding-block-start: 3rem; }
    .hero figure { inline-size: min(78vw, 24rem); margin-inline: auto; }
    .card-grid, .resource-grid, .framework, .founder, .services, .signup, .site-footer, .offer-grid, .decision-section, .conversion-band { grid-template-columns: 1fr; }
    .card-grid li:last-child, .resource-grid li:first-child { grid-column: auto; }
    .card-grid article, .resource-grid article { min-block-size: auto; }
    .framework .section-heading { position: static; }
    .services { align-items: start; }
    .services .button { justify-self: start; }
    .site-footer nav { grid-row: 2; }
    .offer-grid > li:last-child { grid-column: auto; }
    .value-strip { grid-template-columns: 1fr; }
    .value-strip li + li { border-block-start: 1px solid rgb(255 255 255 / 18%); border-inline-start: 0; }
    .conversion-band .button { justify-self: start; }
    .comparison-section { overflow-x: auto; }
    .comparison-section table { min-inline-size: 46rem; }
  }

  @media (max-width: 32rem) {
    .brand strong { font-size: .82rem; }
    .hero article > footer { align-items: stretch; flex-direction: column; }
    .hero .button { inline-size: 100%; }
    .framework ol { grid-template-columns: 1fr; }
    .framework li:nth-child(odd) { border-inline-end: 0; }
    .form-row { align-items: stretch; flex-direction: column; border-radius: var(--radius-md); }
    .form-row .button { inline-size: 100%; }
    .founder-credentials { grid-template-columns: 1fr; }
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  }

  @media (prefers-contrast: more) {
    :root { --line: currentColor; }
    .button, input, article { border-width: .12rem; }
  }

  @media print {
    .site-header nav, .site-header > .button, .signup, .site-footer nav { display: none; }
    body { color: #000; background: #fff; }
    .section, .hero { padding-block: 2rem; }
    .statement, .services { color: #000; background: #fff; border: 1px solid #000; box-shadow: none; }
  }
}