/* ═══════════════════════════════════════════
   EDUNIFY — LANDING PAGE CSS
   Advanced: mesh gradients · glassmorphism ·
   scroll-reveal · 3D · micro-interactions
═══════════════════════════════════════════ */

/* ── CANVAS BACKGROUND ── */
#heroCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: .45;
}

/* ── FLOATING BLOBS ── */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: blobFloat 8s ease-in-out infinite;
  will-change: transform;
}
.blob-1 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(24,90,219,.22) 0%, transparent 70%);
  top: -120px; left: -100px;
  animation-delay: 0s;
}
.blob-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(14,165,233,.18) 0%, transparent 70%);
  top: 40%; right: -80px;
  animation-delay: -3s;
}
.blob-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(99,102,241,.15) 0%, transparent 70%);
  bottom: -60px; left: 30%;
  animation-delay: -5s;
}
@keyframes blobFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  33%      { transform: translate(30px,-20px) scale(1.04); }
  66%      { transform: translate(-20px,15px) scale(.97); }
}

/* ── SECTION BASE ── */
section { position: relative; z-index: 1; overflow: hidden; }

/* ─────────────────────────────
   HERO
───────────────────────────── */
.lp-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  min-height: 88vh;
  padding: 7rem 0 5rem;
}
.lp-hero__inner { max-width: 580px; }

/* Badge */
.lp-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: .4rem 1rem;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.lp-badge__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(24,90,219,.2);
  animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%,100% { box-shadow: 0 0 0 3px rgba(24,90,219,.2); }
  50%      { box-shadow: 0 0 0 6px rgba(24,90,219,.08); }
}

/* Title */
.lp-hero__title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.03em;
  color: var(--text-main);
  margin-bottom: 1.5rem;
}
.lp-hero__title-accent {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 60%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Sub */
.lp-hero__sub {
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 520px;
}

/* CTA */
.lp-hero__cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

/* Buttons */
.lp-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 2rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .2s cubic-bezier(.34,1.56,.64,1),
              box-shadow .2s ease,
              background .2s ease,
              border-color .2s ease;
  position: relative;
  overflow: hidden;
}
.lp-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.12);
  opacity: 0;
  transition: opacity .2s;
}
.lp-btn:hover::before { opacity: 1; }
.lp-btn:hover { transform: translateY(-3px); text-decoration: none; }
.lp-btn:active { transform: translateY(-1px); }

.lp-btn--primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #fff !important;
  box-shadow: 0 6px 24px rgba(24,90,219,.3);
}
.lp-btn--primary:hover {
  box-shadow: 0 12px 32px rgba(24,90,219,.4);
}
.lp-btn--ghost {
  background: var(--bg-card);
  color: var(--text-main) !important;
  border-color: var(--border-color);
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.lp-btn--ghost:hover {
  border-color: var(--color-primary);
  box-shadow: 0 6px 20px rgba(24,90,219,.12);
}
.lp-btn--white {
  background: #fff;
  color: var(--color-primary) !important;
  box-shadow: 0 4px 16px rgba(0,0,0,.12);
}
.lp-btn--white:hover { box-shadow: 0 8px 28px rgba(0,0,0,.18); }
.lp-btn--outline-white {
  border-color: rgba(255,255,255,.5);
  color: #fff !important;
  background: rgba(255,255,255,.08);
}
.lp-btn--outline-white:hover { border-color: #fff; background: rgba(255,255,255,.15); }

/* Social proof */
.lp-proof {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.lp-proof__avatars {
  display: flex;
}
.lp-proof__avatars img {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 2px solid var(--bg-main);
  margin-left: -8px;
  object-fit: cover;
}
.lp-proof__avatars img:first-child { margin-left: 0; }
.lp-proof__text {
  font-size: .82rem;
  color: var(--text-muted);
  margin: 0;
}
.lp-proof__text strong { color: var(--text-main); }

/* ─────────────────────────────
   BROWSER MOCKUP
───────────────────────────── */
.lp-hero__mockup {
  position: relative;
}
.lp-mockup {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  box-shadow:
    0 40px 80px rgba(0,0,0,.12),
    0 0 0 1px rgba(255,255,255,.05) inset;
  transform: perspective(1200px) rotateY(-8deg) rotateX(3deg);
  transition: transform .6s cubic-bezier(.23,1,.32,1);
}
.lp-mockup:hover {
  transform: perspective(1200px) rotateY(-2deg) rotateX(1deg);
}
.lp-mockup__bar {
  display: flex;
  align-items: center;
  gap: .4rem;
  background: var(--bg-darker);
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--border-color);
}
.lp-mockup__bar span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #e5e7eb;
}
.lp-mockup__bar span:nth-child(1) { background: #f87171; }
.lp-mockup__bar span:nth-child(2) { background: #fbbf24; }
.lp-mockup__bar span:nth-child(3) { background: #34d399; }
.lp-mockup__bar-url {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: .72rem;
  color: var(--text-muted);
  text-align: center;
  padding: .2rem .8rem;
  margin-left: .5rem;
}
.lp-mockup__body { padding: 1.25rem; }

/* AI Chat inside mockup */
.lp-chat { display: flex; flex-direction: column; gap: .75rem; }
.lp-chat__header {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border-color);
}
.lp-chat__avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex; align-items: center; justify-content: center;
  color: #fff;
}
.lp-chat__name { font-size: .85rem; font-weight: 600; color: var(--text-main); }
.lp-chat__status { display: flex; align-items: center; gap: .3rem; font-size: .72rem; color: #10b981; }
.lp-chat__dot {
  width: 6px; height: 6px; border-radius: 50%; background: #10b981;
  animation: pulseDot 1.5s ease-in-out infinite;
}
.lp-chat__messages { display: flex; flex-direction: column; gap: .6rem; }
.lp-chat__msg {
  padding: .65rem .9rem;
  border-radius: 14px;
  font-size: .82rem;
  line-height: 1.5;
  max-width: 90%;
  animation: fadeSlideIn .4s ease forwards;
}
.lp-chat__msg--bot {
  background: var(--bg-darker);
  color: var(--text-main);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
}
.lp-chat__msg--user {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  border-bottom-right-radius: 4px;
  align-self: flex-end;
}
.lp-chat__formula {
  display: inline-block;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: .2rem .6rem;
  font-size: .75rem;
  margin-top: .4rem;
  font-family: 'Courier New', monospace;
}
.lp-chat__input {
  display: flex;
  gap: .4rem;
  margin-top: .25rem;
}
.lp-chat__input input {
  flex: 1;
  background: var(--bg-darker);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: .5rem 1rem;
  font-size: .8rem;
  color: var(--text-main);
  outline: none;
}
.lp-chat__send {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--color-primary);
  border: none;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

/* Floating badges */
.lp-float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: .4rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: .45rem .85rem;
  font-size: .76rem;
  font-weight: 600;
  color: var(--text-main);
  box-shadow: 0 8px 24px rgba(0,0,0,.1);
  backdrop-filter: blur(10px);
  animation: floatUpDown 3s ease-in-out infinite;
  white-space: nowrap;
}
.lp-float--1 { top: -18px; left: -20px; animation-delay: 0s; }
.lp-float--2 { bottom: 60px; left: -30px; animation-delay: -1.2s; }
.lp-float--3 { top: 30px; right: -20px; animation-delay: -.6s; }
@keyframes floatUpDown {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

/* ─────────────────────────────
   STATS
───────────────────────────── */
.lp-stats {
  padding: 4rem 0;
  margin: 2rem 0;
}
.lp-stats__grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  box-shadow: 0 8px 40px rgba(0,0,0,.06);
}
.lp-stat {
  flex: 1;
  text-align: center;
  padding: .5rem 1.5rem;
}
.lp-stat__num {
  font-family: 'Outfit', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: .4rem;
}
.lp-stat__label {
  font-size: .8rem;
  color: var(--text-muted);
  font-weight: 500;
}
.lp-stat-divider {
  width: 1px;
  height: 50px;
  background: var(--border-color);
  flex-shrink: 0;
}

/* ─────────────────────────────
   FEATURES
───────────────────────────── */
.lp-features {
  padding: 6rem 0;
  text-align: center;
}
.lp-section-label {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
  padding: .3rem .9rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.lp-section-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--text-main);
  margin-bottom: .75rem;
}
.lp-section-sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 3.5rem;
  line-height: 1.6;
}

/* Feature grid */
.lp-feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 1.2rem;
}
.lp-feat-card--highlight {
  grid-column: 1 / span 2;
}

.lp-feat-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 2rem;
  text-align: left;
  transition: transform .3s cubic-bezier(.34,1.56,.64,1),
              border-color .3s ease,
              box-shadow .3s ease;
  cursor: default;
  overflow: hidden;
}
.lp-feat-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(24,90,219,.06) 0%, transparent 70%);
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
  border-radius: inherit;
}
.lp-feat-card:hover::after { opacity: 1; }
.lp-feat-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: 0 20px 40px rgba(0,0,0,.08);
}
.lp-feat-card__icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  margin-bottom: 1.2rem;
  box-shadow: 0 6px 16px rgba(24,90,219,.25);
}
.lp-feat-card h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: .5rem;
}
.lp-feat-card p {
  font-size: .88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}
.lp-feat-card__tag {
  position: absolute;
  top: 1rem; right: 1rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  padding: .2rem .6rem;
  border-radius: 999px;
}

/* ─────────────────────────────
   HOW IT WORKS
───────────────────────────── */
.lp-how {
  padding: 6rem 0;
  text-align: center;
}
.lp-how__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 50%,
    color-mix(in srgb, var(--color-primary) 5%, transparent) 0%,
    transparent 70%);
  pointer-events: none;
}
.lp-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 3.5rem;
  flex-wrap: wrap;
}
.lp-step {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 2rem 1.75rem;
  max-width: 240px;
  text-align: left;
  transition: transform .3s cubic-bezier(.34,1.56,.64,1), box-shadow .3s;
}
.lp-step:hover { transform: translateY(-6px); box-shadow: 0 16px 36px rgba(0,0,0,.08); }
.lp-step__num {
  font-family: 'Outfit', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 1rem;
}
.lp-step__title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: .5rem;
}
.lp-step__desc { font-size: .85rem; color: var(--text-muted); line-height: 1.6; margin: 0; }
.lp-step__arrow {
  color: var(--border-color);
  flex-shrink: 0;
}

/* ─────────────────────────────
   CTA BANNER
───────────────────────────── */
.lp-cta {
  position: relative;
  margin: 2rem 0 5rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, #4f46e5 50%, var(--color-accent) 100%);
  border-radius: 24px;
  padding: 5rem 2rem;
  text-align: center;
  overflow: hidden;
}
.lp-cta__glow {
  position: absolute;
  inset: -50%;
  background: radial-gradient(circle, rgba(255,255,255,.15) 0%, transparent 60%);
  animation: rotateGlow 8s linear infinite;
  pointer-events: none;
}
@keyframes rotateGlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.lp-cta__title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -.03em;
  margin-bottom: .75rem;
  position: relative; z-index: 1;
}
.lp-cta__sub {
  color: rgba(255,255,255,.8);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
  position: relative; z-index: 1;
}
.lp-cta__btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative; z-index: 1;
}

/* ─────────────────────────────
   SCROLL REVEAL
───────────────────────────── */
.reveal-up, .reveal-right {
  opacity: 0;
  transition: opacity .65s cubic-bezier(.22,1,.36,1), transform .65s cubic-bezier(.22,1,.36,1);
  transition-delay: var(--delay, 0s);
}
.reveal-up    { transform: translateY(36px); }
.reveal-right { transform: translateX(50px); }
.reveal-up.visible, .reveal-right.visible {
  opacity: 1;
  transform: translate(0);
}

/* ─────────────────────────────
   TYPING ANIMATION
───────────────────────────── */
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.lp-chat__msg--typing { animation-delay: .8s; opacity: 0; animation-fill-mode: forwards; }

/* ─────────────────────────────
   RESPONSIVE
───────────────────────────── */
@media (max-width: 1024px) {
  .lp-hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 5rem 0 3rem;
    gap: 3rem;
  }
  .lp-hero__inner { max-width: 100%; }
  .lp-hero__cta { justify-content: center; }
  .lp-proof { justify-content: center; }
  .lp-hero__mockup { display: none; }
  .lp-feat-grid { grid-template-columns: 1fr 1fr; }
  .lp-feat-card--highlight { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  .lp-hero { padding: 4rem 0 2rem; min-height: auto; }
  .lp-stats__grid { flex-direction: column; gap: 1.5rem; }
  .lp-stat-divider { width: 60px; height: 1px; }
  .lp-feat-grid { grid-template-columns: 1fr; }
  .lp-feat-card--highlight { grid-column: 1; }
  .lp-steps { flex-direction: column; align-items: center; }
  .lp-step__arrow { transform: rotate(90deg); }
  .lp-step { max-width: 100%; width: 100%; }
}