/* ==========================================================================
   JNBA Control – website styles
   Brand colors from JNBA Brand Guide 2025: Blue #294561 / White / Black
   ========================================================================== */

:root {
  --jnba-blue: #294561;
  --jnba-blue-dark: #1c2f42;
  --jnba-blue-light: #3f6089;
  --jnba-blue-tint: #eef2f6;
  --jnba-blue-tint-2: #e2e9f0;
  --white: #ffffff;
  --black: #000000;
  --gray-nav: #8b93a0;
  --gray-text: #4a5261;
  --gray-border: #e4e7ec;

  --font-head: "Jost", "Century Gothic", "Poppins", sans-serif;
  --font-body: "Inter", "Halogen", "Helvetica Neue", Arial, sans-serif;

  --max-width: 1180px;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(41, 69, 97, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

/* ---------- Scroll-in reveal (see assets/js/reveal.js) ----------
   .reveal-ready is added by an inline script in <head> (only when the
   visitor hasn't asked for reduced motion), so these start hidden from the
   very first paint instead of flashing before the script runs. */
.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.65, 0.2, 1);
}
.reveal-ready [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}
@media (max-width: 700px) {
  .reveal-ready [data-reveal] { transform: translateY(20px); }
  .reveal-ready [data-reveal].is-revealed { transform: none; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--gray-text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--jnba-blue);
  line-height: 1.15;
  margin: 0 0 0.6em;
  font-weight: 500;
}

h1 { font-size: clamp(2.1rem, 4vw, 3.2rem); font-weight: 600; }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.2rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; letter-spacing: 0.02em; }

p { margin: 0 0 1em; }
button { font-family: inherit; } /* browsers don't pass the page font into buttons by default */

a { color: var(--jnba-blue); text-decoration: none; }

ul { margin: 0; padding: 0; list-style: none; }

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: block;
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--jnba-blue-light);
  font-weight: 600;
  margin-bottom: 0.9em;
}

.section {
  padding: 72px 0;
}

.section--tint {
  background: var(--jnba-blue-tint);
}

.section-intro {
  max-width: 720px;
  margin: 0 0 40px;
}

.section-intro.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 14px 28px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
}

.btn-primary {
  background: var(--jnba-blue);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--jnba-blue-dark);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border-color: var(--jnba-blue);
  color: var(--jnba-blue);
}
.btn-outline:hover {
  background: var(--jnba-blue);
  color: var(--white);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand img {
  height: 58px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}

.main-nav a {
  font-family: var(--font-head);
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--gray-nav);
  padding: 10px 16px;
  border-radius: 999px;
  transition: color 0.15s ease, background 0.15s ease;
}

.main-nav a:hover {
  color: var(--jnba-blue);
  background: var(--jnba-blue-tint);
}

.main-nav a.active {
  color: var(--jnba-blue);
  font-weight: 600;
}

.header-cta {
  flex-shrink: 0;
}

.header-cta-mobile {
  display: none;
}

.header-cta .btn-primary {
  padding: 12px 24px;
}

.nav-toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.nav-toggle span {
  position: absolute;
  left: 8px;
  width: 24px;
  height: 2px;
  background: var(--jnba-blue);
  transition: transform 0.3s ease, opacity 0.2s ease, top 0.3s ease;
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 19px; }
.nav-toggle span:nth-child(3) { top: 24px; }

.nav-toggle.active span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */

.hero {
  padding: 88px 0 76px;
  background: var(--white);
}

.hero .container {
  max-width: 860px;
  text-align: center;
}

.hero-tagline {
  font-size: 1.25rem;
  color: var(--jnba-blue-light);
  font-family: var(--font-head);
  margin-bottom: 0.7em;
}

.hero-logo {
  margin: 28px 0 34px;
  line-height: 0;
}
.hero-logo img {
  width: clamp(220px, 34vw, 340px);
  height: auto;
  display: inline-block;
}

.hero-services {
  font-size: 0.95rem;
  color: var(--gray-nav);
  letter-spacing: 0.03em;
  margin-bottom: 1.6em;
}

.hero p.lead {
  font-size: 1.08rem;
  color: var(--gray-text);
  max-width: 700px;
  margin: 0 auto 2em;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Page header (non-home pages) ---------- */

.page-hero {
  padding: 64px 0 56px;
  background: var(--white);
  text-align: center;
}

.page-hero .container { max-width: 760px; }

.page-hero p { font-size: 1.05rem; }

/* ---------- Feature / value grids ---------- */

.grid {
  display: grid;
  gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius);
  padding: 30px;
}

.card--tint {
  background: var(--jnba-blue-tint);
  border-color: var(--jnba-blue-tint-2);
}

.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-border);
  font-size: 1rem;
}
.check-list li:last-child { border-bottom: none; }

.check-list .icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--jnba-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.check-list .icon svg { width: 12px; height: 12px; }

.check-list--detailed li { padding: 16px 0; }
.check-list--detailed div { display: flex; flex-direction: column; gap: 4px; }
.check-list--detailed strong {
  font-family: var(--font-head);
  color: var(--jnba-blue);
  font-size: 1rem;
  font-weight: 600;
}
.check-list--detailed span { font-size: 0.9rem; color: var(--gray-text); }

.value-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}
.value-grid .value-card {
  flex: 1 1 300px;
  max-width: 340px;
}

.value-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
}

.value-card .num {
  font-family: var(--font-head);
  font-size: 0.85rem;
  color: var(--white);
  background: var(--jnba-blue);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.value-card p { font-size: 0.95rem; margin: 0; }

/* ---------- Bullet list (simple, service items) ---------- */

.bullet-list li {
  position: relative;
  padding: 8px 0 8px 26px;
  font-size: 0.98rem;
}
.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 8px;
  height: 8px;
  background: var(--jnba-blue-light);
  border-radius: 50%;
}

.two-col-list {
  columns: 2;
  column-gap: 32px;
}
.two-col-list li { break-inside: avoid; }

/* ---------- Service blocks (Palvelut page) ---------- */

.service-block {
  padding: 64px 0;
  border-bottom: 1px solid var(--gray-border);
}
.service-block:last-of-type { border-bottom: none; }

.service-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 18px;
}

.service-index {
  font-family: var(--font-head);
  font-size: 0.85rem;
  color: var(--jnba-blue-light);
  letter-spacing: 0.1em;
}

.service-lead {
  max-width: 760px;
  font-size: 1.05rem;
  margin-bottom: 34px;
}

.sub-feature {
  padding: 22px 24px;
  background: var(--jnba-blue-tint);
  border-radius: var(--radius);
}
.sub-feature h4 { margin-bottom: 8px; }
.sub-feature p { font-size: 0.93rem; margin: 0; }

/* ---------- Process steps (Palvelut page) ---------- */

.process-title {
  font-size: 1.45rem;
  margin-bottom: 28px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: start;
  margin-bottom: 40px;
}

.process-step-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.process-step-head h4 {
  font-size: 1.1rem;
  margin: 0;
}

.step-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--jnba-blue);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.promise-box {
  margin-top: 32px;
  padding: 24px 28px;
  border-left: 4px solid var(--jnba-blue);
  background: var(--jnba-blue-tint);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.98rem;
}
.promise-box strong { color: var(--jnba-blue); font-family: var(--font-head); }

/* ---------- Accordion (Koulutuspalvelut audiences) ---------- */

.accordion-item {
  border: 1px solid var(--gray-border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
}

.accordion-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 24px;
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--jnba-blue);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 1.02rem;
}
.accordion-item summary::-webkit-details-marker { display: none; }

.accordion-item summary .plus {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1.5px solid var(--jnba-blue);
  position: relative;
  transition: transform 0.2s ease;
}
.accordion-item summary .plus::before,
.accordion-item summary .plus::after {
  content: "";
  position: absolute;
  background: var(--jnba-blue);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.accordion-item summary .plus::before { width: 12px; height: 1.5px; }
.accordion-item summary .plus::after { width: 1.5px; height: 12px; }

.accordion-item[open] summary .plus::after { transform: translate(-50%, -50%) scaleY(0); }
.accordion-item[open] summary { border-bottom: 1px solid var(--gray-border); }

.accordion-body {
  padding: 6px 24px 24px;
}
.accordion-body p.note { font-size: 0.92rem; color: var(--gray-nav); margin-bottom: 14px; }

/* ---------- About page ---------- */

.about-columns {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 56px;
  align-items: start;
}

.stats-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-nav);
  margin-bottom: 16px;
}

.stat-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.stat-list .stat { text-align: left; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 40px 0;
}
.stat {
  text-align: center;
  padding: 22px 12px;
  border: 1px solid var(--gray-border);
  border-radius: var(--radius);
}
.stat .stat-num {
  font-family: var(--font-head);
  font-size: 1.8rem;
  color: var(--jnba-blue);
  font-weight: 600;
}
.stat .stat-label { font-size: 0.85rem; color: var(--gray-nav); }

/* ---------- Referenssit ---------- */

.ref-card {
  border: 1px dashed var(--jnba-blue-light);
  border-radius: var(--radius);
  padding: 26px;
  background: var(--jnba-blue-tint);
}
.ref-card .ref-tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--jnba-blue-light);
  border: 1px solid var(--jnba-blue-light);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 14px;
}
.ref-card h3 { margin-bottom: 6px; }
.ref-card p { font-size: 0.93rem; margin: 0; }

.notice-box {
  margin-top: 44px;
  padding: 22px 26px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--gray-border);
  font-size: 0.92rem;
  color: var(--gray-nav);
}

/* Referenssit — totals strip */
.ref-totals {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.ref-totals .stat { padding: 26px 12px; }
.ref-totals .stat-num { font-size: 2rem; }

/* Referenssit — category layout: stats sidebar + photo grid */
.ref-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 36px;
  align-items: start;
}

.ref-stats-card {
  border: 1px solid var(--jnba-blue-tint-2);
  border-radius: var(--radius);
  padding: 26px;
  background: var(--jnba-blue-tint);
  position: sticky;
  top: 104px;
}
.ref-stats-card .stat-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--jnba-blue-tint-2);
  font-size: 0.88rem;
}
.ref-stats-card .stat-line:last-child { border-bottom: none; }
.ref-stats-card .stat-line span:first-child { color: var(--gray-text); }
.ref-stats-card .stat-line strong {
  font-family: var(--font-head);
  color: var(--jnba-blue);
  white-space: nowrap;
}

.ref-photo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.ref-photo-grid--triple { grid-template-columns: repeat(3, 1fr); }
.ref-photo {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--jnba-blue-tint);
}
.ref-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}
.ref-photo:hover img { transform: scale(1.08); }
.ref-photo .ref-photo-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 10px 14px;
  background: linear-gradient(180deg, transparent, rgba(20, 32, 46, 0.82));
  color: var(--white);
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
}

@media (max-width: 900px) {
  .ref-layout { grid-template-columns: 1fr; }
  .ref-stats-card { position: static; }
  .ref-totals { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .ref-photo-grid--triple { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .ref-photo-grid { grid-template-columns: 1fr; }
}

/* ---------- Contact page ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 8px;
}

.contact-card {
  border: 1px solid var(--gray-border);
  border-radius: var(--radius);
  padding: 34px;
  background: var(--white);
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-border);
}
.contact-row:last-child { border-bottom: none; }

.contact-row .icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--jnba-blue-tint);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-row .icon svg { width: 18px; height: 18px; stroke: var(--jnba-blue); }

.contact-row .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-nav);
  margin-bottom: 2px;
}
.contact-row .value {
  font-weight: 600;
  color: var(--jnba-blue);
}

.contact-panel {
  background: var(--jnba-blue);
  color: var(--white);
  border-radius: var(--radius);
  padding: 34px;
}
.contact-panel h3 { color: var(--white); }
.contact-panel p { color: rgba(255,255,255,0.82); }
.contact-panel .btn-outline {
  border-color: var(--white);
  color: var(--white);
}
.contact-panel .btn-outline:hover {
  background: var(--white);
  color: var(--jnba-blue);
}

/* ---------- CTA banner ---------- */

.cta-banner {
  background: var(--jnba-blue);
  color: var(--white);
  border-radius: var(--radius);
  padding: 32px 40px;
  text-align: center;
}
.cta-banner h2 { color: var(--white); margin-bottom: 0.4em; }
.cta-banner p { color: rgba(255,255,255,0.85); max-width: 600px; margin: 0 auto 1.2em; }
.cta-banner .btn-primary { background: var(--white); color: var(--jnba-blue); }
.cta-banner .btn-primary:hover { background: var(--jnba-blue-tint); }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--jnba-blue-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 56px 0 28px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand img { height: 56px; width: auto; margin-bottom: 14px; }
.footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.65); }

.site-footer h4 { color: var(--white); font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 14px; }

.site-footer a { color: rgba(255,255,255,0.75); }
.site-footer a:hover { color: var(--white); }

.footer-links li { margin-bottom: 10px; font-size: 0.95rem; }

.footer-bottom {
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .about-columns { grid-template-columns: 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 960px) {
  .main-nav {
    position: fixed;
    top: 84px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 24px;
    border-bottom: 1px solid var(--gray-border);
    box-shadow: var(--shadow);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav a {
    padding: 14px 10px;
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity 0.25s ease, transform 0.25s ease, color 0.15s ease, background 0.15s ease;
  }
  .main-nav.open a {
    opacity: 1;
    transform: translateY(0);
  }
  .main-nav.open a:nth-child(1) { transition-delay: 0.05s; }
  .main-nav.open a:nth-child(2) { transition-delay: 0.1s; }
  .main-nav.open a:nth-child(3) { transition-delay: 0.15s; }
  .main-nav.open a:nth-child(4) { transition-delay: 0.2s; }
  .main-nav.open a:nth-child(5) { transition-delay: 0.25s; }
  .nav-toggle { display: block; }
  .header-cta { display: none; }
  .main-nav .header-cta-mobile { display: block; margin-top: 10px; text-align: center; }
  .main-nav a.btn-primary,
  .main-nav a.btn-primary:hover { color: var(--white); }
  .main-nav a.btn-primary:hover { background: var(--jnba-blue-dark); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .two-col-list { columns: 1; }
  .stat-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .brand img { height: 50px; }
  .section { padding: 52px 0; }
}