.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}
.glass-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
    background-color: rgba(17, 24, 39, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.nav-glass {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0) 100%);
    background-color: rgba(5, 6, 8, 0.22);
}
.neural-line {
    background: linear-gradient(90deg, transparent 0%, rgba(0, 240, 255, 0.4) 50%, transparent 100%);
    height: 1px;
    width: 100%;
}
.technical-grid {
    background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.06) 1px, transparent 0);
    background-size: 24px 24px;
}
.border-technical {
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 2px;
    background-color: #00F0FF;
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}
html {
    scroll-behavior: smooth;
}
body {
    background-color: #050608;
    color: #e2e2e8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Responsive typography */
.hero-headline {
    font-family: 'Sora', sans-serif;
    font-size: clamp(2rem, 6vw, 4rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
}
.section-headline {
    font-family: 'Sora', sans-serif;
    font-size: clamp(1.5rem, 1.35rem + 1.8vw, 3.25rem);
    line-height: 1.2;
    letter-spacing: -0.01em;
}
.card-headline {
    font-family: 'Sora', sans-serif;
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    line-height: 1.3;
}

/* Mobile menu */
.mobile-menu {
    transition: max-height 0.3s ease;
}
.mobile-menu.open {
    max-height: 400px;
}

/* Hamburger open state */
.mobile-menu-btn-open .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.mobile-menu-btn-open .hamburger-line:nth-child(2) {
    opacity: 0;
}
.mobile-menu-btn-open .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Prevent layout shift on very small screens */
@media (max-width: 380px) {
    .hero-headline {
        font-size: 1.75rem;
    }
}

/* Scroll-in section animation */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}