/* ==========================================================================
   Limax Systems — design tokens & base
   ========================================================================== */

:root {
  /* Color */
  --color-bg: #ffffff;
  --color-bg-alt: #f3f6f4;        /* subtle section alternation, still light */
  --color-ink: #14201f;           /* primary text */
  --color-ink-soft: #4d5a58;      /* secondary text */
  --color-line: #dde3e0;          /* hairlines / borders */
  --color-teal: #1f6f64;          /* primary brand color */
  --color-teal-dark: #16544c;     /* hover/active state of teal */
  --color-gold: #b8863e;          /* CTA / warm accent, used sparingly */
  --color-gold-dark: #96692c;
  --color-bg-inverted: #12201f;   /* used only for small chips/tags, never full sections */

  /* Type */
  --font-display: "Archivo", "Arial Narrow", sans-serif;
  --font-body: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;

  /* Layout */
  --content-width: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 4px;

  --shadow-1: 0 1px 2px rgba(20, 32, 31, 0.06), 0 4px 14px rgba(20, 32, 31, 0.05);
  --shadow-2: 0 2px 4px rgba(20, 32, 31, 0.07), 0 10px 28px rgba(20, 32, 31, 0.08);
}

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

html {
  background: var(--color-bg);
  color-scheme: light;
  scroll-behavior: smooth;
}

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

section[id] {
  scroll-margin-top: 84px;
}

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

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

a {
  color: var(--color-teal);
  text-decoration: none;
}
a:hover { color: var(--color-teal-dark); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-ink);
  margin: 0 0 0.5em;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

p { margin: 0 0 1.1em; max-width: 62ch; }

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* Focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ==========================================================================
   Layout helpers
   ========================================================================== */

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

.section {
  padding-top: clamp(3rem, 6vw, 5.5rem);
  padding-bottom: clamp(3rem, 6vw, 5.5rem);
}

.section--alt { background: var(--color-bg-alt); }

.section-head {
  max-width: 46rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section-head h2 { font-size: clamp(1.75rem, 1.2rem + 2vw, 2.5rem); }
.section-head p { font-size: 1.0625rem; color: var(--color-ink-soft); }

.eyebrow-plain {
  font-size: 0.9375rem;
  color: var(--color-teal);
  font-weight: 600;
  margin-bottom: 0.6em;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.85em 1.5em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--color-gold);
  color: #fff;
  box-shadow: var(--shadow-1);
}
.btn--primary:hover {
  background: var(--color-gold-dark);
  color: #fff;
  box-shadow: var(--shadow-2);
}

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

/* ==========================================================================
   Header / Nav
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-ink);
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
}
.brand:hover { color: var(--color-ink); }
.brand-mark { color: var(--color-teal); }

.nav-links {
  display: none;
  align-items: center;
  gap: 2.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-ink);
  font-size: 0.95rem;
  font-weight: 500;
}
.nav-links a.is-active { color: var(--color-teal); }

.nav-cta { display: none; }

.nav-toggle {
  background: none;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle svg { width: 18px; height: 18px; }

.mobile-menu {
  display: none;
  border-top: 1px solid var(--color-line);
  padding: 1rem var(--gutter) 1.5rem;
}
.mobile-menu.is-open { display: block; }
.mobile-menu ul {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.mobile-menu a { color: var(--color-ink); font-size: 1rem; font-weight: 500; }
.mobile-menu a.is-active { color: var(--color-teal); }

@media (min-width: 860px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
  .mobile-menu { display: none !important; }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
}

.hero-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
  align-items: center;
}

@media (min-width: 960px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; }
}

.hero h1 {
  font-size: clamp(2.5rem, 1.7rem + 3vw, 3.75rem);
  max-width: 14ch;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--color-ink-soft);
  max-width: 42ch;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.6rem;
}

.hero-figure {
  opacity: 0;
  transform: translateY(10px);
  animation: hero-in 0.6s ease-out 0.15s forwards;
}
.hero h1, .hero-sub, .hero-ctas {
  opacity: 0;
  transform: translateY(10px);
  animation: hero-in 0.5s ease-out forwards;
}
.hero h1 { animation-delay: 0.02s; }
.hero-sub { animation-delay: 0.1s; }
.hero-ctas { animation-delay: 0.18s; }

@keyframes hero-in {
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-figure, .hero h1, .hero-sub, .hero-ctas {
    opacity: 1; transform: none; animation: none;
  }
}

.flow-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 1.25rem;
}

.flow-tab {
  background: none;
  border: none;
  padding: 0.1rem 0 0.75rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-ink-soft);
  cursor: pointer;
  position: relative;
}
.flow-tab:hover { color: var(--color-ink); }
.flow-tab.is-active { color: var(--color-teal); }
.flow-tab.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--color-teal);
}

.flow-panels {
  touch-action: pan-y;
}

.flow-diagram { width: 100%; height: auto; }
.flow-caption {
  display: flex;
  font-size: 0.8125rem;
  color: var(--color-ink-soft);
  margin-top: 0.75rem;
  font-family: var(--font-mono);
}

/* Widths mirror the diagram's own proportions (divider at x=290 of a 660-wide
   viewBox), so each label centers under its own half of the drawing. */
.flow-caption span:first-child {
  flex: 0 0 43.9%;
  text-align: center;
}
.flow-caption span:last-child {
  flex: 1;
  text-align: center;
}

/* ==========================================================================
   Process rail (Diagnose / Propose / Build / Grow)
   ========================================================================== */

.process-rail {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 860px) {
  .process-rail {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    position: relative;
  }
  .process-rail::before {
    content: "";
    position: absolute;
    top: 1.05rem;
    left: 4%;
    right: 4%;
    height: 1px;
    background: var(--color-line);
  }
}

.process-step {
  position: relative;
}

.process-num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-bg);
  background: var(--color-teal);
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.process-step h3 { font-size: 1.15rem; margin-bottom: 0.4em; }
.process-step p { font-size: 0.95rem; color: var(--color-ink-soft); max-width: 30ch; }

/* ==========================================================================
   Services list
   ========================================================================== */

.service-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-line);
}

.service-row {
  display: grid;
  gap: 0.75rem 2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--color-line);
}

@media (min-width: 720px) {
  .service-row {
    grid-template-columns: 1fr 2fr;
    align-items: start;
  }
}

.service-row h3 {
  font-size: 1.15rem;
  margin: 0;
}

.service-row p {
  margin: 0 0 0.9rem;
  color: var(--color-ink-soft);
  font-size: 0.98rem;
  max-width: 52ch;
}

.service-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-teal);
  border: 1px solid var(--color-teal);
  border-radius: 100px;
  padding: 0.3em 0.85em;
  white-space: nowrap;
  justify-self: start;
}

.example-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.example-pill {
  font-size: 0.82rem;
  color: var(--color-ink-soft);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  border-radius: 100px;
  padding: 0.35em 0.85em;
  white-space: nowrap;
}

.services-note {
  margin-top: 1.75rem;
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  border-left: 2px solid var(--color-line);
  padding-left: 1rem;
}

/* Detailed service blocks (services.html) */
.service-detail {
  display: grid;
  gap: 2rem;
  padding: clamp(2rem, 4vw, 2.75rem) 0;
  border-bottom: 1px solid var(--color-line);
}

@media (min-width: 860px) {
  .service-detail { grid-template-columns: 0.9fr 1.6fr; }
}

.service-detail .service-tag { margin-bottom: 1rem; display: inline-block; }
.service-detail h3 { font-size: 1.5rem; }
.service-detail-body p { color: var(--color-ink-soft); }

.service-detail-body ul {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}
.service-detail-body li {
  padding-left: 1.4rem;
  position: relative;
  margin-bottom: 0.6rem;
  color: var(--color-ink-soft);
  font-size: 0.98rem;
}
.service-detail-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--color-teal);
  border-radius: 50%;
}

/* ==========================================================================
   Value props
   ========================================================================== */

.value-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .value-grid { grid-template-columns: repeat(3, 1fr); }
}

.value-item h3 {
  font-size: 1.05rem;
  border-top: 2px solid var(--color-teal);
  padding-top: 0.9rem;
}
.value-item p { color: var(--color-ink-soft); font-size: 0.96rem; }

/* ==========================================================================
   CTA band
   ========================================================================== */

.cta-band {
  background: var(--color-bg-alt);
  border-radius: 8px;
  padding: clamp(2rem, 5vw, 3.5rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.75rem;
}

.cta-band h2 { font-size: clamp(1.5rem, 1rem + 1.6vw, 2.1rem); margin-bottom: 0.3em; max-width: 20ch; }
.cta-band p { color: var(--color-ink-soft); margin: 0; }
.cta-band-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; }

/* ==========================================================================
   Pricing
   ========================================================================== */

.pricing-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .pricing-grid--three { grid-template-columns: repeat(3, 1fr); }
}

.price-card {
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
}

.price-card--featured {
  border-color: var(--color-teal);
  box-shadow: var(--shadow-2);
}

.price-card h3 { font-size: 1.05rem; margin-bottom: 0.3em; }
.price-card .price {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  color: var(--color-ink);
  margin: 0.4rem 0 0.2rem;
}
.price-card .price-unit {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  font-family: var(--font-body);
}
.price-card p.desc { color: var(--color-ink-soft); font-size: 0.92rem; }

.price-card ul {
  list-style: none;
  margin: 1rem 0 1.5rem;
  padding: 0;
  flex-grow: 1;
}
.price-card li {
  padding-left: 1.3rem;
  position: relative;
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
  color: var(--color-ink-soft);
}
.price-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  background: var(--color-teal);
  border-radius: 50%;
}

.pricing-note {
  margin-top: 2rem;
  font-size: 0.9rem;
  color: var(--color-ink-soft);
  border-left: 2px solid var(--color-line);
  padding-left: 1rem;
}

/* ==========================================================================
   About page
   ========================================================================== */

.about-lede {
  font-size: 1.2rem;
  color: var(--color-ink-soft);
  max-width: 52ch;
}

.about-grid {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 860px) {
  .about-grid { grid-template-columns: 1fr 1fr; }
}

.pillar {
  padding-top: 1rem;
  border-top: 1px solid var(--color-line);
}
.pillar h3 { font-size: 1.1rem; }
.pillar p { color: var(--color-ink-soft); font-size: 0.97rem; }

/* ==========================================================================
   Contact page
   ========================================================================== */

.contact-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

@media (min-width: 780px) {
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
}

.contact-card {
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 1.75rem;
}
.contact-card h3 {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.contact-card .contact-value {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1.5vw + 0.6rem, 1.15rem);
  white-space: nowrap;
  overflow-x: auto;
}
.contact-card p.hint {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-line);
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
  padding-bottom: 2.5rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 720px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}

.footer-brand p {
  color: var(--color-ink-soft);
  font-size: 0.95rem;
  max-width: 32ch;
}

.footer-col h4 {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  font-weight: 600;
  margin-bottom: 0.9rem;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 0.6rem; }
.footer-col a { color: var(--color-ink); font-size: 0.95rem; }

.footer-bottom {
  border-top: 1px solid var(--color-line);
  padding-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
}