/* ============================================================
   base.css — Candidate Platform
   Native CSS: flexbox + grid. No framework dependencies.
   Theme files (theme-m-b.css etc.) override CSS variables only.
   ============================================================ */

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul[role="list"] { list-style: none; }

/* ── CSS Variables (defaults — overridden per theme) ────── */
:root {
  /* Colors */
  --color-primary:       #1a3a6b;
  --color-primary-dark:  #122a50;
  --color-accent:        #e8b923;
  --color-accent-dark:   #c9a01e;
  --color-text:          #1a1a1a;
  --color-text-light:    #555;
  --color-bg:            #ffffff;
  --color-bg-alt:        #f4f6f8;
  --color-border:        #dde1e7;
  --color-white:         #ffffff;

  /* Typography */
  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body:    system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-size-base: 1rem;
  --line-height:    1.6;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  2rem;
  --space-xl:  3rem;
  --space-2xl: 5rem;

  /* Layout */
  --max-width:        1200px;
  --max-width-narrow: 800px;
  --nav-height:       70px;
  --border-radius:    6px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
}

/* ── Base ────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }

p { margin-bottom: var(--space-md); }
p:last-child { margin-bottom: 0; }

/* ── Container ───────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: var(--border-radius);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background 0.2s, color 0.2s, transform 0.1s;
  text-align: center;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

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

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

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

.btn-text-link {
  color: var(--color-primary);
  font-weight: 600;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 1px;
  transition: color 0.2s;
}
.btn-text-link:hover { color: var(--color-primary-dark); }

/* ── Navigation ─────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-primary);
  box-shadow: var(--shadow-md);
  height: var(--nav-height);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
  gap: var(--space-md);
}

.nav-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo { height: 50px; width: auto; }

.nav-name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-white);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
}

.nav-link {
  display: block;
  padding: 0.5rem 0.9rem;
  color: rgba(255,255,255,0.85);
  font-weight: 500;
  border-radius: var(--border-radius);
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
  background: rgba(255,255,255,0.15);
}

.nav-donate {
  display: block;
  padding: 0.5rem 1.2rem;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-weight: 700;
  border-radius: var(--border-radius);
  transition: background 0.2s;
  white-space: nowrap;
  margin-left: var(--space-sm);
}
.nav-donate:hover { background: var(--color-accent-dark); }

/* Hamburger toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform 0.2s;
}

/* ── Hero Banner ─────────────────────────────────────────── */
.hero-banner {
  background-color: var(--color-primary-dark);
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  position: relative;
}

.hero-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(0,0,0,0.55) 0%,
    rgba(0,0,0,0.3)  60%,
    rgba(0,0,0,0.55) 100%
  );
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
  max-width: var(--max-width);
  margin-inline: auto;
  padding: var(--space-xl) var(--space-lg);
}

.hero-branding { display: flex; flex-direction: column; gap: var(--space-md); }
.hero-logo { max-height: 180px; width: auto; }
.hero-name {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--color-white);
  text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: rgba(255,255,255,0.9);
  font-style: italic;
}

/* Signup form panel */
.hero-signup {
  background: rgba(255,255,255,0.97);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
}
.hero-signup h2 {
  font-size: 1.3rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

/* ── CTA Bar ─────────────────────────────────────────────── */
.cta-bar {
  background: var(--color-accent);
  padding: var(--space-lg);
}
.cta-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
  flex-wrap: wrap;
}
.cta-slogan {
  color: var(--color-primary-dark);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── About Section ───────────────────────────────────────── */
.about-section {
  padding: var(--space-2xl) 0;
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}
.about-photo {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: auto;
  object-fit: cover;
}
.about-content { display: flex; flex-direction: column; gap: var(--space-md); }
.about-body { color: var(--color-text-light); font-size: 1.05rem; }

/* ── Issues Section ──────────────────────────────────────── */
.issues-section {
  background: var(--color-bg-alt);
  padding: var(--space-2xl) 0;
}
.issues-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}
.issues-map {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  width: 100%;
}
.issues-content { display: flex; flex-direction: column; gap: var(--space-md); }

.issues-list { display: flex; flex-direction: column; gap: var(--space-sm); }
.issue-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding: var(--space-md);
  background: var(--color-bg);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
}
.issue-number {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  padding-top: 2px;
}
.issue-text { color: var(--color-text); font-size: 1rem; }

/* ── Page Content (About, Platform, etc.) ────────────────── */
.page-section {
  padding: var(--space-2xl) 0;
}
.page-inner {
  max-width: var(--max-width-narrow);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}
.page-content h2 { margin-top: var(--space-xl); margin-bottom: var(--space-md); }
.page-content h3 { margin-top: var(--space-lg); margin-bottom: var(--space-sm); }
.page-content ul, .page-content ol {
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
}
.page-content li { margin-bottom: var(--space-xs); }

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.8);
  padding: var(--space-lg) 0;
  margin-top: auto;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}
.footer-legal { font-size: 0.85rem; }
.footer-social {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}
.footer-social a {
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
  display: flex;
  align-items: center;
}
.footer-social a:hover { color: var(--color-white); }
.footer-links {
  display: flex;
  gap: var(--space-lg);
  font-size: 0.9rem;
}
.footer-links a {
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--color-white); }

/* ── 404 ─────────────────────────────────────────────────── */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
}
.error-page h1 { font-size: clamp(3rem, 10vw, 6rem); opacity: 0.2; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  :root { --space-lg: 1rem; }

  /* Nav */
  .nav-toggle { display: flex; }
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-primary-dark);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-md) 0;
    box-shadow: var(--shadow-md);
  }
  .nav-menu.open { display: flex; }
  .nav-link { padding: 0.75rem 1.5rem; border-radius: 0; }
  .nav-donate { margin: var(--space-sm) var(--space-lg); text-align: center; }

  /* Hero */
  .hero-inner {
    grid-template-columns: 1fr;
    padding: var(--space-lg);
  }

  /* About */
  .about-inner {
    grid-template-columns: 1fr;
  }
  .about-inner .about-photo {
    max-width: 320px;
    margin-inline: auto;
  }

  /* Issues */
  .issues-inner {
    grid-template-columns: 1fr;
  }

  /* CTA */
  .cta-bar-inner {
    flex-direction: column;
    text-align: center;
  }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-social { justify-content: center; }
  .footer-links { justify-content: center; }
}