/* ==========================================================================
   TenjaTech design tokens and base styles
   Flat colors only, no gradients. Palette pulled from the real logo.
   ========================================================================== */

:root {
  --color-navy: #2d2e83;
  --color-navy-dark: #202163;
  --color-cyan: #009fe3;
  --color-cyan-dark: #007bb3;
  --color-ink: #1a1a2e;
  --color-ink-soft: #4a4a5e;
  --color-bg: #ffffff;
  --color-bg-soft: #f6f7fb;
  --color-card: #ffffff;
  --color-border: #e3e5ee;
  --color-white: #ffffff;
  --color-header-bg: #ffffff;
  --color-footer-bg: #12131c;
  --color-focus: #009fe3;

  --font-display: 'Outfit', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;

  --container-width: 1160px;
  --radius: 10px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;

  color-scheme: light;
}

/* System-preference dark mode, only when the user hasn't explicitly chosen light */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-ink: #e7e8f0;
    --color-ink-soft: #aeb1cc;
    --color-bg: #12131c;
    --color-bg-soft: #1a1c28;
    --color-card: #1c1e2b;
    --color-border: #2c2f40;
    --color-header-bg: #12131c;
    color-scheme: dark;
  }
}

/* Explicit user choice, overrides system preference in both directions */
:root[data-theme="dark"] {
  --color-ink: #e7e8f0;
  --color-ink-soft: #aeb1cc;
  --color-bg: #12131c;
  --color-bg-soft: #1a1c28;
  --color-card: #1c1e2b;
  --color-border: #2c2f40;
  --color-header-bg: #12131c;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --color-ink: #1a1a2e;
  --color-ink-soft: #4a4a5e;
  --color-bg: #ffffff;
  --color-bg-soft: #f6f7fb;
  --color-card: #ffffff;
  --color-border: #e3e5ee;
  --color-header-bg: #ffffff;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-navy);
  line-height: 1.2;
  margin: 0 0 var(--space-2);
  font-weight: 600;
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 var(--space-2); }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.section {
  padding: var(--space-6) 0;
}

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

.section--navy {
  background: var(--color-navy);
  color: var(--color-white);
}

.section--navy h1,
.section--navy h2,
.section--navy h3 {
  color: var(--color-white);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-cyan-dark);
  margin-bottom: var(--space-1);
}

.section--navy .eyebrow {
  color: var(--color-cyan);
}

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

.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  padding: 0.85em 1.6em;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none !important;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn--primary {
  background: var(--color-cyan);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-cyan-dark);
}

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

.btn--outline:hover {
  background: var(--color-white);
  color: var(--color-navy);
}

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

.btn--outline-navy:hover {
  background: var(--color-navy);
  color: var(--color-white);
}

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

.site-header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-header-bg);
  z-index: 100;
  transition: background-color 0.2s ease;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) 0;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.5em;
}

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

.site-logo img {
  height: 36px;
  width: auto;
}

.site-logo__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border-radius: 50%;
  padding: 4px;
  line-height: 0;
}

.site-logo__mark img {
  height: 28px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg-soft);
  color: var(--color-ink);
  cursor: pointer;
  font-size: 1rem;
  margin-left: var(--space-2);
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.theme-toggle:hover {
  border-color: var(--color-cyan);
}

.theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: inline; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: inline; }
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  align-items: center;
}

.main-nav a {
  color: var(--color-ink);
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
}

.main-nav a:hover {
  color: var(--color-cyan-dark);
  text-decoration: none;
}

.main-nav .current-menu-item > a,
.main-nav a[aria-current="page"] {
  color: var(--color-cyan-dark);
  font-weight: 700;
}

.main-nav .current-menu-item > a::after,
.main-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--color-cyan);
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--color-navy);
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-header-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2) var(--space-3);
  }
  .main-nav.is-open {
    display: block;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
}

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

.hero {
  padding: var(--space-6) 0;
  background: var(--color-navy);
  color: var(--color-white);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-5);
  align-items: center;
}

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

.hero h1 {
  color: var(--color-white);
}

.hero__lede {
  font-size: 1.15rem;
  color: #d7d9f5;
  max-width: 46ch;
}

.hero__actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

/* ---- Segment pills ---- */

.pill-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

.pill {
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--color-white);
  border-radius: 999px;
  padding: 0.5em 1.1em;
  font-size: 0.9rem;
}

/* ---- Grids and cards ---- */

.grid {
  display: grid;
  gap: var(--space-3);
}

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

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

@media (max-width: 860px) {
  .grid--3, .grid--2 {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(15, 17, 28, 0.1);
}

.card h3 {
  margin-top: 0;
}

.portfolio-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(15, 17, 28, 0.12);
}

.portfolio-card__image img {
  transition: transform 0.35s ease;
}

.portfolio-card:hover .portfolio-card__image img {
  transform: scale(1.04);
}

.portfolio-card__image {
  border-bottom: 1px solid var(--color-border);
  aspect-ratio: 16/10;
  overflow: hidden;
}

.portfolio-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.portfolio-card__body {
  padding: var(--space-3);
}

.portfolio-card__tag {
  font-size: 0.8rem;
  color: var(--color-cyan-dark);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---- Stats ---- */

.stat-row {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
  margin-top: var(--space-4);
}

.stat-row .stat-value {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-white);
}

.stat-row .stat-label {
  color: #c3c6f0;
  font-size: 0.9rem;
}

/* ---- Team ---- */

.team-card {
  text-align: left;
}

.team-card__name {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-navy);
}

.team-card__role {
  color: var(--color-cyan-dark);
  font-size: 0.9rem;
  font-weight: 600;
}

.team-card__location {
  color: var(--color-ink-soft);
  font-size: 0.85rem;
}

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

.site-footer {
  background: var(--color-footer-bg);
  color: #cfd0e0;
  padding: var(--space-5) 0 var(--space-3);
}

.site-footer a {
  color: #eef0ff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-4);
}

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

.footer-grid h4 {
  color: var(--color-white);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-grid li {
  margin-bottom: 0.5em;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  font-size: 0.85rem;
  color: #9a9cc0;
}

/* ---- Utility ---- */

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.max-w-prose { max-width: 68ch; }
.section-head { margin-bottom: var(--space-4); }
.testimonial {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-navy);
  font-style: normal;
  max-width: 60ch;
  margin: 0 auto var(--space-2);
}
.testimonial-attribution {
  color: var(--color-ink-soft);
  font-size: 0.95rem;
}

/* ---- Motion / dynamism ---- */

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}

.btn {
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

/* ---- Focus visibility ---- */

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* ---- Logo wall (tools / clients) ---- */

.logo-wall {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.logo-wall__item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 64px;
  min-width: 96px;
  padding: 0 var(--space-2);
  background: #ffffff;
  border: 1px solid #e3e5ee;
  border-radius: var(--radius);
}

.logo-wall__item img {
  max-height: 32px;
  max-width: 84px;
  width: auto;
}

.logo-wall__item--text {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-ink-soft);
  font-size: 0.95rem;
}

.tool-group {
  margin-bottom: var(--space-3);
}

.tool-group h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-2);
  text-align: center;
}

.tag-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.25em 0.6em;
  border-radius: 4px;
  background: var(--color-bg-soft);
  color: var(--color-cyan-dark);
  border: 1px solid var(--color-border);
  margin-right: 0.4em;
  margin-bottom: 0.4em;
}