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

.video-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: -1;
}

.content {
  position: relative;
  z-index: 1;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  color: white;
}/* Lavender Theme & Branding */
:root {
    --lavender-dark: #3a225d;
    --lavender-neon: #b57aff;
    --lavender-glow: #d1aaff;
    --lavender-gradient: linear-gradient(135deg, #3a225d 0%, #b57aff 100%);
    --glass-bg: rgba(58,34,93,0.7);
    --text-light: #fff;
    --text-dark: #1a1a1a;
}

body {
    margin: 0;
    font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
    background: var(--lavender-gradient);
    color: var(--text-light);
    min-height: 100vh;
    overflow-x: hidden;
}

/* HERO SECTION */
#hero {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
#hero-video {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    z-index: 1;
}
.video-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(58,34,93,0.85) 0%, rgba(181,122,255,0.25) 100%);
    z-index: 2;
}
.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 600px;
    margin: auto;
}
.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-shadow: 0 0 24px var(--lavender-glow);
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(40px);
    animation: slideIn 1s forwards;
}
.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(40px);
    animation: slideIn 1.2s forwards;
}
.cta-btn {
    background: var(--lavender-neon);
    color: var(--text-dark);
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
    border-radius: 40px;
    box-shadow: 0 0 16px var(--lavender-glow);
    cursor: pointer;
    transition: box-shadow 0.3s, transform 0.3s;
    position: relative;
    overflow: hidden;
}
.cta-btn::after {
    content: "";
    position: absolute;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background: var(--lavender-gradient);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
}
.cta-btn:hover {
    box-shadow: 0 0 32px var(--lavender-neon), 0 0 64px var(--lavender-glow);
    transform: translateY(-4px) scale(1.05);
}
.cta-btn:hover::after {
    opacity: 0.2;
}

/* SECTION STYLES */
section {
    padding: 60px 20px;
    max-width: 1200px;
    margin: auto;
    position: relative;
}

/* PROBLEM STATEMENT */
#problem .problem-content {
    background: var(--glass-bg);
    border-radius: 24px;
    box-shadow: 0 0 24px var(--lavender-glow);
    padding: 2rem;
    margin: 2rem 0;
    opacity: 0;
    transform: translateX(-60px);
    transition: all 0.8s cubic-bezier(.77,0,.18,1);
}
#problem.visible .problem-content {
    opacity: 1;
    transform: translateX(0);
}

/* AI-POWERED SOLUTION */
#solution {
    text-align: center;
}
.solution-cards {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    padding: 2rem 0;
    scroll-snap-type: x mandatory;
}
.card {
    min-width: 220px;
    background: var(--glass-bg);
    border-radius: 18px;
    box-shadow: 0 0 16px var(--lavender-neon);
    color: var(--text-light);
    padding: 1.5rem;
    font-size: 1.1rem;
    margin: 0.5rem;
    scroll-snap-align: start;
    transition: transform 0.4s, box-shadow 0.4s;
    opacity: 0;
    transform: translateX(60px);
}
.card.visible {
    opacity: 1;
    transform: translateX(0);
}
.card:hover {
    box-shadow: 0 0 32px var(--lavender-glow), 0 0 64px var(--lavender-neon);
    transform: scale(1.07) translateY(-8px);
}

/* HOW IT WORKS */
#how-it-works .steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}
.step {
    background: var(--glass-bg);
    border-radius: 16px;
    box-shadow: 0 0 12px var(--lavender-glow);
    padding: 1.2rem;
    font-size: 1.1rem;
    opacity: 0;
    transform: translateY(60px);
    transition: all 0.8s cubic-bezier(.77,0,.18,1);
}
.step.visible {
    opacity: 1;
    transform: translateY(0);
}

/* STUDENT DASHBOARD */
#dashboard {
    text-align: center;
}
.dashboard-ui {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 2rem;
}
.time-block {
    background: var(--glass-bg);
    border-radius: 14px;
    box-shadow: 0 0 10px var(--lavender-neon);
    padding: 1rem 1.5rem;
    min-width: 120px;
    font-size: 1rem;
    margin-bottom: 1rem;
    transition: box-shadow 0.3s, transform 0.3s;
}
.time-block:hover {
    box-shadow: 0 0 24px var(--lavender-glow);
    transform: scale(1.05);
}
.recommendation-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-left: 2rem;
}
.recommendation-card {
    background: var(--glass-bg);
    border-radius: 12px;
    box-shadow: 0 0 10px var(--lavender-neon);
    padding: 1rem;
    font-size: 1rem;
    transition: box-shadow 0.3s, transform 0.3s;
    opacity: 0;
    transform: translateX(60px);
}
.recommendation-card.visible {
    opacity: 1;
    transform: translateX(0);
}
.recommendation-card:hover {
    box-shadow: 0 0 24px var(--lavender-glow);
    transform: scale(1.05);
}

/* GOOGLE & AI INTEGRATION */
#integration {
    text-align: center;
}
.integration-cards {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 2rem;
}
.integration-card {
    background: var(--glass-bg);
    border-radius: 14px;
    box-shadow: 0 0 14px var(--lavender-neon);
    padding: 1.2rem 2rem;
    font-size: 1.1rem;
    transition: box-shadow 0.3s, transform 0.3s;
    opacity: 0;
    transform: translateY(60px);
}
.integration-card.visible {
    opacity: 1;
    transform: translateY(0);
}
.integration-card:hover {
    box-shadow: 0 0 32px var(--lavender-glow);
    transform: scale(1.07) translateY(-8px);
}

/* FOOTER */
footer {
    background: var(--lavender-dark);
    color: var(--text-light);
    text-align: center;
    padding: 2rem 0 1rem 0;
    box-shadow: 0 -2px 24px var(--lavender-glow);
    opacity: 0;
    transform: translateY(60px);
    transition: all 0.8s cubic-bezier(.77,0,.18,1);
}
footer.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ANIMATIONS */
@keyframes slideIn {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

/* RESPONSIVE DESIGN */
@media (max-width: 900px) {
    .solution-cards, .integration-cards {
        flex-direction: column;
        gap: 1.2rem;
        align-items: center;
    }
    .dashboard-ui {
        flex-direction: column;
        gap: 1rem;
    }
    .recommendation-panel {
        margin-left: 0;
    }
}
@media (max-width: 600px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    section {
        padding: 40px 8px;
    }
    .card, .integration-card {
        min-width: 160px;
        padding: 1rem;
        font-size: 1rem;
    }
}