/* ==========================================================================
   BallotSync — v2 marketing site
   Pure static CSS. Light brand theme with explicit backgrounds throughout
   so forced/auto dark modes cannot invert sections unpredictably.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --gold: #FFC03A;
  --gold-hover: #ECB339;
  --sky: #53BEF6;
  --sky-hover: #47A3D3;
  --charcoal: #393F42;
  --charcoal-deep: #2E3336;   /* footer / nav-on-scroll */
  --ink: #24282B;             /* headings on light */
  --body: #777777;            /* brand body gray */
  --body-strong: #5C6368;     /* body gray where longer copy needs more contrast */
  --on-dark: #C9CFD3;         /* body text on charcoal */
  --surface: #FFFFFF;
  --surface-alt: #F6F8F9;
  --line: #E4E8EA;

  --font: "Roboto", -apple-system, "Segoe UI", Arial, sans-serif;

  /* Fluid type scale */
  --text-sm: clamp(0.875rem, 0.85rem + 0.1vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.375rem);
  --text-xl: clamp(1.375rem, 1.2rem + 0.9vw, 1.875rem);
  --text-2xl: clamp(1.75rem, 1.45rem + 1.5vw, 2.5rem);
  --text-hero: clamp(2.125rem, 1.5rem + 3.2vw, 3.75rem);

  --space-section: clamp(4rem, 3rem + 5vw, 7.5rem);
  --container: 1200px;
  --radius: 12px;
  --shadow-lg: 0 24px 60px -20px rgba(20, 24, 27, 0.45);
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--body-strong);
  background-color: var(--surface);
}

h1, h2, h3, h4, p, ul, figure { margin: 0; }
ul { padding: 0; list-style: none; }
img { display: block; max-width: 100%; height: auto; }

a { color: var(--sky); }
a:hover { color: var(--sky-hover); }

:focus-visible {
  outline: 3px solid var(--sky);
  outline-offset: 3px;
  border-radius: 2px;
}

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px; left: 1rem;
  z-index: 200;
  padding: 0.75rem 1.25rem;
  background: var(--charcoal);
  color: #FFFFFF;
  font-weight: 500;
  text-decoration: none;
  border-radius: 0 0 8px 8px;
  transition: top 150ms ease;
}
.skip-link:focus { top: 0; color: #FFFFFF; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.8em 1.9em;
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  text-align: center;
  border: 2px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease,
              color 150ms ease, transform 150ms ease;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--charcoal);
}
.btn-primary:hover {
  background: var(--gold-hover);
  border-color: var(--gold-hover);
  color: var(--charcoal);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.75);
  color: #FFFFFF;
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: #FFFFFF;
  color: #FFFFFF;
}

.btn-sm { padding: 0.55em 1.5em; }
.btn-lg { font-size: var(--text-base); }
.btn-block { display: block; width: 100%; }

.btn[disabled] {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background-color: transparent;
  transition: background-color 200ms ease, box-shadow 200ms ease;
}
.site-header.is-scrolled {
  background-color: rgba(46, 51, 54, 0.88);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: var(--header-h);
}

.nav-brand img { width: 150px; height: 40px; object-fit: contain; }

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

.nav-links {
  display: flex;
  gap: 2rem;
}
.nav-links a {
  color: #FFFFFF;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 150ms ease, color 150ms ease;
}
.nav-links a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  padding: 10px;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.nav-toggle-bar {
  display: block;
  width: 24px; height: 2px;
  background: #FFFFFF;
  border-radius: 1px;
  transition: transform 200ms ease, opacity 200ms ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(4) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 767px) {
  .nav-toggle { display: flex; }

  .nav-menu {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 1.25rem;
    padding: 1.5rem clamp(1.25rem, 4vw, 2.5rem) 2rem;
    background-color: rgba(46, 51, 54, 0.97);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
    display: none;
  }
  .nav-menu.is-open { display: flex; }

  .nav-links {
    flex-direction: column;
    gap: 0.25rem;
  }
  .nav-links a {
    display: block;
    padding: 0.75rem 0;
    font-size: var(--text-base);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
}

/* ---------- Section scaffolding ---------- */
.section-header {
  max-width: 46rem;
  margin-inline: auto;
  text-align: center;
  margin-bottom: clamp(2.5rem, 2rem + 3vw, 4.5rem);
}

.section-heading {
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.section-sub {
  margin-top: 1rem;
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--body);
}

.section-dark { background-color: var(--charcoal); }
.section-dark .section-heading { color: #FFFFFF; }
.section-dark .section-sub { color: var(--on-dark); }
.section-light { background-color: var(--surface); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  min-height: clamp(560px, 92vh, 860px);
  padding: calc(var(--header-h) + 3rem) 0 5rem;
  background-color: var(--charcoal); /* paint before image loads */
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-media img {
    animation: hero-drift 18s ease-out both;
  }
}

@keyframes hero-drift {
  from { transform: scale(1.06); }
  to   { transform: scale(1); }
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(22, 26, 29, 0.62) 0%,
      rgba(26, 31, 34, 0.45) 45%,
      rgba(40, 45, 48, 0.72) 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  text-align: center;
  color: #FFFFFF;
}

.hero-logo {
  width: clamp(200px, 18vw + 120px, 268px);
  height: auto;
  aspect-ratio: 268 / 70;
  margin: 0 auto 2rem;
}

.hero-title {
  margin-inline: auto;
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.015em;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
}

/* ---------- Browser-chrome frame for screenshots ---------- */
.browser-frame {
  max-width: 820px;
  margin-inline: auto;
  background: #FFFFFF;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.browser-frame-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 14px;
  background: #E9ECEE;
  border-bottom: 1px solid #DCE0E3;
}

.browser-dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: #C6CCD0;
}
.browser-dot:nth-child(1) { background: var(--gold); }
.browser-dot:nth-child(2) { background: var(--sky); }

.browser-frame img { width: 100%; }

/* ---------- Features (dark) ---------- */
.features { padding-block: var(--space-section); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 1rem + 2vw, 3rem);
  max-width: 1080px;
  margin: clamp(2.5rem, 2rem + 3vw, 4.5rem) auto 0;
}

@media (max-width: 560px) {
  .feature-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (min-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.feature-item {
  padding-top: 1.25rem;
  border-top: 3px solid var(--gold);
}

.feature-item h3 {
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}

.feature-item p {
  margin-top: 0.6rem;
  font-size: var(--text-base);
  color: var(--on-dark);
}

/* ---------- Capabilities (light) ---------- */
.capabilities { padding-block: var(--space-section); }

.capabilities-layout {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  align-items: center;
  column-gap: clamp(2.5rem, 2rem + 3vw, 5rem);
  row-gap: clamp(2.5rem, 2rem + 3vw, 4rem);
}

.capabilities-copy .section-heading { text-align: left; }

.capabilities-intro p {
  margin-top: 1.15rem;
  color: var(--body);
}

.capabilities-media img { margin-inline: auto; }

.capability-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: clamp(1.25rem, 1rem + 1.5vw, 2rem);
}

.capability-card {
  padding: 1.75rem 1.6rem;
  background-color: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.capability-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px -18px rgba(20, 24, 27, 0.35);
}

.capability-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  border-radius: 12px;
  background: rgba(83, 190, 246, 0.14);
  color: var(--sky-hover);
}

.capability-card h3 {
  margin-top: 1.1rem;
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}

.capability-card p {
  margin-top: 0.5rem;
  color: var(--body);
}

@media (max-width: 899px) {
  .capabilities-layout { grid-template-columns: 1fr; }
  .capabilities-copy .section-heading { text-align: center; }
  .capabilities-intro { text-align: center; max-width: 40rem; margin-inline: auto; }
}

/* ---------- Contact ---------- */
.contact {
  position: relative;
  padding-block: var(--space-section);
  background-color: var(--charcoal); /* paint before image loads */
  background-image:
    linear-gradient(180deg,
      rgba(40, 45, 48, 0.88) 0%,
      rgba(46, 51, 54, 0.82) 100%),
    url("../images/bg-contact-section.jpg");
  background-size: cover;
  background-position: center;
}

.contact .section-heading { color: #FFFFFF; }
.contact .section-sub { color: var(--on-dark); }

.contact-form {
  max-width: 560px;
  margin-inline: auto;
  padding: clamp(1.5rem, 1rem + 2.5vw, 2.75rem);
  background-color: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.form-row + .form-row { margin-top: 1rem; }

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.85rem 1.1rem;
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--ink);
  background-color: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: 8px;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: #9AA2A7; opacity: 1; }

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--sky);
  box-shadow: 0 0 0 3px rgba(83, 190, 246, 0.25);
}

.contact-form textarea { resize: vertical; min-height: 8rem; }

.contact-form .btn-block { margin-top: 1.25rem; }

/* Honeypot: moved off-canvas, never display:none alone */
.hp-field {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px; height: 1px;
  overflow: hidden;
}

#turnstile-slot:not(:empty) { margin-top: 1.25rem; }

.form-status {
  min-height: 1.5em;
  margin-top: 1rem;
  font-size: var(--text-sm);
  font-weight: 500;
  text-align: center;
  color: var(--body-strong);
}
.form-status.is-error { color: #C6483C; }
.form-status.is-success { color: #2E7D4F; }

/* ---------- Footer ---------- */
.site-footer {
  padding-block: 2.5rem;
  background-color: var(--charcoal-deep);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-logo { width: 134px; height: 35px; object-fit: contain; }

.footer-copy {
  font-size: var(--text-sm);
  color: #9BA3A8;
}

@media (max-width: 599px) {
  .footer-inner { flex-direction: column; text-align: center; }
}

/* ---------- Scroll reveal ----------
   Hidden state is applied only when JS has tagged <html class="js">,
   so content is always visible without JavaScript. */
html.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}
html.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* No-JS and reduced-motion: content always visible, no movement */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .capability-card:hover { transform: none; }
}