/* ============================
   DESIGN TOKENS
   Change these values and the whole site updates.
   ============================ */
:root {
  --navy: #0a1f3d;
  --navy-light: #13345f;
  --cream: #f7f5ef;
  --teal: #1d9e75;
  --teal-dark: #0f6e56;
  --amber: #ba7517;
  --text-dark: #1f2a37;
  --text-muted: #5a6472;
  --white: #ffffff;
  --border: #e2ddd0;

  --font-display: 'Merriweather', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  --radius: 10px;
  --max-width: 1080px;
}

/* ============================
   RESET / BASE
   ============================ */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 18px;              /* larger base size, senior-friendly */
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--cream);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
}

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

a:hover {
  text-decoration: underline;
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* ============================
   BUTTONS
   ============================ */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 17px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease;
}

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

.btn-primary {
  background: var(--teal);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--teal-dark);
}

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

.btn-secondary:hover {
  background: var(--navy);
  color: var(--white);
}

/* ============================
   HEADER / NAV
   ============================ */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--navy);
}

.logo:hover {
  text-decoration: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  color: var(--text-dark);
  font-weight: 500;
  font-size: 16px;
}

.nav-cta {
  background: var(--navy);
  color: var(--white) !important;
  padding: 10px 18px;
  border-radius: var(--radius);
}

.nav-cta:hover {
  background: var(--navy-light);
  text-decoration: none;
}

/* Hamburger, hidden on desktop */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--navy);
}

/* ============================
   HERO
   ============================ */
.hero {
  background: var(--navy);
  color: var(--white);
  padding: 96px 0 88px;
  text-align: center;
}

.hero-inner {
  max-width: 720px;
}

.eyebrow {
  color: #9fe1cb;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 14px;
  margin-bottom: 16px;
}

.hero h1 {
  color: var(--white);
  font-size: 42px;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 19px;
  color: #cfd8e4;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

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

.hero .btn-secondary:hover {
  background: var(--white);
  color: var(--navy);
}

.hero-trust {
  font-size: 15px;
  color: #9fb0c4;
}

/* ============================
   SECTIONS (shared)
   ============================ */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--white);
}

.section-eyebrow {
  color: var(--teal-dark);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 14px;
  margin-bottom: 12px;
}

.section h2 {
  font-size: 30px;
  margin-bottom: 40px;
  max-width: 640px;
}

/* ============================
   CARDS
   ============================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

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

.section-alt .card {
  background: var(--cream);
}

.card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.card p {
  color: var(--text-muted);
  font-size: 16px;
}

.card-featured {
  border: 2px solid var(--teal);
}

.card-tag {
  display: inline-block;
  background: #e1f5ee;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

/* ============================
   TALKS LIST
   ============================ */
.talk-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.talk-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
}

.talk-info h3 {
  font-size: 19px;
  margin-bottom: 6px;
}

.talk-info p {
  color: var(--text-muted);
  font-size: 16px;
}

.talk-badge {
  flex-shrink: 0;
  background: #e1f5ee;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  white-space: nowrap;
}

.talk-badge-soon {
  background: #faeeda;
  color: var(--amber);
}

/* ============================
   FRAUD WATCH
   ============================ */
.fraud-watch-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.fraud-watch-inner p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.cheat-sheet-box {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.cheat-sheet-box h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.cheat-sheet-box p {
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 20px;
}

.cheat-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cheat-form input {
  flex: 1;
  min-width: 200px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 16px;
  font-family: var(--font-body);
}

/* ============================
   ABOUT
   ============================ */
.about-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-inner p {
  color: var(--text-muted);
  margin-bottom: 18px;
}

.pledge-card {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  padding: 32px;
}

.pledge-card h3 {
  color: var(--white);
  font-size: 20px;
  margin-bottom: 16px;
}

.pledge-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pledge-card li {
  padding-left: 24px;
  position: relative;
  color: #cfd8e4;
  font-size: 16px;
}

.pledge-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}

/* ============================
   CONTACT
   ============================ */
.contact-inner {
  max-width: 620px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row label {
  font-weight: 600;
  font-size: 15px;
}

.form-row input,
.form-row textarea {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 16px;
  font-family: var(--font-body);
  resize: vertical;
}

.contact-direct {
  margin-top: 24px;
  color: var(--text-muted);
}

/* ============================
   FOOTER
   ============================ */
.site-footer {
  background: var(--navy);
  color: #9fb0c4;
  padding: 28px 0;
  text-align: center;
  font-size: 14px;
}

/* ============================
   RESPONSIVE — TABLET & MOBILE
   ============================ */
@media (max-width: 860px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .fraud-watch-inner,
  .about-inner {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 32px;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    border-bottom: 1px solid var(--border);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    width: 100%;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
  }

  .nav-cta {
    margin: 16px 24px;
    text-align: center;
    width: calc(100% - 48px);
  }

  .talk-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding: 64px 0 56px;
  }

  .hero h1 {
    font-size: 28px;
  }

  .section {
    padding: 56px 0;
  }
}