:root {
  --ink: #172024;
  --muted: #5b666b;
  --line: rgba(23, 32, 36, 0.14);
  --paper: #f8f4ea;
  --paper-deep: #ece4d2;
  --navy: #123744;
  --teal: #337a72;
  --clay: #884d39;
  --clay-bright: #b76547;
  --gold: #d59b32;
  --white: #fffdf8;
  --shadow: 0 20px 54px rgba(18, 36, 44, 0.13);
  --display: "Fraunces", Georgia, serif;
  --body: "IBM Plex Sans", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(23, 32, 36, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(23, 32, 36, 0.035) 1px, transparent 1px),
    linear-gradient(135deg, rgba(51, 122, 114, 0.08), transparent 42%),
    linear-gradient(315deg, rgba(183, 101, 71, 0.12), transparent 40%);
  background-size: 80px 80px, 80px 80px, auto, auto;
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(136, 77, 57, 0.085) 1px, transparent 1px),
    linear-gradient(180deg, rgba(136, 77, 57, 0.085) 1px, transparent 1px),
    radial-gradient(
      2px circle at var(--pointer-x, 50%) var(--pointer-y, 18%),
      rgba(213, 155, 50, 0.18),
      transparent 100%
    );
  background-size: 80px 80px, 80px 80px, auto;
  mask-image: radial-gradient(
    360px circle at var(--pointer-x, 50%) var(--pointer-y, 18%),
    rgba(0, 0, 0, 0.7),
    rgba(0, 0, 0, 0.26) 38%,
    transparent 74%
  );
  opacity: var(--pointer-opacity, 0);
  pointer-events: none;
  transition: opacity 520ms ease;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.site-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--ink);
  color: var(--white);
  font-family: var(--display);
  font-size: 1.15rem;
  border-radius: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.nav-links a {
  position: relative;
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links .active {
  border-color: var(--line);
  background: rgba(255, 253, 248, 0.72);
  transform: translateY(-1px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
  gap: 44px;
  align-items: end;
  padding: 48px 0 56px;
}

.hero.is-compact {
  padding-bottom: 28px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--clay-bright);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--display);
  line-height: 0.98;
  letter-spacing: 0;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(4rem, 9vw, 7rem);
  font-weight: 800;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2.6rem, 5vw, 4.4rem);
  font-weight: 800;
}

h3 {
  margin-bottom: 12px;
  font-size: 2rem;
  font-weight: 650;
}

.hero-copy,
.section-head p,
.tool-card p,
.tool-link-card p {
  color: var(--muted);
}

.tool-index,
.tool-grid {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.82);
  box-shadow: var(--shadow);
}

.tool-index a,
.tool-link-card {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.tool-link-card {
  display: grid;
  min-height: 180px;
  align-content: space-between;
  padding: 22px;
}

.tool-index a:hover,
.tool-index a:focus-visible,
.tool-link-card:hover,
.tool-link-card:focus-visible {
  border-color: rgba(18, 55, 68, 0.28);
  background: var(--white);
  transform: translateY(-1px);
}

.tool-index span,
.tool-link-card span {
  color: var(--clay);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tool-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 80px;
}

.tool-link-card h2 {
  margin-bottom: 14px;
  font-size: clamp(2.1rem, 4vw, 3.25rem);
}

.section {
  padding: 42px 0 80px;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(320px, 1fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 28px;
}

.tools-workbench {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1fr);
  gap: 16px;
  align-items: stretch;
}

.tool-card,
.icon-tool,
.ssl-tool {
  position: relative;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 253, 248, 0.78);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.tool-card::before {
  content: "";
  display: block;
  width: 48px;
  height: 4px;
  margin-bottom: 18px;
  background: var(--gold);
}

.tool-note {
  margin-top: 18px;
  font-size: 0.92rem;
}

.tool-note a {
  color: var(--navy);
  font-weight: 800;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--navy);
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.back-link:hover,
.back-link:focus-visible {
  text-decoration: underline;
}

.icon-tool,
.ssl-tool {
  display: grid;
  gap: 16px;
  background:
    linear-gradient(90deg, rgba(23, 32, 36, 0.03) 1px, transparent 1px),
    linear-gradient(180deg, rgba(23, 32, 36, 0.03) 1px, transparent 1px),
    rgba(255, 253, 248, 0.62);
  background-size: 28px 28px, 28px 28px, auto;
}

.upload-panel {
  display: grid;
  place-items: center;
  min-height: 220px;
  padding: 24px;
  border: 1px dashed rgba(18, 55, 68, 0.3);
  border-radius: 6px;
  background: rgba(248, 244, 234, 0.72);
  color: var(--muted);
  cursor: pointer;
  text-align: center;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.upload-panel:hover,
.upload-panel:focus-within {
  border-color: var(--clay);
  background: var(--white);
  transform: translateY(-1px);
}

.upload-panel input {
  inline-size: 1px;
  block-size: 1px;
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.upload-title {
  display: block;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 800;
  line-height: 1;
}

.upload-help {
  display: block;
  max-width: 440px;
  margin-top: 10px;
  font-size: 0.94rem;
}

.live-cert-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: stretch;
}

.live-cert-form input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 253, 248, 0.82);
  color: var(--ink);
  font: 700 0.96rem var(--body);
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.live-cert-form input:focus {
  border-color: var(--clay);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(177, 91, 58, 0.12);
}

.live-cert-form button {
  min-height: 48px;
  padding: 0 16px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  background: var(--ink);
  color: var(--white);
  font: 800 0.78rem var(--body);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.live-cert-form button:hover,
.live-cert-form button:focus-visible {
  background: var(--navy);
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(18, 36, 44, 0.16);
}

.tool-status {
  min-height: 24px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.tool-status.is-error {
  color: #8d2f22;
}

.tool-preview-grid {
  display: grid;
  grid-template-columns: minmax(120px, 180px) 1fr;
  gap: 16px;
  align-items: start;
}

.icon-preview {
  display: grid;
  place-items: center;
  min-height: 180px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background:
    linear-gradient(45deg, rgba(23, 32, 36, 0.06) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(23, 32, 36, 0.06) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(23, 32, 36, 0.06) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(23, 32, 36, 0.06) 75%),
    var(--paper);
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  background-size: 20px 20px;
  overflow: hidden;
}

.icon-preview img {
  max-width: 132px;
  max-height: 132px;
  border-radius: 18px;
  box-shadow: 0 12px 28px rgba(18, 36, 44, 0.12);
}

.spec-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.spec-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 253, 248, 0.78);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.spec-list li::before {
  content: "Pending";
  flex: 0 0 auto;
  min-width: 58px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.spec-list li.is-pass::before {
  content: "Pass";
  color: var(--teal);
}

.spec-list li.is-warn::before {
  content: "Check";
  color: var(--gold);
}

.spec-list li.is-fail::before {
  content: "Fail";
  color: #8d2f22;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.download-grid a {
  display: grid;
  gap: 3px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--ink);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.download-grid a:hover,
.download-grid a:focus-visible {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(18, 36, 44, 0.16);
}

.download-grid small {
  color: rgba(255, 253, 248, 0.68);
  font-weight: 600;
}

.download-grid:empty::before {
  content: "Generated downloads will appear here.";
  grid-column: 1 / -1;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.92rem;
  text-align: center;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.result-grid div {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 253, 248, 0.78);
}

.result-grid dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
  text-transform: uppercase;
}

.result-grid dd {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.result-grid .wide {
  grid-column: 1 / -1;
}

.empty-result {
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  text-align: center;
}

.ssl-live-panel {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 253, 248, 0.78);
}

.ssl-live-panel p {
  margin: 0;
}

.ssl-live-panel a {
  color: var(--navy);
  font-weight: 900;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.ssl-live-panel code {
  display: block;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  font-size: 0.82rem;
  overflow-x: auto;
  white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  body::after {
    display: none;
  }

  .nav-links a,
  .tool-index a,
  .tool-link-card,
  .upload-panel,
  .live-cert-form input,
  .live-cert-form button,
  .download-grid a {
    transition: none;
  }

  .nav-links a:hover,
  .nav-links a:focus-visible,
  .tool-index a:hover,
  .tool-index a:focus-visible,
  .tool-link-card:hover,
  .tool-link-card:focus-visible,
  .upload-panel:hover,
  .upload-panel:focus-within,
  .download-grid a:hover,
  .download-grid a:focus-visible {
    transform: none;
  }
}

@media (max-width: 980px) {
  .hero,
  .section-head,
  .tools-workbench {
    grid-template-columns: 1fr;
  }

  .download-grid,
  .tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .site-shell {
    width: min(100% - 24px, 1180px);
  }

  .site-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand,
  .nav-links {
    width: 100%;
  }

  .nav-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nav-links a {
    text-align: center;
  }

  .hero {
    padding: 24px 0 36px;
  }

  .tool-index a,
  .tool-preview-grid,
  .result-grid,
  .live-cert-form,
  .download-grid,
  .tool-grid {
    grid-template-columns: 1fr;
  }
}