/* === MR ZOCCHI CLASS SITE — NIS-INSPIRED PALETTE === */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300..700;1,9..40,300..700&family=Fraunces:ital,opsz,wght@0,9..144,300..700;1,9..144,300..700&display=swap');

:root {
  /* NIS-inspired palette */
  --navy: #1B2A4A;
  --navy-light: #243660;
  --red: #C8372D;
  --red-soft: #E8564D;
  --teal: #2A9D8F;
  --teal-light: #40B4A6;
  --gold: #E9C46A;
  --cream: #FAF8F5;
  --white: #FFFFFF;
  --gray-100: #F3F1EE;
  --gray-200: #E5E2DC;
  --gray-400: #9B9690;
  --gray-600: #6B6660;
  --gray-800: #3D3A36;

  /* Typography */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;

  /* Radius */
  --radius: 16px;
  --radius-lg: 24px;
}

/* === RESET & BASE === */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* === HEADER === */

.site-header {
  background: var(--navy);
  color: var(--white);
  padding: var(--space-sm) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(27, 42, 74, 0.15);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: inherit;
}

.header-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 8px;
}

.site-header h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.site-header h1 span {
  color: var(--gold);
}

.header-subtitle {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  font-weight: 400;
}

/* === HERO === */

.hero {
  background: var(--navy);
  color: var(--white);
  text-align: center;
  padding: var(--space-2xl) var(--space-lg) var(--space-xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(42, 157, 143, 0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(200, 55, 45, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-sm);
  position: relative;
  z-index: 1;
}

.hero-logo {
  width: 160px;
  height: 160px;
  object-fit: contain;
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 4px 24px rgba(0,0,0,0.2));
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.7);
  max-width: 520px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero .wave {
  display: block;
  margin-top: var(--space-lg);
  font-size: 2rem;
  animation: wave-hand 2.5s ease-in-out infinite;
  transform-origin: 70% 70%;
  position: relative;
  z-index: 1;
}

@keyframes wave-hand {
  0%, 100% { transform: rotate(0deg); }
  10% { transform: rotate(14deg); }
  20% { transform: rotate(-8deg); }
  30% { transform: rotate(14deg); }
  40% { transform: rotate(-4deg); }
  50% { transform: rotate(10deg); }
  60%, 100% { transform: rotate(0deg); }
}

/* === GRADE CARDS GRID === */

.grade-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  max-width: 1080px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

.grade-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 1px 3px rgba(27, 42, 74, 0.06),
    0 8px 32px rgba(27, 42, 74, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.grade-card:hover {
  transform: translateY(-6px);
  box-shadow:
    0 4px 12px rgba(27, 42, 74, 0.1),
    0 16px 48px rgba(27, 42, 74, 0.14);
}

.grade-card-header {
  padding: var(--space-lg) var(--space-md) var(--space-md);
  text-align: center;
  position: relative;
}

.grade-card-header .grade-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-xs);
}

.grade-card-header .grade-label {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Grade colour themes */
.grade-card.grade-6 .grade-card-header { color: var(--teal); }
.grade-card.grade-7 .grade-card-header { color: var(--red); }
.grade-card.grade-8 .grade-card-header { color: var(--navy); }

.grade-card.grade-6 .grade-card-header::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  background: var(--teal);
  border-radius: 2px;
  margin: var(--space-sm) auto 0;
}
.grade-card.grade-7 .grade-card-header::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  background: var(--red);
  border-radius: 2px;
  margin: var(--space-sm) auto 0;
}
.grade-card.grade-8 .grade-card-header::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  background: var(--navy);
  border-radius: 2px;
  margin: var(--space-sm) auto 0;
}

/* Subject links */
.subject-links {
  padding: 0 var(--space-md) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex-grow: 1;
}

.subject-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: 12px;
  text-decoration: none;
  color: var(--gray-800);
  font-weight: 500;
  font-size: 1rem;
  transition: all 0.2s ease;
  border: 1.5px solid var(--gray-200);
}

.subject-link:hover {
  border-color: transparent;
  color: var(--white);
}

.subject-link .icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}

/* Subject-specific hover colours */
.grade-6 .subject-link:hover { background: var(--teal); }
.grade-7 .subject-link:hover { background: var(--red-soft); }
.grade-8 .subject-link:hover { background: var(--navy-light); }

/* === FOOTER === */

.site-footer {
  margin-top: auto;
  background: var(--navy);
  color: rgba(255,255,255,0.5);
  text-align: center;
  padding: var(--space-lg);
  font-size: 0.85rem;
}

.site-footer a {
  color: var(--gold);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* === INNER PAGES === */

.page-content {
  max-width: 760px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

.page-content h1 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.page-content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--navy);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.page-content p {
  margin-bottom: var(--space-md);
  color: var(--gray-600);
  line-height: 1.7;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-bottom: var(--space-md);
}

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

.breadcrumb a:hover {
  text-decoration: underline;
}

/* === RESPONSIVE === */

@media (max-width: 768px) {
  .grade-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    padding: var(--space-xl) var(--space-md);
  }

  .hero {
    padding: var(--space-xl) var(--space-md) var(--space-lg);
  }

  .site-header {
    flex-direction: column;
    gap: var(--space-xs);
    text-align: center;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grade-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    padding: var(--space-xl) var(--space-md);
  }
}

/* === FADE-IN ANIMATION === */

.fade-up {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.6s ease forwards;
}

.fade-up:nth-child(1) { animation-delay: 0.1s; }
.fade-up:nth-child(2) { animation-delay: 0.25s; }
.fade-up:nth-child(3) { animation-delay: 0.4s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}