/* Body & Layout */
body {
    margin: 0 auto;
}
#bg-3d-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

h2 {
    font-size: clamp(1.5rem, 2vw, 2rem);
    margin-bottom: 1rem;
    color: var(--text-main);
}
h3 {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    margin-bottom: 0.75rem;
    color: var(--text-main);
}

.hero-section .hero-content h2 {
    font-size: clamp(1.8rem, 2.5vw, 2.1rem);
    margin-bottom: 1rem;
    color: var(--text-main);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--accent-cyan);
    text-shadow: 0 0 10px var(--glass-border);
}

.btn-primary {
    background: var(--glass-border);
    color: var(--accent-cyan);
    border: 1px solid var(--accent-cyan);
    box-shadow: 0 0 15px var(--glass-border);
}

.btn-primary:hover {
    background: rgba(0, 229, 255, 0.2);
    box-shadow: 0 0 20px var(--accent-cyan);
    transform: translateY(-2px);
    color: var(--text-main);
}

.btn-secondary, .btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--accent-purple);
}

.btn-secondary:hover, .btn-outline:hover {
    background: var(--bg-surface);
    border-color: var(--accent-purple);
    color: var(--accent-purple);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}


.app-main {
    margin: 0 auto;
    width: 100%;
    top: 150px;
    padding-top: 2rem auto 0px auto;
}


.container {
    display: relative;
}

.main-footer {
    margin: 0 auto;
    width: 100%;
    margin-top: 4rem;
    padding: 2rem 0;
    margin: 0px;

}

.hero-section {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
}

.hero-content {
    flex: 1;
}

.hero-content h2 {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--text-main), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    color: var(--text-muted);
    font-size: clamp(0.85rem, 2vw, 0.95rem);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    text-align: justify;
}

.hero-stats {
    display: flex;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    justify-content: space-between;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
}

.stat i, .stat svg {
    color: var(--accent-purple);
    font-size: 1.5rem;
}
.icon-small {
  inline-size: var(--icon-size, 1.5rem);
  block-size: var(--icon-size, 1.5rem);
}
.icon-large {
    padding: 0px;
    margin: 0px;
}

.stat-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-cyan);
}

.stat-label {
    color: var(--text-dim);
    font-size: 0.85rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: 0 0 30px rgba(0, 229, 255, 0.1);
    border: 1px solid var(--glass-border);
}

.features {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--text-main);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
}
@media (max-width: 1200px) {
    .app-main {
        top: 120px;
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 767px) {
    .app-main {
        top: 50px;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .hero-actions {
        margin-bottom: 2rem;
    }
}

.feature-card {
    background: var(--bg-panel);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
    box-shadow: 0 10px 20px rgba(0, 229, 255, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: rgba(157, 78, 221, 0.06);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-purple);
    font-size: 1.5rem;
    border: 1px solid rgba(157, 78, 221, 0.3);
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--text-main);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}


.how-it-works {
    padding: 4rem 0;
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
}
@media (max-width: 1024px) {
    .steps {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 600px) {
    .steps {
        grid-template-columns: 1fr;
    }
}

.step {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    position: relative;
    text-align: center;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--bg-deep);
    border: 2px solid var(--accent-cyan);
    color: var(--accent-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: 0 0 10px rgba(0, 229, 255, 0.2);
}

.step-content {
    margin-top: 1rem;
}

.step-content h3 {
    margin-bottom: 1rem;
    color: var(--text-main);
}

.step-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

@media (max-width: 767px) {
    .hero-section {
        flex-direction: column;
        text-align: center;
        padding: 2rem 0;
        gap: 1rem;
    }
    .hero-stats {
        padding: 2rem 0;
        width: 100%;
        justify-content: space-between;

    }
    .hero-actions {
        justify-content: center;
    }
}