/* =====================
   CUSTOM PROPERTIES
   ===================== */
:root {
  --navy:        #1E3A5F;
  --navy-dark:   #0F2137;
  --teal:        #0B7A8A;
  --teal-hover:  #096D7C;
  --teal-light:  #E5F4F6;
  --charcoal:    #1C2B3A;
  --body-text:   #374151;
  --muted:       #6B7280;
  --bg:          #F7F8FA;
  --bg-white:    #FFFFFF;
  --border:      #D1D9E0;
  --border-light:#E8EDF2;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;

  --container: 700px;
  --radius:    6px;
  --radius-lg: 12px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--body-text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

/* =====================
   CONTAINER
   ===================== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* =====================
   TYPOGRAPHY
   ===================== */
h1 {
  font-size: clamp(1.75rem, 4vw, 2.625rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: inherit;
}

h2 {
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--charcoal);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--charcoal);
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: 1.125rem;
  color: var(--body-text);
}
p:last-child { margin-bottom: 0; }

/* =====================
   BUTTONS
   ===================== */
.btn {
  display: inline-block;
  padding: 0.6875rem 1.375rem;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}
.btn-primary:hover {
  background: var(--teal-hover);
  border-color: var(--teal-hover);
}

.btn-secondary {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}
.btn-secondary:hover {
  background: #18304f;
  border-color: #18304f;
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover {
  background: var(--navy);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  border-color: rgba(255, 255, 255, 0.35);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

/* =====================
   NAV
   ===================== */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem var(--space-md);
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
}
.nav-logo:hover { text-decoration: none; }

.nav-logo-mark {
  height: 30px;
  width: 30px;
  flex-shrink: 0;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.nav-logo-name {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1;
  letter-spacing: 0.3em;
}

.nav-logo-sub {
  font-size: 0.6rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* =====================
   SECTIONS
   ===================== */
section {
  padding: var(--space-2xl) 0;
}

/* =====================
   HERO
   ===================== */
#hero {
  background: var(--navy-dark);
  color: #fff;
  min-height: 82vh;
  display: flex;
  align-items: center;
  padding: var(--space-2xl) 0;
}

#hero .container {
  text-align: center;
}

#hero h1 {
  color: #fff;
  margin: 0 auto var(--space-md);
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: rgba(255, 255, 255, 0.62);
  margin-bottom: 0.625rem;
  line-height: 1.65;
}

/* Emphasis on key words in hero h1 */
#hero h1 .hero-em {
  font-style: normal;
  text-decoration: underline;
  text-decoration-color: var(--teal);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

/* "FOSH is building it." — more prominent than sub */
.hero-tagline {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-lg);
  line-height: 1.4;
}

.hero-ctas {
  display: flex;
  gap: 0.875rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* =====================
   THE PROBLEM
   ===================== */
#problem {
  background: var(--bg-white);
}

#problem blockquote {
  margin: var(--space-md) 0;
  padding: var(--space-md) var(--space-md) var(--space-md) calc(var(--space-md) + 3px);
  border-left: 3px solid var(--teal);
  background: var(--teal-light);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--charcoal);
  line-height: 1.65;
}

#problem blockquote p {
  margin-bottom: 0;
  color: var(--charcoal);
}

/* =====================
   THE STANDARD
   ===================== */
#standard {
  background: var(--bg);
}

.emphasis-line {
  font-size: 1rem;
  font-weight: 500;
  color: var(--charcoal);
  letter-spacing: -0.005em;
  padding: var(--space-md) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-top: var(--space-md);
}

/* =====================
   GOVERNANCE
   ===================== */
#governance {
  background: var(--bg-white);
}

.three-up {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.pillar {
  text-align: center;
  padding: var(--space-md) var(--space-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.pillar-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--teal);
  margin-bottom: 0.25rem;
}

.pillar p {
  font-size: 0.9375rem;
  color: var(--charcoal);
  margin-bottom: 0;
}

.footnote {
  font-size: 0.875rem;
  color: var(--muted);
  font-style: italic;
}

/* =====================
   PATHS
   ===================== */
#paths {
  background: var(--navy-dark);
  padding: var(--space-2xl) 0;
}

#paths h2 {
  color: #fff;
  text-align: center;
}

.two-paths {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.path-card {
  padding: var(--space-lg) var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--bg-white);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  min-width: 0; /* prevent grid blowout from button text */
}

.path-card p {
  flex: 1;
  margin-bottom: 0;
  font-size: 0.9375rem;
}

/* Full-width buttons in path cards — equal card widths, consistent look */
.path-card .btn {
  width: 100%;
  text-align: center;
  white-space: normal;
}

/* =====================
   FOUNDING FIRMS
   ===================== */
#founding-firms {
  background: var(--bg);
}

.section-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal);
  margin-bottom: var(--space-sm);
}

.benefits-list {
  margin: var(--space-md) 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.benefit {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--charcoal);
  font-size: 0.9375rem;
  line-height: 1.55;
}

.benefit::before {
  content: '';
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--teal);
  margin-top: 0.55em;
  flex-shrink: 0;
}

.pledge-callout {
  margin: var(--space-md) 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--navy-dark);
  color: #fff;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.pledge-amount {
  font-size: 1rem;
  color: #fff;
}

.pledge-amount strong {
  color: #fff;
  font-weight: 600;
}

.pledge-note {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
}

/* =====================
   FOUNDING BOARD
   ===================== */
#founding-board {
  background: var(--bg-white);
}

/* =====================
   FORMS
   ===================== */
.form-container {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

#founding-board .form-container {
  background: var(--bg);
}

.form-container h3 {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-light);
}

.form-group {
  margin-bottom: var(--space-md);
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 0.375rem;
}

.optional {
  font-weight: 400;
  color: #9CA3AF;
}

input[type="text"],
input[type="email"],
textarea,
select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-family: var(--font);
  font-size: 0.9375rem;
  color: var(--charcoal);
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  appearance: none;
  -webkit-appearance: none;
}

#founding-board input[type="text"],
#founding-board input[type="email"],
#founding-board textarea,
#founding-board select {
  background: var(--bg-white);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(11, 122, 138, 0.1);
}

textarea {
  resize: vertical;
  min-height: 96px;
  line-height: 1.6;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* =====================
   FOOTER
   ===================== */
footer {
  background: var(--navy-dark);
  padding: var(--space-xl) 0;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--space-md);
}

.footer-logo-mark {
  height: 32px;
  width: 32px;
  flex-shrink: 0;
  filter: brightness(0) invert(1);
  opacity: 0.75;
}

.footer-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.footer-logo-name {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}

.footer-logo-sub {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.45);
}

footer p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0.5rem;
}

footer a {
  color: rgba(255, 255, 255, 0.7);
}
footer a:hover { color: #fff; text-decoration: underline; }

.footer-legal {
  margin-top: var(--space-md) !important;
  font-size: 0.8125rem !important;
  color: rgba(255, 255, 255, 0.35) !important;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-md);
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.4);
}

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 640px) {
  nav {
    padding: 0.875rem var(--space-sm);
  }

  .nav-logo-sub {
    display: none;
  }

  #hero {
    min-height: 75vh;
    padding: var(--space-xl) 0;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-ctas .btn {
    text-align: center;
  }

  .three-up {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }

  .two-paths {
    grid-template-columns: 1fr;
  }

  .pledge-callout {
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-md);
  }

  .form-container {
    padding: var(--space-md);
  }

  section {
    padding: var(--space-xl) 0;
  }
}