/* ============================================================
   CryptoHawks FRC 8726 — style.css
   Brand Kit: Urbana Blue #04003b | White #ffffff
   Fonts: Norwester (titles), Exo (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Exo:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

/* ── Norwester via CDN ───────────────────────────────────── */
@font-face {
  font-family: 'Norwester';
  src: url('https://cdn.jsdelivr.net/gh/jonathantneal/faux-web-fonts@master/fonts/norwester.woff2') format('woff2'),
       url('https://fonts.cdnfonts.com/s/14611/norwester.woff') format('woff');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* ── CSS Variables (Brand Kit) ───────────────────────────── */
:root {
  --urbana-blue:   #04003b;
  --blue-alt:      #0b3562;
  --white:         #ffffff;
  --urbana-gray:   #9e9d9d;
  --light-gray:    #c0c0c0;
  --dark-gray:     #666666;
  --black:         #000000;

  --font-title:    'Norwester', 'Arial Black', sans-serif;
  --font-body:     'Exo', 'Arial', sans-serif;

  --nav-height:    72px;
  --max-width:     1200px;
  --transition:    0.25s ease;
  --radius:        4px;
  --shadow:        0 4px 24px rgba(4, 0, 59, 0.18);
  --shadow-sm:     0 2px 8px rgba(4, 0, 59, 0.12);
}

/* ── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--blue-alt);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--urbana-blue);
}

/* ── Typography ──────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  line-height: 1.15;
  letter-spacing: 0.03em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.2rem; }

p {
  font-family: var(--font-body);
  font-weight: 400;
  max-width: 70ch;
}

/* ── Layout Utilities ────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 5rem 0;
}

.section--dark {
  background: var(--urbana-blue);
  color: var(--white);
}

.section--dark p,
.section--dark h2,
.section--dark h3 {
  color: var(--white);
}

.section--gray {
  background: #f4f4f8;
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--urbana-gray);
  margin-bottom: 0.5rem;
}

.section--dark .section-label {
  color: var(--light-gray);
}

/* ── Header / Nav ────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--urbana-blue);
  box-shadow: 0 2px 16px rgba(0,0,0,0.35);
  height: var(--nav-height);
}

.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Logo lockup */
.header-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.header-brand__logo {
  height: 44px;
  width: auto;
  /* Placeholder shown if image missing */
  min-width: 44px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
}

.header-brand__text {
  display: flex;
  flex-direction: column;
}

.header-brand__name {
  font-family: var(--font-title);
  font-size: 1.2rem;
  color: var(--white);
  letter-spacing: 0.06em;
  line-height: 1;
}

.header-brand__number {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--light-gray);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.site-nav__link {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--light-gray);
  padding: 0.4rem 0.65rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
  position: relative;
}

.site-nav__link:hover {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

/* Active page highlight */
.site-nav__link.active {
  color: var(--white);
  background: rgba(255,255,255,0.14);
}

.site-nav__link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0.65rem;
  right: 0.65rem;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
}

/* Get Involved CTA button */
.site-nav__link--cta {
  background: var(--white);
  color: var(--urbana-blue) !important;
  padding: 0.4rem 0.9rem;
  margin-left: 0.5rem;
}

.site-nav__link--cta:hover {
  background: var(--light-gray);
  color: var(--urbana-blue) !important;
}

.site-nav__link--cta.active {
  background: var(--light-gray);
  color: var(--urbana-blue) !important;
}

.site-nav__link--cta.active::after {
  display: none;
}

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Page Hero ───────────────────────────────────────────── */
.page-hero {
  background: var(--urbana-blue);
  color: var(--white);
  padding: 4rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 80% 50%, rgba(11,53,98,0.5) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(4,0,59,0.8) 0%, transparent 50%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero__label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--light-gray);
  margin-bottom: 0.75rem;
}

.page-hero__title {
  font-family: var(--font-title);
  color: var(--white);
  margin-bottom: 0.75rem;
}

.page-hero__sub {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--light-gray);
  max-width: 80ch;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--urbana-blue);
  color: var(--white);
  border-color: var(--urbana-blue);
}

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

.btn--outline {
  background: transparent;
  color: var(--urbana-blue);
  border-color: var(--urbana-blue);
}

.btn--outline:hover {
  background: var(--urbana-blue);
  color: var(--white);
}

.btn--white {
  background: var(--white);
  color: var(--urbana-blue);
  border-color: var(--white);
}

.btn--white:hover {
  background: var(--light-gray);
  border-color: var(--light-gray);
  color: var(--urbana-blue);
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid #e8e8ee;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.card__body {
  padding: 1.5rem;
}

.card__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--urbana-gray);
  margin-bottom: 0.4rem;
}

.card__title {
  font-family: var(--font-title);
  font-size: 1.2rem;
  color: var(--urbana-blue);
  margin-bottom: 0.5rem;
}

/* ── Divider ─────────────────────────────────────────────── */
.divider {
  width: 48px;
  height: 3px;
  background: var(--urbana-blue);
  border: none;
  margin: 1rem 0 1.5rem;
}

.divider--white {
  background: var(--white);
}

.divider--center {
  margin-left: auto;
  margin-right: auto;
}

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  background: var(--urbana-blue);
  color: var(--light-gray);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
}

.site-footer .container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand__name {
  font-family: var(--font-title);
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.footer-brand__tag {
  font-size: 0.8rem;
  color: var(--urbana-gray);
  margin-bottom: 1rem;
}

.footer-brand__motto {
  font-style: italic;
  font-size: 0.9rem;
  color: var(--light-gray);
}

.footer-col__title {
  font-family: var(--font-title);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-col a {
  display: block;
  color: var(--light-gray);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  text-decoration: none;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--dark-gray);
  max-width: none;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .site-nav {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--urbana-blue);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.5rem 1.5rem;
    gap: 0.25rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  }

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

  .site-nav__link {
    width: 100%;
    font-size: 0.95rem;
    padding: 0.6rem 0.75rem;
  }

  .site-nav__link.active::after {
    display: none;
  }

  .site-nav__link--cta {
    margin-left: 0;
    margin-top: 0.5rem;
    text-align: center;
  }

  .nav-toggle {
    display: flex;
  }

  .site-header {
    position: sticky;
    overflow: visible;
  }

  .site-header .container {
    position: relative;
  }

  .site-footer .container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 600px) {
  .section {
    padding: 3rem 0;
  }

  .page-hero {
    padding: 2.5rem 0 2rem;
  }

  .container {
    padding: 0 1.25rem;
  }
}