@layer reset, theme, base, components, motion, responsive;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scrollbar-gutter: stable; }
  body { margin: 0; }
  img { display: block; max-width: 100%; }
  a { color: inherit; text-decoration: none; }
}

@layer theme {
  @property --progress {
    syntax: "<number>";
    inherits: false;
    initial-value: 0;
  }

  :root {
    color-scheme: light;
    --ink: #111;
    --muted: #6f655f;
    --paper: #f4efe8;
    --white: #fff;
    --line: rgb(17 17 17 / 12%);
    --line-strong: rgb(17 17 17 / 28%);
    --accent: #a8724a;
    --radius: 8px;
    --container: 1180px;
    --shadow: 0 28px 80px rgb(17 17 17 / 12%);
    --font-ui: "Manrope", Inter, ui-sans-serif, system-ui, sans-serif;
    --font-display: "Instrument Serif", Georgia, serif;
  }
}

@layer base {
  body {
    min-width: 320px;
    overflow-x: hidden;
    color: var(--ink);
    background:
      radial-gradient(circle at 20% 0, rgb(168 114 74 / 18%), transparent 30rem),
      linear-gradient(90deg, rgb(17 17 17 / 4%) 1px, transparent 1px),
      linear-gradient(180deg, var(--paper), var(--white));
    background-size: auto, 82px 82px, auto;
    font-family: var(--font-ui);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  ::selection { color: var(--white); background: var(--ink); }
  h1, h2, h3, p { margin-block-start: 0; }
  h1, h2 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 0.96;
    letter-spacing: 0;
    text-wrap: balance;
  }
  h1 { max-width: 12ch; margin-block-end: 1.4rem; font-size: clamp(4rem, 8vw, 8rem); }
  h2 { max-width: 12ch; margin-block-end: 1rem; font-size: clamp(2.8rem, 5.8vw, 5.7rem); }
  h3 { margin-block: 0 0.55rem; font-size: clamp(1.1rem, 1.5vw, 1.35rem); line-height: 1.2; }
  p { margin-block-end: 0; }
  :focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
}

@layer components {
  .scroll-progress {
    position: fixed;
    inset: 0 0 auto;
    z-index: 80;
    height: 3px;
    transform: scaleX(var(--progress));
    transform-origin: left;
    background: linear-gradient(90deg, var(--ink), var(--accent));
  }

  .site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 70;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 1.5rem;
    min-height: 82px;
    padding-inline: max(1.2rem, calc((100vw - var(--container)) / 2));
    border-bottom: 1px solid transparent;
    background: linear-gradient(180deg, rgb(244 239 232 / 90%), transparent);
    transition: background 320ms ease, border-color 320ms ease, backdrop-filter 320ms ease;

    &[data-elevated="true"] {
      border-bottom-color: var(--line);
      background: rgb(244 239 232 / 92%);
      backdrop-filter: blur(18px);
    }
  }

  .brand img { width: 210px; }
  .main-nav {
    display: flex;
    justify-content: center;
    gap: clamp(1rem, 2.2vw, 2.2rem);
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;

    a:hover { color: var(--ink); }
  }

  .header-cta,
  .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    border: 1px solid var(--ink);
    border-radius: var(--radius);
    padding-inline: 1.15rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: transform 220ms ease, background 220ms ease, color 220ms ease;
  }

  .header-cta,
  .button.primary {
    color: var(--white);
    background: var(--ink);
  }

  .button.secondary {
    color: var(--ink);
    background: rgb(255 255 255 / 46%);
  }

  .header-cta:hover,
  .button:hover {
    transform: translateY(-2px);
  }

  .hero {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(22rem, 0.8fr);
    gap: clamp(2rem, 7vw, 5rem);
    align-items: center;
    width: min(var(--container), calc(100% - 2.4rem));
    min-height: 100svh;
    margin-inline: auto;
    padding-block: 8rem 4rem;
  }

  .hero-copy p:not(.eyebrow),
  .section-heading p,
  .process-copy p {
    max-width: 43rem;
    color: var(--muted);
    font-size: clamp(1rem, 1.5vw, 1.18rem);
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 2rem;
  }

  .eyebrow {
    margin-block: 0 1rem;
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.18em;
    text-transform: uppercase;
  }

  .hero-board {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .board-card {
    min-height: 170px;
    display: grid;
    align-content: end;
    gap: 0.4rem;
    padding: 1.2rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgb(255 255 255 / 58%);
    box-shadow: 0 16px 50px rgb(17 17 17 / 7%);

    span {
      font-family: var(--font-display);
      font-size: 3rem;
      line-height: 1;
    }

    p {
      color: var(--muted);
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }

    &.dark {
      color: var(--white);
      background: var(--ink);

      p { color: #d8d0c8; }
    }

    &.accent {
      color: var(--white);
      background: var(--accent);

      p { color: #f3e8dc; }
    }
  }

  .metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-block: 1px solid var(--line);
    background: var(--white);

    span {
      min-height: 112px;
      display: grid;
      place-items: center;
      padding: 1.2rem;
      color: var(--muted);
      text-align: center;
      font-size: 0.76rem;
      font-weight: 800;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    strong { color: var(--ink); }
    span + span { border-left: 1px solid var(--line); }
  }

  .section {
    width: min(var(--container), calc(100% - 2.4rem));
    margin-inline: auto;
    padding-block: clamp(5rem, 10vw, 8.5rem);
  }

  .section-heading {
    max-width: 880px;
    margin-bottom: clamp(2rem, 5vw, 3rem);

    &.compact {
      margin-inline: auto;
      text-align: center;

      h2,
      p { margin-inline: auto; }
    }
  }

  .project-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .project-card {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    min-height: 430px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: 0 16px 50px rgb(17 17 17 / 7%);
  }

  .site-mock,
  .commerce-demo {
    min-height: 100%;
    padding: 1.1rem;
    color: var(--white);
    background: var(--ink);
  }

  .site-mock {
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 1rem;
  }

  .mock-bar {
    display: flex;
    gap: 0.4rem;

    span {
      width: 0.7rem;
      height: 0.7rem;
      border-radius: 50%;
      background: rgb(255 255 255 / 60%);
    }
  }

  .mock-hero {
    display: grid;
    align-content: end;
    min-height: 250px;
    padding: 1.1rem;
    border: 1px solid rgb(255 255 255 / 18%);
    border-radius: var(--radius);
    background:
      linear-gradient(180deg, transparent, rgb(0 0 0 / 45%)),
      radial-gradient(circle at 80% 15%, rgb(255 255 255 / 20%), transparent 10rem);

    small {
      color: rgb(255 255 255 / 68%);
      font-weight: 900;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    strong {
      max-width: 11ch;
      font-family: var(--font-display);
      font-size: clamp(2.5rem, 4vw, 4rem);
      line-height: 0.95;
    }

    p { color: rgb(255 255 255 / 70%); }
  }

  .mock-row,
  .mock-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem;
  }

  .mock-row span {
    min-height: 4rem;
    display: grid;
    place-items: center;
    border: 1px solid rgb(255 255 255 / 18%);
    border-radius: var(--radius);
    color: rgb(255 255 255 / 78%);
    font-size: 0.78rem;
    font-weight: 800;
  }

  .mock-gallery span {
    min-height: 6rem;
    border-radius: var(--radius);
    background: rgb(255 255 255 / 15%);
  }

  .clinic-mock { background: linear-gradient(135deg, #5e4245, #c98b91); }
  .builder-mock { background: #050505; }

  .commerce-demo {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 1rem;
  }

  .burger-demo { background: linear-gradient(135deg, #17100d, #e4572e); }
  .cambuci-demo { background: linear-gradient(135deg, #5f7f36, #d9893d); }

  .demo-menu {
    display: grid;
    align-content: center;
    gap: 0.8rem;
  }

  .demo-product {
    display: grid;
    grid-template-columns: 4rem 1fr auto;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    border: 1px solid rgb(255 255 255 / 18%);
    border-radius: var(--radius);
    background: rgb(255 255 255 / 10%);

    > span {
      width: 4rem;
      height: 4rem;
      border-radius: var(--radius);
      background: rgb(255 255 255 / 32%);
    }

    strong { display: block; }
    p {
      margin: 0;
      color: rgb(255 255 255 / 70%);
      font-size: 0.9rem;
    }
    em {
      color: var(--white);
      font-style: normal;
      font-weight: 900;
    }
    b {
      display: grid;
      place-items: center;
      width: 2rem;
      height: 2rem;
      border-radius: 50%;
      color: var(--ink);
      background: var(--white);
    }
  }

  .demo-cart {
    align-self: center;
    display: grid;
    gap: 0.65rem;
    padding: 1rem;
    border: 1px solid rgb(255 255 255 / 22%);
    border-radius: var(--radius);
    background: rgb(0 0 0 / 42%);
    box-shadow: 0 18px 50px rgb(0 0 0 / 18%);

    small {
      color: rgb(255 255 255 / 65%);
      font-weight: 900;
      letter-spacing: 0.14em;
      text-transform: uppercase;
    }

    p {
      margin: 0;
      color: rgb(255 255 255 / 75%);
    }

    strong { color: var(--white); }

    span {
      display: grid;
      place-items: center;
      min-height: 2.5rem;
      border-radius: var(--radius);
      color: var(--ink);
      background: var(--white);
      font-size: 0.72rem;
      font-weight: 900;
      letter-spacing: 0.08em;
      text-align: center;
      text-transform: uppercase;
    }
  }

  .project-content {
    display: grid;
    align-content: center;
    gap: 1rem;
    padding: 1.4rem;
  }

  .project-type {
    margin: 0;
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }

  .project-content > p:not(.project-type) { color: var(--muted); }

  .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;

    span {
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 0.35rem 0.65rem;
      color: var(--muted);
      font-size: 0.78rem;
      font-weight: 800;
    }
  }

  .service-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
  }

  .service-grid article,
  .steps article {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.35rem;
    background: rgb(255 255 255 / 62%);
    box-shadow: 0 16px 50px rgb(17 17 17 / 6%);

    span {
      display: inline-flex;
      margin-bottom: 2rem;
      color: var(--accent);
      font-family: var(--font-display);
      font-size: 1.9rem;
    }

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

  .process {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(22rem, 0.9fr);
    gap: clamp(2rem, 7vw, 5rem);
    align-items: start;
  }

  .steps {
    display: grid;
    gap: 1rem;
  }

  .cta {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1.5rem;
    border-block: 1px solid var(--line);
  }

  .site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.2rem;
    padding: 1.7rem max(1.2rem, calc((100vw - var(--container)) / 2));
    color: var(--muted);
    border-top: 1px solid var(--line);
    background: var(--white);

    img { width: 190px; }
    p { margin: 0; }
    a { color: var(--ink); font-weight: 900; }
  }
}

@layer motion {
  @keyframes rise-in {
    from { opacity: 0; transform: translateY(28px); }
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes scroll-grow {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
  }

  [data-reveal] { opacity: 1; transform: none; }
  .reveal-ready [data-reveal].is-visible { animation: rise-in 720ms cubic-bezier(0.2, 0.75, 0.22, 1) both; }

  @supports (animation-timeline: scroll(root block)) {
    .scroll-progress {
      --progress: 1;
      animation: scroll-grow linear both;
      animation-timeline: scroll(root block);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      scroll-behavior: auto !important;
      animation-duration: 0.001ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.001ms !important;
    }
  }
}

@layer responsive {
  @media (max-width: 1050px) {
    .site-header { grid-template-columns: 1fr auto; }
    .main-nav { display: none; }
    .brand img { width: 170px; }
    .hero,
    .process { grid-template-columns: 1fr; }
    .hero { min-height: auto; }
    .metrics,
    .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .project-grid { grid-template-columns: 1fr; }
  }

  @media (max-width: 700px) {
    .site-header { min-height: 72px; }
    .header-cta { display: none; }
    h1 { font-size: clamp(3.2rem, 15vw, 4.7rem); }
    h2 { font-size: clamp(2.5rem, 12vw, 3.8rem); }
    .hero-actions,
    .site-footer,
    .cta { align-items: stretch; flex-direction: column; }
    .button { width: 100%; }
    .hero-board,
    .metrics,
    .service-grid { grid-template-columns: 1fr; }
    .metrics span + span { border-left: 0; border-top: 1px solid var(--line); }
    .project-card { grid-template-columns: 1fr; }
    .site-mock,
    .commerce-demo { min-height: 300px; }
    .commerce-demo { grid-template-columns: 1fr; }
    .demo-cart { align-self: stretch; }
  }
}