/*
 * Insinööritoimisto Nordensved Oy
 * Sivuston tyylit, versio 3
 *
 * Sisällys
 *   1. Muuttujat
 *   2. Perusasetukset
 *   3. Asettelu
 *   4. Painikkeet ja lomake-elementit
 *   5. Ylätunniste ja valikko
 *   6. Sivun osat
 *   7. Alatunniste (nimiö)
 *   8. Evästeilmoitus, mobiilipalkki, peli-painike
 *   9. Tulostus ja liikkeen vähentäminen
 */

/* 1. Muuttujat ------------------------------------------------------------ */

:root {
  --paper: #eef4f8;
  --surface: #ffffff;
  --ink: #15213a;
  --text: #34405a;
  --muted: #5e6a82;
  --rule: #c7d4e0;
  --rule-strong: #15213a;
  --navy: #3f568f;
  --navy-dark: #2d4070;
  --sky: #4b98c8;
  --error: #b42d2d;
  --ok: #1d6b45;

  --font-head: "Archivo", "Arial Narrow", Arial, sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", Consolas, monospace;

  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 32px);
  --header-h: 104px;
}

/* 2. Perusasetukset ------------------------------------------------------- */

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

html {
  background: var(--paper);
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
}

/* Taustalla hitaasti pyörivä kompassi */
body::before {
  content: "";
  position: fixed;
  z-index: -1;
  right: -14vmin;
  bottom: -16vmin;
  width: min(900px, 85vmin);
  aspect-ratio: 1;
  background: url("../../kuvat/uusi/kompassi-tausta.png") center / contain no-repeat;
  opacity: 0.08;
  pointer-events: none;
  animation: kompassi 60s linear infinite;
}

@keyframes kompassi {
  to {
    transform: rotate(360deg);
  }
}

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

a {
  color: var(--navy);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--navy-dark);
}

h1,
h2,
h3 {
  margin: 0 0 0.5em;
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.15;
  color: var(--ink);
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.1rem, 4.2vw, 3.25rem);
  letter-spacing: -0.015em;
}

h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0 0 1em;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 300;
  padding: 10px 14px;
  background: var(--ink);
  color: #fff;
}

.skip-link:focus {
  left: 8px;
}

.label {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.lead {
  max-width: 62ch;
  font-size: 1.2rem;
  color: var(--text);
}

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

/* 3. Asettelu ------------------------------------------------------------- */

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: 72px;
  border-top: 1px solid var(--rule);
}

/* Kaksipalstainen "selostus": vasemmalla otsikko, oikealla sisältö */
.spec {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2.6fr);
  gap: 24px 56px;
}

.spec__head h2 {
  font-size: 1.5rem;
}

.spec__head .band__title {
  font-size: 1rem;
}

@media (max-width: 860px) {
  .section {
    padding-block: 52px;
  }

  .spec {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* 4. Painikkeet ja lomake-elementit -------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border: 1px solid var(--navy);
  border-radius: 2px;
  background: var(--navy);
  color: #fff;
  font: 600 1rem/1.1 var(--font-body);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover {
  background: var(--navy-dark);
  border-color: var(--navy-dark);
  color: #fff;
}

.btn--secondary {
  background: transparent;
  color: var(--navy);
}

.btn--secondary:hover {
  background: var(--surface);
  color: var(--navy-dark);
}

.btn--small {
  padding: 10px 16px;
  font-size: 0.95rem;
}

.link-arrow {
  font-weight: 600;
  text-decoration: none;
}

.link-arrow::after {
  content: " →";
}

.link-arrow:hover {
  text-decoration: underline;
}

.icon {
  width: 20px;
  height: 20px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* 5. Ylätunniste ja valikko ---------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(238, 244, 248, 0.94);
  border-bottom: 1px solid var(--rule);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: var(--header-h);
}

.site-header__logo img {
  width: auto;
  height: 88px;
}

.site-nav {
  margin-left: auto;
}

.site-nav__list {
  display: flex;
  gap: 28px;
  list-style: none;
}

.site-nav__list a {
  display: block;
  padding-block: 6px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.site-nav__list a:hover {
  border-bottom-color: var(--rule);
}

.site-nav__list a[aria-current="page"] {
  border-bottom-color: var(--navy);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.site-header__phone {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  background: var(--surface);
  color: var(--ink);
  font: 600 0.95rem/1 var(--font-body);
  cursor: pointer;
}

.mobile-nav {
  display: none;
}

@media (max-width: 1100px) {
  .site-header__phone {
    display: none;
  }

  .site-nav__list {
    gap: 20px;
  }
}

@media (max-width: 1020px) {
  :root {
    --header-h: 76px;
  }

  .site-header__logo img {
    height: 60px;
  }

  .site-nav,
  .site-header__actions .btn {
    display: none;
  }

  .site-header__actions {
    margin-left: auto;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .mobile-nav {
    position: fixed;
    inset: var(--header-h) 0 0;
    z-index: 99;
    overflow-y: auto;
    padding: 8px var(--gutter) 120px;
    background: var(--paper);
  }

  .mobile-nav.is-open {
    display: block;
  }

  .mobile-nav ul {
    list-style: none;
    margin-bottom: 24px;
  }

  .mobile-nav li a {
    display: block;
    padding: 16px 0;
    border-bottom: 1px solid var(--rule);
    font-family: var(--font-head);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--ink);
    text-decoration: none;
  }

  .mobile-nav .btn {
    width: 100%;
    justify-content: center;
    margin-bottom: 10px;
  }

  body.nav-open {
    overflow: hidden;
  }
}

.figure {
  margin: 0;
}

.figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.figure figcaption {
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}

/* 6. Sivun osat ----------------------------------------------------------- */

/* Lukurivi */
.facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 48px 0 0;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
}

.facts__item {
  padding: 18px 20px 18px 0;
}

.facts__item + .facts__item {
  padding-left: 20px;
  border-left: 1px solid var(--rule);
}

.facts dt {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.facts dd {
  margin: 4px 0 0;
  font-size: 0.95rem;
  color: var(--muted);
}

@media (max-width: 700px) {
  .facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .facts__item:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .facts__item:nth-child(n + 3) {
    border-top: 1px solid var(--rule);
  }
}

/* Hankkeen vaiheet */
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
  border-top: 1px solid var(--rule-strong);
  counter-reset: vaihe;
}

.step {
  padding: 20px 20px 4px 0;
}

.step + .step {
  padding-left: 20px;
  border-left: 1px solid var(--rule);
}

.step__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--navy);
}

.step h3 {
  font-size: 1.15rem;
}

.step p {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 860px) {
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .step:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .step:nth-child(n + 3) {
    border-top: 1px solid var(--rule);
  }
}

@media (max-width: 520px) {
  .steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .step,
  .step + .step {
    padding-left: 0;
    border-left: 0;
  }

  .step + .step {
    border-top: 1px solid var(--rule);
  }
}

/* Referenssikuvat etusivulla */
.ref-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.ref-strip .figure figcaption strong {
  display: block;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
}

@media (max-width: 760px) {
  .ref-strip {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Yhteystietolista */
.contact-list {
  display: grid;
  margin: 0;
  border-top: 1px solid var(--rule-strong);
}

.contact-list div {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  gap: 16px;
  padding-block: 12px;
  border-bottom: 1px solid var(--rule);
}

.contact-list dt {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  padding-top: 3px;
}

.contact-list dd {
  margin: 0;
  color: var(--ink);
  overflow-wrap: anywhere;
}

@media (max-width: 480px) {
  .contact-list div {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
}

/* Alasivujen otsikko */
.page-head {
  padding-block: 44px 40px;
}

.breadcrumb {
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
}

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

.breadcrumb span[aria-hidden] {
  margin-inline: 6px;
}

.page-head__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 20px;
  list-style: none;
}

.page-head__links a {
  font-weight: 600;
}

/* Palvelut-sivu */
.service {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 32px 48px;
  align-items: start;
}

.service__list {
  margin: 0 0 24px;
  padding-left: 1.1em;
}

.service__list li {
  margin-bottom: 4px;
}

.service__list li::marker {
  color: var(--navy);
}

@media (max-width: 860px) {
  .service {
    grid-template-columns: minmax(0, 1fr);
  }
}

.ref-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px 40px;
}

.reference[hidden] {
  display: none;
}

.reference h2 {
  margin-top: 16px;
  font-size: 1.35rem;
}

.reference__spec {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 4px 16px;
  margin: 0 0 14px;
  font-size: 0.95rem;
}

.reference__spec dt {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  padding-top: 3px;
}

.reference__spec dd {
  margin: 0;
  color: var(--ink);
}

@media (max-width: 760px) {
  .ref-list {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Yhteystiedot-sivu ja lomake */
.contact-page {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: 48px;
  align-items: start;
}

.plain-list {
  margin: 24px 0 0;
  padding-left: 1.1em;
}

.plain-list li {
  margin-bottom: 4px;
}

.form {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--rule);
}

.form h2 {
  font-size: 1.5rem;
}

.form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.field--full {
  grid-column: 1 / -1;
}

.form label,
.form legend {
  display: block;
  margin-bottom: 6px;
  padding: 0;
  font-weight: 600;
  color: var(--ink);
}

.form fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.form input[type="text"],
.form input[type="email"],
.form input[type="tel"],
.form textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #a9b8c8;
  border-radius: 2px;
  background: #fff;
  color: var(--ink);
  font: 400 1rem/1.4 var(--font-body);
}

.form input:focus,
.form textarea:focus {
  outline: 2px solid var(--sky);
  outline-offset: 0;
  border-color: var(--sky);
}

.form textarea {
  min-height: 140px;
  resize: vertical;
}

.radio-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 16px;
}

.radio-list label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-weight: 400;
  cursor: pointer;
}

.radio-list input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--navy);
}

.is-invalid {
  border-color: var(--error) !important;
}

.field-error {
  margin: 6px 0 0;
  font-size: 0.9rem;
  color: var(--error);
}

.form__note {
  margin: 18px 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.notice {
  margin-bottom: 24px;
  padding: 14px 16px;
  border-left: 3px solid currentColor;
  background: var(--paper);
  font-weight: 600;
}

.notice--ok {
  color: var(--ok);
}

.notice--error {
  color: var(--error);
}

@media (max-width: 860px) {
  .contact-page {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 560px) {
  .form {
    padding: 22px 16px;
  }

  .form__grid,
  .radio-list {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Tietosuoja */
.prose {
  max-width: 72ch;
}

.prose h2 {
  margin-top: 1.6em;
  font-size: 1.35rem;
}

.table-wrap {
  overflow-x: auto;
  margin-bottom: 1.2em;
  background: var(--surface);
  border: 1px solid var(--rule);
}

.cookie-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.cookie-table th,
.cookie-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.cookie-table th {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--muted);
}

/* 7. Alatunniste ---------------------------------------------------------- */

.site-footer {
  padding-block: 0 28px;
  border-top: 1px solid var(--rule-strong);
  background: rgba(255, 255, 255, 0.55);
}

.site-footer__contact {
  padding-block: 32px 24px;
  row-gap: 12px;
}

.site-footer__contact .spec__head p {
  margin-block: 0.4em 0.6em;
}

.site-footer .contact-list div {
  padding-block: 6px;
}

.site-footer__contact .spec__head p {
  max-width: 34ch;
  color: var(--muted);
}

.site-footer__contact .btn {
  margin-top: 8px;
}

.contact-list--large dd {
  font-size: 1.1rem;
}

.footer-meta {
  padding-top: 14px;
}

.site-footer__contact + .wrap .footer-meta {
  border-top: 1px solid var(--rule);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  margin-top: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.footer-meta nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.footer-meta a,
.link-button {
  color: var(--muted);
}

.link-button {
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

/* 8. Evästeilmoitus ja peli-painike --------------------------------------- */

.cookie-bar {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 640px;
  margin: 0 auto;
  padding: 12px 12px 12px 18px;
  background: var(--surface);
  border: 1px solid var(--rule-strong);
  box-shadow: 0 6px 18px rgba(21, 33, 58, 0.15);
}

.cookie-bar[hidden] {
  display: none;
}

.cookie-bar p {
  margin: 0;
  font-size: 0.95rem;
}

.cookie-bar__actions {
  display: flex;
  gap: 8px;
  flex: none;
}

@media (max-width: 760px) {
  .cookie-bar {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .cookie-bar__actions .btn {
    flex: 1;
    justify-content: center;
  }
}

.game-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 12px;
  border: 1px dashed var(--muted);
  border-radius: 2px;
  background: transparent;
  color: var(--ink);
  font: 600 0.9rem/1 var(--font-body);
  cursor: pointer;
  white-space: nowrap;
}

.game-btn:hover {
  border-style: solid;
  border-color: var(--navy);
  color: var(--navy);
}

.game-btn:disabled {
  opacity: 0.6;
  cursor: progress;
}

@media (max-width: 1140px), (pointer: coarse) {
  .game-btn {
    display: none;
  }
}

/* 9. Tulostus ja liikkeen vähentäminen ----------------------------------- */

@media (prefers-reduced-motion: reduce) {
  body::before {
    animation: none;
  }
}

@media print {
  body::before,
  .site-header__actions,
  .site-nav,
  .cookie-bar {
    display: none;
  }
}

/* 10. Välilehtirakenne (versio 4) ---------------------------------------- */

/* Ylävalikon välilehdet ja Palvelut-alavalikko */
.site-nav--tabs .site-nav__list {
  gap: 4px;
}

.site-nav--tabs .site-nav__list > li {
  position: relative;
  display: flex;
  align-items: center;
}

.site-nav--tabs .site-nav__list > li > a {
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom-width: 2px;
}

.sub-toggle {
  display: inline-flex;
  margin-left: -8px;
  padding: 6px 4px;
  border: 0;
  background: none;
  color: var(--ink);
  cursor: pointer;
}

.icon--small {
  width: 16px;
  height: 16px;
}

.sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 120;
  display: none;
  min-width: 290px;
  padding: 6px 0;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--rule-strong);
  box-shadow: 0 8px 20px rgba(21, 33, 58, 0.12);
}

.has-sub:hover .sub-menu,
.has-sub:focus-within .sub-menu,
.has-sub.is-open .sub-menu {
  display: block;
}

.sub-menu a {
  display: block;
  padding: 9px 16px;
  color: var(--ink);
  text-decoration: none;
}

.sub-menu a:hover {
  background: var(--paper);
  color: var(--navy);
}

.site-header__actions .btn[aria-current="page"] {
  background: var(--navy-dark);
}

/* Kuvakaista sivujen yläosassa */
.banner {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 300px;
  overflow: hidden;
  background: var(--ink);
  color: #fff;
}

.banner--home {
  min-height: min(68vh, 620px);
  align-items: center;
}

.banner__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.banner__content {
  position: relative;
  width: 100%;
  padding-block: 48px 40px;
}

.banner h1 {
  max-width: 22ch;
  color: #fff;
}

.banner--home h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.6rem);
}

.banner__tagline {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.45);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.banner__lead {
  max-width: 62ch;
  margin: 0;
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.9);
}

.breadcrumb--light,
.breadcrumb--light a {
  color: rgba(255, 255, 255, 0.85);
}

/* Osiokaistat */
.band {
  padding-block: 72px;
}

.band + .band:not(.band--tint) {
  border-top: 1px solid var(--rule);
}

.band--tint {
  background: rgba(255, 255, 255, 0.55);
}

/* Etusivun palveluluettelo */
.service-index {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule-strong);
}

.service-index li {
  border-bottom: 1px solid var(--rule);
}

.service-index a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 16px;
  padding: 22px 4px;
  color: var(--text);
  text-decoration: none;
}

.service-index__title {
  display: block;
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
}

.service-index__text {
  display: block;
  margin-top: 4px;
}

.service-index .icon {
  margin-top: 4px;
  color: var(--navy);
  transition: transform 0.15s ease;
}

.service-index a:hover .service-index__title {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.service-index a:hover .icon {
  transform: translateX(4px);
}

@media (max-width: 480px) {
  .service-index a {
    gap: 10px;
  }
}

/* Toimintaperiaatteet (Yritys-sivu) */
.principle-table {
  margin: 0;
  border-top: 1px solid var(--rule-strong);
}

.principle-table div {
  display: grid;
  grid-template-columns: minmax(0, 14rem) minmax(0, 1fr);
  gap: 8px 32px;
  padding-block: 20px;
  border-bottom: 1px solid var(--rule);
}

.principle-table dt {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
}

.principle-table dd {
  margin: 0;
}

@media (max-width: 640px) {
  .principle-table div {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
}

.band__title {
  margin-bottom: 36px;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-align: center;
  text-transform: uppercase;
}

.band__title::after {
  content: "";
  display: block;
  width: 64px;
  height: 2px;
  margin: 14px auto 0;
  background: currentColor;
}

.band__title--left {
  text-align: left;
}

.band__title--left::after {
  margin-left: 0;
}

.band__intro {
  max-width: 62ch;
  margin: -12px auto 36px;
  text-align: center;
  color: var(--muted);
}

.band__actions {
  margin: 32px 0 0;
  text-align: center;
}

.narrow {
  max-width: 820px;
}

.lead--center {
  margin-inline: auto;
  text-align: center;
  color: var(--ink);
}

.facts--center {
  margin-top: 40px;
}

/* Referenssikaruselli */
.carousel {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.carousel__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 48px) / 3);
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  list-style: none;
  scrollbar-width: none;
}

.carousel__track::-webkit-scrollbar {
  display: none;
}

.carousel__slide {
  scroll-snap-align: start;
}

.carousel__slide figcaption strong {
  display: block;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
}

.carousel__btn {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

.carousel__btn:hover {
  background: var(--ink);
  color: #fff;
}

.carousel__btn:disabled {
  opacity: 0.35;
  cursor: default;
  background: var(--surface);
  color: var(--ink);
}

@media (max-width: 900px) {
  .carousel__track {
    grid-auto-columns: calc((100% - 24px) / 2);
  }
}

@media (max-width: 560px) {
  .carousel {
    grid-template-columns: minmax(0, 1fr);
  }

  .carousel__btn {
    display: none;
  }

  .carousel__track {
    grid-auto-columns: 85%;
    gap: 16px;
  }
}

@media (max-width: 1200px) {
  .site-nav--tabs .site-nav__list > li > a {
    padding-inline: 8px;
    font-size: 0.8rem;
  }
}

.service .btn {
  white-space: normal;
  line-height: 1.3;
}

/* Referenssikuvien zoomaus hiiren ollessa kuvan päällä */
.zoom {
  display: block;
  overflow: hidden;
}

.zoom img {
  display: block;
  transition: transform 0.5s ease;
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .figure:hover .zoom img {
    transform: scale(1.07);
  }
}

/* Ylävalikon ja Tarjouspyyntö-napin zoomaus hiiren ollessa päällä */
.site-nav--tabs .site-nav__list > li > a,
.site-header__actions .btn {
  transition: transform 0.25s ease, color 0.25s ease, background-color 0.25s ease;
}

.site-nav--tabs .site-nav__list > li > a {
  transform-origin: center bottom;
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .site-nav--tabs .site-nav__list > li > a:hover {
    transform: scale(1.15);
    color: var(--navy);
  }

  .site-header__actions .btn:hover {
    transform: scale(1.08);
  }
}