/* ==========================================================================
   F6 Films — styles.css
   Plain CSS, no build step. Matches the structural DNA of prairieledger.com
   and behrenslogistics.com (same token architecture, same component
   patterns) with F6's own palette: a near-black archive field and a single
   dusty-gold accent, per the brand brief.
   ========================================================================== */

:root {
  --gold: #c9a227;
  --gold-dark: #a9861c;
  --gold-tint: rgba(201, 162, 39, 0.14);
  --paper: #f5f1e6;
  --paper-soft: #c9c2b0;
  --ink: #0f0d0a;
  --charcoal: #14120f;
  --charcoal-card: #1c1914;
  --charcoal-raise: #232019;
  --border: #322c22;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.35);
  --max: 1120px;
  --font-head: "Barlow Condensed", "DejaVu Sans Condensed", Arial, sans-serif;
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
}

/* ---- reset ---------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
}

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

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

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

a:hover,
a:focus-visible {
  text-decoration: underline;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.1;
  margin: 0 0 0.5em;
  letter-spacing: 0.01em;
  color: var(--paper);
}

p {
  margin: 0 0 1em;
}

ul {
  margin: 0;
  padding: 0;
}

button {
  font-family: inherit;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- layout helpers --------------------------------------------------- */

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 72px 0;
  border-bottom: 1px solid var(--border);
}

section:last-of-type {
  border-bottom: none;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}

.section-head {
  max-width: 640px;
  margin-bottom: 40px;
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 38px);
}

.section-head p {
  color: var(--paper-soft);
  font-size: 18px;
}

/* ---- header / nav ------------------------------------------------------ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(20, 18, 15, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--paper);
}

.brand:hover,
.brand:focus-visible {
  text-decoration: none;
}

.brand img {
  height: 34px;
  width: auto;
}

.brand span {
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: 0.01em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  color: var(--paper-soft);
  font-family: var(--font-head);
  font-size: 15px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a.is-active {
  color: var(--gold);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--paper);
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
}

/* ---- buttons ------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-size: 16px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover,
.btn:focus-visible {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--gold);
  color: var(--ink);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--gold-dark);
}

.btn-ghost {
  background: transparent;
  border-color: var(--paper-soft);
  color: var(--paper);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
}

/* ---- hero ---------------------------------------------------------------- */

.hero {
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--border);
  background: radial-gradient(
      1200px 480px at 50% -10%,
      var(--gold-tint),
      transparent 60%
    ),
    var(--charcoal);
}

.hero .wrap {
  max-width: 860px;
  text-align: center;
}

.hero .eyebrow {
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.08;
  margin-bottom: 22px;
}

.hero .lede {
  font-size: 19px;
  color: var(--paper-soft);
  max-width: 620px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- numbered steps ------------------------------------------------------ */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.step-card {
  background: var(--charcoal-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.step-num {
  font-family: var(--font-head);
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.step-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.step-card p {
  color: var(--paper-soft);
  font-size: 15.5px;
  margin: 0;
}

/* ---- stats strip ----------------------------------------------------------- */

.stats {
  background: var(--charcoal-card);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat {
  text-align: center;
  padding: 8px 12px;
}

.stat .label {
  display: block;
  font-family: var(--font-head);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--paper-soft);
  margin-bottom: 8px;
}

.stat .value {
  display: block;
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--paper);
}

/* ---- capability cards ------------------------------------------------------ */

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.card {
  background: var(--charcoal-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow-sm);
}

.card h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--gold);
}

.card p {
  color: var(--paper-soft);
  font-size: 15px;
  margin: 0;
}

/* ---- feature / project section ---------------------------------------------- */

.feature {
  background: linear-gradient(180deg, var(--charcoal-raise), var(--charcoal));
}

.feature-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}

.feature h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 40px);
}

.feature .lede {
  font-size: 18px;
  color: var(--paper-soft);
}

.feature-facts {
  list-style: none;
  margin-top: 28px;
  display: grid;
  gap: 14px;
}

.feature-facts li {
  padding-left: 22px;
  position: relative;
  color: var(--paper-soft);
  font-size: 15.5px;
}

.feature-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
}

/* ---- video facade (used only if/when footage exists) ------------------------ */

.video-facade {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--charcoal-card) center / cover no-repeat;
  border: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-facade .play {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
}

.video-facade .play svg {
  width: 26px;
  height: 26px;
  fill: var(--ink);
  margin-left: 3px;
}

/* ---- about ------------------------------------------------------------------ */

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.about-links {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.about-links a {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--paper);
  font-family: var(--font-head);
  letter-spacing: 0.02em;
}

.about-links a:hover,
.about-links a:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
  text-decoration: none;
}

/* ---- FAQ ---------------------------------------------------------------------- */

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--charcoal-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 24px;
  font-family: var(--font-head);
  font-size: 17px;
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  color: var(--gold);
  font-size: 22px;
  line-height: 1;
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: "\2212";
}

.faq-item .faq-answer {
  padding: 0 24px 22px;
  color: var(--paper-soft);
  font-size: 15.5px;
}

/* ---- contact ------------------------------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
}

.contact-info p {
  color: var(--paper-soft);
}

.contact-info address {
  font-style: normal;
  color: var(--paper-soft);
  margin-top: 20px;
  line-height: 1.7;
}

form.contact-form {
  display: grid;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

label {
  display: block;
  font-family: var(--font-head);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--paper-soft);
  margin-bottom: 8px;
}

input,
textarea {
  width: 100%;
  background: var(--charcoal-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 14px;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 15.5px;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--gold);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

/* honeypot: off-screen, not display:none, so bots that check computed
   visibility still get caught filling it in */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  font-size: 14.5px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  display: none;
}

.form-status.is-visible {
  display: block;
}

.form-status.is-success {
  background: rgba(90, 160, 90, 0.12);
  border: 1px solid rgba(90, 160, 90, 0.4);
  color: #b7e0b7;
}

.form-status.is-error {
  background: rgba(196, 84, 84, 0.12);
  border: 1px solid rgba(196, 84, 84, 0.4);
  color: #f0b7b7;
}

/* ---- footer ----------------------------------------------------------------------- */

.site-footer {
  padding: 56px 0 40px;
  background: var(--ink);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--paper);
}

.footer-brand img {
  height: 60px;
}

.footer-brand span {
  font-family: var(--font-serif);
  font-size: 19px;
}

.site-footer p {
  color: var(--paper-soft);
  font-size: 14.5px;
}

.footer-col h4 {
  font-family: var(--font-head);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--paper-soft);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: grid;
  gap: 10px;
}

.footer-col a {
  color: var(--paper);
  font-size: 15px;
}

.footer-col a:hover,
.footer-col a:focus-visible {
  color: var(--gold);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13.5px;
  color: var(--paper-soft);
}

.footer-bottom a {
  color: var(--paper-soft);
}

.footer-bottom a:hover,
.footer-bottom a:focus-visible {
  color: var(--gold);
}

/* ---- simple prose pages (legal notice, privacy) ------------------------------------ */

.prose-header {
  padding: 64px 0 8px;
}

.prose-header .eyebrow {
  margin-bottom: 14px;
}

.prose-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 42px);
}

.prose {
  max-width: 720px;
}

.prose h2 {
  font-size: 21px;
  margin-top: 2em;
}

.prose p,
.prose li {
  color: var(--paper-soft);
  font-size: 16px;
}

.prose ul {
  margin: 0 0 1em;
  padding-left: 22px;
  list-style: disc;
}

.prose a {
  color: var(--gold);
}

.back-link {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* ---- responsive ------------------------------------------------------------------- */

@media (max-width: 1000px) {
  .steps,
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .feature-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 850px) {
  .main-nav ul {
    position: fixed;
    inset: 76px 0 auto 0;
    background: var(--charcoal);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 20px 24px 28px;
    gap: 4px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease, transform 0.15s ease;
  }

  .main-nav ul a {
    display: block;
    padding: 12px 4px;
    border-bottom: 1px solid var(--border);
  }

  .main-nav.is-open ul {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 700px) {
  section {
    padding: 56px 0;
  }

  .steps,
  .cards,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .hero {
    padding: 72px 0 56px;
  }
}