/* =========================================================
   landing.css — public landing page only.
   Loaded in addition to style.css, never on authenticated pages.
   ========================================================= */

/* ---------- Top nav ---------- */
.landing-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(17, 19, 21, 0.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.landing-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.landing-nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  font-weight: 700;
  font-size: 14.5px;
  text-decoration: none;
}
.landing-nav-logo img {
  width: 72px;
  height: 72px;
  border-radius: 50px;
  object-fit: cover;
}
.landing-nav-logo:hover { text-decoration: none; opacity: 0.9; }
.landing-nav-actions { display: flex; align-items: center; gap: 10px; }

.btn-nav-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: #ffffff;
}
.btn-nav-outline:hover {
  border-color: #ffffff;
  background: rgba(255,255,255,0.08);
  text-decoration: none;
  color: #ffffff;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-black) 0%, #1a2540 55%, var(--color-blue-dark) 100%);
  padding: 70px 24px 140px;
  color: var(--color-white);
}

/* Floating decorative blobs */
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.35;
  animation: float 9s ease-in-out infinite;
}
.hero-blob.b1 { width: 260px; height: 260px; background: var(--color-blue); top: -60px; left: -60px; animation-delay: 0s; }
.hero-blob.b2 { width: 180px; height: 180px; background: var(--color-light-blue); top: 40%; right: -50px; animation-delay: 2s; opacity: 0.18; }
.hero-blob.b3 { width: 120px; height: 120px; background: var(--color-blue); bottom: -40px; left: 30%; animation-delay: 4s; opacity: 0.25; }

@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0) scale(1); }
  50% { transform: translateY(-24px) translateX(14px) scale(1.06); }
}

.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--color-light-blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeInUp .6s ease forwards;
}
.hero-eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: #34d399; animation: pulse 1.8s infinite; }

.hero h1 {
  font-size: 40px;
  line-height: 1.15;
  margin: 0 0 18px;
  opacity: 0;
  animation: fadeInUp .7s ease .1s forwards;
}
.hero h1 .highlight {
  background: linear-gradient(90deg, var(--color-light-blue), #ffffff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lede {
  font-size: 15.5px;
  color: #cbd3dc;
  max-width: 480px;
  margin-bottom: 30px;
  opacity: 0;
  animation: fadeInUp .7s ease .2s forwards;
}
.hero-cta {
  display: flex; gap: 12px; flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp .7s ease .3s forwards;
}
.hero-cta .btn-primary {
  box-shadow: 0 8px 24px rgba(29, 79, 216, 0.589);
}

.btn-hero-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.35);
  color: #ffffff;
}
.btn-hero-outline:hover {
  border-color: #ffffff;
  color: #ffffff;
  text-decoration: none;
  background: rgba(255,255,255,0.08);
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-top: 20px;
  font-size: 13px;
  color: #cbd3dc;
  opacity: 0;
  animation: fadeInUp .7s ease .4s forwards;
}

.avatars { display: flex; align-items: center; }
.avatars img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  border: 2px solid #fff;
  margin-left: -10px;
  background: #fff;
  transition: transform 0.3s ease;
}
.avatars img:first-child { margin-left: 0; }
.avatars img:hover { transform: translateY(-5px); z-index: 10; }

/* ---------- Hero visual: SVG illustration + overlapping glass card ---------- */
.hero-visual { position: relative; }
.hero-illustration {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.35));
  opacity: 0;
  animation: fadeIn 1s ease .3s forwards;
}
.hero-illustration .pulse-ring {
  animation: pulse-ring 2.4s ease-out infinite;
  transform-origin: center;
}

/* Teacher Images Around Shield */
.teacher {
  position: absolute;
  width: 80px;
  height: 80px;
  object-fit: cover;
  object-position: top center;
  border-radius: 50%;
  border: 4px solid #fff;
  background: #fff;
  box-shadow: 0 12px 30px rgba(0,0,0,.25);
  animation: teacherFloat 5s ease-in-out infinite;
  z-index: 5;
}

.teacher-left { left: 25px; top: 180px; }
.teacher-right { right: 25px; top: 180px; animation-delay: .5s; }
.teacher-bottom {
  left: 50%;
  bottom: 5px;
  transform: translateX(-50%);
  animation-name: teacherFloatBottom;
  animation-delay: 1s;
}

@keyframes teacherFloat {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes teacherFloatBottom {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-10px); }
}

.teacher:hover {
  animation-play-state: paused;
  transform: scale(1.08);
  transition: transform .3s ease;
  z-index: 10;
}
.teacher-bottom:hover {
  transform: translateX(-50%) scale(1.08);
}

.hero-glass-card {
  position: absolute;
  bottom: -30px;
  left: -10px;
  width: 220px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-radius: 14px;
  padding: 16px 18px;
  box-shadow: var(--shadow-md);
  color: var(--color-black);
  opacity: 0;
  animation: fadeInUp .7s ease .6s forwards;
}
.hero-glass-card .glass-icon {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--color-light-blue-soft); color: var(--color-blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; margin-bottom: 8px;
}
.hero-glass-card .glass-title { font-weight: 700; font-size: 13px; }
.hero-glass-card .glass-sub { font-size: 11.5px; color: var(--color-gray-500); margin-top: 2px; }

/* ---------- Keyframes ---------- */
@keyframes fadeInUp { from { opacity:0; transform: translateY(16px);} to { opacity:1; transform: translateY(0);} }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
@keyframes pulse { 0%,100% { transform: scale(1); opacity:1;} 50% { transform: scale(1.3); opacity:.6;} }
@keyframes pulse-ring {
  0% { opacity: .5; transform: scale(0.9); }
  70% { opacity: 0; transform: scale(1.5); }
  100% { opacity: 0; transform: scale(1.5); }
}

/* ---------- Content sections ---------- */
.landing-section { max-width: 1100px; margin: 0 auto; padding: 70px 24px; }
.section-eyebrow {
  color: var(--color-blue); font-weight: 700; font-size: 12px;
  letter-spacing: .06em; text-transform: uppercase; margin-bottom: 8px;
}
.section-title { font-size: 26px; margin: 0 0 14px; color: var(--color-black); }
.section-lede { color: var(--color-gray-500); max-width: 600px; margin-bottom: 40px; font-size: 14.5px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------- Stats strip ---------- */
.stats-strip {
  background: var(--color-light-blue-soft);
  border-top: 1px solid var(--color-light-blue);
  border-bottom: 1px solid var(--color-light-blue);
}
.stats-grid {
  max-width: 1100px; margin: 0 auto; padding: 40px 24px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center;
}
.stat-block .stat-num { font-size: 32px; font-weight: 800; color: var(--color-blue-dark); }
.stat-block .stat-caption { font-size: 12.5px; color: var(--color-gray-500); margin-top: 4px; }

/* ---------- Feature cards ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: 14px;
  padding: 24px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-blue);
}
.feature-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--color-blue), var(--color-blue-dark));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 14px;
}
.feature-card h3 { font-size: 15px; margin: 0 0 8px; color: var(--color-black); }
.feature-card p { font-size: 13px; color: var(--color-gray-500); margin: 0; }

/* ---------- Steps ---------- */
.steps-wrap { position: relative; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.steps-grid::before {
  content: '';
  position: absolute; top: 26px; left: 12%; right: 12%; height: 2px;
  background: repeating-linear-gradient(90deg, var(--color-light-blue) 0 8px, transparent 8px 16px);
  z-index: 0;
}
.step-card { position: relative; z-index: 1; text-align: center; }
.step-num {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--color-white); border: 2px solid var(--color-blue);
  color: var(--color-blue); font-weight: 800; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
}
.step-card h4 { font-size: 13.5px; margin: 0 0 6px; color: var(--color-black); }
.step-card p { font-size: 12px; color: var(--color-gray-500); margin: 0; }

/* ---------- Trust / confidentiality banner ---------- */
.trust-banner {
  background: var(--color-black);
  color: var(--color-white);
  border-radius: 18px;
  padding: 46px;
  display: flex;
  align-items: center;
  gap: 32px;
  position: relative;
  overflow: hidden;
}
.trust-banner::after {
  content: '';
  position: absolute; width: 340px; height: 340px; border-radius: 50%;
  background: radial-gradient(circle, rgba(29,78,216,0.5), transparent 70%);
  top: -120px; right: -100px;
}
.trust-icon-wrap {
  width: 64px; height: 64px; flex-shrink: 0; border-radius: 16px;
  background: var(--color-blue); display: flex; align-items: center; justify-content: center;
  font-size: 28px; position: relative; z-index: 1;
}
.trust-banner-content { position: relative; z-index: 1; }
.trust-banner-content h3 { margin: 0 0 8px; font-size: 18px; }
.trust-banner-content p { margin: 0; color: #cbd3dc; font-size: 13.5px; max-width: 560px; }

/* ---------- Founder's message ---------- */
.founder-section { padding-top: 40px; padding-bottom: 40px; }

.founder-card {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  background: var(--color-white);
  border-radius: 18px;
  padding: 48px 40px;
  box-shadow: var(--shadow-md);
  border-top: 4px solid var(--color-blue);
}

.founder-card-icon {
  font-size: 42px;
  margin-bottom: 10px;
  line-height: 1;
}

.founder-message-lines { min-height: 190px; margin-top: 14px; }
.founder-line {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-black);
  margin: 0 0 14px;
  min-height: 1.7em;
  text-align: left;
}
.founder-line.typing::after {
  content: '';
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--color-blue);
  margin-left: 2px;
  vertical-align: -2px;
  animation: cursor-blink 0.85s steps(1) infinite;
}

@keyframes cursor-blink {
  0%, 50% { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

/* ---------- Final CTA ---------- */
.final-cta {
  text-align: center;
  background: linear-gradient(135deg, var(--color-light-blue-soft), var(--color-white));
  border-radius: 18px;
  padding: 56px 24px;
  border: 1px solid var(--color-light-blue);
}
.final-cta h2 { font-size: 24px; margin-bottom: 10px; color: var(--color-black); }
.final-cta p { color: var(--color-gray-500); margin-bottom: 26px; }

.landing-footer {
  text-align: center; padding: 30px; color: var(--color-gray-500); font-size: 12px;
  border-top: 1px solid var(--color-gray-300);
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .landing-nav-inner { padding: 12px 16px; }
  .landing-nav-logo span { display: none; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-lede { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-trust { justify-content: center; }
  .hero-visual { margin-top: 20px; }
  .hero-glass-card { position: static; width: auto; margin-top: 16px; }
  .teacher { width: 56px; height: 56px; }
  .teacher-left { left: 8px; top: 130px; }
  .teacher-right { right: 8px; top: 130px; }
  .teacher-bottom { bottom: -6px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .steps-grid::before { display: none; }
  .trust-banner { flex-direction: column; text-align: center; }
  .founder-card { padding: 32px 20px; }
}

@media (max-width: 420px) {
  .landing-nav-actions .btn { padding: 7px 11px; font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-blob, .hero-eyebrow .dot, .pulse-ring, .teacher { animation: none !important; }
  .reveal { transition: none; }
  .founder-line.typing::after { animation: none !important; }
}