/* =========================================================
   DKN ANALYTICS — BRAND PLACEHOLDERS

   Replace these variables when fonts and colours are confirmed.
   ========================================================= */

:root {
  /* BRAND COLOURS */
  --brand: #2854d7;
  --brand-dark: #17348f;
  --accent: #42d6ad;

  /* NEUTRAL COLOURS */
  --heading: #101828;
  --text: #475467;
  --muted-text: #667085;
  --background: #ffffff;
  --background-muted: #f4f7fb;
  --border: #dfe5ec;

  /* FONT PLACEHOLDERS */
  --font-heading: Arial, Helvetica, sans-serif;
  --font-body: Arial, Helvetica, sans-serif;

  /* LAYOUT */
  --container: 1180px;
  --radius-small: 8px;
  --radius-large: 20px;
}


/* =========================================================
   RESET AND BASE
   ========================================================= */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--background);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
}

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

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

button,
input,
textarea {
  font: inherit;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--heading);
  font-family: var(--font-heading);
  line-height: 1.12;
}

h1 {
  margin-bottom: 1.5rem;
  font-size: clamp(2.75rem, 6vw, 5.5rem);
  letter-spacing: -0.055em;
}

h2 {
  margin-bottom: 1.25rem;
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.section {
  padding: clamp(5rem, 9vw, 8rem) 0;
}

.section-muted {
  background: var(--background-muted);
}


/* =========================================================
   REUSABLE ELEMENTS
   ========================================================= */

.eyebrow {
  margin-bottom: 1rem;
  color: var(--brand);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.4rem;
  border: 1px solid var(--brand);
  border-radius: var(--radius-small);
  color: #ffffff;
  background: var(--brand);
  font-weight: 700;
  transition:
    background 160ms ease,
    transform 160ms ease;
}

.button:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
}

.button-small {
  min-height: 2.65rem;
  padding: 0.55rem 1rem;
}

.button-light {
  border-color: #ffffff;
  color: var(--brand-dark);
  background: #ffffff;
}

.button-light:hover {
  color: #ffffff;
  background: transparent;
}

.text-link {
  color: var(--heading);
  font-weight: 700;
}

.text-link:hover {
  color: var(--brand);
}


/* =========================================================
   HEADER
   ========================================================= */

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.96);
}

.header-inner {
  display: flex;
  min-height: 5rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  color: var(--heading);
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.logo span {
  margin-left: 0.25rem;
  color: var(--brand);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.desktop-nav > a:not(.button) {
  font-size: 0.92rem;
  font-weight: 600;
}

.desktop-nav > a:not(.button):hover {
  color: var(--brand);
}

.mobile-menu {
  display: none;
}

.mobile-menu summary {
  cursor: pointer;
  color: var(--heading);
  font-weight: 700;
  list-style: none;
}

.mobile-menu summary::-webkit-details-marker {
  display: none;
}


/* =========================================================
   HERO
   ========================================================= */

.hero {
  overflow: hidden;
  padding: clamp(5rem, 10vw, 9rem) 0;
  background:
    radial-gradient(
      circle at 82% 35%,
      rgba(40, 84, 215, 0.12),
      transparent 30%
    ),
    linear-gradient(135deg, #ffffff 45%, #f2f6ff 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
}

.hero-copy h1 span {
  display: block;
  color: var(--brand);
}

.hero-intro {
  max-width: 640px;
  margin-bottom: 2rem;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin: 2.5rem 0 0;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--border);
  list-style: none;
}

.hero-proof li {
  color: var(--muted-text);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}


/* =========================================================
   CSS DASHBOARD
   ========================================================= */

.dashboard {
  position: relative;
  padding: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-large);
  background: #ffffff;
  box-shadow: 0 30px 80px rgba(23, 52, 143, 0.18);
}

.dashboard::before {
  position: absolute;
  z-index: -1;
  inset: 12% -8% -10% 18%;
  border-radius: 50%;
  background: rgba(66, 214, 173, 0.24);
  filter: blur(50px);
  content: "";
}

.dashboard-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.dashboard-top p {
  margin-bottom: 0.1rem;
  color: var(--muted-text);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.dashboard-top strong {
  color: var(--heading);
}

.status {
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  color: #08765a;
  background: #dcfaef;
  font-size: 0.72rem;
  font-weight: 700;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
}

.metric {
  padding: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.metric span,
.metric small {
  display: block;
  color: var(--muted-text);
  font-size: 0.68rem;
}

.metric strong {
  display: block;
  margin: 0.3rem 0;
  color: var(--heading);
  font-size: 1.35rem;
}

.metric small {
  color: #08765a;
  font-weight: 700;
}

.chart-panel {
  margin-top: 0.75rem;
  padding: 1rem;
  border-radius: 12px;
  background: var(--background-muted);
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  color: var(--heading);
  font-size: 0.78rem;
  font-weight: 700;
}

.panel-heading small {
  color: var(--muted-text);
  font-weight: 400;
}

.chart {
  display: flex;
  height: 155px;
  align-items: flex-end;
  gap: 0.6rem;
  padding-top: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.chart span {
  flex: 1;
  height: var(--height);
  min-height: 15%;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(
    180deg,
    var(--accent),
    var(--brand)
  );
}

.dashboard-footer {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  padding-top: 1rem;
  color: var(--muted-text);
  font-size: 0.66rem;
  text-align: center;
}


/* =========================================================
   SERVICES
   ========================================================= */

.section-heading {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: end;
  gap: 4rem;
  margin-bottom: 3rem;
}

.section-heading > p {
  max-width: 500px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.service-card {
  padding: clamp(2rem, 4vw, 3rem);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.service-number {
  display: block;
  margin-bottom: 3rem;
  color: var(--brand);
  font-size: 0.75rem;
  font-weight: 700;
}

.service-card p {
  margin-bottom: 1.5rem;
}

.service-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted-text);
  font-size: 0.92rem;
}

.service-card li + li {
  margin-top: 0.45rem;
}


/* =========================================================
   APPROACH
   ========================================================= */

.approach-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(4rem, 10vw, 9rem);
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.5rem;
  padding: 0 0 2rem;
  border-bottom: 1px solid var(--border);
}

.steps li + li {
  padding-top: 2rem;
}

.steps > li > span {
  color: var(--brand);
  font-size: 0.75rem;
  font-weight: 700;
}

.steps h3,
.steps p {
  margin-bottom: 0.35rem;
}


/* =========================================================
   ABOUT
   ========================================================= */

.about-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  align-items: center;
  gap: clamp(4rem, 10vw, 10rem);
}

.about-stat {
  display: flex;
  flex-direction: column;
  padding: 3rem;
  border-left: 5px solid var(--accent);
  background: var(--heading);
}

.about-stat strong {
  color: #ffffff;
  font-size: clamp(4rem, 8vw, 7rem);
  line-height: 1;
}

.about-stat span {
  max-width: 220px;
  margin-top: 1rem;
  color: rgba(255, 255, 255, 0.72);
}

.about-copy {
  max-width: 650px;
}


/* =========================================================
   CONTACT AND FOOTER
   ========================================================= */

.contact-section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  background: var(--brand);
}

.contact-section .eyebrow {
  color: rgba(255, 255, 255, 0.7);
}

.contact-section h2 {
  max-width: 750px;
  margin-bottom: 0;
  color: #ffffff;
}

.contact-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.site-footer {
  padding: 2rem 0;
  color: #98a2b3;
  background: var(--heading);
}

.site-footer .logo {
  color: #ffffff;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.footer-inner p {
  margin: 0;
  font-size: 0.78rem;
}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 850px) {
  .desktop-nav {
    display: none;
  }

  .mobile-menu {
    position: relative;
    display: block;
  }

  .mobile-menu nav {
    position: absolute;
    top: 2.5rem;
    right: 0;
    display: grid;
    width: 220px;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-small);
    background: #ffffff;
    box-shadow: 0 15px 35px rgba(16, 24, 40, 0.12);
  }

  .mobile-menu nav a {
    padding: 0.7rem;
    font-weight: 700;
  }

  .hero-grid,
  .section-heading,
  .approach-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 4rem;
  }

  .section-heading {
    align-items: start;
    gap: 0;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .about-stat {
    max-width: 430px;
  }

  .contact-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
  }
}


@media (max-width: 520px) {
  .container {
    width: min(100% - 1.5rem, var(--container));
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .dashboard {
    padding: 0.75rem;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .chart {
    height: 120px;
  }

  .service-card {
    padding: 2rem 1.5rem;
  }

  .service-number {
    margin-bottom: 1.5rem;
  }
}