/* IrisTecq Tools — main stylesheet */
:root {
  --ink: #12212b;
  --ink-soft: #4a5d6a;
  --paper: #f3f6f4;
  --surface: #ffffff;
  --line: rgba(18, 33, 43, 0.12);
  --teal: #0f766e;
  --teal-deep: #0b5a54;
  --amber: #c9782a;
  --mist: #d7ebe7;
  --shadow: 0 18px 40px rgba(18, 33, 43, 0.08);
  --radius: 1rem;
  --font-sans: "Figtree", system-ui, sans-serif;
  --font-display: "Fraunces", Georgia, serif;
  --max: 1100px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 0% 0%, rgba(15, 118, 110, 0.14), transparent 55%),
    radial-gradient(ellipse 60% 45% at 100% 10%, rgba(201, 120, 42, 0.1), transparent 50%),
    linear-gradient(180deg, #eef4f2 0%, var(--paper) 40%, #e8eeeb 100%);
  line-height: 1.55;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--teal-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(243, 246, 244, 0.85);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
}

.logo-mark {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 0.55rem;
  background: linear-gradient(145deg, var(--teal), var(--teal-deep));
  color: #fff;
  font-size: 0.85rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
}

.logo-text span {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.nav {
  display: flex;
  gap: 1.1rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.nav a {
  text-decoration: none;
  color: var(--ink-soft);
}

.nav a:hover,
.nav a.is-active {
  color: var(--ink);
}

/* Hero */
.hero {
  padding: 3.5rem 0 2.5rem;
  animation: rise 0.7s ease-out both;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 7vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 0.75rem;
}

.hero-brand span {
  display: block;
  color: var(--teal-deep);
}

.hero-lead {
  max-width: 36rem;
  font-size: 1.1rem;
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.7rem 1.25rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--teal);
  color: #fff;
}

.btn-primary:hover {
  background: var(--teal-deep);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn-secondary:hover {
  border-color: var(--teal);
  color: var(--teal-deep);
}

.btn-ghost {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
}

/* Sections */
.section {
  padding: 2.5rem 0 3.5rem;
}

.section-head {
  margin-bottom: 1.5rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0 0 0.4rem;
}

.section-head p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 40rem;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.tool-card {
  display: block;
  padding: 1.25rem 1.2rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  transition: border-color 0.15s ease, transform 0.15s ease;
  animation: rise 0.6s ease-out both;
}

.tool-card:nth-child(2) { animation-delay: 0.05s; }
.tool-card:nth-child(3) { animation-delay: 0.1s; }
.tool-card:nth-child(4) { animation-delay: 0.15s; }
.tool-card:nth-child(5) { animation-delay: 0.2s; }

.tool-card:hover {
  border-color: rgba(15, 118, 110, 0.45);
  transform: translateY(-2px);
  color: inherit;
}

.tool-card .cat {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.45rem;
}

.tool-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 0.4rem;
}

.tool-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.trust-item {
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--teal);
  background: rgba(255, 255, 255, 0.45);
}

.trust-item strong {
  display: block;
  margin-bottom: 0.25rem;
}

.trust-item span {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* Tool page layout */
.tool-page {
  padding: 2rem 0 3rem;
}

.tool-page-head {
  margin-bottom: 1.5rem;
  animation: rise 0.55s ease-out both;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 0.75rem;
}

.breadcrumb a {
  color: var(--ink-soft);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--teal);
}

.tool-page-head h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.tool-page-head .lede {
  margin: 0;
  max-width: 42rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.tool-workspace {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  animation: rise 0.6s ease-out 0.08s both;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.panel h2,
.seo-block h2,
.faq h2,
.related h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 0 0 0.85rem;
}

.form-grid {
  display: grid;
  gap: 0.85rem;
}

.form-row {
  display: grid;
  gap: 0.85rem;
}

@media (min-width: 700px) {
  .form-row.cols-2 {
    grid-template-columns: 1fr 1fr;
  }
  .form-row.cols-3 {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .tool-workspace.split {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
}

input,
textarea,
select {
  width: 100%;
  font: inherit;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: #fbfcfc;
  color: var(--ink);
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid rgba(15, 118, 110, 0.35);
  border-color: var(--teal);
}

textarea {
  min-height: 180px;
  resize: vertical;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.table-wrap {
  overflow-x: auto;
}

table.lines {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

table.lines th,
table.lines td {
  border-bottom: 1px solid var(--line);
  padding: 0.5rem 0.35rem;
  text-align: left;
  vertical-align: middle;
}

table.lines input {
  min-width: 0;
  padding: 0.45rem 0.5rem;
}

.preview-frame {
  background: #f7faf9;
  border: 1px dashed rgba(15, 118, 110, 0.35);
  border-radius: 0.75rem;
  padding: 1.25rem;
  min-height: 220px;
}

.doc-preview {
  background: #fff;
  border: 1px solid var(--line);
  padding: 1.25rem;
  font-size: 0.92rem;
}

.doc-preview h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
}

.doc-preview .muted {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.inv-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.inv-id {
  text-align: right;
  flex: 0 0 auto;
}

.inv-id p,
.inv-bill p,
.inv-notes {
  margin: 0;
}

.inv-kicker {
  font-family: var(--font-display);
  font-size: 1.45rem;
  line-height: 1;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 0.35rem;
}

.inv-bill {
  margin-bottom: 1.25rem;
}

.inv-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.2rem;
}

.inv-address {
  white-space: pre-line;
}

.doc-preview table.inv-lines th:nth-child(n + 2),
.doc-preview table.inv-lines td:nth-child(n + 2) {
  text-align: right;
}

.inv-totals {
  width: 220px;
  max-width: 100%;
  margin: 0.85rem 0 0 auto;
}

.inv-totals div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.15rem 0;
}

.inv-total {
  border-top: 2px solid var(--ink);
  margin-top: 0.35rem;
  padding-top: 0.4rem;
  font-weight: 700;
}

.inv-notes {
  margin-top: 1.5rem;
}

.a4-capture {
  position: absolute;
  left: -10000px;
  top: 0;
  width: 180mm;
  margin: 0;
  padding: 0;
  background: #fff;
  color: var(--ink);
  pointer-events: none;
}

.a4-capture .doc-preview {
  border: 0;
  box-shadow: none;
  border-radius: 0;
  padding: 0;
  margin: 0;
  width: auto;
  background: #fff;
  font-size: 11pt;
}

.a4-capture .doc-preview h3 {
  font-size: 18pt;
}

.a4-capture .inv-kicker {
  font-size: 20pt;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.75rem;
}

.stat {
  background: var(--mist);
  border-radius: 0.75rem;
  padding: 0.9rem;
  text-align: center;
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.1;
}

.stat span {
  font-size: 0.8rem;
  color: var(--ink-soft);
  font-weight: 600;
}

.qr-out {
  display: grid;
  place-items: center;
  gap: 1rem;
  min-height: 260px;
  padding: 1rem;
  border-radius: 0.75rem;
  background-color: #ffffff;
  transition: background-color 0.15s ease;
}

.qr-out.is-transparent {
  background-color: #e8eeeb;
  background-image:
    linear-gradient(45deg, #d5dde2 25%, transparent 25%),
    linear-gradient(-45deg, #d5dde2 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #d5dde2 75%),
    linear-gradient(-45deg, transparent 75%, #d5dde2 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}

.qr-out:not(.is-transparent) {
  background-image: none;
}

.qr-out canvas,
.qr-out img,
#qr-mount img,
#qr-mount canvas {
  max-width: 100%;
  height: auto;
  border-radius: 0;
  image-rendering: pixelated;
}

#qr-mount {
  display: grid;
  place-items: center;
  min-height: 160px;
  padding: 8%;
  box-sizing: content-box;
}

.qr-type-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.qr-type-tab {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.75);
  color: var(--ink-soft);
  font: inherit;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  cursor: pointer;
}

.qr-type-tab:hover {
  border-color: rgba(15, 118, 110, 0.45);
  color: var(--ink);
}

.qr-type-tab.is-active {
  background: var(--teal);
  border-color: var(--teal-deep);
  color: #fff;
}

.qr-pane[hidden] {
  display: none !important;
}

.qr-check {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 0.55rem;
  font-weight: 600;
  cursor: pointer;
}

.qr-check input {
  width: auto;
  margin: 0;
}

input[type="color"] {
  padding: 0.2rem;
  height: 2.5rem;
  cursor: pointer;
}

.muted {
  color: var(--ink-soft);
  font-size: 0.9rem;
  margin: 0.35rem 0 0;
}

.seo-block,
.faq,
.related {
  margin-top: 2rem;
  animation: rise 0.55s ease-out both;
}

.seo-block p,
.prose p {
  color: var(--ink-soft);
}

.seo-block ul,
.prose ul {
  color: var(--ink-soft);
  padding-left: 1.2rem;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.7);
  padding: 0.85rem 1rem;
  margin-bottom: 0.65rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.faq details p {
  margin: 0.65rem 0 0;
  color: var(--ink-soft);
}

.related-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.chip {
  display: inline-flex;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.9rem;
}

.chip:hover {
  border-color: var(--teal);
  color: var(--teal-deep);
}

/* Static pages */
.prose-page {
  padding: 2.5rem 0 3.5rem;
}

.prose {
  max-width: 42rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow);
}

.prose h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin: 0 0 1rem;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 1.5rem 0 0.5rem;
}

.contact-form {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.note {
  font-size: 0.9rem;
  color: var(--ink-soft);
  background: var(--mist);
  padding: 0.75rem 0.9rem;
  border-radius: 0.65rem;
}

/* Footer */
.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  background: rgba(18, 33, 43, 0.96);
  color: #d5dee4;
  padding: 2.5rem 0 1.25rem;
}

.footer-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 800px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
  .trust-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0 0 0.35rem;
  color: #fff;
}

.footer-tag,
.privacy-note {
  margin: 0 0 0.75rem;
  color: #a8b6c0;
  font-size: 0.92rem;
}

.footer-heading {
  margin: 0 0 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8ea0ad;
  font-weight: 700;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.4rem;
}

.footer-links a {
  color: #e4ebf0;
  text-decoration: none;
}

.footer-links a:hover {
  color: #f0c27a;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: #8ea0ad;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 699px) {
  .trust-strip {
    grid-template-columns: 1fr;
  }
  .nav {
    gap: 0.75rem;
    font-size: 0.88rem;
  }
}