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

@layer reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  body,
  h1,
  h2,
  h3,
  p {
    margin: 0;
  }

  img {
    display: block;
    max-inline-size: 100%;
  }
}

@layer tokens {
  :root {
    color-scheme: light;
    --color-ink: #17212b;
    --color-muted: #54606c;
    --color-navy: #12324a;
    --color-navy-strong: #0d2638;
    --color-green: #1f5c4a;
    --color-green-strong: #164133;
    --color-line: #d8dee4;
    --color-paper: #f6f7f5;
    --color-white: #ffffff;
    --color-accent: #d9b56f;
    --color-accent-light: #f0dba5;
    --color-feature-text: #d9e2e9;
    --color-area-bg: #eef2f0;
    --color-area-border: #d6dfda;
    --content-width: 73.75rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --space-page: 1.25rem;
    --transition-fast: 180ms ease;
    --transition-medium: 220ms ease;
  }
}

@layer base {
  html {
    scroll-behavior: smooth;
  }

  body {
    background: var(--color-paper);
    color: var(--color-ink);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.55;
    text-rendering: optimizeLegibility;
  }

  a {
    color: inherit;
  }

  :focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
  }

  h1 {
    font-size: 2.6rem;
    line-height: 1.08;
    max-inline-size: 45.625rem;
  }

  h2 {
    color: var(--color-navy-strong);
    font-size: 2rem;
    line-height: 1.18;
  }

  h3 {
    color: var(--color-navy-strong);
    font-size: 1.15rem;
    line-height: 1.25;
  }

  h1 + *,
  h2 + *,
  h3 + * {
    margin-block-start: 0.875rem;
  }

  h1[id],
  h2[id] {
    scroll-margin-block-start: 5.5rem;
  }
}

@layer layout {
  .section {
    padding: 4rem var(--space-page);
  }

  .section--white {
    background: var(--color-white);
  }

  .section__inner,
  .nav,
  .footer__inner {
    margin-inline: auto;
    max-inline-size: var(--content-width);
  }

  .section__heading {
    margin-inline: auto;
    max-inline-size: 47.5rem;
    text-align: center;
  }

  .grid {
    display: grid;
    gap: 1.125rem;
  }

  .grid--3,
  .process,
  .core-four__grid {
    margin-block-start: 1.875rem;
  }

  .split {
    display: grid;
    gap: 1.875rem;
  }

  .split__intro {
    margin-inline: auto;
    max-inline-size: 47.5rem;
    text-align: center;
  }
}

@layer components {
  .skip-link {
    background: var(--color-white);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-sm);
    color: var(--color-navy-strong);
    font-weight: 700;
    inset-block-start: 0.75rem;
    inset-inline-start: 0.75rem;
    padding: 0.75rem 1rem;
    position: fixed;
    transform: translateY(-140%);
    transition: transform var(--transition-fast);
    z-index: 100;
  }

  .brand,
  .button,
  .nav-links a,
  .card a {
    text-decoration: none;
  }

  .skip-link:focus {
    transform: translateY(0);
  }

  .site-header {
    background: var(--color-white);
    border-block-end: 1px solid var(--color-line);
    inset-block-start: 0;
    position: sticky;
    z-index: 10;
  }

  .nav {
    align-items: center;
    display: flex;
    gap: 1.25rem;
    justify-content: space-between;
    padding: 0.875rem var(--space-page);
  }

  .brand {
    display: grid;
    gap: 0.0625rem;
    line-height: 1.1;
  }

  .brand strong {
    color: var(--color-navy-strong);
    font-size: 1.05rem;
  }

  .brand span {
    color: var(--color-muted);
    font-size: 0.78rem;
  }

  .nav-links {
    align-items: center;
    display: none;
    gap: 1.125rem;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .nav-links a {
    color: #283642;
    font-size: 0.92rem;
  }

  .button {
    align-items: center;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    display: inline-flex;
    font-weight: 700;
    min-block-size: 2.875rem;
    padding: 0.75rem 1.125rem;
  }

  .button--primary {
    background: var(--color-green);
    color: var(--color-white);
  }

  .button--primary:hover,
  .button--primary:focus-visible {
    background: var(--color-green-strong);
  }

  .button--secondary {
    background: rgb(255 255 255 / 10%);
    border-color: rgb(255 255 255 / 75%);
    color: var(--color-white);
  }

  .button--secondary:hover,
  .button--secondary:focus-visible {
    background: rgb(255 255 255 / 18%);
  }

  .button--secondary-dark {
    background: var(--color-navy);
    border-color: var(--color-navy);
    color: var(--color-white);
  }

  .button--secondary-dark:hover,
  .button--secondary-dark:focus-visible {
    background: var(--color-navy-strong);
  }

  .hero {
    min-block-size: 43.125rem;
    overflow: hidden;
    position: relative;
  }

  .hero::before {
    background: rgb(10 24 38 / 62%);
    content: "";
    inset: 0;
    position: absolute;
    z-index: 1;
  }

  .hero__media {
    block-size: 100%;
    inline-size: 100%;
    inset: 0;
    object-fit: cover;
    position: absolute;
  }

  .hero__content {
    color: var(--color-white);
    margin-inline: auto;
    max-inline-size: var(--content-width);
    padding: 5.375rem var(--space-page) 4.5rem;
    position: relative;
    z-index: 2;
  }

  .hero__text {
    font-size: 1.13rem;
    max-inline-size: 43.125rem;
  }

  .hero__text + .hero__text {
    margin-block-start: 0.75rem;
  }

  .hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-block-start: 1.875rem;
  }

  .eyebrow {
    color: var(--color-accent-light);
    font-size: 0.82rem;
    font-weight: 700;
    margin-block-end: 0.875rem;
    text-transform: uppercase;
  }

  .lead {
    color: var(--color-muted);
    font-size: 1.05rem;
  }

  .trust-list {
    display: grid;
    gap: 0.625rem;
    grid-template-columns: 1fr;
    list-style: none;
    margin: 2.125rem auto 0;
    max-inline-size: 48.75rem;
    padding: 0;
  }

  .trust-list__item {
    align-items: center;
    background: rgb(255 255 255 / 13%);
    border: 1px solid rgb(255 255 255 / 30%);
    border-radius: var(--radius-sm);
    display: flex;
    gap: 0.625rem;
    min-block-size: 3rem;
    padding: 0.625rem 0.75rem;
  }

  .trust-list__item::before {
    background: var(--color-accent);
    border-radius: 999px;
    content: "";
    flex: 0 0 0.625rem;
    block-size: 0.625rem;
    inline-size: 0.625rem;
  }

  .proof-strip .eyebrow {
    color: var(--color-green);
  }

  .trust-list--light .trust-list__item {
    background: var(--color-area-bg);
    border-color: var(--color-area-border);
    color: var(--color-navy-strong);
    justify-content: center;
  }

  .trust-list--light .trust-list__item::before {
    background: var(--color-green);
  }

  .card,
  .process__item {
    background: var(--color-white);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    padding: 1.375rem;
  }

  .card p {
    color: var(--color-muted);
  }

  .card a {
    color: var(--color-green);
    display: inline-block;
    font-weight: 700;
    margin-block-start: 1rem;
  }

  .feature-band {
    background: var(--color-navy);
    color: var(--color-white);
  }

  .feature-band h2,
  .feature-band h3 {
    color: var(--color-white);
  }

  .feature-band .lead,
  .feature-band p {
    color: var(--color-feature-text);
  }

  .check-list {
    display: grid;
    gap: 0.75rem;
    list-style: none;
    margin: 1.5rem 0 0;
    padding: 0;
  }

  .check-list li {
    border-inline-start: 4px solid var(--color-accent);
    padding-inline-start: 0.875rem;
  }

  .service-area {
    display: grid;
    gap: 0.625rem;
    grid-template-columns: 1fr;
    list-style: none;
    margin: 1.5rem 0 0;
    padding: 0;
  }

  .area-chip {
    background: var(--color-area-bg);
    border: 1px solid var(--color-area-border);
    border-radius: var(--radius-sm);
    color: var(--color-navy-strong);
    display: block;
    font-weight: 700;
    padding: 0.875rem 1rem;
  }

  .process {
    counter-reset: steps;
    display: grid;
    gap: 1.125rem;
  }

  .process__item h3::before {
    background: var(--color-green);
    border-radius: 999px;
    color: var(--color-white);
    content: counter(steps);
    counter-increment: steps;
    display: inline-grid;
    font-size: 0.9rem;
    block-size: 1.75rem;
    inline-size: 1.75rem;
    margin-inline-end: 0.625rem;
    place-items: center;
  }

  .core-four {
    background: #edf1ef;
  }

  .core-four__grid {
    display: grid;
    gap: 0.875rem;
  }

  .core-step {
    align-items: end;
    background: var(--color-navy-strong);
    border-radius: var(--radius-md);
    display: grid;
    min-block-size: 21.25rem;
    overflow: hidden;
    position: relative;
  }

  .core-step img {
    block-size: 100%;
    inline-size: 100%;
    inset: 0;
    object-fit: cover;
    position: absolute;
    transition:
      filter var(--transition-fast),
      transform var(--transition-medium);
  }

  .core-step::after {
    background: linear-gradient(180deg, rgb(13 38 56 / 4%) 30%, rgb(13 38 56 / 88%) 100%);
    content: "";
    inset: 0;
    position: absolute;
    transition: opacity var(--transition-fast);
    z-index: 1;
  }

  .core-step__copy {
    color: var(--color-white);
    padding: 1.5rem;
    position: relative;
    transition:
      background-color var(--transition-fast),
      color var(--transition-fast);
    inline-size: 100%;
    z-index: 2;
  }

  .core-step__number {
    color: var(--color-accent-light);
    display: none;
    font-size: 0.82rem;
    font-weight: 700;
    margin-block-end: 0.625rem;
    text-transform: uppercase;
  }

  .core-step h3 {
    color: var(--color-white);
  }

  .core-step p {
    color: var(--color-muted);
    margin-block-start: 0.625rem;
    max-block-size: 0;
    opacity: 0;
    overflow: hidden;
    transform: translateY(0.5rem);
    transition:
      max-block-size var(--transition-medium),
      opacity var(--transition-fast),
      transform var(--transition-fast);
  }

  .cta-band {
    background: var(--color-green);
    color: var(--color-white);
  }

  .cta-box {
    align-items: start;
    display: grid;
    gap: 1.25rem;
  }

  .cta-band h2,
  .cta-band p {
    color: var(--color-white);
  }

  .site-footer {
    background: var(--color-navy-strong);
    color: var(--color-feature-text);
    padding: 2.125rem var(--space-page);
  }

  .footer__inner {
    display: grid;
    gap: 1.125rem;
  }

  .footer__inner a {
    color: var(--color-white);
    text-decoration: underline;
  }
}

@layer utilities {
  @media (hover: hover) and (pointer: fine) {
    .core-step:hover img {
      filter: brightness(0.92) saturate(0.92);
      transform: scale(1.03);
    }

    .core-step:hover::after {
      opacity: 0.35;
    }

    .core-step:hover .core-step__copy {
      background: rgb(223 233 228 / 96%);
      box-shadow: inset 0 5px 0 var(--color-green);
      color: var(--color-ink);
    }

    .core-step:hover .core-step__number {
      color: var(--color-green);
      display: block;
    }

    .core-step:hover h3 {
      color: var(--color-navy-strong);
    }

    .core-step:hover p {
      max-block-size: 13.75rem;
      opacity: 1;
      transform: translateY(0);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      scroll-behavior: auto !important;
      transition-duration: 0.01ms !important;
    }
  }

  @media (width >= 42.5rem) {
    h1 {
      font-size: 3.35rem;
    }

    .hero {
      min-block-size: 40.625rem;
    }

    .trust-list,
    .service-area {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (width >= 56.25rem) {
    h1 {
      font-size: 4rem;
    }

    .nav-links {
      display: flex;
    }

    .hero__content {
      padding-block-start: 7rem;
    }

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

    .split {
      align-items: start;
      grid-template-columns: 1fr 1fr;
    }

    .split__intro {
      grid-column: 1 / -1;
    }

    .split > .check-list {
      grid-column: 1 / -1;
      justify-self: center;
      max-inline-size: 48rem;
      inline-size: 100%;
    }

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

    .core-four__grid {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .core-step {
      min-block-size: 26.875rem;
    }

    .cta-box {
      align-items: center;
      grid-template-columns: 1fr auto;
    }

    .footer__inner {
      align-items: center;
      grid-template-columns: 1fr auto;
    }
  }
}