/* Lumenwise — marketing site */
:root {
  --navy: #14234B;
  --navy-deep: #0B162F;
  --navy-soft: #24365F;
  --amber: #F2A922;
  --amber-deep: #D48C0E;
  --amber-soft: #F8D48A;
  --cream: #FBF7F0;
  --cream-dark: #F1E6D4;
  --ink: #14234B;
  --muted: #4A556C;
  --white: #FFFFFF;
  --line: rgba(20, 35, 75, 0.12);
  --shadow: 0 12px 40px rgba(20, 35, 75, 0.08);
  --radius: 1.25rem;
  --header-h: 4.75rem;
  --font-serif: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --font-sans: "Source Sans 3", "Source Sans Pro", "Segoe UI", Calibri, sans-serif;
  --measure: 70rem;
  --focus: 0 0 0 3px var(--cream), 0 0 0 6px var(--navy);
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 0.75rem);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--navy);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--navy-soft);
}

:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 1000;
  background: var(--navy);
  color: var(--white);
  padding: 0.6rem 1rem;
  border-radius: 0.4rem;
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
  color: var(--white);
}

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

.container.narrow {
  width: min(100% - 2.5rem, 42rem);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 247, 240, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.logo img {
  width: auto;
  height: 2.85rem;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 0.2rem 1.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  color: var(--navy);
  padding: 0.25rem 0;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--navy);
  box-shadow: inset 0 -2px 0 var(--amber);
}

.site-nav .nav-cta {
  display: inline-flex;
  align-items: center;
  background: var(--navy);
  color: var(--white);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  box-shadow: none;
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  background: var(--navy-soft);
  color: var(--white);
  box-shadow: none;
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  border-radius: 0.5rem;
  position: relative;
}

.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  display: block;
  width: 1.35rem;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
}

.nav-toggle-bar::before {
  transform: translate(-50%, calc(-50% - 6px));
}

.nav-toggle-bar::after {
  transform: translate(-50%, calc(-50% + 6px));
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  padding: clamp(2.5rem, 6vw, 5.5rem) 0 clamp(3.5rem, 7vw, 6.5rem);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber-deep);
}

.eyebrow-light {
  color: var(--amber-soft);
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-optical-sizing: auto;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  margin: 0 0 1.15rem;
  font-size: clamp(2.15rem, 4.6vw, 3.65rem);
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.8rem, 3.2vw, 2.55rem);
}

h3 {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

.lead,
.section-help p,
.section-intro p,
.contact-panel p {
  color: var(--muted);
}

.lead {
  margin: 0 0 1.75rem;
  font-size: clamp(1.15rem, 1.6vw, 1.3rem);
  max-width: 38rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.8rem 1.4rem;
  line-height: 1.2;
  border: 2px solid transparent;
  transition: background 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--amber);
  color: var(--navy);
  border-color: var(--amber);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--amber-deep);
  border-color: var(--amber-deep);
  color: var(--navy);
}

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border-color: rgba(20, 35, 75, 0.28);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--navy);
  color: var(--navy);
  background: rgba(255, 255, 255, 0.6);
}

.btn-lg {
  padding: 0.95rem 1.7rem;
  font-size: 1.15rem;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-glow {
  position: absolute;
  inset: 8% 10% 12%;
  background: radial-gradient(circle, rgba(242, 169, 34, 0.38) 0%, rgba(242, 169, 34, 0.12) 48%, transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.hero-visual img {
  position: relative;
  z-index: 1;
  width: min(100%, 22rem);
  filter: drop-shadow(0 18px 30px rgba(20, 35, 75, 0.12));
}

/* Sections */
.section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}

.section-help {
  background: var(--white);
  border-block: 1px solid var(--line);
}

.section-help p + p {
  margin-top: 1rem;
}

.section-intro {
  max-width: 40rem;
  margin-bottom: 2.5rem;
}

.section-intro .eyebrow + h2,
.section-help .eyebrow + h2 {
  margin-top: 0.15rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem 1.55rem 1.7rem;
  box-shadow: var(--shadow);
}

.card-wide {
  grid-column: 1 / -1;
}

.card-icon {
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: 1rem;
  color: var(--navy);
  background: rgba(242, 169, 34, 0.16);
  border-radius: 0.8rem;
  display: grid;
  place-items: center;
}

.card-icon svg {
  width: 1.7rem;
  height: 1.7rem;
}

.card p,
.steps p,
.why-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

/* How it works */
.section-how {
  background: var(--white);
  border-block: 1px solid var(--line);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  counter-reset: step;
}

.steps li {
  position: relative;
  padding-top: 0.25rem;
  counter-increment: step;
}

.steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  margin-bottom: 0.9rem;
  border-radius: 999px;
  background: var(--amber);
  color: var(--navy);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
}

/* Why */
.why-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.why-grid li {
  padding: 0.25rem 0.15rem 0;
  border-top: 3px solid var(--amber);
  padding-top: 1.15rem;
}

/* Contact */
.section-contact {
  padding-top: 0;
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
}

.contact-panel {
  background: var(--navy);
  color: var(--cream);
  border-radius: 1.6rem;
  padding: clamp(2.4rem, 5vw, 4.2rem) clamp(1.5rem, 4vw, 3.5rem);
  text-align: center;
}

.contact-panel h2 {
  color: var(--white);
}

.contact-panel p {
  color: rgba(251, 247, 240, 0.86);
  max-width: 34rem;
  margin: 0 auto 1.75rem;
  font-size: 1.15rem;
}

.contact-panel .btn-primary {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

/* Footer */
.site-footer {
  padding: 2.5rem 0 2.75rem;
  border-top: 1px solid var(--line);
  background: var(--cream);
}

.footer-inner {
  display: grid;
  justify-items: start;
  gap: 0.75rem;
}

.logo-footer img {
  height: 2.4rem;
}

.footer-tag {
  margin: 0;
  color: var(--muted);
  font-weight: 500;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.15rem;
  margin: 0.35rem 0 0.15rem;
}

.footer-nav a,
.footer-meta a {
  color: var(--navy);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
}

.footer-nav a:hover,
.footer-meta a:hover {
  text-decoration: underline;
}

.footer-meta,
.footer-note {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .steps,
  .why-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .hero-visual {
    order: -1;
  }

  .hero-visual img {
    width: min(58%, 16rem);
  }

  .hero {
    padding-top: 1.75rem;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--cream);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 1.25rem 1.1rem;
    display: none;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
  }

  .site-nav a {
    display: block;
    padding: 0.7rem 0.25rem;
  }

  .site-nav .nav-cta {
    justify-content: center;
    margin-top: 0.4rem;
  }

  .card-grid,
  .steps,
  .why-grid {
    grid-template-columns: 1fr;
  }

  .logo img {
    height: 2.45rem;
  }
}

@media (max-width: 480px) {
  .container,
  .container.narrow {
    width: min(100% - 1.6rem, var(--measure));
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-contrast: more) {
  .card,
  .site-header,
  .section-help,
  .section-how {
    border-color: var(--navy);
  }

  .btn-secondary {
    border-color: var(--navy);
  }
}