@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;700;800&family=Inter:wght@300;400;500;600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap');

:root {
  --primary: #001e40;
  --primary-container: #003366;
  --secondary: #266296;
  --secondary-container: #91c5ff;
  --secondary-fixed: #d0e4ff;
  --surface: #f8f9fa;
  --surface-container-low: #f3f4f5;
  --surface-container: #edeeef;
  --surface-container-lowest: #ffffff;
  --on-surface: #191c1d;
  --on-surface-variant: #43474f;
  --outline-variant: #c3c6d1;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--surface);
  color: var(--on-surface);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(195,198,209,0.3);
  padding: 0 4rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.04em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-logo span.logo-dot {
  width: 8px; height: 8px;
  background: var(--secondary);
  border-radius: 50%;
  display: inline-block;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.header-nav a {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  color: #64748b;
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: color 0.2s;
  position: relative;
  padding-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.nav-icon { font-size: 1rem !important; }

.header-nav a:hover,
.header-nav a.active {
  color: var(--primary);
}

.header-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0; right: 0;
  height: 2px;
  background: var(--secondary);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--surface-container);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  font-family: 'Manrope', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  background: transparent;
  color: #64748b;
}

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

.btn-signin {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  background: var(--primary);
  color: white;
  border: none;
  padding: 8px 22px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  letter-spacing: 0.01em;
}

.btn-signin:hover {
  background: var(--secondary);
  transform: scale(0.97);
}

/* Mobile menu */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--primary);
}

/* ===== MAIN CONTENT ===== */
main { flex: 1; padding-top: 68px; }

/* ===== PAGE HERO (sub-pages) ===== */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  padding: 5rem 4rem 4rem;
  color: white;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 500px; height: 500px;
  background: rgba(166,200,255,0.08);
  border-radius: 50%;
}

.page-hero-tag {
  font-family: 'Manrope', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--secondary-container);
  margin-bottom: 1rem;
}

.page-hero h1 {
  font-family: 'Manrope', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.page-hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  max-width: 520px;
  line-height: 1.7;
}

/* ===== CARDS ===== */
.card {
  background: var(--surface-container-lowest);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 8px 32px rgba(0,30,64,0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0,30,64,0.1);
}

.icon-badge {
  width: 52px; height: 52px;
  background: var(--secondary-fixed);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  margin-bottom: 1.25rem;
}

.icon-badge .material-symbols-outlined {
  font-size: 1.5rem;
}

/* ===== BUTTONS ===== */
.btn-primary {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  background: var(--primary);
  color: white;
  border: none;
  padding: 12px 28px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--secondary);
  transform: scale(0.97);
}

.btn-secondary {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  background: var(--surface-container);
  color: var(--primary);
  border: none;
  padding: 12px 28px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.btn-secondary:hover { background: var(--outline-variant); }

/* ===== SECTION ===== */
.section { padding: 4rem; }
.section-title {
  font-family: 'Manrope', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}
.section-divider {
  width: 48px; height: 3px;
  background: var(--secondary-container);
  border-radius: 2px;
  margin-bottom: 2.5rem;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--primary);
  color: white;
  padding: 3.5rem 4rem 2rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
}

.footer-brand .logo {
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.04em;
  color: white;
  margin-bottom: 0.75rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  max-width: 260px;
  line-height: 1.6;
}

.footer-links-group h4 {
  font-family: 'Manrope', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 1rem;
}

.footer-links-group a {
  display: block;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  margin-bottom: 0.6rem;
  transition: color 0.2s;
}

.footer-links-group a:hover { color: white; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
  font-size: 0.9rem;
}

.footer-social a:hover {
  background: rgba(255,255,255,0.18);
  color: white;
}

/* ===== MODAL ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,30,64,0.5);
  backdrop-filter: blur(4px);
  z-index: 200;
  align-items: center;
  justify-content: center;
}

.modal-overlay.open { display: flex; }

.modal {
  background: white;
  border-radius: 20px;
  padding: 2.5rem;
  width: 90%;
  max-width: 420px;
  box-shadow: 0 24px 80px rgba(0,30,64,0.2);
  position: relative;
}

.modal h2 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.modal p { font-size: 0.9rem; color: var(--on-surface-variant); margin-bottom: 1.5rem; }

.modal input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--outline-variant);
  border-radius: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.modal input:focus { border-color: var(--secondary); }

.modal-close {
  position: absolute;
  top: 1rem; right: 1rem;
  background: var(--surface-container);
  border: none;
  border-radius: 50%;
  width: 32px; height: 32px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--on-surface-variant);
}

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--primary);
  color: white;
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 0.875rem;
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  z-index: 300;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ===== GLOBAL MINISCREEN ===== */
.global-miniscreen-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 999;
}

.miniscreen-panel {
  width: 280px;
  background: var(--surface-container-lowest);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 12px 48px rgba(0,30,64,0.25);
}

.miniscreen-header {
  padding: 0.75rem 1rem;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.miniscreen-title {
  font-family: 'Manrope', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
}

.miniscreen-actions {
  display: flex;
  gap: 0.5rem;
}

.miniscreen-btn {
  background: rgba(255,255,255,0.15);
  border: none;
  border-radius: 6px;
  padding: 0.3rem;
  cursor: pointer;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.miniscreen-btn:hover {
  background: rgba(255,255,255,0.3);
}

.miniscreen-body {
  position: relative;
  aspect-ratio: 4/3;
  background: #0f172a;
}

.miniscreen-focus-indicator {
  position: absolute;
  top: 0.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  padding: 4px 12px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'Manrope', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  color: white;
  z-index: 10;
}

.focus-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.focus-dot.focused {
  background: #22c55e;
}

.focus-dot.distracted {
  background: #ef4444;
}

.focus-dot.sleepy {
  background: #f59e0b;
}

.miniscreen-stats {
  position: absolute;
  bottom: 0.5rem;
  left: 0.5rem;
  right: 0.5rem;
  display: flex;
  gap: 0.5rem;
  z-index: 10;
}

.mini-stat {
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  border-radius: 8px;
  padding: 0.3rem 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  color: white;
  font-family: 'Manrope', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  flex: 1;
  justify-content: center;
}

/* ===== MATERIAL SYMBOLS ===== */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .site-header { padding: 0 1.5rem; }
  .header-nav { display: none; }
  .hamburger { display: flex; }
  .header-nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: white;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--outline-variant);
  }
  .section { padding: 2rem 1.5rem; }
  .page-hero { padding: 3rem 1.5rem 2.5rem; }
  .page-hero h1 { font-size: 2rem; }
  .site-footer { padding: 2.5rem 1.5rem 1.5rem; }
  .footer-top { flex-direction: column; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}