:root {
  --bg: #f9fafb;          /* tausta (vaalea harmaa) */
  --bg-alt: #ffffff;      /* kortit / vuorottelevat osiot */
  --primary: #111111;     /* melkein musta – pääteksti ja otsikot */
  --accent: #facc15;      /* keltainen aksentti (esim. pyöräkuormaajan keltainen) */
  --accent-dark: #ca8a04; /* tummempi keltainen hoveria varten */
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --radius-lg: 16px;
  --radius-sm: 10px;
  --shadow-soft: 0 8px 25px rgba(15, 23, 42, 0.08);
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  scroll-behavior: smooth;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & nav */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(249, 250, 251, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.25rem;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 0.95rem;
  text-transform: uppercase;
  color: var(--primary);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  padding: 0;
  margin: 0;
  font-size: 0.9rem;
}

nav a {
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  color: var(--muted);
  transition: background 0.15s ease, color 0.15s ease;
}

nav a:hover {
  background: var(--primary);
  color: #facc15; /* keltainen teksti hoverissa */
}

.nav-contact {
  font-size: 0.85rem;
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  white-space: nowrap;
}

.nav-contact a {
  color: var(--primary);
  font-weight: 600;
}

.nav-contact span {
  color: var(--muted);
}

@media (max-width: 720px) {
  .nav-inner {
    flex-wrap: wrap;
    justify-content: center;
  }
  nav ul {
    order: 3;
    flex-wrap: wrap;
    justify-content: center;
  }
  .nav-contact {
    order: 2;
    text-align: center;
  }
}

/* Hero */

.hero {
  padding: 4rem 0 3.5rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  background: #fef9c3; /* vaalea keltainen tausta */
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #854d0e; /* tumma “kultainen” */
}

.hero-title {
  font-size: 2.3rem;
  margin: 1rem 0 0.5rem;
  letter-spacing: -0.02em;
  color: var(--primary);
}

.hero-title span {
  color: var(--accent);
}

.hero-lead {
  color: var(--muted);
  max-width: 35rem;
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  border-radius: 999px;
  padding: 0.7rem 1.4rem;
  font-size: 0.95rem;
  border: 3px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, transform 0.05s ease,
    box-shadow 0.1s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: #111111;
  border-color: var(--accent-dark);
  box-shadow: var(--shadow-soft);
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--accent-dark);
  color: #111111;
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.15);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--border);
}

.btn-outline:hover {
  background: #111111;
  color: #facc15;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.hero-visual {
  position: relative;
}

.hero-box {
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  padding: 1.2rem 1.2rem 1rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border);
}

.hero-box-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.hero-services-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.hero-services-list li::before {
  content: "•";
  margin-right: 0.35rem;
  color: var(--accent);
  font-size: 1.1em;
}

.hero-note {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--muted);
}

@media (max-width: 840px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero {
    padding-top: 3rem;
  }
}

/* Sections */

section {
  padding: 3.5rem 0;
}

/* Vuorotteleva tausta: joka toinen osio hieman kellertävä */
section:nth-of-type(odd) {
  background: var(--bg-alt);
}

section:nth-of-type(even) {
  background: #fffbeb; /* hyvin vaalea kellertävä */
}

.section-head {
  margin-bottom: 2rem;
  text-align: left;
}

.section-kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

.section-title {
  font-size: 1.7rem;
  margin: 0;
  color: var(--primary);
}

.section-subtitle {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 35rem;
}

/* Services */

.services-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card {
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 1.5rem 1.25rem 1.3rem;
  border: 1px solid var(--border);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.02);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.service-icon {
  font-size: 1.6rem;
}

.service-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary);
}

.service-text {
  font-size: 0.9rem;
  color: var(--muted);
}

.service-meta {
  margin-top: 0.4rem;
  font-size: 0.8rem;
  color: var(--muted);
  opacity: 0.9;
}

@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .services-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* About + Process */

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 2rem;
}

.about-text p {
  margin-top: 0;
  font-size: 0.95rem;
}

.about-text p + p {
  margin-top: 0.75rem;
}

.about-highlight {
  margin-top: 1rem;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  background: #fef3c7; /* keltainen korostuslaatikko */
  border: 1px dashed #fbbf24;
  font-size: 0.85rem;
  color: #92400e;
}

.process-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.9rem;
  font-size: 0.9rem;
}

.process-step {
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border);
  padding: 0.8rem 0.9rem;
  background: #f9fafb;
}

.process-step-title {
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.15rem;
  font-size: 0.92rem;
}

.process-step span {
  font-size: 0.8rem;
  color: var(--muted);
}

@media (max-width: 840px) {
  .two-col {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Contact */

.contact-wrap {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr);
  gap: 2rem;
  align-items: start;
}

.contact-card {
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.5rem 1.3rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  font-size: 0.92rem;
}

.contact-card h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
  font-size: 1.1rem;
  color: var(--primary);
}

.contact-card p {
  margin: 0.25rem 0;
  color: var(--muted);
}

.contact-card a {
  color: var(--primary);
  font-weight: 600;
}

@media (max-width: 840px) {
  .contact-wrap {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Footer */

footer {
  border-top: 1px solid var(--border);
  padding: 1.2rem 0 1.4rem;
  font-size: 0.8rem;
  color: #e5e7eb;
  background: #111111; /* musta footer */
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
}

.footer-inner span strong {
  color: #facc15; /* keltainen yritysnimi footerissa */
  font-weight: 600;
}

.footer-inner a {
  color: #facc15;
}

@media (max-width: 640px) {
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}